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qiyongshuang
2023-02-01 14:19:13 +08:00
parent d534aad004
commit b79c6ac80d
3711 changed files with 745432 additions and 2 deletions
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EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/Internal_Flash.c
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/********************************** (C) COPYRIGHT *******************************
* File Name : Internal_Flash.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : Internal Flash program
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v20x.h"
#include "Internal_Flash.h"
#include "ch32v20x_flash.h"
void IFlash_Prog_512(uint32_t address,uint32_t *pbuf)
{
if (address < IFLASH_UDISK_START_ADDR || (address + 511) > IFLASH_UDISK_END_ADDR )
{
printf("Error Address %x\n",address);
return;
}
address &= 0x00FFFFFF;
address |= 0x08000000;
__disable_irq();
FLASH_Unlock_Fast();
FLASH_ErasePage_Fast(address);
FLASH_ProgramPage_Fast(address, pbuf);
FLASH_ErasePage_Fast(address + INTERNAL_FLASH_PAGE_SIZE);
FLASH_ProgramPage_Fast(address+ INTERNAL_FLASH_PAGE_SIZE, pbuf + INTERNAL_FLASH_PAGE_SIZE / 4);
FLASH_Lock_Fast();
__enable_irq();
}
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/Internal_Flash.h
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/********************************** (C) COPYRIGHT *******************************
* File Name : Internal_Flash.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : header file for Internal_Flash.c
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef USER_INTERNAL__FLASH_C_
#define USER_INTERNAL__FLASH_C_
#ifdef __cplusplus
extern "C" {
#endif
#define INTERNAL_FLASH_PAGE_SIZE 256
#define IFLASH_UDISK_START_ADDR 0x5000 // 20K
#if defined (CH32V20x_D6)
#define IFLASH_UDISK_END_ADDR 0x37FFF
#else
#define IFLASH_UDISK_END_ADDR 0x77FFF
#endif
#define IFLASH_UDISK_SIZE (IFLASH_UDISK_END_ADDR - IFLASH_UDISK_START_ADDR + 1 )
extern void IFlash_Prog_512(uint32_t address,uint32_t *pbuf);
#ifdef __cplusplus
}
#endif
#endif /* USER_INTERNAL__FLASH_C_ */
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/SPI_FLASH.c
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/********************************** (C) COPYRIGHT *******************************
* File Name : SPI_FLAH.c
* Author : WCH
* Version : V1.0.1
* Date : 2022/11/24
* Description : SPI FLASHChip operation file
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
/******************************************************************************/
/* Header Files */
#include <SPI_FLASH.h>
#include <SW_UDISK.h>
#include "ch32v20x_spi.h"
/******************************************************************************/
volatile uint8_t Flash_Type = 0x00; /* FLASH chip: 0: W25XXXseries */
volatile uint32_t Flash_ID = 0x00; /* FLASH ID */
volatile uint32_t Flash_Sector_Count = 0x00; /* FLASH sector number */
volatile uint16_t Flash_Sector_Size = 0x00; /* FLASH sector size */
/*******************************************************************************
* Function Name : FLASH_Port_Init
* Description : FLASH chip operation related pins and hardware initialization
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void FLASH_Port_Init( void )
{
GPIO_InitTypeDef GPIO_InitStructure = {0};
SPI_InitTypeDef SPI_InitStructure = {0};
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_SPI1 , ENABLE);
/* CS# */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_SetBits(GPIOA, GPIO_Pin_2);
/* SCK */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* MISO */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* MOSI */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_CRCPolynomial = 7;
SPI_Init(SPI1, &SPI_InitStructure);
// SPI1->HSCR |= 0x01; // Enable High Speed Read
SPI_Cmd(SPI1, ENABLE);
}
/*********************************************************************
* @fn SPI1_ReadWriteByte
*
* @brief SPI1 read or write one byte.
*
* @param TxData - write one byte data.
*
* @return Read one byte data.
*/
uint8_t SPI1_ReadWriteByte(uint8_t TxData)
{
uint8_t i = 0;
while(SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET)
{
i++;
if(i > 200)
return 0;
}
SPI_I2S_SendData(SPI1, TxData);
i = 0;
while(SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET)
{
i++;
if(i > 200)
return 0;
}
return SPI_I2S_ReceiveData(SPI1);
}
/*******************************************************************************
* Function Name : SPI_FLASH_SendByte
* Description : SPI send a byte
* Input : byte: byte to send
* Output : None
* Return : None
*******************************************************************************/
uint8_t SPI_FLASH_SendByte( uint8_t byte )
{
return SPI1_ReadWriteByte( byte );
}
/*******************************************************************************
* Function Name : SPI_FLASH_ReadByte
* Description : SPI receive a byte
* Input : None
* Output : None
* Return : byte received
*******************************************************************************/
uint8_t SPI_FLASH_ReadByte( void )
{
return SPI1_ReadWriteByte( 0xFF );
}
/*******************************************************************************
* Function Name : FLASH_ReadID
* Description : Read FLASH ID
* Input : None
* Output : None
* Return : chip id
*******************************************************************************/
uint32_t FLASH_ReadID( void )
{
uint32_t dat;
PIN_FLASH_CS_LOW( );
SPI_FLASH_SendByte( CMD_FLASH_JEDEC_ID );
dat = ( uint32_t )SPI_FLASH_SendByte( DEF_DUMMY_BYTE ) << 16;
dat |= ( uint32_t )SPI_FLASH_SendByte( DEF_DUMMY_BYTE ) << 8;
dat |= SPI_FLASH_SendByte( DEF_DUMMY_BYTE );
PIN_FLASH_CS_HIGH( );
return( dat );
}
/*******************************************************************************
* Function Name : FLASH_WriteEnable
* Description : FLASH Write Enable
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void FLASH_WriteEnable( void )
{
PIN_FLASH_CS_LOW( );
SPI_FLASH_SendByte( CMD_FLASH_WREN );
PIN_FLASH_CS_HIGH( );
}
/*******************************************************************************
* Function Name : FLASH_WriteDisable
* Description : FLASH Write Disable
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void FLASH_WriteDisable( void )
{
PIN_FLASH_CS_LOW( );
SPI_FLASH_SendByte( CMD_FLASH_WRDI );
PIN_FLASH_CS_HIGH( );
}
/*******************************************************************************
* Function Name : FLASH_ReadStatusReg
* Description : FLASH Read Status
* Input : None
* Output : None
* Return : status
*******************************************************************************/
uint8_t FLASH_ReadStatusReg( void )
{
uint8_t status;
PIN_FLASH_CS_LOW( );
SPI_FLASH_SendByte( CMD_FLASH_RDSR );
status = SPI_FLASH_ReadByte( );
PIN_FLASH_CS_HIGH( );
return( status );
}
/*******************************************************************************
* Function Name : FLASH_Erase_Sector
* Description : FLASH Erase Sector
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void FLASH_Erase_Sector( uint32_t address )
{
uint8_t temp;
FLASH_WriteEnable( );
PIN_FLASH_CS_LOW( );
SPI_FLASH_SendByte( CMD_FLASH_SECTOR_ERASE );
SPI_FLASH_SendByte( (uint8_t)( address >> 16 ) );
SPI_FLASH_SendByte( (uint8_t)( address >> 8 ) );
SPI_FLASH_SendByte( (uint8_t)address );
PIN_FLASH_CS_HIGH( );
do
{
temp = FLASH_ReadStatusReg( );
}while( temp & 0x01 );
}
/*******************************************************************************
* Function Name : FLASH_RD_Block_Start
* Description : FLASH start block read
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void FLASH_RD_Block_Start( uint32_t address )
{
PIN_FLASH_CS_LOW( );
SPI_FLASH_SendByte( CMD_FLASH_READ );
SPI_FLASH_SendByte( (uint8_t)( address >> 16 ) );
SPI_FLASH_SendByte( (uint8_t)( address >> 8 ) );
SPI_FLASH_SendByte( (uint8_t)address );
}
/*******************************************************************************
* Function Name : FLASH_RD_Block
* Description : FLASH read block
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void FLASH_RD_Block( uint8_t *pbuf, uint32_t len )
{
while( len-- )
{
*pbuf++ = SPI_FLASH_ReadByte( );
}
}
/*******************************************************************************
* Function Name : FLASH_RD_Block_End
* Description : FLASH end block read
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void FLASH_RD_Block_End( void )
{
PIN_FLASH_CS_HIGH( );
}
/*******************************************************************************
* Function Name : W25XXX_WR_Page
* Description : Flash page program
* Input : address
* len
* *pbuf
* Output : None
* Return : None
*******************************************************************************/
void W25XXX_WR_Page( uint8_t *pbuf, uint32_t address, uint32_t len )
{
uint8_t temp;
FLASH_WriteEnable( );
PIN_FLASH_CS_LOW( );
SPI_FLASH_SendByte( CMD_FLASH_BYTE_PROG );
SPI_FLASH_SendByte( (uint8_t)( address >> 16 ) );
SPI_FLASH_SendByte( (uint8_t)( address >> 8 ) );
SPI_FLASH_SendByte( (uint8_t)address );
if( len > SPI_FLASH_PerWritePageSize )
{
len = SPI_FLASH_PerWritePageSize;
}
while( len-- )
{
SPI_FLASH_SendByte( *pbuf++ );
}
PIN_FLASH_CS_HIGH( );
do
{
temp = FLASH_ReadStatusReg( );
}while( temp & 0x01 );
}
/*******************************************************************************
* Function Name : W25XXX_WR_Block
* Description : W25XXX block write
* Input : address
* len
* *pbuf
* Output : None
* Return : None
*******************************************************************************/
void W25XXX_WR_Block( uint8_t *pbuf, uint32_t address, uint32_t len )
{
uint8_t NumOfPage = 0, NumOfSingle = 0, Addr = 0, count = 0, temp = 0;
Addr = address % SPI_FLASH_PageSize;
count = SPI_FLASH_PageSize - Addr;
NumOfPage = len / SPI_FLASH_PageSize;
NumOfSingle = len % SPI_FLASH_PageSize;
if( Addr == 0 )
{
if( NumOfPage == 0 )
{
W25XXX_WR_Page( pbuf, address, len );
}
else
{
while( NumOfPage-- )
{
W25XXX_WR_Page( pbuf, address, SPI_FLASH_PageSize );
address += SPI_FLASH_PageSize;
pbuf += SPI_FLASH_PageSize;
}
W25XXX_WR_Page( pbuf, address, NumOfSingle );
}
}
else
{
if( NumOfPage == 0 )
{
if( NumOfSingle > count )
{
temp = NumOfSingle - count;
W25XXX_WR_Page( pbuf, address, count );
address += count;
pbuf += count;
W25XXX_WR_Page( pbuf, address, temp );
}
else
{
W25XXX_WR_Page( pbuf, address, len );
}
}
else
{
len -= count;
NumOfPage = len / SPI_FLASH_PageSize;
NumOfSingle = len % SPI_FLASH_PageSize;
W25XXX_WR_Page( pbuf, address, count );
address += count;
pbuf += count;
while( NumOfPage-- )
{
W25XXX_WR_Page( pbuf, address, SPI_FLASH_PageSize );
address += SPI_FLASH_PageSize;
pbuf += SPI_FLASH_PageSize;
}
if( NumOfSingle != 0 )
{
W25XXX_WR_Page( pbuf, address, NumOfSingle );
}
}
}
}
/*******************************************************************************
* Function Name : FLASH_IC_Check
* Description : check flash type
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void FLASH_IC_Check( void )
{
uint32_t count;
/* Read FLASH ID */
Flash_ID = FLASH_ReadID( );
printf("Flash_ID: %08x\n",(uint32_t)Flash_ID);
Flash_Type = 0x00;
Flash_Sector_Count = 0x00;
Flash_Sector_Size = 0x00;
switch( Flash_ID )
{
/* W25XXX */
case W25X10_FLASH_ID: /* 0xEF3011-----1M bit */
count = 1;
break;
case W25X20_FLASH_ID: /* 0xEF3012-----2M bit */
count = 2;
break;
case W25X40_FLASH_ID: /* 0xEF3013-----4M bit */
count = 4;
break;
case W25X80_FLASH_ID: /* 0xEF4014-----8M bit */
count = 8;
break;
case W25Q16_FLASH_ID1: /* 0xEF3015-----16M bit */
case W25Q16_FLASH_ID2: /* 0xEF4015-----16M bit */
count = 16;
break;
case W25Q32_FLASH_ID1: /* 0xEF4016-----32M bit */
case W25Q32_FLASH_ID2: /* 0xEF6016-----32M bit */
count = 32;
break;
case W25Q64_FLASH_ID1: /* 0xEF4017-----64M bit */
case W25Q64_FLASH_ID2: /* 0xEF6017-----64M bit */
count = 64;
break;
case W25Q128_FLASH_ID1: /* 0xEF4018-----128M bit */
case W25Q128_FLASH_ID2: /* 0xEF6018-----128M bit */
count = 128;
break;
case W25Q256_FLASH_ID1: /* 0xEF4019-----256M bit */
case W25Q256_FLASH_ID2: /* 0xEF6019-----256M bit */
count = 256;
break;
default:
if( ( Flash_ID != 0xFFFFFFFF ) && ( Flash_ID != 0x00000000 ) )
{
count = 16;
}
else
{
count = 0x00;
}
break;
}
count = ( (uint32_t)count * 1024 ) * ( (uint32_t)1024 / 8 );
if( count )
{
Flash_Sector_Count = count / DEF_UDISK_SECTOR_SIZE;
Flash_Sector_Size = DEF_UDISK_SECTOR_SIZE;
}
else
{
printf("External Flash not connected\r\n");
while(1);
}
}
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/SPI_FLASH.h
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/********************************** (C) COPYRIGHT *******************************
* File Name : SPI_FLAH.h
* Author : WCH
* Version : V1.0.1
* Date : 2022/11/24
* Description : SPI FLASHChip operation file
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __SPI_FLASH_H
#define __SPI_FLASH_H
#ifdef __cplusplus
extern "C" {
#endif
/******************************************************************************/
/* header files */
#include <stdio.h>
#include <string.h>
#include <stdint.h>
/******************************************************************************/
/* SPI Pins */
#define PIN_FLASH_CS_LOW( ) ( GPIOA->BCR = GPIO_Pin_2 )
#define PIN_FLASH_CS_HIGH( ) ( GPIOA->BSHR = GPIO_Pin_2 )
/******************************************************************************/
/* SPI Serial Flash OPERATION INSTRUCTIONS */
#define CMD_FLASH_READ 0x03 /* Read Memory at 25 MHz */
#define CMD_FLASH_SECTOR_ERASE 0x20 /* Erase 4 KByte of memory array */
#define CMD_FLASH_BYTE_PROG 0x02 /* To Program One Data Byte */
#define CMD_FLASH_RDSR 0x05 /* Read-Status-Register */
#define CMD_FLASH_EWSR 0x50 /* Enable-Write-Status-Register */
#define CMD_FLASH_WREN 0x06 /* Write-Enable */
#define CMD_FLASH_WRDI 0x04 /* Write-Disable */
#define CMD_FLASH_JEDEC_ID 0x9F /* JEDEC ID read */
/******************************************************************************/
#define DEF_DUMMY_BYTE 0xFF
/******************************************************************************/
/* FLASH Parameter Definition */
#define SPI_FLASH_SectorSize 4096
#define SPI_FLASH_PageSize 256
#define SPI_FLASH_PerWritePageSize 256
/******************************************************************************/
/* SPI FLASH Type */
#define DEF_TYPE_W25XXX 0 /* W25XXX */
/******************************************************************************/
/* SPI FLASH Type Define */
/* W25XXX*/
#define W25X10_FLASH_ID 0xEF3011 /* 1M bit */
#define W25X20_FLASH_ID 0xEF3012 /* 2M bit */
#define W25X40_FLASH_ID 0xEF3013 /* 4M bit */
#define W25X80_FLASH_ID 0xEF4014 /* 8M bit */
#define W25Q16_FLASH_ID1 0xEF3015 /* 16M bit */
#define W25Q16_FLASH_ID2 0xEF4015 /* 16M bit */
#define W25Q32_FLASH_ID1 0xEF4016 /* 32M bit */
#define W25Q32_FLASH_ID2 0xEF6016 /* 32M bit */
#define W25Q64_FLASH_ID1 0xEF4017 /* 64M bit */
#define W25Q64_FLASH_ID2 0xEF6017 /* 64M bit */
#define W25Q128_FLASH_ID1 0xEF4018 /* 128M bit */
#define W25Q128_FLASH_ID2 0xEF6018 /* 128M bit */
#define W25Q256_FLASH_ID1 0xEF4019 /* 256M bit */
#define W25Q256_FLASH_ID2 0xEF6019 /* 256M bit */
/******************************************************************************/
/* Variable Definition */
extern volatile uint8_t Flash_Type; /* FLASH chip: 0: W25XXXseries */
extern volatile uint32_t Flash_ID; /* FLASH ID */
extern volatile uint32_t Flash_Sector_Count; /* FLASH sector number */
extern volatile uint16_t Flash_Sector_Size; /* FLASH sector size */
/******************************************************************************/
/* external functions */
extern void FLASH_Port_Init( void );
extern uint8_t SPI_FLASH_SendByte( uint8_t byte );
extern uint8_t SPI_FLASH_ReadByte( void );
extern uint32_t FLASH_ReadID( void );
extern void FLASH_WriteEnable( void );
extern void FLASH_WriteDisable( void );
extern uint8_t FLASH_ReadStatusReg( void );
extern void FLASH_IC_Check( void );
extern void FLASH_Erase_Sector( uint32_t address );
extern void FLASH_RD_Block_Start( uint32_t address );
extern void FLASH_RD_Block( uint8_t *pbuf, uint32_t len );
extern void FLASH_RD_Block_End( void );
extern void W25XXX_WR_Block( uint8_t *pbuf, uint32_t address, uint32_t len );
#ifdef __cplusplus
}
#endif
#endif
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/SW_UDISK.c
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/********************************** (C) COPYRIGHT *******************************
* File Name : SW_UDISK.C
* Author : WCH
* Version : V1.00
* Date : 2021/08/01
* Description : UDISK Source File
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
/******************************************************************************/
/* Header Files */
#include <SPI_FLASH.h>
#include <SW_UDISK.h>
#include "ch32v20x_usbfs_device.h"
#include "ch32v20x_spi.h"
#include "Internal_Flash.h"
/******************************************************************************/
/* Variable Definition */
__attribute__ ((aligned(4))) uint8_t UDisk_Down_Buffer[DEF_FLASH_SECTOR_SIZE];
__attribute__ ((aligned(4))) uint8_t UDisk_Pack_Buffer[DEF_UDISK_PACK_64];
/******************************************************************************/
/* INQUITYÐÅÏ¢ */
uint8_t UDISK_Inquity_Tab[ ] =
{
/* UDISK */
0x00, /* Peripheral Device Type£ºUDISK = 0x00 */
0x80, /* Removable */
0x02, /* ISO/ECMA */
0x02,
0x1F, /* Additional Length */
0x00, /* Reserved */
0x00, /* Reserved */
0x00, /* Reserved */
'F', /* Vendor Information */
'l',
'a',
's',
'h',
' ',
' ',
' ',
'U',
'S',
'B',
' ',
'S',
'p',
'e',
'c',
'i',
'a',
'l',
' ',
'D',
'i',
's',
'k',
'2',
'.',
'D',
'0'
};
/******************************************************************************/
/* formatted capacity information */
uint8_t const UDISK_Rd_Format_Capacity[ ] =
{
0x00,
0x00,
0x00,
0x08,
( MY_UDISK_SIZE >> 24 ) & 0xFF,
( MY_UDISK_SIZE >> 16 ) & 0xFF,
( MY_UDISK_SIZE >> 8 ) & 0xFF,
( MY_UDISK_SIZE ) & 0xFF,
0x02,
( DEF_CFG_DISK_SEC_SIZE >> 16 ) & 0xFF, /* Number of Blocks */
( DEF_CFG_DISK_SEC_SIZE >> 8 ) & 0xFF,
( DEF_CFG_DISK_SEC_SIZE ) & 0xFF,
};
/******************************************************************************/
/* capacity information */
uint8_t const UDISK_Rd_Capacity[ ] =
{
( ( MY_UDISK_SIZE - 1 ) >> 24 ) & 0xFF,
( ( MY_UDISK_SIZE - 1 ) >> 16 ) & 0xFF,
( ( MY_UDISK_SIZE - 1 ) >> 8 ) & 0xFF,
( ( MY_UDISK_SIZE - 1 ) ) & 0xFF,
( DEF_CFG_DISK_SEC_SIZE >> 24 ) & 0xFF, /* Number of Blocks */
( DEF_CFG_DISK_SEC_SIZE >> 16 ) & 0xFF,
( DEF_CFG_DISK_SEC_SIZE >> 8 ) & 0xFF,
( DEF_CFG_DISK_SEC_SIZE ) & 0xFF,
};
/******************************************************************************/
/* MODE_SENSE data,For CMD 0X1A */
uint8_t const UDISK_Mode_Sense_1A[ ] =
{
0x0B,
0x00,
0x00, /* 0x00:write-unprotected,0x80:write-protected */
0x08,
( ( MY_UDISK_SIZE - 1 ) >> 24 ) & 0xFF,
( ( MY_UDISK_SIZE - 1 ) >> 16 ) & 0xFF,
( ( MY_UDISK_SIZE - 1 ) >> 8 ) & 0xFF,
( ( MY_UDISK_SIZE - 1 ) ) & 0xFF,
( DEF_CFG_DISK_SEC_SIZE >> 24 ) & 0xFF, /* Number of Blocks */
( DEF_CFG_DISK_SEC_SIZE >> 16 ) & 0xFF,
( DEF_CFG_DISK_SEC_SIZE >> 8 ) & 0xFF,
( DEF_CFG_DISK_SEC_SIZE ) & 0xFF,
};
/******************************************************************************/
/* MODE_SENSE data,For CMD 0X5A */
uint8_t const UDISK_Mode_Senese_5A[ ] =
{
0x00,
0x0E,
0x00,
0x00, /* 0x00:write-unprotected,0x80:write-protected */
0x00,
0x00,
0x00,
0x08,
( ( MY_UDISK_SIZE - 1 ) >> 24 ) & 0xFF,
( ( MY_UDISK_SIZE - 1 ) >> 16 ) & 0xFF,
( ( MY_UDISK_SIZE - 1 ) >> 8 ) & 0xFF,
( ( MY_UDISK_SIZE - 1 ) ) & 0xFF,
( DEF_CFG_DISK_SEC_SIZE >> 24 ) & 0xFF, /* Number of Blocks */
( DEF_CFG_DISK_SEC_SIZE >> 16 ) & 0xFF,
( DEF_CFG_DISK_SEC_SIZE >> 8 ) & 0xFF,
( DEF_CFG_DISK_SEC_SIZE ) & 0xFF,
};
volatile uint8_t Udisk_Status = 0x00;
volatile uint8_t Udisk_Transfer_Status = 0x00;
volatile uint32_t Udisk_Capability = 0x00;
volatile uint8_t Udisk_CBW_Tag_Save[ 4 ];
volatile uint8_t Udisk_Sense_Key = 0x00;
volatile uint8_t Udisk_Sense_ASC = 0x00;
volatile uint8_t Udisk_CSW_Status = 0x00;
volatile uint32_t UDISK_Transfer_DataLen = 0x00;
volatile uint32_t UDISK_Cur_Sec_Lba = 0x00;
volatile uint16_t UDISK_Sec_Pack_Count = 0x00;
volatile uint16_t UDISK_Pack_Size = DEF_UDISK_PACK_64;
BULK_ONLY_CMD mBOC;
uint8_t *pEndp2_Buf;
/*******************************************************************************
* Function Name : USIDK_CMD_Deal_Status
* Description : Current command execution status
* Input : key------Primary key for disk error details
* asc------Minor key for disk error details
* status---Current command execution result status
* Output : None
* Return : None
*******************************************************************************/
void UDISK_CMD_Deal_Status( uint8_t key, uint8_t asc, uint8_t status )
{
Udisk_Sense_Key = key;
Udisk_Sense_ASC = asc;
Udisk_CSW_Status = status;
}
/*******************************************************************************
* Function Name : UDISK_CMD_Deal_Fail
* Description : The current command failed to execute
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void UDISK_CMD_Deal_Fail( void )
{
if( Udisk_Transfer_Status & DEF_UDISK_BLUCK_UP_FLAG )
{
/* EP2 -> STALL */
USBOTG_FS->UEP2_TX_CTRL = ( USBOTG_FS->UEP2_TX_CTRL & ~USBFS_UEP_T_RES_MASK ) | USBFS_UEP_T_RES_STALL;
Udisk_Transfer_Status &= ~DEF_UDISK_BLUCK_UP_FLAG;
}
if( Udisk_Transfer_Status & DEF_UDISK_BLUCK_DOWN_FLAG )
{
/* EP3 -> STALL */
USBOTG_FS->UEP3_RX_CTRL = ( USBOTG_FS->UEP3_RX_CTRL & ~USBFS_UEP_R_RES_MASK ) | USBFS_UEP_R_RES_STALL;
Udisk_Transfer_Status &= ~DEF_UDISK_BLUCK_DOWN_FLAG;
}
}
/*******************************************************************************
* Function Name : CMD_RD_WR_Deal_Pre
* Description : Preparation before read and write sector processing
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void CMD_RD_WR_Deal_Pre( void )
{
/* Save the sector number to be operated currently */
UDISK_Cur_Sec_Lba = (uint32_t)mBOC.mCBW.mCBW_CB_Buf[ 2 ] << 24;
UDISK_Cur_Sec_Lba = UDISK_Cur_Sec_Lba + ( (uint32_t)mBOC.mCBW.mCBW_CB_Buf[ 3 ] << 16 );
UDISK_Cur_Sec_Lba = UDISK_Cur_Sec_Lba + ( (uint32_t)mBOC.mCBW.mCBW_CB_Buf[ 4 ] << 8 );
UDISK_Cur_Sec_Lba = UDISK_Cur_Sec_Lba + ( (uint32_t)mBOC.mCBW.mCBW_CB_Buf[ 5 ] );
/* Save the current length of data to be manipulated */
UDISK_Transfer_DataLen = ( (uint32_t)mBOC.mCBW.mCBW_CB_Buf[ 7 ] << 8 );
UDISK_Transfer_DataLen = UDISK_Transfer_DataLen + ( (uint32_t)mBOC.mCBW.mCBW_CB_Buf[ 8 ] );
UDISK_Transfer_DataLen = UDISK_Transfer_DataLen * DEF_UDISK_SECTOR_SIZE;
/* Clear related variables */
UDISK_Sec_Pack_Count = 0x00;
UDISK_CMD_Deal_Status( 0x00, 0x00, 0x00 );
}
/*******************************************************************************
* Function Name : UDISK_SCSI_CMD_Deal
* Description : dealing SCSI command
* Input :
* Output :
* Return : None
*******************************************************************************/
void UDISK_SCSI_CMD_Deal( void )
{
uint8_t i;
if( ( mBOC.mCBW.mCBW_Sig[ 0 ] == 'U' ) && ( mBOC.mCBW.mCBW_Sig[ 1 ] == 'S' )
&&( mBOC.mCBW.mCBW_Sig[ 2 ] == 'B' ) && ( mBOC.mCBW.mCBW_Sig[ 3 ] == 'C' ) )
{
Udisk_CBW_Tag_Save[ 0 ] = mBOC.mCBW.mCBW_Tag[ 0 ];
Udisk_CBW_Tag_Save[ 1 ] = mBOC.mCBW.mCBW_Tag[ 1 ];
Udisk_CBW_Tag_Save[ 2 ] = mBOC.mCBW.mCBW_Tag[ 2 ];
Udisk_CBW_Tag_Save[ 3 ] = mBOC.mCBW.mCBW_Tag[ 3 ];
UDISK_Transfer_DataLen = ( uint32_t )mBOC.mCBW.mCBW_DataLen[ 3 ] << 24;
UDISK_Transfer_DataLen += ( ( uint32_t )mBOC.mCBW.mCBW_DataLen[ 2 ] << 16 );
UDISK_Transfer_DataLen += ( ( uint32_t )mBOC.mCBW.mCBW_DataLen[ 1 ] << 8 );
UDISK_Transfer_DataLen += ( ( uint32_t )mBOC.mCBW.mCBW_DataLen[ 0 ] );
if( UDISK_Transfer_DataLen )
{
if( mBOC.mCBW.mCBW_Flag & 0x80 )
{
Udisk_Transfer_Status |= DEF_UDISK_BLUCK_UP_FLAG;
}
else
{
Udisk_Transfer_Status |= DEF_UDISK_BLUCK_DOWN_FLAG;
}
}
Udisk_Transfer_Status |= DEF_UDISK_CSW_UP_FLAG;
/* SCSI command packet processing */
switch( mBOC.mCBW.mCBW_CB_Buf[ 0 ] )
{
case CMD_U_INQUIRY:
/* CMD: 0x12 */
if( UDISK_Transfer_DataLen > 0x24 )
{
UDISK_Transfer_DataLen = 0x24;
}
/* Add upload FLASH chip ID number */
#if (STORAGE_MEDIUM == MEDIUM_SPI_FLASH)
UDISK_Inquity_Tab[ 32 ] = (uint8_t)( Flash_ID >> 24 );
UDISK_Inquity_Tab[ 33 ] = (uint8_t)( Flash_ID >> 16 );
UDISK_Inquity_Tab[ 34 ] = (uint8_t)( Flash_ID >> 8 );
UDISK_Inquity_Tab[ 35 ] = (uint8_t)( Flash_ID );
#endif
/* UDISK Mode */
UDISK_Inquity_Tab[ 0 ] = 0x00;
pEndp2_Buf = (uint8_t *)UDISK_Inquity_Tab;
UDISK_CMD_Deal_Status( 0x00, 0x00, 0x00 );
break;
case CMD_U_READ_FORMAT_CAPACITY:
/* CMD: 0x23 */
if( ( Udisk_Status & DEF_UDISK_EN_FLAG ) )
{
if( UDISK_Transfer_DataLen > 0x0C )
{
UDISK_Transfer_DataLen = 0x0C;
}
for( i = 0x00; i < UDISK_Transfer_DataLen; i++ )
{
mBOC.buf[ i ] = UDISK_Rd_Format_Capacity[ i ];
}
mBOC.buf[ 4 ] = ( ( Udisk_Capability >> 24 ) & 0xFF );
mBOC.buf[ 5 ] = ( ( Udisk_Capability >> 16 ) & 0xFF );
mBOC.buf[ 6 ] = ( ( Udisk_Capability >> 8 ) & 0xFF );
mBOC.buf[ 7 ] = ( ( Udisk_Capability ) & 0xFF );
pEndp2_Buf = mBOC.buf;
UDISK_CMD_Deal_Status( 0x00, 0x00, 0x00 );
}
else
{
UDISK_CMD_Deal_Status( 0x02, 0x3A, 0x01 );
UDISK_CMD_Deal_Fail( );
}
break;
case CMD_U_READ_CAPACITY:
/* CMD: 0x25 */
if( ( Udisk_Status & DEF_UDISK_EN_FLAG ) )
{
if( UDISK_Transfer_DataLen > 0x08 )
{
UDISK_Transfer_DataLen = 0x08;
}
for( i = 0x00; i < UDISK_Transfer_DataLen; i++ )
{
mBOC.buf[ i ] = UDISK_Rd_Capacity[ i ];
}
mBOC.buf[ 0 ] = ( ( Udisk_Capability - 1 ) >> 24 ) & 0xFF;
mBOC.buf[ 1 ] = ( ( Udisk_Capability - 1 ) >> 16 ) & 0xFF;
mBOC.buf[ 2 ] = ( ( Udisk_Capability - 1 ) >> 8 ) & 0xFF;
mBOC.buf[ 3 ] = ( ( Udisk_Capability - 1 ) ) & 0xFF;
pEndp2_Buf = mBOC.buf;
UDISK_CMD_Deal_Status( 0x00, 0x00, 0x00 );
}
else
{
UDISK_CMD_Deal_Status( 0x02, 0x3A, 0x01 );
UDISK_CMD_Deal_Fail( );
}
break;
case CMD_U_READ10:
/* CMD: 0x28 */
if( ( Udisk_Status & DEF_UDISK_EN_FLAG ) )
{
CMD_RD_WR_Deal_Pre( );
}
else
{
UDISK_CMD_Deal_Status( 0x02, 0x3A, 0x01 );
UDISK_CMD_Deal_Fail( );
}
break;
case CMD_U_WR_VERIFY10:
/* CMD: 0x2E */
case CMD_U_WRITE10:
/* CMD: 0x2A */
if( Udisk_Status & DEF_UDISK_EN_FLAG )
{
CMD_RD_WR_Deal_Pre( );
}
else
{
UDISK_CMD_Deal_Status( 0x02, 0x3A, 0x01 );
UDISK_CMD_Deal_Fail( );
}
break;
case CMD_U_MODE_SENSE:
/* CMD: 0x1A */
if( ( Udisk_Status & DEF_UDISK_EN_FLAG ) )
{
if( UDISK_Transfer_DataLen > 0x0C )
{
UDISK_Transfer_DataLen = 0x0C;
}
for( i = 0x00; i < UDISK_Transfer_DataLen; i++ )
{
mBOC.buf[ i ] = UDISK_Mode_Sense_1A[ i ];
}
mBOC.buf[ 4 ] = ( Udisk_Capability >> 24 ) & 0xFF;
mBOC.buf[ 5 ] = ( Udisk_Capability >> 16 ) & 0xFF;
mBOC.buf[ 6 ] = ( Udisk_Capability >> 8 ) & 0xFF;
mBOC.buf[ 7 ] = ( Udisk_Capability ) & 0xFF;
pEndp2_Buf = mBOC.buf;
}
else
{
UDISK_CMD_Deal_Status( 0x02, 0x3A, 0x01 );
UDISK_CMD_Deal_Fail( );
}
break;
case CMD_U_MODE_SENSE2:
/* CMD: 0x5A */
if( mBOC.mCBW.mCBW_CB_Buf[ 2 ] == 0x3F )
{
if( UDISK_Transfer_DataLen > 0x10 )
{
UDISK_Transfer_DataLen = 0x10;
}
for( i = 0x00; i < UDISK_Transfer_DataLen; i++ )
{
mBOC.buf[ i ] = UDISK_Mode_Senese_5A[ i ];
}
mBOC.buf[ 8 ] = ( Udisk_Capability >> 24 ) & 0xFF;
mBOC.buf[ 9 ] = ( Udisk_Capability >> 16 ) & 0xFF;
mBOC.buf[ 10 ] = ( Udisk_Capability >> 8 ) & 0xFF;
mBOC.buf[ 11 ] = ( Udisk_Capability ) & 0xFF;
pEndp2_Buf = mBOC.buf;
}
else
{
UDISK_CMD_Deal_Status( 0x05, 0x20, 0x01 );
UDISK_CMD_Deal_Fail( );
}
break;
case CMD_U_REQUEST_SENSE:
/* CMD: 0x03 */
mBOC.ReqSense.ErrorCode = 0x70;
mBOC.ReqSense.Reserved1 = 0x00;
mBOC.ReqSense.SenseKey = Udisk_Sense_Key;
mBOC.ReqSense.Information[ 0 ] = 0x00;
mBOC.ReqSense.Information[ 1 ] = 0x00;
mBOC.ReqSense.Information[ 2 ] = 0x00;
mBOC.ReqSense.Information[ 3 ] = 0x00;
mBOC.ReqSense.SenseLength = 0x0A;
mBOC.ReqSense.Reserved2[ 0 ] = 0x00;
mBOC.ReqSense.Reserved2[ 1 ] = 0x00;
mBOC.ReqSense.Reserved2[ 2 ] = 0x00;
mBOC.ReqSense.Reserved2[ 3 ] = 0x00;
mBOC.ReqSense.SenseCode = Udisk_Sense_ASC;
mBOC.ReqSense.SenseCodeQua = 0x00;
mBOC.ReqSense.Reserved3[ 0 ] = 0x00;
mBOC.ReqSense.Reserved3[ 1 ] = 0x00;
mBOC.ReqSense.Reserved3[ 2 ] = 0x00;
mBOC.ReqSense.Reserved3[ 3 ] = 0x00;
pEndp2_Buf = mBOC.buf;
Udisk_CSW_Status = 0x00;
break;
case CMD_U_TEST_READY:
if( Udisk_Status & DEF_UDISK_EN_FLAG )
{
UDISK_CMD_Deal_Status( 0x00, 0x00, 0x00 );
}
else
{
UDISK_CMD_Deal_Status( 0x02, 0x3A, 0x01 );
Udisk_Transfer_Status |= DEF_UDISK_BLUCK_UP_FLAG;
UDISK_CMD_Deal_Fail( );
}
break;
case CMD_U_PREVT_REMOVE:
/* CMD: 0x1E */
UDISK_CMD_Deal_Status( 0x00, 0x00, 0x00 );
break;
case CMD_U_VERIFY10:
/* CMD: 0x1F */
UDISK_CMD_Deal_Status( 0x00, 0x00, 0x00 );
break;
case CMD_U_START_STOP:
/* CMD: 0x1B */
UDISK_CMD_Deal_Status( 0x00, 0x00, 0x00 );
break;
default:
UDISK_CMD_Deal_Status( 0x05, 0x20, 0x01 );
Udisk_Transfer_Status |= DEF_UDISK_BLUCK_UP_FLAG;
UDISK_CMD_Deal_Fail( );
break;
}
}
else
{ /* Bad package flag for CBW package */
UDISK_CMD_Deal_Status( 0x05, 0x20, 0x02 );
Udisk_Transfer_Status |= DEF_UDISK_BLUCK_UP_FLAG;
Udisk_Transfer_Status |= DEF_UDISK_BLUCK_DOWN_FLAG;
UDISK_CMD_Deal_Fail( );
}
}
/*******************************************************************************
* Function Name : UDISK_In_EP_Deal
* Description :
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void UDISK_In_EP_Deal( void )
{
if( Udisk_Transfer_Status & DEF_UDISK_BLUCK_UP_FLAG )
{
if( mBOC.mCBW.mCBW_CB_Buf[ 0 ] == CMD_U_READ10 )
{
UDISK_Up_OnePack( );
}
else
{
UDISK_Bulk_UpData( );
}
}
else if( Udisk_Transfer_Status & DEF_UDISK_CSW_UP_FLAG )
{
UDISK_Up_CSW( );
}
}
/*******************************************************************************
* Function Name : UDISK_Out_EP_Deal
* Description : Download endpoint processing
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void UDISK_Out_EP_Deal( uint8_t *pbuf, uint16_t packlen )
{
uint32_t i;
/* Endpoint 2 download data processing */
if( Udisk_Transfer_Status & DEF_UDISK_BLUCK_DOWN_FLAG )
{
UDISK_Down_OnePack( pbuf, packlen );
}
else
{
if( packlen == 0x1F )
{
for( i = 0; i < packlen; i++ )
{
mBOC.buf[ i ] = *pbuf++;
}
UDISK_SCSI_CMD_Deal( );
if( ( Udisk_Transfer_Status & DEF_UDISK_BLUCK_DOWN_FLAG ) == 0x00 )
{
if( Udisk_Transfer_Status & DEF_UDISK_BLUCK_UP_FLAG )
{
if( mBOC.mCBW.mCBW_CB_Buf[ 0 ] == CMD_U_READ10 )
{
UDISK_Up_OnePack( );
}
else
{
UDISK_Bulk_UpData( );
}
}
else if( Udisk_CSW_Status == 0x00 )
{
/* upload CSW */
UDISK_Up_CSW( );
}
}
}
}
}
/*******************************************************************************
* Function Name : UDISK_Bulk_UpData
* Description : EP2 upload data
* Input : Transfer_DataLen--- length of data transferred
* *pBuf---data address pointer
* Output : None
* Return : None
*******************************************************************************/
void UDISK_Bulk_UpData( void )
{
uint32_t len;
if( UDISK_Transfer_DataLen > UDISK_Pack_Size )
{
len = UDISK_Pack_Size;
UDISK_Transfer_DataLen -= UDISK_Pack_Size;
}
else
{
len = UDISK_Transfer_DataLen;
UDISK_Transfer_DataLen = 0x00;
Udisk_Transfer_Status &= ~DEF_UDISK_BLUCK_UP_FLAG;
}
/* Load the data into the upload buffer and start the upload */
USBFS_Endp_DataUp(DEF_UEP2, pEndp2_Buf, len, DEF_UEP_CPY_LOAD );
}
/*******************************************************************************
* Function Name : UDISK_Up_CSW
* Description : Bulk endpoint endpoint 2 upload CSW package
* Input : CBW_Tag_Save---command block label
* CSW_Status---Current command execution result status
* Output : None
* Return : None
*******************************************************************************/
void UDISK_Up_CSW( void )
{
Udisk_Transfer_Status = 0x00;
mBOC.mCSW.mCSW_Sig[ 0 ] = 'U';
mBOC.mCSW.mCSW_Sig[ 1 ] = 'S';
mBOC.mCSW.mCSW_Sig[ 2 ] = 'B';
mBOC.mCSW.mCSW_Sig[ 3 ] = 'S';
mBOC.mCSW.mCSW_Tag[ 0 ] = Udisk_CBW_Tag_Save[ 0 ];
mBOC.mCSW.mCSW_Tag[ 1 ] = Udisk_CBW_Tag_Save[ 1 ];
mBOC.mCSW.mCSW_Tag[ 2 ] = Udisk_CBW_Tag_Save[ 2 ];
mBOC.mCSW.mCSW_Tag[ 3 ] = Udisk_CBW_Tag_Save[ 3 ];
mBOC.mCSW.mCSW_Residue[ 0 ] = 0x00;
mBOC.mCSW.mCSW_Residue[ 1 ] = 0x00;
mBOC.mCSW.mCSW_Residue[ 2 ] = 0x00;
mBOC.mCSW.mCSW_Residue[ 3 ] = 0x00;
mBOC.mCSW.mCSW_Status = Udisk_CSW_Status;
/* Load the data into the upload buffer and start the upload */
USBFS_Endp_DataUp(DEF_UEP2, (uint8_t *)mBOC.buf, 0x0D, DEF_UEP_CPY_LOAD );
}
/*******************************************************************************
* Function Name : UDISK_Up_OnePack
* Description : UDISK upload a pack
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void UDISK_Up_OnePack( void )
{
uint8_t *pbuf = NULL;
#if (STORAGE_MEDIUM == MEDIUM_SPI_FLASH)
if( UDISK_Sec_Pack_Count == 0x00 )
{
FLASH_RD_Block_Start( UDISK_Cur_Sec_Lba * DEF_UDISK_SECTOR_SIZE );
}
FLASH_RD_Block( UDisk_Pack_Buffer, UDISK_Pack_Size );
pbuf = UDisk_Pack_Buffer;
#elif (STORAGE_MEDIUM == MEDIUM_INTERAL_FLASH)
pbuf = (uint8_t*)(IFLASH_UDISK_START_ADDR + UDISK_Cur_Sec_Lba * DEF_UDISK_SECTOR_SIZE + UDISK_Pack_Size * UDISK_Sec_Pack_Count);
#endif
/* USB upload this package data */
USBFS_Endp_DataUp(DEF_UEP2, pbuf,UDISK_Pack_Size, DEF_UEP_CPY_LOAD );
/* Determine whether the current sector data is read and uploaded */
UDISK_Sec_Pack_Count++;
UDISK_Transfer_DataLen -= UDISK_Pack_Size;
if( UDISK_Sec_Pack_Count == ( DEF_UDISK_SECTOR_SIZE / UDISK_Pack_Size ) )
{
#if (STORAGE_MEDIUM == MEDIUM_SPI_FLASH)
PIN_FLASH_CS_HIGH( );
#endif
UDISK_Sec_Pack_Count = 0x00;
UDISK_Cur_Sec_Lba++;
}
/* Determine whether the current sector data is read and uploaded */
if( UDISK_Transfer_DataLen == 0x00 )
{
Udisk_Transfer_Status &= ~DEF_UDISK_BLUCK_UP_FLAG;
}
}
/*******************************************************************************
* Function Name : UDISK_Down_OnePack
* Description : UDISK download a pack
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void UDISK_Down_OnePack( uint8_t *pbuf, uint16_t packlen )
{
uint32_t address;
uint32_t sec_start_addr;
if( UDISK_Sec_Pack_Count == 0x00 )
{
address = (uint32_t)UDISK_Cur_Sec_Lba * DEF_UDISK_SECTOR_SIZE;
sec_start_addr = ( address / DEF_FLASH_SECTOR_SIZE ) * DEF_FLASH_SECTOR_SIZE;
#if (STORAGE_MEDIUM == MEDIUM_SPI_FLASH)
FLASH_Erase_Sector(sec_start_addr);
#endif
}
memcpy(UDisk_Down_Buffer + (uint32_t)UDISK_Sec_Pack_Count * UDISK_Pack_Size ,pbuf, UDISK_Pack_Size);
UDISK_Sec_Pack_Count++;
UDISK_Transfer_DataLen -= UDISK_Pack_Size;
if( UDISK_Sec_Pack_Count == ( DEF_UDISK_SECTOR_SIZE / UDISK_Pack_Size ) )
{
address = (uint32_t)UDISK_Cur_Sec_Lba * DEF_UDISK_SECTOR_SIZE;
sec_start_addr = ( address / DEF_FLASH_SECTOR_SIZE ) * DEF_FLASH_SECTOR_SIZE;
#if (STORAGE_MEDIUM == MEDIUM_SPI_FLASH)
W25XXX_WR_Block(UDisk_Down_Buffer, sec_start_addr, DEF_FLASH_SECTOR_SIZE );
#elif (STORAGE_MEDIUM == MEDIUM_INTERAL_FLASH)
IFlash_Prog_512(IFLASH_UDISK_START_ADDR + sec_start_addr,(uint32_t*)UDisk_Down_Buffer);
#endif
if( UDISK_Transfer_DataLen == 0x00 )
{
Udisk_Transfer_Status &= ~DEF_UDISK_BLUCK_DOWN_FLAG;
UDISK_Up_CSW( );
}
UDISK_Sec_Pack_Count = 0x00;
UDISK_Cur_Sec_Lba++;
}
}
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/SW_UDISK.h
+153
View File
@@ -0,0 +1,153 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : SW_UDISK.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/08
* Description : header file for SW_UDISK.c
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "stdio.h"
#include "stdlib.h"
#ifdef __cplusplus
extern "C" {
#endif
/******************************************************************************/
/* BulkOnly Mass Storage Class requst */
#define CMD_UDISK_RESET 0xFF
#define CMD_UDISK_GET_MAX_LUN 0xFE
/******************************************************************************/
/* USB Mass Storage Class SCSI Command */
#define CMD_U_TEST_READY 0x00
#define CMD_U_REZERO_UNIT 0x01
#define CMD_U_REQUEST_SENSE 0x03
#define CMD_U_FORMAT_UNIT 0x04
#define CMD_U_INQUIRY 0x12
#define CMD_U_MODE_SELECT 0x15
#define CMD_U_RELEASE 0x17
#define CMD_U_MODE_SENSE 0x1A
#define CMD_U_START_STOP 0x1B
#define CMD_U_SEND_DIAG 0x1D
#define CMD_U_PREVT_REMOVE 0x1E
#define CMD_U_READ_FORMAT_CAPACITY 0x23
#define CMD_U_READ_CAPACITY 0x25
#define CMD_U_READ10 0x28
#define CMD_U_WRITE10 0x2A
#define CMD_U_SEEK10 0x2B
#define CMD_U_WR_VERIFY10 0x2E
#define CMD_U_VERIFY10 0x2F
#define CMD_U_SYNC_CACHE 0x35
#define CMD_U_READ_TOC 0x43
#define CMD_U_MODE_SENSE2 0x5A
#define CMD_U_READ12 0xA8
#define CMD_U_WRITE12 0xAA
/******************************************************************************/
#define MY_UDISK_SIZE 0x00000040
/******************************************************************************/
/* BulkOnly */
typedef union _BULK_ONLY_CMD
{
uint8_t buf[ 31 ];
struct
{
uint8_t mCBW_Sig[ 4 ];
uint8_t mCBW_Tag[ 4 ];
uint8_t mCBW_DataLen[ 4 ];
uint8_t mCBW_Flag;
uint8_t mCBW_LUN;
uint8_t mCBW_CB_Len;
uint8_t mCBW_CB_Buf[ 16 ];
} mCBW;
struct
{
uint8_t mCSW_Sig[ 4 ];
uint8_t mCSW_Tag[ 4 ];
uint8_t mCSW_Residue[ 4 ];
uint8_t mCSW_Status;
} mCSW;
struct
{
uint8_t ErrorCode;
uint8_t Reserved1;
uint8_t SenseKey;
uint8_t Information[ 4 ];
uint8_t SenseLength;
uint8_t Reserved2[ 4 ];
uint8_t SenseCode;
uint8_t SenseCodeQua;
uint8_t Reserved3[ 4 ];
}ReqSense;
} BULK_ONLY_CMD;
/******************************************************************************/
#define DEF_DEBUG_PRINTF 1
#define MEDIUM_INTERAL_FLASH 1
#define MEDIUM_SPI_FLASH 2
#define STORAGE_MEDIUM MEDIUM_INTERAL_FLASH
//#define STORAGE_MEDIUM MEDIUM_SPI_FLASH
#if (STORAGE_MEDIUM == MEDIUM_SPI_FLASH)
#define DEF_CFG_DISK_SEC_SIZE 4096 /* Disk sector size */
#define DEF_FLASH_SECTOR_SIZE 4096 /* Flash sector size */
#define DEF_UDISK_SECTOR_SIZE DEF_CFG_DISK_SEC_SIZE /* UDisk sector size */
#elif (STORAGE_MEDIUM == MEDIUM_INTERAL_FLASH)
#define DEF_CFG_DISK_SEC_SIZE 512 /* Disk sector size */
#define DEF_FLASH_SECTOR_SIZE 512 /* Flash sector size */
#define DEF_UDISK_SECTOR_SIZE DEF_CFG_DISK_SEC_SIZE /* UDisk sector size */
#endif
#define DEF_UDISK_PACK_512 512
#define DEF_UDISK_PACK_64 64
/******************************************************************************/
/* Current u-disk status related macro definition */
#define DEF_UDISK_EN_FLAG 0x01
/******************************************************************************/
/* Current u-disk transfer status related macro definitions */
#define DEF_UDISK_BLUCK_UP_FLAG 0x01
#define DEF_UDISK_BLUCK_DOWN_FLAG 0x02
#define DEF_UDISK_CSW_UP_FLAG 0x04
/******************************************************************************/
/* external functions */
extern volatile uint8_t Udisk_CBW_Tag_Save[ 4 ];
extern volatile uint8_t Udisk_Sense_Key;
extern volatile uint8_t Udisk_Sense_ASC;
extern volatile uint8_t Udisk_CSW_Status;
extern volatile uint32_t UDISK_Transfer_DataLen;
extern volatile uint32_t UDISK_Cur_Sec_Lba;
extern volatile uint16_t UDISK_Sec_Pack_Count;
extern volatile uint16_t UDISK_Pack_Size;
extern BULK_ONLY_CMD mBOC;
extern volatile uint8_t Udisk_Status;
extern volatile uint8_t Udisk_Transfer_Status;
extern volatile uint32_t Udisk_Capability;
extern uint8_t UDISK_Inquity_Tab[ ];
extern uint8_t const UDISK_Rd_Format_Capacity[ ];
extern uint8_t const UDISK_Rd_Capacity[ ];
extern uint8_t const UDISK_Mode_Sense_1A[ ];
extern uint8_t const UDISK_Mode_Senese_5A[ ];
extern void UDISK_CMD_Deal_Status( uint8_t key, uint8_t asc, uint8_t status );
extern void UDISK_CMD_Deal_Fail( void );
extern void UDISK_SCSI_CMD_Deal( void );
extern void UDISK_Bulk_UpData( void );
extern void UDISK_Up_CSW( void );
extern void UDISK_Up_OnePack( void );
extern void UDISK_Out_EP_Deal( uint8_t *pbuf, uint16_t packlen );
extern void UDISK_In_EP_Deal( void );
extern void UDISK_Down_OnePack( uint8_t *pbuf, uint16_t packlen );
#ifdef __cplusplus
}
#endif
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/ch32v20x_conf.h
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v20x_conf.h
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : Library configuration file.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V20x_CONF_H
#define __CH32V20x_CONF_H
#include "ch32v20x_adc.h"
#include "ch32v20x_bkp.h"
#include "ch32v20x_can.h"
#include "ch32v20x_crc.h"
#include "ch32v20x_dbgmcu.h"
#include "ch32v20x_dma.h"
#include "ch32v20x_exti.h"
#include "ch32v20x_flash.h"
#include "ch32v20x_gpio.h"
#include "ch32v20x_i2c.h"
#include "ch32v20x_iwdg.h"
#include "ch32v20x_pwr.h"
#include "ch32v20x_rcc.h"
#include "ch32v20x_rtc.h"
#include "ch32v20x_spi.h"
#include "ch32v20x_tim.h"
#include "ch32v20x_usart.h"
#include "ch32v20x_wwdg.h"
#include "ch32v20x_it.h"
#include "ch32v20x_misc.h"
#endif /* __CH32V20x_CONF_H */
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/ch32v20x_it.c
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v20x_it.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : Main Interrupt Service Routines.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v20x_it.h"
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
/*********************************************************************
* @fn NMI_Handler
*
* @brief This function handles NMI exception.
*
* @return none
*/
void NMI_Handler(void)
{
}
/*********************************************************************
* @fn HardFault_Handler
*
* @brief This function handles Hard Fault exception.
*
* @return none
*/
void HardFault_Handler(void)
{
while (1)
{
}
}
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/ch32v20x_it.h
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v20x_it.h
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file contains the headers of the interrupt handlers.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V20x_IT_H
#define __CH32V20x_IT_H
#include "debug.h"
#endif /* __CH32V20x_IT_H */
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/ch32v20x_usb.h
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v20x_usb.h
* Author : WCH
* Version : V1.0.0
* Date : 2020/04/30
* Description : This file contains all the functions prototypes for the USB
* firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V20X_USB_H
#define __CH32V20X_USB_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*******************************************************************************/
/* Header File */
#include "stdint.h"
/*******************************************************************************/
/* USB Communication Related Macro Definition */
/* USB PID */
#ifndef USB_PID_SETUP
#define USB_PID_NULL 0x00
#define USB_PID_SOF 0x05
#define USB_PID_SETUP 0x0D
#define USB_PID_IN 0x09
#define USB_PID_OUT 0x01
#define USB_PID_NYET 0x06
#define USB_PID_ACK 0x02
#define USB_PID_NAK 0x0A
#define USB_PID_STALL 0x0E
#define USB_PID_DATA0 0x03
#define USB_PID_DATA1 0x0B
#define USB_PID_PRE 0x0C
#endif
/* USB standard device request code */
#ifndef USB_GET_DESCRIPTOR
#define USB_GET_STATUS 0x00
#define USB_CLEAR_FEATURE 0x01
#define USB_SET_FEATURE 0x03
#define USB_SET_ADDRESS 0x05
#define USB_GET_DESCRIPTOR 0x06
#define USB_SET_DESCRIPTOR 0x07
#define USB_GET_CONFIGURATION 0x08
#define USB_SET_CONFIGURATION 0x09
#define USB_GET_INTERFACE 0x0A
#define USB_SET_INTERFACE 0x0B
#define USB_SYNCH_FRAME 0x0C
#endif
#define DEF_STRING_DESC_LANG 0x00
#define DEF_STRING_DESC_MANU 0x01
#define DEF_STRING_DESC_PROD 0x02
#define DEF_STRING_DESC_SERN 0x03
/* USB hub class request code */
#ifndef HUB_GET_DESCRIPTOR
#define HUB_GET_STATUS 0x00
#define HUB_CLEAR_FEATURE 0x01
#define HUB_GET_STATE 0x02
#define HUB_SET_FEATURE 0x03
#define HUB_GET_DESCRIPTOR 0x06
#define HUB_SET_DESCRIPTOR 0x07
#endif
/* USB HID class request code */
#ifndef HID_GET_REPORT
#define HID_GET_REPORT 0x01
#define HID_GET_IDLE 0x02
#define HID_GET_PROTOCOL 0x03
#define HID_SET_REPORT 0x09
#define HID_SET_IDLE 0x0A
#define HID_SET_PROTOCOL 0x0B
#endif
/* Bit Define for USB Request Type */
#ifndef USB_REQ_TYP_MASK
#define USB_REQ_TYP_IN 0x80
#define USB_REQ_TYP_OUT 0x00
#define USB_REQ_TYP_READ 0x80
#define USB_REQ_TYP_WRITE 0x00
#define USB_REQ_TYP_MASK 0x60
#define USB_REQ_TYP_STANDARD 0x00
#define USB_REQ_TYP_CLASS 0x20
#define USB_REQ_TYP_VENDOR 0x40
#define USB_REQ_TYP_RESERVED 0x60
#define USB_REQ_RECIP_MASK 0x1F
#define USB_REQ_RECIP_DEVICE 0x00
#define USB_REQ_RECIP_INTERF 0x01
#define USB_REQ_RECIP_ENDP 0x02
#define USB_REQ_RECIP_OTHER 0x03
#define USB_REQ_FEAT_REMOTE_WAKEUP 0x01
#define USB_REQ_FEAT_ENDP_HALT 0x00
#endif
/* USB Descriptor Type */
#ifndef USB_DESCR_TYP_DEVICE
#define USB_DESCR_TYP_DEVICE 0x01
#define USB_DESCR_TYP_CONFIG 0x02
#define USB_DESCR_TYP_STRING 0x03
#define USB_DESCR_TYP_INTERF 0x04
#define USB_DESCR_TYP_ENDP 0x05
#define USB_DESCR_TYP_QUALIF 0x06
#define USB_DESCR_TYP_SPEED 0x07
#define USB_DESCR_TYP_OTG 0x09
#define USB_DESCR_TYP_BOS 0X0F
#define USB_DESCR_TYP_HID 0x21
#define USB_DESCR_TYP_REPORT 0x22
#define USB_DESCR_TYP_PHYSIC 0x23
#define USB_DESCR_TYP_CS_INTF 0x24
#define USB_DESCR_TYP_CS_ENDP 0x25
#define USB_DESCR_TYP_HUB 0x29
#endif
/* USB Device Class */
#ifndef USB_DEV_CLASS_HUB
#define USB_DEV_CLASS_RESERVED 0x00
#define USB_DEV_CLASS_AUDIO 0x01
#define USB_DEV_CLASS_COMMUNIC 0x02
#define USB_DEV_CLASS_HID 0x03
#define USB_DEV_CLASS_MONITOR 0x04
#define USB_DEV_CLASS_PHYSIC_IF 0x05
#define USB_DEV_CLASS_POWER 0x06
#define USB_DEV_CLASS_PRINTER 0x07
#define USB_DEV_CLASS_STORAGE 0x08
#define USB_DEV_CLASS_HUB 0x09
#define USB_DEV_CLASS_VEN_SPEC 0xFF
#endif
/* USB Hub Class Request */
#ifndef HUB_GET_HUB_DESCRIPTOR
#define HUB_CLEAR_HUB_FEATURE 0x20
#define HUB_CLEAR_PORT_FEATURE 0x23
#define HUB_GET_BUS_STATE 0xA3
#define HUB_GET_HUB_DESCRIPTOR 0xA0
#define HUB_GET_HUB_STATUS 0xA0
#define HUB_GET_PORT_STATUS 0xA3
#define HUB_SET_HUB_DESCRIPTOR 0x20
#define HUB_SET_HUB_FEATURE 0x20
#define HUB_SET_PORT_FEATURE 0x23
#endif
/* Hub Class Feature Selectors */
#ifndef HUB_PORT_RESET
#define HUB_C_HUB_LOCAL_POWER 0
#define HUB_C_HUB_OVER_CURRENT 1
#define HUB_PORT_CONNECTION 0
#define HUB_PORT_ENABLE 1
#define HUB_PORT_SUSPEND 2
#define HUB_PORT_OVER_CURRENT 3
#define HUB_PORT_RESET 4
#define HUB_PORT_POWER 8
#define HUB_PORT_LOW_SPEED 9
#define HUB_C_PORT_CONNECTION 16
#define HUB_C_PORT_ENABLE 17
#define HUB_C_PORT_SUSPEND 18
#define HUB_C_PORT_OVER_CURRENT 19
#define HUB_C_PORT_RESET 20
#endif
/* USB HID Class Request Code */
#ifndef HID_GET_REPORT
#define HID_GET_REPORT 0x01
#define HID_GET_IDLE 0x02
#define HID_GET_PROTOCOL 0x03
#define HID_SET_REPORT 0x09
#define HID_SET_IDLE 0x0A
#define HID_SET_PROTOCOL 0x0B
#endif
/* USB UDisk */
#ifndef USB_BO_CBW_SIZE
#define USB_BO_CBW_SIZE 0x1F
#define USB_BO_CSW_SIZE 0x0D
#endif
#ifndef USB_BO_CBW_SIG0
#define USB_BO_CBW_SIG0 0x55
#define USB_BO_CBW_SIG1 0x53
#define USB_BO_CBW_SIG2 0x42
#define USB_BO_CBW_SIG3 0x43
#define USB_BO_CSW_SIG0 0x55
#define USB_BO_CSW_SIG1 0x53
#define USB_BO_CSW_SIG2 0x42
#define USB_BO_CSW_SIG3 0x53
#endif
/*******************************************************************************/
/* USBFS Related Register Macro Definition */
/* R8_USB_CTRL */
#define USBFS_UC_HOST_MODE 0x80
#define USBFS_UC_LOW_SPEED 0x40
#define USBFS_UC_DEV_PU_EN 0x20
#define USBFS_UC_SYS_CTRL_MASK 0x30
#define USBFS_UC_SYS_CTRL0 0x00
#define USBFS_UC_SYS_CTRL1 0x10
#define USBFS_UC_SYS_CTRL2 0x20
#define USBFS_UC_SYS_CTRL3 0x30
#define USBFS_UC_INT_BUSY 0x08
#define USBFS_UC_RESET_SIE 0x04
#define USBFS_UC_CLR_ALL 0x02
#define USBFS_UC_DMA_EN 0x01
/* R8_USB_INT_EN */
#define USBFS_UIE_DEV_SOF 0x80
#define USBFS_UIE_DEV_NAK 0x40
#define USBFS_UIE_FIFO_OV 0x10
#define USBFS_UIE_HST_SOF 0x08
#define USBFS_UIE_SUSPEND 0x04
#define USBFS_UIE_TRANSFER 0x02
#define USBFS_UIE_DETECT 0x01
#define USBFS_UIE_BUS_RST 0x01
/* R8_USB_DEV_AD */
#define USBFS_UDA_GP_BIT 0x80
#define USBFS_USB_ADDR_MASK 0x7F
/* R8_USB_MIS_ST */
#define USBFS_UMS_SOF_PRES 0x80
#define USBFS_UMS_SOF_ACT 0x40
#define USBFS_UMS_SIE_FREE 0x20
#define USBFS_UMS_R_FIFO_RDY 0x10
#define USBFS_UMS_BUS_RESET 0x08
#define USBFS_UMS_SUSPEND 0x04
#define USBFS_UMS_DM_LEVEL 0x02
#define USBFS_UMS_DEV_ATTACH 0x01
/* R8_USB_INT_FG */
#define USBFS_U_IS_NAK 0x80 // RO, indicate current USB transfer is NAK received
#define USBFS_U_TOG_OK 0x40 // RO, indicate current USB transfer toggle is OK
#define USBFS_U_SIE_FREE 0x20 // RO, indicate USB SIE free status
#define USBFS_UIF_FIFO_OV 0x10 // FIFO overflow interrupt flag for USB, direct bit address clear or write 1 to clear
#define USBFS_UIF_HST_SOF 0x08 // host SOF timer interrupt flag for USB host, direct bit address clear or write 1 to clear
#define USBFS_UIF_SUSPEND 0x04 // USB suspend or resume event interrupt flag, direct bit address clear or write 1 to clear
#define USBFS_UIF_TRANSFER 0x02 // USB transfer completion interrupt flag, direct bit address clear or write 1 to clear
#define USBFS_UIF_DETECT 0x01 // device detected event interrupt flag for USB host mode, direct bit address clear or write 1 to clear
#define USBFS_UIF_BUS_RST 0x01 // bus reset event interrupt flag for USB device mode, direct bit address clear or write 1 to clear
/* R8_USB_INT_ST */
#define USBFS_UIS_IS_NAK 0x80 // RO, indicate current USB transfer is NAK received for USB device mode
#define USBFS_UIS_TOG_OK 0x40 // RO, indicate current USB transfer toggle is OK
#define USBFS_UIS_TOKEN_MASK 0x30 // RO, bit mask of current token PID code received for USB device mode
#define USBFS_UIS_TOKEN_OUT 0x00
#define USBFS_UIS_TOKEN_SOF 0x10
#define USBFS_UIS_TOKEN_IN 0x20
#define USBFS_UIS_TOKEN_SETUP 0x30
// bUIS_TOKEN1 & bUIS_TOKEN0: current token PID code received for USB device mode
// 00: OUT token PID received
// 01: SOF token PID received
// 10: IN token PID received
// 11: SETUP token PID received
#define USBFS_UIS_ENDP_MASK 0x0F // RO, bit mask of current transfer endpoint number for USB device mode
#define USBFS_UIS_H_RES_MASK 0x0F // RO, bit mask of current transfer handshake response for USB host mode: 0000=no response, time out from device, others=handshake response PID received
/* R32_USB_OTG_CR */
#define USBFS_CR_SESS_VTH 0x20
#define USBFS_CR_VBUS_VTH 0x10
#define USBFS_CR_OTG_EN 0x08
#define USBFS_CR_IDPU 0x04
#define USBFS_CR_CHARGE_VBUS 0x02
#define USBFS_CR_DISCHAR_VBUS 0x01
/* R32_USB_OTG_SR */
#define USBFS_SR_ID_DIG 0x08
#define USBFS_SR_SESS_END 0x04
#define USBFS_SR_SESS_VLD 0x02
#define USBFS_SR_VBUS_VLD 0x01
/* R8_UDEV_CTRL */
#define USBFS_UD_PD_DIS 0x80 // disable USB UDP/UDM pulldown resistance: 0=enable pulldown, 1=disable
#define USBFS_UD_DP_PIN 0x20 // ReadOnly: indicate current UDP pin level
#define USBFS_UD_DM_PIN 0x10 // ReadOnly: indicate current UDM pin level
#define USBFS_UD_LOW_SPEED 0x04 // enable USB physical port low speed: 0=full speed, 1=low speed
#define USBFS_UD_GP_BIT 0x02 // general purpose bit
#define USBFS_UD_PORT_EN 0x01 // enable USB physical port I/O: 0=disable, 1=enable
/* R8_UEP4_1_MOD */
#define USBFS_UEP1_RX_EN 0x80 // enable USB endpoint 1 receiving (OUT)
#define USBFS_UEP1_TX_EN 0x40 // enable USB endpoint 1 transmittal (IN)
#define USBFS_UEP1_BUF_MOD 0x10 // buffer mode of USB endpoint 1
// bUEPn_RX_EN & bUEPn_TX_EN & bUEPn_BUF_MOD: USB endpoint 1/2/3 buffer mode, buffer start address is UEPn_DMA
// 0 0 x: disable endpoint and disable buffer
// 1 0 0: 64 bytes buffer for receiving (OUT endpoint)
// 1 0 1: dual 64 bytes buffer by toggle bit bUEP_R_TOG selection for receiving (OUT endpoint), total=128bytes
// 0 1 0: 64 bytes buffer for transmittal (IN endpoint)
// 0 1 1: dual 64 bytes buffer by toggle bit bUEP_T_TOG selection for transmittal (IN endpoint), total=128bytes
// 1 1 0: 64 bytes buffer for receiving (OUT endpoint) + 64 bytes buffer for transmittal (IN endpoint), total=128bytes
// 1 1 1: dual 64 bytes buffer by bUEP_R_TOG selection for receiving (OUT endpoint) + dual 64 bytes buffer by bUEP_T_TOG selection for transmittal (IN endpoint), total=256bytes
#define USBFS_UEP4_RX_EN 0x08 // enable USB endpoint 4 receiving (OUT)
#define USBFS_UEP4_TX_EN 0x04 // enable USB endpoint 4 transmittal (IN)
// bUEP4_RX_EN & bUEP4_TX_EN: USB endpoint 4 buffer mode, buffer start address is UEP0_DMA
// 0 0: single 64 bytes buffer for endpoint 0 receiving & transmittal (OUT & IN endpoint)
// 1 0: single 64 bytes buffer for endpoint 0 receiving & transmittal (OUT & IN endpoint) + 64 bytes buffer for endpoint 4 receiving (OUT endpoint), total=128bytes
// 0 1: single 64 bytes buffer for endpoint 0 receiving & transmittal (OUT & IN endpoint) + 64 bytes buffer for endpoint 4 transmittal (IN endpoint), total=128bytes
// 1 1: single 64 bytes buffer for endpoint 0 receiving & transmittal (OUT & IN endpoint)
// + 64 bytes buffer for endpoint 4 receiving (OUT endpoint) + 64 bytes buffer for endpoint 4 transmittal (IN endpoint), total=192bytes
#define USBFS_UEP4_BUF_MOD 0x01
/* R8_UEP2_3_MOD */
#define USBFS_UEP3_RX_EN 0x80 // enable USB endpoint 3 receiving (OUT)
#define USBFS_UEP3_TX_EN 0x40 // enable USB endpoint 3 transmittal (IN)
#define USBFS_UEP3_BUF_MOD 0x10 // buffer mode of USB endpoint 3
#define USBFS_UEP2_RX_EN 0x08 // enable USB endpoint 2 receiving (OUT)
#define USBFS_UEP2_TX_EN 0x04 // enable USB endpoint 2 transmittal (IN)
#define USBFS_UEP2_BUF_MOD 0x01 // buffer mode of USB endpoint 2
/* R8_UEP5_6_MOD */
#define USBFS_UEP6_RX_EN 0x80 // enable USB endpoint 6 receiving (OUT)
#define USBFS_UEP6_TX_EN 0x40 // enable USB endpoint 6 transmittal (IN)
#define USBFS_UEP6_BUF_MOD 0x10 // buffer mode of USB endpoint 6
#define USBFS_UEP5_RX_EN 0x08 // enable USB endpoint 5 receiving (OUT)
#define USBFS_UEP5_TX_EN 0x04 // enable USB endpoint 5 transmittal (IN)
#define USBFS_UEP5_BUF_MOD 0x01 // buffer mode of USB endpoint 5
/* R8_UEP7_MOD */
#define USBFS_UEP7_RX_EN 0x08 // enable USB endpoint 7 receiving (OUT)
#define USBFS_UEP7_TX_EN 0x04 // enable USB endpoint 7 transmittal (IN)
#define USBFS_UEP7_BUF_MOD 0x01 // buffer mode of USB endpoint 7
/* R8_UEPn_TX_CTRL */
#define USBFS_UEP_T_AUTO_TOG 0x08 // enable automatic toggle after successful transfer completion on endpoint 1/2/3: 0=manual toggle, 1=automatic toggle
#define USBFS_UEP_T_TOG 0x04 // prepared data toggle flag of USB endpoint X transmittal (IN): 0=DATA0, 1=DATA1
#define USBFS_UEP_T_RES_MASK 0x03 // bit mask of handshake response type for USB endpoint X transmittal (IN)
#define USBFS_UEP_T_RES_ACK 0x00
#define USBFS_UEP_T_RES_NONE 0x01
#define USBFS_UEP_T_RES_NAK 0x02
#define USBFS_UEP_T_RES_STALL 0x03
// bUEP_T_RES1 & bUEP_T_RES0: handshake response type for USB endpoint X transmittal (IN)
// 00: DATA0 or DATA1 then expecting ACK (ready)
// 01: DATA0 or DATA1 then expecting no response, time out from host, for non-zero endpoint isochronous transactions
// 10: NAK (busy)
// 11: STALL (error)
// host aux setup
/* R8_UEPn_RX_CTRL, n=0-7 */
#define USBFS_UEP_R_AUTO_TOG 0x08 // enable automatic toggle after successful transfer completion on endpoint 1/2/3: 0=manual toggle, 1=automatic toggle
#define USBFS_UEP_R_TOG 0x04 // expected data toggle flag of USB endpoint X receiving (OUT): 0=DATA0, 1=DATA1
#define USBFS_UEP_R_RES_MASK 0x03 // bit mask of handshake response type for USB endpoint X receiving (OUT)
#define USBFS_UEP_R_RES_ACK 0x00
#define USBFS_UEP_R_RES_NONE 0x01
#define USBFS_UEP_R_RES_NAK 0x02
#define USBFS_UEP_R_RES_STALL 0x03
// RB_UEP_R_RES1 & RB_UEP_R_RES0: handshake response type for USB endpoint X receiving (OUT)
// 00: ACK (ready)
// 01: no response, time out to host, for non-zero endpoint isochronous transactions
// 10: NAK (busy)
// 11: STALL (error)
/* R8_UHOST_CTRL */
#define USBFS_UH_PD_DIS 0x80 // disable USB UDP/UDM pulldown resistance: 0=enable pulldown, 1=disable
#define USBFS_UH_DP_PIN 0x20 // ReadOnly: indicate current UDP pin level
#define USBFS_UH_DM_PIN 0x10 // ReadOnly: indicate current UDM pin level
#define USBFS_UH_LOW_SPEED 0x04 // enable USB port low speed: 0=full speed, 1=low speed
#define USBFS_UH_BUS_RESET 0x02 // control USB bus reset: 0=normal, 1=force bus reset
#define USBFS_UH_PORT_EN 0x01 // enable USB port: 0=disable, 1=enable port, automatic disabled if USB device detached
/* R32_UH_EP_MOD */
#define USBFS_UH_EP_TX_EN 0x40 // enable USB host OUT endpoint transmittal
#define USBFS_UH_EP_TBUF_MOD 0x10 // buffer mode of USB host OUT endpoint
// bUH_EP_TX_EN & bUH_EP_TBUF_MOD: USB host OUT endpoint buffer mode, buffer start address is UH_TX_DMA
// 0 x: disable endpoint and disable buffer
// 1 0: 64 bytes buffer for transmittal (OUT endpoint)
// 1 1: dual 64 bytes buffer by toggle bit bUH_T_TOG selection for transmittal (OUT endpoint), total=128bytes
#define USBFS_UH_EP_RX_EN 0x08 // enable USB host IN endpoint receiving
#define USBFS_UH_EP_RBUF_MOD 0x01 // buffer mode of USB host IN endpoint
// bUH_EP_RX_EN & bUH_EP_RBUF_MOD: USB host IN endpoint buffer mode, buffer start address is UH_RX_DMA
// 0 x: disable endpoint and disable buffer
// 1 0: 64 bytes buffer for receiving (IN endpoint)
// 1 1: dual 64 bytes buffer by toggle bit bUH_R_TOG selection for receiving (IN endpoint), total=128bytes
/* R16_UH_SETUP */
#define USBFS_UH_PRE_PID_EN 0x0400 // USB host PRE PID enable for low speed device via hub
#define USBFS_UH_SOF_EN 0x0004 // USB host automatic SOF enable
/* R8_UH_EP_PID */
#define USBFS_UH_TOKEN_MASK 0xF0 // bit mask of token PID for USB host transfer
#define USBFS_UH_ENDP_MASK 0x0F // bit mask of endpoint number for USB host transfer
/* R8_UH_RX_CTRL */
#define USBFS_UH_R_AUTO_TOG 0x08 // enable automatic toggle after successful transfer completion: 0=manual toggle, 1=automatic toggle
#define USBFS_UH_R_TOG 0x04 // expected data toggle flag of host receiving (IN): 0=DATA0, 1=DATA1
#define USBFS_UH_R_RES 0x01 // prepared handshake response type for host receiving (IN): 0=ACK (ready), 1=no response, time out to device, for isochronous transactions
/* R8_UH_TX_CTRL */
#define USBFS_UH_T_AUTO_TOG 0x08 // enable automatic toggle after successful transfer completion: 0=manual toggle, 1=automatic toggle
#define USBFS_UH_T_TOG 0x04 // prepared data toggle flag of host transmittal (SETUP/OUT): 0=DATA0, 1=DATA1
#define USBFS_UH_T_RES 0x01 // expected handshake response type for host transmittal (SETUP/OUT): 0=ACK (ready), 1=no response, time out from device, for isochronous transactions
/*******************************************************************************/
/* Struct Definition */
/* USB Setup Request */
typedef struct __attribute__((packed)) _USB_SETUP_REQ
{
uint8_t bRequestType;
uint8_t bRequest;
uint16_t wValue;
uint16_t wIndex;
uint16_t wLength;
} USB_SETUP_REQ, *PUSB_SETUP_REQ;
/* USB Device Descriptor */
typedef struct __attribute__((packed)) _USB_DEVICE_DESCR
{
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdUSB;
uint8_t bDeviceClass;
uint8_t bDeviceSubClass;
uint8_t bDeviceProtocol;
uint8_t bMaxPacketSize0;
uint16_t idVendor;
uint16_t idProduct;
uint16_t bcdDevice;
uint8_t iManufacturer;
uint8_t iProduct;
uint8_t iSerialNumber;
uint8_t bNumConfigurations;
} USB_DEV_DESCR, *PUSB_DEV_DESCR;
/* USB Configuration Descriptor */
typedef struct __attribute__((packed)) _USB_CONFIG_DESCR
{
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t wTotalLength;
uint8_t bNumInterfaces;
uint8_t bConfigurationValue;
uint8_t iConfiguration;
uint8_t bmAttributes;
uint8_t MaxPower;
} USB_CFG_DESCR, *PUSB_CFG_DESCR;
/* USB Interface Descriptor */
typedef struct __attribute__((packed)) _USB_INTERF_DESCR
{
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bInterfaceNumber;
uint8_t bAlternateSetting;
uint8_t bNumEndpoints;
uint8_t bInterfaceClass;
uint8_t bInterfaceSubClass;
uint8_t bInterfaceProtocol;
uint8_t iInterface;
} USB_ITF_DESCR, *PUSB_ITF_DESCR;
/* USB Endpoint Descriptor */
typedef struct __attribute__((packed)) _USB_ENDPOINT_DESCR
{
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bEndpointAddress;
uint8_t bmAttributes;
uint8_t wMaxPacketSizeL;
uint8_t wMaxPacketSizeH;
uint8_t bInterval;
} USB_ENDP_DESCR, *PUSB_ENDP_DESCR;
/* USB Configuration Descriptor Set */
typedef struct __attribute__((packed)) _USB_CONFIG_DESCR_LONG
{
USB_CFG_DESCR cfg_descr;
USB_ITF_DESCR itf_descr;
USB_ENDP_DESCR endp_descr[ 1 ];
} USB_CFG_DESCR_LONG, *PUSB_CFG_DESCR_LONG;
/* USB HUB Descriptor */
typedef struct __attribute__((packed)) _USB_HUB_DESCR
{
uint8_t bDescLength;
uint8_t bDescriptorType;
uint8_t bNbrPorts;
uint8_t wHubCharacteristicsL;
uint8_t wHubCharacteristicsH;
uint8_t bPwrOn2PwrGood;
uint8_t bHubContrCurrent;
uint8_t DeviceRemovable;
uint8_t PortPwrCtrlMask;
} USB_HUB_DESCR, *PUSB_HUB_DESCR;
/* USB HID Descriptor */
typedef struct __attribute__((packed)) _USB_HID_DESCR
{
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdHID;
uint8_t bCountryCode;
uint8_t bNumDescriptors;
uint8_t bDescriptorTypeX;
uint8_t wDescriptorLengthL;
uint8_t wDescriptorLengthH;
} USB_HID_DESCR, *PUSB_HID_DESCR;
/* USB UDisk */
typedef struct __attribute__((packed)) _UDISK_BOC_CBW
{
uint32_t mCBW_Sig;
uint32_t mCBW_Tag;
uint32_t mCBW_DataLen;
uint8_t mCBW_Flag;
uint8_t mCBW_LUN;
uint8_t mCBW_CB_Len;
uint8_t mCBW_CB_Buf[ 16 ];
} UDISK_BOC_CBW, *PXUDISK_BOC_CBW;
/* USB UDisk */
typedef struct __attribute__((packed)) _UDISK_BOC_CSW
{
uint32_t mCBW_Sig;
uint32_t mCBW_Tag;
uint32_t mCSW_Residue;
uint8_t mCSW_Status;
} UDISK_BOC_CSW, *PXUDISK_BOC_CSW;
#ifdef __cplusplus
}
#endif
#endif /*_CH32V20X_USB_H */
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/ch32v20x_usbfs_device.c
+736
View File
@@ -0,0 +1,736 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v20x_usbfs_device.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/20
* Description : This file provides all the USBOTG firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v20x_usbfs_device.h"
#include "SW_UDISK.h"
/*******************************************************************************/
/* Variable Definition */
/* Global */
const uint8_t *pUSBFS_Descr;
/* Setup Request */
volatile uint8_t USBFS_SetupReqCode;
volatile uint8_t USBFS_SetupReqType;
volatile uint16_t USBFS_SetupReqValue;
volatile uint16_t USBFS_SetupReqIndex;
volatile uint16_t USBFS_SetupReqLen;
/* USB Device Status */
volatile uint8_t USBFS_DevConfig;
volatile uint8_t USBFS_DevAddr;
volatile uint8_t USBFS_DevSleepStatus;
volatile uint8_t USBFS_DevEnumStatus;
/* Endpoint Buffer */
__attribute__ ((aligned(4))) uint8_t USBFS_EP0_Buf[ DEF_USBD_UEP0_SIZE ]; //ep0(64)
__attribute__ ((aligned(4))) uint8_t UDisk_In_Buf[ DEF_UDISK_PACK_64 ];
__attribute__ ((aligned(4))) uint8_t UDisk_Out_Buf[ DEF_UDISK_PACK_64 ];
/* USB IN Endpoint Busy Flag */
volatile uint8_t USBFS_Endp_Busy[ DEF_UEP_NUM ];
/******************************************************************************/
/* Interrupt Service Routine Declaration*/
void USBHD_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
/*********************************************************************
* @fn USBFS_RCC_Init
*
* @brief Initializes the usbotg clock configuration.
*
* @return none
*/
void USBFS_RCC_Init( void )
{
if( SystemCoreClock == 144000000 )
{
RCC_USBCLKConfig( RCC_USBCLKSource_PLLCLK_Div3 );
}
else if( SystemCoreClock == 96000000 )
{
RCC_USBCLKConfig( RCC_USBCLKSource_PLLCLK_Div2 );
}
else if( SystemCoreClock == 48000000 )
{
RCC_USBCLKConfig( RCC_USBCLKSource_PLLCLK_Div1 );
}
RCC_AHBPeriphClockCmd( RCC_AHBPeriph_OTG_FS, ENABLE );
}
/*********************************************************************
* @fn USBFS_Device_Endp_Init
*
* @brief Initializes USB device endpoints.
*
* @return none
*/
void USBFS_Device_Endp_Init( void )
{
uint8_t i;
USBOTG_FS->UEP2_3_MOD = USBFS_UEP2_TX_EN|USBFS_UEP3_RX_EN;
USBOTG_FS->UEP0_DMA = (uint32_t)USBFS_EP0_Buf;
USBOTG_FS->UEP2_DMA = (uint32_t)UDisk_In_Buf;
USBOTG_FS->UEP3_DMA = (uint32_t)UDisk_Out_Buf;
USBOTG_FS->UEP0_RX_CTRL = USBFS_UEP_R_RES_ACK;
USBOTG_FS->UEP3_RX_CTRL = USBFS_UEP_R_RES_ACK;
USBOTG_FS->UEP0_TX_CTRL = USBFS_UEP_T_RES_NAK;
USBOTG_FS->UEP2_TX_CTRL = USBFS_UEP_T_RES_NAK;
USBOTG_FS->UEP2_TX_LEN = 0;
/* Clear End-points Busy Status */
for( i=0; i<DEF_UEP_NUM; i++ )
{
USBFS_Endp_Busy[ i ] = 0;
}
}
/*********************************************************************
* @fn USBFS_Device_Init
*
* @brief Initializes USB device.
*
* @return none
*/
void USBFS_Device_Init( FunctionalState sta )
{
if( sta )
{
USBOTG_H_FS->BASE_CTRL = USBFS_UC_RESET_SIE | USBFS_UC_CLR_ALL;
Delay_Us( 10 );
USBOTG_H_FS->BASE_CTRL = 0x00;
USBOTG_FS->INT_EN = USBFS_UIE_SUSPEND | USBFS_UIE_BUS_RST | USBFS_UIE_TRANSFER;
USBOTG_FS->BASE_CTRL = USBFS_UC_DEV_PU_EN | USBFS_UC_INT_BUSY | USBFS_UC_DMA_EN;
USBFS_Device_Endp_Init( );
USBOTG_FS->UDEV_CTRL = USBFS_UD_PD_DIS | USBFS_UD_PORT_EN;
NVIC_EnableIRQ( USBHD_IRQn );
}
else
{
USBOTG_H_FS->BASE_CTRL = USBFS_UC_RESET_SIE | USBFS_UC_CLR_ALL;
Delay_Us( 10 );
USBOTG_FS->BASE_CTRL = 0x00;
NVIC_DisableIRQ( USBHD_IRQn );
}
}
/*********************************************************************
* @fn USBFS_Endp_DataUp
*
* @brief USBFS device data upload
*
* @return none
*/
uint8_t USBFS_Endp_DataUp(uint8_t endp, uint8_t *pbuf, uint16_t len, uint8_t mod)
{
uint8_t endp_mode;
uint8_t buf_load_offset;
/* DMA config, endp_ctrl config, endp_len config */
if( (endp>=DEF_UEP1) && (endp<=DEF_UEP7) )
{
if( USBFS_Endp_Busy[ endp ] == 0 )
{
if( (endp == DEF_UEP1) || (endp == DEF_UEP4) )
{
/* endp1/endp4 */
endp_mode = USBFSD_UEP_MOD(0);
if( endp == DEF_UEP1 )
{
endp_mode = (uint8_t)(endp_mode>>4);
}
}
else if( (endp == DEF_UEP2) || (endp == DEF_UEP3) )
{
/* endp2/endp3 */
endp_mode = USBFSD_UEP_MOD(1);
if( endp == DEF_UEP3 )
{
endp_mode = (uint8_t)(endp_mode>>4);
}
}
else if( (endp == DEF_UEP5) || (endp == DEF_UEP6) )
{
/* endp5/endp6 */
endp_mode = USBFSD_UEP_MOD(2);
if( endp == DEF_UEP6 )
{
endp_mode = (uint8_t)(endp_mode>>4);
}
}
else
{
/* endp7 */
endp_mode = USBFSD_UEP_MOD(3);
}
if( endp_mode & USBFSD_UEP_TX_EN )
{
if( endp_mode & USBFSD_UEP_RX_EN )
{
buf_load_offset = 64;
}
else
{
buf_load_offset = 0;
}
if( buf_load_offset == 0 )
{
if( mod == DEF_UEP_DMA_LOAD )
{
/* DMA mode */
USBFSD_UEP_DMA(endp) = (uint16_t)(uint32_t)pbuf;
}
else
{
/* copy mode */
memcpy( USBFSD_UEP_BUF(endp), pbuf, len );
}
}
else
{
memcpy( USBFSD_UEP_BUF(endp)+buf_load_offset, pbuf, len );
}
/* tx length */
USBFSD_UEP_TLEN(endp) = len;
/* response ack */
USBFSD_UEP_CTRL(endp) = (USBFSD_UEP_CTRL(endp) & ~USBFS_UEP_T_RES_MASK) | USBFS_UEP_T_RES_ACK;
/* Set end-point busy */
USBFS_Endp_Busy[ endp ] = 0x01;
}
}
else
{
return 1;
}
}
else
{
return 1;
}
return 0;
}
/*********************************************************************
* @fn USBHD_IRQHandler
*
* @brief This function handles HD-FS exception.
*
* @return none
*/
void USBHD_IRQHandler( void )
{
uint8_t intflag, intst, errflag;
uint16_t len;
intflag = USBOTG_FS->INT_FG;
intst = USBOTG_FS->INT_ST;
if( intflag & USBFS_UIF_TRANSFER )
{
switch (intst & USBFS_UIS_TOKEN_MASK)
{
/* data-in stage processing */
case USBFS_UIS_TOKEN_IN:
switch ( intst & ( USBFS_UIS_TOKEN_MASK | USBFS_UIS_ENDP_MASK ) )
{
/* end-point 0 data in interrupt */
case USBFS_UIS_TOKEN_IN | DEF_UEP0:
if( USBFS_SetupReqLen == 0 )
{
USBOTG_FS->UEP0_RX_CTRL = USBFS_UEP_R_TOG | USBFS_UEP_R_RES_ACK;
}
if ( ( USBFS_SetupReqType & USB_REQ_TYP_MASK ) != USB_REQ_TYP_STANDARD )
{
/* Non-standard request endpoint 0 Data upload */
}
else
{
/* Standard request endpoint 0 Data upload */
switch( USBFS_SetupReqCode )
{
case USB_GET_DESCRIPTOR:
len = USBFS_SetupReqLen >= DEF_USBD_UEP0_SIZE ? DEF_USBD_UEP0_SIZE : USBFS_SetupReqLen;
memcpy( USBFS_EP0_Buf, pUSBFS_Descr, len );
USBFS_SetupReqLen -= len;
pUSBFS_Descr += len;
USBOTG_FS->UEP0_TX_LEN = len;
USBOTG_FS->UEP0_TX_CTRL ^= USBFS_UEP_T_TOG;
break;
case USB_SET_ADDRESS:
USBOTG_FS->DEV_ADDR = (USBOTG_FS->DEV_ADDR & USBFS_UDA_GP_BIT) | USBFS_DevAddr;
break;
default:
break;
}
}
break;
/* end-point 2 data in interrupt */
case ( USBFS_UIS_TOKEN_IN | DEF_UEP2 ):
USBOTG_FS->UEP2_TX_CTRL ^= USBFS_UEP_T_TOG;
USBOTG_FS->UEP2_TX_CTRL = (USBOTG_FS->UEP2_TX_CTRL & ~USBFS_UEP_T_RES_MASK) | USBFS_UEP_T_RES_NAK;
USBFS_Endp_Busy[ DEF_UEP2 ] = 0;
UDISK_In_EP_Deal();
break;
default :
break;
}
break;
/* data-out stage processing */
case USBFS_UIS_TOKEN_OUT:
switch ( intst & ( USBFS_UIS_TOKEN_MASK | USBFS_UIS_ENDP_MASK ) )
{
/* end-point 0 data out interrupt */
case USBFS_UIS_TOKEN_OUT | DEF_UEP0:
len = USBOTG_FS->RX_LEN;
if ( intst & USBFS_UIS_TOG_OK )
{
if ( ( USBFS_SetupReqType & USB_REQ_TYP_MASK ) != USB_REQ_TYP_STANDARD )
{
/* Non-standard request end-point 0 Data download */
/* Add your code here */
}
else
{
/* Standard request end-point 0 Data download */
/* Add your code here */
}
if( USBFS_SetupReqLen == 0 )
{
USBOTG_FS->UEP0_TX_LEN = 0;
USBOTG_FS->UEP0_TX_CTRL = USBFS_UEP_T_TOG | USBFS_UEP_T_RES_ACK;
}
}
break;
/* end-point 3 data out interrupt */
case USBFS_UIS_TOKEN_OUT | DEF_UEP3:
if ( intst & USBFS_UIS_TOG_OK )
{
len = USBOTG_FS->RX_LEN;
USBOTG_FS->UEP3_RX_CTRL ^= USBFS_UEP_R_TOG;
USBOTG_FS->UEP3_RX_CTRL = (USBOTG_FS->UEP3_RX_CTRL & ~USBFS_UEP_R_RES_MASK) | USBFS_UEP_R_RES_NAK;
UDISK_Out_EP_Deal(UDisk_Out_Buf,len);
USBOTG_FS->UEP3_RX_CTRL = (USBOTG_FS->UEP3_RX_CTRL & ~USBFS_UEP_R_RES_MASK) | USBFS_UEP_R_RES_ACK;
}
break;
}
break;
/* Setup stage processing */
case USBFS_UIS_TOKEN_SETUP:
USBOTG_FS->UEP0_TX_CTRL = USBFS_UEP_T_TOG|USBFS_UEP_T_RES_NAK;
USBOTG_FS->UEP0_RX_CTRL = USBFS_UEP_R_TOG|USBFS_UEP_R_RES_NAK;
/* Store All Setup Values */
USBFS_SetupReqType = pUSBFS_SetupReqPak->bRequestType;
USBFS_SetupReqCode = pUSBFS_SetupReqPak->bRequest;
USBFS_SetupReqLen = pUSBFS_SetupReqPak->wLength;
USBFS_SetupReqValue = pUSBFS_SetupReqPak->wValue;
USBFS_SetupReqIndex = pUSBFS_SetupReqPak->wIndex;
len = 0;
errflag = 0;
if ( ( USBFS_SetupReqType & USB_REQ_TYP_MASK ) != USB_REQ_TYP_STANDARD )
{
/* usb non-standard request processing */
if (( USBFS_SetupReqType & USB_REQ_TYP_MASK ) == USB_REQ_TYP_CLASS)
{
if (USBFS_SetupReqCode == CMD_UDISK_GET_MAX_LUN)
{
USBFS_EP0_Buf[0] = 0;
pUSBFS_Descr = (uint8_t*)USBFS_EP0_Buf;
len = 1;
}
else if (USBFS_SetupReqCode == CMD_UDISK_RESET)
{
/* UDisk Reset */
Udisk_Sense_Key = 0x00;
Udisk_Sense_ASC = 0x00;
Udisk_CSW_Status = 0x00;
Udisk_Transfer_Status = 0x00;
UDISK_Transfer_DataLen = 0x00;
}
else
{
errflag = 0xFF;
}
}
else
{
errflag = 0xFF;
}
}
else
{
/* usb standard request processing */
switch( USBFS_SetupReqCode )
{
/* get device/configuration/string/report/... descriptors */
case USB_GET_DESCRIPTOR:
switch( (uint8_t)( USBFS_SetupReqValue >> 8 ) )
{
/* get usb device descriptor */
case USB_DESCR_TYP_DEVICE:
pUSBFS_Descr = MyDevDescr;
len = DEF_USBD_DEVICE_DESC_LEN;
break;
/* get usb configuration descriptor */
case USB_DESCR_TYP_CONFIG:
pUSBFS_Descr = MyCfgDescr;
len = DEF_USBD_CONFIG_DESC_LEN;
break;
/* get usb string descriptor */
case USB_DESCR_TYP_STRING:
switch( (uint8_t)( USBFS_SetupReqValue & 0xFF ) )
{
/* Descriptor 0, Language descriptor */
case DEF_STRING_DESC_LANG:
pUSBFS_Descr = MyLangDescr;
len = DEF_USBD_LANG_DESC_LEN;
break;
/* Descriptor 1, Manufacturers String descriptor */
case DEF_STRING_DESC_MANU:
pUSBFS_Descr = MyManuInfo;
len = DEF_USBD_MANU_DESC_LEN;
break;
/* Descriptor 2, Product String descriptor */
case DEF_STRING_DESC_PROD:
pUSBFS_Descr = MyProdInfo;
len = DEF_USBD_PROD_DESC_LEN;
break;
/* Descriptor 3, Serial-number String descriptor */
case DEF_STRING_DESC_SERN:
pUSBFS_Descr = MySerNumInfo;
len = DEF_USBD_SN_DESC_LEN;
break;
default:
errflag = 0xFF;
break;
}
break;
default :
errflag = 0xFF;
break;
}
/* Copy Descriptors to Endp0 DMA buffer */
if( USBFS_SetupReqLen>len )
{
USBFS_SetupReqLen = len;
}
len = (USBFS_SetupReqLen >= DEF_USBD_UEP0_SIZE) ? DEF_USBD_UEP0_SIZE : USBFS_SetupReqLen;
memcpy( USBFS_EP0_Buf, pUSBFS_Descr, len );
pUSBFS_Descr += len;
break;
/* Set usb address */
case USB_SET_ADDRESS:
USBFS_DevAddr = (uint8_t)( USBFS_SetupReqValue & 0xFF );
break;
/* Get usb configuration now set */
case USB_GET_CONFIGURATION:
USBFS_EP0_Buf[0] = USBFS_DevConfig;
if ( USBFS_SetupReqLen > 1 )
{
USBFS_SetupReqLen = 1;
}
break;
/* Set usb configuration to use */
case USB_SET_CONFIGURATION:
USBFS_DevConfig = (uint8_t)( USBFS_SetupReqValue & 0xFF );
USBFS_DevEnumStatus = 0x01;
break;
/* Clear or disable one usb feature */
case USB_CLEAR_FEATURE:
if ( ( USBFS_SetupReqType & USB_REQ_RECIP_MASK ) == USB_REQ_RECIP_DEVICE )
{
/* clear one device feature */
if( (uint8_t)( USBFS_SetupReqValue & 0xFF ) == USB_REQ_FEAT_REMOTE_WAKEUP )
{
/* clear usb sleep status, device not prepare to sleep */
USBFS_DevSleepStatus &= ~0x01;
}
}
else if( ( USBFS_SetupReqType & USB_REQ_RECIP_MASK ) == USB_REQ_RECIP_ENDP )
{
/* Clear End-point Feature */
if( (uint8_t)( USBFS_SetupReqValue & 0xFF ) == USB_REQ_FEAT_ENDP_HALT )
{
switch( (uint8_t)( USBFS_SetupReqIndex & 0xFF ) )
{
case ( DEF_UEP_IN | DEF_UEP2 ):
/* Set End-point 2 IN NAK */
USBOTG_FS->UEP2_TX_CTRL = USBFS_UEP_T_RES_NAK;
/* upload CSW */
if( Udisk_Transfer_Status & DEF_UDISK_CSW_UP_FLAG )
{
UDISK_Up_CSW( );
}
break;
case ( DEF_UEP_OUT | DEF_UEP3 ):
/* Set End-point 3 OUT ACK */
USBOTG_FS->UEP3_RX_CTRL = USBFS_UEP_R_RES_ACK;
/* upload CSW */
if( Udisk_Transfer_Status & DEF_UDISK_CSW_UP_FLAG )
{
UDISK_Up_CSW( );
}
break;
default:
errflag = 0xFF;
break;
}
}
else
{
errflag = 0xFF;
}
}
else
{
errflag = 0xFF;
}
break;
/* set or enable one usb feature */
case USB_SET_FEATURE:
if( ( USBFS_SetupReqType & USB_REQ_RECIP_MASK ) == USB_REQ_RECIP_DEVICE )
{
/* Set Device Feature */
if( (uint8_t)( USBFS_SetupReqValue & 0xFF ) == USB_REQ_FEAT_REMOTE_WAKEUP )
{
if( MyCfgDescr[ 7 ] & 0x20 )
{
/* Set Wake-up flag, device prepare to sleep */
USBFS_DevSleepStatus |= 0x01;
}
else
{
errflag = 0xFF;
}
}
else
{
errflag = 0xFF;
}
}
else if( ( USBFS_SetupReqType & USB_REQ_RECIP_MASK ) == USB_REQ_RECIP_ENDP )
{
/* Set End-point Feature */
if( (uint8_t)( USBFS_SetupReqValue & 0xFF ) == USB_REQ_FEAT_ENDP_HALT )
{
/* Set end-points status stall */
switch( (uint8_t)( USBFS_SetupReqIndex & 0xFF ) )
{
case ( DEF_UEP_IN | DEF_UEP2 ):
/* Set End-point 2 IN STALL */
USBOTG_FS->UEP2_TX_CTRL = ( USBOTG_FS->UEP2_TX_CTRL & ~USBFS_UEP_T_RES_MASK ) | USBFS_UEP_T_RES_STALL;
break;
case ( DEF_UEP_OUT | DEF_UEP3 ):
/* Set End-point 3 OUT STALL */
USBOTG_FS->UEP3_RX_CTRL = ( USBOTG_FS->UEP3_RX_CTRL & ~USBFS_UEP_R_RES_MASK ) | USBFS_UEP_R_RES_STALL;
break;
default:
errflag = 0xFF;
break;
}
}
else
{
errflag = 0xFF;
}
}
else
{
errflag = 0xFF;
}
break;
/* This request allows the host to select another setting for the specified interface */
case USB_GET_INTERFACE:
USBFS_EP0_Buf[0] = 0x00;
if ( USBFS_SetupReqLen > 1 )
{
USBFS_SetupReqLen = 1;
}
break;
case USB_SET_INTERFACE:
break;
/* host get status of specified device/interface/end-points */
case USB_GET_STATUS:
USBFS_EP0_Buf[ 0 ] = 0x00;
USBFS_EP0_Buf[ 1 ] = 0x00;
if ( ( USBFS_SetupReqType & USB_REQ_RECIP_MASK ) == USB_REQ_RECIP_DEVICE )
{
if( USBFS_DevSleepStatus & 0x01 )
{
USBFS_EP0_Buf[ 0 ] = 0x02;
}
}
else if( ( USBFS_SetupReqType & USB_REQ_RECIP_MASK ) == USB_REQ_RECIP_ENDP )
{
switch( (uint8_t)( USBFS_SetupReqIndex & 0xFF ) )
{
case ( DEF_UEP_IN | DEF_UEP2 ):
if( ( (USBOTG_FS->UEP2_TX_CTRL) & USBFS_UEP_T_RES_MASK ) == USBFS_UEP_T_RES_STALL )
{
USBFS_EP0_Buf[ 0 ] = 0x01;
}
break;
case ( DEF_UEP_OUT | DEF_UEP3 ):
if( ( (USBOTG_FS->UEP3_RX_CTRL) & USBFS_UEP_R_RES_MASK ) == USBFS_UEP_R_RES_STALL )
{
USBFS_EP0_Buf[ 0 ] = 0x01;
}
break;
default:
errflag = 0xFF;
break;
}
}
else
{
errflag = 0xFF;
}
if( USBFS_SetupReqLen > 2 )
{
USBFS_SetupReqLen = 2;
}
break;
default:
errflag = 0xFF;
break;
}
}
/* errflag = 0xFF means a request not support or some errors occurred, else correct */
if( errflag == 0xFF)
{
/* if one request not support, return stall */
USBOTG_FS->UEP0_TX_CTRL = USBFS_UEP_T_TOG|USBFS_UEP_T_RES_STALL;
USBOTG_FS->UEP0_RX_CTRL = USBFS_UEP_R_TOG|USBFS_UEP_R_RES_STALL;
}
else
{
/* end-point 0 data Tx/Rx */
if( USBFS_SetupReqType & DEF_UEP_IN )
{
/* tx */
len = (USBFS_SetupReqLen>DEF_USBD_UEP0_SIZE) ? DEF_USBD_UEP0_SIZE : USBFS_SetupReqLen;
USBFS_SetupReqLen -= len;
USBOTG_FS->UEP0_TX_LEN = len;
USBOTG_FS->UEP0_TX_CTRL = USBFS_UEP_T_TOG|USBFS_UEP_T_RES_ACK;
}
else
{
/* rx */
if( USBFS_SetupReqLen == 0 )
{
USBOTG_FS->UEP0_TX_LEN = 0;
USBOTG_FS->UEP0_TX_CTRL = USBFS_UEP_T_TOG|USBFS_UEP_T_RES_ACK;
}
else
{
USBOTG_FS->UEP0_RX_CTRL = USBFS_UEP_R_TOG|USBFS_UEP_R_RES_ACK;
}
}
}
break;
/* Sof pack processing */
case USBFS_UIS_TOKEN_SOF:
break;
default :
break;
}
USBOTG_FS->INT_FG = USBFS_UIF_TRANSFER;
}
else if( intflag & USBFS_UIF_BUS_RST )
{
/* usb reset interrupt processing */
USBFS_DevConfig = 0;
USBFS_DevAddr = 0;
USBFS_DevSleepStatus = 0;
USBFS_DevEnumStatus = 0;
USBOTG_FS->DEV_ADDR = 0;
USBFS_Device_Endp_Init( );
USBOTG_FS->INT_FG = USBFS_UIF_BUS_RST;
}
else if( intflag & USBFS_UIF_SUSPEND )
{
/* usb suspend interrupt processing */
USBOTG_FS->INT_FG = USBFS_UIF_SUSPEND;
if ( USBOTG_FS->MIS_ST & USBFS_UMS_SUSPEND )
{
USBFS_DevSleepStatus |= 0x02;
if( USBFS_DevSleepStatus == 0x03 )
{
/* Handling usb sleep here */
}
}
else
{
USBFS_DevSleepStatus &= ~0x02;
}
}
else
{
/* other interrupts */
USBOTG_FS->INT_FG = intflag;
}
}
/*********************************************************************
* @fn USBFS_Send_Resume
*
* @brief USBFS device sends wake-up signal to host
*
* @return none
*/
void USBFS_Send_Resume(void)
{
USBOTG_FS->UDEV_CTRL ^= USBFS_UD_LOW_SPEED;
Delay_Ms( 5 );
USBOTG_FS->UDEV_CTRL ^= USBFS_UD_LOW_SPEED;
Delay_Ms( 1 );
}
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/ch32v20x_usbfs_device.h
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v20x_usbfs_device.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/20
* Description : This file contains all the functions prototypes for the
* USBOTG firmware library.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __CH32V20X_USBFS_DEVICE_H_
#define __CH32V20X_USBFS_DEVICE_H_
#include "debug.h"
#include "string.h"
#include "usb_desc.h"
#include "ch32v20x_usb.h"
/******************************************************************************/
/* Global Define */
#ifndef __PACKED
#define __PACKED __attribute__((packed))
#endif
/* end-point number */
#define DEF_UEP_IN 0x80
#define DEF_UEP_OUT 0x00
#define DEF_UEP0 0x00
#define DEF_UEP1 0x01
#define DEF_UEP2 0x02
#define DEF_UEP3 0x03
#define DEF_UEP4 0x04
#define DEF_UEP5 0x05
#define DEF_UEP6 0x06
#define DEF_UEP7 0x07
#define DEF_UEP_NUM 8
#define USBFSD_UEP_MOD_BASE 0x5000000C
#define USBFSD_UEP_DMA_BASE 0x50000010
#define USBFSD_UEP_LEN_BASE 0x50000030
#define USBFSD_UEP_CTL_BASE 0x50000032
#define USBFSD_UEP_RX_EN 0x08
#define USBFSD_UEP_TX_EN 0x04
#define USBFSD_UEP_BUF_MOD 0x01
#define DEF_UEP_DMA_LOAD 0 /* Direct the DMA address to the data to be processed */
#define DEF_UEP_CPY_LOAD 1 /* Use memcpy to move data to a buffer */
#define USBFSD_UEP_MOD(n) (*((volatile uint8_t *)(USBFSD_UEP_MOD_BASE+n)))
#define USBFSD_UEP_CTRL(n) (*((volatile uint8_t *)(USBFSD_UEP_CTL_BASE+n*0x04)))
#define USBFSD_UEP_DMA(n) (*((volatile uint32_t *)(USBFSD_UEP_DMA_BASE+n*0x04)))
#define USBFSD_UEP_BUF(n) ((uint8_t *)(*((volatile uint32_t *)(USBFSD_UEP_DMA_BASE+n*0x04)))+0x20000000)
#define USBFSD_UEP_TLEN(n) (*((volatile uint16_t *)(USBFSD_UEP_LEN_BASE+n*0x04)))
/* Setup Request Packets */
#define pUSBFS_SetupReqPak ((PUSB_SETUP_REQ)USBFS_EP0_Buf)
/*******************************************************************************/
/* Variable Definition */
/* Global */
extern const uint8_t *pUSBFS_Descr;
/* Setup Request */
extern volatile uint8_t USBFS_SetupReqCode;
extern volatile uint8_t USBFS_SetupReqType;
extern volatile uint16_t USBFS_SetupReqValue;
extern volatile uint16_t USBFS_SetupReqIndex;
extern volatile uint16_t USBFS_SetupReqLen;
/* USB Device Status */
extern volatile uint8_t USBFS_DevConfig;
extern volatile uint8_t USBFS_DevAddr;
extern volatile uint8_t USBFS_DevSleepStatus;
extern volatile uint8_t USBFS_DevEnumStatus;
/* Endpoint Buffer */
extern __attribute__ ((aligned(4))) uint8_t USBFS_EP0_Buf[ ];
/* USB IN Endpoint Busy Flag */
extern volatile uint8_t USBFS_Endp_Busy[ ];
/******************************************************************************/
/* external functions */
extern void USBFS_Device_Init( FunctionalState sta );
extern void USBFS_Device_Endp_Init(void);
extern void USBFS_RCC_Init(void);
extern void USBFS_Send_Resume(void);
extern void USBFS_Sleep_Wakeup_Operate(void);
extern uint8_t USBFS_Endp_DataUp(uint8_t endp, uint8_t *pbuf, uint16_t len, uint8_t mod);
#endif /* USER_CH32V20X_USB_DEVICE_H_ */
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/main.c
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/********************************** (C) COPYRIGHT *******************************
* File Name : main.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/20
* Description : Main program body.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
/* @Note
* UDisk Example:
* This program provides examples of UDisk.Supports external SPI Flash and internal
* Flash, selected by STORAGE_MEDIUM at SW_UDISK.h.
* */
#include "ch32v20x_usbfs_device.h"
#include "debug.h"
#include "Internal_Flash.h"
#include "SPI_FLASH.h"
#include "SW_UDISK.h"
/*********************************************************************
* @fn main
*
* @brief Main program.
*
* @return none
*/
int main(void)
{
Delay_Init();
USART_Printf_Init(115200);
printf("SystemClk:%d\r\n",SystemCoreClock);
Delay_Ms( 10 );
#if (STORAGE_MEDIUM == MEDIUM_SPI_FLASH)
printf("USBD UDisk Demo\r\nStorage Medium: SPI FLASH \r\n");
/* SPI flash init */
FLASH_Port_Init( );
/* FLASH ID check */
FLASH_IC_Check( );
#elif (STORAGE_MEDIUM == MEDIUM_INTERAL_FLASH)
printf("USBD UDisk Demo\r\nStorage Medium: INTERNAL FLASH \r\n");
Flash_Sector_Count = IFLASH_UDISK_SIZE / DEF_UDISK_SECTOR_SIZE;
Flash_Sector_Size = DEF_UDISK_SECTOR_SIZE;
#endif
/* Enable Udisk */
Udisk_Capability = Flash_Sector_Count;
Udisk_Status |= DEF_UDISK_EN_FLAG;
/* Usb Init */
USBFS_RCC_Init( );
USBFS_Device_Init( ENABLE );
NVIC_EnableIRQ(USBHD_IRQn);
while(1)
{
;
}
}
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/system_ch32v20x.c
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/********************************** (C) COPYRIGHT *******************************
* File Name : system_ch32v20x.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : CH32V20x Device Peripheral Access Layer System Source File.
* For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
* For HSE = 8Mhz (other CH32V203x)
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v20x.h"
/*
* Uncomment the line corresponding to the desired System clock (SYSCLK) frequency (after
* reset the HSI is used as SYSCLK source).
* If none of the define below is enabled, the HSI is used as System clock source.
*/
//#define SYSCLK_FREQ_HSE HSE_VALUE
//#define SYSCLK_FREQ_48MHz_HSE 48000000
//#define SYSCLK_FREQ_56MHz_HSE 56000000
//#define SYSCLK_FREQ_72MHz_HSE 72000000
#define SYSCLK_FREQ_96MHz_HSE 96000000
//#define SYSCLK_FREQ_120MHz_HSE 120000000
//#define SYSCLK_FREQ_144MHz_HSE 144000000
//#define SYSCLK_FREQ_HSI HSI_VALUE
//#define SYSCLK_FREQ_48MHz_HSI 48000000
//#define SYSCLK_FREQ_56MHz_HSI 56000000
//#define SYSCLK_FREQ_72MHz_HSI 72000000
//#define SYSCLK_FREQ_96MHz_HSI 96000000
//#define SYSCLK_FREQ_120MHz_HSI 120000000
//#define SYSCLK_FREQ_144MHz_HSI 144000000
/* Clock Definitions */
#ifdef SYSCLK_FREQ_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_48MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_56MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_72MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_96MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_120MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_144MHz_HSE
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSE; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_48MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_48MHz_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_56MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_56MHz_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_72MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_72MHz_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_96MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_96MHz_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_120MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_120MHz_HSI; /* System Clock Frequency (Core Clock) */
#elif defined SYSCLK_FREQ_144MHz_HSI
uint32_t SystemCoreClock = SYSCLK_FREQ_144MHz_HSI; /* System Clock Frequency (Core Clock) */
#else
uint32_t SystemCoreClock = HSI_VALUE; /* System Clock Frequency (Core Clock) */
#endif
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
/* system_private_function_proto_types */
static void SetSysClock(void);
#ifdef SYSCLK_FREQ_HSE
static void SetSysClockToHSE( void );
#elif defined SYSCLK_FREQ_48MHz_HSE
static void SetSysClockTo48_HSE( void );
#elif defined SYSCLK_FREQ_56MHz_HSE
static void SetSysClockTo56_HSE( void );
#elif defined SYSCLK_FREQ_72MHz_HSE
static void SetSysClockTo72_HSE( void );
#elif defined SYSCLK_FREQ_96MHz_HSE
static void SetSysClockTo96_HSE( void );
#elif defined SYSCLK_FREQ_120MHz_HSE
static void SetSysClockTo120_HSE( void );
#elif defined SYSCLK_FREQ_144MHz_HSE
static void SetSysClockTo144_HSE( void );
#elif defined SYSCLK_FREQ_48MHz_HSI
static void SetSysClockTo48_HSI( void );
#elif defined SYSCLK_FREQ_56MHz_HSI
static void SetSysClockTo56_HSI( void );
#elif defined SYSCLK_FREQ_72MHz_HSI
static void SetSysClockTo72_HSI( void );
#elif defined SYSCLK_FREQ_96MHz_HSI
static void SetSysClockTo96_HSI( void );
#elif defined SYSCLK_FREQ_120MHz_HSI
static void SetSysClockTo120_HSI( void );
#elif defined SYSCLK_FREQ_144MHz_HSI
static void SetSysClockTo144_HSI( void );
#endif
/*********************************************************************
* @fn SystemInit
*
* @brief Setup the microcontroller system Initialize the Embedded Flash Interface,
* the PLL and update the SystemCoreClock variable.
*
* @return none
*/
void SystemInit (void)
{
RCC->CTLR |= (uint32_t)0x00000001;
RCC->CFGR0 &= (uint32_t)0xF8FF0000;
RCC->CTLR &= (uint32_t)0xFEF6FFFF;
RCC->CTLR &= (uint32_t)0xFFFBFFFF;
RCC->CFGR0 &= (uint32_t)0xFF80FFFF;
RCC->INTR = 0x009F0000;
SetSysClock();
}
/*********************************************************************
* @fn SystemCoreClockUpdate
*
* @brief Update SystemCoreClock variable according to Clock Register Values.
*
* @return none
*/
void SystemCoreClockUpdate (void)
{
uint32_t tmp = 0, pllmull = 0, pllsource = 0, Pll_6_5 = 0;
tmp = RCC->CFGR0 & RCC_SWS;
switch (tmp)
{
case 0x00:
SystemCoreClock = HSI_VALUE;
break;
case 0x04:
SystemCoreClock = HSE_VALUE;
break;
case 0x08:
pllmull = RCC->CFGR0 & RCC_PLLMULL;
pllsource = RCC->CFGR0 & RCC_PLLSRC;
pllmull = ( pllmull >> 18) + 2;
if(pllmull == 17) pllmull = 18;
if (pllsource == 0x00)
{
if(EXTEN->EXTEN_CTR & EXTEN_PLL_HSI_PRE){
SystemCoreClock = HSI_VALUE * pllmull;
}
else{
SystemCoreClock = (HSI_VALUE >> 1) * pllmull;
}
}
else
{
#if defined (CH32V20x_D8W)
if((RCC->CFGR0 & (3<<22)) == (3<<22))
{
SystemCoreClock = ((HSE_VALUE>>1)) * pllmull;
}
else
#endif
if ((RCC->CFGR0 & RCC_PLLXTPRE) != (uint32_t)RESET)
{
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
SystemCoreClock = ((HSE_VALUE>>2) >> 1) * pllmull;
#else
SystemCoreClock = (HSE_VALUE >> 1) * pllmull;
#endif
}
else
{
#if defined (CH32V20x_D8) || defined (CH32V20x_D8W)
SystemCoreClock = (HSE_VALUE>>2) * pllmull;
#else
SystemCoreClock = HSE_VALUE * pllmull;
#endif
}
}
if(Pll_6_5 == 1) SystemCoreClock = (SystemCoreClock / 2);
break;
default:
SystemCoreClock = HSI_VALUE;
break;
}
tmp = AHBPrescTable[((RCC->CFGR0 & RCC_HPRE) >> 4)];
SystemCoreClock >>= tmp;
}
/*********************************************************************
* @fn SetSysClock
*
* @brief Configures the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClock(void)
{
#ifdef SYSCLK_FREQ_HSE
SetSysClockToHSE();
#elif defined SYSCLK_FREQ_48MHz_HSE
SetSysClockTo48_HSE();
#elif defined SYSCLK_FREQ_56MHz_HSE
SetSysClockTo56_HSE();
#elif defined SYSCLK_FREQ_72MHz_HSE
SetSysClockTo72_HSE();
#elif defined SYSCLK_FREQ_96MHz_HSE
SetSysClockTo96_HSE();
#elif defined SYSCLK_FREQ_120MHz_HSE
SetSysClockTo120_HSE();
#elif defined SYSCLK_FREQ_144MHz_HSE
SetSysClockTo144_HSE();
#elif defined SYSCLK_FREQ_48MHz_HSI
SetSysClockTo48_HSI();
#elif defined SYSCLK_FREQ_56MHz_HSI
SetSysClockTo56_HSI();
#elif defined SYSCLK_FREQ_72MHz_HSI
SetSysClockTo72_HSI();
#elif defined SYSCLK_FREQ_96MHz_HSI
SetSysClockTo96_HSI();
#elif defined SYSCLK_FREQ_120MHz_HSI
SetSysClockTo120_HSI();
#elif defined SYSCLK_FREQ_144MHz_HSI
SetSysClockTo144_HSI();
#endif
/* If none of the define above is enabled, the HSI is used as System clock
* source (default after reset)
*/
}
#ifdef SYSCLK_FREQ_HSE
/*********************************************************************
* @fn SetSysClockToHSE
*
* @brief Sets HSE as System clock source and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockToHSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV1;
/* Select HSE as system clock source
* CH32V20x_D6 (HSE=8MHZ)
* CH32V20x_D8 (HSE=32MHZ)
* CH32V20x_D8W (HSE=32MHZ)
*/
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_HSE;
/* Wait till HSE is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x04)
{
}
}
else
{
/* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_48MHz_HSE
/*********************************************************************
* @fn SetSysClockTo48_HSE
*
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo48_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 6 = 48 MHz (HSE=8MHZ)
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 6 = 48 MHz (HSE=32MHZ)
*/
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL6);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_56MHz_HSE
/*********************************************************************
* @fn SetSysClockTo56_HSE
*
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo56_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 7 = 56 MHz (HSE=8MHZ)
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 7 = 56 MHz (HSE=32MHZ)
*/
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL7);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_72MHz_HSE
/*********************************************************************
* @fn SetSysClockTo72_HSE
*
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo72_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 9 = 72 MHz (HSE=8MHZ)
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 9 = 72 MHz (HSE=32MHZ)
*/
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL9);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_96MHz_HSE
/*********************************************************************
* @fn SetSysClockTo96_HSE
*
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo96_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 12 = 96 MHz (HSE=8MHZ)
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 12 = 96 MHz (HSE=32MHZ)
*/
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL12);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_120MHz_HSE
/*********************************************************************
* @fn SetSysClockTo120_HSE
*
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo120_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if(HSEStatus == (uint32_t)0x01)
{
#if defined (CH32V20x_D8W)
RCC->CFGR0 |= (uint32_t)(3<<22);
/* HCLK = SYSCLK/2 */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV2;
#else
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
#endif
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 15 = 120 MHz (HSE=8MHZ)
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 15 = 120 MHz (HSE=32MHZ)
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/2 * 15 = 240 MHz (HSE=32MHZ)
*/
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL15);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_144MHz_HSE
/*********************************************************************
* @fn SetSysClockTo144_HSE
*
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo144_HSE(void)
{
__IO uint32_t StartUpCounter = 0, HSEStatus = 0;
RCC->CTLR |= ((uint32_t)RCC_HSEON);
/* Wait till HSE is ready and if Time out is reached exit */
do
{
HSEStatus = RCC->CTLR & RCC_HSERDY;
StartUpCounter++;
} while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
if ((RCC->CTLR & RCC_HSERDY) != RESET)
{
HSEStatus = (uint32_t)0x01;
}
else
{
HSEStatus = (uint32_t)0x00;
}
if (HSEStatus == (uint32_t)0x01)
{
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* CH32V20x_D6-PLL configuration: PLLCLK = HSE * 18 = 144 MHz (HSE=8MHZ)
* CH32V20x_D8-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
* CH32V20x_D8W-PLL configuration: PLLCLK = HSE/4 * 18 = 144 MHz (HSE=32MHZ)
*/
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE |
RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSE | RCC_PLLXTPRE_HSE | RCC_PLLMULL18);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
else
{
/*
* If HSE fails to start-up, the application will have wrong clock
* configuration. User can add here some code to deal with this error
*/
}
}
#elif defined SYSCLK_FREQ_48MHz_HSI
/*********************************************************************
* @fn SetSysClockTo48_HSI
*
* @brief Sets System clock frequency to 48MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo48_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 6 = 48 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL6);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#elif defined SYSCLK_FREQ_56MHz_HSI
/*********************************************************************
* @fn SetSysClockTo56_HSI
*
* @brief Sets System clock frequency to 56MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo56_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 7 = 48 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL7);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#elif defined SYSCLK_FREQ_72MHz_HSI
/*********************************************************************
* @fn SetSysClockTo72_HSI
*
* @brief Sets System clock frequency to 72MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo72_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 9 = 72 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL9);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#elif defined SYSCLK_FREQ_96MHz_HSI
/*********************************************************************
* @fn SetSysClockTo96_HSI
*
* @brief Sets System clock frequency to 96MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo96_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 12 = 96 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL12);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#elif defined SYSCLK_FREQ_120MHz_HSI
/*********************************************************************
* @fn SetSysClockTo120_HSI
*
* @brief Sets System clock frequency to 120MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo120_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 15 = 120 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_PLLSRC | RCC_PLLXTPRE |
RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL15);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t) ~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#elif defined SYSCLK_FREQ_144MHz_HSI
/*********************************************************************
* @fn SetSysClockTo144_HSI
*
* @brief Sets System clock frequency to 144MHz and configure HCLK, PCLK2 and PCLK1 prescalers.
*
* @return none
*/
static void SetSysClockTo144_HSI(void)
{
EXTEN->EXTEN_CTR |= EXTEN_PLL_HSI_PRE;
/* HCLK = SYSCLK */
RCC->CFGR0 |= (uint32_t)RCC_HPRE_DIV1;
/* PCLK2 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE2_DIV1;
/* PCLK1 = HCLK */
RCC->CFGR0 |= (uint32_t)RCC_PPRE1_DIV2;
/* PLL configuration: PLLCLK = HSI * 18 = 144 MHz */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_PLLSRC | RCC_PLLXTPRE | RCC_PLLMULL));
RCC->CFGR0 |= (uint32_t)(RCC_PLLSRC_HSI_Div2 | RCC_PLLMULL18);
/* Enable PLL */
RCC->CTLR |= RCC_PLLON;
/* Wait till PLL is ready */
while((RCC->CTLR & RCC_PLLRDY) == 0)
{
}
/* Select PLL as system clock source */
RCC->CFGR0 &= (uint32_t)((uint32_t)~(RCC_SW));
RCC->CFGR0 |= (uint32_t)RCC_SW_PLL;
/* Wait till PLL is used as system clock source */
while ((RCC->CFGR0 & (uint32_t)RCC_SWS) != (uint32_t)0x08)
{
}
}
#endif
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/system_ch32v20x.h
+32
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@@ -0,0 +1,32 @@
/********************************** (C) COPYRIGHT *******************************
* File Name : system_ch32v20x.h
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : CH32V20x Device Peripheral Access Layer System Header File.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef __SYSTEM_ch32v20x_H
#define __SYSTEM_ch32v20x_H
#ifdef __cplusplus
extern "C" {
#endif
extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
/* System_Exported_Functions */
extern void SystemInit(void);
extern void SystemCoreClockUpdate(void);
#ifdef __cplusplus
}
#endif
#endif /*__CH32V20x_SYSTEM_H */
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/usb_desc.c
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/********************************** (C) COPYRIGHT *******************************
* File Name : usb_desc.c
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/20
* Description : usb device descriptor,configuration descriptor,
* string descriptors and other descriptors.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "usb_desc.h"
/* Device Descriptor */
const uint8_t MyDevDescr[] =
{
0x12, // bLength
0x01, // bDescriptorType (Device)
0x00, 0x02, // bcdUSB 2.00
0x00, // bDeviceClass (Use class information in the Interface Descriptors)
0x00, // bDeviceSubClass
0x00, // bDeviceProtocol
DEF_USBD_UEP0_SIZE, // bMaxPacketSize0 64
(uint8_t)DEF_USB_VID, (uint8_t)(DEF_USB_VID >> 8), // idVendor 0x1A86
(uint8_t)DEF_USB_PID, (uint8_t)(DEF_USB_PID >> 8), // idProduct 0xFE10
DEF_IC_PRG_VER, 0x00, // bcdDevice 0.01
0x01, // iManufacturer (String Index)
0x02, // iProduct (String Index)
0x00, // iSerialNumber (String Index)
0x01, // bNumConfigurations 1
};
/* Configuration Descriptor */
const uint8_t MyCfgDescr[] =
{
/* Configuration Descriptor */
0x09, // bLength
0x02, // bDescriptorType (Configuration)
0x20, 0x00, // wTotalLength 32
0x01, // bNumInterfaces 1
0x01, // bConfigurationValue
0x00, // iConfiguration (String Index)
0xC0, // bmAttributes Self Powered
0x32, // bMaxPower 100mA
/*****************************************************************/
/* Interface Descriptor(UDisk) */
0x09, // bLength
0x04, // bDescriptorType (Interface)
0x00, // bInterfaceNumber 0
0x00, // bAlternateSetting
0x02, // bNumEndpoints 2
0x08, // bInterfaceClass
0x06, // bInterfaceSubClass
0x50, // bInterfaceProtocol
0x00, // iInterface (String Index)
/* Endpoint Descriptor */
0x07, // bLength
0x05, // bDescriptorType (Endpoint)
0x82, // bEndpointAddress (IN/D2H)
0x02, // bmAttributes (Bulk)
0x40, 0x00, // wMaxPacketSize 64
0x00, // bInterval 0 (unit depends on device speed)
/* Endpoint Descriptor */
0x07, // bLength
0x05, // bDescriptorType (Endpoint)
0x03, // bEndpointAddress (OUT/H2D)
0x02, // bmAttributes (Bulk)
0x40, 0x00, // wMaxPacketSize 64
0x00, // bInterval 0 (unit depends on device speed)
};
/* Language Descriptor */
const uint8_t MyLangDescr[] =
{
0x04, 0x03, 0x09, 0x04
};
/* Manufacturer Descriptor */
const uint8_t MyManuInfo[] =
{
0x0E, 0x03, 'w', 0, 'c', 0, 'h', 0, '.', 0, 'c', 0, 'n', 0
};
/* Product Information */
const uint8_t MyProdInfo[] =
{
0x16, 0x03, 'C', 0, 'H', 0, '2', 0, '0', 0, 'x', 0, 'U', 0
, 'D', 0, 'i', 0, 's', 0, 'k', 0,
};
/* Serial Number Information */
const uint8_t MySerNumInfo[] =
{
0x16, 0x03, '0', 0, '1', 0, '2', 0, '3', 0, '4', 0, '5', 0
, '6', 0, '7', 0, '8', 0, '9', 0
};
EVT/EXAM/USB/USBFS/DEVICE/MSC_U-Disk/User/usb_desc.h
+67
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/********************************** (C) COPYRIGHT *******************************
* File Name : usb_desc.h
* Author : WCH
* Version : V1.0.0
* Date : 2022/08/20
* Description : header file of usb_desc.c
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#ifndef USER_USB_DESC_H_
#define USER_USB_DESC_H_
#include "debug.h"
/******************************************************************************/
/* global define */
/* file version */
#define DEF_FILE_VERSION 0x01
/* usb device info define */
#define DEF_USB_VID 0x1A86
#define DEF_USB_PID 0xFE10
/* USB device descriptor, device serial number(bcdDevice) */
#define DEF_IC_PRG_VER DEF_FILE_VERSION
/******************************************************************************/
/* usb device endpoint size define */
#define DEF_USBD_UEP0_SIZE 64 /* usb hs/fs device end-point 0 size */
/* FS */
#define DEF_USBD_FS_PACK_SIZE 64 /* usb fs device max bluk/int pack size */
#define DEF_USBD_FS_ISO_PACK_SIZE 1023 /* usb fs device max iso pack size */
/* LS */
#define DEF_USBD_LS_UEP0_SIZE 8 /* usb ls device end-point 0 size */
#define DEF_USBD_LS_PACK_SIZE 64 /* usb ls device max int pack size */
/* Pack size */
#define DEF_USBD_ENDP1_SIZE DEF_USBD_FS_PACK_SIZE
#define DEF_USBD_ENDP2_SIZE DEF_USBD_FS_PACK_SIZE
#define DEF_USBD_ENDP3_SIZE DEF_USBD_FS_PACK_SIZE
#define DEF_USBD_ENDP4_SIZE DEF_USBD_FS_PACK_SIZE
#define DEF_USBD_ENDP5_SIZE DEF_USBD_FS_PACK_SIZE
#define DEF_USBD_ENDP6_SIZE DEF_USBD_FS_PACK_SIZE
#define DEF_USBD_ENDP7_SIZE DEF_USBD_FS_PACK_SIZE
/******************************************************************************/
/* usb device Descriptor length, length of usb descriptors, if one descriptor not
* exists , set the length to 0 */
#define DEF_USBD_DEVICE_DESC_LEN ((uint8_t)MyDevDescr[0])
#define DEF_USBD_CONFIG_DESC_LEN ((uint16_t)MyCfgDescr[2] + (uint16_t)(MyCfgDescr[3] << 8))
#define DEF_USBD_REPORT_DESC_LEN 0
#define DEF_USBD_LANG_DESC_LEN ((uint16_t)MyLangDescr[0])
#define DEF_USBD_MANU_DESC_LEN ((uint16_t)MyManuInfo[0])
#define DEF_USBD_PROD_DESC_LEN ((uint16_t)MyProdInfo[0])
#define DEF_USBD_SN_DESC_LEN ((uint16_t)MySerNumInfo[0])
/******************************************************************************/
/* external variables */
extern const uint8_t MyDevDescr[ ];
extern const uint8_t MyCfgDescr[ ];
extern const uint8_t MyLangDescr[ ];
extern const uint8_t MyManuInfo[ ];
extern const uint8_t MyProdInfo[ ];
extern const uint8_t MySerNumInfo[ ];
#endif /* USER_USB_DESC_H_ */