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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/USBD/MSC_CD-ROM/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