106 lines
7.2 KiB
C
106 lines
7.2 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : UART.H
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* Author : WCH
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* Version : V1.01
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* Date : 2022/12/13
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* Description : UART communication-related headers
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*******************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __UART_H__
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#define __UART_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "stdio.h"
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#include "string.h"
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#include "debug.h"
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#include "string.h"
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/******************************************************************************/
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/* Related macro definitions */
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/* Serial buffer related definitions */
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#define DEF_UARTx_RX_BUF_LEN ( 4 * 512 ) /* Serial x receive buffer size */
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#define DEF_UARTx_TX_BUF_LEN ( 2 * 512 ) /* Serial x transmit buffer size */
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#define DEF_USB_FS_PACK_LEN 64 /* USB full speed mode packet size for serial x data */
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#define DEF_UARTx_TX_BUF_NUM_MAX ( DEF_UARTx_TX_BUF_LEN / DEF_USB_FS_PACK_LEN ) /* Serial x transmit buffer size */
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/* Serial port receive timeout related macro definition */
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#define DEF_UARTx_BAUDRATE 115200 /* Default baud rate for serial port */
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#define DEF_UARTx_STOPBIT 0 /* Default stop bit for serial port */
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#define DEF_UARTx_PARITY 0 /* Default parity bit for serial port */
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#define DEF_UARTx_DATABIT 8 /* Default data bit for serial port */
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#define DEF_UARTx_RX_TIMEOUT 30 /* Serial port receive timeout, in 100uS */
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#define DEF_UARTx_USB_UP_TIMEOUT 60000 /* Serial port receive upload timeout, in 100uS */
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/* Serial port transceiver DMA channel related macro definition */
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#define DEF_UART2_TX_DMA_CH DMA1_Channel7 /* Serial 2 transmit channel DMA channel */
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#define DEF_UART2_RX_DMA_CH DMA1_Channel6 /* Serial 1 transmit channel DMA channel */
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/************************************************************/
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/* Serial port X related structure definition */
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typedef struct __attribute__((packed)) _UART_CTL
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{
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uint16_t Rx_LoadPtr; /* Serial x data receive buffer load pointer */
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uint16_t Rx_DealPtr; /* Pointer to serial x data receive buffer processing */
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volatile uint16_t Rx_RemainLen; /* Remaining unprocessed length of the serial x data receive buffer */
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uint8_t Rx_TimeOut; /* Serial x data receive timeout */
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uint8_t Rx_TimeOutMax; /* Serial x data receive timeout maximum */
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volatile uint16_t Tx_LoadNum; /* Serial x data send buffer load number */
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volatile uint16_t Tx_DealNum; /* Serial x data send buffer processing number */
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volatile uint16_t Tx_RemainNum; /* Serial x data send buffer remaining unprocessed number */
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volatile uint16_t Tx_PackLen[ DEF_UARTx_TX_BUF_NUM_MAX ]; /* The current packet length of the serial x data send buffer */
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uint8_t Tx_Flag; /* Serial x data send status */
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uint8_t Recv1;
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uint16_t Tx_CurPackLen; /* The current packet length sent by serial port x */
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uint16_t Tx_CurPackPtr; /* Pointer to the packet currently being sent by serial port x */
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uint8_t USB_Up_IngFlag; /* Serial xUSB packet being uploaded flag */
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uint8_t Recv2;
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uint16_t USB_Up_TimeOut; /* Serial xUSB packet upload timeout timer */
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uint8_t USB_Up_Pack0_Flag; /* Serial xUSB data needs to upload 0-length packet flag */
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uint8_t USB_Down_StopFlag; /* Serial xUSB packet stop down flag */
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uint8_t Com_Cfg[ 8 ]; /* Serial x parameter configuration (default baud rate is 115200, 1 stop bit, no parity, 8 data bits) */
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uint8_t Recv3;
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uint8_t USB_Int_UpFlag; /* Serial x interrupt upload status */
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uint16_t USB_Int_UpTimeCount; /* Serial x interrupt upload timing */
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}UART_CTL, *PUART_CTL;
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/***********************************************************************************************************************/
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/* Constant, variable extents */
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/* The following are serial port transmit and receive related variables and buffers */
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extern volatile UART_CTL Uart; /* Serial x control related structure */
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extern volatile uint32_t UARTx_Rx_DMACurCount; /* Serial x receive DMA current count */
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extern volatile uint32_t UARTx_Rx_DMALastCount; /* last count of DMA received by serial x */
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extern __attribute__ ((aligned(4))) uint8_t UART2_Tx_Buf[ DEF_UARTx_TX_BUF_LEN ]; /* Serial x transmit buffer */
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extern __attribute__ ((aligned(4))) uint8_t UART2_Rx_Buf[ DEF_UARTx_RX_BUF_LEN ]; /* Serial x transmit buffer */
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/***********************************************************************************************************************/
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/* Function extensibility */
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extern uint8_t RCC_Configuration( void );
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extern void TIM2_Init( void );
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extern void UART2_CfgInit( uint32_t baudrate, uint8_t stopbits, uint8_t parity ); /* UART1 initialization */
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extern void UART2_ParaInit( uint8_t mode ); /* Serial port parameter initialization */
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extern void UART2_DMAInit( uint8_t type, uint8_t *pbuf, uint32_t len ); /* Serial port 1-related DMA initialization */
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extern void UART2_Init( uint8_t mode, uint32_t baudrate, uint8_t stopbits, uint8_t parity ); /* Serial port 1 initialization */
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extern void UART2_DataTx_Deal( void ); /* Serial port 1 data sending processing */
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extern void UART2_DataRx_Deal( void ); /* Serial port 1 data reception processing */
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extern void UART2_USB_Init( void ); /* USB serial port initialization*/
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#ifdef __cplusplus
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}
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#endif
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#endif
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/***********************************************************************************************************************/
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