历史上的今天
今天是：2025年04月15日（星期二）
2018年04月15日 | STM32 USART DMA发送 中断接收
2018-04-15 来源：eefocus
文件(usart.h)：
#ifndef _USART__H
#define _USART__H
#define EMPTY 0xFFFF
extern vu32 uart2_transfer_complete;
typedef enum {
BSP_UART_STOPBITS_1=1,
BSP_UART_STOPBITS_2=2
}BSP_UART_StopBits;
typedef enum {
BSP_UART_PARITY_NO=0,
BSP_UART_PARITY_ODD=1,
BSP_UART_PARITY_EVEN=2
}BSP_UART_Parity;
typedef enum {
DATA_SIZE_BYTE=1,
DATA_SIZE_HALF_WORD=2
}BSP_UART_DataSize;
typedef void (*usart_hook_func_t)(u16 recv_data);
void bsp_ISR_uart1_setRecvHook(usart_hook_func_t func);
void bsp_ISR_uart2_setRecvHook(usart_hook_func_t func);
void bsp_ISR_uart3_setRecvHook(usart_hook_func_t func);
void bsp_ISR_uart4_setRecvHook(usart_hook_func_t func);
void bsp_ISR_uart5_setRecvHook(usart_hook_func_t func);
void bsp_uart1_config(u32 bps, BSP_UART_StopBits stopbits, BSP_UART_Parity parity, u8 databits, BSP_UART_DataSize ds);
void bsp_uart2_config(u32 bps, BSP_UART_StopBits stopbits, BSP_UART_Parity parity, u8 databits, BSP_UART_DataSize ds);
void bsp_uart3_config(u32 bps, BSP_UART_StopBits stopbits, BSP_UART_Parity parity, u8 databits, BSP_UART_DataSize ds);
void bsp_uart4_config(u32 bps, BSP_UART_StopBits stopbits, BSP_UART_Parity parity, u8 databits, BSP_UART_DataSize ds);
void bsp_uart5_config(u32 bps, BSP_UART_StopBits stopbits, BSP_UART_Parity parity, u8 databits, BSP_UART_DataSize ds);
void bsp_uart1_send_u8(u8* buf, u16 size);
void bsp_uart1_send_u16(u16* buf, u16 size);
void bsp_uart2_send_u8(u8* buf, u16 size);
void bsp_uart2_send_u16(u16* buf, u16 size);
void bsp_uart3_send_u8(u8* buf, u16 size);
void bsp_uart3_send_u16(u16* buf, u16 size);
void bsp_uart4_send_u8(u8* buf, u16 size);
void bsp_uart4_send_u16(u16* buf, u16 size);
void bsp_uart5_send_u8(u8* buf, u16 size);
void bsp_uart5_send_u16(u16* buf, u16 size);
/****************************************************************************************/
void bsp_ISR_uart1_putRecvData(u8 data); /* macro_ISR_uart_putRecvData */
void bsp_ISR_uart1_putSendData(u8 data); /* macro_ISR_uart_putSendData */
u16 bsp_uart1_getRecvData(void); /* macro_uart_getRecvData */
u16 bsp_uart1_getSendData(void); /* macro_uart_getSendData */
u8 bsp_uart1_recvBufIsFull(void); /* macro_uart_recvBufIsFull */
u8 bsp_uart1_sendBufIsFull(void); /* macro_uart_sendBufIsFull */
u8 bsp_uart1_sendBufIsEmpty(void); /* macro_uart_sendBufIsEmpty */
void bsp_uart1_cleanAllBuffer(void); /* macro_uart_cleanAllBuffer */
u16 bsp_uart1_recvBufRemain(void); /* macro_uart_recvBufRemain */
u16 bsp_uart1_sendbufRemain(void); /* macro_uart_sendbufRemain */
/******************************************************************************************/
void bsp_ISR_uart2_putRecvData(u8 data); /* macro_ISR_uart_putRecvData */
void bsp_ISR_uart2_putSendData(u8 data); /* macro_ISR_uart_putSendData */
u16 bsp_uart2_getRecvData(void); /* macro_uart_getRecvData */
u16 bsp_uart2_getSendData(void); /* macro_uart_getSendData */
u8 bsp_uart2_recvBufIsFull(void); /* macro_uart_recvBufIsFull */
u8 bsp_uart2_sendBufIsFull(void); /* macro_uart_sendBufIsFull */
u8 bsp_uart2_sendBufIsEmpty(void); /* macro_uart_sendBufIsEmpty */
void bsp_uart2_cleanAllBuffer(void); /* macro_uart_cleanAllBuffer */
u16 bsp_uart2_recvBufRemain(void); /* macro_uart_recvBufRemain */
u16 bsp_uart2_sendbufRemain(void); /* macro_uart_sendbufRemain */
/******************************************************************************************/
void bsp_ISR_uart3_putRecvData(u8 data); /* macro_ISR_uart_putRecvData */
void bsp_ISR_uart3_putSendData(u8 data); /* macro_ISR_uart_putSendData */
u16 bsp_uart3_getRecvData(void); /* macro_uart_getRecvData */
u16 bsp_uart3_getSendData(void); /* macro_uart_getSendData */
u8 bsp_uart3_recvBufIsFull(void); /* macro_uart_recvBufIsFull */
u8 bsp_uart3_sendBufIsFull(void); /* macro_uart_sendBufIsFull */
u8 bsp_uart3_sendBufIsEmpty(void); /* macro_uart_sendBufIsEmpty */
void bsp_uart3_cleanAllBuffer(void); /* macro_uart_cleanAllBuffer */
u16 bsp_uart3_recvBufRemain(void); /* macro_uart_recvBufRemain */
u16 bsp_uart3_sendbufRemain(void); /* macro_uart_sendbufRemain */
/******************************************************************************************/
void bsp_ISR_uart4_putRecvData(u8 data); /* macro_ISR_uart_putRecvData */
void bsp_ISR_uart4_putSendData(u8 data); /* macro_ISR_uart_putSendData */
u16 bsp_uart4_getRecvData(void); /* macro_uart_getRecvData */
u16 bsp_uart4_getSendData(void); /* macro_uart_getSendData */
u8 bsp_uart4_recvBufIsFull(void); /* macro_uart_recvBufIsFull */
u8 bsp_uart4_sendBufIsFull(void); /* macro_uart_sendBufIsFull */
u8 bsp_uart4_sendBufIsEmpty(void); /* macro_uart_sendBufIsEmpty */
void bsp_uart4_cleanAllBuffer(void); /* macro_uart_cleanAllBuffer */
u16 bsp_uart4_recvBufRemain(void); /* macro_uart_recvBufRemain */
u16 bsp_uart4_sendbufRemain(void); /* macro_uart_sendbufRemain */
/******************************************************************************************/
void bsp_ISR_uart5_putRecvData(u8 data); /* macro_ISR_uart_putRecvData */
void bsp_ISR_uart5_putSendData(u8 data); /* macro_ISR_uart_putSendData */
u16 bsp_uart5_getRecvData(void); /* macro_uart_getRecvData */
u16 bsp_uart5_getSendData(void); /* macro_uart_getSendData */
u8 bsp_uart5_recvBufIsFull(void); /* macro_uart_recvBufIsFull */
u8 bsp_uart5_sendBufIsFull(void); /* macro_uart_sendBufIsFull */
u8 bsp_uart5_sendBufIsEmpty(void); /* macro_uart_sendBufIsEmpty */
void bsp_uart5_cleanAllBuffer(void); /* macro_uart_cleanAllBuffer */
u16 bsp_uart5_recvBufRemain(void); /* macro_uart_recvBufRemain */
u16 bsp_uart5_sendbufRemain(void); /* macro_uart_sendbufRemain */
#endif
文件(usart.c)：
/*
************************************************************************
** brief : 串口驱动
** note : 接收和发送BUFFER,需要根据实际情况修改大小
************************************************************************
*/
#include "usart.h"
#define USART1_SEND_BUF_SIZE 280
#define USART1_RECV_BUF_SIZE 256*2
#define USART2_SEND_BUF_SIZE 256*1
#define USART2_RECV_BUF_SIZE 256*2
#define USART3_SEND_BUF_SIZE 256*1
#define USART3_RECV_BUF_SIZE 256*1
#define USART4_SEND_BUF_SIZE 256*1
#define USART4_RECV_BUF_SIZE 256*2
#define USART5_SEND_BUF_SIZE 256*1
#define USART5_RECV_BUF_SIZE 256*1
/*
****************************************************************
** brief : 定义USART1-USART5的数据
** USART1_SEND_BUF - USART5_SEND_BUF
** USART1_RECV_BUF - USART5_RECV_BUF
** uart1SendHead - uart5SendHead
** uart1SendTail - uart5SendTail
** uart1RecvHead - uart5RecvHead
** uart5RecvTail - uart5RecvTail
****************************************************************
*/
#define UART_BUF_DEFINE(uartNo) \
static u8 USART##uartNo##_SEND_BUF[USART##uartNo##_SEND_BUF_SIZE];\
static vu16 uart##uartNo##SendHead=0;\
static vu16 uart##uartNo##SendTail=0;\
static vu8 UART##uartNo##_RECV_BUF[USART##uartNo##_RECV_BUF_SIZE];\
static vu16 uart##uartNo##RecvHead=0;\
static vu16 uart##uartNo##RecvTail=0;
UART_BUF_DEFINE(1);
UART_BUF_DEFINE(2);
UART_BUF_DEFINE(3);
UART_BUF_DEFINE(4);
UART_BUF_DEFINE(5);
/*
**************************************************************************************
** brief : 串口1配置初始化
** bsp : 波特率1200 2400 4800 9600 ... 115200，不能小于1200
** stopb : 停止位
** p : 奇偶校验位
** databits : 数据位7 or 8 or 9
** ds : DMA数据宽度
**************************************************************************************
*/
void bsp_uart1_config(u32 bps, BSP_UART_StopBits stopb, BSP_UART_Parity p, u8 databits, BSP_UART_DataSize ds)
{
u16 stopbits;
u16 parity;
if (stopb == BSP_UART_STOPBITS_1) stopbits = USART_StopBits_1;
else if(stopb == BSP_UART_STOPBITS_2)stopbits = USART_StopBits_2;
else stopbits = USART_StopBits_1;
if(p == BSP_UART_PARITY_NO) parity = USART_Parity_No;
else if(p == BSP_UART_PARITY_EVEN) parity = USART_Parity_Even;
else if(p == BSP_UART_PARITY_ODD) parity = USART_Parity_Odd;
else parity = USART_Parity_No;
u32 dataSize = DMA_PeripheralDataSize_Byte;
if(ds == DATA_SIZE_HALF_WORD) {
dataSize = DMA_PeripheralDataSize_HalfWord;
} else {
dataSize = DMA_PeripheralDataSize_Byte;
}
do {
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
} while(0);
do {
USART_InitTypeDef USART_InitStructure;
u16 USART_WordLength = USART_WordLength_8b;
USART_DeInit(USART1); /* 复位USART1 */
bsp_uart1_cleanAllBuffer();
/* 提示: STM32 将奇偶位也算作数据位*/
if(parity!=USART_Parity_No && 7 != databits)
{
USART_WordLength = USART_WordLength_9b;
}
if(9==databits) {
USART_WordLength = USART_WordLength_9b;
}
USART_InitStructure.USART_BaudRate = bps;
USART_InitStructure.USART_WordLength = USART_WordLength;
USART_InitStructure.USART_StopBits = stopbits;
USART_InitStructure.USART_Parity = parity;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART1, &USART_InitStructure);
/* 接收缓冲区非空中断使能*/
USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);
USART_ITConfig(USART1,USART_IT_TC,DISABLE);
USART_ITConfig(USART1,USART_IT_TXE,DISABLE);
USART_Cmd(USART1, ENABLE);
/*
** CPU的小缺陷：串口配置好，如果直接Send，则第1个字节发
** 送不出去如下语句解决第1个字节无法正确发送出去的问题
*/
USART_ClearFlag(USART1, USART_FLAG_TC);
} while(0);
do {
DMA_InitTypeDef DMA_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
DMA_DeInit(DMA1_Channel4);
DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)(&USART1->DR); /* 外设地址*/
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)USART1_SEND_BUF;/* 存储器地址*/
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; /* 从存储器读*/
if(DMA_PeripheralDataSize_HalfWord == dataSize) { /* 传输数据量*/
DMA_InitStructure.DMA_BufferSize = USART1_SEND_BUF_SIZE/2;
} else {
DMA_InitStructure.DMA_BufferSize = USART1_SEND_BUF_SIZE;
}
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; /* 外设地址非增量模式*/
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; /* 存储器增量模式*/
DMA_InitStructure.DMA_PeripheralDataSize = dataSize; /* 外设数据宽度*/
if(DMA_PeripheralDataSize_HalfWord == dataSize) /* 存储器数据宽度*/
{
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;/* 16bit */
} else
{
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte; /* 8bit */
}
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; /* 普通模式*/
DMA_InitStructure.DMA_Priority = DMA_Priority_High;/* 高优先级*/
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; /* 非存储器到存储器模式*/
DMA_Init(DMA1_Channel4, &DMA_InitStructure); /* DMA 初始化*/
DMA_ITConfig(DMA1_Channel4, DMA_IT_TC, ENABLE); /* 使能发送完成中断*/
USART_DMACmd(USART1, USART_DMAReq_Tx, ENABLE); /* 使能发送时的DMA 模式*/
DMA_Cmd(DMA1_Channel4, DISABLE);
} while(0);
do {
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
} while(0);
}
/*
**************************************************************************************
** brief : 串口2配置初始化
** bsp : 波特率1200 2400 4800 9600 ... 115200，不能小于1200
** stopb : 停止位
** p : 奇偶校验位
** databits : 数据位7 or 8 or 9
** ds : DMA数据宽度
**************************************************************************************
*/
void bsp_uart2_config(u32 bps, BSP_UART_StopBits stopb, BSP_UART_Parity p, u8 databits, BSP_UART_DataSize ds)
{
u16 stopbits;
u16 parity;
if (stopb == BSP_UART_STOPBITS_1) stopbits = USART_StopBits_1;
else if(stopb == BSP_UART_STOPBITS_2)stopbits = USART_StopBits_2;
else stopbits = USART_StopBits_1;
if(p == BSP_UART_PARITY_NO) parity = USART_Parity_No;
else if(p == BSP_UART_PARITY_EVEN) parity = USART_Parity_Even;
else if(p == BSP_UART_PARITY_ODD) parity = USART_Parity_Odd;
else parity = USART_Parity_No;
u32 dataSize = DMA_PeripheralDataSize_Byte;
if(ds == DATA_SIZE_HALF_WORD) {
dataSize = DMA_PeripheralDataSize_HalfWord;
} else {
dataSize = DMA_PeripheralDataSize_Byte;
}
do {
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
} while(0);
do {
USART_InitTypeDef USART_InitStructure;
u16 USART_WordLength = USART_WordLength_8b;
USART_DeInit(USART2);
bsp_uart2_cleanAllBuffer();
if(parity!=USART_Parity_No && 7 != databits) {
USART_WordLength = USART_WordLength_9b;
}
if(9==databits) {
USART_WordLength = USART_WordLength_9b;
}
USART_InitStructure.USART_BaudRate = bps;
USART_InitStructure.USART_WordLength = USART_WordLength;
USART_InitStructure.USART_StopBits = stopbits;
USART_InitStructure.USART_Parity = parity;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART2, &USART_InitStructure);
USART_ITConfig(USART2,USART_IT_RXNE,ENABLE);
USART_ITConfig(USART2,USART_IT_TC,DISABLE);
USART_ITConfig(USART2,USART_IT_TXE,DISABLE);
USART_Cmd(USART2, ENABLE);
USART_ClearFlag(USART2, USART_FLAG_TC);
} while(0);
do {
DMA_InitTypeDef DMA_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
DMA_DeInit(DMA1_Channel7);
DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)(&USART2->DR);
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)USART2_SEND_BUF;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
if(DMA_PeripheralDataSize_HalfWord == dataSize) {
DMA_InitStructure.DMA_BufferSize = USART2_SEND_BUF_SIZE/2;
} else {
DMA_InitStructure.DMA_BufferSize = USART2_SEND_BUF_SIZE;
}
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = dataSize;
if(DMA_PeripheralDataSize_HalfWord == dataSize) {
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
} else {
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
}
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel7, &DMA_InitStructure);
DMA_ITConfig(DMA1_Channel7, DMA_IT_TC, ENABLE);
USART_DMACmd(USART2, USART_DMAReq_Tx, ENABLE);
DMA_Cmd(DMA1_Channel7, DISABLE);
} while(0);
do {
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel7_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
} while(0);
}
/*
**************************************************************************************
** brief : 串口3配置初始化
** bsp : 波特率1200 2400 4800 9600 ... 115200，不能小于1200
** stopb : 停止位
** p : 奇偶校验位
** databits : 数据位7 or 8 or 9
** ds : DMA数据宽度
**************************************************************************************
*/
void bsp_uart3_config(u32 bps, BSP_UART_StopBits stopb, BSP_UART_Parity p, u8 databits, BSP_UART_DataSize ds)
{
u16 stopbits;
u16 parity;
if (stopb == BSP_UART_STOPBITS_1) stopbits = USART_StopBits_1;
else if(stopb == BSP_UART_STOPBITS_2)stopbits = USART_StopBits_2;
else stopbits = USART_StopBits_1;
if(p == BSP_UART_PARITY_NO) parity = USART_Parity_No;
else if(p == BSP_UART_PARITY_EVEN) parity = USART_Parity_Even;
else if(p == BSP_UART_PARITY_ODD) parity = USART_Parity_Odd;
else parity = USART_Parity_No;
u32 dataSize = DMA_PeripheralDataSize_Byte;
if(ds == DATA_SIZE_HALF_WORD) {
dataSize = DMA_PeripheralDataSize_HalfWord;
} else {
dataSize = DMA_PeripheralDataSize_Byte;
}
do {
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOB, &GPIO_InitStructure);
} while(0);
do {
USART_InitTypeDef USART_InitStructure;
u16 USART_WordLength = USART_WordLength_8b;
USART_DeInit(USART3);
bsp_uart3_cleanAllBuffer();
if(parity!=USART_Parity_No && 7 != databits) {
USART_WordLength = USART_WordLength_9b;
}
if(9==databits) {
USART_WordLength = USART_WordLength_9b;
}
USART_InitStructure.USART_BaudRate = bps;
USART_InitStructure.USART_WordLength = USART_WordLength;
USART_InitStructure.USART_StopBits = stopbits;
USART_InitStructure.USART_Parity = parity;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx |USART_Mode_Tx;
USART_Init(USART3, &USART_InitStructure);
USART_ITConfig(USART3,USART_IT_RXNE, ENABLE);
USART_ITConfig(USART3,USART_IT_TC,DISABLE);
USART_ITConfig(USART3,USART_IT_TXE,DISABLE);
USART_Cmd(USART3, ENABLE);
USART_ClearFlag(USART3, USART_FLAG_TC);
} while(0);
do {
DMA_InitTypeDef DMA_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
DMA_DeInit(DMA1_Channel2);
DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)(&USART3->DR);
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)USART3_SEND_BUF;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
if(DMA_PeripheralDataSize_HalfWord == dataSize) {
DMA_InitStructure.DMA_BufferSize = USART3_SEND_BUF_SIZE/2;
} else {
DMA_InitStructure.DMA_BufferSize = USART3_SEND_BUF_SIZE;
}
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = dataSize;
if(DMA_PeripheralDataSize_HalfWord == dataSize) {
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
} else {
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
}
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel2, &DMA_InitStructure);
DMA_ITConfig(DMA1_Channel2, DMA_IT_TC, ENABLE);
USART_DMACmd(USART3, USART_DMAReq_Tx, ENABLE);
DMA_Cmd(DMA1_Channel2, DISABLE);
} while(0);
do {
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
} while(0);
}
/*
**************************************************************************************
** brief : 串口4配置初始化
** bsp : 波特率1200 2400 4800 9600 ... 115200，不能小于1200
** stopb : 停止位
** p : 奇偶校验位
** databits : 数据位7 or 8 or 9
** ds : DMA数据宽度
**************************************************************************************
*/
void bsp_uart4_config(u32 bps, BSP_UART_StopBits stopb, BSP_UART_Parity p, u8 databits, BSP_UART_DataSize ds)
{
u16 stopbits;
u16 parity;
if (stopb == BSP_UART_STOPBITS_1) stopbits = USART_StopBits_1;
else if(stopb == BSP_UART_STOPBITS_2)stopbits = USART_StopBits_2;
else stopbits = USART_StopBits_1;
if(p == BSP_UART_PARITY_NO) parity = USART_Parity_No;
else if(p == BSP_UART_PARITY_EVEN) parity = USART_Parity_Even;
else if(p == BSP_UART_PARITY_ODD) parity = USART_Parity_Odd;
else parity = USART_Parity_No;
u32 dataSize = DMA_PeripheralDataSize_Byte;
if(ds == DATA_SIZE_HALF_WORD) {
dataSize = DMA_PeripheralDataSize_HalfWord;
} else {
dataSize = DMA_PeripheralDataSize_Byte;
}
do {
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART4, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOC, &GPIO_InitStructure);
} while(0);
do {
USART_InitTypeDef USART_InitStructure;
u16 USART_WordLength = USART_WordLength_8b;
USART_DeInit(UART4);
bsp_uart4_cleanAllBuffer();
if(parity!=USART_Parity_No && 7 != databits) {
USART_WordLength = USART_WordLength_9b;
}
if(9==databits) {
USART_WordLength = USART_WordLength_9b;
}
USART_InitStructure.USART_BaudRate = bps;
USART_InitStructure.USART_WordLength = USART_WordLength;
USART_InitStructure.USART_StopBits = stopbits;
USART_InitStructure.USART_Parity = parity;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(UART4, &USART_InitStructure);
USART_ITConfig(UART4,USART_IT_RXNE,ENABLE);
USART_ITConfig(UART4,USART_IT_TC,DISABLE);
USART_ITConfig(UART4,USART_IT_TXE,DISABLE);
USART_Cmd(UART4, ENABLE);
USART_ClearFlag(UART4, USART_FLAG_TC);
} while(0);
do {
DMA_InitTypeDef DMA_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE);
DMA_DeInit(DMA2_Channel5);
DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)(&UART4->DR);
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)USART4_SEND_BUF;
if(DMA_PeripheralDataSize_HalfWord == dataSize) {
DMA_InitStructure.DMA_BufferSize = USART4_SEND_BUF_SIZE/2;
} else {
DMA_InitStructure.DMA_BufferSize = USART4_SEND_BUF_SIZE;
}
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = dataSize;
if(DMA_PeripheralDataSize_HalfWord == dataSize) {
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
} else {
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
}
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA2_Channel5, &DMA_InitStructure);
DMA_ITConfig(DMA2_Channel5, DMA_IT_TC, ENABLE);
USART_DMACmd(UART4, USART_DMAReq_Tx, ENABLE);
DMA_Cmd(DMA2_Channel5, DISABLE);
} while(0);
do {
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = UART4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = DMA2_Channel4_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
} while(0);
}
/*
**************************************************************************************
** brief : 串口5配置初始化
** bsp : 波特率1200 2400 4800 9600 ... 115200，不能小于1200
** stopb : 停止位
** p : 奇偶校验位
** databits : 数据位7 or 8 or 9
** ds : DMA数据宽度
** note : USART5没有使用DMA,故ds参数无意义
**************************************************************************************
*/
void bsp_uart5_config(u32 bps, BSP_UART_StopBits stopb, BSP_UART_Parity p, u8 databits, BSP_UART_DataSize ds)
{
u16 stopbits;
u16 parity;
if (stopb == BSP_UART_STOPBITS_1) stopbits = USART_StopBits_1;
else if(stopb == BSP_UART_STOPBITS_2)stopbits = USART_StopBits_2;
else stopbits = USART_StopBits_1;
if(p == BSP_UART_PARITY_NO) parity = USART_Parity_No;
else if(p == BSP_UART_PARITY_EVEN) parity = USART_Parity_Even;
else if(p == BSP_UART_PARITY_ODD) parity = USART_Parity_Odd;
else parity = USART_Parity_No;
do {
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOD, &GPIO_InitStructure);
} while(0);
do {
USART_InitTypeDef USART_InitStructure;
u16 USART_WordLength = USART_WordLength_8b;
USART_DeInit(UART5);
bsp_uart5_cleanAllBuffer();
if(parity!=USART_Parity_No && 7 != databits) {
USART_WordLength = USART_WordLength_9b;
}
if(9==databits) {
USART_WordLength = USART_WordLength_9b;
}
USART_InitStructure.USART_BaudRate = bps;
USART_InitStructure.USART_WordLength = USART_WordLength;
USART_InitStructure.USART_StopBits = stopbits;
USART_InitStructure.USART_Parity = parity;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx|USART_Mode_Tx;
USART_Init(UART5, &USART_InitStructure);
/* 使能发送完成中断*/
USART_ITConfig(UART5,USART_IT_RXNE,ENABLE);
USART_ITConfig(UART5,USART_IT_TC, ENABLE);
USART_ITConfig(UART5,USART_IT_TXE, DISABLE);
USART_Cmd(UART5, ENABLE);
USART_ClearFlag(UART5, USART_FLAG_TC);
} while(0);
do {
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = UART5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
} while(0);
}
static vu32 uart1_transfer_complete = 0; /* USART1发送完成*/
vu32 uart2_transfer_complete = 0; /* USART2发送完成*/
static vu32 uart3_transfer_complete = 0; /* USART3发送完成*/
static vu32 uart4_transfer_complete = 0; /* USART4发送完成*/
static vu32 uart5_transfer_complete = 0; /* USART5发送完成*/
/*
******************************************************************************
** Ret : 1 = 传输完成
** other = 启动传输的时刻
** note : systemTickMs() - Ret(other) = 传输时间
******************************************************************************
*/
u32 bsp_uart1_transferComplete(void)
{
return uart1_transfer_complete;
}
u32 bsp_uart2_transferComplete(void)
{
return uart2_transfer_complete;
}
u32 bsp_uart3_transferComplete(void)
{
return uart3_transfer_complete;
}
u32 bsp_uart4_transferComplete(void)
{
return uart4_transfer_complete;
}
u32 bsp_uart5_transferComplete(void)
{
return uart5_transfer_complete;
}
/*
***************************************************************
** brief : usart1 发送数据
** buf : 待发送数据缓冲指针
** size : 待发送数据长度
***************************************************************
*/
void bsp_uart1_send_u8(u8* buf, u16 size)
{
if(size > USART1_SEND_BUF_SIZE)
{
return;
}
memcpy(USART1_SEND_BUF, buf, size);
DMA_Cmd(DMA1_Channel4, DISABLE);/* 关闭DMA传输*/
DMA1_Channel4->CNDTR=size; /* 改变数据传输量*/
DMA_Cmd(DMA1_Channel4, ENABLE); /* 开启DMA传输*/
uart1_transfer_complete = systemMs();
}
/*
***************************************************************
** brief : usart1 发送数据
** buf : 待发送数据缓冲指针
** size : 待发送数据长度
***************************************************************
*/
void bsp_uart1_send_u16(u16* buf, u16 size)
{
if(size*2 > USART1_SEND_BUF_SIZE)
{
return;
}
memcpy(USART1_SEND_BUF, buf, size*2);
DMA_Cmd(DMA1_Channel4, DISABLE);
DMA1_Channel4->CNDTR=size;
DMA_Cmd(DMA1_Channel4, ENABLE);
uart1_transfer_complete = systemMs();
}
/*
***************************************************************
** brief : usart2 发送数据
** buf : 待发送数据缓冲指针
** size : 待发送数据长度
***************************************************************
*/
void bsp_uart2_send_u8(u8* buf, u16 size) {
if(size > USART2_SEND_BUF_SIZE) {
return;
}
memcpy(USART2_SEND_BUF, buf, size);
DMA_Cmd(DMA1_Channel7, DISABLE);
DMA1_Channel7->CNDTR=size;
DMA_Cmd(DMA1_Channel7, ENABLE);
uart2_transfer_complete = systemMs();
}
/*
***************************************************************
** brief : usart2 发送数据
** buf : 待发送数据缓冲指针
** size : 待发送数据长度
***************************************************************
*/
void bsp_uart2_send_u16(u16* buf, u16 size)
{
if(size*2 > USART2_SEND_BUF_SIZE)
{
return;
}
memcpy(USART2_SEND_BUF, buf, size*2);
DMA_Cmd(DMA1_Channel7, DISABLE);
DMA1_Channel7->CNDTR=size;
DMA_Cmd(DMA1_Channel7, ENABLE);
uart2_transfer_complete = systemMs();
}
/*
***************************************************************
** brief : usart3 发送数据
** buf : 待发送数据缓冲指针
** size : 待发送数据长度
***************************************************************
*/
void bsp_uart3_send_u8(u8* buf, u16 size)
{
memcpy(USART3_SEND_BUF, buf, size);
DMA_Cmd(DMA1_Channel2, DISABLE);
DMA1_Channel2->CNDTR=size;
DMA_Cmd(DMA1_Channel2, ENABLE);
uart3_transfer_complete = systemMs();
}
/*
***************************************************************
** brief : usart3 发送数据
** buf : 待发送数据缓冲指针
** size : 待发送数据长度
***************************************************************
*/
void bsp_uart3_send_u16(u16* buf, u16 size)
{
if(size*2 > USART3_SEND_BUF_SIZE)
{
return;
}
memcpy(USART3_SEND_BUF, buf, size*2);
DMA_Cmd(DMA1_Channel2, DISABLE);
DMA1_Channel2->CNDTR=size;
DMA_Cmd(DMA1_Channel2, ENABLE);
uart3_transfer_complete = systemMs();
}
/*
***************************************************************
** brief : usart4发送数据
** buf : 待发送数据缓冲指针
** size : 待发送数据长度
***************************************************************
*/
void bsp_uart4_send_u8(u8* buf, u16 size)
{
memcpy(USART4_SEND_BUF, buf, size);
DMA_Cmd(DMA2_Channel5, DISABLE);
DMA2_Channel5->CNDTR=size;
DMA_Cmd(DMA2_Channel5, ENABLE);
uart4_transfer_complete = systemMs();
}
/*
***************************************************************
** brief : usart4 发送数据
** buf : 待发送数据缓冲指针
** size : 待发送数据长度
***************************************************************
*/
void bsp_uart4_send_u16(u16* buf, u16 size)
{
if(size*2 > USART4_SEND_BUF_SIZE)
{
return;
}
memcpy(USART4_SEND_BUF, buf, size*2);
DMA_Cmd(DMA2_Channel5, DISABLE);
DMA2_Channel5->CNDTR=size;
DMA_Cmd(DMA2_Channel5, ENABLE);
uart4_transfer_complete = systemMs();
}
static vu16 usart5_send_size = 0;
static vu16 usart5_send_index = 0;
void bsp_uart5_send_u8(u8* buf, u16 size)
{
if(size > USART5_SEND_BUF_SIZE) {
return;
}
memcpy(USART5_SEND_BUF, buf, size);
/* 已是能发送完成终端*/
usart5_send_size = size;
usart5_send_index = 0;
USART_SendData(UART5, (u16)USART5_SEND_BUF[usart5_send_index]);
++usart5_send_index;
uart5_transfer_complete = systemMs();
}
static usart_hook_func_t _g_uart1_recv_hook = NULL;
static usart_hook_func_t _g_uart2_recv_hook = NULL;
static usart_hook_func_t _g_uart3_recv_hook = NULL;
static usart_hook_func_t _g_uart4_recv_hook = NULL;
static usart_hook_func_t _g_uart5_recv_hook = NULL;
/* 串口接收中断钩子函数*/
void bsp_ISR_uart1_setRecvHook(usart_hook_func_t func) {
_g_uart1_recv_hook = func;
}
void bsp_ISR_uart2_setRecvHook(usart_hook_func_t func)
{
_g_uart2_recv_hook = func;
}
void bsp_ISR_uart3_setRecvHook(usart_hook_func_t func) {
_g_uart3_recv_hook = func;
}
void bsp_ISR_uart4_setRecvHook(usart_hook_func_t func) {
_g_uart4_recv_hook = func;
}
void bsp_ISR_uart5_setRecvHook(usart_hook_func_t func) {
_g_uart5_recv_hook = func;
}
/*
****************************************************************
** breif : usart1 中断服务函数
** note : 接收缓冲区非空中断使能
****************************************************************
*/
void USART1_IRQHandler(void)
{
if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
{/* 读数据寄存器非空*/
u16 recv = USART_ReceiveData(USART1);
USART_ClearITPendingBit(USART1,USART_IT_RXNE);
bsp_ISR_uart1_putRecvData(recv&0xff);
if( NULL != _g_uart1_recv_hook)
{
(*_g_uart1_recv_hook)(recv);
}
}
if(USART_GetITStatus(USART1, USART_IT_TXE) == SET)
{/* 发送数据寄存器空*/
USART_ClearITPendingBit(USART1, USART_IT_TXE);
}
/* 提示: USART_IT_TC 需要在 USART_IT_ORE 之前处理*/
if(USART_GetITStatus(USART1, USART_IT_TC)==SET)
{/* 发送完成*/
USART_ClearITPendingBit(USART1, USART_IT_TC);
}
/*
** 因 某些原因没处理过来,引起了串口的数据还没被读出的
** 时候就又收到了新的数据CPU就会出现不停进入中断的问
** 题.必须读 SR,再读DR,以解决溢出错误
** 注意:不能使用USART_GetITStatus()来读取USART_IT_ORE
*/
if(USART_GetFlagStatus(USART1, USART_IT_ORE) == SET)
{/* 过载错误*/
USART_ClearFlag(USART1, USART_IT_ORE); //读 SR
USART_ReceiveData(USART1); //读 DR
}
}
/*
****************************************************************
** breif : usart2 中断服务函数
** note : 接收缓冲区非空中断使能
****************************************************************
*/
void USART2_IRQHandler(void)
{
if(USART_GetITStatus(USART2, USART_IT_RXNE) != RESET)
{
u16 recv = USART_ReceiveData(USART2);
USART_ClearITPendingBit(USART2, USART_IT_RXNE);
bsp_ISR_uart2_putRecvData(recv&0xff);
if( NULL != _g_uart2_recv_hook )
{
(*_g_uart2_recv_hook)(recv);
}
}
if(USART_GetITStatus(USART2, USART_IT_TXE) == SET)
{
USART_ClearITPendingBit(USART2, USART_IT_TXE);
}
if(USART_GetITStatus(USART2, USART_IT_TC)==SET) {
USART_ClearITPendingBit(USART2, USART_IT_TC);
}
if(USART_GetFlagStatus(USART2, USART_IT_ORE) == SET) {
USART_ClearFlag(USART2, USART_IT_ORE);
USART_ReceiveData(USART2);
}
}
/*
****************************************************************
** breif : usart3 中断服务函数
** note : 接收缓冲区非空中断使能
****************************************************************
*/
void USART3_IRQHandler(void)
{
if(USART_GetITStatus(USART3, USART_IT_RXNE) != RESET) {
u16 recv = USART_ReceiveData(USART3);
USART_ClearITPendingBit(USART3, USART_IT_RXNE);
bsp_ISR_uart3_putRecvData(recv&0xff);
if( NULL != _g_uart3_recv_hook) {
(*_g_uart3_recv_hook)(recv);
}
}
if(USART_GetITStatus(USART3, USART_IT_TXE) == SET){
USART_ClearITPendingBit(USART3, USART_IT_TXE);
}
if(USART_GetITStatus(USART3, USART_IT_TC)==SET) {
USART_ClearITPendingBit(USART3, USART_IT_TC);
}
if(USART_GetFlagStatus(USART3, USART_IT_ORE) == SET) {
USART_ClearFlag(USART3, USART_IT_ORE);
USART_ReceiveData(USART3);
}
}
/*
****************************************************************
** breif : usart4 中断服务函数
** note : 接收缓冲区非空中断使能
****************************************************************
*/
void UART4_IRQHandler(void)
{
if( USART_GetITStatus(UART4, USART_IT_RXNE) != RESET)
{
u16 recv = USART_ReceiveData(UART4);
USART_ClearITPendingBit(UART4, USART_IT_RXNE);
bsp_ISR_uart4_putRecvData(recv&0xff);
if( NULL != _g_uart4_recv_hook)
{
(*_g_uart4_recv_hook)(recv);
}
}
if(USART_GetITStatus(UART4, USART_IT_TXE) == SET)
{
USART_ClearITPendingBit(UART4, USART_IT_TXE);
}
if(USART_GetITStatus(UART4, USART_IT_TC)==SET)
{
USART_ClearITPendingBit(UART4, USART_IT_TC);
}
if(USART_GetFlagStatus(UART4, USART_IT_ORE) == SET)
{
USART_ClearFlag(UART4, USART_IT_ORE);
USART_ReceiveData(UART4);
}
}
/*
****************************************************************
** breif : usart1 中断服务函数
** note : 接收缓冲区非空中断使能
** 发送完成中断使能
****************************************************************
*/
void UART5_IRQHandler(void)
{
if(USART_GetITStatus(UART5, USART_IT_RXNE) != RESET)
{
u16 recv = USART_ReceiveData(UART5);
USART_ClearITPendingBit(UART5, USART_IT_RXNE);
bsp_ISR_uart5_putRecvData(recv&0xff);
if( NULL != _g_uart5_recv_hook)
{
(*_g_uart5_recv_hook)(recv);
}
}
if(USART_GetITStatus(UART5, USART_IT_TXE) == SET){
USART_ClearITPendingBit(UART5, USART_IT_TXE);
}
if(USART_GetITStatus(UART5, USART_IT_TC)==SET) {
USART_ClearITPendingBit(UART5, USART_IT_TC);
if(usart5_send_index < usart5_send_size) {
USART_SendData(UART5, (u16)USART5_SEND_BUF[usart5_send_index]);
++usart5_send_index;
} else {
uart5_transfer_complete = 0;
}
}
if(USART_GetFlagStatus(UART5, USART_IT_ORE) == SET) {
USART_ClearFlag(UART5, USART_IT_ORE);
USART_ReceiveData(UART5);
}
}
/*
*******************************************************************
** breif : DMA1 Channel4 发送完成中断
** note : usart1
*******************************************************************
*/
void DMA1_Channel4_IRQHandler(void)
{
if(DMA_GetITStatus(DMA1_IT_TC4)) {
DMA_ClearITPendingBit(DMA1_IT_TC4);
}
DMA_Cmd(DMA1_Channel4,DISABLE);
uart1_transfer_complete = 1;
}
/*
*******************************************************************
** breif : DMA1 Channel2 发送完成中断
** note : usart3
*******************************************************************
*/
void DMA1_Channel2_IRQHandler(void)
{
if(DMA_GetITStatus(DMA1_IT_TC2)) {
DMA_ClearITPendingBit(DMA1_IT_TC2);
}
DMA_Cmd(DMA1_Channel2,DISABLE);
uart3_transfer_complete = 1;
}
/*
*******************************************************************
** breif : DMA1 Channel7 发送完成中断
** note : usart2
*******************************************************************
*/
void DMA1_Channel7_IRQHandler(void)
{
if(DMA_GetITStatus(DMA1_IT_TC7)) {
DMA_ClearITPendingBit(DMA1_IT_TC7);
}
DMA_Cmd(DMA1_Channel7,DISABLE);
uart2_transfer_complete = 1;
}
/*
*******************************************************************
** breif : DMA2 Channel5 发送完成中断
** note : usart4 ,程序有Bug
*******************************************************************
*/
void DMA2_Channel4_5_IRQHandler(void)
{
if(DMA_GetITStatus(DMA2_IT_TC4)) {
DMA_ClearITPendingBit(DMA2_IT_TC4);
DMA_Cmd(DMA2_Channel4,DISABLE);
uart4_transfer_complete = 1;
}
if(DMA_GetITStatus(DMA2_IT_TC5)) {
DMA_ClearITPendingBit(DMA2_IT_TC5);
DMA_Cmd(DMA2_Channel5,DISABLE);
}
}
/*
**********************************************************
** breif : 将数据载入接收缓冲区
** note : 数据载入Head方向
**********************************************************
*/
#define macro_ISR_uart_putRecvData(uartNo) \
void bsp_ISR_uart##uartNo##_putRecvData(u8 data) {\
bsp_disableIrq();\
u16 rxd_head;\
rxd_head = uart##uartNo##RecvHead + 1 ; \
if( rxd_head >= USART##uartNo##_RECV_BUF_SIZE ) \
rxd_head = 0;\
UART##uartNo##_RECV_BUF[uart##uartNo##RecvHead] = data;\
uart##uartNo##RecvHead = rxd_head;\
bsp_enableIrq();\
}
/*
****************************************************************************
** breif : 将数据放置在发送缓冲区
** note : 数据载入Head方向
** 这个方法平时并不使用，只在特殊应用下用到
****************************************************************************
*/
#define macro_ISR_uart_putSendData(uartNo) \
void bsp_ISR_uart##uartNo##_putSendData(u8 data) {\
bsp_disableIrq();\
u16 rxd_head;\
rxd_head = uart##uartNo##SendHead + 1 ;\
if( rxd_head >= USART##uartNo##_SEND_BUF_SIZE ) \
rxd_head = 0;\
USART##uartNo##_SEND_BUF[uart##uartNo##SendHead] = data;\
uart##uartNo##SendHead = rxd_head;\
bsp_enableIrq();\
}
/*
****************************************************************************
** breif : 读接收缓冲区中的数据
** Ret : 1. EMPTY 数据缓冲区为空
** 2. 数据
** note : 从Tail方向读取
****************************************************************************
*/
#define macro_uart_getRecvData(uartNo) \
u16 bsp_uart##uartNo##_getRecvData(void)\
{\
bsp_disableIrq();\
if(uart##uartNo##RecvHead==uart##uartNo##RecvTail) {\
bsp_enableIrq();\
return EMPTY;\
}\
u16 ch=UART##uartNo##_RECV_BUF[uart##uartNo##RecvTail];\
UART##uartNo##_RECV_BUF[uart##uartNo##RecvTail] = 0;\
uart##uartNo##RecvTail++;\
if(uart##uartNo##RecvTail>=USART##uartNo##_RECV_BUF_SIZE)\
uart##uartNo##RecvTail = 0;\
bsp_enableIrq();\
return ch;\
}
/*
****************************************************************************
** breif : 读发送缓冲区中的数据
** Ret : 1. EMPTY 数据缓冲区为空
** 2. 数据
** note : 从Tail方向读取
****************************************************************************
*/
#define macro_uart_getSendData(uartNo) \
u16 bsp_uart##uartNo##_getSendData(void)\
{\
bsp_disableIrq();\
if(uart##uartNo##SendHead==uart##uartNo##SendTail) {\
bsp_enableIrq();\
return EMPTY;\
}\
u16 ch=USART##uartNo##_SEND_BUF[uart##uartNo##SendTail];\
USART##uartNo##_SEND_BUF[uart##uartNo##SendTail] = 0;\
uart##uartNo##SendTail++;\
if(uart##uartNo##SendTail>=USART##uartNo##_SEND_BUF_SIZE)\
uart##uartNo##SendTail = 0;\
bsp_enableIrq();\
return ch;\
}
/*
****************************************************************************
** breif : 接收缓冲区是否满
** Ret : 1. 满
** 0. 未满
****************************************************************************
*/
#define macro_uart_recvBufIsFull(uartNo) \
u8 bsp_uart##uartNo##_recvBufIsFull(void) \
{\
bsp_disableIrq();\
u16 head = uart##uartNo##RecvHead+1;\
if(head >= USART##uartNo##_RECV_BUF_SIZE) {\
head = 0;\
}\
if(head == uart##uartNo##RecvTail) {\
bsp_enableIrq();\
return 1;\
} else {\
bsp_enableIrq();\
return 0;\
}\
}
/*
****************************************************************************
** breif : 发送缓冲区是否满
** Ret : 1. 满
** 0. 未满
****************************************************************************
*/
#define macro_uart_sendBufIsFull(uartNo) \
u8 bsp_uart##uartNo##_sendBufIsFull(void)\
{\
bsp_disableIrq();\
u16 head = uart##uartNo##SendHead+1;\
if(head >= USART##uartNo##_SEND_BUF_SIZE) {\
head = 0;\
}\
if(head == uart##uartNo##SendTail) {\
bsp_enableIrq();\
return 1;\
} else {\
bsp_enableIrq();\
return 0;\
}\
}
/*
****************************************************************************
** breif : 接收缓冲区是否空
** Ret : 1. 空
** 0. 非空
****************************************************************************
*/
#define macro_uart_sendBufIsEmpty(uartNo) \
u8 bsp_uart##uartNo##_sendBufIsEmpty(void)\
{\
bsp_disableIrq();\
if(uart##uartNo##SendHead==uart##uartNo##SendTail){ \
bsp_enableIrq();\
return 1;\
}\
else {\
bsp_enableIrq();\
return 0;\
}\
}
/*
****************************************************************************
** breif : 清空接收和发送缓冲区
****************************************************************************
*/
#define macro_uart_cleanAllBuffer(uartNo) \
void bsp_uart##uartNo##_cleanAllBuffer(void) \
{\
bsp_disableIrq();\
uart##uartNo##RecvHead = uart##uartNo##RecvTail;\
uart##uartNo##SendHead = uart##uartNo##SendTail;\
bsp_enableIrq();\
}
/*
****************************************************************************
** breif : 计算接收缓冲区剩余空间
** Ret : 剩余字节数
****************************************************************************
*/
#define macro_uart_recvBufRemain(uartNo) \
u16 bsp_uart##uartNo##_recvBufRemain(void)\
{\
bsp_disableIrq();\
if(uart##uartNo##RecvHead >= uart##uartNo##RecvTail) {\
u16 v = (USART##uartNo##_RECV_BUF_SIZE-uart##uartNo##RecvHead)+uart##uartNo##RecvTail;\
bsp_enableIrq();\
return v;\
} else {\
u16 v = (uart##uartNo##RecvTail - uart##uartNo##RecvHead) - 1;\
bsp_enableIrq();\
return v;\
}\
}
/*
****************************************************************************
** breif : 发送缓冲区剩余空间
** Ret : 剩余字节数
****************************************************************************
*/
#define macro_uart_sendbufRemain(uartNo) \
u16 bsp_uart##uartNo##_sendbufRemain(void)\
{\
bsp_disableIrq();\
if(uart##uartNo##SendHead >= uart##uartNo##SendTail) {\
u16 v = (USART##uartNo##_SEND_BUF_SIZE-uart##uartNo##SendHead)+uart##uartNo##SendTail;\
bsp_enableIrq();\
return v;\
} else {\
u16 v = (uart##uartNo##SendTail - uart##uartNo##SendHead) - 1;\
bsp_enableIrq();\
return v;\
}\
}
macro_ISR_uart_putRecvData(1);
macro_ISR_uart_putRecvData(2);
macro_ISR_uart_putRecvData(3);
macro_ISR_uart_putRecvData(4);
macro_ISR_uart_putRecvData(5);
macro_ISR_uart_putSendData(1);
macro_ISR_uart_putSendData(2);
macro_ISR_uart_putSendData(3);
macro_ISR_uart_putSendData(4);
macro_ISR_uart_putSendData(5);
macro_uart_getRecvData(1);
macro_uart_getRecvData(2);
macro_uart_getRecvData(3);
macro_uart_getRecvData(4);
macro_uart_getRecvData(5);
macro_uart_getSendData(1);
macro_uart_getSendData(2);
macro_uart_getSendData(3);
macro_uart_getSendData(4);
macro_uart_getSendData(5);
macro_uart_sendBufIsEmpty(1);
macro_uart_sendBufIsEmpty(2);
macro_uart_sendBufIsEmpty(3);
macro_uart_sendBufIsEmpty(4);
macro_uart_sendBufIsEmpty(5);
macro_uart_cleanAllBuffer(1);
macro_uart_cleanAllBuffer(2);
macro_uart_cleanAllBuffer(3);
macro_uart_cleanAllBuffer(4);
macro_uart_cleanAllBuffer(5);
macro_uart_recvBufIsFull(1);
macro_uart_recvBufIsFull(2);
macro_uart_recvBufIsFull(3);
macro_uart_recvBufIsFull(4);
macro_uart_recvBufIsFull(5);
macro_uart_sendBufIsFull(1);
macro_uart_sendBufIsFull(2);
macro_uart_sendBufIsFull(3);
macro_uart_sendBufIsFull(4);
macro_uart_sendBufIsFull(5);
macro_uart_recvBufRemain(1);
macro_uart_recvBufRemain(2);
macro_uart_recvBufRemain(3);
macro_uart_recvBufRemain(4);
macro_uart_recvBufRemain(5);
macro_uart_sendbufRemain(1);
macro_uart_sendbufRemain(2);
macro_uart_sendbufRemain(3);
macro_uart_sendbufRemain(4);
macro_uart_sendbufRemain(5);
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