STM32无法进入DMA发送完成中断

Question

STM32 通过串口1接收上位机8个字节的数据 通过DMA发送到缓存
程序做好相关配置，通过调试助手下发8字节数据 程序一直无法进入DMA发送完成中断
请问是配置方面有什么问题吗 下面贴出主要的配置程序

//配置
void NVIC_Config(void){

NVIC_InitTypeDef NVIC_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
//NVIC_InitStructure.NVIC_IRQChannel=USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannel=DMA1_Channel5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority=1;
NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
NVIC_Init(&NVIC_InitStructure);    
}

void USART1_Config(void){
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA, 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);    
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No ;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART1, &USART_InitStructure); 
USART_Cmd(USART1, ENABLE);
USART_DMACmd(USART1,USART_DMAReq_Rx,ENABLE);
    
//USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);
////USART_GetFlagStatus(USART1,USART_FLAG_TC);
}


void USART1_DMA_Config(void)
{
extern uint8_t RECEBuf;
extern uint8_t RECEBuf_Size;
DMA_InitTypeDef DMA_InitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1,ENABLE);
DMA_DeInit(DMA1_Channel5);
DMA_InitStructure.DMA_PeripheralBaseAddr=0x40013804;
DMA_InitStructure.DMA_MemoryBaseAddr=(uint8_t)RECEBuf;
DMA_InitStructure.DMA_DIR=DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize=RECEBuf_Size;
DMA_InitStructure.DMA_PeripheralInc=DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc=DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize=DMA_PeripheralDataSize_Byte;
DMA_InitStructure.DMA_MemoryDataSize=DMA_MemoryDataSize_Byte;
DMA_InitStructure.DMA_Mode=DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority=DMA_Priority_VeryHigh;
DMA_InitStructure.DMA_M2M=DMA_M2M_Disable;
DMA_Init(DMA1_Channel5,&DMA_InitStructure);
DMA_Cmd(DMA1_Channel5,ENABLE);
DMA_ITConfig(DMA1_Channel5,DMA_IT_TC,ENABLE);

}
//中断处理
void DMA1_Channel5_IRQHandler(void)
{
    printf("c");
    if(DMA_GetFlagStatus(DMA1_IT_TC5))
        {
//        a=0;
        uint8_t data;
        DMA_ClearITPendingBit(DMA1_IT_GL5);
            data=DMA_GetCurrDataCounter(DMA1_Channel5);
        DMA_Cmd(DMA1_Channel5,DISABLE);
        
    DMA_SetCurrDataCounter(DMA1_Channel5,8);
    DMA_Cmd(DMA1_Channel5,ENABLE);
            printf("%d",data);
        printf("%d",RECEBuf[0]);
        }


}

Answer 1

软件对了暂时没有看到有什么问题。
最好提供一下，在没有使用DMA时，USART1有没有能正常接收到数据，以证明硬件连接是否有问题。

Answer 2

打开了传输错误中断位测试，发现单片机一直进入传输错误中断

Answer 3

这种问题只能分步去检测，首先确保USART1能正常收发，再加入DMA。

打开了传输错误中断位测试，发现单片机一直进入传输错误中断

Answer 4

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "stdio.h"


/* Private define ------------------------------------------------------------*/
#define USART1_DR_Base  0x40013804
#define  SRC_USART1_DR (&(USART1->DR))
/* Private variables ---------------------------------------------------------*/
#define SENDBUFF_SIZE   16
vu8 SendBuff[SENDBUFF_SIZE];



void DMA_Configuration(void);
void USART1_Configuration(void);
//////////////////////////////////////////////////////////////////
//加入以下代码,支持printf函数,而不需要选择use MicroLIB      
#if 1
#pragma import(__use_no_semihosting)             
//标准库需要的支持函数                 
struct __FILE 
{ 
    int handle; 

}; 

FILE __stdout;       
//定义_sys_exit()以避免使用半主机模式    
_sys_exit(int x) 
{ 
    x = x; 
} 
//重定义fputc函数 
int fputc(int ch, FILE *f)
{      
    while((USART1->SR&0X40)==0);//循环发送,直到发送完毕   
    USART1->DR = (u8) ch;      
    return ch;
}
#endif 


int main(void)
{
    SystemInit();
    USART1_Configuration(); 
    printf("USART1!\r\n");
    DMA_Configuration();                   
    while (1) 
    {         
    }
 
}



// Description    : NUSART1设置
void USART1_Configuration(void)
{
    USART_InitTypeDef USART_InitStructure;
    GPIO_InitTypeDef GPIO_InitStructure;
     RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO | RCC_APB2Periph_USART1, ENABLE);
    //USART1_TX
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_Init(GPIOA, &GPIO_InitStructure);
    
    //USART1_RX
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIOA, &GPIO_InitStructure);

    USART_InitStructure.USART_BaudRate = 115200;
    USART_InitStructure.USART_WordLength = USART_WordLength_8b;
    USART_InitStructure.USART_StopBits = USART_StopBits_1;
    USART_InitStructure.USART_Parity = USART_Parity_No;
    USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
    USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
    USART_Init(USART1, &USART_InitStructure);
        
    USART_Cmd(USART1, ENABLE);
}


void DMA_Configuration(void)
{
    DMA_InitTypeDef DMA_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);    //使能DMA传输

    DMA_DeInit(DMA1_Channel5);
    DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)(&(USART1->DR));
    DMA_InitStructure.DMA_MemoryBaseAddr = (u32)SendBuff;
    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;                                      //外设作源头//外设是作为数据传输的目的地还是来源
    DMA_InitStructure.DMA_BufferSize = 16;                                        //DMA缓存的大小 单位在下边设定
    DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;               //外设地址寄存器不递增
    DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;                        //内存地址递增
    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;        //外设字节为单位
    DMA_InitStructure.DMA_MemoryDataSize = DMA_PeripheralDataSize_Byte;            //内存字节为单位
    DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;                              //工作在循环缓存模式
    DMA_InitStructure.DMA_Priority = DMA_Priority_High;                            //4优先级之一的(高优先) VeryHigh/High/Medium/Low
    DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;                               //非内存到内存
    DMA_Init(DMA1_Channel5, &DMA_InitStructure);                                    //根据DMA_InitStruct中指定的参数初始化DMA的通道1寄存器   
    DMA_ITConfig(DMA1_Channel5, DMA_IT_TC, ENABLE);                               //DMA5传输完成中断
    USART_DMACmd(USART1,USART_DMAReq_Rx,ENABLE);                              //使能USART1的接收DMA请求
    DMA_Cmd(DMA1_Channel5, ENABLE);          
     DMA_ClearFlag(DMA1_FLAG_TC5); 
     NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); 
     NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel5_IRQn;  
     NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; 
     NVIC_InitStructure.NVIC_IRQChannelSubPriority =  3; 
     NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; 
     NVIC_Init(&NVIC_InitStructure); 

}

void DMA1_Channel5_IRQHandler(void)
{
    u8 end;
    printf("Start DMA transmission!\r\n");
   if(DMA_GetITStatus(DMA1_IT_TC5))
    {        
        end = DMA_GetCurrDataCounter(DMA1_Channel5);
        DMA_ClearITPendingBit(DMA1_IT_GL5);///* 清中断源
        DMA_ClearFlag(DMA1_FLAG_TC5);         
        //printf("Start DMA transmission!\r\n");    
        printf("%d\r\n", end);
        printf("%s\r\n", SendBuff); 
   }

} 

如果有解决，请点采纳！谢谢！