/*上传STM32串口接收发送子程序,调试验证OK,供参考*/
#include
static UART_HandleTypeDef* pstm32uart_entry = NULL;
int STM32_SendBuffer(const char* pcmd);
const char* STM32_GetBuffer(void);
#define UART__TIMEOUT 500
void WaitSTM32UartReady()
{
HAL_UART_StateTypeDef status;
do
{
status = HAL_UART_GetState(pstm32uart_entry);
}while(status != HAL_UART_STATE_READY);
}
int uart_putc(int c)
{
while (!__HAL_UART_GET_FLAG(pstm32uart_entry, UART_FLAG_TXE));
pstm32uart_entry->Instance->TDR = (c & 0xff); // for f030c8
return 0;
}
int uart_getc(void)
{
while (!__HAL_UART_GET_FLAG(pstm32uart_entry, UART_FLAG_RXNE));
return pstm32uart_entry->Instance->RDR & 0xff;
}
int STM32_SendBuffer(const char* pcmd)
{
while(*pcmd != '\n')
uart_putc(*pcmd++);
return SUCCESS;
}
static char STM32_Buf[32];
const char* STM32_GetBuffer()
{
int i = 0;
if(pstm32uart_entry == NULL)return NULL;
while(1)
{
char szchar = uart_getc();
if(szchar == '\n')
break;
else STM32_Buf[i++] = szchar;
};
if(i == 1)STM32_Buf[0] = 0x00;
else STM32_Buf[i+1] = 0x00;
// DBGSTR("STM32_GetBuffer : %s",&STM32_Buf[0]);
return &STM32_Buf[0];
}
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