stm8 串口通信，发送数字灯亮，字母灯灭

ID:380906 · 发表于 2018-7-30 15:36

#include "stm8s.h"
void UART_Init();

void GPIO_Configuration(void)
{
  GPIO_DeInit(GPIOB);
  GPIO_Init(GPIOB,
         GPIO_PIN_0,
         GPIO_MODE_OUT_PP_HIGH_FAST);
}

void UART_Init()
{
  UART2_DeInit();
  UART2_Init(9600 ,
         UART2_WORDLENGTH_8D,
         UART2_STOPBITS_1 ,
         UART2_PARITY_NO,
         UART2_SYNCMODE_CLOCK_DISABLE,
         UART2_MODE_TXRX_ENABLE);
  UART2_ITConfig(UART2_IT_RXNE,ENABLE);
  UART2_Cmd( ENABLE);
  enableInterrupts();
}

void main()
{
  UART_Init();
  GPIO_Configuration();
  while(1)
  {

  }
}

#pragma vector=23
__interrupt void EXIT_UART2_IRQHander(void)
{
  UART2_ClearITPendingBit(UART2_IT_RXNE);
  if(0x30 <= UART2_ReceiveData8() && UART2_ReceiveData8()<= 0x39)
  {
GPIO_WriteLow(GPIOB, GPIO_PIN_0);
  }
  if((0x41<=UART2_ReceiveData8()&&UART2_ReceiveData8()<= 0x5A)||(0x61<=UART2_ReceiveData8()&&UART2_ReceiveData8()<= 0x7A))
  {
GPIO_WriteHigh(GPIOB, GPIO_PIN_0);
  }

}

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