STM32 VL Discovery ile ARM Programlama - USART Haberlesmesi

STM32 VL DISCOVERY - USART HABERLEŞMESİ TX YouTube Videom

STM32 VL DISCOVERY - USART HABERLEŞMESİ RX  YouTube Videom ve KODLARI

#include "stm32f10x.h"
#include "delay.h"
#include "stdio.h"

int i=0;
char str[50];
uint16_t data=0;


void USART_Puts(USART_TypeDef* USARTx , volatile char *s)
{
 while(*s)
 {
  while(!(USARTx -> SR & 0x00000040));   
  USART_SendData(USARTx, *s);
  *s++;
 }
}


void all_init()
{
 GPIO_InitTypeDef GPIO_InitStructure;
 USART_InitTypeDef USART_InitStructure;
 
 RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE);
 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC,ENABLE);
 
 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
 GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_9; // USART1 TX
 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_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
 GPIO_Init(GPIOA, &GPIO_InitStructure); 
 
 
 GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_8;
 GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_Out_PP;
 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
 GPIO_Init(GPIOC, &GPIO_InitStructure);
 
 
 
 USART_InitStructure.USART_BaudRate        =  9600;  
 USART_InitStructure.USART_HardwareFlowControl   =  USART_HardwareFlowControl_None;
 USART_InitStructure.USART_Mode        = USART_Mode_Tx | USART_Mode_Rx;
 USART_InitStructure.USART_Parity       =  USART_Parity_No;
 USART_InitStructure.USART_StopBits    = USART_StopBits_1;
 USART_InitStructure.USART_WordLength   =  USART_WordLength_8b;
 USART_Init(USART1, &USART_InitStructure);
 
 USART_Cmd(USART1,ENABLE); 
}

int main()
{
 delay_init();
 all_init();
 sprintf(str,"\f");
 while(1)
 {
 
  data=USART_ReceiveData(USART1);
  if(data=='1')
  {
   GPIO_SetBits(GPIOC,GPIO_Pin_8);
  }
  if(data=='0')
  {
   GPIO_ResetBits(GPIOC,GPIO_Pin_8);
  }
  
  
  delay_ms(50);
  
 }
 
}