Stm32f407 discovery MikroC arm uart2 kesme örneği

[muratmert4]

Fforumdan bir arkadaşın isteği üzerine minik bir örnek.

sbit LED1  at GPIOD_ODR.B12;
sbit LED2  at GPIOD_ODR.B13;
sbit LED3  at GPIOD_ODR.B14;
sbit LED4  at GPIOD_ODR.B15;
unsigned char rcv = 0;
char *yazi="deneme yazi yazma\n\r";
//void data_received();//iv IVT_INT_USART2 ics ICS_AUTO
void set_up();
void USART2_send(unsigned char value);
void yaz(char *s);




void main()
{
     set_up();
    
     yaz(yazi);
     Delay_ms(500);
     while(1)
     {
     
       yaz(yazi); Delay_ms(500);
     
     
     }
}
//-------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------
void data_received()iv IVT_INT_USART2 ics ICS_AUTO          //RX interrupt subroutine
{
   if(USART2_SRbits.RXNE == 1)          //RX buffer veri geldi
   {
       rcv = (0xFF & USART2_DR);        //gelen datayı okuma registeri
   }
   USART2_send(rcv);                    //gelen datayı gönder _******deneme için ******* normal rutinde burada olmaz
}
//-------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------
void USART2_send(unsigned char value)
{
     USART2_DR = (value);//& 0xFF); // yollanacak datayıusart2 nin registerinden yolla
     while(USART2_SRbits.TXE == 0);     //data transmisyonu komple bitene kadar bekle
}
//-------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------
void yaz(char *s)
{
  while(*s)
  {
    USART2_send(*s++); // Send Char_karekter yolla
  }
}
//-------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------
void set_up()
{
GPIO_Digital_Output(&GPIOD_BASE, _GPIO_PINMASK_12);
GPIO_Digital_Output(&GPIOD_BASE, _GPIO_PINMASK_13);
GPIO_Digital_Output(&GPIOD_BASE, _GPIO_PINMASK_14);
GPIO_Digital_Output(&GPIOD_BASE, _GPIO_PINMASK_15);
UART2_Init_Advanced(9600, _UART_8_BIT_DATA, _UART_NOPARITY, _UART_ONE_STOPBIT, &_GPIO_MODULE_USART2_PA23); // seri port ayarı
     USART2_CR1bits.RXNEIE = 1;             // seri port enable RX interrupt biti aktif
     NVIC_IntEnable(IVT_INT_USART2);        // usart2 kesme aktif
     
     Delay_ms(1000);
     
     LED1=1; Delay_ms(1000);
     LED1=0; Delay_ms(1000);
     LED2=1; Delay_ms(1000);
     LED2=0; Delay_ms(1000);
     LED3=1; Delay_ms(1000);
     LED3=0; Delay_ms(1000);
     LED4=1; Delay_ms(1000);
     LED4=0; Delay_ms(1000);
}
//-------------------------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------------------------

}