Svenska ElektronikForumet

Kod: Markera allt

#include <avr/io.h>

#define USART_BAUDRATE 2400
#define BAUD_PRESCALE (((1000000 / (USART_BAUDRATE * 16UL))) - 1)

void SendData(char *TextToSend, uint8_t length)
{
	uint8_t i = 0;
	while (i != length)
	{
		while ((UCSR0A & 0b00100000) != 0b00100000)
		{
		}
		UDR0 = TextToSend[i];
		i++;
	}
}

int main(void)
{
	uint8_t sent = 0;
	
	UCSR0B |= (1 << RXEN0) | (1 << TXEN0);							// Turn on the transmission and reception circuitry
	UCSR0C |= (1 << UCSZ00) | (1 << UCSZ01);						// Use 8-bit character sizes

	UBRR0H = (BAUD_PRESCALE >> 8);									// Load upper 8-bits of the baud rate value into the high byte of the UBRR register
	UBRR0L = BAUD_PRESCALE;											// Load lower 8-bits of the baud rate value into the low byte of the UBRR register

	char tempArray[3];
	tempArray[0] = 2;
	tempArray[1] = 3;
	tempArray[2] = 4;
	char tempArray2[1];
	tempArray2[0] = 1;
	SendData(&tempArray2,1);
        SendData(&tempArray[0], 3);
    while(1)
    {
		
    }
}