sysprog-basic/print/main.c

40 lines
807 B
C

#define F_CPU 16000000UL
#define __AVR_ATmega328P__
#include <avr/interrupt.h>
#include <avr/io.h>
#include <util/delay.h>
#include "../include/uart.h"
#include "../include/adc.h"
#include "../include/rand.h"
#define BAUD 9600
#define MYUBRR F_CPU/16/BAUD-1
int main (void)
{
uart_init();
adc_init();
sei();
char buf[10];
uint16_t sensor[2] = { 0, 1 };
while (1)
{
// lets say we read some value from a sensor
sensor[0] = adc_read(0);
sensor[1] = adc_read(1);
// we want to print this, so we store the ascii repr in our buffer
uart_printi("sensor 0: ", sensor[0]);
uart_printi("sensor 1: ", sensor[1]);
_delay_ms(1000);
}
}
ISR (USART_RX_vect) {
// echo the message
char c = UDR0;
uart_printc(c);
}