35 lines
889 B
C
35 lines
889 B
C
#include <stdio.h>
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#include <avr/io.h>
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#include <util/delay.h>
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#include "uart.h"
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#include "print_helper.h"
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#define BLINK_DELAY_MS 100
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int main (void)
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{
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/* set pin 3 of PORTA for output*/
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DDRA |= _BV(DDA3);
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/* Init stdio on UART0 and UART3 and print user code info */
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uart0_init();
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uart3_init();
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stdout = stdin = &uart0_io;
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stderr = &uart3_out;
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fprintf(stderr, "Version: %s built on: %s %s\n",
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GIT_DESCR, __DATE__, __TIME__);
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fprintf(stderr, "avr-libc version: %s\n", __AVR_LIBC_VERSION_STRING__);
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/* End stdio init and info print */
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/* ASCII table print */
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print_ascii_tbl(stderr);
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while (1) {
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/* set pin 3 high to turn led on */
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PORTA |= _BV(PORTA3);
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_delay_ms(BLINK_DELAY_MS);
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/* set pin 3 low to turn led off */
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PORTA &= ~_BV(PORTA3);
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_delay_ms(BLINK_DELAY_MS);
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}
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}
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