Mercurial > avr_jtag
diff tests/ledtest.c @ 0:a0ce8ebf2f18
LED on PINB0 & PINB1 and UART testing.
- LED flasing on PINB0 & PINB1.
- print 'hello' messages to UART for every flashing round.
| author | Thinker K.F. Li <thinker@branda.to> |
|---|---|
| date | Sat, 21 Feb 2009 15:49:59 +0800 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/ledtest.c Sat Feb 21 15:49:59 2009 +0800 @@ -0,0 +1,41 @@ +#include <stdio.h> +#include "avriotools.h" +#include <util/delay.h> +#include <avr/io.h> + +int main(int argc, char *const argv[]) { + int i, cnt = 0; + const char *msg = "hello%d\n"; + char buf[64]; + + uart_init(400000); + + pin_mode(&PORTB, PINB0, PM_OUTPUT); + pin_mode(&PORTB, PINB1, PM_OUTPUT); + pin_lo(PORTB, PINB1); + for(i = 0; i < 30; i++) { + pin_hi(PORTB, PINB0); + _delay_ms(100); + pin_lo(PORTB, PINB0); + _delay_ms(100); + } + + while(1) { + pin_hi(PORTB, PINB0); + _delay_ms(100); + pin_lo(PORTB, PINB0); + _delay_ms(100); + pin_hi(PORTB, PINB0); + _delay_ms(100); + pin_lo(PORTB, PINB0); + _delay_ms(100); + pin_hi(PORTB, PINB0); + _delay_ms(500); + pin_lo(PORTB, PINB0); + _delay_ms(100); + + sprintf(buf, msg, cnt++); + for(i = 0; buf[i] != 0; i++) + uart_putc(buf[i]); + } +}