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61 lines
1.0 KiB
C
61 lines
1.0 KiB
C
/*
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* fw/main.c - Initialization of Antorcha firmware
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*
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* Written 2012 by Werner Almesberger
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* Copyright 2012 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <avr/io.h>
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#include "io.h"
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#include "rf.h"
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int main(void)
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{
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/* Port B has two LEDs and the rest is SPI */
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PORTB = MASK(B, RF_nSS) | MASK(B, RF_nRST);
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DDRB = MASK(B, RF_SCLK) | MASK(B, RF_MOSI) | MASK(B, RF_nSS) |
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MASK(B, RF_nRST) | 0xc0;
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/* All port C pins drive LEDs */
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PORTC = 0;
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DDRC = 0x3f;
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/* All port D pins drive LEDs */
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PORTD = 0;
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DDRD = 0xff;
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/* disable pull-ups */
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MCUCR |= 1 << PUD;
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rf_init();
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while (0) {
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PORTC = 2;
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PORTC = 0;
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rf_send("HOLA ?", 6);
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}
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while (1) {
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uint8_t buf[1], got;
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do {
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PORTC = 1;
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PORTC = 0;
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got = rf_recv(buf, 1);
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}
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while (!got);
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PORTC = 2;
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PORTC = 0;
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PORTD = buf[0];
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}
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}
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