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/*
ds1338_demo.c
Copyright 2014 Doug Szumski <d.s.szumski@gmail.com>
Copyright 2011 Michel Pollet <buserror@gmail.com>
This file is part of simavr.
simavr is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
simavr is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with simavr. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <stdio.h>
#include <libgen.h>
#include "sim_avr.h"
#include "avr_twi.h"
#include "sim_elf.h"
#include "sim_gdb.h"
#include "ds1338_virt.h"
avr_t * avr = NULL;
ds1338_virt_t ds1338_virt;
int main(int argc, char *argv[])
{
elf_firmware_t f;
const char * fname = "atmega32_ds1338.axf";
printf("Firmware pathname is %s\n", fname);
elf_read_firmware(fname, &f);
printf("firmware %s f=%d mmcu=%s\n", fname, (int)f.frequency, f.mmcu);
avr = avr_make_mcu_by_name(f.mmcu);
if (!avr) {
fprintf(stderr, "%s: AVR '%s' not known\n", argv[0], f.mmcu);
exit(1);
}
avr_init(avr);
avr_load_firmware(avr, &f);
// Initialise our 'peripheral'
ds1338_virt_init(avr, &ds1338_virt);
// Hook up the TWI bus
ds1338_virt_attach_twi(&ds1338_virt, AVR_IOCTL_TWI_GETIRQ(0));
// Connect the square wave output
ds1338_pin_t wiring = {
.port = 'D',
.pin = 3
};
ds1338_virt_attach_square_wave_output (&ds1338_virt, &wiring);
// Even if not setup at startup, activate gdb if crashing
avr->gdb_port = 1234;
if (0) {
avr->state = cpu_Stopped;
avr_gdb_init(avr);
}
printf( "\nDS1338 demo launching:\n");
// Enable debug info
// TODO: Convert to logger?
ds1338_virt.verbose = 1;
int state = cpu_Running;
while ((state != cpu_Done) && (state != cpu_Crashed))
state = avr_run(avr);
}
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