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/*
i2ctest.c
Copyright 2008-2011 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 <pthread.h>
#include "sim_avr.h"
#include "avr_twi.h"
#include "sim_elf.h"
#include "sim_gdb.h"
#include "sim_vcd_file.h"
#include "i2c_eeprom.h"
avr_t * avr = NULL;
avr_vcd_t vcd_file;
i2c_eeprom_t ee;
int main(int argc, char *argv[])
{
elf_firmware_t f;
const char * fname = "atmega1280_i2ctest.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);
// initialize our 'peripheral', setting the mask to allow read and write
i2c_eeprom_init(avr, &ee, 0xa0, 0x01, NULL, 1024);
i2c_eeprom_attach(avr, &ee, AVR_IOCTL_TWI_GETIRQ(0));
ee.verbose = 1;
// even if not setup at startup, activate gdb if crashing
avr->gdb_port = 1234;
if (0) {
//avr->state = cpu_Stopped;
avr_gdb_init(avr);
}
/*
* VCD file initialization
*
* This will allow you to create a "wave" file and display it in gtkwave
* Pressing "r" and "s" during the demo will start and stop recording
* the pin changes
*/
// avr_vcd_init(avr, "gtkwave_output.vcd", &vcd_file, 100000 /* usec */);
// avr_vcd_add_signal(&vcd_file,
// avr_io_getirq(avr, AVR_IOCTL_TWI_GETIRQ(0), TWI_IRQ_STATUS), 8 /* bits */ ,
// "TWSR" );
printf( "\nDemo launching:\n");
int state = cpu_Running;
while ((state != cpu_Done) && (state != cpu_Crashed))
state = avr_run(avr);
}
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