//-----------------------------------------------------------------------------
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Flasher frontend tool
//-----------------------------------------------------------------------------

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sleep.h"
#include "proxusb.h"
#include "flash.h"

static void usage(char *argv0)
{
	fprintf(stderr, "Usage:   %s [-b] image.elf [image.elf...]\n\n", argv0);
	fprintf(stderr, "\t-b\tEnable flashing of bootloader area (DANGEROUS)\n\n");
	fprintf(stderr, "Example: %s path/to/osimage.elf path/to/fpgaimage.elf\n", argv0);
}

#define MAX_FILES 4

int main(int argc, char **argv)
{
	int can_write_bl = 0;
	int num_files = 0;
	int res;
	flash_file_t files[MAX_FILES];

	memset(files, 0, sizeof(files));

	if (argc < 2) {
		usage(argv[0]);
		return -1;
	}

	for (int i = 1; i < argc; i++) {
		if (argv[i][0] == '-') {
			if (!strcmp(argv[i], "-b")) {
				can_write_bl = 1;
			} else {
				usage(argv[0]);
				return -1;
			}
		} else {
			res = flash_load(&files[num_files], argv[i], can_write_bl);
			if (res < 0) {
				fprintf(stderr, "Error while loading %s\n", argv[i]);
				return -1;
			}
			fprintf(stderr, "\n");
			num_files++;
		}
	}

	usb_init();

	fprintf(stderr, "Waiting for Proxmark to appear on USB...");
	while (!OpenProxmark(1)) {
		sleep(1);
		fprintf(stderr, ".");
	}
	fprintf(stderr, " Found.\n");

	res = flash_start_flashing(can_write_bl);
	if (res < 0)
		return -1;

	fprintf(stderr, "\nFlashing...\n");

	for (int i = 0; i < num_files; i++) {
		res = flash_write(&files[i]);
		if (res < 0)
			return -1;
		flash_free(&files[i]);
		fprintf(stderr, "\n");
	}

	fprintf(stderr, "Resetting hardware...\n");

	res = flash_stop_flashing();
	if (res < 0)
		return -1;

	CloseProxmark();

	fprintf(stderr, "All done.\n\n");
	fprintf(stderr, "Have a nice day!\n");

	return 0;
}
