X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ao-tools%2Fao-cal-freq%2Fao-cal-freq.c;fp=ao-tools%2Fao-cal-freq%2Fao-cal-freq.c;h=838fbab3a6f6947844a97e692d58515b75093b44;hp=12c2a3ae9f6c845b809025a37068844d7d1c7e8b;hb=d2ea6454ebdf8ac7c3a24a738672c57d3f3f885c;hpb=523e51d2cd2dfc5c0c4ca5a893b005916c46d46a

diff --git a/ao-tools/ao-cal-freq/ao-cal-freq.c b/ao-tools/ao-cal-freq/ao-cal-freq.c
index 12c2a3ae..838fbab3 100644
--- a/ao-tools/ao-cal-freq/ao-cal-freq.c
+++ b/ao-tools/ao-cal-freq/ao-cal-freq.c
@@ -38,14 +38,15 @@
 static const struct option options[] = {
 	{ .name = "tty", .has_arg = 1, .val = 'T' },
 	{ .name = "device", .has_arg = 1, .val = 'D' },
-	{ .name = "raw", .has_arg = 0, .val = 'r' },
 	{ .name = "verbose", .has_arg = 0, .val = 'v' },
+	{ .name = "output", .has_arg = 1, .val = 'o' },
+	{ .name = "nosave", .has_arg = 0, .val = 'n' },
 	{ 0, 0, 0, 0},
 };
 
 static void usage(char *program)
 {
-	fprintf(stderr, "usage: %s [--verbose] [--device=<device>] [-tty=<tty>]\n", program);
+	fprintf(stderr, "usage: %s [--verbose] [--nosave] [--device=<device>] [-tty=<tty>] [--output=<cal-value-file>]\n", program);
 	exit(1);
 }
 
@@ -168,7 +169,60 @@ await_key(void)
 }
 
 int
-do_cal(char *tty) {
+do_save(struct cc_usb *usb)
+{
+	int ret = 0;
+
+	printf("Saving calibration to device\n");
+	cc_usb_printf(usb, "c w\nv\n");
+	for (;;) {
+		char	line[512];
+
+		cc_usb_getline(usb, line, sizeof (line));
+		if (strstr(line, "Nothing to save"))
+			ret = 1;
+		if (strstr(line, "Saved"))
+			ret = 1;
+		if (strstr(line, "software-version"))
+			break;
+	}
+	if (!ret) {
+		printf("Calibration save failed\n");
+	}
+	return ret;
+}
+
+int
+do_output(char *output, int cur_cal)
+{
+	printf ("Saving calibration value to file \"%s\"\n", output);
+
+	FILE	*out = fopen(output, "w");
+	int	ret = 1;
+
+	if (!out) {
+		perror(output);
+		return 0;
+	}
+
+	if (fprintf(out, "%d\n", cur_cal) < 0) {
+		perror("fprintf");
+		ret = 0;
+	}
+	if (fflush(out) != 0) {
+		perror("fflush");
+		ret = 0;
+	}
+	if (fclose(out) != 0) {
+		perror("fclose");
+		ret = 0;
+	}
+	return ret;
+}
+
+int
+do_cal(char *tty, int save, char *output)
+{
 	struct cc_usb *usb = NULL;
 	struct flash	*b;
 	char	line[1024];
@@ -180,36 +234,26 @@ do_cal(char *tty) {
 	int	cur_cal;
 	int	new_cal;
 	int	ret = 1;
+	int	changed = 0;
 
 	for(;;) {
 		usb = cc_usb_open(tty);
 
-		if (!usb)
-			exit(1);
+		if (!usb) {
+			fprintf(stderr, "failed to open device\n");
+			ret = 0;
+			break;
+		}
 
 		cc_usb_printf(usb, "E 0\n");
 
-		cc_usb_sync(usb);
-		cc_usb_printf(usb, "C 1\n");
-		cc_usb_sync(usb);
-
-		printf("Generating RF carrier. Please enter measured frequency [enter for done]: ");
-		fflush(stdout);
-		fgets(line, sizeof (line) - 1, stdin);
-		cc_usb_printf(usb, "C 0\n");
-		cc_usb_sync(usb);
-
-		measured_freq = strtod(line, &line_end);
-		if (line_end == line)
-			break;
-
 		b = flash(usb);
 
 		cur_cal_words = find_flash(b, "Radio cal:");
 		cur_freq_words = find_flash(b, "Frequency:");
 
 		if (!cur_cal_words || !cur_freq_words) {
-			printf("no response\n");
+			fprintf(stderr, "no response\n");
 			ret = 0;
 			break;
 		}
@@ -218,19 +262,50 @@ do_cal(char *tty) {
 		cur_freq = atoi(cur_freq_words[1]);
 
 		printf ("Current radio calibration %d\n", cur_cal);
-		printf ("Current radio frequency: %d\n", cur_freq);
+		printf ("Current radio frequency: %7.3f\n", cur_freq / 1000.0);
+
+		cc_usb_sync(usb);
+		cc_usb_printf(usb, "C 1\n");
+		cc_usb_sync(usb);
+
+		printf("Generating RF carrier. Please enter measured frequency [enter for done]: ");
+		fflush(stdout);
+		fgets(line, sizeof (line) - 1, stdin);
+		cc_usb_printf(usb, "C 0\n");
+		cc_usb_sync(usb);
 
+		measured_freq = strtod(line, &line_end);
+		if (line_end == line)
+			break;
 
 		new_cal = floor ((((double) cur_freq / 1000.0) / measured_freq) * cur_cal + 0.5);
 
-		printf ("Programming flash with cal value %d\n", new_cal);
+		if (new_cal == cur_cal) {
+			printf("Calibration value %d unchanged\n", cur_cal);
+		} else {
+			printf ("Setting cal value %d\n", new_cal);
 
-		cc_usb_printf (usb, "c f %d\nc w\n", new_cal);
-		cc_usb_sync(usb);
+			cc_usb_printf (usb, "c f %d\n", new_cal);
+			changed = 1;
+			cc_usb_sync(usb);
+		}
 		cc_usb_close(usb);
 	}
-	if (usb)
+	if (usb) {
+		if (ret && save) {
+			if (changed) {
+				if (!do_save(usb))
+					ret = 0;
+			} else {
+				printf("Calibration unchanged, not saving\n");
+			}
+		}
+		if (ret && output) {
+			if (!do_output(output, cur_cal))
+				ret = 0;
+		}
 		cc_usb_close(usb);
+	}
 	return ret;
 }
 
@@ -247,10 +322,12 @@ main (int argc, char **argv)
 	char			*tty = NULL;
 	int			success;
 	int			verbose = 0;
+	int			save = 1;
 	int			ret = 0;
 	int			expected_size;
+	char			*output = NULL;
 
-	while ((c = getopt_long(argc, argv, "vrT:D:c:s:", options, NULL)) != -1) {
+	while ((c = getopt_long(argc, argv, "vnT:D:o:", options, NULL)) != -1) {
 		switch (c) {
 		case 'T':
 			tty = optarg;
@@ -261,6 +338,12 @@ main (int argc, char **argv)
 		case 'v':
 			verbose++;
 			break;
+		case 'n':
+			save = 0;
+			break;
+		case 'o':
+			output = optarg;
+			break;
 		default:
 			usage(argv[0]);
 			break;
@@ -268,8 +351,7 @@ main (int argc, char **argv)
 	}
 
 	ao_verbose = verbose;
-
-	if (verbose > 1)
+	if (verbose)
 		ccdbg_add_debug(CC_DEBUG_BITBANG);
 
 	if (!tty)
@@ -281,6 +363,7 @@ main (int argc, char **argv)
 	if (!tty)
 		tty="/dev/ttyACM0";
 
-	if (!do_cal(tty))
+	if (!do_cal(tty, save, output))
 		ret = 1;
+	return ret;
 }