X-Git-Url: https://git.ao2.it/libam7xxx.git/blobdiff_plain/e67e885d8577f6dea5b77eef5ec83071a958318a..c8837a57134230c335a85da22322fd794b19ff44:/examples/picoproj.c

diff --git a/examples/picoproj.c b/examples/picoproj.c
index b643918..045f386 100644
--- a/examples/picoproj.c
+++ b/examples/picoproj.c
@@ -35,14 +35,17 @@ static void usage(char *name)
 {
 	printf("usage: %s [OPTIONS]\n\n", name);
 	printf("OPTIONS:\n");
+	printf("\t-d <index>\t\tthe device index (default is 0)\n");
 	printf("\t-f <filename>\t\tthe image file to upload\n");
 	printf("\t-F <format>\t\tthe image format to use (default is JPEG)\n");
 	printf("\t\t\t\tSUPPORTED FORMATS:\n");
 	printf("\t\t\t\t\t1 - JPEG\n");
 	printf("\t\t\t\t\t2 - NV12\n");
 	printf("\t-l <log level>\t\tthe verbosity level of libam7xxx output (0-5)\n");
-	printf("\t-p <power level>\tpower level of device, between %x (off) and %x (maximum)\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
-	printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n\t\t\t\t\t the slave connector to be plugged in.\n");
+	printf("\t-p <power mode>\t\tthe power mode of device, between %d (off) and %d (turbo)\n",
+	       AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
+	printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n");
+	printf("\t\t\t\t         the slave connector to be plugged in.\n");
 	printf("\t-z <zoom mode>\t\tthe display zoom mode, between %d (original) and %d (test)\n",
 	       AM7XXX_ZOOM_ORIGINAL, AM7XXX_ZOOM_TEST);
 	printf("\t-W <image width>\tthe width of the image to upload\n");
@@ -64,6 +67,7 @@ int main(int argc, char *argv[])
 	am7xxx_context *ctx;
 	am7xxx_device *dev;
 	int log_level = AM7XXX_LOG_INFO;
+	int device_index = 0;
 	am7xxx_power_mode power_mode = AM7XXX_POWER_LOW;
 	am7xxx_zoom_mode zoom = AM7XXX_ZOOM_ORIGINAL;
 	int format = AM7XXX_IMAGE_FORMAT_JPEG;
@@ -73,8 +77,15 @@ int main(int argc, char *argv[])
 	unsigned int size;
 	am7xxx_device_info device_info;
 
-	while ((opt = getopt(argc, argv, "f:F:l:p:z:W:H:h")) != -1) {
+	while ((opt = getopt(argc, argv, "d:f:F:l:p:z:W:H:h")) != -1) {
 		switch (opt) {
+		case 'd':
+			device_index = atoi(optarg);
+			if (device_index < 0) {
+				fprintf(stderr, "Unsupported device index\n");
+				exit(EXIT_FAILURE);
+			}
+			break;
 		case 'f':
 			if (filename[0] != '\0')
 				fprintf(stderr, "Warning: image file already specified\n");
@@ -109,10 +120,11 @@ int main(int argc, char *argv[])
 			case AM7XXX_POWER_MIDDLE:
 			case AM7XXX_POWER_HIGH:
 			case AM7XXX_POWER_TURBO:
-				fprintf(stdout, "Power mode: %x\n", power_mode);
+				fprintf(stdout, "Power mode: %d\n", power_mode);
 				break;
 			default:
-				fprintf(stderr, "Invalid power mode value, must be between %x and %x\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
+				fprintf(stderr, "Invalid power mode value, must be between %d and %d\n",
+					AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
 				exit(EXIT_FAILURE);
 			}
 			break;
@@ -217,7 +229,7 @@ int main(int argc, char *argv[])
 		goto cleanup;
 	}
 
-	ret = am7xxx_open_device(ctx, &dev, 0);
+	ret = am7xxx_open_device(ctx, &dev, device_index);
 	if (ret < 0) {
 		perror("am7xxx_open_device");
 		exit_code = EXIT_FAILURE;
@@ -248,8 +260,10 @@ int main(int argc, char *argv[])
 	}
 
 	/* When setting AM7XXX_ZOOM_TEST don't display the actual image */
-	if (zoom == AM7XXX_ZOOM_TEST)
+	if (zoom == AM7XXX_ZOOM_TEST) {
+		printf("AM7XXX_ZOOM_TEST requested, not sending actual image.\n");
 		goto cleanup;
+	}
 
 
 	if ((unsigned int)width > device_info.native_width ||