X-Git-Url: https://git.ao2.it/libam7xxx.git/blobdiff_plain/068e5d1ff2bb37f35dc754ba6a112f5b80ae44fd..8c35b7b5ecb4bdca110bd29adae7b5e47f141d3c:/examples/picoproj.c

diff --git a/examples/picoproj.c b/examples/picoproj.c
index b13a67c..92dbfbf 100644
--- a/examples/picoproj.c
+++ b/examples/picoproj.c
@@ -168,7 +168,8 @@ int main(int argc, char *argv[])
 	}
 
 	if (filename[0] == '\0') {
-		fprintf(stderr, "An image file MUST be specified.\n");
+		fprintf(stderr, "An image file MUST be specified with the -f option.\n\n");
+		usage(argv[0]);
 		exit_code = EXIT_FAILURE;
 		goto out;
 	}
@@ -221,7 +222,6 @@ int main(int argc, char *argv[])
 		goto cleanup;
 	}
 
-
 	ret = am7xxx_close_device(dev);
 	if (ret < 0) {
 		perror("am7xxx_close_device");
@@ -260,13 +260,16 @@ 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 ||
 	    (unsigned int)height > device_info.native_height)
-		fprintf(stderr, "WARNING: image not fitting the native resolution, it may be displayed wrongly!\n");
+		fprintf(stderr,
+			"WARNING: image is %dx%d, not fitting the native resolution, it may be displayed wrongly!\n",
+			width, height);
 
 	ret = am7xxx_send_image(dev, format, width, height, image, size);
 	if (ret < 0) {