am7xxx: implement am7xxx_send_image_async()
[libam7xxx.git] / examples / picoproj.c
index e15b2a2..d6d1c59 100644 (file)
@@ -160,7 +160,6 @@ int main(int argc, char *argv[])
                case 'h':
                        usage(argv[0]);
                        exit(EXIT_SUCCESS);
-                       break;
                default: /* '?' */
                        usage(argv[0]);
                        exit(EXIT_FAILURE);
@@ -168,7 +167,8 @@ 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;
        }
@@ -264,10 +264,11 @@ int main(int argc, char *argv[])
                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) {