From: Antonio Ospite Date: Fri, 6 Jan 2012 23:03:55 +0000 (+0100) Subject: Add some command line options X-Git-Tag: v0.1.0~40 X-Git-Url: https://git.ao2.it/libam7xxx.git/commitdiff_plain/a878cffa75e0ce890f79ccb012775f6b23238e06?ds=inline;hp=--cc Add some command line options This will make it easier to experiment with different image size and format. --- a878cffa75e0ce890f79ccb012775f6b23238e06 diff --git a/Makefile b/Makefile index 20b44c4..ed57b89 100644 --- a/Makefile +++ b/Makefile @@ -42,6 +42,7 @@ bindir := $(PREFIX)/sbin all: picoproj CFLAGS += -D_BSD_SOURCE # for htole32() +CFLAGS += -D_POSIX_C_SOURCE=2 # for getopt() picoproj: picoproj.o diff --git a/picoproj.c b/picoproj.c index 2629d02..197d5da 100644 --- a/picoproj.c +++ b/picoproj.c @@ -22,6 +22,7 @@ #include #include #include +#include typedef enum { AM7x01_PACKET_TYPE_INIT = 0x01, @@ -199,15 +200,68 @@ static int send_image(am7x01_image_format format, return send_data(image, size); } +static void usage(char *name) +{ + printf("usage: %s [OPTIONS]\n\n", name); + printf("OPTIONS:\n"); + printf("\t-f \t\tthe image file to upload\n"); + printf("\t-F \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-W \tthe width of the image to upload\n"); + printf("\t-H \tthe height of the image to upload\n"); + printf("\t-h \t\t\tthis help message\n"); +} int main(int argc, char *argv[]) { int ret; + int opt; + + char filename[FILENAME_MAX] = {0}; + int format = AM7x01_IMAGE_FORMAT_JPEG; + int width = 800; + int height = 480; + uint8_t *image = NULL; + int size = 59475; + + while ((opt = getopt(argc, argv, "f:F:W:H:h")) != -1) { + switch (opt) { + case 'f': + strncpy(filename, optarg, FILENAME_MAX); + break; + case 'F': + format = atoi(optarg); + if (format != 1) { + fprintf(stderr, "Unsupported format\n"); + exit(EXIT_FAILURE); + } + break; + case 'W': + width = atoi(optarg); + if (width < 0) { + fprintf(stderr, "Unsupported width\n"); + exit(EXIT_FAILURE); + } + break; + case 'H': + height = atoi(optarg); + if (height < 0) { + fprintf(stderr, "Unsupported height\n"); + exit(EXIT_FAILURE); + } + break; + default: /* '?' */ + usage(argv[0]); + exit(EXIT_FAILURE); + } + } - ret = send_image(AM7x01_IMAGE_FORMAT_JPEG, 800, 480, 59475); + ret = send_image(format, width, height, image, size); if (ret < 0) { perror("send_image"); exit(EXIT_FAILURE); } + exit(EXIT_SUCCESS); }