-/* picoproj - test program for libam7xxx
- *
- * Copyright (C) 2012 Antonio Ospite <ospite@studenti.unina.it>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-#include "am7xxx.h"
-
-static void usage(char *name)
-{
- printf("usage: %s [OPTIONS]\n\n", name);
- printf("OPTIONS:\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 - YUV - NV12\n");
- printf("\t-W <image width>\tthe width of the image to upload\n");
- printf("\t-H <image height>\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 exit_code = EXIT_SUCCESS;
- int opt;
-
- char filename[FILENAME_MAX] = {0};
- int image_fd;
- struct stat st;
- am7xxx_device dev;
- int format = AM7XXX_IMAGE_FORMAT_JPEG;
- int width = 800;
- int height = 480;
- unsigned char *image;
- unsigned int size;
- unsigned int native_width;
- unsigned int native_height;
- unsigned int unknown0;
- unsigned int unknown1;
-
- 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);
- switch(format) {
- case AM7XXX_IMAGE_FORMAT_JPEG:
- fprintf(stdout, "JPEG format\n");
- break;
- case AM7XXX_IMAGE_FORMAT_NV12:
- fprintf(stdout, "NV12 format\n");
- break;
- default:
- 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;
- case 'h':
- usage(argv[0]);
- exit(EXIT_SUCCESS);
- break;
- default: /* '?' */
- usage(argv[0]);
- exit(EXIT_FAILURE);
- }
- }
-
- if (filename[0] == '\0') {
- fprintf(stderr, "An image file MUST be specified.\n");
- exit_code = EXIT_FAILURE;
- goto out;
- }
-
- image_fd = open(filename, O_RDONLY);
- if (image_fd < 0) {
- perror("open");
- exit_code = EXIT_FAILURE;
- goto out;
- }
- if (fstat(image_fd, &st) < 0) {
- perror("fstat");
- exit_code = EXIT_FAILURE;
- goto out_close_image_fd;
- }
- size = st.st_size;
-
- image = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, image_fd, 0);
- if (image == NULL) {
- perror("mmap");
- exit_code = EXIT_FAILURE;
- goto out_close_image_fd;
- }
-
- dev = am7xxx_init();
- if (dev == NULL) {
- perror("am7xxx_init");
- exit_code = EXIT_FAILURE;
- goto out_munmap;
- }
-
- ret = am7xxx_get_device_info(dev, &native_width, &native_height, &unknown0, &unknown1);
- if (ret < 0) {
- perror("am7xxx_get_info");
- exit_code = EXIT_FAILURE;
- goto cleanup;
- }
- printf("Native resolution: %dx%d\n", native_width, native_height);
- printf("Unknown0: %d\n", unknown0);
- printf("Unknown1: %d\n", unknown1);
-
- ret = am7xxx_set_power_mode(dev, AM7XXX_POWER_LOW);
- if (ret < 0) {
- perror("am7xxx_set_power_mode");
- exit_code = EXIT_FAILURE;
- goto cleanup;
- }
-
- ret = am7xxx_send_image(dev, format, width, height, image, size);
- if (ret < 0) {
- perror("am7xxx_send_image");
- exit_code = EXIT_FAILURE;
- goto cleanup;
- }
-
- exit_code = EXIT_SUCCESS;
-
-cleanup:
- am7xxx_shutdown(dev);
-
-out_munmap:
- ret = munmap(image, size);
- if (ret < 0)
- perror("munmap");
-
-out_close_image_fd:
- ret = close(image_fd);
- if (ret < 0)
- perror("close");
-
-out:
- exit(exit_code);
-}
projects / libam7xxx.git / blobdiff