+/* 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-l <log level>\t\tthe verbosity level of libam7xxx output (0-5)\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_context *ctx;
+ am7xxx_device *dev;
+ int log_level = AM7XXX_LOG_INFO;
+ int format = AM7XXX_IMAGE_FORMAT_JPEG;
+ int width = 800;
+ int height = 480;
+ unsigned char *image;
+ unsigned int size;
+ am7xxx_device_info device_info;
+
+ while ((opt = getopt(argc, argv, "f:F:l: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 'l':
+ log_level = atoi(optarg);
+ if (log_level < AM7XXX_LOG_FATAL || log_level > AM7XXX_LOG_TRACE) {
+ fprintf(stderr, "Unsupported log level, falling back to AM7XXX_LOG_ERROR\n");
+ log_level = AM7XXX_LOG_ERROR;
+ }
+ 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;
+ }
+
+ ret = am7xxx_init(&ctx);
+ if (ret < 0) {
+ perror("am7xxx_init");
+ exit_code = EXIT_FAILURE;
+ goto out_munmap;
+ }
+
+ am7xxx_set_log_level(ctx, log_level);
+
+ ret = am7xxx_open_device(ctx, &dev, 0);
+ if (ret < 0) {
+ perror("am7xxx_open_device");
+ exit_code = EXIT_FAILURE;
+ goto cleanup;
+ }
+
+
+ ret = am7xxx_close_device(dev);
+ if (ret < 0) {
+ perror("am7xxx_close_device");
+ exit_code = EXIT_FAILURE;
+ goto cleanup;
+ }
+
+ ret = am7xxx_open_device(ctx, &dev, 0);
+ if (ret < 0) {
+ perror("am7xxx_open_device");
+ exit_code = EXIT_FAILURE;
+ goto cleanup;
+ }
+
+ ret = am7xxx_get_device_info(dev, &device_info);
+ if (ret < 0) {
+ perror("am7xxx_get_info");
+ exit_code = EXIT_FAILURE;
+ goto cleanup;
+ }
+ printf("Native resolution: %dx%d\n",
+ device_info.native_width, device_info.native_height);
+
+ 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(ctx);
+
+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 / commitdiff