Use Cmake and make libam7xxx a shared library

[libam7xxx.git] / src / picoproj.c

diff --git a/src/picoproj.c b/src/picoproj.c
new file mode 100644 (file)
index 0000000..010d4d1
--- /dev/null
+++ b/src/picoproj.c
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+/* picoproj - test program for libam7xxx
+ *
+ * Copyright (C) 2011  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 3 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-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 = -1;
+       am7xxx_device dev;
+       int format = AM7XXX_IMAGE_FORMAT_JPEG;
+       int width = 800;
+       int height = 480;
+       uint8_t *image = NULL;
+       unsigned 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);
+               }
+       }
+
+       if (filename[0] != '\0') {
+               struct stat st;
+               
+               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_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:
+       if (image != NULL) {
+               ret = munmap(image, size);
+               if (ret < 0)
+                       perror("munmap");
+       }
+
+out_close_image_fd:
+       if (image_fd >= 0) {
+               ret = close(image_fd);
+               if (ret < 0)
+                       perror("close");
+       }
+
+out:
+       exit(exit_code);
+}