HACKING.asciidoc: mention how to use valgrind

[libam7xxx.git] / src / picoproj.c

diff --git a/src/picoproj.c b/src/picoproj.c
index 259f0f6..ec7bbb6 100644 (file)
--- a/src/picoproj.c
+++ b/src/picoproj.c
@@ -4,7 +4,7 @@
  *
  * 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
  *
  * 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
+ * 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,
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,


@@ -35,6 +35,8 @@ static void usage(char *name)
        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-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");
        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");


@@ -47,26 +49,47 @@ int main(int argc, char *argv[])
        int opt;
 
        char filename[FILENAME_MAX] = {0};
        int opt;
 
        char filename[FILENAME_MAX] = {0};

-       int image_fd = -1;
-       am7xxx_device dev;
+       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;
        int format = AM7XXX_IMAGE_FORMAT_JPEG;
        int width = 800;
        int height = 480;

-       uint8_t *image = NULL;
-       unsigned int size = 59475;
+       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) {
+       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 (opt) {
                case 'f':
                        strncpy(filename, optarg, FILENAME_MAX);
                        break;
                case 'F':
                        format = atoi(optarg);

-                       if (format != 1) {
+                       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;
                                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) {
                case 'W':
                        width = atoi(optarg);
                        if (width < 0) {


@@ -81,43 +104,90 @@ int main(int argc, char *argv[])
                                exit(EXIT_FAILURE);
                        }
                        break;
                                exit(EXIT_FAILURE);
                        }
                        break;

+               case 'h':
+                       usage(argv[0]);
+                       exit(EXIT_SUCCESS);
+                       break;

                default: /* '?' */
                        usage(argv[0]);
                        exit(EXIT_FAILURE);
                }
        }
 
                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;
+       if (filename[0] == '\0') {
+               fprintf(stderr, "An image file MUST be specified.\n");
+               exit_code = EXIT_FAILURE;
+               goto out;
+       }

 
 

-               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;
-               }
+       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;

 
 

-       dev = am7xxx_init();
-       if (dev == NULL) {
+       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;
        }
 
                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, &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");
        ret = am7xxx_send_image(dev, format, width, height, image, size);
        if (ret < 0) {
                perror("am7xxx_send_image");


@@ -128,21 +198,17 @@ int main(int argc, char *argv[])
        exit_code = EXIT_SUCCESS;
 
 cleanup:
        exit_code = EXIT_SUCCESS;
 
 cleanup:

-       am7xxx_shutdown(dev);
+       am7xxx_shutdown(ctx);

 
 out_munmap:
 
 out_munmap:

-       if (image != NULL) {
-               ret = munmap(image, size);
-               if (ret < 0)
-                       perror("munmap");
-       }
+       ret = munmap(image, size);
+       if (ret < 0)
+               perror("munmap");

 
 out_close_image_fd:
 
 out_close_image_fd:

-       if (image_fd >= 0) {
-               ret = close(image_fd);
-               if (ret < 0)
-                       perror("close");
-       }
+       ret = close(image_fd);
+       if (ret < 0)
+               perror("close");

 
 out:
        exit(exit_code);
 
 out:
        exit(exit_code);