HACKING.asciidoc: mention how to use valgrind

[libam7xxx.git] / src / picoproj.c

diff --git a/src/picoproj.c b/src/picoproj.c
index 3667e5f..ec7bbb6 100644 (file)
--- a/src/picoproj.c
+++ b/src/picoproj.c
@@ -36,6 +36,7 @@ static void usage(char *name)
        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");
@@ -48,15 +49,22 @@ int main(int argc, char *argv[])
        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;
-       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);
@@ -67,7 +75,7 @@ int main(int argc, char *argv[])
                        case AM7XXX_IMAGE_FORMAT_JPEG:
                                fprintf(stdout, "JPEG format\n");
                                break;
-                       case AM7XXX_IMAGE_FORMAT_YUV_NV12:
+                       case AM7XXX_IMAGE_FORMAT_NV12:
                                fprintf(stdout, "NV12 format\n");
                                break;
                        default:
@@ -75,6 +83,13 @@ int main(int argc, char *argv[])
                                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) {
@@ -89,43 +104,90 @@ int main(int argc, char *argv[])
                                exit(EXIT_FAILURE);
                        }
                        break;
+               case 'h':
+                       usage(argv[0]);
+                       exit(EXIT_SUCCESS);
+                       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;
+       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;
        }
 
+       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");
@@ -136,21 +198,17 @@ int main(int argc, char *argv[])
        exit_code = EXIT_SUCCESS;
 
 cleanup:
-       am7xxx_shutdown(dev);
+       am7xxx_shutdown(ctx);
 
 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:
-       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);