int main (int argc, char **argv) { GPPort *p; KncCntrl *c; KncCamRes r; KncInfo ki; KncImageInfo kii; KncBitRate br; KncBitFlag bf; GPPortSettings s; printf ("Connecting to camera...\n"); c = gpknc_cntrl_new_from_path ("serial:/dev/ttyS0"); if (!c) { printf ("... failed.\n"); return 1; } knc_cntrl_set_func_data (c, test_data, NULL); knc_cntrl_set_func_log (c, test_log , NULL); printf ("... done.\n"); printf ("Setting speed to 115200...\n"); p = gpknc_cntrl_get_port (c); br = KNC_BIT_RATE_115200; bf = KNC_BIT_FLAG_8_BITS; CR (knc_set_io_pref (c, NULL, &br, &bf)); gp_port_get_settings (p, &s); s.serial.speed = 115200; gp_port_set_settings (p, s); printf ("Requesting information about the camera...\n"); CR (knc_get_info (c, &r, &ki)); if (r) printf ("### Error %i: '%s'!\n", r, knc_cam_res_name (r)); else { printf (" - Model '%s'\n", ki.model); printf (" - Serial number '%s'\n", ki.serial_number); printf (" - Name '%s'\n", ki.name); printf (" - Manufacturer '%s'\n", ki.manufacturer); } printf ("Capturing preview...\n"); CR (knc_get_preview (c, &r, KNC_PREVIEW_NO)); printf ("Requesting information about the first image...\n"); CR (knc_get_image_info (c, &r, 1, &kii)); if (r) printf ("### Error 0x%04x: '%s!\n", r, knc_cam_res_name (r)); else { printf (" - ID %li\n", kii.id); printf (" - Size %i\n", kii.size); printf (" - Protected: %s\n", kii.prot ? "yes" : "no"); } printf ("Downloading preview of first image...\n"); CR (knc_get_image (c, NULL, kii.id, KNC_SOURCE_CARD, KNC_IMAGE_THUMB)); knc_cntrl_unref (c); return 0; }
static int camera_capture_preview (Camera* camera, CameraFile* file, GPContext *context) { KncCamRes cr; knc_cntrl_set_func_data (camera->pl->c, data_func, file); CR (knc_get_preview (camera->pl->c, &cr, KNC_PREVIEW_YES), context); C (gp_file_set_mime_type (file, GP_MIME_JPEG)); return (GP_OK); }