#include <stdio.h>#include <stdlib.h>#include <gphoto2/gphoto2-camera.h>int main(){ GPContext* context; CameraAbilitiesList* al; GPPortInfoList* il; CameraList* list; const char* model; const char* port; int i, c; Camera** cameras; // Auto-detection of cameras context = gp_context_new(); gp_abilities_list_new(&al); gp_abilities_list_load(al, context); gp_port_info_list_new(&il); gp_port_info_list_load(il); gp_list_new(&list); gp_abilities_list_detect(al, il, list, context); // Now we have the list of connected cameras; let's prepare the structures c=gp_list_count(list); cameras = malloc(sizeof(Camera*)*(c-1)); printf("Number of cameras: %d\n", c); // We skip the first "generic" one for(i=1; i<c; i++) { int m, p; GPPortInfo info; CameraAbilities a; // We get info on the abilities of this camera... gp_list_get_name(list, i, &model); m = gp_abilities_list_lookup_model(al, model); gp_abilities_list_get_abilities(al, m, &a); // We get info about the port... gp_list_get_value(list, i, &port); p = gp_port_info_list_lookup_path(il, port); gp_port_info_list_get_info(il, p, &info); // We allocate and set the camera. printf("Detected camera #%d: name='%s' port='%s'\n", i-1, model, port); gp_camera_new(&cameras[i-1]); gp_camera_set_abilities(cameras[i-1], a); gp_camera_set_port_info(cameras[i-1], info); } // Cleanup gp_list_unref(list); gp_port_info_list_free(il); gp_abilities_list_free(al); // We now initialize the communication with cameras c--; for(i=0; i<c; i++) { gp_camera_init(cameras[i], context); printf("Initializing communication with camera #%d\n", i); } // We now ask some configuration data for(i=0; i<c; i++) { CameraWidget* widget_root; CameraWidget* widget_main; CameraWidget* widget_settings; CameraWidget* widget_owner; char* value; int res; res = gp_camera_get_config(cameras[i], &widget_root, context); printf("Code: %d - %s\n", res, gp_result_as_string(res)); if(res<0) continue; res = gp_widget_get_child_by_name(widget_root, "main", &widget_main); printf("Code: %d - %s\n", res, gp_result_as_string(res)); if(res<0) continue; res = gp_widget_get_child_by_name(widget_main, "settings", &widget_settings); printf("Code: %d - %s\n", res, gp_result_as_string(res)); if(res<0) continue; res = gp_widget_get_child_by_name(widget_settings, "firmwareversion", &widget_owner); printf("Code: %d - %s\n", res, gp_result_as_string(res)); if(res<0) continue; res = gp_widget_get_value(widget_owner, &value); printf("Code: %d - %s\n", res, gp_result_as_string(res)); if(res<0) continue; printf("Camera #%d - owner='%s'\n", i, value); gp_widget_unref(widget_owner); /* gp_widget_unref(widget_settings); gp_widget_unref(widget_main); gp_widget_unref(widget_root); */ } // Cleanup for(i=0; i<c; i++) { gp_camera_exit(cameras[i], context); gp_camera_unref(cameras[i]); } gp_context_unref(context); return 0;}