new file: .gitignore
new file: maintain_focus_record_back.c
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Brett Weiland
parent
1ab4cc22cc
commit
88772641e7
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.gitignore
vendored
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.gitignore
vendored
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capture_focus
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maintain_focus_record_back.c
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maintain_focus_record_back.c
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <gphoto2/gphoto2.h>
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#include <time.h>
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#include <ncurses.h>
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#define FOCUS_WIDGET_NAME "manualfocusdrive"
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#define VIEWFINDER_WIDGET_NAME "viewfinder"
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/**
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gp_widget_set_value(CameraWidget*, const void) <-sets value
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gp_widget_get_child_by_label(CameraWidget* widget, const char* label, CameraWidget ** child) <- child is widget
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gp_camera_get_config(Camera* camera, CameraWidget **window, GpContext* context) <- window is parent
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camera_init(Camera* camera, GPContext *context)
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Create context:
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context = gp_context_new();
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gp_context_set_error_func (context, ctx_error_func, NULL);
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gp_context_set_status_func (context, ctx_status_func, NULL);
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Create camera:
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gp_camera_new(&camera); <- point to return value
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**/
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void user_conf() {
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printw("\nPress enter to continue.\n");
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refresh();
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getchar();
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}
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int set_widget_value(CameraWidget *widget, void *widget_value, const char *widget_name, Camera *camera, GPContext *context) {
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int err;
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if ((err = gp_widget_set_value(widget, widget_value)) != 0) {
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printw("Error setting local widget value: %s\nThis is not the hardware\'s fault. Fix your code!\n", gp_result_as_string(err));
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return(1);
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}
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if((err = gp_camera_set_single_config(camera, widget_name, widget, context)) != 0) {
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printw("Error modifying camera widget: %s\n", gp_result_as_string(err));
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return(2);
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}
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}
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int main() {
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char focus_state[8] = "None";
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int user_focusing = 1;
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int toggle = 1; //wish there was a better way to do this...
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int key;
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int err;
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unsigned int focal_near[3] = {0, 0, 0};
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unsigned int focal_far[3] = {0, 0, 0};
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Camera *cam;
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CameraWidget *widget_root;
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CameraWidget *focus_widget;
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CameraWidget *liveview_widget;
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initscr();
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cbreak();
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noecho();
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char *key_help_msg = "Press [q] [w] [e] to focus closer, [q] moving the fastest.\nPress [a] [s] [d] to focus further, [a] being the fastest.\nPress [Q] when done.\n";
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GPContext *context = gp_context_new();
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gp_camera_new(&cam);
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//start up and connect to camera
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printw("Initilizing camera...\n");
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refresh();
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if ((err = gp_camera_init(cam, context)) != 0) {
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printw("Couldn't connect to camera: %s\n", gp_result_as_string(err));
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refresh();
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return(1);
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}
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//get configuration tree
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gp_camera_get_config(cam, &widget_root, context);
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//get child widgets
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gp_widget_get_child_by_name(widget_root, FOCUS_WIDGET_NAME, &focus_widget);
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gp_widget_get_child_by_name(widget_root, VIEWFINDER_WIDGET_NAME, &liveview_widget);
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//set to liveview so we can ajust focus
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set_widget_value(liveview_widget, &toggle, VIEWFINDER_WIDGET_NAME, cam, context);
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printw("\nCamera now connected.\nOn the camera, manually focus all the way to the left. Turn on autofocus when done.\n");
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user_conf();
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/**
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* Left: far
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* Right: near
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* Powerful: 3
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* There's a lot of limitations, such as not knowing when we've hit the limit. We'll just have to depend on the user (me!) for that.
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* We also don't know how much "Near/Far 3" is compared to "Near/Far 1".
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*/
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while(user_focusing) {
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clear();
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printw("%s", key_help_msg);
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printw("Near 3:\t\t%i\nNear 2:\t\t%i\nNear 1:\t\t%i\nFar 3:\t\t%i\nFar 2:\t\t%i\nFar 1:\t\t%i\n", focal_near[2], focal_near[1], focal_near[0], focal_far[2], focal_far[1], focal_far[0]);
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refresh();
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flushinp();
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switch(getch()) {
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case 'q':
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focal_near[2]++;
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set_widget_value(focus_widget, "Near 3", FOCUS_WIDGET_NAME, cam, context);
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usleep(500000);
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break;
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case 'w':
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focal_near[1]++;
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set_widget_value(focus_widget, "Near 2", FOCUS_WIDGET_NAME, cam, context);
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usleep(250000);
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break;
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case 'e':
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focal_near[0]++;
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set_widget_value(focus_widget, "Near 1", FOCUS_WIDGET_NAME, cam, context);
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usleep(125000);
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break;
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case 'a':
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focal_far[2]++;
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set_widget_value(focus_widget, "Far 3", FOCUS_WIDGET_NAME, cam, context);
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usleep(500000);
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break;
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case 's':
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focal_far[1]++;
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set_widget_value(focus_widget, "Far 2", FOCUS_WIDGET_NAME, cam, context);
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usleep(250000);
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break;
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case 'd':
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focal_far[0]++;
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set_widget_value(focus_widget, "Far 1", FOCUS_WIDGET_NAME, cam, context);
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usleep(125000);
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break;
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case 'Q':
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user_focusing = 0;
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break;
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default:
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break;
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}
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}
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clear();
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printw("Focal length saved, put on the filter now. You can turn off autofocus.\n");
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user_conf();
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clear();
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printw("Manually focus all the way to left, then turn on autofocus.\n");
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user_conf();
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clear();
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printw("Restoring focus...\n");
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for(; focal_near[2] >= 1; focal_near[2]--) {
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set_widget_value(focus_widget, "Near 3", FOCUS_WIDGET_NAME, cam, context);
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usleep(500000);
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}
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for(; focal_near[1] >= 1; focal_near[1]--) {
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set_widget_value(focus_widget, "Near 2", FOCUS_WIDGET_NAME, cam, context);
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usleep(250000);
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}
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for(; focal_near[0] >= 1; focal_near[0]--) {
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set_widget_value(focus_widget, "Near 1", FOCUS_WIDGET_NAME, cam, context);
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usleep(125000);
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}
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for(; focal_far[2] >= 1; focal_far[2]--) {
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set_widget_value(focus_widget, "Far 3", FOCUS_WIDGET_NAME, cam, context);
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usleep(500000);
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}
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for(; focal_far[1] >= 1; focal_far[1]--) {
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set_widget_value(focus_widget, "Far 2", FOCUS_WIDGET_NAME, cam, context);
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usleep(250000);
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}
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for(; focal_far[0] >= 1; focal_far[0]--) {
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set_widget_value(focus_widget, "Far 1", FOCUS_WIDGET_NAME, cam, context);
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usleep(125000);
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}
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printw("Done!\n");
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user_conf();
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endwin();
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gp_camera_exit(cam, context);
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return(0);
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}
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