uvc: don't run the callback if uvc is off

jepler · jepler · commit 1af43c777bfe · 2024-01-26T09:30:22.000-06:00
this leaves the potential problem that the callback may run frequently
even if not streaming, can improve this later.
diff --git a/shared-module/uvc/__init__.c b/shared-module/uvc/__init__.c
@@ -172,8 +172,11 @@ STATIC void uvc_cb_fun(void *unused) {
     (void)result;
 }
 
+
 void usb_uvc_task(void) {
-    background_callback_add(&uvc_cb, uvc_cb_fun, NULL);
+    if (uvc_is_enabled) {
+        background_callback_add(&uvc_cb, uvc_cb_fun, NULL);
+    }
 }
 
 void tud_video_frame_xfer_complete_cb(uint_fast8_t ctl_idx, uint_fast8_t stm_idx) {

Original file line number	Diff line number	Diff line change
`@@ -172,8 +172,11 @@ STATIC void uvc_cb_fun(void *unused) {`
`172`	`172`	`(void)result;`
`173`	`173`	`}`
`174`	`174`
	`175`	`+`
`175`	`176`	`void usb_uvc_task(void) {`
`176`		`- background_callback_add(&uvc_cb, uvc_cb_fun, NULL);`
	`177`	`+ if (uvc_is_enabled) {`
	`178`	`+ background_callback_add(&uvc_cb, uvc_cb_fun, NULL);`
	`179`	`+ }`
`177`	`180`	`}`
`178`	`181`
`179`	`182`	`void tud_video_frame_xfer_complete_cb(uint_fast8_t ctl_idx, uint_fast8_t stm_idx) {`