diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/device/cdc_msc_hid/src/main.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/examples/device/cdc_msc_hid/src/main.c b/examples/device/cdc_msc_hid/src/main.c index a8ef0575c..a203e567e 100644 --- a/examples/device/cdc_msc_hid/src/main.c +++ b/examples/device/cdc_msc_hid/src/main.c @@ -135,9 +135,16 @@ void usb_hid_task(void) if ( board_millis() < start_ms + interval_ms) return; // not enough time start_ms += interval_ms; -#if 1 uint32_t const btn = board_buttons(); + if ( tud_suspended() && btn ) + { + // Wake up host if we are in suspend mode + // and REMOTE_WAKEUP feature is enabled by host + tud_remote_wakeup(); + } + +#if 0 /*------------- Keyboard -------------*/ if ( tud_hid_keyboard_ready() ) { @@ -157,8 +164,9 @@ void usb_hid_task(void) tud_hid_keyboard_keycode(0, NULL); } } +#endif - +#if 0 /*------------- Mouse -------------*/ if ( tud_hid_mouse_ready() ) { @@ -211,7 +219,8 @@ void tud_umount_cb(void) } // Invoked when usb bus is suspended -// USB specs: device can only draw up to 2.5 mA from bus +// remote_wakeup_en : if host allow us to perform remote wakeup +// Within 7ms, device must draw an average of current less than 2.5 mA from bus void tud_suspend_cb(bool remote_wakeup_en) { (void) remote_wakeup_en; |