diff options
Diffstat (limited to 'tmk_core')
| -rw-r--r-- | tmk_core/protocol/chibios/usb_main.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/tmk_core/protocol/chibios/usb_main.c b/tmk_core/protocol/chibios/usb_main.c index 2bf273488b..fb3d575846 100644 --- a/tmk_core/protocol/chibios/usb_main.c +++ b/tmk_core/protocol/chibios/usb_main.c @@ -120,6 +120,16 @@ static const USBDescriptor *usb_get_descriptor_cb(USBDriver *usbp, uint8_t dtype return &desc; } +/* + * USB notification callback that does nothing. Needed to work around bugs in + * some USB LLDs that fail to resume the waiting thread when the notification + * callback pointer is NULL. + */ +static void dummy_usb_cb(USBDriver *usbp, usbep_t ep) { + (void)usbp; + (void)ep; +} + #ifndef KEYBOARD_SHARED_EP /* keyboard endpoint state structure */ static USBInEndpointState kbd_ep_state; @@ -127,7 +137,7 @@ static USBInEndpointState kbd_ep_state; static const USBEndpointConfig kbd_ep_config = { USB_EP_MODE_TYPE_INTR, /* Interrupt EP */ NULL, /* SETUP packet notification callback */ - NULL, /* IN notification callback */ + dummy_usb_cb, /* IN notification callback */ NULL, /* OUT notification callback */ KEYBOARD_EPSIZE, /* IN maximum packet size */ 0, /* OUT maximum packet size */ @@ -145,7 +155,7 @@ static USBInEndpointState mouse_ep_state; static const USBEndpointConfig mouse_ep_config = { USB_EP_MODE_TYPE_INTR, /* Interrupt EP */ NULL, /* SETUP packet notification callback */ - NULL, /* IN notification callback */ + dummy_usb_cb, /* IN notification callback */ NULL, /* OUT notification callback */ MOUSE_EPSIZE, /* IN maximum packet size */ 0, /* OUT maximum packet size */ @@ -163,7 +173,7 @@ static USBInEndpointState shared_ep_state; static const USBEndpointConfig shared_ep_config = { USB_EP_MODE_TYPE_INTR, /* Interrupt EP */ NULL, /* SETUP packet notification callback */ - NULL, /* IN notification callback */ + dummy_usb_cb, /* IN notification callback */ NULL, /* OUT notification callback */ SHARED_EPSIZE, /* IN maximum packet size */ 0, /* OUT maximum packet size */ @@ -181,7 +191,7 @@ static USBInEndpointState joystick_ep_state; static const USBEndpointConfig joystick_ep_config = { USB_EP_MODE_TYPE_INTR, /* Interrupt EP */ NULL, /* SETUP packet notification callback */ - NULL, /* IN notification callback */ + dummy_usb_cb, /* IN notification callback */ NULL, /* OUT notification callback */ JOYSTICK_EPSIZE, /* IN maximum packet size */ 0, /* OUT maximum packet size */ @@ -199,7 +209,7 @@ static USBInEndpointState digitizer_ep_state; static const USBEndpointConfig digitizer_ep_config = { USB_EP_MODE_TYPE_INTR, /* Interrupt EP */ NULL, /* SETUP packet notification callback */ - NULL, /* IN notification callback */ + dummy_usb_cb, /* IN notification callback */ NULL, /* OUT notification callback */ DIGITIZER_EPSIZE, /* IN maximum packet size */ 0, /* OUT maximum packet size */ |