X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/196724c62d8c09b30dabb9a8ff3246033d95315f..28f1ac81176bbcd9fd13d94e61323522a5279d27:/Demos/Device/LowLevel/KeyboardMouse/KeyboardMouse.c diff --git a/Demos/Device/LowLevel/KeyboardMouse/KeyboardMouse.c b/Demos/Device/LowLevel/KeyboardMouse/KeyboardMouse.c index d6c9b4d11..e41b7090b 100644 --- a/Demos/Device/LowLevel/KeyboardMouse/KeyboardMouse.c +++ b/Demos/Device/LowLevel/KeyboardMouse/KeyboardMouse.c @@ -180,21 +180,8 @@ void EVENT_USB_Device_UnhandledControlRequest(void) return; } - /* Read in the LED report from the host */ - uint8_t LEDStatus = Endpoint_Read_Byte(); - uint8_t LEDMask = LEDS_LED2; - - if (LEDStatus & 0x01) // NUM Lock - LEDMask |= LEDS_LED1; - - if (LEDStatus & 0x02) // CAPS Lock - LEDMask |= LEDS_LED3; - - if (LEDStatus & 0x04) // SCROLL Lock - LEDMask |= LEDS_LED4; - - /* Set the status LEDs to the current HID LED status */ - LEDs_SetAllLEDs(LEDMask); + /* Read in and process the LED report from the host */ + Keyboard_ProcessLEDReport(Endpoint_Read_Byte()); /* Clear the endpoint data */ Endpoint_ClearOUT(); @@ -206,6 +193,28 @@ void EVENT_USB_Device_UnhandledControlRequest(void) } } +/** Processes a given Keyboard LED report from the host, and sets the board LEDs to match. Since the Keyboard + * LED report can be sent through either the control endpoint (via a HID SetReport request) or the HID OUT + * endpoint, the processing code is placed here to avoid duplicating it and potentially having different + * behaviour depending on the method used to sent it. + */ +void Keyboard_ProcessLEDReport(const uint8_t LEDStatus) +{ + uint8_t LEDMask = LEDS_LED2; + + if (LEDStatus & KEYBOARD_LED_NUMLOCK) + LEDMask |= LEDS_LED1; + + if (LEDStatus & KEYBOARD_LED_CAPSLOCK) + LEDMask |= LEDS_LED3; + + if (LEDStatus & KEYBOARD_LED_SCROLLLOCK) + LEDMask |= LEDS_LED4; + + /* Set the status LEDs to the current Keyboard LED status */ + LEDs_SetAllLEDs(LEDMask); +} + /** Keyboard task. This generates the next keyboard HID report for the host, and transmits it via the * keyboard IN endpoint when the host is ready for more data. Additionally, it processes host LED status * reports sent to the device via the keyboard OUT reporting endpoint. @@ -260,21 +269,8 @@ void Keyboard_HID_Task(void) /* Check if Keyboard LED Endpoint Ready for Read/Write */ if (Endpoint_IsReadWriteAllowed()) { - /* Read in the LED report from the host */ - uint8_t LEDStatus = Endpoint_Read_Byte(); - uint8_t LEDMask = LEDS_LED2; - - if (LEDStatus & 0x01) // NUM Lock - LEDMask |= LEDS_LED1; - - if (LEDStatus & 0x02) // CAPS Lock - LEDMask |= LEDS_LED3; - - if (LEDStatus & 0x04) // SCROLL Lock - LEDMask |= LEDS_LED4; - - /* Set the status LEDs to the current Keyboard LED status */ - LEDs_SetAllLEDs(LEDMask); + /* Read in and process the LED report from the host */ + Keyboard_ProcessLEDReport(Endpoint_Read_Byte()); /* Handshake the OUT Endpoint - clear endpoint and ready for next report */ Endpoint_ClearOUT();