-/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific\r
- * control requests that are not handled internally by the USB library (including the HID commands, which are\r
- * all issued via the control endpoint), so that they can be handled appropriately for the application.\r
- */\r
-EVENT_HANDLER(USB_UnhandledControlPacket)\r
-{\r
- /* Handle HID Class specific requests */\r
- switch (USB_ControlRequest.bRequest)\r
- {\r
- case REQ_GetReport:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- USB_KeyboardReport_Data_t KeyboardReportData;\r
-\r
- Endpoint_ClearSETUP();\r
- \r
- /* Create the next keyboard report for transmission to the host */\r
- CreateKeyboardReport(&KeyboardReportData);\r
-\r
- /* Write the report data to the control endpoint */\r
- Endpoint_Write_Control_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));\r
- \r
- /* Finalize the stream transfer to send the last packet or clear the host abort */\r
- Endpoint_ClearOUT();\r
- }\r
- \r
- break;\r
- case REQ_SetReport:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- Endpoint_ClearSETUP();\r
- \r
- /* Wait until the LED report has been sent by the host */\r
- while (!(Endpoint_IsOUTReceived()));\r
-\r
- /* Read in the LED report from the host */\r
- uint8_t LEDStatus = Endpoint_Read_Byte();\r
-\r
- /* Process the incoming LED report */\r
- ProcessLEDReport(LEDStatus);\r
- \r
- /* Clear the endpoint data */\r
- Endpoint_ClearOUT();\r
-\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsINReady()));\r
- Endpoint_ClearIN();\r
- }\r
- \r
- break;\r
- case REQ_GetProtocol:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- Endpoint_ClearSETUP();\r
- \r
- /* Write the current protocol flag to the host */\r
- Endpoint_Write_Byte(UsingReportProtocol);\r
- \r
- /* Send the flag to the host */\r
- Endpoint_ClearIN();\r
-\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsOUTReceived()));\r
- Endpoint_ClearOUT();\r
- }\r
- \r
- break;\r
- case REQ_SetProtocol:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- Endpoint_ClearSETUP();\r
-\r
- /* Set or clear the flag depending on what the host indicates that the current Protocol should be */\r
- UsingReportProtocol = (USB_ControlRequest.wValue != 0x0000);\r
-\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsINReady()));\r
- Endpoint_ClearIN();\r
- }\r
- \r
- break;\r
- case REQ_SetIdle:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- Endpoint_ClearSETUP();\r
- \r
- /* Get idle period in MSB */\r
- IdleCount = (USB_ControlRequest.wValue >> 8);\r
- \r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsINReady()));\r
- Endpoint_ClearIN();\r
- }\r
- \r
- break;\r
- case REQ_GetIdle:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
- { \r
- Endpoint_ClearSETUP();\r
- \r
- /* Write the current idle duration to the host */\r
- Endpoint_Write_Byte(IdleCount);\r
- \r
- /* Send the flag to the host */\r
- Endpoint_ClearIN();\r
-\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsOUTReceived()));\r
- Endpoint_ClearOUT();\r
- }\r
-\r
- break;\r
- }\r
-}\r
-\r
-/** ISR for the timer 0 compare vector. This ISR fires once each millisecond, and increments the\r
- * scheduler elapsed idle period counter when the host has set an idle period.\r
- */\r