-\r
-/** Reads in and processes the next report from the attached device, displaying the report\r
- * contents on the board LEDs and via the serial port.\r
- */\r
-void ReadNextReport(void)\r
-{\r
- USB_MouseReport_Data_t MouseReport;\r
- uint8_t LEDMask = LEDS_NO_LEDS;\r
-\r
- /* Select mouse data pipe */\r
- Pipe_SelectPipe(MOUSE_DATAPIPE); \r
-\r
- /* Unfreeze keyboard data pipe */\r
- Pipe_Unfreeze();\r
-\r
- /* Check to see if a packet has been received */\r
- if (!(Pipe_IsINReceived()))\r
- {\r
- /* Refreeze HID data IN pipe */\r
- Pipe_Freeze();\r
- \r
- return;\r
- }\r
-\r
- /* Ensure pipe contains data before trying to read from it */\r
- if (Pipe_IsReadWriteAllowed())\r
- {\r
- /* Read in mouse report data */\r
- Pipe_Read_Stream_LE(&MouseReport, sizeof(MouseReport)); \r
-\r
- /* Alter status LEDs according to mouse X movement */\r
- if (MouseReport.X > 0)\r
- LEDMask |= LEDS_LED1;\r
- else if (MouseReport.X < 0)\r
- LEDMask |= LEDS_LED2;\r
- \r
- /* Alter status LEDs according to mouse Y movement */\r
- if (MouseReport.Y > 0)\r
- LEDMask |= LEDS_LED3;\r
- else if (MouseReport.Y < 0)\r
- LEDMask |= LEDS_LED4;\r
-\r
- /* Alter status LEDs according to mouse button position */\r
- if (MouseReport.Button)\r
- LEDMask = LEDS_ALL_LEDS;\r
- \r
- LEDs_SetAllLEDs(LEDMask);\r
- \r
- /* Print mouse report data through the serial port */\r
- printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X,\r
- MouseReport.Y,\r
- MouseReport.Button);\r
- }\r
-\r
- /* Clear the IN endpoint, ready for next data packet */\r
- Pipe_ClearIN();\r
-\r
- /* Refreeze mouse data pipe */\r
- Pipe_Freeze();\r
-}\r
-\r
-/** Task to set the configuration of the attached device after it has been enumerated, and to read and process\r
- * HID reports from the device and display the results onto the board LEDs.\r
- */\r
-void Mouse_HID_Task(void)\r
-{\r
- uint8_t ErrorCode;\r
-\r
- /* Switch to determine what user-application handled host state the host state machine is in */\r
- switch (USB_HostState)\r
- {\r
- case HOST_STATE_Addressed:\r
- /* Standard request to set the device configuration to configuration 1 */\r
- USB_ControlRequest = (USB_Request_Header_t)\r
- {\r
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
- .bRequest = REQ_SetConfiguration,\r
- .wValue = 1,\r
- .wIndex = 0,\r
- .wLength = 0,\r
- };\r
-\r
- /* Select the control pipe for the request transfer */\r
- Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-\r
- /* Send the request, display error and wait for device detach if request fails */\r
- if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
- {\r
- puts_P(PSTR("Control Error (Set Configuration).\r\n"));\r
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
-\r
- /* Indicate error status */\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- \r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- break;\r
- }\r
- \r
- USB_HostState = HOST_STATE_Configured;\r
- break;\r
- case HOST_STATE_Configured:\r
- puts_P(PSTR("Getting Config Data.\r\n"));\r
- \r
- /* Get and process the configuration descriptor data */\r
- if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)\r
- {\r
- if (ErrorCode == ControlError)\r
- puts_P(PSTR("Control Error (Get Configuration).\r\n"));\r
- else\r
- puts_P(PSTR("Invalid Device.\r\n"));\r
-\r
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
- \r
- /* Indicate error status */\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-\r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- break;\r
- }\r
- \r
- /* HID class request to set the mouse protocol to the Boot Protocol */\r
- USB_ControlRequest = (USB_Request_Header_t)\r
- {\r
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
- .bRequest = REQ_SetProtocol,\r
- .wValue = 0,\r
- .wIndex = 0,\r
- .wLength = 0,\r
- };\r
-\r
- /* Select the control pipe for the request transfer */\r
- Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-\r
- /* Send the request, display error and wait for device detach if request fails */\r
- if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
- {\r
- puts_P(PSTR("Control Error (Set Protocol).\r\n"));\r
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
-\r
- /* Indicate error status */\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- \r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- break;\r
- }\r
-\r
- puts_P(PSTR("Mouse Enumerated.\r\n"));\r
- \r
- USB_HostState = HOST_STATE_Ready;\r
- break;\r
- case HOST_STATE_Ready:\r
- /* If a report has been received, read and process it */\r
- ReadNextReport();\r
-\r
- break;\r
- }\r
-}\r