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Diffstat (limited to 'lib/lufa/Demos/DualRole/ClassDriver/MouseHostDevice/DeviceFunctions.c')
| -rw-r--r-- | lib/lufa/Demos/DualRole/ClassDriver/MouseHostDevice/DeviceFunctions.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/lib/lufa/Demos/DualRole/ClassDriver/MouseHostDevice/DeviceFunctions.c b/lib/lufa/Demos/DualRole/ClassDriver/MouseHostDevice/DeviceFunctions.c new file mode 100644 index 000000000..3598462be --- /dev/null +++ b/lib/lufa/Demos/DualRole/ClassDriver/MouseHostDevice/DeviceFunctions.c @@ -0,0 +1,155 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * + * Device Mode USB Mouse functionality for the MouseHostDevice demo. This file contains the Device mode + * USB Mouse related code of the demo and is responsible for all the Device mode Mouse functionality. + */ + +#include "DeviceFunctions.h" + +/** Buffer to hold the previously generated Mouse Device HID report, for comparison purposes inside the HID class driver. */ +static uint8_t PrevMouseHIDReportBuffer[sizeof(USB_MouseReport_Data_t)]; + +/** LUFA HID Class driver interface configuration and state information. This structure is + * passed to all HID Class driver functions, so that multiple instances of the same class + * within a device can be differentiated from one another. + */ +USB_ClassInfo_HID_Device_t Mouse_HID_Device_Interface = + { + .Config = + { + .InterfaceNumber = INTERFACE_ID_Mouse, + .ReportINEndpoint = + { + .Address = MOUSE_EPADDR, + .Size = MOUSE_EPSIZE, + .Banks = 1, + }, + .PrevReportINBuffer = PrevMouseHIDReportBuffer, + .PrevReportINBufferSize = sizeof(PrevMouseHIDReportBuffer), + }, + }; + + +/** Event handler for the library USB WakeUp event. */ +void EVENT_USB_Device_Connect(void) +{ + LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); +} + +/** Event handler for the library USB Suspend event. */ +void EVENT_USB_Device_Disconnect(void) +{ + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); +} + +/** Event handler for the library USB Configuration Changed event. */ +void EVENT_USB_Device_ConfigurationChanged(void) +{ + LEDs_SetAllLEDs(LEDMASK_USB_READY); + + if (!(HID_Device_ConfigureEndpoints(&Mouse_HID_Device_Interface))) + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + + USB_Device_EnableSOFEvents(); +} + +/** Event handler for the library USB Control Request reception event. */ +void EVENT_USB_Device_ControlRequest(void) +{ + HID_Device_ProcessControlRequest(&Mouse_HID_Device_Interface); +} + +/** Event handler for the USB device Start Of Frame event. */ +void EVENT_USB_Device_StartOfFrame(void) +{ + HID_Device_MillisecondElapsed(&Mouse_HID_Device_Interface); +} + +/** HID class driver callback function for the creation of HID reports to the host. + * + * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced + * \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID + * \param[in] ReportType Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature + * \param[out] ReportData Pointer to a buffer where the created report should be stored + * \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent) + * + * \return Boolean \c true to force the sending of the report, \c false to let the library determine if it needs to be sent + */ +bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, + uint8_t* const ReportID, + const uint8_t ReportType, + void* ReportData, + uint16_t* const ReportSize) +{ + USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData; + + uint8_t JoyStatus_LCL = Joystick_GetStatus(); + uint8_t ButtonStatus_LCL = Buttons_GetStatus(); + + if (JoyStatus_LCL & JOY_UP) + MouseReport->Y = -1; + else if (JoyStatus_LCL & JOY_DOWN) + MouseReport->Y = 1; + + if (JoyStatus_LCL & JOY_RIGHT) + MouseReport->X = 1; + else if (JoyStatus_LCL & JOY_LEFT) + MouseReport->X = -1; + + if (JoyStatus_LCL & JOY_PRESS) + MouseReport->Button |= (1 << 0); + + if (ButtonStatus_LCL & BUTTONS_BUTTON1) + MouseReport->Button |= (1 << 1); + + *ReportSize = sizeof(USB_MouseReport_Data_t); + return true; +} + +/** HID class driver callback function for the processing of HID reports from the host. + * + * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced + * \param[in] ReportID Report ID of the received report from the host + * \param[in] ReportType The type of report that the host has sent, either HID_REPORT_ITEM_Out or HID_REPORT_ITEM_Feature + * \param[in] ReportData Pointer to a buffer where the received report has been stored + * \param[in] ReportSize Size in bytes of the received HID report + */ +void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, + const uint8_t ReportID, + const uint8_t ReportType, + const void* ReportData, + const uint16_t ReportSize) +{ + // Unused (but mandatory for the HID class driver) in this demo, since there are no Host->Device reports +} + |