X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/665fe11f128b95874befdd59492379a0f5d8105e..77a9df36a77d2523dd2bc24fa17f9f04c6c175c5:/LUFA/Drivers/USB/Class/Device/HID.c diff --git a/LUFA/Drivers/USB/Class/Device/HID.c b/LUFA/Drivers/USB/Class/Device/HID.c index b44d4db63..3b0f87a61 100644 --- a/LUFA/Drivers/USB/Class/Device/HID.c +++ b/LUFA/Drivers/USB/Class/Device/HID.c @@ -1,186 +1,195 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2009. - - dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com -*/ - -/* - Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, and distribute this software - and its documentation for any purpose and without fee is hereby - granted, 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 disclaim 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. -*/ - -#include "../../HighLevel/USBMode.h" -#if defined(USB_CAN_BE_DEVICE) - -#include "HID.h" - -void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) -{ - if (!(Endpoint_IsSETUPReceived())) - return; - - if (USB_ControlRequest.wIndex != HIDInterfaceInfo->Config.InterfaceNumber) - return; - - switch (USB_ControlRequest.bRequest) - { - case REQ_GetReport: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) - { - Endpoint_ClearSETUP(); - - uint16_t ReportINSize; - uint8_t ReportID = (USB_ControlRequest.wValue & 0xFF); - - memset(HIDInterfaceInfo->Config.PrevReportINBuffer, 0, HIDInterfaceInfo->Config.PrevReportINBufferSize); - - CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, - HIDInterfaceInfo->Config.PrevReportINBuffer, &ReportINSize); - - Endpoint_Write_Control_Stream_LE(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINSize); - Endpoint_ClearOUT(); - } - - break; - case REQ_SetReport: - if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) - { - Endpoint_ClearSETUP(); - - uint16_t ReportOUTSize = USB_ControlRequest.wLength; - uint8_t ReportOUTData[ReportOUTSize]; - uint8_t ReportID = (USB_ControlRequest.wValue & 0xFF); - - Endpoint_Read_Control_Stream_LE(ReportOUTData, ReportOUTSize); - Endpoint_ClearIN(); - - CALLBACK_HID_Device_ProcessHIDReport(HIDInterfaceInfo, ReportID, ReportOUTData, ReportOUTSize); - } - - break; - case REQ_GetProtocol: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) - { - Endpoint_ClearSETUP(); - - Endpoint_Write_Byte(HIDInterfaceInfo->State.UsingReportProtocol); - Endpoint_ClearIN(); - - Endpoint_ClearStatusStage(); - } - - break; - case REQ_SetProtocol: - if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) - { - Endpoint_ClearSETUP(); - - HIDInterfaceInfo->State.UsingReportProtocol = (USB_ControlRequest.wValue != 0x0000); - - Endpoint_ClearStatusStage(); - } - - break; - case REQ_SetIdle: - if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) - { - Endpoint_ClearSETUP(); - - HIDInterfaceInfo->State.IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6); - - Endpoint_ClearStatusStage(); - } - - break; - case REQ_GetIdle: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) - { - Endpoint_ClearSETUP(); - - Endpoint_Write_Byte(HIDInterfaceInfo->State.IdleCount >> 2); - Endpoint_ClearIN(); - - Endpoint_ClearStatusStage(); - } - - break; - } -} - -bool HID_Device_ConfigureEndpoints(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) -{ - memset(&HIDInterfaceInfo->State, 0x00, sizeof(HIDInterfaceInfo->State)); - HIDInterfaceInfo->State.UsingReportProtocol = true; - HIDInterfaceInfo->State.IdleCount = 500; - - if (!(Endpoint_ConfigureEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber, EP_TYPE_INTERRUPT, - ENDPOINT_DIR_IN, HIDInterfaceInfo->Config.ReportINEndpointSize, ENDPOINT_BANK_SINGLE))) - { - return false; - } - - return true; -} - -void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) -{ - if (USB_DeviceState != DEVICE_STATE_Configured) - return; - - Endpoint_SelectEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber); - - if (Endpoint_IsReadWriteAllowed()) - { - uint8_t ReportINData[HIDInterfaceInfo->Config.PrevReportINBufferSize]; - uint8_t ReportID = 0; - uint16_t ReportINSize; - - memset(ReportINData, 0, sizeof(ReportINData)); - - bool ForceSend = CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, ReportINData, &ReportINSize); - - bool StatesChanged = (memcmp(ReportINData, HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINSize) != 0); - bool IdlePeriodElapsed = (HIDInterfaceInfo->State.IdleCount && !(HIDInterfaceInfo->State.IdleMSRemaining)); - - memcpy(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINData, ReportINSize); - - if (ReportINSize && (ForceSend || StatesChanged || IdlePeriodElapsed)) - { - HIDInterfaceInfo->State.IdleMSRemaining = HIDInterfaceInfo->State.IdleCount; - - if (ReportID) - Endpoint_Write_Byte(ReportID); - - Endpoint_Write_Stream_LE(ReportINData, ReportINSize, NO_STREAM_CALLBACK); - - Endpoint_ClearIN(); - } - } -} - -void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo) -{ - if (HIDInterfaceInfo->State.IdleMSRemaining) - HIDInterfaceInfo->State.IdleMSRemaining--; -} - -#endif +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 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 disclaim 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. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "../../Core/USBMode.h" + +#if defined(USB_CAN_BE_DEVICE) + +#define __INCLUDE_FROM_HID_DRIVER +#define __INCLUDE_FROM_HID_DEVICE_C +#include "HID.h" + +void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) +{ + if (!(Endpoint_IsSETUPReceived())) + return; + + if (USB_ControlRequest.wIndex != HIDInterfaceInfo->Config.InterfaceNumber) + return; + + switch (USB_ControlRequest.bRequest) + { + case HID_REQ_GetReport: + if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) + { + uint16_t ReportSize = 0; + uint8_t ReportID = (USB_ControlRequest.wValue & 0xFF); + uint8_t ReportType = (USB_ControlRequest.wValue >> 8) - 1; + uint8_t ReportData[HIDInterfaceInfo->Config.PrevReportINBufferSize]; + + memset(ReportData, 0, sizeof(ReportData)); + + CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, ReportType, ReportData, &ReportSize); + + if (HIDInterfaceInfo->Config.PrevReportINBuffer != NULL) + { + memcpy(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportData, + HIDInterfaceInfo->Config.PrevReportINBufferSize); + } + + Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); + + Endpoint_ClearSETUP(); + Endpoint_Write_Control_Stream_LE(ReportData, ReportSize); + Endpoint_ClearOUT(); + } + + break; + case HID_REQ_SetReport: + if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) + { + uint16_t ReportSize = USB_ControlRequest.wLength; + uint8_t ReportID = (USB_ControlRequest.wValue & 0xFF); + uint8_t ReportType = (USB_ControlRequest.wValue >> 8) - 1; + uint8_t ReportData[ReportSize]; + + Endpoint_ClearSETUP(); + Endpoint_Read_Control_Stream_LE(ReportData, ReportSize); + Endpoint_ClearIN(); + + CALLBACK_HID_Device_ProcessHIDReport(HIDInterfaceInfo, ReportID, ReportType, + &ReportData[ReportID ? 1 : 0], ReportSize - (ReportID ? 1 : 0)); + } + + break; + case HID_REQ_GetProtocol: + if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) + { + Endpoint_ClearSETUP(); + Endpoint_Write_8(HIDInterfaceInfo->State.UsingReportProtocol); + Endpoint_ClearIN(); + Endpoint_ClearStatusStage(); + } + + break; + case HID_REQ_SetProtocol: + if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) + { + Endpoint_ClearSETUP(); + Endpoint_ClearStatusStage(); + + HIDInterfaceInfo->State.UsingReportProtocol = ((USB_ControlRequest.wValue & 0xFF) != 0x00); + } + + break; + case HID_REQ_SetIdle: + if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) + { + Endpoint_ClearSETUP(); + Endpoint_ClearStatusStage(); + + HIDInterfaceInfo->State.IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6); + } + + break; + case HID_REQ_GetIdle: + if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) + { + Endpoint_ClearSETUP(); + Endpoint_Write_8(HIDInterfaceInfo->State.IdleCount >> 2); + Endpoint_ClearIN(); + Endpoint_ClearStatusStage(); + } + + break; + } +} + +bool HID_Device_ConfigureEndpoints(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) +{ + memset(&HIDInterfaceInfo->State, 0x00, sizeof(HIDInterfaceInfo->State)); + HIDInterfaceInfo->State.UsingReportProtocol = true; + HIDInterfaceInfo->State.IdleCount = 500; + + if (!(Endpoint_ConfigureEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber, EP_TYPE_INTERRUPT, + ENDPOINT_DIR_IN, HIDInterfaceInfo->Config.ReportINEndpointSize, + HIDInterfaceInfo->Config.ReportINEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE))) + { + return false; + } + + return true; +} + +void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo) +{ + if (USB_DeviceState != DEVICE_STATE_Configured) + return; + + Endpoint_SelectEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber); + + if (Endpoint_IsReadWriteAllowed()) + { + uint8_t ReportINData[HIDInterfaceInfo->Config.PrevReportINBufferSize]; + uint8_t ReportID = 0; + uint16_t ReportINSize = 0; + + memset(ReportINData, 0, sizeof(ReportINData)); + + bool ForceSend = CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, HID_REPORT_ITEM_In, + ReportINData, &ReportINSize); + bool StatesChanged = false; + bool IdlePeriodElapsed = (HIDInterfaceInfo->State.IdleCount && !(HIDInterfaceInfo->State.IdleMSRemaining)); + + if (HIDInterfaceInfo->Config.PrevReportINBuffer != NULL) + { + StatesChanged = (memcmp(ReportINData, HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINSize) != 0); + memcpy(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINData, HIDInterfaceInfo->Config.PrevReportINBufferSize); + } + + if (ReportINSize && (ForceSend || StatesChanged || IdlePeriodElapsed)) + { + HIDInterfaceInfo->State.IdleMSRemaining = HIDInterfaceInfo->State.IdleCount; + + Endpoint_SelectEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber); + + if (ReportID) + Endpoint_Write_8(ReportID); + + Endpoint_Write_Stream_LE(ReportINData, ReportINSize, NULL); + + Endpoint_ClearIN(); + } + } +} + +#endif +