diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
---|---|---|
committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
commit | 071e02c6b6b4837fa9cf0b6d4c749994e02638d7 (patch) | |
tree | 960446788703b69f0bb285450be80c5b3d8cc22c /LUFA/Drivers/USB/Class/Device/HID.c | |
parent | e331b531c6e6d93eb0eee42b9002074e8090ad18 (diff) | |
download | lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.gz lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.bz2 lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.zip |
Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/HID.c')
-rw-r--r-- | LUFA/Drivers/USB/Class/Device/HID.c | 388 |
1 files changed, 194 insertions, 194 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/HID.c b/LUFA/Drivers/USB/Class/Device/HID.c index 676650976..88bb60993 100644 --- a/LUFA/Drivers/USB/Class/Device/HID.c +++ b/LUFA/Drivers/USB/Class/Device/HID.c @@ -1,194 +1,194 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 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 "../../HighLevel/USBMode.h"
-#if defined(USB_CAN_BE_DEVICE)
-
-#define __INCLUDE_FROM_HID_DRIVER
-#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 = 0;
- uint8_t ReportID = (USB_ControlRequest.wValue & 0xFF);
- uint8_t ReportType = (USB_ControlRequest.wValue >> 8) - 1;
- uint8_t ReportINData[HIDInterfaceInfo->Config.PrevReportINBufferSize];
-
- memset(ReportINData, 0, sizeof(ReportINData));
-
- CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, ReportType,
- HIDInterfaceInfo->Config.PrevReportINBuffer, &ReportINSize);
-
- if (HIDInterfaceInfo->Config.PrevReportINBuffer != NULL)
- memcpy(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINData, HIDInterfaceInfo->Config.PrevReportINBufferSize);
-
- Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
- 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);
- CALLBACK_HID_Device_ProcessHIDReport(HIDInterfaceInfo, ReportID, ReportOUTData, ReportOUTSize);
- Endpoint_ClearIN();
- }
-
- 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 & 0xFF) != 0x00);
-
- 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,
- 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, REPORT_ITEM_TYPE_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_Byte(ReportID);
-
- Endpoint_Write_Stream_LE(ReportINData, ReportINSize, NO_STREAM_CALLBACK);
-
- Endpoint_ClearIN();
- }
- }
-}
-
-#endif
+/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2010 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 "../../HighLevel/USBMode.h" +#if defined(USB_CAN_BE_DEVICE) + +#define __INCLUDE_FROM_HID_DRIVER +#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 = 0; + uint8_t ReportID = (USB_ControlRequest.wValue & 0xFF); + uint8_t ReportType = (USB_ControlRequest.wValue >> 8) - 1; + uint8_t ReportINData[HIDInterfaceInfo->Config.PrevReportINBufferSize]; + + memset(ReportINData, 0, sizeof(ReportINData)); + + CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, ReportType, + HIDInterfaceInfo->Config.PrevReportINBuffer, &ReportINSize); + + if (HIDInterfaceInfo->Config.PrevReportINBuffer != NULL) + memcpy(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINData, HIDInterfaceInfo->Config.PrevReportINBufferSize); + + Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); + 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); + CALLBACK_HID_Device_ProcessHIDReport(HIDInterfaceInfo, ReportID, ReportOUTData, ReportOUTSize); + Endpoint_ClearIN(); + } + + 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 & 0xFF) != 0x00); + + 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, + 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, REPORT_ITEM_TYPE_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_Byte(ReportID); + + Endpoint_Write_Stream_LE(ReportINData, ReportINSize, NO_STREAM_CALLBACK); + + Endpoint_ClearIN(); + } + } +} + +#endif |