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author | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 17:55:23 +0200 |
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committer | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 17:55:23 +0200 |
commit | 60b30c036397cb5627fa374bb930794b225daa29 (patch) | |
tree | e156c2d6b27f01db6985f2cc560c9c345d48fdac /LUFA/Drivers/USB/Core/HostStandardReq.c | |
download | qmk_firmware-60b30c036397cb5627fa374bb930794b225daa29.tar.gz qmk_firmware-60b30c036397cb5627fa374bb930794b225daa29.tar.xz |
Squashed 'lib/lufa/' content from commit 385d40300
git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b
Diffstat (limited to 'LUFA/Drivers/USB/Core/HostStandardReq.c')
-rw-r--r-- | LUFA/Drivers/USB/Core/HostStandardReq.c | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Core/HostStandardReq.c b/LUFA/Drivers/USB/Core/HostStandardReq.c new file mode 100644 index 000000000..42a934daa --- /dev/null +++ b/LUFA/Drivers/USB/Core/HostStandardReq.c @@ -0,0 +1,322 @@ +/* + 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. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "USBMode.h" + +#if defined(USB_CAN_BE_HOST) + +#define __INCLUDE_FROM_HOSTSTDREQ_C +#include "HostStandardReq.h" + +uint8_t USB_Host_ConfigurationNumber; + +static uint8_t USB_Host_SendControlRequest_PRV(void* const BufferPtr) +{ + uint8_t* DataStream = (uint8_t*)BufferPtr; + uint8_t ReturnStatus = HOST_SENDCONTROL_Successful; + uint16_t DataLen = USB_ControlRequest.wLength; + + USB_Host_ResumeBus(); + + if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful) + return ReturnStatus; + + Pipe_SetPipeToken(PIPE_TOKEN_SETUP); + Pipe_ClearError(); + + Pipe_Unfreeze(); + + #if defined(ARCH_BIG_ENDIAN) + Pipe_Write_8(USB_ControlRequest.bmRequestType); + Pipe_Write_8(USB_ControlRequest.bRequest); + Pipe_Write_16_LE(USB_ControlRequest.wValue); + Pipe_Write_16_LE(USB_ControlRequest.wIndex); + Pipe_Write_16_LE(USB_ControlRequest.wLength); + #else + uint8_t* HeaderStream = (uint8_t*)&USB_ControlRequest; + + for (uint8_t HeaderByte = 0; HeaderByte < sizeof(USB_Request_Header_t); HeaderByte++) + Pipe_Write_8(*(HeaderStream++)); + #endif + + Pipe_ClearSETUP(); + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_SetupSent)) != HOST_SENDCONTROL_Successful) + return ReturnStatus; + + Pipe_Freeze(); + + if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful) + return ReturnStatus; + + if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_DIRECTION) == REQDIR_DEVICETOHOST) + { + Pipe_SetPipeToken(PIPE_TOKEN_IN); + + if (DataStream != NULL) + { + while (DataLen) + { + Pipe_Unfreeze(); + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_InReceived)) != HOST_SENDCONTROL_Successful) + return ReturnStatus; + + if (!(Pipe_BytesInPipe())) + DataLen = 0; + + while (Pipe_BytesInPipe() && DataLen) + { + *(DataStream++) = Pipe_Read_8(); + DataLen--; + } + + Pipe_Freeze(); + Pipe_ClearIN(); + } + } + + Pipe_SetPipeToken(PIPE_TOKEN_OUT); + Pipe_Unfreeze(); + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful) + return ReturnStatus; + + Pipe_ClearOUT(); + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful) + return ReturnStatus; + } + else + { + if (DataStream != NULL) + { + Pipe_SetPipeToken(PIPE_TOKEN_OUT); + Pipe_Unfreeze(); + + while (DataLen) + { + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful) + return ReturnStatus; + + while (DataLen && (Pipe_BytesInPipe() < USB_Host_ControlPipeSize)) + { + Pipe_Write_8(*(DataStream++)); + DataLen--; + } + + Pipe_ClearOUT(); + } + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful) + return ReturnStatus; + + Pipe_Freeze(); + } + + Pipe_SetPipeToken(PIPE_TOKEN_IN); + Pipe_Unfreeze(); + + if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_InReceived)) != HOST_SENDCONTROL_Successful) + return ReturnStatus; + + Pipe_ClearIN(); + } + + return ReturnStatus; +} + +static uint8_t USB_Host_WaitForIOS(const uint8_t WaitType) +{ + #if (USB_HOST_TIMEOUT_MS < 0xFF) + uint8_t TimeoutCounter = USB_HOST_TIMEOUT_MS; + #else + uint16_t TimeoutCounter = USB_HOST_TIMEOUT_MS; + #endif + + while (!(((WaitType == USB_HOST_WAITFOR_SetupSent) && Pipe_IsSETUPSent()) || + ((WaitType == USB_HOST_WAITFOR_InReceived) && Pipe_IsINReceived()) || + ((WaitType == USB_HOST_WAITFOR_OutReady) && Pipe_IsOUTReady()))) + { + uint8_t ErrorCode; + + if ((ErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful) + return ErrorCode; + + if (!(TimeoutCounter--)) + return HOST_SENDCONTROL_SoftwareTimeOut; + } + + return HOST_SENDCONTROL_Successful; +} + +uint8_t USB_Host_SendControlRequest(void* const BufferPtr) +{ + bool BusSuspended = USB_Host_IsBusSuspended(); + uint8_t ReturnStatus = USB_Host_SendControlRequest_PRV(BufferPtr); + + Pipe_Freeze(); + + if (BusSuspended) + USB_Host_SuspendBus(); + + Pipe_ResetPipe(PIPE_CONTROLPIPE); + + return ReturnStatus; +} + +uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber) +{ + uint8_t ErrorCode; + + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_SetConfiguration, + .wValue = ConfigNumber, + .wIndex = 0, + .wLength = 0, + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + if ((ErrorCode = USB_Host_SendControlRequest(NULL)) == HOST_SENDCONTROL_Successful) + { + USB_Host_ConfigurationNumber = ConfigNumber; + USB_HostState = (ConfigNumber) ? HOST_STATE_Configured : HOST_STATE_Addressed; + } + + return ErrorCode; +} + +uint8_t USB_Host_GetDeviceConfiguration(uint8_t* const ConfigNumber) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_GetConfiguration, + .wValue = 0, + .wIndex = 0, + .wLength = sizeof(uint8_t), + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + return USB_Host_SendControlRequest(ConfigNumber); +} + +uint8_t USB_Host_GetDescriptor(const uint8_t Type, + const uint8_t Index, + void* const Buffer, + const uint8_t BufferLength) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_GetDescriptor, + .wValue = (((uint16_t)Type << 8) | Index), + .wIndex = 0, + .wLength = BufferLength, + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + return USB_Host_SendControlRequest(Buffer); +} + +uint8_t USB_Host_GetDeviceStatus(uint8_t* const FeatureStatus) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_GetStatus, + .wValue = 0, + .wIndex = 0, + .wLength = 0, + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + return USB_Host_SendControlRequest(FeatureStatus); +} + +uint8_t USB_Host_ClearEndpointStall(const uint8_t EndpointAddress) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT), + .bRequest = REQ_ClearFeature, + .wValue = FEATURE_SEL_EndpointHalt, + .wIndex = EndpointAddress, + .wLength = 0, + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + return USB_Host_SendControlRequest(NULL); +} + +uint8_t USB_Host_SetInterfaceAltSetting(const uint8_t InterfaceIndex, + const uint8_t AltSetting) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE), + .bRequest = REQ_SetInterface, + .wValue = AltSetting, + .wIndex = InterfaceIndex, + .wLength = 0, + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + return USB_Host_SendControlRequest(NULL); +} + +uint8_t USB_Host_GetInterfaceAltSetting(const uint8_t InterfaceIndex, + uint8_t* const AltSetting) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE), + .bRequest = REQ_GetInterface, + .wValue = 0, + .wIndex = InterfaceIndex, + .wLength = sizeof(uint8_t), + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + return USB_Host_SendControlRequest(AltSetting); +} + +#endif + |