--- /dev/null
+/*
+ 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
+
projects / qmk_firmware.git / blobdiff