/*
LUFA Library
- Copyright (C) Dean Camera, 2011.
+ Copyright (C) Dean Camera, 2012.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2012 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
#define __INCLUDE_FROM_HOSTSTDREQ_C
#include "HostStandardReq.h"
-uint8_t USB_Host_SendControlRequest(void* const BufferPtr)
+uint8_t USB_Host_ConfigurationNumber;
+
+static uint8_t USB_Host_SendControlRequest_PRV(void* const BufferPtr)
{
uint8_t* DataStream = (uint8_t*)BufferPtr;
- bool BusSuspended = USB_Host_IsBusSuspended();
uint8_t ReturnStatus = HOST_SENDCONTROL_Successful;
uint16_t DataLen = USB_ControlRequest.wLength;
USB_Host_ResumeBus();
if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)
- goto End_Of_Control_Send;
+ 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)
- goto End_Of_Control_Send;
+ return ReturnStatus;
Pipe_Freeze();
if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)
- goto End_Of_Control_Send;
+ return ReturnStatus;
if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_DIRECTION) == REQDIR_DEVICETOHOST)
{
Pipe_Unfreeze();
if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_InReceived)) != HOST_SENDCONTROL_Successful)
- goto End_Of_Control_Send;
+ return ReturnStatus;
if (!(Pipe_BytesInPipe()))
DataLen = 0;
Pipe_Unfreeze();
if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)
- goto End_Of_Control_Send;
+ return ReturnStatus;
Pipe_ClearOUT();
if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)
- goto End_Of_Control_Send;
+ return ReturnStatus;
}
else
{
while (DataLen)
{
if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)
- goto End_Of_Control_Send;
+ return ReturnStatus;
- while (DataLen && (Pipe_BytesInPipe() < USB_ControlPipeSize))
+ while (DataLen && (Pipe_BytesInPipe() < USB_Host_ControlPipeSize))
{
Pipe_Write_8(*(DataStream++));
DataLen--;
}
if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)
- goto End_Of_Control_Send;
+ return ReturnStatus;
Pipe_Freeze();
}
Pipe_Unfreeze();
if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_InReceived)) != HOST_SENDCONTROL_Successful)
- goto End_Of_Control_Send;
+ return ReturnStatus;
Pipe_ClearIN();
}
-
-End_Of_Control_Send:
- Pipe_Freeze();
-
- if (BusSuspended)
- USB_Host_SuspendBus();
-
- Pipe_ResetPipe(PIPE_CONTROLPIPE);
-
+
return ReturnStatus;
}
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 / pub / USBasp.git / blobdiff