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Changed all Device mode LowLevel demos and Device Class drivers so that the control request is acknowledged and any data transferred as quickly as possible without any processing inbetween sections, so that long callbacks or event handlers will not break communications with the host by exceeding the maximum control request stage timeout period.

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This commit is contained in:
Dean Camera
2010-08-22 03:26:20 +00:00
parent 1be3436e89
commit 4cc7f5200b
18 changed files with 82 additions and 167 deletions
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LUFA/Drivers/USB/Class/Device/Audio.c
+2 -3
View File
@@ -49,10 +49,9 @@ void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const Audi
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0);
Endpoint_ClearStatusStage();
AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0);
}
break;
LUFA/Drivers/USB/Class/Device/CDC.c
+2 -4
View File
@@ -64,7 +64,6 @@ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInter
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
Endpoint_Read_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));
Endpoint_ClearIN();
@@ -75,12 +74,11 @@ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInter
case REQ_SetControlLineState:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
Endpoint_ClearSETUP();
Endpoint_ClearStatusStage();
CDCInterfaceInfo->State.ControlLineStates.HostToDevice = USB_ControlRequest.wValue;
Endpoint_ClearStatusStage();
EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo);
}
LUFA/Drivers/USB/Class/Device/HID.c
+8 -15
View File
@@ -48,8 +48,6 @@ void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInter
case REQ_GetReport:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
uint16_t ReportSize = 0;
uint8_t ReportID = (USB_ControlRequest.wValue & 0xFF);
uint8_t ReportType = (USB_ControlRequest.wValue >> 8) - 1;
@@ -62,6 +60,7 @@ void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInter
if (HIDInterfaceInfo->Config.PrevReportINBuffer != NULL)
memcpy(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportData, HIDInterfaceInfo->Config.PrevReportINBufferSize);
Endpoint_ClearSETUP();
Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
Endpoint_Write_Control_Stream_LE(ReportData, ReportSize);
Endpoint_ClearOUT();
@@ -71,16 +70,16 @@ void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInter
case REQ_SetReport:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
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);
CALLBACK_HID_Device_ProcessHIDReport(HIDInterfaceInfo, ReportID, ReportType, ReportData, ReportSize);
Endpoint_ClearIN();
CALLBACK_HID_Device_ProcessHIDReport(HIDInterfaceInfo, ReportID, ReportType, ReportData, ReportSize);
}
break;
@@ -88,10 +87,8 @@ void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInter
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
Endpoint_Write_Byte(HIDInterfaceInfo->State.UsingReportProtocol);
Endpoint_ClearIN();
Endpoint_ClearStatusStage();
}
@@ -100,10 +97,9 @@ void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInter
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
HIDInterfaceInfo->State.UsingReportProtocol = ((USB_ControlRequest.wValue & 0xFF) != 0x00);
Endpoint_ClearStatusStage();
HIDInterfaceInfo->State.UsingReportProtocol = ((USB_ControlRequest.wValue & 0xFF) != 0x00);
}
break;
@@ -111,10 +107,9 @@ void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInter
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
HIDInterfaceInfo->State.IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6);
Endpoint_ClearStatusStage();
HIDInterfaceInfo->State.IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6);
}
break;
@@ -122,10 +117,8 @@ void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInter
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
Endpoint_Write_Byte(HIDInterfaceInfo->State.IdleCount >> 2);
Endpoint_ClearIN();
Endpoint_ClearStatusStage();
}
LUFA/Drivers/USB/Class/Device/MassStorage.c
+3 -6
View File
@@ -52,10 +52,9 @@ void MS_Device_ProcessControlRequest(USB_ClassInfo_MS_Device_t* const MSInterfac
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
MSInterfaceInfo->State.IsMassStoreReset = true;
Endpoint_ClearStatusStage();
MSInterfaceInfo->State.IsMassStoreReset = true;
}
break;
@@ -63,10 +62,8 @@ void MS_Device_ProcessControlRequest(USB_ClassInfo_MS_Device_t* const MSInterfac
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
Endpoint_Write_Byte(MSInterfaceInfo->Config.TotalLUNs - 1);
Endpoint_ClearIN();
Endpoint_ClearIN();
Endpoint_ClearStatusStage();
}
LUFA/Drivers/USB/Class/Device/RNDIS.c
+1 -3
View File
@@ -81,7 +81,6 @@ void RNDIS_Device_ProcessControlRequest(USB_ClassInfo_RNDIS_Device_t* const RNDI
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
Endpoint_Read_Control_Stream_LE(RNDISInterfaceInfo->State.RNDISMessageBuffer, USB_ControlRequest.wLength);
Endpoint_ClearIN();
@@ -92,8 +91,6 @@ void RNDIS_Device_ProcessControlRequest(USB_ClassInfo_RNDIS_Device_t* const RNDI
case REQ_GetEncapsulatedResponse:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;
if (!(MessageHeader->MessageLength))
@@ -102,6 +99,7 @@ void RNDIS_Device_ProcessControlRequest(USB_ClassInfo_RNDIS_Device_t* const RNDI
MessageHeader->MessageLength = 1;
}
Endpoint_ClearSETUP();
Endpoint_Write_Control_Stream_LE(RNDISInterfaceInfo->State.RNDISMessageBuffer, MessageHeader->MessageLength);
Endpoint_ClearOUT();