Oops - with new changes to the way the device Configuration Descriptor is retrieved...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / HID.c

diff --git a/LUFA/Drivers/USB/Class/Device/HID.c b/LUFA/Drivers/USB/Class/Device/HID.c
index 4a6295a..a99c264 100644 (file)
--- a/LUFA/Drivers/USB/Class/Device/HID.c
+++ b/LUFA/Drivers/USB/Class/Device/HID.c
@@ -33,16 +33,13 @@
 \r
 #include "HID.h"\r
 \r
-void HID_Device_ProcessControlPacket(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)\r
+void HID_Device_ProcessControlRequest(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)\r
 {\r
        if (!(Endpoint_IsSETUPReceived()))\r
          return;\r
          \r
-       if ((USB_ControlRequest.wIndex   != HIDInterfaceInfo->Config.InterfaceNumber) &&\r
-           (USB_ControlRequest.bRequest != REQ_SetIdle))\r
-       {\r
-               return;\r
-       }\r
+       if (USB_ControlRequest.wIndex != HIDInterfaceInfo->Config.InterfaceNumber)\r
+         return;\r
 \r
        switch (USB_ControlRequest.bRequest)\r
        {\r
@@ -51,15 +48,15 @@ void HID_Device_ProcessControlPacket(USB_ClassInfo_HID_Device_t* const HIDInterf
                        {\r
                                Endpoint_ClearSETUP();  \r
 \r
-                               uint8_t  ReportINData[HIDInterfaceInfo->Config.ReportINBufferSize];\r
-                               uint16_t ReportINSize;\r
-                               uint8_t  ReportID = (USB_ControlRequest.wValue & 0xFF);\r
+                               uint16_t ReportINSize = 0;\r
+                               uint8_t  ReportID     = (USB_ControlRequest.wValue & 0xFF);\r
 \r
-                               memset(ReportINData, 0, sizeof(ReportINData));\r
+                               memset(HIDInterfaceInfo->Config.PrevReportINBuffer, 0, HIDInterfaceInfo->Config.PrevReportINBufferSize);\r
                                \r
-                               ReportINSize = CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, ReportINData);\r
+                               CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID,\r
+                                                                   HIDInterfaceInfo->Config.PrevReportINBuffer, &ReportINSize);\r
 \r
-                               Endpoint_Write_Control_Stream_LE(ReportINData, ReportINSize);\r
+                               Endpoint_Write_Control_Stream_LE(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINSize);\r
                                Endpoint_ClearOUT();\r
                        }\r
                \r
@@ -88,8 +85,7 @@ void HID_Device_ProcessControlPacket(USB_ClassInfo_HID_Device_t* const HIDInterf
                                Endpoint_Write_Byte(HIDInterfaceInfo->State.UsingReportProtocol);\r
                                Endpoint_ClearIN();\r
 \r
-                               while (!(Endpoint_IsOUTReceived()));\r
-                               Endpoint_ClearOUT();\r
+                               Endpoint_ClearStatusStage();\r
                        }\r
                        \r
                        break;\r
@@ -100,24 +96,18 @@ void HID_Device_ProcessControlPacket(USB_ClassInfo_HID_Device_t* const HIDInterf
 \r
                                HIDInterfaceInfo->State.UsingReportProtocol = (USB_ControlRequest.wValue != 0x0000);\r
                                \r
-                               while (!(Endpoint_IsINReady()));\r
-                               Endpoint_ClearIN();\r
+                               Endpoint_ClearStatusStage();\r
                        }\r
                        \r
                        break;\r
                case REQ_SetIdle:\r
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
                        {\r
-                               if ((USB_ControlRequest.wIndex         == HIDInterfaceInfo->Config.InterfaceNumber) ||\r
-                                   (USB_ControlRequest.wValue & 0xFF) == 0)\r
-                               {\r
-                                       Endpoint_ClearSETUP();\r
+                               Endpoint_ClearSETUP();\r
                                        \r
-                                       HIDInterfaceInfo->State.IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6);\r
+                               HIDInterfaceInfo->State.IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6);\r
                                        \r
-                                       while (!(Endpoint_IsINReady()));\r
-                                       Endpoint_ClearIN();\r
-                               }\r
+                               Endpoint_ClearStatusStage();\r
                        }\r
                        \r
                        break;\r
@@ -129,8 +119,7 @@ void HID_Device_ProcessControlPacket(USB_ClassInfo_HID_Device_t* const HIDInterf
                                Endpoint_Write_Byte(HIDInterfaceInfo->State.IdleCount >> 2);\r
                                Endpoint_ClearIN();\r
 \r
-                               while (!(Endpoint_IsOUTReceived()));\r
-                               Endpoint_ClearOUT();\r
+                               Endpoint_ClearStatusStage();\r
                        }\r
 \r
                        break;\r
@@ -139,7 +128,9 @@ void HID_Device_ProcessControlPacket(USB_ClassInfo_HID_Device_t* const HIDInterf
 \r
 bool HID_Device_ConfigureEndpoints(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)\r
 {\r
+       memset(&HIDInterfaceInfo->State, 0x00, sizeof(HIDInterfaceInfo->State));\r
        HIDInterfaceInfo->State.UsingReportProtocol = true;\r
+       HIDInterfaceInfo->State.IdleCount = 500;\r
 \r
        if (!(Endpoint_ConfigureEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber, EP_TYPE_INTERRUPT,\r
                                                                         ENDPOINT_DIR_IN, HIDInterfaceInfo->Config.ReportINEndpointSize, ENDPOINT_BANK_SINGLE)))\r
@@ -152,35 +143,44 @@ bool HID_Device_ConfigureEndpoints(USB_ClassInfo_HID_Device_t* const HIDInterfac
                \r
 void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)\r
 {\r
-       if (!(USB_IsConnected) || !(USB_ConfigurationNumber))\r
+       if (USB_DeviceState != DEVICE_STATE_Configured)\r
          return;\r
 \r
        Endpoint_SelectEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber);\r
        \r
-       if (Endpoint_IsReadWriteAllowed() &&\r
-           !(HIDInterfaceInfo->State.IdleCount && HIDInterfaceInfo->State.IdleMSRemaining))\r
+       if (Endpoint_IsReadWriteAllowed())\r
        {\r
-               if (HIDInterfaceInfo->State.IdleCount && !(HIDInterfaceInfo->State.IdleMSRemaining))\r
-                 HIDInterfaceInfo->State.IdleMSRemaining = HIDInterfaceInfo->State.IdleCount;\r
-\r
-               uint8_t  ReportINData[HIDInterfaceInfo->Config.ReportINBufferSize];\r
-               uint16_t ReportINSize;\r
-               uint8_t  ReportID = 0;\r
+               uint8_t  ReportINData[HIDInterfaceInfo->Config.PrevReportINBufferSize];\r
+               uint8_t  ReportID     = 0;\r
+               uint16_t ReportINSize = 0;\r
 \r
                memset(ReportINData, 0, sizeof(ReportINData));\r
 \r
-               ReportINSize = CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, ReportINData);\r
+               bool ForceSend = CALLBACK_HID_Device_CreateHIDReport(HIDInterfaceInfo, &ReportID, ReportINData, &ReportINSize);\r
 \r
-               if (ReportINSize)\r
+               bool StatesChanged     = (memcmp(ReportINData, HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINSize) != 0);\r
+               bool IdlePeriodElapsed = (HIDInterfaceInfo->State.IdleCount && !(HIDInterfaceInfo->State.IdleMSRemaining));\r
+               \r
+               memcpy(HIDInterfaceInfo->Config.PrevReportINBuffer, ReportINData, ReportINSize);\r
+\r
+               if (ReportINSize && (ForceSend || StatesChanged || IdlePeriodElapsed))\r
                {\r
+                       HIDInterfaceInfo->State.IdleMSRemaining = HIDInterfaceInfo->State.IdleCount;\r
+\r
                        if (ReportID)\r
-                         Endpoint_Write_Stream_LE(&ReportID, sizeof(ReportID), NO_STREAM_CALLBACK);\r
+                         Endpoint_Write_Byte(ReportID);\r
 \r
                        Endpoint_Write_Stream_LE(ReportINData, ReportINSize, NO_STREAM_CALLBACK);\r
+                       \r
+                       Endpoint_ClearIN();\r
                }\r
-               \r
-               Endpoint_ClearIN();\r
        }\r
 }\r
 \r
+void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo)\r
+{\r
+       if (HIDInterfaceInfo->State.IdleMSRemaining)\r
+         HIDInterfaceInfo->State.IdleMSRemaining--;\r
+}\r
+\r
 #endif\r