Completion of initial CDC host mode class driver.
authorDean Camera <dean@fourwalledcubicle.com>
Tue, 11 Aug 2009 02:09:11 +0000 (02:09 +0000)
committerDean Camera <dean@fourwalledcubicle.com>
Tue, 11 Aug 2009 02:09:11 +0000 (02:09 +0000)
Adjustments to the CDC and MIDI device class drivers to use sizeof() on the actual variable being transmitted or received rather than its datatype to reduce possible mistakes.

LUFA/Drivers/USB/Class/Device/CDC.c
LUFA/Drivers/USB/Class/Device/MIDI.c
LUFA/Drivers/USB/Class/Host/CDC.c

index 47290ce..a6e5e26 100644 (file)
@@ -195,11 +195,13 @@ void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDC
                        .bRequest      = NOTIF_SerialState,\r
                        .wValue        = 0,\r
                        .wIndex        = 0,\r
-                       .wLength       = sizeof(uint16_t),\r
+                       .wLength       = sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),\r
                };\r
 \r
        Endpoint_Write_Stream_LE(&Notification, sizeof(Notification), NO_STREAM_CALLBACK);\r
-       Endpoint_Write_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost, sizeof(uint8_t), NO_STREAM_CALLBACK);\r
+       Endpoint_Write_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,\r
+                                sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),\r
+                                NO_STREAM_CALLBACK);\r
        Endpoint_ClearIN();\r
 }\r
 \r
index a74e7a6..76583b1 100644 (file)
@@ -79,7 +79,7 @@ void MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfac
 \r
        if (Endpoint_IsReadWriteAllowed());\r
        {\r
-               Endpoint_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK);\r
+               Endpoint_Write_Stream_LE(Event, sizeof(Event), NO_STREAM_CALLBACK);\r
                Endpoint_ClearIN();\r
        }\r
 }\r
@@ -94,7 +94,7 @@ bool MIDI_Device_ReceiveEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInter
        if (!(Endpoint_IsReadWriteAllowed()))\r
          return false;\r
 \r
-       Endpoint_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK);\r
+       Endpoint_Read_Stream_LE(Event, sizeof(Event), NO_STREAM_CALLBACK);\r
        Endpoint_ClearOUT();\r
        \r
        return true;\r
index e0e15e1..2985b24 100644 (file)
 #define  INCLUDE_FROM_CDC_CLASS_HOST_C\r
 #include "CDC.h"\r
 \r
-#warning The CDC Host mode Class driver is currently incomplete and is for preview purposes only.\r
-\r
 uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint16_t ConfigDescriptorSize,\r
                                 uint8_t* ConfigDescriptorData)\r
 {\r
-       uint8_t  FoundEndpoints = 0;\r
+       uint8_t FoundEndpoints = 0;\r
 \r
        memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));\r
 \r
@@ -198,7 +196,32 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript
 \r
 void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
 {\r
-       EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))\r
+         return;\r
+       \r
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);       \r
+       Pipe_Unfreeze();\r
+\r
+       if (Pipe_IsINReceived())\r
+       {\r
+               USB_Request_Header_t Notification;\r
+               Pipe_Read_Stream_LE(&Notification, sizeof(Notification), NO_STREAM_CALLBACK);\r
+               \r
+               if ((Notification.bRequest      == NOTIF_SerialState) &&\r
+                   (Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)))\r
+               {\r
+                       Pipe_Read_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,\r
+                                           sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),\r
+                                           NO_STREAM_CALLBACK);\r
+                       \r
+               }\r
+\r
+               Pipe_ClearIN();\r
+\r
+               EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);\r
+       }\r
+       \r
+       Pipe_Freeze();\r
 }\r
 \r
 uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
@@ -206,7 +229,7 @@ uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
        USB_ControlRequest = (USB_Request_Header_t)\r
        {\r
                .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
-               .bRequest      = REQ_SetControlLineState,\r
+               .bRequest      = REQ_SetLineEncoding,\r
                .wValue        = 0,\r
                .wIndex        = CDCInterfaceInfo->State.ControlInterfaceNumber,\r
                .wLength       = sizeof(CDCInterfaceInfo->State.LineEncoding),\r