Change Host mode class driver Pipe configuration routines -- better to let the applic...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / CDC.c

diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index 688143c..4402f33 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -34,24 +34,13 @@
 #define  INCLUDE_FROM_CDC_CLASS_HOST_C\r
 #include "CDC.h"\r
 \r
-static uint8_t CDC_Host_ProcessConfigDescriptor(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
+uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint16_t ConfigDescriptorSize,\r
+                                uint8_t* ConfigDescriptorData)\r
 {\r
-       uint8_t* ConfigDescriptorData;\r
-       uint16_t ConfigDescriptorSize;\r
        uint8_t  FoundEndpoints = 0;\r
-       \r
-       if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)\r
-         return CDC_ENUMERROR_ControlError;\r
-       \r
-       if (ConfigDescriptorSize > 512)\r
-         return CDC_ENUMERROR_DescriptorTooLarge;\r
-         \r
-       ConfigDescriptorData = alloca(ConfigDescriptorSize);\r
 \r
-       USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData);\r
-       \r
        if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)\r
-         return CDC_ENUMERROR_InvalidConfigDataReturned;\r
+         return CDC_ENUMERROR_InvalidConfigDescriptor;\r
        \r
        if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
                                      DComp_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
@@ -64,10 +53,8 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(USB_ClassInfo_CDC_Host_t* CDCInt
                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
                                              DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
                {\r
-                       /* Check to see if the control interface's notification pipe has been found, if so search for the data interface */\r
                        if (FoundEndpoints & CDC_FOUND_DATAPIPE_NOTIFICATION)\r
                        {\r
-                               /* Get the next CDC data interface from the configuration descriptor (CDC class has two CDC interfaces) */\r
                                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, \r
                                                              DComp_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
                                {\r
@@ -95,7 +82,7 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(USB_ClassInfo_CDC_Host_t* CDCInt
                        if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,\r
                                                      DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
                        {\r
-                               return CDC_ENUMERROR_NoEndpointFound;\r
+                               return CDC_ENUMERROR_EndpointsNotFound;\r
                        }\r
                }\r
                \r
@@ -179,12 +166,15 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)\r
        {\r
                USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,\r
-                                                                             USB_Descriptor_Endpoint_t)\r
+                                                                             USB_Descriptor_Endpoint_t);\r
        \r
                uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);\r
        \r
-               if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))\r
-                 return DESCRIPTOR_SEARCH_Found;\r
+               if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&\r
+                   !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))\r
+               {\r
+                       return DESCRIPTOR_SEARCH_Found;\r
+               }\r
        }\r
        else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
        {\r
@@ -196,27 +186,7 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript
 \r
 void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)\r
 {\r
-       uint8_t ErrorCode;\r
-\r
-       switch (USB_HostState)\r
-       {\r
-               case HOST_STATE_Addressed:\r
-                       if ((ErrorCode = CDC_Host_ProcessConfigDescriptor(CDCInterfaceInfo)) != CDC_ENUMERROR_NoError)\r
-                       {\r
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
-                       }\r
 \r
-                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)\r
-                       {\r
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
-                       }\r
-                               \r
-                       USB_HostState = HOST_STATE_Configured;\r
-                       break;\r
-               case HOST_STATE_Configured:\r
-                       USB_HostState = HOST_STATE_Ready;\r
-                       break;\r
-       }\r
 }\r
 \r
 #endif\r