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Extend USB_GetDeviceConfigDescriptor() routine to require the configuration number within the device to fetch, to add support for multi-configuration devices.

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This commit is contained in:
Dean Camera 2009-06-19 03:37:47 +00:00
parent 0d8679cf6b
commit dfa547164a
17 changed files with 49 additions and 40 deletions
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4
LUFA/Drivers/USB/Class/Host/CDC.c
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@ -40,7 +40,7 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(USB_ClassInfo_CDC_Host_t* CDCInt
uint16_t ConfigDescriptorSize;
uint8_t FoundEndpoints = 0;
if (USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
return CDC_ENUMERROR_ControlError;
if (ConfigDescriptorSize > 512)
@ -48,7 +48,7 @@ static uint8_t CDC_Host_ProcessConfigDescriptor(USB_ClassInfo_CDC_Host_t* CDCInt
ConfigDescriptorData = alloca(ConfigDescriptorSize);
USB_GetDeviceConfigDescriptor(&ConfigDescriptorSize, ConfigDescriptorData);
USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData);
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return CDC_ENUMERROR_InvalidConfigDataReturned;