ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add new MouseHost Class Driver demo, unfinished, to allow for better testing of the new prototype Host Mode Class Driver framework. Flesh out start of a HID class Host mode class driver.

Browse source
This commit is contained in:
Dean Camera 2009-07-27 10:31:07 +00:00
parent 05fa6e0c43
commit 5251bc6e4e
11 changed files with 2648 additions and 86 deletions
Download patch file Download diff file Expand all files Collapse all files

100
LUFA/Drivers/USB/Class/Host/HID.c
View file

@ -31,6 +31,106 @@
#include "../../HighLevel/USBMode.h"
#if defined(USB_CAN_BE_HOST)
#define INCLUDE_FROM_HID_CLASS_HOST_C
#include "HID.h"
uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint16_t MaxConfigBufferSize)
{
uint8_t* ConfigDescriptorData;
uint16_t ConfigDescriptorSize;
uint8_t FoundEndpoints = 0;
if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
return HID_ENUMERROR_ControlError;
if (ConfigDescriptorSize > MaxConfigBufferSize)
return HID_ENUMERROR_DescriptorTooLarge;
ConfigDescriptorData = alloca(ConfigDescriptorSize);
USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData);
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return HID_ENUMERROR_InvalidConfigDataReturned;
do
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_HID_Host_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return HID_ENUMERROR_NoHIDInterfaceFound;
}
} while (HIDInterfaceInfo->Config.MatchInterfaceProtocol &&
DESCRIPTOR_PCAST(ConfigDescriptorData,
USB_Descriptor_Interface_t)->HIDInterfaceProtocol != HIDInterfaceInfo->Config.Protocol);
while (FoundEndpoints != ((1 << HID_FOUND_DATAPIPE_IN) | (1 << HID_FOUND_DATAPIPE_OUT)))
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_HID_Host_NextInterfaceHIDDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (FoundEndpoints == (1 << HID_FOUND_DATAPIPE_IN))
break;
return HID_ENUMERROR_EndpointsNotFound;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
{
Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
FoundEndpoints |= (1 << HID_FOUND_DATAPIPE_IN);
}
else
{
Pipe_ConfigurePipe(HIDInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_OUT,
EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE);
FoundEndpoints |= (1 << HID_FOUND_DATAPIPE_OUT);
}
}
return HID_ENUMERROR_NoError;
}
static uint8_t DComp_HID_Host_NextHIDInterface(void* CurrentDescriptor)
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
{
USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
USB_Descriptor_Interface_t);
if (CurrentInterface->Class == HID_INTERFACE_CLASS)
return DESCRIPTOR_SEARCH_Found;
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DComp_HID_Host_NextInterfaceHIDDataEndpoint(void* CurrentDescriptor)
{
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
USB_Descriptor_Endpoint_t);
if (!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
return DESCRIPTOR_SEARCH_Found;
}
else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo)
{
}
#endif