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| author | Dean Camera <dean@fourwalledcubicle.com> | 2009-07-27 10:31:07 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-07-27 10:31:07 +0000 |
| commit | 5251bc6e4e312ec5c4f57c43a92ba49c19684c51 (patch) | |
| tree | a48b8977bffea9ae86f3a4c28ce390a9a965098f /LUFA/Drivers/USB/Class/Host/HID.c | |
| parent | 05fa6e0c43e542459000c7ebe0b10cbe24c7f5d9 (diff) | |
| download | lufa-5251bc6e4e312ec5c4f57c43a92ba49c19684c51.tar.gz lufa-5251bc6e4e312ec5c4f57c43a92ba49c19684c51.tar.bz2 lufa-5251bc6e4e312ec5c4f57c43a92ba49c19684c51.zip | |
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.
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/HID.c')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Host/HID.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/HID.c b/LUFA/Drivers/USB/Class/Host/HID.c index 99e44a46d..4f013d56e 100644 --- a/LUFA/Drivers/USB/Class/Host/HID.c +++ b/LUFA/Drivers/USB/Class/Host/HID.c @@ -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
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