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

Altered the HID class driver to only try to construct at maximum one packet per USB frame, to reduce CPU usage.

Browse source
This commit is contained in:
Dean Camera 2012-02-09 20:30:27 +00:00
parent 385ffb6de3
commit 2180f57d17
4 changed files with 8 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

5
LUFA/Drivers/USB/Class/Device/HIDClassDevice.c
View file

@ -156,6 +156,9 @@ void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
if (HIDInterfaceInfo->State.PrevFrameNum == USB_Device_GetFrameNumber())
return;
Endpoint_SelectEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber);
if (Endpoint_IsReadWriteAllowed())
@ -190,6 +193,8 @@ void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)
Endpoint_ClearIN();
}
HIDInterfaceInfo->State.PrevFrameNum = USB_Device_GetFrameNumber();
}
}