From 821563417565776d2dc3a02b0265e6fcd5218739 Mon Sep 17 00:00:00 2001 From: tmk Date: Mon, 11 Feb 2013 22:57:40 +0900 Subject: Now includes LUFA-120730 in repository --- .../LUFA-120730/LUFA/Drivers/USB/Core/USBTask.c | 91 ++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Core/USBTask.c (limited to 'protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Core/USBTask.c') diff --git a/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Core/USBTask.c b/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Core/USBTask.c new file mode 100644 index 0000000000..e0a99150a4 --- /dev/null +++ b/protocol/lufa/LUFA-120730/LUFA/Drivers/USB/Core/USBTask.c @@ -0,0 +1,91 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2012. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#define __INCLUDE_FROM_USBTASK_C +#define __INCLUDE_FROM_USB_DRIVER +#include "USBTask.h" + +volatile bool USB_IsInitialized; +USB_Request_Header_t USB_ControlRequest; + +#if defined(USB_CAN_BE_HOST) && !defined(HOST_STATE_AS_GPIOR) +volatile uint8_t USB_HostState; +#endif + +#if defined(USB_CAN_BE_DEVICE) && !defined(DEVICE_STATE_AS_GPIOR) +volatile uint8_t USB_DeviceState; +#endif + +void USB_USBTask(void) +{ + #if defined(USB_HOST_ONLY) + USB_HostTask(); + #elif defined(USB_DEVICE_ONLY) + USB_DeviceTask(); + #else + if (USB_CurrentMode == USB_MODE_Device) + USB_DeviceTask(); + #if defined(USB_CAN_BE_HOST) + else if (USB_CurrentMode == USB_MODE_Host) + USB_HostTask(); + #endif + #endif +} + +#if defined(USB_CAN_BE_DEVICE) +static void USB_DeviceTask(void) +{ + if (USB_DeviceState != DEVICE_STATE_Unattached) + { + uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint(); + + Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); + + if (Endpoint_IsSETUPReceived()) + USB_Device_ProcessControlRequest(); + + Endpoint_SelectEndpoint(PrevEndpoint); + } +} +#endif + +#if defined(USB_CAN_BE_HOST) +static void USB_HostTask(void) +{ + uint8_t PrevPipe = Pipe_GetCurrentPipe(); + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + + USB_Host_ProcessNextHostState(); + + Pipe_SelectPipe(PrevPipe); +} +#endif + -- cgit v1.2.3