197 lines
4.8 KiB
C
197 lines
4.8 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2017.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaims all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#include "../../../../Common/Common.h"
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#if (ARCH == ARCH_UC3)
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#define __INCLUDE_FROM_USB_DRIVER
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#include "../USBMode.h"
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#if defined(USB_CAN_BE_DEVICE)
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#include "../Endpoint.h"
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#if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
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uint8_t USB_Device_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE;
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#endif
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volatile uint32_t USB_Endpoint_SelectedEndpoint = ENDPOINT_CONTROLEP;
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volatile uint8_t* USB_Endpoint_FIFOPos[ENDPOINT_TOTAL_ENDPOINTS];
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bool Endpoint_ConfigureEndpointTable(const USB_Endpoint_Table_t* const Table,
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const uint8_t Entries)
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{
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for (uint8_t i = 0; i < Entries; i++)
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{
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if (!(Table[i].Address))
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continue;
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if (!(Endpoint_ConfigureEndpoint(Table[i].Address, Table[i].Type, Table[i].Size, Table[i].Banks)))
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{
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return false;
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}
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}
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return true;
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}
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bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
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const uint32_t UECFG0Data)
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{
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USB_Endpoint_FIFOPos[Number] = &AVR32_USBB_SLAVE[Number * ENDPOINT_HSB_ADDRESS_SPACE_SIZE];
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#if defined(CONTROL_ONLY_DEVICE) || defined(ORDERED_EP_CONFIG)
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Endpoint_SelectEndpoint(Number);
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Endpoint_EnableEndpoint();
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(&AVR32_USBB.uecfg0)[Number] = 0;
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(&AVR32_USBB.uecfg0)[Number] = UECFG0Data;
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return Endpoint_IsConfigured();
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#else
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for (uint8_t EPNum = Number; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
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{
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uint32_t UECFG0Temp;
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Endpoint_SelectEndpoint(EPNum);
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if (EPNum == Number)
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{
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UECFG0Temp = UECFG0Data;
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}
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else
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{
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UECFG0Temp = (&AVR32_USBB.uecfg0)[EPNum];
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}
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if (!(UECFG0Temp & AVR32_USBB_ALLOC_MASK))
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continue;
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Endpoint_DisableEndpoint();
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(&AVR32_USBB.uecfg0)[EPNum] &= ~AVR32_USBB_ALLOC_MASK;
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Endpoint_EnableEndpoint();
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(&AVR32_USBB.uecfg0)[EPNum] = UECFG0Temp;
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if (!(Endpoint_IsConfigured()))
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return false;
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}
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Endpoint_SelectEndpoint(Number);
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return true;
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#endif
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}
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void Endpoint_ClearEndpoints(void)
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{
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for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
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{
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Endpoint_SelectEndpoint(EPNum);
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(&AVR32_USBB.uecfg0)[EPNum] = 0;
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(&AVR32_USBB.uecon0clr)[EPNum] = -1;
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USB_Endpoint_FIFOPos[EPNum] = &AVR32_USBB_SLAVE[EPNum * 0x10000];
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Endpoint_DisableEndpoint();
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}
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}
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void Endpoint_ClearStatusStage(void)
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{
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if (USB_ControlRequest.bmRequestType & REQDIR_DEVICETOHOST)
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{
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while (!(Endpoint_IsOUTReceived()))
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{
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if (USB_DeviceState == DEVICE_STATE_Unattached)
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return;
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}
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Endpoint_ClearOUT();
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}
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else
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{
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while (!(Endpoint_IsINReady()))
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{
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if (USB_DeviceState == DEVICE_STATE_Unattached)
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return;
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}
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Endpoint_ClearIN();
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}
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}
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#if !defined(CONTROL_ONLY_DEVICE)
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uint8_t Endpoint_WaitUntilReady(void)
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{
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#if (USB_STREAM_TIMEOUT_MS < 0xFF)
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uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
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#else
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uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
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#endif
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uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber();
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for (;;)
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{
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if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN)
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{
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if (Endpoint_IsINReady())
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return ENDPOINT_READYWAIT_NoError;
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}
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else
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{
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if (Endpoint_IsOUTReceived())
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return ENDPOINT_READYWAIT_NoError;
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}
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uint8_t USB_DeviceState_LCL = USB_DeviceState;
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if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
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return ENDPOINT_READYWAIT_DeviceDisconnected;
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else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
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return ENDPOINT_READYWAIT_BusSuspended;
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else if (Endpoint_IsStalled())
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return ENDPOINT_READYWAIT_EndpointStalled;
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uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber();
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if (CurrentFrameNumber != PreviousFrameNumber)
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{
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PreviousFrameNumber = CurrentFrameNumber;
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if (!(TimeoutMSRem--))
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return ENDPOINT_READYWAIT_Timeout;
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}
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}
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}
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#endif
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#endif
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#endif
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