Squashed 'lib/lufa/' content from commit 385d40300

git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b

1 files changed, 196 insertions, 0 deletions

diff --git a/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.c b/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.c
new file mode 100644
index 0000000000..7e24672c50
--- /dev/null
+++ b/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.c
@@ -0,0 +1,196 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  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 disclaims 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.
+*/
+
+#include "../../../../Common/Common.h"
+#if (ARCH == ARCH_UC3)
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../USBMode.h"
+
+#if defined(USB_CAN_BE_DEVICE)
+
+#include "../Endpoint.h"
+
+#if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
+uint8_t USB_Device_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE;
+#endif
+
+volatile uint32_t USB_Endpoint_SelectedEndpoint = ENDPOINT_CONTROLEP;
+volatile uint8_t* USB_Endpoint_FIFOPos[ENDPOINT_TOTAL_ENDPOINTS];
+
+bool Endpoint_ConfigureEndpointTable(const USB_Endpoint_Table_t* const Table,
+                                     const uint8_t Entries)
+{
+	for (uint8_t i = 0; i < Entries; i++)
+	{
+		if (!(Table[i].Address))
+		  continue;
+
+		if (!(Endpoint_ConfigureEndpoint(Table[i].Address, Table[i].Type, Table[i].Size, Table[i].Banks)))
+		{
+			return false;
+		}
+	}
+
+	return true;
+}
+
+bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
+                                    const uint32_t UECFG0Data)
+{
+	USB_Endpoint_FIFOPos[Number] = &AVR32_USBB_SLAVE[Number * ENDPOINT_HSB_ADDRESS_SPACE_SIZE];
+
+#if defined(CONTROL_ONLY_DEVICE) || defined(ORDERED_EP_CONFIG)
+	Endpoint_SelectEndpoint(Number);
+	Endpoint_EnableEndpoint();
+
+	(&AVR32_USBB.uecfg0)[Number] = 0;
+	(&AVR32_USBB.uecfg0)[Number] = UECFG0Data;
+
+	return Endpoint_IsConfigured();
+#else
+	for (uint8_t EPNum = Number; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
+	{
+		uint32_t UECFG0Temp;
+
+		Endpoint_SelectEndpoint(EPNum);
+
+		if (EPNum == Number)
+		{
+			UECFG0Temp = UECFG0Data;
+		}
+		else
+		{
+			UECFG0Temp = (&AVR32_USBB.uecfg0)[EPNum];
+		}
+
+		if (!(UECFG0Temp & AVR32_USBB_ALLOC_MASK))
+		  continue;
+
+		Endpoint_DisableEndpoint();
+		(&AVR32_USBB.uecfg0)[EPNum] &= ~AVR32_USBB_ALLOC_MASK;
+
+		Endpoint_EnableEndpoint();
+		(&AVR32_USBB.uecfg0)[EPNum] = UECFG0Temp;
+
+		if (!(Endpoint_IsConfigured()))
+		  return false;
+	}
+
+	Endpoint_SelectEndpoint(Number);
+	return true;
+#endif
+}
+
+void Endpoint_ClearEndpoints(void)
+{
+	for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
+	{
+		Endpoint_SelectEndpoint(EPNum);
+		(&AVR32_USBB.uecfg0)[EPNum]    = 0;
+		(&AVR32_USBB.uecon0clr)[EPNum] = -1;
+		USB_Endpoint_FIFOPos[EPNum]    = &AVR32_USBB_SLAVE[EPNum * 0x10000];
+		Endpoint_DisableEndpoint();
+	}
+}
+
+void Endpoint_ClearStatusStage(void)
+{
+	if (USB_ControlRequest.bmRequestType & REQDIR_DEVICETOHOST)
+	{
+		while (!(Endpoint_IsOUTReceived()))
+		{
+			if (USB_DeviceState == DEVICE_STATE_Unattached)
+			  return;
+		}
+
+		Endpoint_ClearOUT();
+	}
+	else
+	{
+		while (!(Endpoint_IsINReady()))
+		{
+			if (USB_DeviceState == DEVICE_STATE_Unattached)
+			  return;
+		}
+
+		Endpoint_ClearIN();
+	}
+}
+
+#if !defined(CONTROL_ONLY_DEVICE)
+uint8_t Endpoint_WaitUntilReady(void)
+{
+	#if (USB_STREAM_TIMEOUT_MS < 0xFF)
+	uint8_t  TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
+	#else
+	uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
+	#endif
+
+	uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber();
+
+	for (;;)
+	{
+		if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN)
+		{
+			if (Endpoint_IsINReady())
+			  return ENDPOINT_READYWAIT_NoError;
+		}
+		else
+		{
+			if (Endpoint_IsOUTReceived())
+			  return ENDPOINT_READYWAIT_NoError;
+		}
+
+		uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+		  return ENDPOINT_READYWAIT_DeviceDisconnected;
+		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+		  return ENDPOINT_READYWAIT_BusSuspended;
+		else if (Endpoint_IsStalled())
+		  return ENDPOINT_READYWAIT_EndpointStalled;
+
+		uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber();
+
+		if (CurrentFrameNumber != PreviousFrameNumber)
+		{
+			PreviousFrameNumber = CurrentFrameNumber;
+
+			if (!(TimeoutMSRem--))
+			  return ENDPOINT_READYWAIT_Timeout;
+		}
+	}
+}
+#endif
+
+#endif
+
+#endif