Merge pull request #1471 from qmk/lufa_lib

Update LUFA and move it to /lib/lufa

1 files changed, 179 insertions, 0 deletions

diff --git a/lib/lufa/Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.c b/lib/lufa/Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.c
new file mode 100644
index 0000000000..aac1b146d6
--- /dev/null
+++ b/lib/lufa/Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.c
@@ -0,0 +1,179 @@
+/*
+             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.
+*/
+
+/** \file
+ *
+ *  Main source file for the RNDISEthernet demo. This file contains the main tasks of
+ *  the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "RNDISEthernet.h"
+
+/** Message buffer for RNDIS messages processed by the RNDIS device class driver. */
+static uint8_t RNDIS_Message_Buffer[192];
+
+/** Global to store the incoming frame from the host before it is processed by the device. */
+static Ethernet_Frame_Info_t FrameIN;
+
+/** Global to store the outgoing frame created in the device before it is sent to the host. */
+static Ethernet_Frame_Info_t FrameOUT;
+
+/** LUFA RNDIS Class driver interface configuration and state information. This structure is
+ *  passed to all RNDIS Class driver functions, so that multiple instances of the same class
+ *  within a device can be differentiated from one another.
+ */
+USB_ClassInfo_RNDIS_Device_t Ethernet_RNDIS_Interface =
+	{
+		.Config =
+			{
+				.ControlInterfaceNumber         = INTERFACE_ID_CDC_CCI,
+				.DataINEndpoint                 =
+					{
+						.Address                = CDC_TX_EPADDR,
+						.Size                   = CDC_TXRX_EPSIZE,
+						.Banks                  = 1,
+					},
+				.DataOUTEndpoint                =
+					{
+						.Address                = CDC_RX_EPADDR,
+						.Size                   = CDC_TXRX_EPSIZE,
+						.Banks                  = 1,
+					},
+				.NotificationEndpoint           =
+					{
+						.Address                = CDC_NOTIFICATION_EPADDR,
+						.Size                   = CDC_NOTIFICATION_EPSIZE,
+						.Banks                  = 1,
+					},
+				.AdapterVendorDescription       = "LUFA RNDIS Demo Adapter",
+				.AdapterMACAddress              = {ADAPTER_MAC_ADDRESS},
+				.MessageBuffer                  = RNDIS_Message_Buffer,
+				.MessageBufferLength            = sizeof(RNDIS_Message_Buffer),
+			},
+	};
+
+
+/** Main program entry point. This routine contains the overall program flow, including initial
+ *  setup of all components and the main program loop.
+ */
+int main(void)
+{
+	SetupHardware();
+
+	TCP_Init();
+	Webserver_Init();
+
+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+	GlobalInterruptEnable();
+
+	for (;;)
+	{
+		if (RNDIS_Device_IsPacketReceived(&Ethernet_RNDIS_Interface))
+		{
+			LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
+
+			RNDIS_Device_ReadPacket(&Ethernet_RNDIS_Interface, &FrameIN.FrameData, &FrameIN.FrameLength);
+			Ethernet_ProcessPacket(&FrameIN, &FrameOUT);
+
+			if (FrameOUT.FrameLength)
+			{
+				RNDIS_Device_SendPacket(&Ethernet_RNDIS_Interface, &FrameOUT.FrameData, FrameOUT.FrameLength);
+				FrameOUT.FrameLength = 0;
+			}
+
+			LEDs_SetAllLEDs(LEDMASK_USB_READY);
+		}
+
+		TCP_TCPTask(&Ethernet_RNDIS_Interface, &FrameOUT);
+
+		RNDIS_Device_USBTask(&Ethernet_RNDIS_Interface);
+		USB_USBTask();
+	}
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+#if (ARCH == ARCH_AVR8)
+	/* Disable watchdog if enabled by bootloader/fuses */
+	MCUSR &= ~(1 << WDRF);
+	wdt_disable();
+
+	/* Disable clock division */
+	clock_prescale_set(clock_div_1);
+#elif (ARCH == ARCH_XMEGA)
+	/* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */
+	XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU);
+	XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL);
+
+	/* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */
+	XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ);
+	XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB);
+
+	PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm;
+#endif
+
+	/* Hardware Initialization */
+	LEDs_Init();
+	Serial_Init(9600, false);
+	USB_Init();
+
+	/* Create a stdio stream for the serial port for stdin and stdout */
+	Serial_CreateStream(NULL);
+}
+
+/** Event handler for the library USB Connection event. */
+void EVENT_USB_Device_Connect(void)
+{
+	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the library USB Disconnection event. */
+void EVENT_USB_Device_Disconnect(void)
+{
+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** Event handler for the library USB Configuration Changed event. */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+	bool ConfigSuccess = true;
+
+	ConfigSuccess &= RNDIS_Device_ConfigureEndpoints(&Ethernet_RNDIS_Interface);
+
+	LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
+}
+
+/** Event handler for the library USB Control Request reception event. */
+void EVENT_USB_Device_ControlRequest(void)
+{
+	RNDIS_Device_ProcessControlRequest(&Ethernet_RNDIS_Interface);
+}
+