diff options
Diffstat (limited to 'Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.c')
| -rw-r--r-- | Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.c b/Demos/Device/ClassDriver/RNDISEthernet/RNDISEthernet.c new file mode 100644 index 0000000000..aac1b146d6 --- /dev/null +++ b/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); +} + |