diff options
Diffstat (limited to 'lib/lufa/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c')
| -rw-r--r-- | lib/lufa/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c b/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c deleted file mode 100644 index f1dd7a788..000000000 --- a/lib/lufa/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - 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" - -/** Main program entry point. This routine configures the hardware required by the application, then - * enters a loop to run the application tasks in sequence. - */ -int main(void) -{ - SetupHardware(); - - /* Webserver Initialization */ - TCP_Init(); - Webserver_Init(); - - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); - GlobalInterruptEnable(); - - for (;;) - { - Ethernet_Task(); - TCP_Task(); - RNDIS_Task(); - 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 USB_Connect event. This indicates that the device is enumerating via the status LEDs and - * starts the library USB task to begin the enumeration and USB management process. - */ -void EVENT_USB_Device_Connect(void) -{ - /* Indicate USB enumerating */ - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); -} - -/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via - * the status LEDs and stops all the relevant tasks. - */ -void EVENT_USB_Device_Disconnect(void) -{ - /* Indicate USB not ready */ - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); -} - -/** Event handler for the USB_ConfigurationChanged event. This is fired when the host sets the current configuration - * of the USB device after enumeration, and configures the RNDIS device endpoints and starts the relevant tasks. - */ -void EVENT_USB_Device_ConfigurationChanged(void) -{ - bool ConfigSuccess = true; - - /* Setup RNDIS Data Endpoints */ - ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_TX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1); - ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_RX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1); - ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, CDC_NOTIFICATION_EPSIZE, 1); - - /* Indicate endpoint configuration success or failure */ - LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR); -} - -/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to - * the device from the USB host before passing along unhandled control requests to the library for processing - * internally. - */ -void EVENT_USB_Device_ControlRequest(void) -{ - /* Process RNDIS class commands */ - switch (USB_ControlRequest.bRequest) - { - case RNDIS_REQ_SendEncapsulatedCommand: - if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) - { - Endpoint_ClearSETUP(); - - /* Read in the RNDIS message into the message buffer */ - Endpoint_Read_Control_Stream_LE(RNDISMessageBuffer, USB_ControlRequest.wLength); - Endpoint_ClearIN(); - - /* Process the RNDIS message */ - ProcessRNDISControlMessage(); - } - - break; - case RNDIS_REQ_GetEncapsulatedResponse: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) - { - /* Check if a response to the last message is ready */ - if (!(MessageHeader->MessageLength)) - { - /* Set the response to a single 0x00 byte to indicate that no response is ready */ - RNDISMessageBuffer[0] = 0; - MessageHeader->MessageLength = 1; - } - - Endpoint_ClearSETUP(); - - /* Write the message response data to the endpoint */ - Endpoint_Write_Control_Stream_LE(RNDISMessageBuffer, MessageHeader->MessageLength); - Endpoint_ClearOUT(); - - /* Reset the message header once again after transmission */ - MessageHeader->MessageLength = 0; - } - - break; - } -} - -/** Task to manage the sending and receiving of encapsulated RNDIS data and notifications. This removes the RNDIS - * wrapper from received Ethernet frames and places them in the FrameIN global buffer, or adds the RNDIS wrapper - * to a frame in the FrameOUT global before sending the buffer contents to the host. - */ -void RNDIS_Task(void) -{ - /* Select the notification endpoint */ - Endpoint_SelectEndpoint(CDC_NOTIFICATION_EPADDR); - - /* Check if a message response is ready for the host */ - if (Endpoint_IsINReady() && ResponseReady) - { - USB_Request_Header_t Notification = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = RNDIS_NOTIF_ResponseAvailable, - .wValue = 0, - .wIndex = 0, - .wLength = 0, - }; - - /* Indicate that a message response is ready for the host */ - Endpoint_Write_Stream_LE(&Notification, sizeof(Notification), NULL); - - /* Finalize the stream transfer to send the last packet */ - Endpoint_ClearIN(); - - /* Indicate a response is no longer ready */ - ResponseReady = false; - } - - /* Don't process the data endpoints until the system is in the data initialized state, and the buffer is free */ - if ((CurrRNDISState == RNDIS_Data_Initialized) && !(MessageHeader->MessageLength)) - { - /* Create a new packet header for reading/writing */ - RNDIS_Packet_Message_t RNDISPacketHeader; - - /* Select the data OUT endpoint */ - Endpoint_SelectEndpoint(CDC_RX_EPADDR); - - /* Check if the data OUT endpoint contains data, and that the IN buffer is empty */ - if (Endpoint_IsOUTReceived() && !(FrameIN.FrameLength)) - { - /* Read in the packet message header */ - Endpoint_Read_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NULL); - - /* Stall the request if the data is too large */ - if (RNDISPacketHeader.DataLength > ETHERNET_FRAME_SIZE_MAX) - { - Endpoint_StallTransaction(); - return; - } - - /* Read in the Ethernet frame into the buffer */ - Endpoint_Read_Stream_LE(FrameIN.FrameData, RNDISPacketHeader.DataLength, NULL); - - /* Finalize the stream transfer to send the last packet */ - Endpoint_ClearOUT(); - - /* Store the size of the Ethernet frame */ - FrameIN.FrameLength = RNDISPacketHeader.DataLength; - } - - /* Select the data IN endpoint */ - Endpoint_SelectEndpoint(CDC_TX_EPADDR); - - /* Check if the data IN endpoint is ready for more data, and that the IN buffer is full */ - if (Endpoint_IsINReady() && FrameOUT.FrameLength) - { - /* Clear the packet header with all 0s so that the relevant fields can be filled */ - memset(&RNDISPacketHeader, 0, sizeof(RNDIS_Packet_Message_t)); - - /* Construct the required packet header fields in the buffer */ - RNDISPacketHeader.MessageType = REMOTE_NDIS_PACKET_MSG; - RNDISPacketHeader.MessageLength = (sizeof(RNDIS_Packet_Message_t) + FrameOUT.FrameLength); - RNDISPacketHeader.DataOffset = (sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)); - RNDISPacketHeader.DataLength = FrameOUT.FrameLength; - - /* Send the packet header to the host */ - Endpoint_Write_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NULL); - - /* Send the Ethernet frame data to the host */ - Endpoint_Write_Stream_LE(FrameOUT.FrameData, RNDISPacketHeader.DataLength, NULL); - - /* Finalize the stream transfer to send the last packet */ - Endpoint_ClearIN(); - - /* Indicate Ethernet OUT buffer no longer full */ - FrameOUT.FrameLength = 0; - } - } -} - -/** Ethernet frame processing task. This task checks to see if a frame has been received, and if so hands off the processing - * of the frame to the Ethernet processing routines. - */ -void Ethernet_Task(void) -{ - /* Task for Ethernet processing. Incoming ethernet frames are loaded into the FrameIN structure, and - outgoing frames should be loaded into the FrameOUT structure. Both structures can only hold a single - Ethernet frame at a time, so the FrameInBuffer bool is used to indicate when the buffers contain data. */ - - /* Device must be connected and configured for the task to run */ - if (USB_DeviceState != DEVICE_STATE_Configured) - return; - - /* Check if a frame has been written to the IN frame buffer */ - if (FrameIN.FrameLength) - { - /* Indicate packet processing started */ - LEDs_SetAllLEDs(LEDMASK_USB_BUSY); - - /* Process the ethernet frame - replace this with your own Ethernet handler code as desired */ - Ethernet_ProcessPacket(); - - /* Indicate packet processing complete */ - LEDs_SetAllLEDs(LEDMASK_USB_READY); - } -} - |