X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/c5038f1bf44aea75f1ae1ed035cb7d523ccfdacb..d83cc9ac8049f651637dc2d9b8632f3c208bbdf6:/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c diff --git a/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c b/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c index b722187c6..d11829dd6 100644 --- a/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c +++ b/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c @@ -1,303 +1,302 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2009. - - dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com -*/ - -/* - Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, and distribute this software - and its documentation for any purpose and without fee is hereby - granted, 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 disclaim 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 - * starts the scheduler to run the USB management task. - */ -int main(void) -{ - SetupHardware(); - - /* Webserver Initialization */ - TCP_Init(); - Webserver_Init(); - - printf_P(PSTR("\r\n\r\n****** RNDIS Demo running. ******\r\n")); - - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); - - for (;;) - { - Ethernet_Task(); - TCP_Task(); - RNDIS_Task(); - USB_USBTask(); - } -} - -/** Configures the board hardware and chip peripherals for the demo's functionality. */ -void SetupHardware(void) -{ - /* Disable watchdog if enabled by bootloader/fuses */ - MCUSR &= ~(1 << WDRF); - wdt_disable(); - - /* Disable clock division */ - clock_prescale_set(clock_div_1); - - /* Hardware Initialization */ - LEDs_Init(); - SerialStream_Init(9600, false); - USB_Init(); -} - -/** 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) -{ - /* Indicate USB connected and ready */ - LEDs_SetAllLEDs(LEDMASK_USB_READY); - - /* Setup CDC Notification, Rx and Tx Endpoints */ - if (!(Endpoint_ConfigureEndpoint(CDC_TX_EPNUM, EP_TYPE_BULK, - ENDPOINT_DIR_IN, CDC_TXRX_EPSIZE, - ENDPOINT_BANK_SINGLE))) - { - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - } - - if (!(Endpoint_ConfigureEndpoint(CDC_RX_EPNUM, EP_TYPE_BULK, - ENDPOINT_DIR_OUT, CDC_TXRX_EPSIZE, - ENDPOINT_BANK_SINGLE))) - { - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - } - - if (!(Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPNUM, EP_TYPE_INTERRUPT, - ENDPOINT_DIR_IN, CDC_NOTIFICATION_EPSIZE, - ENDPOINT_BANK_SINGLE))) - { - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - } -} - -/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific - * control requests that are not handled internally by the USB library (including the RNDIS control commands, - * which set up the USB RNDIS network adapter), so that they can be handled appropriately for the application. - */ -void EVENT_USB_Device_UnhandledControlRequest(void) -{ - /* Process RNDIS class commands */ - switch (USB_ControlRequest.bRequest) - { - case REQ_SendEncapsulatedCommand: - if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) - { - /* Clear the SETUP packet, ready for data transfer */ - Endpoint_ClearSETUP(); - - /* Read in the RNDIS message into the message buffer */ - Endpoint_Read_Control_Stream_LE(RNDISMessageBuffer, USB_ControlRequest.wLength); - - /* Finalize the stream transfer to clear the last packet from the host */ - Endpoint_ClearIN(); - - /* Process the RNDIS message */ - ProcessRNDISControlMessage(); - } - - break; - case REQ_GetEncapsulatedResponse: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) - { - /* Clear the SETUP packet, ready for data transfer */ - Endpoint_ClearSETUP(); - - /* 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; - } - - /* Write the message response data to the endpoint */ - Endpoint_Write_Control_Stream_LE(RNDISMessageBuffer, MessageHeader->MessageLength); - - /* Finalize the stream transfer to send the last packet or clear the host abort */ - 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_EPNUM); - - /* Check if a message response is ready for the host */ - if (Endpoint_IsINReady() && ResponseReady) - { - USB_Notification_t Notification = (USB_Notification_t) - { - .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), - .bNotification = NOTIF_RESPONSE_AVAILABLE, - .wValue = 0, - .wIndex = 0, - .wLength = 0, - }; - - /* Indicate that a message response is ready for the host */ - Endpoint_Write_Stream_LE(&Notification, sizeof(Notification)); - - /* 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_EPNUM); - - /* Check if the data OUT endpoint contains data, and that the IN buffer is empty */ - if (Endpoint_IsOUTReceived() && !(FrameIN.FrameInBuffer)) - { - /* Read in the packet message header */ - Endpoint_Read_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t)); - - /* 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); - - /* Finalize the stream transfer to send the last packet */ - Endpoint_ClearOUT(); - - /* Store the size of the Ethernet frame */ - FrameIN.FrameLength = RNDISPacketHeader.DataLength; - - /* Indicate Ethernet IN buffer full */ - FrameIN.FrameInBuffer = true; - } - - /* Select the data IN endpoint */ - Endpoint_SelectEndpoint(CDC_TX_EPNUM); - - /* Check if the data IN endpoint is ready for more data, and that the IN buffer is full */ - if (Endpoint_IsINReady() && FrameOUT.FrameInBuffer) - { - /* 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)); - - /* Send the Ethernet frame data to the host */ - Endpoint_Write_Stream_LE(FrameOUT.FrameData, RNDISPacketHeader.DataLength); - - /* Finalize the stream transfer to send the last packet */ - Endpoint_ClearIN(); - - /* Indicate Ethernet OUT buffer no longer full */ - FrameOUT.FrameInBuffer = false; - } - } -} - -/** 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.FrameInBuffer) - { - /* 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); - } -} +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2010 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 disclaim 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); + sei(); + + for (;;) + { + Ethernet_Task(); + TCP_Task(); + RNDIS_Task(); + USB_USBTask(); + } +} + +/** Configures the board hardware and chip peripherals for the demo's functionality. */ +void SetupHardware(void) +{ + /* Disable watchdog if enabled by bootloader/fuses */ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + /* Disable clock division */ + clock_prescale_set(clock_div_1); + + /* Hardware Initialization */ + LEDs_Init(); + SerialStream_Init(9600, false); + USB_Init(); +} + +/** 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) +{ + /* Indicate USB connected and ready */ + LEDs_SetAllLEDs(LEDMASK_USB_READY); + + /* Setup CDC Notification, Rx and Tx Endpoints */ + if (!(Endpoint_ConfigureEndpoint(CDC_TX_EPNUM, EP_TYPE_BULK, + ENDPOINT_DIR_IN, CDC_TXRX_EPSIZE, + ENDPOINT_BANK_SINGLE))) + { + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + } + + if (!(Endpoint_ConfigureEndpoint(CDC_RX_EPNUM, EP_TYPE_BULK, + ENDPOINT_DIR_OUT, CDC_TXRX_EPSIZE, + ENDPOINT_BANK_SINGLE))) + { + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + } + + if (!(Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPNUM, EP_TYPE_INTERRUPT, + ENDPOINT_DIR_IN, CDC_NOTIFICATION_EPSIZE, + ENDPOINT_BANK_SINGLE))) + { + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + } +} + +/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific + * control requests that are not handled internally by the USB library (including the RNDIS control commands, + * which set up the USB RNDIS network adapter), so that they can be handled appropriately for the application. + */ +void EVENT_USB_Device_UnhandledControlRequest(void) +{ + /* Process RNDIS class commands */ + switch (USB_ControlRequest.bRequest) + { + case REQ_SendEncapsulatedCommand: + if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) + { + /* Clear the SETUP packet, ready for data transfer */ + Endpoint_ClearSETUP(); + + /* Read in the RNDIS message into the message buffer */ + Endpoint_Read_Control_Stream_LE(RNDISMessageBuffer, USB_ControlRequest.wLength); + + /* Finalize the stream transfer to clear the last packet from the host */ + Endpoint_ClearIN(); + + /* Process the RNDIS message */ + ProcessRNDISControlMessage(); + } + + break; + case REQ_GetEncapsulatedResponse: + if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) + { + /* Clear the SETUP packet, ready for data transfer */ + Endpoint_ClearSETUP(); + + /* 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; + } + + /* Write the message response data to the endpoint */ + Endpoint_Write_Control_Stream_LE(RNDISMessageBuffer, MessageHeader->MessageLength); + + /* Finalize the stream transfer to send the last packet or clear the host abort */ + 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_EPNUM); + + /* Check if a message response is ready for the host */ + if (Endpoint_IsINReady() && ResponseReady) + { + USB_Notification_t Notification = (USB_Notification_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), + .bNotification = NOTIF_RESPONSE_AVAILABLE, + .wValue = 0, + .wIndex = 0, + .wLength = 0, + }; + + /* Indicate that a message response is ready for the host */ + Endpoint_Write_Stream_LE(&Notification, sizeof(Notification)); + + /* 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_EPNUM); + + /* Check if the data OUT endpoint contains data, and that the IN buffer is empty */ + if (Endpoint_IsOUTReceived() && !(FrameIN.FrameInBuffer)) + { + /* Read in the packet message header */ + Endpoint_Read_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t)); + + /* 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); + + /* Finalize the stream transfer to send the last packet */ + Endpoint_ClearOUT(); + + /* Store the size of the Ethernet frame */ + FrameIN.FrameLength = RNDISPacketHeader.DataLength; + + /* Indicate Ethernet IN buffer full */ + FrameIN.FrameInBuffer = true; + } + + /* Select the data IN endpoint */ + Endpoint_SelectEndpoint(CDC_TX_EPNUM); + + /* Check if the data IN endpoint is ready for more data, and that the IN buffer is full */ + if (Endpoint_IsINReady() && FrameOUT.FrameInBuffer) + { + /* 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)); + + /* Send the Ethernet frame data to the host */ + Endpoint_Write_Stream_LE(FrameOUT.FrameData, RNDISPacketHeader.DataLength); + + /* Finalize the stream transfer to send the last packet */ + Endpoint_ClearIN(); + + /* Indicate Ethernet OUT buffer no longer full */ + FrameOUT.FrameInBuffer = false; + } + } +} + +/** 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.FrameInBuffer) + { + /* 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); + } +}