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-rw-r--r--Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c604
1 files changed, 302 insertions, 302 deletions
diff --git a/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c b/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c
index cb06bc333..d11829dd6 100644
--- a/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c
+++ b/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c
@@ -1,302 +1,302 @@
-/*
- 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);
- }
-}
+/*
+ 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);
+ }
+}