/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2021.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2021 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
+ 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
#include "RNDISEthernet.h"
+/** 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;
+
/** Main program entry point. This routine configures the hardware required by the application, then
* enters a loop to run the application tasks in sequence.
*/
{
SetupHardware();
- /* Webserver Initialization */
- TCP_Init();
- Webserver_Init();
-
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- sei();
-
+ 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();
- SerialStream_Init(9600, false);
+ 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
bool ConfigSuccess = true;
/* Setup RNDIS Data Endpoints */
- ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_TX_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_IN,
- CDC_TXRX_EPSIZE, ENDPOINT_BANK_SINGLE);
- ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_RX_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_OUT,
- CDC_TXRX_EPSIZE, ENDPOINT_BANK_SINGLE);
- ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
- CDC_NOTIFICATION_EPSIZE, ENDPOINT_BANK_SINGLE);
+ 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_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.
+/** 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_UnhandledControlRequest(void)
+void EVENT_USB_Device_ControlRequest(void)
{
+ /* Send MS OS Compatibility descriptor if requested by the host. */
+ CheckIfMSCompatibilityDescriptorRequest();
+
/* Process RNDIS class commands */
switch (USB_ControlRequest.bRequest)
{
- case REQ_SendEncapsulatedCommand:
+ 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 REQ_GetEncapsulatedResponse:
+ case RNDIS_REQ_GetEncapsulatedResponse:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
/* Check if a response to the last message is ready */
}
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;
}
}
void RNDIS_Task(void)
{
/* Select the notification endpoint */
- Endpoint_SelectEndpoint(CDC_NOTIFICATION_EPNUM);
+ Endpoint_SelectEndpoint(CDC_NOTIFICATION_EPADDR);
/* Check if a message response is ready for the host */
if (Endpoint_IsINReady() && ResponseReady)
{
- USB_Notification_t Notification = (USB_Notification_t)
+ USB_Request_Header_t Notification = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
- .bNotification = NOTIF_RESPONSE_AVAILABLE,
+ .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));
+ 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))
{
RNDIS_Packet_Message_t RNDISPacketHeader;
/* Select the data OUT endpoint */
- Endpoint_SelectEndpoint(CDC_RX_EPNUM);
-
+ Endpoint_SelectEndpoint(CDC_RX_EPADDR);
+
/* Check if the data OUT endpoint contains data, and that the IN buffer is empty */
- if (Endpoint_IsOUTReceived() && !(FrameIN.FrameInBuffer))
+ if (Endpoint_IsOUTReceived() && !(FrameIN.FrameLength))
{
/* Read in the packet message header */
- Endpoint_Read_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t));
+ 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);
+ 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;
-
- /* Indicate Ethernet IN buffer full */
- FrameIN.FrameInBuffer = true;
}
-
+
/* Select the data IN endpoint */
- Endpoint_SelectEndpoint(CDC_TX_EPNUM);
-
+ 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.FrameInBuffer)
+ 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));
RNDISPacketHeader.DataLength = FrameOUT.FrameLength;
/* Send the packet header to the host */
- Endpoint_Write_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t));
+ 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);
-
+ 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.FrameInBuffer = false;
+ FrameOUT.FrameLength = 0;
}
}
}
return;
/* Check if a frame has been written to the IN frame buffer */
- if (FrameIN.FrameInBuffer)
+ 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();
+ // TODO: Process FrameIN here, and optionally fill FrameOUT.
/* Indicate packet processing complete */
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
}
+
projects / pub / lufa.git / blobdiff