180 wiersze
5.6 KiB
C
180 wiersze
5.6 KiB
C
|
/*
|
||
|
LUFA Library
|
||
|
Copyright (C) Dean Camera, 2014.
|
||
|
|
||
|
dean [at] fourwalledcubicle [dot] com
|
||
|
www.lufa-lib.org
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
Copyright 2014 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);
|
||
|
}
|
||
|
|