X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/c3dfc58707eafb6ed0efab5a50770294f5a6b3d3..de70f0f1cf034d8f22141a2825f24ad60d14421b:/Demos/Device/ClassDriver/USBtoSerial/USBtoSerial.c?ds=inline diff --git a/Demos/Device/ClassDriver/USBtoSerial/USBtoSerial.c b/Demos/Device/ClassDriver/USBtoSerial/USBtoSerial.c deleted file mode 100644 index c46bb5d01..000000000 --- a/Demos/Device/ClassDriver/USBtoSerial/USBtoSerial.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - 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 USBtoSerial demo. This file contains the main tasks of - * the demo and is responsible for the initial application hardware configuration. - */ - -#include "USBtoSerial.h" - -/** Circular buffer to hold data from the host before it is sent to the device via the serial port. */ -RingBuff_t Rx_Buffer; - -/** Circular buffer to hold data from the serial port before it is sent to the host. */ -RingBuff_t Tx_Buffer; - -/** LUFA CDC Class driver interface configuration and state information. This structure is - * passed to all CDC Class driver functions, so that multiple instances of the same class - * within a device can be differentiated from one another. - */ -USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface = - { - .Config = - { - .ControlInterfaceNumber = 0, - - .DataINEndpointNumber = CDC_TX_EPNUM, - .DataINEndpointSize = CDC_TXRX_EPSIZE, - - .DataOUTEndpointNumber = CDC_RX_EPNUM, - .DataOUTEndpointSize = CDC_TXRX_EPSIZE, - - .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM, - .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE, - }, - }; - -/** 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(); - - Buffer_Initialize(&Rx_Buffer); - Buffer_Initialize(&Tx_Buffer); - - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); - - for (;;) - { - /* Read bytes from the USB OUT endpoint into the USART transmit buffer */ - for (uint8_t DataBytesRem = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface); DataBytesRem != 0; DataBytesRem--) - { - if (!(BUFF_STATICSIZE - Rx_Buffer.Elements)) - break; - - Buffer_StoreElement(&Rx_Buffer, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface)); - } - - /* Read bytes from the USART receive buffer into the USB IN endpoint */ - if (Tx_Buffer.Elements) - CDC_Device_SendByte(&VirtualSerial_CDC_Interface, Buffer_GetElement(&Tx_Buffer)); - - /* Load bytes from the USART transmit buffer into the USART */ - if (Rx_Buffer.Elements) - Serial_TxByte(Buffer_GetElement(&Rx_Buffer)); - - CDC_Device_USBTask(&VirtualSerial_CDC_Interface); - 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 */ - Serial_Init(9600, false); - LEDs_Init(); - USB_Init(); -} - -/** 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) -{ - LEDs_SetAllLEDs(LEDMASK_USB_READY); - - if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface))) - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); -} - -/** Event handler for the library USB Unhandled Control Request event. */ -void EVENT_USB_Device_UnhandledControlRequest(void) -{ - CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface); -} - -/** ISR to manage the reception of data from the serial port, placing received bytes into a circular buffer - * for later transmission to the host. - */ -ISR(USART1_RX_vect, ISR_BLOCK) -{ - uint8_t ReceivedByte = UDR1; - - if (USB_DeviceState == DEVICE_STATE_Configured) - Buffer_StoreElement(&Tx_Buffer, ReceivedByte); -} - -/** Event handler for the CDC Class driver Line Encoding Changed event. - * - * \param[in] CDCInterfaceInfo Pointer to the CDC class interface configuration structure being referenced - */ -void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) -{ - uint8_t ConfigMask = 0; - - switch (CDCInterfaceInfo->State.LineEncoding.ParityType) - { - case CDC_PARITY_Odd: - ConfigMask = ((1 << UPM11) | (1 << UPM10)); - break; - case CDC_PARITY_Even: - ConfigMask = (1 << UPM11); - break; - } - - if (CDCInterfaceInfo->State.LineEncoding.CharFormat == CDC_LINEENCODING_TwoStopBits) - ConfigMask |= (1 << USBS1); - - switch (CDCInterfaceInfo->State.LineEncoding.DataBits) - { - case 6: - ConfigMask |= (1 << UCSZ10); - break; - case 7: - ConfigMask |= (1 << UCSZ11); - break; - case 8: - ConfigMask |= ((1 << UCSZ11) | (1 << UCSZ10)); - break; - } - - UCSR1A = (1 << U2X1); - UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1)); - UCSR1C = ConfigMask; - UBRR1 = SERIAL_2X_UBBRVAL((uint16_t)CDCInterfaceInfo->State.LineEncoding.BaudRateBPS); -}