diff options
Diffstat (limited to 'lib/lufa/Projects/SerialToLCD/SerialToLCD.c')
| -rw-r--r-- | lib/lufa/Projects/SerialToLCD/SerialToLCD.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/lib/lufa/Projects/SerialToLCD/SerialToLCD.c b/lib/lufa/Projects/SerialToLCD/SerialToLCD.c deleted file mode 100644 index 85abbdb50..000000000 --- a/lib/lufa/Projects/SerialToLCD/SerialToLCD.c +++ /dev/null @@ -1,170 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Copyright 2012 Simon Foster (simon.foster [at] inbox [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 SerialToLCD program. This file contains the main tasks of - * the project and is responsible for the initial application hardware configuration. - */ - -#include "SerialToLCD.h" - -/** Circular buffer to hold data from the host before it is sent to the LCD */ -static RingBuffer_t FromHost_Buffer; - -/** Underlying data buffer for \ref FromHost_Buffer, where the stored bytes are located. */ -static uint8_t FromHost_Buffer_Data[128]; - -/** 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 = 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, - }, - }, - }; - - -/** 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(); - - RingBuffer_InitBuffer(&FromHost_Buffer, FromHost_Buffer_Data, sizeof(FromHost_Buffer_Data)); - - GlobalInterruptEnable(); - - for (;;) - { - /* Only try to read in bytes from the CDC interface if the transmit buffer is not full */ - if (!(RingBuffer_IsFull(&FromHost_Buffer))) - { - int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface); - - /* Read bytes from the USB OUT endpoint into the USART transmit buffer */ - if (!(ReceivedByte < 0)) - RingBuffer_Insert(&FromHost_Buffer, ReceivedByte); - } - - while (RingBuffer_GetCount(&FromHost_Buffer) > 0) - { - static uint8_t EscapePending = 0; - int16_t HD44780Byte = RingBuffer_Remove(&FromHost_Buffer); - - if (HD44780Byte == COMMAND_ESCAPE) - { - if (EscapePending) - { - HD44780_WriteData(HD44780Byte); - EscapePending = 0; - } - else - { - /* Next received character is the command byte */ - EscapePending = 1; - } - } - else - { - if (EscapePending) - { - HD44780_WriteCommand(HD44780Byte); - EscapePending = 0; - } - else - { - HD44780_WriteData(HD44780Byte); - } - } - } - - CDC_Device_USBTask(&VirtualSerial_CDC_Interface); - USB_USBTask(); - } -} - -/** Configures the board hardware and chip peripherals for the application'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); -#endif - - /* Hardware Initialization */ - USB_Init(); - - /* Power up the HD44780 Interface */ - HD44780_Initialize(); - HD44780_WriteCommand(CMD_DISPLAY_ON); - - /* Start the flush timer so that overflows occur rapidly to push received bytes to the USB interface */ - TCCR0B = (1 << CS02); -} - -/** Event handler for the library USB Configuration Changed event. */ -void EVENT_USB_Device_ConfigurationChanged(void) -{ - CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface); -} - -/** Event handler for the library USB Control Request reception event. */ -void EVENT_USB_Device_ControlRequest(void) -{ - CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface); -} |