#ifndef _DEV_SPI_7SEG_H_ #define _DEV_SPI_7SEG_H_ /* * Copyright (C) 2009 by Ulrich Prinz (uprinz2@netscape.net) * Copyright (C) 2009 by Rittal GmbH & Co. KG. All rights reserved. * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * For additional information see http://www.ethernut.de/ */ /*! * \file include/dev/spi_7seg.h * \brief ntrx * * \verbatim * $Id: spi_ntrx.h$ * \endverbatim */ #include #include extern NUTSPINODE nodeSpi7SEG; extern NUTDEVICE devSpi7SEG; #ifndef ESC_CHAR #define ESC_CHAR "\x1B" #endif /* 7 Segment Display commands for use in fprintf */ #define CLR_7SEG ESC_CHAR "c" /*< \brief Clear display and reset write position. */ #define BLS_7SEG ESC_CHAR "b" /*< \brief Set display blinking 0.5Hz. */ #define BLF_7SEG ESC_CHAR "f" /*< \brief Set display blinking 2Hz. */ #define NOR_7SEG ESC_CHAR "n" /*< \brief Set display to normal mode. */ #define HOME_7SEG ESC_CHAR "h" /*< \brief Set write position home. */ #define TEST_7SEG ESC_CHAR "t" /*< \brief Enable test mode of display (all segments on). */ #define INT_7SEG ESC_CHAR "i" /*< \brief Set intensity of display ( "0".."f"). */ /* 7 Segment Display dot extra functions */ #define DOT_7SEG_CLR 0 /*< \brief Clear the decimal dot of a digit. */ #define DOT_7SEG_SET 1 /*< \brief Set the decimal dot of a digit. */ #define DOT_7SEG_FLIP 2 /*< \brief Invert the decimal dot of a digit. */ void Spi7segDot(NUTDEVICE * dev, uint8_t pos, uint8_t act); extern int Spi7segCommand(NUTDEVICE * dev, uint8_t addr, const void *txbuf, void *rxbuf, int xlen); #endif