--- a/brewco/lcd-pcf8574.c Thu Feb 25 22:42:54 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,114 +0,0 @@
-/*
- * lcd-pcf8574.c:
- * Text-based LCD driver library code
- * This is designed to drive the HD44780U LCD display connected via
- * a "LCM1602 IIC A0 A1 A2" board with a PCF8574 I2C controller.
- *
- * Copyright (c) 2012-2013 Gordon Henderson.
- * Copyright (c) 2014 Michiel Broek.
- ***********************************************************************
- *
- * mbsePi is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * mbsePi is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
- ***********************************************************************
- */
-
-#include "brewco.h"
-#include "lcd-pcf8574.h"
-#include "slcd.h"
-
-
-int lcdHandle;
-int slcdHandle;
-
-
-#ifdef HAVE_WIRINGPI_H
-struct lcdDataStruct
-{
- int bits, rows, cols ;
- int rsPin, strbPin ;
- int dataPins [8] ;
- int cx, cy ;
-};
-
-extern struct lcdDataStruct *lcds [MAX_LCDS];
-#endif
-extern sys_config Config;
-extern uint16_t leds;
-
-
-/*
- * setBacklight:
- *********************************************************************************
- */
-void setBacklight(int value)
-{
-#ifdef HAVE_WIRINGPI_H
- pinMode (AF_BACKLIGHT, OUTPUT) ;
- digitalWrite (AF_BACKLIGHT, (value & 1)) ;
-#endif
- if (value) {
- leds |= SLED_LCD;
- } else {
- leds &= ~SLED_LCD;
- }
- slcdLEDs(slcdHandle);
-}
-
-
-/*
- * initLCD:
- *********************************************************************************
- */
-
-int initLCD(int cols, int rows)
-{
- if (!((rows == 1) || (rows == 2) || (rows == 4))) {
- fprintf (stderr, "rows must be 1, 2 or 4\n") ;
- return EXIT_FAILURE ;
- }
-
- if (!((cols == 16) || (cols == 20))) {
- fprintf (stderr, "cols must be 16 or 20\n") ;
- return EXIT_FAILURE ;
- }
-
-#ifdef HAVE_WIRINGPI_H
- pcf8574Setup(AF_BASE, 0x27) ;
- pinMode (AF_RW, OUTPUT) ;
- digitalWrite (AF_RW, LOW) ; // Not used with wiringPi - always in write mode
-
- /*
- * The other control pins are initialised with lcdInit ()
- */
- lcdHandle = lcdInit (rows, cols, 4, AF_RS, AF_E, AF_DB4, AF_DB5, AF_DB6, AF_DB7, 0, 0, 0, 0) ;
- if (lcdHandle < 0) {
- fprintf (stderr, "lcdInit failed\n") ;
- return -1 ;
- }
-
- lcdClear (lcdHandle) ;
-#endif
-
- slcdHandle = slcdInit(0, rows, cols);
- if (slcdHandle < 0) {
- fprintf (stderr, "slcdInit failed\n") ;
- return -1;
- }
- slcdClear(slcdHandle);
- setBacklight(1);
-
- return 0 ;
-}
-
-