diff options
| -rw-r--r-- | MilfordInstruments.c | 98 |
1 files changed, 71 insertions, 27 deletions
diff --git a/MilfordInstruments.c b/MilfordInstruments.c index ae2b7f1..2818e26 100644 --- a/MilfordInstruments.c +++ b/MilfordInstruments.c @@ -1,18 +1,18 @@ -/* $Id: MilfordInstruments.c,v 1.2 2003/10/05 17:58:50 reinelt Exp $ +/* $Id: MilfordInstruments.c,v 1.3 2003/10/08 13:39:53 andy-b Exp $ * - * driver for Milford Instruments serial display modules - * based on the MatrixOrbital driver by M. Reinelt + * driver for Milford Instruments 'BPK' piggy-back serial interface board + * for standard Hitachi 44780 compatible lcd modules. * - * Copyright 2003 Andy Baxter <andy@earthsong.free-online.co.uk> + * Written 2003 by Andy Baxter <andy@earthsong.free-online.co.uk> * - * This file is part of LCD4Linux. + * based on the MatrixOrbital driver by M. Reinelt * - * LCD4Linux is free software; you can redistribute it and/or modify + * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * - * LCD4Linux is distributed in the hope that it will be useful, + * This program 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 General Public License for more details. @@ -23,8 +23,8 @@ * * * $Log: MilfordInstruments.c,v $ - * Revision 1.2 2003/10/05 17:58:50 reinelt - * libtool junk; copyright messages cleaned up + * Revision 1.3 2003/10/08 13:39:53 andy-b + * Cleaned up code in MilfordInstruments.c, and added descriptions for other display sizes (untested) * * Revision 1.1 2003/09/29 06:58:36 reinelt * new driver for Milford Instruments MI420 by Andy Baxter @@ -118,10 +118,10 @@ static void MI_write (char *string, int len) static void MI_define_char (int ascii, char *buffer) { - char cmd[3]="\376x"; + char cmd[2]="\376x"; if (ascii<8) { - cmd[2]=(char)(64+ascii*8); - MI_write (cmd, 3); + cmd[1]=(char)(64+ascii*8); + MI_write (cmd, 2); MI_write (buffer, 8); } } @@ -210,21 +210,13 @@ static int MI_init (LCD *Self) void MI_goto (int row, int col) { char cmd[2]="\376x"; - char ddbase=0; - switch (row) { - case 0: - ddbase=128; - break; - case 1: - ddbase=192; - break; - case 2: - ddbase=148; - break; - case 3: - ddbase=212; - break; - } + char ddbase=128; + if (row & 1) { // i.e. if row is 1 or 3 + ddbase += 64; + }; + if (row & 2) { // i.e. if row is 0 or 2. + ddbase += 20; + }; cmd[1]=(char)(ddbase+col); MI_write(cmd,2); } @@ -315,6 +307,57 @@ int MI_quit (void) LCD MilfordInstruments[] = { + { name: "MI216", + rows: 2, + cols: 16, + xres: XRES, + yres: YRES, + bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2, + icons: 0, + gpos: 0, + init: MI_init, + clear: MI_clear, + put: MI_put, + bar: MI_bar, + icon: MI_icon, + gpo: NULL, + flush: MI_flush, + quit: MI_quit + }, + { name: "MI220", + rows: 2, + cols: 20, + xres: XRES, + yres: YRES, + bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2, + icons: 0, + gpos: 0, + init: MI_init, + clear: MI_clear, + put: MI_put, + bar: MI_bar, + icon: MI_icon, + gpo: NULL, + flush: MI_flush, + quit: MI_quit + }, + { name: "MI240", + rows: 2, + cols: 40, + xres: XRES, + yres: YRES, + bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2, + icons: 0, + gpos: 0, + init: MI_init, + clear: MI_clear, + put: MI_put, + bar: MI_bar, + icon: MI_icon, + gpo: NULL, + flush: MI_flush, + quit: MI_quit + }, { name: "MI420", rows: 4, cols: 20, @@ -332,5 +375,6 @@ LCD MilfordInstruments[] = { flush: MI_flush, quit: MI_quit }, + { NULL } }; |