peter brier / Mbed 2 deprecated laos_server_v1

Laser cutter software

Dependencies:   EthernetNetIf mbed SDFileSystem

LaosDisplay/LaosDisplay.cpp@0:18ead85c200b, 2011-08-11 (annotated)

Committer:
pbrier
Date:
Thu Aug 11 09:33:15 2011 +0000
Revision:
0:18ead85c200b
Laos server

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pbrier 0:18ead85c200b 1 /**
pbrier 0:18ead85c200b 2 * LaosDisplay.cpp
pbrier 0:18ead85c200b 3 * User interface class, for 2x16 display and keypad
pbrier 0:18ead85c200b 4 *
pbrier 0:18ead85c200b 5 * Copyright (c) 2011 Peter Brier
pbrier 0:18ead85c200b 6 *
pbrier 0:18ead85c200b 7 * This file is part of the LaOS project (see: http://wiki.protospace.nl/index.php/LaOS)
pbrier 0:18ead85c200b 8 *
pbrier 0:18ead85c200b 9 * LaOS is free software: you can redistribute it and/or modify
pbrier 0:18ead85c200b 10 * it under the terms of the GNU General Public License as published by
pbrier 0:18ead85c200b 11 * the Free Software Foundation, either version 3 of the License, or
pbrier 0:18ead85c200b 12 * (at your option) any later version.
pbrier 0:18ead85c200b 13 *
pbrier 0:18ead85c200b 14 * LaOS is distributed in the hope that it will be useful,
pbrier 0:18ead85c200b 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
pbrier 0:18ead85c200b 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
pbrier 0:18ead85c200b 17 * GNU General Public License for more details.
pbrier 0:18ead85c200b 18 *
pbrier 0:18ead85c200b 19 * You should have received a copy of the GNU General Public License
pbrier 0:18ead85c200b 20 * along with LaOS. If not, see <http://www.gnu.org/licenses/>.
pbrier 0:18ead85c200b 21 *
pbrier 0:18ead85c200b 22 * Assume (USB) serial connected display (or terminal) in future, this could be CAN or I2C connected
pbrier 0:18ead85c200b 23 *
pbrier 0:18ead85c200b 24 */
pbrier 0:18ead85c200b 25 #include "LaosDisplay.h"
pbrier 0:18ead85c200b 26
pbrier 0:18ead85c200b 27
pbrier 0:18ead85c200b 28 // I2C
pbrier 0:18ead85c200b 29 I2C i2c(p9, p10); // sda, scl
pbrier 0:18ead85c200b 30 #define _I2C_ADDRESS 0x04
pbrier 0:18ead85c200b 31 #define _I2C_HOME 0xFE
pbrier 0:18ead85c200b 32 #define _I2C_CLS 0xFF
pbrier 0:18ead85c200b 33 #define _I2C_BAUD 10000
pbrier 0:18ead85c200b 34
pbrier 0:18ead85c200b 35
pbrier 0:18ead85c200b 36 // Make new config file object
pbrier 0:18ead85c200b 37 LaosDisplay::LaosDisplay()
pbrier 0:18ead85c200b 38 {
pbrier 0:18ead85c200b 39 serial = new Serial(USBTX, USBRX);
pbrier 0:18ead85c200b 40 serial->baud(115200);
pbrier 0:18ead85c200b 41 }
pbrier 0:18ead85c200b 42
pbrier 0:18ead85c200b 43
pbrier 0:18ead85c200b 44 //Write char
pbrier 0:18ead85c200b 45 void LaosDisplay::write(char c)
pbrier 0:18ead85c200b 46 {
pbrier 0:18ead85c200b 47 serial->putc(c);
pbrier 0:18ead85c200b 48 }
pbrier 0:18ead85c200b 49
pbrier 0:18ead85c200b 50 // Write string
pbrier 0:18ead85c200b 51 void LaosDisplay::write(char *s)
pbrier 0:18ead85c200b 52 {
pbrier 0:18ead85c200b 53 if ( s == NULL ) return;
pbrier 0:18ead85c200b 54 i2c.write(_I2C_ADDRESS, s, strlen(s));
pbrier 0:18ead85c200b 55 while (*s)
pbrier 0:18ead85c200b 56 serial->putc(*s++);
pbrier 0:18ead85c200b 57 }
pbrier 0:18ead85c200b 58
pbrier 0:18ead85c200b 59 // Clear screen
pbrier 0:18ead85c200b 60 void LaosDisplay::cls()
pbrier 0:18ead85c200b 61 {
pbrier 0:18ead85c200b 62 write('\t');
pbrier 0:18ead85c200b 63 }
pbrier 0:18ead85c200b 64
pbrier 0:18ead85c200b 65
pbrier 0:18ead85c200b 66 // Read Key
pbrier 0:18ead85c200b 67 int LaosDisplay::read()
pbrier 0:18ead85c200b 68 {
pbrier 0:18ead85c200b 69 char key;
pbrier 0:18ead85c200b 70 int result;
pbrier 0:18ead85c200b 71 result = i2c.read(_I2C_ADDRESS,&key, 1);
pbrier 0:18ead85c200b 72 if ( result ) return key;
pbrier 0:18ead85c200b 73 if ( serial->readable() )
pbrier 0:18ead85c200b 74 return serial->getc();
pbrier 0:18ead85c200b 75 else
pbrier 0:18ead85c200b 76 return 0;
pbrier 0:18ead85c200b 77 }
pbrier 0:18ead85c200b 78
pbrier 0:18ead85c200b 79
pbrier 0:18ead85c200b 80
pbrier 0:18ead85c200b 81 /**
pbrier 0:18ead85c200b 82 *** Screens are defined with:
pbrier 0:18ead85c200b 83 *** name, line[2], int* i[4], char *s;
pbrier 0:18ead85c200b 84 ***
pbrier 0:18ead85c200b 85 *** in the lines, the following replacements are made:
pbrier 0:18ead85c200b 86 *** $$$$$$ : "$" chars are replaced with the string argument for this screen (left alligned), if argument is NULL, spaces are inserted
pbrier 0:18ead85c200b 87 *** +9876543210: "+" and numbers are replaced with decimal digits from the integer arguments (the "+" sign is replaced with '-' if the argument is negative
pbrier 0:18ead85c200b 88 ***
pbrier 0:18ead85c200b 89 ***
pbrier 0:18ead85c200b 90 **/
pbrier 0:18ead85c200b 91 inline char digit(int i, int n)
pbrier 0:18ead85c200b 92 {
pbrier 0:18ead85c200b 93 int d=1;
pbrier 0:18ead85c200b 94 char c;
pbrier 0:18ead85c200b 95 if ( i<0 ) i *= -1;
pbrier 0:18ead85c200b 96 while(n--) d *= 10;
pbrier 0:18ead85c200b 97 c = '0' + ((i/d) % 10);
pbrier 0:18ead85c200b 98 return c;
pbrier 0:18ead85c200b 99 }
pbrier 0:18ead85c200b 100 void LaosDisplay::ShowScreen(const char *l, int *arg, char *s)
pbrier 0:18ead85c200b 101 {
pbrier 0:18ead85c200b 102 char c, next=0,surpress=1;
pbrier 0:18ead85c200b 103 cls();
pbrier 0:18ead85c200b 104 while ( (c=*l) )
pbrier 0:18ead85c200b 105 {
pbrier 0:18ead85c200b 106 switch ( c )
pbrier 0:18ead85c200b 107 {
pbrier 0:18ead85c200b 108 case '$':
pbrier 0:18ead85c200b 109 if (s != NULL && *s)
pbrier 0:18ead85c200b 110 c = *s++;
pbrier 0:18ead85c200b 111 else
pbrier 0:18ead85c200b 112 c = ' ';
pbrier 0:18ead85c200b 113 break;
pbrier 0:18ead85c200b 114
pbrier 0:18ead85c200b 115 case '+':
pbrier 0:18ead85c200b 116 if (arg != NULL && *arg < 0)
pbrier 0:18ead85c200b 117 c = '-';
pbrier 0:18ead85c200b 118 else
pbrier 0:18ead85c200b 119 c = '+';
pbrier 0:18ead85c200b 120 break;
pbrier 0:18ead85c200b 121
pbrier 0:18ead85c200b 122 case '0': next=1; surpress=0;
pbrier 0:18ead85c200b 123 case '1': case '2': case '3': case '4':
pbrier 0:18ead85c200b 124 case '5': case '6': case '7': case '8': case '9':
pbrier 0:18ead85c200b 125 char d = ' ';
pbrier 0:18ead85c200b 126 if (arg != NULL )
pbrier 0:18ead85c200b 127 {
pbrier 0:18ead85c200b 128 d = digit(*arg, *l-'0');
pbrier 0:18ead85c200b 129 if ( d == '0' && surpress ) // supress leading zeros
pbrier 0:18ead85c200b 130 d = ' ';
pbrier 0:18ead85c200b 131 else
pbrier 0:18ead85c200b 132 surpress = 0;
pbrier 0:18ead85c200b 133 if ( next && arg != NULL ) // take next numeric argument
pbrier 0:18ead85c200b 134 {
pbrier 0:18ead85c200b 135 arg++;
pbrier 0:18ead85c200b 136 next=0;
pbrier 0:18ead85c200b 137 surpress=1;
pbrier 0:18ead85c200b 138 }
pbrier 0:18ead85c200b 139 }
pbrier 0:18ead85c200b 140 c = d;
pbrier 0:18ead85c200b 141 break;
pbrier 0:18ead85c200b 142 }
pbrier 0:18ead85c200b 143 write(c);
pbrier 0:18ead85c200b 144 l++;
pbrier 0:18ead85c200b 145 }
pbrier 0:18ead85c200b 146 }
pbrier 0:18ead85c200b 147
pbrier 0:18ead85c200b 148
pbrier 0:18ead85c200b 149 // EOF