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| paulg |
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/* mbed TextStar serial LCD Library
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* Copyright (c) 2009-2010 Paul Griffith
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* Released under the MIT License: http://mbed.org/license/mit
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*
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* Last edit: 10 Jan 2010
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*
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* TextStar CW-LCD-02 16x2 serial LCD module
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* Cat's Whisker Technologies, http://www.cats-whisker.com
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*/
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#include "TextStar.h"
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#include "mbed.h"
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TextStar::TextStar(PinName tx, PinName rx) : Serial(tx, rx) {
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reset();
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}
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void TextStar::cls() {
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//clear screen = 254,'S'
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//does not affect auto-blank and auto-scroll
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this->putc('\014');
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}
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void TextStar::locate(int column, int row) {
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//position cursor = 254,'P',line (0-15), col (0-15)
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this->printf("\376P%c%c", row + 1, column + 1);
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}
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void TextStar::foreground(int colour) {
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//colours not supported
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}
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void TextStar::background(int colour) {
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//colours not supported
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}
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void TextStar::reset(int autoblank, int autoscroll) {
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//reset screen = 254,'R'
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this->printf("\376R");
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//set up auto-blank and auto-scroll as per arguments
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_autoblank = (autoblank == 0) ? 0 : 1;
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_autoscroll = (autoscroll == 0) ? 0 : 1;
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this->printf("\376G%c", 1 + (_autoblank * 64) + (_autoscroll * 64) );
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// this->printf("AB = %d AS = %d", _autoblank, _autoscroll);
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// wait(2.0);
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// cls();
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}
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void TextStar::left(void) {
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//move cursor left = 8
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this->putc('\010');
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}
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void TextStar::right(void) {
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//move cursor right = 9
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this->putc('\011');
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}
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void TextStar::down(void) {
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//move cursor down one line = 10
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this->putc('\012');
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}
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void TextStar::up(void) {
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//move cursor up one line = 11
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this->putc('\013');
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}
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void TextStar::home(void) {
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//cursor home = 254,'H'
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this->printf("\376H");
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}
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void TextStar::crlf(void) {
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//carriage return = 13
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this->putc('\015');
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}
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void TextStar::del(void) {
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//delete character = 127
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this->putc('\177');
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}
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void TextStar::set_cursor(int style) {
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//styles: 0 = none, 1 = solid block, 2 = flash block, 3 = solid uline, 4 = flash uline
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if (style < 0 || style > 4)
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return;
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this->printf("\376C%c", style);
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}
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void TextStar::window(int line) {
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//move visible window to line (0-14)
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if (line < 0 || line > 14)
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return;
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this->printf("\376G%c", line + 1 + (_autoblank * 64) + (_autoscroll * 128) );
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}
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void TextStar::scroll_up(void) {
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//move visble window up one line
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this->printf("\376O%c", 1);
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}
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void TextStar::scroll_down(void) {
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//move visible window down one line
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this->printf("\376O%c", 0);
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}
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void TextStar::bar_graph(int capped, int length, int percentage) {
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if (length < 1 || length > 16) {
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this->printf("Bad len %d", length);
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wait(2.0);
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return;
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}
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if (percentage < 0 || percentage > 100) {
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this->printf("Bad val %d", percentage);
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wait(2.0);
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return;
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}
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this->printf("\376%c%c%c", (capped == 0)? 'B' : 'b', length, percentage);
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}
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void TextStar::custom_char(int num, char *bitmap) {
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//define custom character = 254,'D',bm1,bm2,bm3,bm4,bm5,bm6,bm7,bm8
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if (num < 128 || num > 135) {
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this->printf("Bad CC num %d", num);
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wait(2.0);
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return;
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}
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this->printf("\376D%c%c%c%c%c%c%c%c%c", num, bitmap[0], bitmap[1], bitmap[2], bitmap[3],
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bitmap[4], bitmap[5], bitmap[6], bitmap[7]);
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}
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void TextStar::version(void) {
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135
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//display firmware version and custom characters = 254,'V'
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this->printf("\376V");
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}
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138
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void TextStar::send_version(void) {
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//send firmware version = 254,'v'
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this->printf("\376v");
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}
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void TextStar::send_keys(void) {
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//send key states = 254,'K'
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this->printf("\376K");
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} |
Paul Griffith