PCD8544LCD -

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PCD8544LCD.cpp@1:ce391193b822, 2011-05-19 (annotated)

Committer:: Wimpie
Date:: Thu May 19 18:06:13 2011 +0000
Revision:: 1:ce391193b822
Parent:: 0:6468a28a7b7d

Who changed what in which revision?

User	Revision	Line number	New contents of line
Wimpie	0:6468a28a7b7d	1	/* mbed PCD8544 - Graphic Library for driving monochrome displays based on
Wimpie	0:6468a28a7b7d	2	* the PCD8544 48 x 84 pixels matrix LCD controller/driver
Wimpie	0:6468a28a7b7d	3	* used in Nokia 3310, 3315, 3330, 3350, 3410, 3210, 5110, 5120, 5130, 5160, 6110, 6150
Wimpie	0:6468a28a7b7d	4	*
Wimpie	0:6468a28a7b7d	5	* Copyright (c) 2011, Wim De Roeve
Wimpie	0:6468a28a7b7d	6	* partial port of the code found on http://serdisplib.sourceforge.net/ser/pcd8544.html#links
Wimpie	0:6468a28a7b7d	7	* and by Petras Saduikis <petras@petras.co.uk>
Wimpie	0:6468a28a7b7d	8	*
Wimpie	0:6468a28a7b7d	9	* Permission is hereby granted, free of charge, to any person obtaining a copy
Wimpie	0:6468a28a7b7d	10	* of this software and associated documentation files (the "Software"), to deal
Wimpie	0:6468a28a7b7d	11	* in the Software without restriction, including without limitation the rights
Wimpie	0:6468a28a7b7d	12	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Wimpie	0:6468a28a7b7d	13	* copies of the updaSoftware, and to permit persons to whom the Software is
Wimpie	0:6468a28a7b7d	14	* furnished to do so, subject to the following conditions:
Wimpie	0:6468a28a7b7d	15	*
Wimpie	0:6468a28a7b7d	16	* The above copyright notice and this permission notice shall be included in
Wimpie	0:6468a28a7b7d	17	* all copies or substantial portions of the Software.
Wimpie	0:6468a28a7b7d	18	*
Wimpie	0:6468a28a7b7d	19	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Wimpie	0:6468a28a7b7d	20	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Wimpie	0:6468a28a7b7d	21	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Wimpie	0:6468a28a7b7d	22	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Wimpie	0:6468a28a7b7d	23	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Wimpie	0:6468a28a7b7d	24	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Wimpie	0:6468a28a7b7d	25	* THE SOFTWARE.
Wimpie	0:6468a28a7b7d	26	*/
Wimpie	0:6468a28a7b7d	27
Wimpie	0:6468a28a7b7d	28	#include "PCD8544LCD.h"
Wimpie	0:6468a28a7b7d	29
Wimpie	0:6468a28a7b7d	30	#include "fonts/font_3x5.h"
Wimpie	0:6468a28a7b7d	31	#include "fonts/font_5x7.h"
Wimpie	0:6468a28a7b7d	32	#include "fonts/font_6x8.h"
Wimpie	0:6468a28a7b7d	33	#include "fonts/font_8x8.h"
Wimpie	0:6468a28a7b7d	34	#include "fonts/font_8x12.h"
Wimpie	0:6468a28a7b7d	35	#include "fonts/font_16x20.h"
Wimpie	0:6468a28a7b7d	36	#include "fonts/font_16x24.h"
Wimpie	0:6468a28a7b7d	37
Wimpie	0:6468a28a7b7d	38	#include "DebugTrace.h"
Wimpie	0:6468a28a7b7d	39	#include "sstream"
Wimpie	1:ce391193b822	40	#include "stdio.h"
Wimpie	1:ce391193b822	41	#include "stringman.h"
Wimpie	0:6468a28a7b7d	42
Wimpie	0:6468a28a7b7d	43	DebugTrace pc_PCD8544(ON, TO_SERIAL);
Wimpie	0:6468a28a7b7d	44
Wimpie	0:6468a28a7b7d	45	/*
Wimpie	0:6468a28a7b7d	46	PCD8544 from Philips Semiconductors is
Wimpie	0:6468a28a7b7d	47	48 x 84 pixels monochrome matrix LCD controller/driver
Wimpie	0:6468a28a7b7d	48
Wimpie	0:6468a28a7b7d	49	generic for LPH7366, LPH7677, and LPH7779; no backlight
Wimpie	0:6468a28a7b7d	50
Wimpie	0:6468a28a7b7d	51	model name (of display) type used in cellphones
Wimpie	0:6468a28a7b7d	52	LPH 7366 2 Nokia 5110, 5120, 5130, 5160, 6110, 6150
Wimpie	0:6468a28a7b7d	53	LPH 7677 1 Nokia 3210
Wimpie	0:6468a28a7b7d	54	LPH 7779 1 Nokia 3310, 3315, 3330, 3350, 3410
Wimpie	0:6468a28a7b7d	55
Wimpie	0:6468a28a7b7d	56
Wimpie	0:6468a28a7b7d	57	+-------------------------+
Wimpie	0:6468a28a7b7d	58	\| 1 2 3 4 5 6 7 8 \|
Wimpie	0:6468a28a7b7d	59	\| # # # # # # # # \|
Wimpie	1:ce391193b822	60	\| ===#=#=#=#=#=#=#=#=== \| Red 1 .. VDD - chip power supply +3.3V
Wimpie	0:6468a28a7b7d	61	+--=====================--+ Green 2 .. SCLK - serial clock line of LCD
Wimpie	0:6468a28a7b7d	62	\| \| Yellow 3 .. SI - serial data input of LCD
Wimpie	0:6468a28a7b7d	63	\| \| Gray 4 .. D/C - command/data switch
Wimpie	0:6468a28a7b7d	64	\| rear view \| Blue 5 .. /CS - active low chip select
Wimpie	0:6468a28a7b7d	65	\| connector is visible \| Black 6 .. GND - for VDD
Wimpie	0:6468a28a7b7d	66	\| \| 7 .. Vout - output of display-internal dc/dc converter
Wimpie	0:6468a28a7b7d	67	\| LPH7779 \| White 8 .. /RES - active low reset
Wimpie	0:6468a28a7b7d	68	\| \|
Wimpie	0:6468a28a7b7d	69	+-------------------------+
Wimpie	0:6468a28a7b7d	70
Wimpie	0:6468a28a7b7d	71	*/
Wimpie	0:6468a28a7b7d	72
Wimpie	1:ce391193b822	73
Wimpie	0:6468a28a7b7d	74	PCD8544LCD::PCD8544LCD (PinName mosi, PinName miso, PinName sck,
Wimpie	0:6468a28a7b7d	75	PinName cs, PinName data_cmd, PinName reset):
Wimpie	0:6468a28a7b7d	76	_spi(mosi, miso, sck),
Wimpie	0:6468a28a7b7d	77	_cs(cs),
Wimpie	0:6468a28a7b7d	78	_dc(data_cmd),
Wimpie	0:6468a28a7b7d	79	_reset(reset) {
Wimpie	0:6468a28a7b7d	80
Wimpie	0:6468a28a7b7d	81	_cs = HIGH;
Wimpie	0:6468a28a7b7d	82	_reset = HIGH;
Wimpie	0:6468a28a7b7d	83
Wimpie	0:6468a28a7b7d	84	init();
Wimpie	0:6468a28a7b7d	85	}
Wimpie	0:6468a28a7b7d	86
Wimpie	0:6468a28a7b7d	87	void PCD8544LCD::init() {
Wimpie	0:6468a28a7b7d	88
Wimpie	1:ce391193b822	89	pc_PCD8544.traceOut("Init PCD8544\r\n");
Wimpie	0:6468a28a7b7d	90	_spi.format(8,0);
Wimpie	0:6468a28a7b7d	91	_spi.frequency(1000000);
Wimpie	0:6468a28a7b7d	92
Wimpie	0:6468a28a7b7d	93	/* reset lcd
Wimpie	0:6468a28a7b7d	94
Wimpie	0:6468a28a7b7d	95	After reset, the LCD driver has the following state:
Wimpie	0:6468a28a7b7d	96	- Power-down mode (bit PD = 1)
Wimpie	0:6468a28a7b7d	97	- Horizontal addressing (bit V = 0)
Wimpie	0:6468a28a7b7d	98	- normal instruction set (bit H = 0)
Wimpie	0:6468a28a7b7d	99	- Display blank (bit E = D = 0)
Wimpie	0:6468a28a7b7d	100	- Address counter X6 to X0 = 0; Y2 to Y0 = 0
Wimpie	0:6468a28a7b7d	101	- Temperature control mode (TC1 TC0 = 0)
Wimpie	0:6468a28a7b7d	102	- Bias system (BS2 to BS0 = 0)
Wimpie	0:6468a28a7b7d	103	- VLCD is equal to 0, the HV generator is switched off
Wimpie	0:6468a28a7b7d	104	(VOP6 to VOP0 = 0)
Wimpie	0:6468a28a7b7d	105	- After power-on, the RAM contents are undefined.
Wimpie	0:6468a28a7b7d	106	*/
Wimpie	0:6468a28a7b7d	107
Wimpie	0:6468a28a7b7d	108	wait_ms(1);
Wimpie	0:6468a28a7b7d	109	_reset = LOW; // reset
Wimpie	0:6468a28a7b7d	110	wait_ms(1);
Wimpie	0:6468a28a7b7d	111	_reset = HIGH;
Wimpie	0:6468a28a7b7d	112
Wimpie	0:6468a28a7b7d	113	writeCmd(EXTENDEDSET); // folowing commands are extended ones
Wimpie	0:6468a28a7b7d	114	writeCmd(0xc8); // Set Voltage 0x80+value: set contrast
Wimpie	0:6468a28a7b7d	115	writeCmd(0x06); // set temp coefficient
Wimpie	0:6468a28a7b7d	116	writeCmd(0x13); // set BIAS mode 1:48
Wimpie	0:6468a28a7b7d	117	writeCmd(STANDARDSET); // STANDARDSET: following commands are standard ones
Wimpie	0:6468a28a7b7d	118
Wimpie	0:6468a28a7b7d	119	writeCmd(NORMAL_MODE);
Wimpie	0:6468a28a7b7d	120
Wimpie	1:ce391193b822	121
Wimpie	1:ce391193b822	122	_LoMark = 0;
Wimpie	1:ce391193b822	123	_HiMark = LCD_CACHE_SIZE - 1;
Wimpie	1:ce391193b822	124	//_LoMark = LCD_CACHE_SIZE; // Reset watermark pointers.
Wimpie	1:ce391193b822	125	// _HiMark = 0;
Wimpie	0:6468a28a7b7d	126
Wimpie	0:6468a28a7b7d	127	cls();
Wimpie	0:6468a28a7b7d	128	}
Wimpie	0:6468a28a7b7d	129
Wimpie	0:6468a28a7b7d	130	void PCD8544LCD::writeCmd(BYTE data) {
Wimpie	0:6468a28a7b7d	131	_cs = LOW;
Wimpie	0:6468a28a7b7d	132	_dc = LOW;
Wimpie	0:6468a28a7b7d	133	_spi.write(data);
Wimpie	0:6468a28a7b7d	134	_cs = HIGH;
Wimpie	0:6468a28a7b7d	135	}
Wimpie	0:6468a28a7b7d	136
Wimpie	0:6468a28a7b7d	137	void PCD8544LCD::writeData(BYTE data) {
Wimpie	0:6468a28a7b7d	138	_cs = LOW;
Wimpie	0:6468a28a7b7d	139	_dc = HIGH;
Wimpie	0:6468a28a7b7d	140	_spi.write(data);
Wimpie	0:6468a28a7b7d	141	_cs = HIGH;
Wimpie	0:6468a28a7b7d	142	}
Wimpie	0:6468a28a7b7d	143
Wimpie	0:6468a28a7b7d	144	void PCD8544LCD::close() {
Wimpie	0:6468a28a7b7d	145	writeCmd(DISPLAYOFF);
Wimpie	0:6468a28a7b7d	146	_cs = HIGH;
Wimpie	0:6468a28a7b7d	147	_reset = HIGH;
Wimpie	0:6468a28a7b7d	148	}
Wimpie	0:6468a28a7b7d	149
Wimpie	0:6468a28a7b7d	150	// GRAPHICAL functions
Wimpie	0:6468a28a7b7d	151
Wimpie	1:ce391193b822	152	void PCD8544LCD::cls(bool fupdate) {
Wimpie	0:6468a28a7b7d	153	for (int i = 0; i < LCD_CACHE_SIZE ; i++) {
Wimpie	1:ce391193b822	154	LcdCache[i]=0x00;
Wimpie	0:6468a28a7b7d	155	}
Wimpie	0:6468a28a7b7d	156	_LoMark = 0;
Wimpie	0:6468a28a7b7d	157	_HiMark = LCD_CACHE_SIZE - 1;
Wimpie	1:ce391193b822	158	if (fupdate)
Wimpie	1:ce391193b822	159	update();
Wimpie	0:6468a28a7b7d	160	}
Wimpie	0:6468a28a7b7d	161
Wimpie	0:6468a28a7b7d	162	void PCD8544LCD::update() {
Wimpie	0:6468a28a7b7d	163
Wimpie	0:6468a28a7b7d	164	if ( _LoMark < 0 )
Wimpie	0:6468a28a7b7d	165	_LoMark = 0;
Wimpie	0:6468a28a7b7d	166	else if ( _LoMark >= LCD_CACHE_SIZE )
Wimpie	0:6468a28a7b7d	167	_LoMark = LCD_CACHE_SIZE - 1;
Wimpie	0:6468a28a7b7d	168	if ( _HiMark < 0 )
Wimpie	0:6468a28a7b7d	169	_HiMark = 0;
Wimpie	0:6468a28a7b7d	170	else if ( _HiMark >= LCD_CACHE_SIZE )
Wimpie	0:6468a28a7b7d	171	_HiMark = LCD_CACHE_SIZE - 1;
Wimpie	0:6468a28a7b7d	172
Wimpie	0:6468a28a7b7d	173	writeCmd(SET_ADDRES_X \| (_LoMark % LCD_X_RES));
Wimpie	0:6468a28a7b7d	174	writeCmd(SET_ADDRES_Y \| (_LoMark / LCD_X_RES));
Wimpie	0:6468a28a7b7d	175
Wimpie	0:6468a28a7b7d	176	for (int i = _LoMark; i <= _HiMark; i++ ) {
Wimpie	1:ce391193b822	177	writeData( LcdCache[i]);
Wimpie	0:6468a28a7b7d	178	}
Wimpie	0:6468a28a7b7d	179	_LoMark = LCD_CACHE_SIZE - 1;
Wimpie	0:6468a28a7b7d	180	_HiMark = 0;
Wimpie	0:6468a28a7b7d	181	}
Wimpie	0:6468a28a7b7d	182
Wimpie	0:6468a28a7b7d	183
Wimpie	0:6468a28a7b7d	184
Wimpie	0:6468a28a7b7d	185	void PCD8544LCD::locate(BYTE x0, BYTE y0) {
Wimpie	1:ce391193b822	186	LcdCacheIdx = x0LCD_BANKS + y0 LCD_X_RES;
Wimpie	0:6468a28a7b7d	187	}
Wimpie	0:6468a28a7b7d	188
Wimpie	0:6468a28a7b7d	189	// Bitmap
Wimpie	0:6468a28a7b7d	190
Wimpie	1:ce391193b822	191	void PCD8544LCD::drawBitmap(BYTE x0, BYTE y0, const unsigned char* bitmap, BYTE bmpXSize, BYTE bmpYSize,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	192	BYTE row;
Wimpie	0:6468a28a7b7d	193
Wimpie	0:6468a28a7b7d	194	if (0 == bmpYSize % 8)
Wimpie	0:6468a28a7b7d	195	row = bmpYSize/8;
Wimpie	0:6468a28a7b7d	196	else
Wimpie	0:6468a28a7b7d	197	row = bmpYSize/8 + 1;
Wimpie	0:6468a28a7b7d	198
Wimpie	0:6468a28a7b7d	199	_LoMark= 0;
Wimpie	0:6468a28a7b7d	200	_HiMark= LCD_CACHE_SIZE - 1;
Wimpie	0:6468a28a7b7d	201
Wimpie	0:6468a28a7b7d	202	for (BYTE n = 0; n < row; n++) {
Wimpie	0:6468a28a7b7d	203	locate(x0, y0);
Wimpie	0:6468a28a7b7d	204
Wimpie	0:6468a28a7b7d	205	for (BYTE i = 0; i < bmpXSize; i++) {
Wimpie	1:ce391193b822	206	LcdCache[LcdCacheIdx+ i]=bitmap[i + (n * bmpXSize)];
Wimpie	0:6468a28a7b7d	207	}
Wimpie	0:6468a28a7b7d	208	y0++;
Wimpie	0:6468a28a7b7d	209	}
Wimpie	0:6468a28a7b7d	210	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	211	update();
Wimpie	0:6468a28a7b7d	212	}
Wimpie	0:6468a28a7b7d	213
Wimpie	1:ce391193b822	214	void PCD8544LCD::writeString(BYTE x0, BYTE y0, char* string, eFonts font,eDisplayMode dmode,eSpaceMode smode, BYTE fupdate) {
Wimpie	0:6468a28a7b7d	215	locate(x0, y0);
Wimpie	0:6468a28a7b7d	216	chooseFont(font);
Wimpie	0:6468a28a7b7d	217
Wimpie	0:6468a28a7b7d	218	while (*string) {
Wimpie	1:ce391193b822	219	writeChar(x0,y0,*string++,font, dmode, FALSE);
Wimpie	0:6468a28a7b7d	220	x0+=_font_width; // width +1;
Wimpie	1:ce391193b822	221	if (smode==SPACE_NORMAL)
Wimpie	1:ce391193b822	222	x0++;
Wimpie	0:6468a28a7b7d	223	}
Wimpie	0:6468a28a7b7d	224	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	225	update();
Wimpie	0:6468a28a7b7d	226	}
Wimpie	0:6468a28a7b7d	227
Wimpie	0:6468a28a7b7d	228	void PCD8544LCD::chooseFont(eFonts font) {
Wimpie	0:6468a28a7b7d	229
Wimpie	0:6468a28a7b7d	230	switch (font) {
Wimpie	0:6468a28a7b7d	231
Wimpie	0:6468a28a7b7d	232	case VERYSMALLFONT: {
Wimpie	0:6468a28a7b7d	233	_font_width = FONT3x5_WIDTH;
Wimpie	0:6468a28a7b7d	234	_font_height = FONT3x5_HEIGHT;
Wimpie	0:6468a28a7b7d	235	_font_start = FONT3x5_START;
Wimpie	0:6468a28a7b7d	236	_font_end = FONT3x5_END;
Wimpie	0:6468a28a7b7d	237
Wimpie	0:6468a28a7b7d	238	_pFont = (unsigned char*) font_3x5;
Wimpie	0:6468a28a7b7d	239
Wimpie	0:6468a28a7b7d	240	break;
Wimpie	0:6468a28a7b7d	241	}
Wimpie	0:6468a28a7b7d	242	case TINYFONT: {
Wimpie	0:6468a28a7b7d	243	_font_width = FONT5x7_WIDTH;
Wimpie	0:6468a28a7b7d	244	_font_height = FONT5x7_HEIGHT;
Wimpie	0:6468a28a7b7d	245	_font_start = FONT5x7_START;
Wimpie	0:6468a28a7b7d	246	_font_end = FONT5x7_END;
Wimpie	0:6468a28a7b7d	247
Wimpie	0:6468a28a7b7d	248	_pFont = (unsigned char*) font_5x7;
Wimpie	0:6468a28a7b7d	249
Wimpie	0:6468a28a7b7d	250	break;
Wimpie	0:6468a28a7b7d	251	}
Wimpie	0:6468a28a7b7d	252
Wimpie	0:6468a28a7b7d	253	case SMALLFONT: {
Wimpie	0:6468a28a7b7d	254	_font_width = FONT6x8_WIDTH;
Wimpie	0:6468a28a7b7d	255	_font_height = FONT6x8_HEIGHT;
Wimpie	0:6468a28a7b7d	256	_font_start = FONT6x8_START;
Wimpie	0:6468a28a7b7d	257	_font_end = FONT6x8_END;
Wimpie	0:6468a28a7b7d	258
Wimpie	0:6468a28a7b7d	259	_pFont = (unsigned char*) font_6x8;
Wimpie	0:6468a28a7b7d	260
Wimpie	0:6468a28a7b7d	261	break;
Wimpie	0:6468a28a7b7d	262	}
Wimpie	0:6468a28a7b7d	263	case NORMALFONT: {
Wimpie	0:6468a28a7b7d	264	_font_width = FONT8x8_WIDTH;
Wimpie	0:6468a28a7b7d	265	_font_height = FONT8x8_HEIGHT;
Wimpie	0:6468a28a7b7d	266	_font_start = FONT8x8_START;
Wimpie	0:6468a28a7b7d	267	_font_end = FONT8x8_END;
Wimpie	0:6468a28a7b7d	268
Wimpie	0:6468a28a7b7d	269	_pFont = (unsigned char*) font_8x8;
Wimpie	0:6468a28a7b7d	270
Wimpie	0:6468a28a7b7d	271	break;
Wimpie	0:6468a28a7b7d	272	}
Wimpie	0:6468a28a7b7d	273	case BIGFONT: {
Wimpie	0:6468a28a7b7d	274	_font_width = FONT8x12_WIDTH;
Wimpie	0:6468a28a7b7d	275	_font_height = FONT8x12_HEIGHT;
Wimpie	0:6468a28a7b7d	276	_font_start = FONT8x12_START;
Wimpie	0:6468a28a7b7d	277	_font_end = FONT8x12_END;
Wimpie	0:6468a28a7b7d	278
Wimpie	0:6468a28a7b7d	279	_pFont = (unsigned char*) font_8x12;
Wimpie	0:6468a28a7b7d	280
Wimpie	0:6468a28a7b7d	281	break;
Wimpie	0:6468a28a7b7d	282	}
Wimpie	0:6468a28a7b7d	283
Wimpie	0:6468a28a7b7d	284	case TIMENUMBERFONT: {
Wimpie	0:6468a28a7b7d	285	_font_width = FONT16x20_WIDTH;
Wimpie	0:6468a28a7b7d	286	_font_height = FONT16x20_HEIGHT;
Wimpie	0:6468a28a7b7d	287	_font_start = FONT16x20_START;
Wimpie	0:6468a28a7b7d	288	_font_end = FONT16x20_END;
Wimpie	0:6468a28a7b7d	289
Wimpie	0:6468a28a7b7d	290	_pFont = (unsigned char*) font_16x20;
Wimpie	0:6468a28a7b7d	291
Wimpie	0:6468a28a7b7d	292	break;
Wimpie	0:6468a28a7b7d	293	}
Wimpie	0:6468a28a7b7d	294
Wimpie	0:6468a28a7b7d	295	case BIGNUMBERFONT: {
Wimpie	0:6468a28a7b7d	296	_font_width = FONT16x24_WIDTH;
Wimpie	0:6468a28a7b7d	297	_font_height = FONT16x24_HEIGHT;
Wimpie	0:6468a28a7b7d	298	_font_start = FONT16x24_START;
Wimpie	0:6468a28a7b7d	299	_font_end = FONT16x24_END;
Wimpie	0:6468a28a7b7d	300
Wimpie	0:6468a28a7b7d	301	_pFont = (unsigned char*) font_16x24;
Wimpie	0:6468a28a7b7d	302
Wimpie	0:6468a28a7b7d	303	break;
Wimpie	0:6468a28a7b7d	304	}
Wimpie	0:6468a28a7b7d	305	}
Wimpie	0:6468a28a7b7d	306	}
Wimpie	0:6468a28a7b7d	307
Wimpie	0:6468a28a7b7d	308	void PCD8544LCD::writeChar(BYTE x0, BYTE y0, BYTE ch, eFonts font, eDisplayMode mode,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	309	BYTE sendByte;
Wimpie	0:6468a28a7b7d	310
Wimpie	0:6468a28a7b7d	311	chooseFont(font);
Wimpie	0:6468a28a7b7d	312
Wimpie	0:6468a28a7b7d	313	if ((ch <= _font_start) \|\| (ch > _font_end))
Wimpie	0:6468a28a7b7d	314	ch=_font_start;
Wimpie	0:6468a28a7b7d	315
Wimpie	0:6468a28a7b7d	316	ch -= _font_start;
Wimpie	0:6468a28a7b7d	317
Wimpie	0:6468a28a7b7d	318	for (int i = 0; i < _font_width; i++ ) {
Wimpie	0:6468a28a7b7d	319
Wimpie	0:6468a28a7b7d	320	sendByte = (_pFont + ch_font_width +i);
Wimpie	0:6468a28a7b7d	321	sendByte = ((mode == NORMAL)? sendByte:(sendByte ^ 0xff));
Wimpie	0:6468a28a7b7d	322
Wimpie	0:6468a28a7b7d	323	for (int j=0 ; j<_font_height; j++) {
Wimpie	0:6468a28a7b7d	324	if ((sendByte & 0x01) == 0x01) {
Wimpie	0:6468a28a7b7d	325	drawpixel(x0,y0+j,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	326	} else {
Wimpie	0:6468a28a7b7d	327	drawpixel(x0,y0+j,PIXEL_OFF,FALSE);
Wimpie	0:6468a28a7b7d	328	}
Wimpie	0:6468a28a7b7d	329	sendByte=sendByte>>1;
Wimpie	0:6468a28a7b7d	330	}
Wimpie	0:6468a28a7b7d	331	x0++;
Wimpie	0:6468a28a7b7d	332	}
Wimpie	0:6468a28a7b7d	333	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	334	update();
Wimpie	0:6468a28a7b7d	335	}
Wimpie	0:6468a28a7b7d	336
Wimpie	0:6468a28a7b7d	337
Wimpie	0:6468a28a7b7d	338	void PCD8544LCD::drawpixel(BYTE x0, BYTE y0, ePixelMode mode,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	339	uint16_t index;
Wimpie	0:6468a28a7b7d	340	BYTE offset;
Wimpie	0:6468a28a7b7d	341	BYTE data;
Wimpie	0:6468a28a7b7d	342
Wimpie	0:6468a28a7b7d	343	if ( x0 > LCD_X_RES-1 ) return;
Wimpie	0:6468a28a7b7d	344	if ( y0 > LCD_Y_RES-1 ) return;
Wimpie	0:6468a28a7b7d	345
Wimpie	0:6468a28a7b7d	346	index = ((y0 / 8) * LCD_X_RES) + x0;
Wimpie	0:6468a28a7b7d	347	offset = y0 - ((y0 / 8) * 8);
Wimpie	0:6468a28a7b7d	348
Wimpie	1:ce391193b822	349	data = LcdCache[index];
Wimpie	0:6468a28a7b7d	350
Wimpie	0:6468a28a7b7d	351	if ( mode == PIXEL_OFF ) {
Wimpie	0:6468a28a7b7d	352	data &= (~(0x01 << offset));
Wimpie	0:6468a28a7b7d	353	} else if ( mode == PIXEL_ON ) {
Wimpie	0:6468a28a7b7d	354	data \|= (0x01 << offset);
Wimpie	0:6468a28a7b7d	355	} else if ( mode == PIXEL_XOR ) {
Wimpie	0:6468a28a7b7d	356	data ^= (0x01 << offset);
Wimpie	0:6468a28a7b7d	357	}
Wimpie	1:ce391193b822	358	LcdCache[index] = data;
Wimpie	0:6468a28a7b7d	359
Wimpie	0:6468a28a7b7d	360	if ( index < _LoMark ) {
Wimpie	0:6468a28a7b7d	361	_LoMark = index;
Wimpie	0:6468a28a7b7d	362	}
Wimpie	0:6468a28a7b7d	363	if ( index > _HiMark ) {
Wimpie	0:6468a28a7b7d	364	_HiMark = index;
Wimpie	0:6468a28a7b7d	365	}
Wimpie	0:6468a28a7b7d	366	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	367	update();
Wimpie	0:6468a28a7b7d	368	}
Wimpie	0:6468a28a7b7d	369
Wimpie	0:6468a28a7b7d	370	void PCD8544LCD::drawline(BYTE x0, BYTE y0, BYTE x1, BYTE y1, ePixelMode mode,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	371	int dx, dy, stepx, stepy, fraction;
Wimpie	0:6468a28a7b7d	372
Wimpie	0:6468a28a7b7d	373	dy = y1 - y0;
Wimpie	0:6468a28a7b7d	374	dx = x1 - x0;
Wimpie	0:6468a28a7b7d	375	if ( dy < 0 ) {
Wimpie	0:6468a28a7b7d	376	dy = -dy;
Wimpie	0:6468a28a7b7d	377	stepy = -1;
Wimpie	0:6468a28a7b7d	378	} else {
Wimpie	0:6468a28a7b7d	379	stepy = 1;
Wimpie	0:6468a28a7b7d	380	}
Wimpie	0:6468a28a7b7d	381	if ( dx < 0 ) {
Wimpie	0:6468a28a7b7d	382	dx = -dx;
Wimpie	0:6468a28a7b7d	383	stepx = -1;
Wimpie	0:6468a28a7b7d	384	} else {
Wimpie	0:6468a28a7b7d	385	stepx = 1;
Wimpie	0:6468a28a7b7d	386	}
Wimpie	0:6468a28a7b7d	387	dx <<= 1;
Wimpie	0:6468a28a7b7d	388	dy <<= 1;
Wimpie	0:6468a28a7b7d	389
Wimpie	0:6468a28a7b7d	390	drawpixel( x0, y0, mode , FALSE);
Wimpie	0:6468a28a7b7d	391	if ( dx > dy ) {
Wimpie	0:6468a28a7b7d	392	fraction = dy - (dx >> 1);
Wimpie	0:6468a28a7b7d	393	while ( x0 != x1 ) {
Wimpie	0:6468a28a7b7d	394	if ( fraction >= 0 ) {
Wimpie	0:6468a28a7b7d	395	y0 += stepy;
Wimpie	0:6468a28a7b7d	396	fraction -= dx;
Wimpie	0:6468a28a7b7d	397	}
Wimpie	0:6468a28a7b7d	398	x0 += stepx;
Wimpie	0:6468a28a7b7d	399	fraction += dy;
Wimpie	0:6468a28a7b7d	400	drawpixel( x0, y0, mode , FALSE);
Wimpie	0:6468a28a7b7d	401	}
Wimpie	0:6468a28a7b7d	402	} else {
Wimpie	0:6468a28a7b7d	403	fraction = dx - (dy >> 1);
Wimpie	0:6468a28a7b7d	404	while ( y0 != y1 ) {
Wimpie	0:6468a28a7b7d	405	if ( fraction >= 0 ) {
Wimpie	0:6468a28a7b7d	406	x0 += stepx;
Wimpie	0:6468a28a7b7d	407	fraction -= dy;
Wimpie	0:6468a28a7b7d	408	}
Wimpie	0:6468a28a7b7d	409	y0 += stepy;
Wimpie	0:6468a28a7b7d	410	fraction += dx;
Wimpie	0:6468a28a7b7d	411	drawpixel( x0, y0, mode , FALSE);
Wimpie	0:6468a28a7b7d	412	}
Wimpie	0:6468a28a7b7d	413	}
Wimpie	0:6468a28a7b7d	414	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	415	update();
Wimpie	0:6468a28a7b7d	416	}
Wimpie	0:6468a28a7b7d	417
Wimpie	0:6468a28a7b7d	418	void PCD8544LCD::drawrectangle(BYTE x0, BYTE y0, BYTE x1, BYTE y1, eFillMode fill, ePixelMode mode,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	419	if (fill==1) {
Wimpie	0:6468a28a7b7d	420	BYTE i, xmin, xmax, ymin, ymax;
Wimpie	0:6468a28a7b7d	421	if (x0 < x1) { // Find x min and max
Wimpie	0:6468a28a7b7d	422	xmin = x0;
Wimpie	0:6468a28a7b7d	423	xmax = x1;
Wimpie	0:6468a28a7b7d	424	} else {
Wimpie	0:6468a28a7b7d	425	xmin = x1;
Wimpie	0:6468a28a7b7d	426	xmax = x0;
Wimpie	0:6468a28a7b7d	427	}
Wimpie	0:6468a28a7b7d	428	if (y0 < y1) { // Find the y min and max
Wimpie	0:6468a28a7b7d	429	ymin = y0;
Wimpie	0:6468a28a7b7d	430	ymax = y1;
Wimpie	0:6468a28a7b7d	431	} else {
Wimpie	0:6468a28a7b7d	432	ymin = y1;
Wimpie	0:6468a28a7b7d	433	ymax = y0;
Wimpie	0:6468a28a7b7d	434	}
Wimpie	0:6468a28a7b7d	435	for (; xmin <= xmax; ++xmin) {
Wimpie	0:6468a28a7b7d	436	for (i=ymin; i<=ymax; ++i) {
Wimpie	0:6468a28a7b7d	437	drawpixel(xmin, i, mode, FALSE);
Wimpie	0:6468a28a7b7d	438	}
Wimpie	0:6468a28a7b7d	439	}
Wimpie	0:6468a28a7b7d	440	} else {
Wimpie	0:6468a28a7b7d	441	drawline(x0, y0, x1, y0, mode, FALSE); // Draw the 4 sides
Wimpie	0:6468a28a7b7d	442	drawline(x0, y1, x1, y1, mode, FALSE);
Wimpie	0:6468a28a7b7d	443	drawline(x0, y0, x0, y1, mode, FALSE);
Wimpie	0:6468a28a7b7d	444	drawline(x1, y0, x1, y1, mode, FALSE);
Wimpie	0:6468a28a7b7d	445	}
Wimpie	0:6468a28a7b7d	446	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	447	update();
Wimpie	0:6468a28a7b7d	448	}
Wimpie	0:6468a28a7b7d	449
Wimpie	0:6468a28a7b7d	450	void PCD8544LCD::drawprogressbar(BYTE x0, BYTE y0, BYTE w, BYTE h, BYTE percentage,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	451	drawrectangle(x0,y0,x0+w,y0+h,FILL_OFF,PIXEL_ON, FALSE);
Wimpie	0:6468a28a7b7d	452	drawrectangle(x0+2,y0+2,x0+w-2,y0+h-2,FILL_ON,PIXEL_OFF, FALSE);
Wimpie	0:6468a28a7b7d	453	drawrectangle(x0+2,y0+2,x0+2+(percentage*(w-4)/100),y0+h-2,FILL_ON,PIXEL_ON, FALSE);
Wimpie	0:6468a28a7b7d	454	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	455	update();
Wimpie	0:6468a28a7b7d	456	}
Wimpie	0:6468a28a7b7d	457
Wimpie	0:6468a28a7b7d	458	void PCD8544LCD::drawchart(BYTE x0, BYTE y0, BYTE w, BYTE h, BYTE unitx, BYTE unity,
Wimpie	1:ce391193b822	459	eRasterMode rMode, eChartMode cMode,eDrawMode dMode, int16_t * val, int size, int t) {
Wimpie	1:ce391193b822	460	int maxy;
Wimpie	1:ce391193b822	461	int _scale=1;
Wimpie	1:ce391193b822	462	int prescale=1;
Wimpie	0:6468a28a7b7d	463
Wimpie	1:ce391193b822	464	signed char v1,v2;
Wimpie	1:ce391193b822	465	char buffer[4];
Wimpie	0:6468a28a7b7d	466
Wimpie	1:ce391193b822	467	if (size>w)
Wimpie	1:ce391193b822	468	size=w;
Wimpie	0:6468a28a7b7d	469
Wimpie	1:ce391193b822	470	// search maximum value to calculate scale
Wimpie	1:ce391193b822	471	if (dMode==DRAW_OVERWRITE) {
Wimpie	1:ce391193b822	472	maxy=0;
Wimpie	1:ce391193b822	473	for (int i=0; i<size;i++) {
Wimpie	1:ce391193b822	474	if (val[i]>maxy)
Wimpie	1:ce391193b822	475	maxy=val[i];
Wimpie	0:6468a28a7b7d	476
Wimpie	1:ce391193b822	477	}
Wimpie	0:6468a28a7b7d	478
Wimpie	1:ce391193b822	479	if (maxy>h) { //scale can be 1,2,5 *10i
Wimpie	1:ce391193b822	480	prescale= ((maxy-1)/((h/unity)*unity));
Wimpie	1:ce391193b822	481	_scale=1;
Wimpie	1:ce391193b822	482	while (prescale>10) {
Wimpie	1:ce391193b822	483	_scale=_scale*10;
Wimpie	1:ce391193b822	484	prescale=prescale/10;
Wimpie	1:ce391193b822	485	}
Wimpie	1:ce391193b822	486	if (prescale>1)
Wimpie	1:ce391193b822	487	_scale=_scale*5;
Wimpie	1:ce391193b822	488	else
Wimpie	1:ce391193b822	489	if (prescale==1)
Wimpie	1:ce391193b822	490	_scale =_scale*2;
Wimpie	0:6468a28a7b7d	491
Wimpie	0:6468a28a7b7d	492
Wimpie	1:ce391193b822	493	}
Wimpie	1:ce391193b822	494	Scale=_scale;
Wimpie	0:6468a28a7b7d	495	}
Wimpie	0:6468a28a7b7d	496
Wimpie	1:ce391193b822	497	if (dMode==DRAW_OVERWRITE) {
Wimpie	1:ce391193b822	498	drawrectangle(x0-11,y0-h,x0+w,y0+4+7,FILL_ON,PIXEL_OFF,FALSE);
Wimpie	1:ce391193b822	499	drawline(x0,y0,x0,y0-h,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	500	drawline(x0,y0,x0+w,y0,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	501
Wimpie	1:ce391193b822	502	//drawrectangle(x0,y0-h,x0+w,y0,FILL_OFF,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	503
Wimpie	1:ce391193b822	504	for (int i=0;i<=h;i++) {
Wimpie	1:ce391193b822	505	if ((i % unity) == 0) {
Wimpie	1:ce391193b822	506	drawpixel(x0-2,y0-i,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	507	// drawpixel(x0+w+2,y0-i,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	508
Wimpie	1:ce391193b822	509	if (rMode==RASTER_ON) {
Wimpie	1:ce391193b822	510	for (int r=0;r<=w;r++) {
Wimpie	1:ce391193b822	511	if ((r % 2) ==0)
Wimpie	1:ce391193b822	512	drawpixel(x0+r,y0-i,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	513	}
Wimpie	1:ce391193b822	514	}
Wimpie	1:ce391193b822	515	// draw vertical axis labels
Wimpie	0:6468a28a7b7d	516
Wimpie	1:ce391193b822	517	itostr(buffer,i*Scale);
Wimpie	1:ce391193b822	518
Wimpie	1:ce391193b822	519	// pc_PCD8544.traceOut(" %i %s \|",i*Scale,buffer);
Wimpie	1:ce391193b822	520	writeString(x0-11,y0-i+1,buffer,VERYSMALLFONT,NORMAL,SPACE_NONE,FALSE);
Wimpie	0:6468a28a7b7d	521
Wimpie	1:ce391193b822	522	}
Wimpie	1:ce391193b822	523	if ((i % 2) == 0) {
Wimpie	1:ce391193b822	524	drawpixel(x0-1,y0-i,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	525	// drawpixel(x0+w+1,y0-i,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	526	}
Wimpie	1:ce391193b822	527	}
Wimpie	1:ce391193b822	528
Wimpie	1:ce391193b822	529	for (int i=0;i<=w;i++) {
Wimpie	1:ce391193b822	530	if (((i+(t % unitx)) % unitx) == 0) {
Wimpie	1:ce391193b822	531	drawpixel(x0+i,y0+2,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	532
Wimpie	1:ce391193b822	533	if (rMode==RASTER_ON) {
Wimpie	1:ce391193b822	534	for (int r=0;r<=h;r++) {
Wimpie	1:ce391193b822	535	if ((r % 2) ==0)
Wimpie	1:ce391193b822	536	drawpixel(x0+i,y0-r,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	537	}
Wimpie	1:ce391193b822	538	}
Wimpie	1:ce391193b822	539	if (((t-w+i)/unitx)>=0)
Wimpie	1:ce391193b822	540	snprintf(buffer,3,"%i",((t-w+i)/unitx));
Wimpie	1:ce391193b822	541	else
Wimpie	1:ce391193b822	542	snprintf(buffer,3,"%i",24+((t-w+i)/unitx));
Wimpie	1:ce391193b822	543
Wimpie	1:ce391193b822	544	// pc_PCD8544.traceOut(" %i %s ",(t-w+i)/unitx,buffer);
Wimpie	1:ce391193b822	545	writeString(x0+i-3,y0+4,buffer,VERYSMALLFONT,NORMAL,SPACE_NORMAL,FALSE);
Wimpie	1:ce391193b822	546	}
Wimpie	1:ce391193b822	547	if ((i % 2) == 0) {
Wimpie	1:ce391193b822	548	drawpixel(x0+i,y0+1,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	549	}
Wimpie	1:ce391193b822	550	}
Wimpie	1:ce391193b822	551	// update();
Wimpie	0:6468a28a7b7d	552	}
Wimpie	0:6468a28a7b7d	553
Wimpie	1:ce391193b822	554	for (int i=0;i<size;i++) {
Wimpie	1:ce391193b822	555	// pc_PCD8544.traceOut(" %i ",val[i]);
Wimpie	1:ce391193b822	556	v1 = val[i] / Scale;
Wimpie	1:ce391193b822	557	if (v1>h)
Wimpie	1:ce391193b822	558	v1=h;
Wimpie	0:6468a28a7b7d	559
Wimpie	1:ce391193b822	560	if (i!=(size-1)) {
Wimpie	1:ce391193b822	561	v2 = val[i+1] / Scale;
Wimpie	1:ce391193b822	562	if (v2>h)
Wimpie	1:ce391193b822	563	v2=h;
Wimpie	1:ce391193b822	564	} else
Wimpie	1:ce391193b822	565	v2=v1;
Wimpie	0:6468a28a7b7d	566
Wimpie	0:6468a28a7b7d	567
Wimpie	1:ce391193b822	568	switch (cMode) {
Wimpie	1:ce391193b822	569	case C_POINT: {
Wimpie	1:ce391193b822	570	drawpixel(x0+i,y0-v1,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	571	break;
Wimpie	1:ce391193b822	572	}
Wimpie	1:ce391193b822	573	case C_LINE: {
Wimpie	1:ce391193b822	574	drawline(x0+i,y0-v1,x0+i+1,y0-v2,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	575	break;
Wimpie	1:ce391193b822	576	}
Wimpie	1:ce391193b822	577	case C_VLINE: {
Wimpie	1:ce391193b822	578	drawline(x0+i,y0-v1,x0+i,y0,PIXEL_ON,FALSE);
Wimpie	1:ce391193b822	579	break;
Wimpie	1:ce391193b822	580	}
Wimpie	1:ce391193b822	581	}
Wimpie	1:ce391193b822	582	}
Wimpie	0:6468a28a7b7d	583
Wimpie	0:6468a28a7b7d	584	update();
Wimpie	0:6468a28a7b7d	585	}
Wimpie	0:6468a28a7b7d	586
Wimpie	0:6468a28a7b7d	587	/*
Wimpie	0:6468a28a7b7d	588	void PCD8544LCD::writeCharBig(BYTE x, BYTE y, BYTE ch, eDisplayMode mode) {
Wimpie	0:6468a28a7b7d	589	BYTE sendByte;
Wimpie	0:6468a28a7b7d	590
Wimpie	0:6468a28a7b7d	591	unsigned char* pFont = (unsigned char *) font_bignumber;
Wimpie	0:6468a28a7b7d	592
Wimpie	0:6468a28a7b7d	593	if ('.' == ch)
Wimpie	0:6468a28a7b7d	594	ch = 10;
Wimpie	0:6468a28a7b7d	595	else if ('+' == ch)
Wimpie	0:6468a28a7b7d	596	ch = 11;
Wimpie	0:6468a28a7b7d	597	else if ('-' == ch)
Wimpie	0:6468a28a7b7d	598	ch = 12;
Wimpie	0:6468a28a7b7d	599	else
Wimpie	0:6468a28a7b7d	600	ch = ch & 0x0f;
Wimpie	0:6468a28a7b7d	601
Wimpie	0:6468a28a7b7d	602	for (BYTE i = 0; i < 3; i++) {
Wimpie	0:6468a28a7b7d	603	locate(x, y + i);
Wimpie	0:6468a28a7b7d	604
Wimpie	0:6468a28a7b7d	605	for (BYTE j = 0; j < 16; j++) {
Wimpie	0:6468a28a7b7d	606	sendByte = (pFont + ch48 + i*16 + j);
Wimpie	0:6468a28a7b7d	607	writeData((mode == NORMAL)? sendByte : (sendByte^0xff));
Wimpie	0:6468a28a7b7d	608	}
Wimpie	0:6468a28a7b7d	609	}
Wimpie	0:6468a28a7b7d	610	}
Wimpie	0:6468a28a7b7d	611
Wimpie	0:6468a28a7b7d	612
Wimpie	0:6468a28a7b7d	613	void PCD8544LCD::writeStringBig(BYTE x0, BYTE y0, char* string, eDisplayMode mode, BYTE fupdate) {
Wimpie	0:6468a28a7b7d	614	while (*string) {
Wimpie	0:6468a28a7b7d	615	writeCharBig(x0, y0, *string , mode);
Wimpie	0:6468a28a7b7d	616
Wimpie	0:6468a28a7b7d	617	if ('.' == *string++)
Wimpie	0:6468a28a7b7d	618	x0 += 5;
Wimpie	0:6468a28a7b7d	619	else
Wimpie	0:6468a28a7b7d	620	x0 += 12;
Wimpie	0:6468a28a7b7d	621	}
Wimpie	0:6468a28a7b7d	622	}
Wimpie	0:6468a28a7b7d	623	*/

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Type:	Library
Created:	17 Apr 2011
Imports:	44
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	0
Followers:	2

PCD8544LCD.cpp@1:ce391193b822, 2011-05-19 (annotated)

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