PCD8544LCD -

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PCD8544LCD.cpp@0:6468a28a7b7d, 2011-04-17 (annotated)

Committer:: Wimpie
Date:: Sun Apr 17 18:03:24 2011 +0000
Revision:: 0:6468a28a7b7d
Child:: 1:ce391193b822

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	0:6468a28a7b7d	40
Wimpie	0:6468a28a7b7d	41	DebugTrace pc_PCD8544(ON, TO_SERIAL);
Wimpie	0:6468a28a7b7d	42
Wimpie	0:6468a28a7b7d	43	/*
Wimpie	0:6468a28a7b7d	44	PCD8544 from Philips Semiconductors is
Wimpie	0:6468a28a7b7d	45	48 x 84 pixels monochrome matrix LCD controller/driver
Wimpie	0:6468a28a7b7d	46
Wimpie	0:6468a28a7b7d	47	generic for LPH7366, LPH7677, and LPH7779; no backlight
Wimpie	0:6468a28a7b7d	48
Wimpie	0:6468a28a7b7d	49	model name (of display) type used in cellphones
Wimpie	0:6468a28a7b7d	50	LPH 7366 2 Nokia 5110, 5120, 5130, 5160, 6110, 6150
Wimpie	0:6468a28a7b7d	51	LPH 7677 1 Nokia 3210
Wimpie	0:6468a28a7b7d	52	LPH 7779 1 Nokia 3310, 3315, 3330, 3350, 3410
Wimpie	0:6468a28a7b7d	53
Wimpie	0:6468a28a7b7d	54
Wimpie	0:6468a28a7b7d	55	+-------------------------+
Wimpie	0:6468a28a7b7d	56	\| 1 2 3 4 5 6 7 8 \|
Wimpie	0:6468a28a7b7d	57	\| # # # # # # # # \|
Wimpie	0:6468a28a7b7d	58	\| ===#=#=#=#=#=#=#=#=== \| Red 1 .. VDD - chip power supply +3.3V
Wimpie	0:6468a28a7b7d	59	+--=====================--+ Green 2 .. SCLK - serial clock line of LCD
Wimpie	0:6468a28a7b7d	60	\| \| Yellow 3 .. SI - serial data input of LCD
Wimpie	0:6468a28a7b7d	61	\| \| Gray 4 .. D/C - command/data switch
Wimpie	0:6468a28a7b7d	62	\| rear view \| Blue 5 .. /CS - active low chip select
Wimpie	0:6468a28a7b7d	63	\| connector is visible \| Black 6 .. GND - for VDD
Wimpie	0:6468a28a7b7d	64	\| \| 7 .. Vout - output of display-internal dc/dc converter
Wimpie	0:6468a28a7b7d	65	\| LPH7779 \| White 8 .. /RES - active low reset
Wimpie	0:6468a28a7b7d	66	\| \|
Wimpie	0:6468a28a7b7d	67	+-------------------------+
Wimpie	0:6468a28a7b7d	68
Wimpie	0:6468a28a7b7d	69	*/
Wimpie	0:6468a28a7b7d	70
Wimpie	0:6468a28a7b7d	71	PCD8544LCD::PCD8544LCD (PinName mosi, PinName miso, PinName sck,
Wimpie	0:6468a28a7b7d	72	PinName cs, PinName data_cmd, PinName reset):
Wimpie	0:6468a28a7b7d	73	_spi(mosi, miso, sck),
Wimpie	0:6468a28a7b7d	74	_cs(cs),
Wimpie	0:6468a28a7b7d	75	_dc(data_cmd),
Wimpie	0:6468a28a7b7d	76	_reset(reset) {
Wimpie	0:6468a28a7b7d	77
Wimpie	0:6468a28a7b7d	78	_cs = HIGH;
Wimpie	0:6468a28a7b7d	79	_reset = HIGH;
Wimpie	0:6468a28a7b7d	80
Wimpie	0:6468a28a7b7d	81	init();
Wimpie	0:6468a28a7b7d	82	}
Wimpie	0:6468a28a7b7d	83
Wimpie	0:6468a28a7b7d	84	void PCD8544LCD::init() {
Wimpie	0:6468a28a7b7d	85
Wimpie	0:6468a28a7b7d	86	_spi.format(8,0);
Wimpie	0:6468a28a7b7d	87	_spi.frequency(1000000);
Wimpie	0:6468a28a7b7d	88
Wimpie	0:6468a28a7b7d	89	/* reset lcd
Wimpie	0:6468a28a7b7d	90
Wimpie	0:6468a28a7b7d	91	After reset, the LCD driver has the following state:
Wimpie	0:6468a28a7b7d	92	- Power-down mode (bit PD = 1)
Wimpie	0:6468a28a7b7d	93	- Horizontal addressing (bit V = 0)
Wimpie	0:6468a28a7b7d	94	- normal instruction set (bit H = 0)
Wimpie	0:6468a28a7b7d	95	- Display blank (bit E = D = 0)
Wimpie	0:6468a28a7b7d	96	- Address counter X6 to X0 = 0; Y2 to Y0 = 0
Wimpie	0:6468a28a7b7d	97	- Temperature control mode (TC1 TC0 = 0)
Wimpie	0:6468a28a7b7d	98	- Bias system (BS2 to BS0 = 0)
Wimpie	0:6468a28a7b7d	99	- VLCD is equal to 0, the HV generator is switched off
Wimpie	0:6468a28a7b7d	100	(VOP6 to VOP0 = 0)
Wimpie	0:6468a28a7b7d	101	- After power-on, the RAM contents are undefined.
Wimpie	0:6468a28a7b7d	102	*/
Wimpie	0:6468a28a7b7d	103
Wimpie	0:6468a28a7b7d	104	wait_ms(1);
Wimpie	0:6468a28a7b7d	105	_reset = LOW; // reset
Wimpie	0:6468a28a7b7d	106	wait_ms(1);
Wimpie	0:6468a28a7b7d	107	_reset = HIGH;
Wimpie	0:6468a28a7b7d	108
Wimpie	0:6468a28a7b7d	109	writeCmd(EXTENDEDSET); // folowing commands are extended ones
Wimpie	0:6468a28a7b7d	110	writeCmd(0xc8); // Set Voltage 0x80+value: set contrast
Wimpie	0:6468a28a7b7d	111	writeCmd(0x06); // set temp coefficient
Wimpie	0:6468a28a7b7d	112	writeCmd(0x13); // set BIAS mode 1:48
Wimpie	0:6468a28a7b7d	113	writeCmd(STANDARDSET); // STANDARDSET: following commands are standard ones
Wimpie	0:6468a28a7b7d	114
Wimpie	0:6468a28a7b7d	115	writeCmd(NORMAL_MODE);
Wimpie	0:6468a28a7b7d	116
Wimpie	0:6468a28a7b7d	117	_LoMark = LCD_CACHE_SIZE; // Reset watermark pointers.
Wimpie	0:6468a28a7b7d	118	_HiMark = 0;
Wimpie	0:6468a28a7b7d	119
Wimpie	0:6468a28a7b7d	120	cls();
Wimpie	0:6468a28a7b7d	121	}
Wimpie	0:6468a28a7b7d	122
Wimpie	0:6468a28a7b7d	123	void PCD8544LCD::writeCmd(BYTE data) {
Wimpie	0:6468a28a7b7d	124	_cs = LOW;
Wimpie	0:6468a28a7b7d	125	_dc = LOW;
Wimpie	0:6468a28a7b7d	126	_spi.write(data);
Wimpie	0:6468a28a7b7d	127	_cs = HIGH;
Wimpie	0:6468a28a7b7d	128	}
Wimpie	0:6468a28a7b7d	129
Wimpie	0:6468a28a7b7d	130	void PCD8544LCD::writeData(BYTE data) {
Wimpie	0:6468a28a7b7d	131	_cs = LOW;
Wimpie	0:6468a28a7b7d	132	_dc = HIGH;
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::close() {
Wimpie	0:6468a28a7b7d	138	writeCmd(DISPLAYOFF);
Wimpie	0:6468a28a7b7d	139	_cs = HIGH;
Wimpie	0:6468a28a7b7d	140	_reset = HIGH;
Wimpie	0:6468a28a7b7d	141	}
Wimpie	0:6468a28a7b7d	142
Wimpie	0:6468a28a7b7d	143	// GRAPHICAL functions
Wimpie	0:6468a28a7b7d	144
Wimpie	0:6468a28a7b7d	145	void PCD8544LCD::cls() {
Wimpie	0:6468a28a7b7d	146	for (int i = 0; i < LCD_CACHE_SIZE ; i++) {
Wimpie	0:6468a28a7b7d	147	_LcdCache[i]=0x00;
Wimpie	0:6468a28a7b7d	148	}
Wimpie	0:6468a28a7b7d	149	_LoMark = 0;
Wimpie	0:6468a28a7b7d	150	_HiMark = LCD_CACHE_SIZE - 1;
Wimpie	0:6468a28a7b7d	151	update();
Wimpie	0:6468a28a7b7d	152	}
Wimpie	0:6468a28a7b7d	153
Wimpie	0:6468a28a7b7d	154	void PCD8544LCD::update() {
Wimpie	0:6468a28a7b7d	155
Wimpie	0:6468a28a7b7d	156	if ( _LoMark < 0 )
Wimpie	0:6468a28a7b7d	157	_LoMark = 0;
Wimpie	0:6468a28a7b7d	158	else if ( _LoMark >= LCD_CACHE_SIZE )
Wimpie	0:6468a28a7b7d	159	_LoMark = LCD_CACHE_SIZE - 1;
Wimpie	0:6468a28a7b7d	160	if ( _HiMark < 0 )
Wimpie	0:6468a28a7b7d	161	_HiMark = 0;
Wimpie	0:6468a28a7b7d	162	else if ( _HiMark >= LCD_CACHE_SIZE )
Wimpie	0:6468a28a7b7d	163	_HiMark = LCD_CACHE_SIZE - 1;
Wimpie	0:6468a28a7b7d	164
Wimpie	0:6468a28a7b7d	165	writeCmd(SET_ADDRES_X \| (_LoMark % LCD_X_RES));
Wimpie	0:6468a28a7b7d	166	writeCmd(SET_ADDRES_Y \| (_LoMark / LCD_X_RES));
Wimpie	0:6468a28a7b7d	167
Wimpie	0:6468a28a7b7d	168	for (int i = _LoMark; i <= _HiMark; i++ ) {
Wimpie	0:6468a28a7b7d	169	writeData( _LcdCache[i]);
Wimpie	0:6468a28a7b7d	170	}
Wimpie	0:6468a28a7b7d	171	_LoMark = LCD_CACHE_SIZE - 1;
Wimpie	0:6468a28a7b7d	172	_HiMark = 0;
Wimpie	0:6468a28a7b7d	173	}
Wimpie	0:6468a28a7b7d	174
Wimpie	0:6468a28a7b7d	175
Wimpie	0:6468a28a7b7d	176
Wimpie	0:6468a28a7b7d	177	void PCD8544LCD::locate(BYTE x0, BYTE y0) {
Wimpie	0:6468a28a7b7d	178	_LcdCacheIdx = x0LCD_BANKS + y0 LCD_X_RES;
Wimpie	0:6468a28a7b7d	179	}
Wimpie	0:6468a28a7b7d	180
Wimpie	0:6468a28a7b7d	181	// Bitmap
Wimpie	0:6468a28a7b7d	182
Wimpie	0:6468a28a7b7d	183	void PCD8544LCD::drawBitmap(BYTE x0, BYTE y0, BYTE* bitmap, BYTE bmpXSize, BYTE bmpYSize,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	184	BYTE row;
Wimpie	0:6468a28a7b7d	185
Wimpie	0:6468a28a7b7d	186	if (0 == bmpYSize % 8)
Wimpie	0:6468a28a7b7d	187	row = bmpYSize/8;
Wimpie	0:6468a28a7b7d	188	else
Wimpie	0:6468a28a7b7d	189	row = bmpYSize/8 + 1;
Wimpie	0:6468a28a7b7d	190
Wimpie	0:6468a28a7b7d	191	_LoMark= 0;
Wimpie	0:6468a28a7b7d	192	_HiMark= LCD_CACHE_SIZE - 1;
Wimpie	0:6468a28a7b7d	193
Wimpie	0:6468a28a7b7d	194	for (BYTE n = 0; n < row; n++) {
Wimpie	0:6468a28a7b7d	195	locate(x0, y0);
Wimpie	0:6468a28a7b7d	196
Wimpie	0:6468a28a7b7d	197	for (BYTE i = 0; i < bmpXSize; i++) {
Wimpie	0:6468a28a7b7d	198	_LcdCache[_LcdCacheIdx+ i]=bitmap[i + (n * bmpXSize)];
Wimpie	0:6468a28a7b7d	199	}
Wimpie	0:6468a28a7b7d	200	y0++;
Wimpie	0:6468a28a7b7d	201	}
Wimpie	0:6468a28a7b7d	202	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	203	update();
Wimpie	0:6468a28a7b7d	204	}
Wimpie	0:6468a28a7b7d	205
Wimpie	0:6468a28a7b7d	206	void PCD8544LCD::writeString(BYTE x0, BYTE y0, char* string, eFonts font,eDisplayMode mode,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	207	locate(x0, y0);
Wimpie	0:6468a28a7b7d	208	chooseFont(font);
Wimpie	0:6468a28a7b7d	209
Wimpie	0:6468a28a7b7d	210	while (*string) {
Wimpie	0:6468a28a7b7d	211	writeChar(x0,y0,*string++,font, mode, FALSE);
Wimpie	0:6468a28a7b7d	212	x0+=_font_width; // width +1;
Wimpie	0:6468a28a7b7d	213	}
Wimpie	0:6468a28a7b7d	214	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	215	update();
Wimpie	0:6468a28a7b7d	216	}
Wimpie	0:6468a28a7b7d	217
Wimpie	0:6468a28a7b7d	218	void PCD8544LCD::chooseFont(eFonts font) {
Wimpie	0:6468a28a7b7d	219
Wimpie	0:6468a28a7b7d	220	switch (font) {
Wimpie	0:6468a28a7b7d	221
Wimpie	0:6468a28a7b7d	222	case VERYSMALLFONT: {
Wimpie	0:6468a28a7b7d	223	_font_width = FONT3x5_WIDTH;
Wimpie	0:6468a28a7b7d	224	_font_height = FONT3x5_HEIGHT;
Wimpie	0:6468a28a7b7d	225	_font_start = FONT3x5_START;
Wimpie	0:6468a28a7b7d	226	_font_end = FONT3x5_END;
Wimpie	0:6468a28a7b7d	227
Wimpie	0:6468a28a7b7d	228	_pFont = (unsigned char*) font_3x5;
Wimpie	0:6468a28a7b7d	229
Wimpie	0:6468a28a7b7d	230	break;
Wimpie	0:6468a28a7b7d	231	}
Wimpie	0:6468a28a7b7d	232	case TINYFONT: {
Wimpie	0:6468a28a7b7d	233	_font_width = FONT5x7_WIDTH;
Wimpie	0:6468a28a7b7d	234	_font_height = FONT5x7_HEIGHT;
Wimpie	0:6468a28a7b7d	235	_font_start = FONT5x7_START;
Wimpie	0:6468a28a7b7d	236	_font_end = FONT5x7_END;
Wimpie	0:6468a28a7b7d	237
Wimpie	0:6468a28a7b7d	238	_pFont = (unsigned char*) font_5x7;
Wimpie	0:6468a28a7b7d	239
Wimpie	0:6468a28a7b7d	240	break;
Wimpie	0:6468a28a7b7d	241	}
Wimpie	0:6468a28a7b7d	242
Wimpie	0:6468a28a7b7d	243	case SMALLFONT: {
Wimpie	0:6468a28a7b7d	244	_font_width = FONT6x8_WIDTH;
Wimpie	0:6468a28a7b7d	245	_font_height = FONT6x8_HEIGHT;
Wimpie	0:6468a28a7b7d	246	_font_start = FONT6x8_START;
Wimpie	0:6468a28a7b7d	247	_font_end = FONT6x8_END;
Wimpie	0:6468a28a7b7d	248
Wimpie	0:6468a28a7b7d	249	_pFont = (unsigned char*) font_6x8;
Wimpie	0:6468a28a7b7d	250
Wimpie	0:6468a28a7b7d	251	break;
Wimpie	0:6468a28a7b7d	252	}
Wimpie	0:6468a28a7b7d	253	case NORMALFONT: {
Wimpie	0:6468a28a7b7d	254	_font_width = FONT8x8_WIDTH;
Wimpie	0:6468a28a7b7d	255	_font_height = FONT8x8_HEIGHT;
Wimpie	0:6468a28a7b7d	256	_font_start = FONT8x8_START;
Wimpie	0:6468a28a7b7d	257	_font_end = FONT8x8_END;
Wimpie	0:6468a28a7b7d	258
Wimpie	0:6468a28a7b7d	259	_pFont = (unsigned char*) font_8x8;
Wimpie	0:6468a28a7b7d	260
Wimpie	0:6468a28a7b7d	261	break;
Wimpie	0:6468a28a7b7d	262	}
Wimpie	0:6468a28a7b7d	263	case BIGFONT: {
Wimpie	0:6468a28a7b7d	264	_font_width = FONT8x12_WIDTH;
Wimpie	0:6468a28a7b7d	265	_font_height = FONT8x12_HEIGHT;
Wimpie	0:6468a28a7b7d	266	_font_start = FONT8x12_START;
Wimpie	0:6468a28a7b7d	267	_font_end = FONT8x12_END;
Wimpie	0:6468a28a7b7d	268
Wimpie	0:6468a28a7b7d	269	_pFont = (unsigned char*) font_8x12;
Wimpie	0:6468a28a7b7d	270
Wimpie	0:6468a28a7b7d	271	break;
Wimpie	0:6468a28a7b7d	272	}
Wimpie	0:6468a28a7b7d	273
Wimpie	0:6468a28a7b7d	274	case TIMENUMBERFONT: {
Wimpie	0:6468a28a7b7d	275	_font_width = FONT16x20_WIDTH;
Wimpie	0:6468a28a7b7d	276	_font_height = FONT16x20_HEIGHT;
Wimpie	0:6468a28a7b7d	277	_font_start = FONT16x20_START;
Wimpie	0:6468a28a7b7d	278	_font_end = FONT16x20_END;
Wimpie	0:6468a28a7b7d	279
Wimpie	0:6468a28a7b7d	280	_pFont = (unsigned char*) font_16x20;
Wimpie	0:6468a28a7b7d	281
Wimpie	0:6468a28a7b7d	282	break;
Wimpie	0:6468a28a7b7d	283	}
Wimpie	0:6468a28a7b7d	284
Wimpie	0:6468a28a7b7d	285	case BIGNUMBERFONT: {
Wimpie	0:6468a28a7b7d	286	_font_width = FONT16x24_WIDTH;
Wimpie	0:6468a28a7b7d	287	_font_height = FONT16x24_HEIGHT;
Wimpie	0:6468a28a7b7d	288	_font_start = FONT16x24_START;
Wimpie	0:6468a28a7b7d	289	_font_end = FONT16x24_END;
Wimpie	0:6468a28a7b7d	290
Wimpie	0:6468a28a7b7d	291	_pFont = (unsigned char*) font_16x24;
Wimpie	0:6468a28a7b7d	292
Wimpie	0:6468a28a7b7d	293	break;
Wimpie	0:6468a28a7b7d	294	}
Wimpie	0:6468a28a7b7d	295	}
Wimpie	0:6468a28a7b7d	296	}
Wimpie	0:6468a28a7b7d	297
Wimpie	0:6468a28a7b7d	298	void PCD8544LCD::writeChar(BYTE x0, BYTE y0, BYTE ch, eFonts font, eDisplayMode mode,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	299	BYTE sendByte;
Wimpie	0:6468a28a7b7d	300
Wimpie	0:6468a28a7b7d	301	chooseFont(font);
Wimpie	0:6468a28a7b7d	302
Wimpie	0:6468a28a7b7d	303	if ((ch <= _font_start) \|\| (ch > _font_end))
Wimpie	0:6468a28a7b7d	304	ch=_font_start;
Wimpie	0:6468a28a7b7d	305
Wimpie	0:6468a28a7b7d	306	ch -= _font_start;
Wimpie	0:6468a28a7b7d	307
Wimpie	0:6468a28a7b7d	308	for (int i = 0; i < _font_width; i++ ) {
Wimpie	0:6468a28a7b7d	309
Wimpie	0:6468a28a7b7d	310	sendByte = (_pFont + ch_font_width +i);
Wimpie	0:6468a28a7b7d	311	sendByte = ((mode == NORMAL)? sendByte:(sendByte ^ 0xff));
Wimpie	0:6468a28a7b7d	312
Wimpie	0:6468a28a7b7d	313	for (int j=0 ; j<_font_height; j++) {
Wimpie	0:6468a28a7b7d	314	if ((sendByte & 0x01) == 0x01) {
Wimpie	0:6468a28a7b7d	315	drawpixel(x0,y0+j,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	316	} else {
Wimpie	0:6468a28a7b7d	317	drawpixel(x0,y0+j,PIXEL_OFF,FALSE);
Wimpie	0:6468a28a7b7d	318	}
Wimpie	0:6468a28a7b7d	319	sendByte=sendByte>>1;
Wimpie	0:6468a28a7b7d	320	}
Wimpie	0:6468a28a7b7d	321	x0++;
Wimpie	0:6468a28a7b7d	322	}
Wimpie	0:6468a28a7b7d	323	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	324	update();
Wimpie	0:6468a28a7b7d	325	}
Wimpie	0:6468a28a7b7d	326
Wimpie	0:6468a28a7b7d	327
Wimpie	0:6468a28a7b7d	328	void PCD8544LCD::drawpixel(BYTE x0, BYTE y0, ePixelMode mode,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	329	uint16_t index;
Wimpie	0:6468a28a7b7d	330	BYTE offset;
Wimpie	0:6468a28a7b7d	331	BYTE data;
Wimpie	0:6468a28a7b7d	332
Wimpie	0:6468a28a7b7d	333	if ( x0 > LCD_X_RES-1 ) return;
Wimpie	0:6468a28a7b7d	334	if ( y0 > LCD_Y_RES-1 ) return;
Wimpie	0:6468a28a7b7d	335
Wimpie	0:6468a28a7b7d	336	index = ((y0 / 8) * LCD_X_RES) + x0;
Wimpie	0:6468a28a7b7d	337	offset = y0 - ((y0 / 8) * 8);
Wimpie	0:6468a28a7b7d	338
Wimpie	0:6468a28a7b7d	339	data = _LcdCache[index];
Wimpie	0:6468a28a7b7d	340
Wimpie	0:6468a28a7b7d	341	if ( mode == PIXEL_OFF ) {
Wimpie	0:6468a28a7b7d	342	data &= (~(0x01 << offset));
Wimpie	0:6468a28a7b7d	343	} else if ( mode == PIXEL_ON ) {
Wimpie	0:6468a28a7b7d	344	data \|= (0x01 << offset);
Wimpie	0:6468a28a7b7d	345	} else if ( mode == PIXEL_XOR ) {
Wimpie	0:6468a28a7b7d	346	data ^= (0x01 << offset);
Wimpie	0:6468a28a7b7d	347	}
Wimpie	0:6468a28a7b7d	348	_LcdCache[index] = data;
Wimpie	0:6468a28a7b7d	349
Wimpie	0:6468a28a7b7d	350	if ( index < _LoMark ) {
Wimpie	0:6468a28a7b7d	351	_LoMark = index;
Wimpie	0:6468a28a7b7d	352	}
Wimpie	0:6468a28a7b7d	353	if ( index > _HiMark ) {
Wimpie	0:6468a28a7b7d	354	_HiMark = index;
Wimpie	0:6468a28a7b7d	355	}
Wimpie	0:6468a28a7b7d	356	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	357	update();
Wimpie	0:6468a28a7b7d	358	}
Wimpie	0:6468a28a7b7d	359
Wimpie	0:6468a28a7b7d	360	void PCD8544LCD::drawline(BYTE x0, BYTE y0, BYTE x1, BYTE y1, ePixelMode mode,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	361	int dx, dy, stepx, stepy, fraction;
Wimpie	0:6468a28a7b7d	362
Wimpie	0:6468a28a7b7d	363	dy = y1 - y0;
Wimpie	0:6468a28a7b7d	364	dx = x1 - x0;
Wimpie	0:6468a28a7b7d	365	if ( dy < 0 ) {
Wimpie	0:6468a28a7b7d	366	dy = -dy;
Wimpie	0:6468a28a7b7d	367	stepy = -1;
Wimpie	0:6468a28a7b7d	368	} else {
Wimpie	0:6468a28a7b7d	369	stepy = 1;
Wimpie	0:6468a28a7b7d	370	}
Wimpie	0:6468a28a7b7d	371	if ( dx < 0 ) {
Wimpie	0:6468a28a7b7d	372	dx = -dx;
Wimpie	0:6468a28a7b7d	373	stepx = -1;
Wimpie	0:6468a28a7b7d	374	} else {
Wimpie	0:6468a28a7b7d	375	stepx = 1;
Wimpie	0:6468a28a7b7d	376	}
Wimpie	0:6468a28a7b7d	377	dx <<= 1;
Wimpie	0:6468a28a7b7d	378	dy <<= 1;
Wimpie	0:6468a28a7b7d	379
Wimpie	0:6468a28a7b7d	380	drawpixel( x0, y0, mode , FALSE);
Wimpie	0:6468a28a7b7d	381	if ( dx > dy ) {
Wimpie	0:6468a28a7b7d	382	fraction = dy - (dx >> 1);
Wimpie	0:6468a28a7b7d	383	while ( x0 != x1 ) {
Wimpie	0:6468a28a7b7d	384	if ( fraction >= 0 ) {
Wimpie	0:6468a28a7b7d	385	y0 += stepy;
Wimpie	0:6468a28a7b7d	386	fraction -= dx;
Wimpie	0:6468a28a7b7d	387	}
Wimpie	0:6468a28a7b7d	388	x0 += stepx;
Wimpie	0:6468a28a7b7d	389	fraction += dy;
Wimpie	0:6468a28a7b7d	390	drawpixel( x0, y0, mode , FALSE);
Wimpie	0:6468a28a7b7d	391	}
Wimpie	0:6468a28a7b7d	392	} else {
Wimpie	0:6468a28a7b7d	393	fraction = dx - (dy >> 1);
Wimpie	0:6468a28a7b7d	394	while ( y0 != y1 ) {
Wimpie	0:6468a28a7b7d	395	if ( fraction >= 0 ) {
Wimpie	0:6468a28a7b7d	396	x0 += stepx;
Wimpie	0:6468a28a7b7d	397	fraction -= dy;
Wimpie	0:6468a28a7b7d	398	}
Wimpie	0:6468a28a7b7d	399	y0 += stepy;
Wimpie	0:6468a28a7b7d	400	fraction += dx;
Wimpie	0:6468a28a7b7d	401	drawpixel( x0, y0, mode , FALSE);
Wimpie	0:6468a28a7b7d	402	}
Wimpie	0:6468a28a7b7d	403	}
Wimpie	0:6468a28a7b7d	404	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	405	update();
Wimpie	0:6468a28a7b7d	406	}
Wimpie	0:6468a28a7b7d	407
Wimpie	0:6468a28a7b7d	408	void PCD8544LCD::drawrectangle(BYTE x0, BYTE y0, BYTE x1, BYTE y1, eFillMode fill, ePixelMode mode,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	409	if (fill==1) {
Wimpie	0:6468a28a7b7d	410	BYTE i, xmin, xmax, ymin, ymax;
Wimpie	0:6468a28a7b7d	411	if (x0 < x1) { // Find x min and max
Wimpie	0:6468a28a7b7d	412	xmin = x0;
Wimpie	0:6468a28a7b7d	413	xmax = x1;
Wimpie	0:6468a28a7b7d	414	} else {
Wimpie	0:6468a28a7b7d	415	xmin = x1;
Wimpie	0:6468a28a7b7d	416	xmax = x0;
Wimpie	0:6468a28a7b7d	417	}
Wimpie	0:6468a28a7b7d	418	if (y0 < y1) { // Find the y min and max
Wimpie	0:6468a28a7b7d	419	ymin = y0;
Wimpie	0:6468a28a7b7d	420	ymax = y1;
Wimpie	0:6468a28a7b7d	421	} else {
Wimpie	0:6468a28a7b7d	422	ymin = y1;
Wimpie	0:6468a28a7b7d	423	ymax = y0;
Wimpie	0:6468a28a7b7d	424	}
Wimpie	0:6468a28a7b7d	425	for (; xmin <= xmax; ++xmin) {
Wimpie	0:6468a28a7b7d	426	for (i=ymin; i<=ymax; ++i) {
Wimpie	0:6468a28a7b7d	427	drawpixel(xmin, i, mode, FALSE);
Wimpie	0:6468a28a7b7d	428	}
Wimpie	0:6468a28a7b7d	429	}
Wimpie	0:6468a28a7b7d	430	} else {
Wimpie	0:6468a28a7b7d	431	drawline(x0, y0, x1, y0, mode, FALSE); // Draw the 4 sides
Wimpie	0:6468a28a7b7d	432	drawline(x0, y1, x1, y1, mode, FALSE);
Wimpie	0:6468a28a7b7d	433	drawline(x0, y0, x0, y1, mode, FALSE);
Wimpie	0:6468a28a7b7d	434	drawline(x1, y0, x1, y1, mode, FALSE);
Wimpie	0:6468a28a7b7d	435	}
Wimpie	0:6468a28a7b7d	436	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	437	update();
Wimpie	0:6468a28a7b7d	438	}
Wimpie	0:6468a28a7b7d	439
Wimpie	0:6468a28a7b7d	440	void PCD8544LCD::drawprogressbar(BYTE x0, BYTE y0, BYTE w, BYTE h, BYTE percentage,BYTE fupdate) {
Wimpie	0:6468a28a7b7d	441	drawrectangle(x0,y0,x0+w,y0+h,FILL_OFF,PIXEL_ON, FALSE);
Wimpie	0:6468a28a7b7d	442	drawrectangle(x0+2,y0+2,x0+w-2,y0+h-2,FILL_ON,PIXEL_OFF, FALSE);
Wimpie	0:6468a28a7b7d	443	drawrectangle(x0+2,y0+2,x0+2+(percentage*(w-4)/100),y0+h-2,FILL_ON,PIXEL_ON, FALSE);
Wimpie	0:6468a28a7b7d	444	if (fupdate==TRUE)
Wimpie	0:6468a28a7b7d	445	update();
Wimpie	0:6468a28a7b7d	446	}
Wimpie	0:6468a28a7b7d	447
Wimpie	0:6468a28a7b7d	448	void PCD8544LCD::drawchart(BYTE x0, BYTE y0, BYTE w, BYTE h, BYTE unitx, BYTE unity,
Wimpie	0:6468a28a7b7d	449	eRasterMode rmode,signed char * val, int start, int count) {
Wimpie	0:6468a28a7b7d	450	BYTE miny,endy,maxy;
Wimpie	0:6468a28a7b7d	451
Wimpie	0:6468a28a7b7d	452	drawrectangle(x0,y0-h,x0+w,y0,FILL_OFF,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	453
Wimpie	0:6468a28a7b7d	454	for (int i=0;i<h;i++) {
Wimpie	0:6468a28a7b7d	455	if ((i % unity) == 0) {
Wimpie	0:6468a28a7b7d	456	drawpixel(x0-2,y0-i,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	457	drawpixel(x0+w+2,y0-i,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	458
Wimpie	0:6468a28a7b7d	459	if (rmode==RASTER_ON) {
Wimpie	0:6468a28a7b7d	460	for (int r=0;r<w;r++) {
Wimpie	0:6468a28a7b7d	461	if ((r % 2) ==0)
Wimpie	0:6468a28a7b7d	462	drawpixel(x0+r,y0-i,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	463	}
Wimpie	0:6468a28a7b7d	464	}
Wimpie	0:6468a28a7b7d	465	}
Wimpie	0:6468a28a7b7d	466	if ((i % 2) == 0) {
Wimpie	0:6468a28a7b7d	467	drawpixel(x0-1,y0-i,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	468	drawpixel(x0+w+1,y0-i,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	469	}
Wimpie	0:6468a28a7b7d	470	}
Wimpie	0:6468a28a7b7d	471
Wimpie	0:6468a28a7b7d	472	for (int i=0;i<w;i++) {
Wimpie	0:6468a28a7b7d	473	if ((i % unitx) == 0) {
Wimpie	0:6468a28a7b7d	474	drawpixel(x0+i,y0-1,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	475
Wimpie	0:6468a28a7b7d	476	if (rmode==RASTER_ON) {
Wimpie	0:6468a28a7b7d	477	for (int r=0;r<h;r++) {
Wimpie	0:6468a28a7b7d	478	if ((r % 2) ==0)
Wimpie	0:6468a28a7b7d	479	drawpixel(x0+i,y0-r,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	480	}
Wimpie	0:6468a28a7b7d	481	}
Wimpie	0:6468a28a7b7d	482	}
Wimpie	0:6468a28a7b7d	483	if ((i % 2) == 0) {
Wimpie	0:6468a28a7b7d	484	drawpixel(x0+i,y0+1,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	485	}
Wimpie	0:6468a28a7b7d	486	}
Wimpie	0:6468a28a7b7d	487	/*
Wimpie	0:6468a28a7b7d	488	// clear axis area
Wimpie	0:6468a28a7b7d	489	drawrectangle(x0-9,y0-1,x0-3,y0-h,FILL_ON,PIXEL_OFF,FALSE);
Wimpie	0:6468a28a7b7d	490	drawrectangle(x0-4,y0+3,x0+w+2,y0+7,FILL_ON,PIXEL_OFF,FALSE);
Wimpie	0:6468a28a7b7d	491	*/
Wimpie	0:6468a28a7b7d	492	//write labels Axis X
Wimpie	0:6468a28a7b7d	493
Wimpie	0:6468a28a7b7d	494	//draw data values
Wimpie	0:6468a28a7b7d	495	//axisy halen uit minimum ans maximum value van timeframe
Wimpie	0:6468a28a7b7d	496
Wimpie	0:6468a28a7b7d	497
Wimpie	0:6468a28a7b7d	498	endy = ((val[start+count] / unity))*unity;
Wimpie	0:6468a28a7b7d	499	maxy=0;
Wimpie	0:6468a28a7b7d	500	miny =10;
Wimpie	0:6468a28a7b7d	501
Wimpie	0:6468a28a7b7d	502	for ( int i=start; i<start+count-1;i++) {
Wimpie	0:6468a28a7b7d	503	if (maxy < ((val[start+count] / unity)+1)*unity)
Wimpie	0:6468a28a7b7d	504	maxy=(((val[start+count] / unity)+1)*unity);
Wimpie	0:6468a28a7b7d	505	if (miny > ((val[start+count] / unity))*unity)
Wimpie	0:6468a28a7b7d	506	miny=((val[start+count] / unity)*unity);
Wimpie	0:6468a28a7b7d	507	}
Wimpie	0:6468a28a7b7d	508
Wimpie	0:6468a28a7b7d	509	// TODO check this
Wimpie	0:6468a28a7b7d	510	// if ((maxy-miny)>h) // problems screen is not high enough
Wimpie	0:6468a28a7b7d	511	miny =10; //(h- (maxy-endy));
Wimpie	0:6468a28a7b7d	512
Wimpie	0:6468a28a7b7d	513	signed char v1,v2;
Wimpie	0:6468a28a7b7d	514
Wimpie	0:6468a28a7b7d	515	if (count>w)
Wimpie	0:6468a28a7b7d	516	count=w;
Wimpie	0:6468a28a7b7d	517
Wimpie	0:6468a28a7b7d	518	for (int i=0; i<count-1;i++) {
Wimpie	0:6468a28a7b7d	519	v1 = val[i+start]*0.5;
Wimpie	0:6468a28a7b7d	520
Wimpie	0:6468a28a7b7d	521
Wimpie	0:6468a28a7b7d	522	/*if ((v1-miny)<=0)
Wimpie	0:6468a28a7b7d	523	v1=miny;
Wimpie	0:6468a28a7b7d	524
Wimpie	0:6468a28a7b7d	525	if ((v1-miny)>=h)
Wimpie	0:6468a28a7b7d	526	v1=v10.5;/
Wimpie	0:6468a28a7b7d	527
Wimpie	0:6468a28a7b7d	528	//pc_PCD8544.traceOut("v1=%i ",v1);
Wimpie	0:6468a28a7b7d	529
Wimpie	0:6468a28a7b7d	530	v2 = val[i+start+1]*0.5;
Wimpie	0:6468a28a7b7d	531
Wimpie	0:6468a28a7b7d	532	//pc_PCD8544.traceOut("v2=%i",v2);
Wimpie	0:6468a28a7b7d	533	/*
Wimpie	0:6468a28a7b7d	534	if ((v2-miny)<=0)
Wimpie	0:6468a28a7b7d	535	v2=miny;
Wimpie	0:6468a28a7b7d	536
Wimpie	0:6468a28a7b7d	537	if ((v2-miny)>=h)
Wimpie	0:6468a28a7b7d	538	v2=h;*/
Wimpie	0:6468a28a7b7d	539
Wimpie	0:6468a28a7b7d	540	//drawpixel(x0+i,y0-v1,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	541
Wimpie	0:6468a28a7b7d	542	drawline(x0+i,y0-v1,x0+i+1,y0-v2,PIXEL_ON,FALSE);
Wimpie	0:6468a28a7b7d	543	}
Wimpie	0:6468a28a7b7d	544
Wimpie	0:6468a28a7b7d	545	/*
Wimpie	0:6468a28a7b7d	546
Wimpie	0:6468a28a7b7d	547	BYTE V;
Wimpie	0:6468a28a7b7d	548	char s[2];
Wimpie	0:6468a28a7b7d	549
Wimpie	0:6468a28a7b7d	550	for (int i=0;i<unitx;i++){
Wimpie	0:6468a28a7b7d	551	V=axisx+i*axisunitx;
Wimpie	0:6468a28a7b7d	552
Wimpie	0:6468a28a7b7d	553	std::string s;
Wimpie	0:6468a28a7b7d	554	std::stringstream out;
Wimpie	0:6468a28a7b7d	555	out << V;
Wimpie	0:6468a28a7b7d	556	s = out.str();
Wimpie	0:6468a28a7b7d	557
Wimpie	0:6468a28a7b7d	558	if (B>10)
Wimpie	0:6468a28a7b7d	559	writeString(x0-4,0,"Hallo Pieter-Jan",TINYFONT,NORMAL,TRUE);
Wimpie	0:6468a28a7b7d	560	}
Wimpie	0:6468a28a7b7d	561	}*/
Wimpie	0:6468a28a7b7d	562
Wimpie	0:6468a28a7b7d	563	update();
Wimpie	0:6468a28a7b7d	564	}
Wimpie	0:6468a28a7b7d	565
Wimpie	0:6468a28a7b7d	566	/*
Wimpie	0:6468a28a7b7d	567	void PCD8544LCD::writeCharBig(BYTE x, BYTE y, BYTE ch, eDisplayMode mode) {
Wimpie	0:6468a28a7b7d	568	BYTE sendByte;
Wimpie	0:6468a28a7b7d	569
Wimpie	0:6468a28a7b7d	570	unsigned char* pFont = (unsigned char *) font_bignumber;
Wimpie	0:6468a28a7b7d	571
Wimpie	0:6468a28a7b7d	572	if ('.' == ch)
Wimpie	0:6468a28a7b7d	573	ch = 10;
Wimpie	0:6468a28a7b7d	574	else if ('+' == ch)
Wimpie	0:6468a28a7b7d	575	ch = 11;
Wimpie	0:6468a28a7b7d	576	else if ('-' == ch)
Wimpie	0:6468a28a7b7d	577	ch = 12;
Wimpie	0:6468a28a7b7d	578	else
Wimpie	0:6468a28a7b7d	579	ch = ch & 0x0f;
Wimpie	0:6468a28a7b7d	580
Wimpie	0:6468a28a7b7d	581	for (BYTE i = 0; i < 3; i++) {
Wimpie	0:6468a28a7b7d	582	locate(x, y + i);
Wimpie	0:6468a28a7b7d	583
Wimpie	0:6468a28a7b7d	584	for (BYTE j = 0; j < 16; j++) {
Wimpie	0:6468a28a7b7d	585	sendByte = (pFont + ch48 + i*16 + j);
Wimpie	0:6468a28a7b7d	586	writeData((mode == NORMAL)? sendByte : (sendByte^0xff));
Wimpie	0:6468a28a7b7d	587	}
Wimpie	0:6468a28a7b7d	588	}
Wimpie	0:6468a28a7b7d	589	}
Wimpie	0:6468a28a7b7d	590
Wimpie	0:6468a28a7b7d	591
Wimpie	0:6468a28a7b7d	592	void PCD8544LCD::writeStringBig(BYTE x0, BYTE y0, char* string, eDisplayMode mode, BYTE fupdate) {
Wimpie	0:6468a28a7b7d	593	while (*string) {
Wimpie	0:6468a28a7b7d	594	writeCharBig(x0, y0, *string , mode);
Wimpie	0:6468a28a7b7d	595
Wimpie	0:6468a28a7b7d	596	if ('.' == *string++)
Wimpie	0:6468a28a7b7d	597	x0 += 5;
Wimpie	0:6468a28a7b7d	598	else
Wimpie	0:6468a28a7b7d	599	x0 += 12;
Wimpie	0:6468a28a7b7d	600	}
Wimpie	0:6468a28a7b7d	601	}
Wimpie	0:6468a28a7b7d	602	*/

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

PCD8544LCD.cpp@0:6468a28a7b7d, 2011-04-17 (annotated)

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