N3310LCD - Code to interface mbed to a Nokia 3310 LCD using …

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Petras Saduikis / Mbed 2 deprecated N3310LCD

Code to interface mbed to a Nokia 3310 LCD using the Nokia 3310 LCD shield from nuelectronics. Includes joystick interface and demo.

Dependencies: mbed

N3310LCD.cpp@0:36fb749b83c7, 2009-12-07 (annotated)

Committer:: snatch59
Date:: Mon Dec 07 17:24:52 2009 +0000
Revision:: 0:36fb749b83c7

Who changed what in which revision?

User	Revision	Line number	New contents of line
snatch59	0:36fb749b83c7	1	/*
snatch59	0:36fb749b83c7	2	* N3310LCD. A program to interface mbed with the nuelectronics
snatch59	0:36fb749b83c7	3	* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from
snatch59	0:36fb749b83c7	4	* the nuelectronics Arduino code.
snatch59	0:36fb749b83c7	5	*
snatch59	0:36fb749b83c7	6	* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
snatch59	0:36fb749b83c7	7	*
snatch59	0:36fb749b83c7	8	* This file is part of N3310LCD.
snatch59	0:36fb749b83c7	9	*
snatch59	0:36fb749b83c7	10	* N3310LCD is free software: you can redistribute it and/or modify
snatch59	0:36fb749b83c7	11	* it under the terms of the GNU General Public License as published by
snatch59	0:36fb749b83c7	12	* the Free Software Foundation, either version 3 of the License, or
snatch59	0:36fb749b83c7	13	* (at your option) any later version.
snatch59	0:36fb749b83c7	14	*
snatch59	0:36fb749b83c7	15	* N3310LCD is distributed in the hope that it will be useful,
snatch59	0:36fb749b83c7	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
snatch59	0:36fb749b83c7	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
snatch59	0:36fb749b83c7	18	* GNU General Public License for more details.
snatch59	0:36fb749b83c7	19	*
snatch59	0:36fb749b83c7	20	* You should have received a copy of the GNU General Public License
snatch59	0:36fb749b83c7	21	* along with N3310LCD. If not, see <http://www.gnu.org/licenses/>.
snatch59	0:36fb749b83c7	22	*/
snatch59	0:36fb749b83c7	23
snatch59	0:36fb749b83c7	24	#include "N3310LCD.h"
snatch59	0:36fb749b83c7	25	#include "N3310Fonts.h"
snatch59	0:36fb749b83c7	26
snatch59	0:36fb749b83c7	27	N3310LCD::N3310LCD (PinName mosi, PinName miso, PinName sck,
snatch59	0:36fb749b83c7	28	PinName ce, PinName dat_cmd, PinName lcd_rst, PinName bl_on) :
snatch59	0:36fb749b83c7	29	lcdPort(mosi, miso, sck),
snatch59	0:36fb749b83c7	30	ceWire(ce), dcWire(dat_cmd), rstWire(lcd_rst), blWire(bl_on)
snatch59	0:36fb749b83c7	31	{
snatch59	0:36fb749b83c7	32	}
snatch59	0:36fb749b83c7	33
snatch59	0:36fb749b83c7	34	void N3310LCD::init()
snatch59	0:36fb749b83c7	35	{
snatch59	0:36fb749b83c7	36	// use default SPI format
snatch59	0:36fb749b83c7	37	lcdPort.format(8,0);
snatch59	0:36fb749b83c7	38	lcdPort.frequency(1000000);
snatch59	0:36fb749b83c7	39
snatch59	0:36fb749b83c7	40	// lcd reset
snatch59	0:36fb749b83c7	41	wait_ms(1);
snatch59	0:36fb749b83c7	42	rstWire = 0;
snatch59	0:36fb749b83c7	43	wait_ms(1);
snatch59	0:36fb749b83c7	44	rstWire = 1;
snatch59	0:36fb749b83c7	45
snatch59	0:36fb749b83c7	46	write(0x21, CMD);
snatch59	0:36fb749b83c7	47	write(0xc8, CMD);
snatch59	0:36fb749b83c7	48	write(0x06, CMD);
snatch59	0:36fb749b83c7	49	write(0x13, CMD);
snatch59	0:36fb749b83c7	50	write(0x20, CMD);
snatch59	0:36fb749b83c7	51	cls();
snatch59	0:36fb749b83c7	52	write(0x0c, CMD);
snatch59	0:36fb749b83c7	53	}
snatch59	0:36fb749b83c7	54
snatch59	0:36fb749b83c7	55	void N3310LCD::cls()
snatch59	0:36fb749b83c7	56	{
snatch59	0:36fb749b83c7	57	write(0x0c, CMD);
snatch59	0:36fb749b83c7	58	write(0x80, CMD);
snatch59	0:36fb749b83c7	59
snatch59	0:36fb749b83c7	60	for (int i = 0; i < 504; i++)
snatch59	0:36fb749b83c7	61	{
snatch59	0:36fb749b83c7	62	write(0, DATA);
snatch59	0:36fb749b83c7	63	}
snatch59	0:36fb749b83c7	64	}
snatch59	0:36fb749b83c7	65
snatch59	0:36fb749b83c7	66	void N3310LCD::backlight(eBacklight state)
snatch59	0:36fb749b83c7	67	{
snatch59	0:36fb749b83c7	68	// switch off/on back light
snatch59	0:36fb749b83c7	69	blWire = state;
snatch59	0:36fb749b83c7	70	}
snatch59	0:36fb749b83c7	71
snatch59	0:36fb749b83c7	72	void N3310LCD::write(BYTE data, eRequestType req_type)
snatch59	0:36fb749b83c7	73	{
snatch59	0:36fb749b83c7	74	// bring CS low for write
snatch59	0:36fb749b83c7	75	ceWire = 0;
snatch59	0:36fb749b83c7	76
snatch59	0:36fb749b83c7	77	if (CMD == req_type)
snatch59	0:36fb749b83c7	78	dcWire = 0;
snatch59	0:36fb749b83c7	79	else // DATA
snatch59	0:36fb749b83c7	80	dcWire = 1;
snatch59	0:36fb749b83c7	81
snatch59	0:36fb749b83c7	82	lcdPort.write(data);
snatch59	0:36fb749b83c7	83
snatch59	0:36fb749b83c7	84	// write finished
snatch59	0:36fb749b83c7	85	ceWire = 1;
snatch59	0:36fb749b83c7	86	}
snatch59	0:36fb749b83c7	87
snatch59	0:36fb749b83c7	88	void N3310LCD::locate(BYTE xPos, BYTE yPos)
snatch59	0:36fb749b83c7	89	{
snatch59	0:36fb749b83c7	90	write(0x40 \| yPos, CMD); // column
snatch59	0:36fb749b83c7	91	write(0x80 \| xPos, CMD); // row
snatch59	0:36fb749b83c7	92	}
snatch59	0:36fb749b83c7	93
snatch59	0:36fb749b83c7	94	void N3310LCD::drawBitmap(BYTE xPos, BYTE yPos, BYTE* bitmap, BYTE bmpXSize, BYTE bmpYSize)
snatch59	0:36fb749b83c7	95	{
snatch59	0:36fb749b83c7	96	BYTE row;
snatch59	0:36fb749b83c7	97
snatch59	0:36fb749b83c7	98	if (0 == bmpYSize % 8)
snatch59	0:36fb749b83c7	99	row = bmpYSize/8;
snatch59	0:36fb749b83c7	100	else
snatch59	0:36fb749b83c7	101	row = bmpYSize/8 + 1;
snatch59	0:36fb749b83c7	102
snatch59	0:36fb749b83c7	103	for (BYTE n = 0; n < row; n++)
snatch59	0:36fb749b83c7	104	{
snatch59	0:36fb749b83c7	105	locate(xPos, yPos);
snatch59	0:36fb749b83c7	106	for(BYTE i = 0; i < bmpXSize; i++)
snatch59	0:36fb749b83c7	107	{
snatch59	0:36fb749b83c7	108	write(bitmap[i + (n * bmpXSize)], DATA);
snatch59	0:36fb749b83c7	109	}
snatch59	0:36fb749b83c7	110	yPos++;
snatch59	0:36fb749b83c7	111	}
snatch59	0:36fb749b83c7	112	}
snatch59	0:36fb749b83c7	113
snatch59	0:36fb749b83c7	114	void N3310LCD::writeString(BYTE xPos, BYTE yPos, char* string, eDisplayMode mode)
snatch59	0:36fb749b83c7	115	{
snatch59	0:36fb749b83c7	116	locate(xPos, yPos);
snatch59	0:36fb749b83c7	117
snatch59	0:36fb749b83c7	118	while (*string)
snatch59	0:36fb749b83c7	119	{
snatch59	0:36fb749b83c7	120	writeChar(*string++, mode);
snatch59	0:36fb749b83c7	121	}
snatch59	0:36fb749b83c7	122	}
snatch59	0:36fb749b83c7	123
snatch59	0:36fb749b83c7	124	void N3310LCD::writeStringBig(BYTE xPos, BYTE yPos, char* string, eDisplayMode mode)
snatch59	0:36fb749b83c7	125	{
snatch59	0:36fb749b83c7	126	while (*string)
snatch59	0:36fb749b83c7	127	{
snatch59	0:36fb749b83c7	128	writeCharBig(xPos, yPos, *string , mode);
snatch59	0:36fb749b83c7	129
snatch59	0:36fb749b83c7	130	if('.' == *string++)
snatch59	0:36fb749b83c7	131	xPos += 5;
snatch59	0:36fb749b83c7	132	else
snatch59	0:36fb749b83c7	133	xPos += 12;
snatch59	0:36fb749b83c7	134	}
snatch59	0:36fb749b83c7	135	}
snatch59	0:36fb749b83c7	136
snatch59	0:36fb749b83c7	137	void N3310LCD::writeChar(BYTE ch, eDisplayMode mode)
snatch59	0:36fb749b83c7	138	{
snatch59	0:36fb749b83c7	139	BYTE sendByte;
snatch59	0:36fb749b83c7	140
snatch59	0:36fb749b83c7	141	unsigned char* pFont = (unsigned char*)font6_8;
snatch59	0:36fb749b83c7	142	ch -= 32;
snatch59	0:36fb749b83c7	143
snatch59	0:36fb749b83c7	144	for (BYTE line = 0; line < 6; line++)
snatch59	0:36fb749b83c7	145	{
snatch59	0:36fb749b83c7	146	sendByte = (pFont + ch6 + line);
snatch59	0:36fb749b83c7	147	write((mode == NORMAL)? sendByte: (sendByte ^ 0xff) , DATA);
snatch59	0:36fb749b83c7	148	}
snatch59	0:36fb749b83c7	149	}
snatch59	0:36fb749b83c7	150
snatch59	0:36fb749b83c7	151	void N3310LCD::writeCharBig(BYTE xPos, BYTE yPos, BYTE ch, eDisplayMode mode)
snatch59	0:36fb749b83c7	152	{
snatch59	0:36fb749b83c7	153	BYTE sendByte;
snatch59	0:36fb749b83c7	154
snatch59	0:36fb749b83c7	155	unsigned char* pFont = (unsigned char *) big_number;
snatch59	0:36fb749b83c7	156
snatch59	0:36fb749b83c7	157	if('.' == ch)
snatch59	0:36fb749b83c7	158	ch = 10;
snatch59	0:36fb749b83c7	159	else if ('+' == ch)
snatch59	0:36fb749b83c7	160	ch = 11;
snatch59	0:36fb749b83c7	161	else if ('-' == ch)
snatch59	0:36fb749b83c7	162	ch = 12;
snatch59	0:36fb749b83c7	163	else
snatch59	0:36fb749b83c7	164	ch = ch & 0x0f;
snatch59	0:36fb749b83c7	165
snatch59	0:36fb749b83c7	166	for(BYTE i = 0; i < 3; i++)
snatch59	0:36fb749b83c7	167	{
snatch59	0:36fb749b83c7	168	locate(xPos, yPos + i);
snatch59	0:36fb749b83c7	169
snatch59	0:36fb749b83c7	170	for(BYTE j = 0; j < 16; j++)
snatch59	0:36fb749b83c7	171	{
snatch59	0:36fb749b83c7	172	sendByte = (pFont + ch48 + i*16 + j);
snatch59	0:36fb749b83c7	173	write((mode == NORMAL)? sendByte : (sendByte^0xff), DATA);
snatch59	0:36fb749b83c7	174	}
snatch59	0:36fb749b83c7	175	}
snatch59	0:36fb749b83c7	176	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	07 Dec 2009
Imports:	97
Forks:	1
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	3

N3310LCD.cpp@0:36fb749b83c7, 2009-12-07 (annotated)

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