MARMEX_OB_oled__HelloWorld - A class library for OLED on MARMEX_OB board. MAR…

Users » nxpfan » Code » MARMEX_OB_oled__HelloWorld

NXP fan (in Japan) / Mbed 2 deprecated MARMEX_OB_oled__HelloWorld

A class library for OLED on MARMEX_OB board. MARY拡張のMARMEX_OB基板のOLEDをmbed+MAPLE基板で動かすためのライブラリです．このサンプルではMAPLEに用意されているMARMEXスロットの1番に搭載したOLEDを制御するようになっています．詳細はCode&APIからソースやAPI詳細をご覧ください

Dependencies: mbed NokiaLCD

MARMEX_OB_oled.h@0:a19b70a76e66, 2011-04-07 (annotated)

Committer:: nxpfan
Date:: Thu Apr 07 07:39:06 2011 +0000
Revision:: 0:a19b70a76e66
Child:: 1:a0ac2743f855

Who changed what in which revision?

User	Revision	Line number	New contents of line
nxpfan	0:a19b70a76e66	1	/** MARMEX_OB OLED screen drawing library
nxpfan	0:a19b70a76e66	2	*
nxpfan	0:a19b70a76e66	3	* @class MARMEX_OB_oled
nxpfan	0:a19b70a76e66	4	* @author tedd
nxpfan	0:a19b70a76e66	5	* @version 0.5
nxpfan	0:a19b70a76e66	6	* @date 07-Apr-2011
nxpfan	0:a19b70a76e66	7	*
nxpfan	0:a19b70a76e66	8	* Released under the MIT License: http://mbed.org/license/mit
nxpfan	0:a19b70a76e66	9	*
nxpfan	0:a19b70a76e66	10	* MARMEX_OB_oled OLED screen drawing library for mbed
nxpfan	0:a19b70a76e66	11	* This code has been written based on sample code and advises
nxpfan	0:a19b70a76e66	12	* from Ochiai-san (Marutsu-Elec). Thank you!
nxpfan	0:a19b70a76e66	13	*
nxpfan	0:a19b70a76e66	14	* SPI mode:
nxpfan	0:a19b70a76e66	15	* 9bit or 8bit SPI mode can be selected by disabling/enabling "#define MARMEX_OB_SPI_8BIT_MODE".
nxpfan	0:a19b70a76e66	16	* See source code in this (MARMEX_OB_oled.h) file.
nxpfan	0:a19b70a76e66	17	*/
nxpfan	0:a19b70a76e66	18
nxpfan	0:a19b70a76e66	19	#ifndef MBED_MARMEX_OB_OLED
nxpfan	0:a19b70a76e66	20	#define MBED_MARMEX_OB_OLED
nxpfan	0:a19b70a76e66	21
nxpfan	0:a19b70a76e66	22	#include "mbed.h"
nxpfan	0:a19b70a76e66	23	#include "NokiaLCD.h"
nxpfan	0:a19b70a76e66	24
nxpfan	0:a19b70a76e66	25	/** @def MARMEX_OB_SPI_8BIT_MODE
nxpfan	0:a19b70a76e66	26	*
nxpfan	0:a19b70a76e66	27	* MARMEX_OB_oled_oled OLED screen SPI access length setting
nxpfan	0:a19b70a76e66	28	* Enabling "MARMEX_OB_SPI_8BIT_MODE" makes 9bit SPI access by 8bit * 2 times.
nxpfan	0:a19b70a76e66	29	* This may be useful if other 8bit access SPI device on same SPI bus.
nxpfan	0:a19b70a76e66	30	*
nxpfan	0:a19b70a76e66	31	* If disabled (just coment out the "#define MARMEX_OB_SPI_8BIT_MODE"), SPI access willbe done by 9 bit format.
nxpfan	0:a19b70a76e66	32	*/
nxpfan	0:a19b70a76e66	33	//#define MARMEX_OB_SPI_8BIT_MODE
nxpfan	0:a19b70a76e66	34
nxpfan	0:a19b70a76e66	35	/** MARMEX_OB_oled OLED screen drawing class
nxpfan	0:a19b70a76e66	36	*
nxpfan	0:a19b70a76e66	37	* This is a driver code for MARMEX_OB_oled board OLED screen.
nxpfan	0:a19b70a76e66	38	* This class inherits NokiaLCD class of mbed.org.
nxpfan	0:a19b70a76e66	39	* To use this class, import the NokiaLCD class from here..
nxpfan	0:a19b70a76e66	40	* http://mbed.org/users/simon/libraries/NokiaLCD/
nxpfan	0:a19b70a76e66	41	*
nxpfan	0:a19b70a76e66	42	* Example:
nxpfan	0:a19b70a76e66	43	* @code
nxpfan	0:a19b70a76e66	44	* #include "mbed.h"
nxpfan	0:a19b70a76e66	45	* #include "MARMEX_OB_oled.h"
nxpfan	0:a19b70a76e66	46	*
nxpfan	0:a19b70a76e66	47	* // oled1 is for MARMEX_OB_oled board on MAPLE slot 1
nxpfan	0:a19b70a76e66	48	* // oled2 is for MARMEX_OB_oled board on MAPLE slot 2
nxpfan	0:a19b70a76e66	49	*
nxpfan	0:a19b70a76e66	50	* //MARMEX_OB_oled oled1( p5, p7, p8, p30, p11 ); // mosi, sclk, cs, rst, power_control
nxpfan	0:a19b70a76e66	51	* MARMEX_OB_oled oled2( p5, p7, p26, p21, p17 ); // mosi, sclk, cs, rst, power_control
nxpfan	0:a19b70a76e66	52	*
nxpfan	0:a19b70a76e66	53	* int main() {
nxpfan	0:a19b70a76e66	54	* oled2.background( 0x000000 );
nxpfan	0:a19b70a76e66	55	* oled2.cls();
nxpfan	0:a19b70a76e66	56	*
nxpfan	0:a19b70a76e66	57	* for ( int i = 0; i < 8; i++ )
nxpfan	0:a19b70a76e66	58	* oled2.fill( (MARMEX_OB_oled::WIDTH / 8) * i, 0, (MARMEX_OB_oled::WIDTH / 8), 128, ((i & 0x4) ? 0xFF0000 : 0x000000) \| ((i & 0x2) ? 0x00FF00 : 0x000000) \|((i & 0x1) ? 0x0000FF : 0x000000) );
nxpfan	0:a19b70a76e66	59	*
nxpfan	0:a19b70a76e66	60	* oled2.fill( 50, 50, 64, 64, 0xCCCCCC );
nxpfan	0:a19b70a76e66	61	*
nxpfan	0:a19b70a76e66	62	* oled2.locate( 0, 3 );
nxpfan	0:a19b70a76e66	63	* oled2.printf( "Hello World!" );
nxpfan	0:a19b70a76e66	64	* oled2.locate( 0, 4 );
nxpfan	0:a19b70a76e66	65	* oled2.printf( "SPI = %s", MERMEX_OB_SPI_MODE_STR );
nxpfan	0:a19b70a76e66	66	*
nxpfan	0:a19b70a76e66	67	* for (int i = 0; i < MARMEX_OB_oled::WIDTH; i++ ) {
nxpfan	0:a19b70a76e66	68	* oled2.pixel( i, 80 + sin( (float)i / 5.0 ) * 10, 0x000000 );
nxpfan	0:a19b70a76e66	69	* }
nxpfan	0:a19b70a76e66	70	* }
nxpfan	0:a19b70a76e66	71	* @endcode
nxpfan	0:a19b70a76e66	72	*/
nxpfan	0:a19b70a76e66	73
nxpfan	0:a19b70a76e66	74	class MARMEX_OB_oled : public NokiaLCD {
nxpfan	0:a19b70a76e66	75
nxpfan	0:a19b70a76e66	76	public:
nxpfan	0:a19b70a76e66	77
nxpfan	0:a19b70a76e66	78	/** General parameters for MARMEX_OB_oled */
nxpfan	0:a19b70a76e66	79	enum {
nxpfan	0:a19b70a76e66	80	ROWS = 15, /*< # of rows (lines) for displaying characters /
nxpfan	0:a19b70a76e66	81	COLS = 16, /*< # of columns (width) for displaying characters /
nxpfan	0:a19b70a76e66	82	WIDTH = 128, /*< screen width [pixels] /
nxpfan	0:a19b70a76e66	83	HEIGHT = 128, /*< screen height [pixels] /
nxpfan	0:a19b70a76e66	84	SPI_FREQUENCY = 20000000 /*< SPI (sclk) SPI_FREQUENCY /
nxpfan	0:a19b70a76e66	85	};
nxpfan	0:a19b70a76e66	86
nxpfan	0:a19b70a76e66	87	/** Constants for power() function */
nxpfan	0:a19b70a76e66	88	enum {
nxpfan	0:a19b70a76e66	89	OFF = 0, /*< : to turning-OFF /
nxpfan	0:a19b70a76e66	90	ON /*< : to turning-ON /
nxpfan	0:a19b70a76e66	91	};
nxpfan	0:a19b70a76e66	92
nxpfan	0:a19b70a76e66	93	/** Create a MARMEX_OB_oled object connected to specified SPI and DigitalOut pins
nxpfan	0:a19b70a76e66	94	*
nxpfan	0:a19b70a76e66	95	* @param mosi SPI-MOSI pin (for MAPLE board, use p5)
nxpfan	0:a19b70a76e66	96	* @param sclk SPI-SCLK pin (for MAPLE board, use p8)
nxpfan	0:a19b70a76e66	97	* @param cs chip select signal (for MAPLE board, use p8(slot1), p26(slot2))
nxpfan	0:a19b70a76e66	98	* @param rst reset signal (for MAPLE board, use p30(slot1), p21(slot2))
nxpfan	0:a19b70a76e66	99	* @param power_pin backlight power control signal (for MAPLE board, use p11(slot1), p17(slot2))
nxpfan	0:a19b70a76e66	100	*
nxpfan	0:a19b70a76e66	101	* Example of MARMEX_OB_oled on MAPLE board:
nxpfan	0:a19b70a76e66	102	* @code
nxpfan	0:a19b70a76e66	103	* #include "mbed.h"
nxpfan	0:a19b70a76e66	104	* #include "MARMEX_OB_oled.h"
nxpfan	0:a19b70a76e66	105	*
nxpfan	0:a19b70a76e66	106	* MARMEX_OB_oled oled_on_maple_slot1( p5, p7, p8, p30, p11 ); // mosi, sclk, cs, rst, power_control
nxpfan	0:a19b70a76e66	107	* MARMEX_OB_oled oled_on_maple_slot2( p5, p7, p26, p21, p17 ); // mosi, sclk, cs, rst, power_control
nxpfan	0:a19b70a76e66	108	* ...
nxpfan	0:a19b70a76e66	109	* ..
nxpfan	0:a19b70a76e66	110	* @endcode
nxpfan	0:a19b70a76e66	111	*/
nxpfan	0:a19b70a76e66	112
nxpfan	0:a19b70a76e66	113	MARMEX_OB_oled( PinName mosi, PinName sclk, PinName cs, PinName rst, PinName power_pin ) : NokiaLCD( mosi, sclk, cs, rst, NokiaLCD::LCD6100 ), _power_pin( power_pin ) {
nxpfan	0:a19b70a76e66	114	power( ON );
nxpfan	0:a19b70a76e66	115	reset();
nxpfan	0:a19b70a76e66	116	}
nxpfan	0:a19b70a76e66	117
nxpfan	0:a19b70a76e66	118	#if DOXYGEN_ONLY
nxpfan	0:a19b70a76e66	119	/** Write a character to the LCD
nxpfan	0:a19b70a76e66	120	*
nxpfan	0:a19b70a76e66	121	* @param c The character to write to the display
nxpfan	0:a19b70a76e66	122	*/
nxpfan	0:a19b70a76e66	123	int putc( int c );
nxpfan	0:a19b70a76e66	124
nxpfan	0:a19b70a76e66	125	/** Write a formated string to the LCD
nxpfan	0:a19b70a76e66	126	*
nxpfan	0:a19b70a76e66	127	* @param format A printf-style format string, followed by the
nxpfan	0:a19b70a76e66	128	* variables to use in formating the string.
nxpfan	0:a19b70a76e66	129	*
nxpfan	0:a19b70a76e66	130	* !!! 16th character in the string will be disappeared
nxpfan	0:a19b70a76e66	131	* !!! This problem is due to difference of screen size NokiaLCD library and its internal mechanism...
nxpfan	0:a19b70a76e66	132	*/
nxpfan	0:a19b70a76e66	133	int printf( const char* format, ... );
nxpfan	0:a19b70a76e66	134
nxpfan	0:a19b70a76e66	135	/** Set the foreground colour
nxpfan	0:a19b70a76e66	136	*
nxpfan	0:a19b70a76e66	137	* @param c 24-bit colour
nxpfan	0:a19b70a76e66	138	*/
nxpfan	0:a19b70a76e66	139	void foreground(int c);
nxpfan	0:a19b70a76e66	140
nxpfan	0:a19b70a76e66	141	/** Set the background colour
nxpfan	0:a19b70a76e66	142	*
nxpfan	0:a19b70a76e66	143	* @param c 24-bit colour
nxpfan	0:a19b70a76e66	144	*/
nxpfan	0:a19b70a76e66	145	void background(int c);
nxpfan	0:a19b70a76e66	146
nxpfan	0:a19b70a76e66	147	#endif
nxpfan	0:a19b70a76e66	148
nxpfan	0:a19b70a76e66	149	/** reset MARMEX_OB_oled
nxpfan	0:a19b70a76e66	150	*
nxpfan	0:a19b70a76e66	151	* Executes hardware reset and initialize.
nxpfan	0:a19b70a76e66	152	* See MARMEX_OB_oled manual for the initialization sequence and values
nxpfan	0:a19b70a76e66	153	* For gamma correction table, using math function to make the code simple
nxpfan	0:a19b70a76e66	154	*/
nxpfan	0:a19b70a76e66	155
nxpfan	0:a19b70a76e66	156	void reset( void ) {
nxpfan	0:a19b70a76e66	157
nxpfan	0:a19b70a76e66	158	#define GAMMA_LUT_SIZE 63
nxpfan	0:a19b70a76e66	159	unsigned char gamma_LUT[ GAMMA_LUT_SIZE ];
nxpfan	0:a19b70a76e66	160
nxpfan	0:a19b70a76e66	161	for ( int i = 0; i < GAMMA_LUT_SIZE; i++ )
nxpfan	0:a19b70a76e66	162	gamma_LUT[ i ] = (unsigned char)(powf( ((float)i / 62.0), (1.0 / 0.58) ) * 178.0 + 2.0);
nxpfan	0:a19b70a76e66	163
nxpfan	0:a19b70a76e66	164	// setup the SPI interface and bring display out of reset
nxpfan	0:a19b70a76e66	165	_cs = 1;
nxpfan	0:a19b70a76e66	166	_rst = 0;
nxpfan	0:a19b70a76e66	167	#ifdef MARMEX_OB_SPI_8BIT_MODE
nxpfan	0:a19b70a76e66	168	_spi.format( 8 );
nxpfan	0:a19b70a76e66	169	#else
nxpfan	0:a19b70a76e66	170	_spi.format( 9 );
nxpfan	0:a19b70a76e66	171	#endif
nxpfan	0:a19b70a76e66	172
nxpfan	0:a19b70a76e66	173	_spi.frequency( SPI_FREQUENCY );
nxpfan	0:a19b70a76e66	174	wait_ms( 1 );
nxpfan	0:a19b70a76e66	175	_rst = 1;
nxpfan	0:a19b70a76e66	176	wait_ms( 1 );
nxpfan	0:a19b70a76e66	177
nxpfan	0:a19b70a76e66	178	_cs = 0;
nxpfan	0:a19b70a76e66	179
nxpfan	0:a19b70a76e66	180	command( SET_DISPLAY_MODE_ALL_OFF );
nxpfan	0:a19b70a76e66	181	command( SET_COMMAND_LOCK );
nxpfan	0:a19b70a76e66	182	data( 0x12 );
nxpfan	0:a19b70a76e66	183
nxpfan	0:a19b70a76e66	184	command( SET_COMMAND_LOCK );
nxpfan	0:a19b70a76e66	185	data( 0xb1 );
nxpfan	0:a19b70a76e66	186
nxpfan	0:a19b70a76e66	187	command( SET_SLEEP_MODE_ON );
nxpfan	0:a19b70a76e66	188
nxpfan	0:a19b70a76e66	189	command( FRONT_CLOCK_DRIVER_OSC_FREQ );
nxpfan	0:a19b70a76e66	190	data( 0xF1 );
nxpfan	0:a19b70a76e66	191
nxpfan	0:a19b70a76e66	192	command( SET_MUX_RATIO );
nxpfan	0:a19b70a76e66	193	data( 0x7F );
nxpfan	0:a19b70a76e66	194
nxpfan	0:a19b70a76e66	195	command( SET_DISPAY_OFFSET );
nxpfan	0:a19b70a76e66	196	data( 0x00 );
nxpfan	0:a19b70a76e66	197
nxpfan	0:a19b70a76e66	198	command( SET_DISPAY_START_LINE );
nxpfan	0:a19b70a76e66	199	data( 0x00 );
nxpfan	0:a19b70a76e66	200
nxpfan	0:a19b70a76e66	201	command( SET_REMAP_COLOR_DEPTH );
nxpfan	0:a19b70a76e66	202	data( 0x74 );
nxpfan	0:a19b70a76e66	203
nxpfan	0:a19b70a76e66	204	command( SET_GPIO );
nxpfan	0:a19b70a76e66	205	data( 0x00);
nxpfan	0:a19b70a76e66	206
nxpfan	0:a19b70a76e66	207	command( FUNCTION_SELECTION );
nxpfan	0:a19b70a76e66	208	data( 0x01 );
nxpfan	0:a19b70a76e66	209
nxpfan	0:a19b70a76e66	210	command( SET_SEGMENT_LOW_VOLTAGE );
nxpfan	0:a19b70a76e66	211	data( 0xA0 );
nxpfan	0:a19b70a76e66	212	data( 0xB5 );
nxpfan	0:a19b70a76e66	213	data( 0x55 );
nxpfan	0:a19b70a76e66	214
nxpfan	0:a19b70a76e66	215	command( SET_CONTRAST_CURRENT_FOR_COLOR_ABC );
nxpfan	0:a19b70a76e66	216	data( 0xC8 );
nxpfan	0:a19b70a76e66	217	data( 0x80 );
nxpfan	0:a19b70a76e66	218	data( 0xC8 );
nxpfan	0:a19b70a76e66	219
nxpfan	0:a19b70a76e66	220	command( MASTER_CONTRAST_CURRENT_CONTROL );
nxpfan	0:a19b70a76e66	221	data( 0x0F );
nxpfan	0:a19b70a76e66	222
nxpfan	0:a19b70a76e66	223	command( LOOKUP_TABLE_FOR_GRAYSCALE_PULSE_WIDTH );
nxpfan	0:a19b70a76e66	224	for ( int i = 0; i < GAMMA_LUT_SIZE; i++ )
nxpfan	0:a19b70a76e66	225	data( gamma_LUT[ i ] );
nxpfan	0:a19b70a76e66	226
nxpfan	0:a19b70a76e66	227	command( SET_RESET_PRECHARGE_PERIOD );
nxpfan	0:a19b70a76e66	228	data( 0x32 );
nxpfan	0:a19b70a76e66	229
nxpfan	0:a19b70a76e66	230	command( ENHANCE_DRIVING_SCHEME_CAPABILITY );
nxpfan	0:a19b70a76e66	231	data( 0x04 );
nxpfan	0:a19b70a76e66	232	data( 0x00 );
nxpfan	0:a19b70a76e66	233	data( 0x00 );
nxpfan	0:a19b70a76e66	234
nxpfan	0:a19b70a76e66	235	command( SET_PRECHARGE_VOLTAGE );
nxpfan	0:a19b70a76e66	236	data( 0x17 );
nxpfan	0:a19b70a76e66	237
nxpfan	0:a19b70a76e66	238	command( SET_SECOND_PRECHARGE_VOLTAGE );
nxpfan	0:a19b70a76e66	239	data( 0x01 );
nxpfan	0:a19b70a76e66	240
nxpfan	0:a19b70a76e66	241	command( SET_VCOMH_VOLTAGE );
nxpfan	0:a19b70a76e66	242	data( 0x05 );
nxpfan	0:a19b70a76e66	243
nxpfan	0:a19b70a76e66	244	command( SET_DISPLAY_MODE_RESET );
nxpfan	0:a19b70a76e66	245
nxpfan	0:a19b70a76e66	246	#if 0
nxpfan	0:a19b70a76e66	247	command( SET_COLUMN_ADDRESS );
nxpfan	0:a19b70a76e66	248	data( 0x00 );
nxpfan	0:a19b70a76e66	249	data( 0x7F );
nxpfan	0:a19b70a76e66	250
nxpfan	0:a19b70a76e66	251	command( SET_ROW_ADDRESS );
nxpfan	0:a19b70a76e66	252	data( 0x00 );
nxpfan	0:a19b70a76e66	253	data( 0x7F);
nxpfan	0:a19b70a76e66	254
nxpfan	0:a19b70a76e66	255	command( WRITE_RAM_COMMAND );
nxpfan	0:a19b70a76e66	256	for ( int i = 0; i < WIDTH * HEIGHT; i++ )
nxpfan	0:a19b70a76e66	257	data( 0x00 );
nxpfan	0:a19b70a76e66	258	#endif
nxpfan	0:a19b70a76e66	259	_cs = 1;
nxpfan	0:a19b70a76e66	260
nxpfan	0:a19b70a76e66	261	cls();
nxpfan	0:a19b70a76e66	262	wait_ms( 200 );
nxpfan	0:a19b70a76e66	263
nxpfan	0:a19b70a76e66	264	command( SET_SLEEP_MODE_OFF );
nxpfan	0:a19b70a76e66	265	}
nxpfan	0:a19b70a76e66	266
nxpfan	0:a19b70a76e66	267	/** Clear the screen and locate to 0,0 */
nxpfan	0:a19b70a76e66	268
nxpfan	0:a19b70a76e66	269	void cls( void ) {
nxpfan	0:a19b70a76e66	270	fill( 0, 0, WIDTH , HEIGHT, _background );
nxpfan	0:a19b70a76e66	271	_row = 0;
nxpfan	0:a19b70a76e66	272	_column = 0;
nxpfan	0:a19b70a76e66	273	}
nxpfan	0:a19b70a76e66	274
nxpfan	0:a19b70a76e66	275	/** Set a pixel on te screen
nxpfan	0:a19b70a76e66	276	*
nxpfan	0:a19b70a76e66	277	* @param x horizontal position from left
nxpfan	0:a19b70a76e66	278	* @param y vertical position from top
nxpfan	0:a19b70a76e66	279	* @param colour 24-bit colour in format 0x00RRGGBB
nxpfan	0:a19b70a76e66	280	*/
nxpfan	0:a19b70a76e66	281
nxpfan	0:a19b70a76e66	282	virtual void pixel( int x, int y, int colour ) {
nxpfan	0:a19b70a76e66	283	_cs = 0;
nxpfan	0:a19b70a76e66	284	_window( x, y, 1, 1 );
nxpfan	0:a19b70a76e66	285	_putp( colour );
nxpfan	0:a19b70a76e66	286	_cs = 1;
nxpfan	0:a19b70a76e66	287	}
nxpfan	0:a19b70a76e66	288
nxpfan	0:a19b70a76e66	289	/** Fill an area of the screen
nxpfan	0:a19b70a76e66	290	*
nxpfan	0:a19b70a76e66	291	* @param x horizontal position from left
nxpfan	0:a19b70a76e66	292	* @param y vertical position from top
nxpfan	0:a19b70a76e66	293	* @param width width in pixels
nxpfan	0:a19b70a76e66	294	* @param height height in pixels
nxpfan	0:a19b70a76e66	295	* @param colour 24-bit colour in format 0x00RRGGBB
nxpfan	0:a19b70a76e66	296	*/
nxpfan	0:a19b70a76e66	297
nxpfan	0:a19b70a76e66	298	void fill( int x, int y, int width, int height, int colour ) {
nxpfan	0:a19b70a76e66	299	_cs = 0;
nxpfan	0:a19b70a76e66	300	_window( x, y, width, height );
nxpfan	0:a19b70a76e66	301
nxpfan	0:a19b70a76e66	302	for (int i = 0; i < width * height; i++ ) {
nxpfan	0:a19b70a76e66	303	_putp( colour );
nxpfan	0:a19b70a76e66	304	}
nxpfan	0:a19b70a76e66	305
nxpfan	0:a19b70a76e66	306	_window( 0, 0, WIDTH, HEIGHT );
nxpfan	0:a19b70a76e66	307	_cs = 1;
nxpfan	0:a19b70a76e66	308	}
nxpfan	0:a19b70a76e66	309
nxpfan	0:a19b70a76e66	310	void blit( int x, int y, int width, int height, const int* colour ) {
nxpfan	0:a19b70a76e66	311	_cs = 0;
nxpfan	0:a19b70a76e66	312	_window( x, y, width, height );
nxpfan	0:a19b70a76e66	313
nxpfan	0:a19b70a76e66	314	for (int i = 0; i < width * height; i++ ) {
nxpfan	0:a19b70a76e66	315	_putp( colour[i] );
nxpfan	0:a19b70a76e66	316	}
nxpfan	0:a19b70a76e66	317	_window( 0, 0, WIDTH, HEIGHT );
nxpfan	0:a19b70a76e66	318	_cs = 1;
nxpfan	0:a19b70a76e66	319	}
nxpfan	0:a19b70a76e66	320
nxpfan	0:a19b70a76e66	321	void bitblit( int x, int y, int width, int height, const char* bitstream ) {
nxpfan	0:a19b70a76e66	322	_cs = 0;
nxpfan	0:a19b70a76e66	323	_window( x, y, width, height );
nxpfan	0:a19b70a76e66	324
nxpfan	0:a19b70a76e66	325	for (int i = 0; i < height * width; i++ ) {
nxpfan	0:a19b70a76e66	326	int byte = i / 8;
nxpfan	0:a19b70a76e66	327	int bit = i % 8;
nxpfan	0:a19b70a76e66	328	int colour = ((bitstream[ byte ] << bit) & 0x80) ? _foreground : _background;
nxpfan	0:a19b70a76e66	329	_putp( colour );
nxpfan	0:a19b70a76e66	330	}
nxpfan	0:a19b70a76e66	331	_window( 0, 0, _width, _height );
nxpfan	0:a19b70a76e66	332	_cs = 1;
nxpfan	0:a19b70a76e66	333	}
nxpfan	0:a19b70a76e66	334
nxpfan	0:a19b70a76e66	335	/** Screen width
nxpfan	0:a19b70a76e66	336	*
nxpfan	0:a19b70a76e66	337	* @return screen width [pixel]
nxpfan	0:a19b70a76e66	338	*/
nxpfan	0:a19b70a76e66	339	int width() {
nxpfan	0:a19b70a76e66	340	return WIDTH;
nxpfan	0:a19b70a76e66	341	}
nxpfan	0:a19b70a76e66	342
nxpfan	0:a19b70a76e66	343	/** Screen height
nxpfan	0:a19b70a76e66	344	*
nxpfan	0:a19b70a76e66	345	* @return screen height [pixel]
nxpfan	0:a19b70a76e66	346	*/
nxpfan	0:a19b70a76e66	347	int height() {
nxpfan	0:a19b70a76e66	348	return HEIGHT;
nxpfan	0:a19b70a76e66	349	}
nxpfan	0:a19b70a76e66	350	/** Columns
nxpfan	0:a19b70a76e66	351	*
nxpfan	0:a19b70a76e66	352	* @return screen columns
nxpfan	0:a19b70a76e66	353	*/
nxpfan	0:a19b70a76e66	354	int columns() {
nxpfan	0:a19b70a76e66	355	return COLS;
nxpfan	0:a19b70a76e66	356	}
nxpfan	0:a19b70a76e66	357
nxpfan	0:a19b70a76e66	358	/** Rows
nxpfan	0:a19b70a76e66	359	*
nxpfan	0:a19b70a76e66	360	* @return screen rows
nxpfan	0:a19b70a76e66	361	*/
nxpfan	0:a19b70a76e66	362	int rows() {
nxpfan	0:a19b70a76e66	363	return ROWS;
nxpfan	0:a19b70a76e66	364	}
nxpfan	0:a19b70a76e66	365
nxpfan	0:a19b70a76e66	366	/** Power switch for OLED backlight
nxpfan	0:a19b70a76e66	367	*
nxpfan	0:a19b70a76e66	368	* @param sw argument can be MARMEX_OB_oled::ON or MARMEX_OB_oled::OFF
nxpfan	0:a19b70a76e66	369	*/
nxpfan	0:a19b70a76e66	370
nxpfan	0:a19b70a76e66	371	void power( unsigned char sw ) {
nxpfan	0:a19b70a76e66	372	_power_pin = sw;
nxpfan	0:a19b70a76e66	373	}
nxpfan	0:a19b70a76e66	374
nxpfan	0:a19b70a76e66	375	private:
nxpfan	0:a19b70a76e66	376	/** Command list for the OLED controller */
nxpfan	0:a19b70a76e66	377	enum {
nxpfan	0:a19b70a76e66	378	SET_DISPLAY_MODE_ALL_OFF = 0xA4,
nxpfan	0:a19b70a76e66	379	SET_COMMAND_LOCK = 0xFD,
nxpfan	0:a19b70a76e66	380	SET_SLEEP_MODE_ON = 0xAE,
nxpfan	0:a19b70a76e66	381	FRONT_CLOCK_DRIVER_OSC_FREQ = 0xB3,
nxpfan	0:a19b70a76e66	382	SET_MUX_RATIO = 0xCA,
nxpfan	0:a19b70a76e66	383	SET_DISPAY_OFFSET = 0xA2,
nxpfan	0:a19b70a76e66	384	SET_DISPAY_START_LINE = 0xA1,
nxpfan	0:a19b70a76e66	385	SET_REMAP_COLOR_DEPTH = 0xA0,
nxpfan	0:a19b70a76e66	386	SET_GPIO = 0xB5,
nxpfan	0:a19b70a76e66	387	FUNCTION_SELECTION = 0xAB,
nxpfan	0:a19b70a76e66	388	SET_SEGMENT_LOW_VOLTAGE = 0xB4,
nxpfan	0:a19b70a76e66	389	SET_CONTRAST_CURRENT_FOR_COLOR_ABC = 0xC1,
nxpfan	0:a19b70a76e66	390	MASTER_CONTRAST_CURRENT_CONTROL = 0xC7,
nxpfan	0:a19b70a76e66	391	LOOKUP_TABLE_FOR_GRAYSCALE_PULSE_WIDTH = 0xB8,
nxpfan	0:a19b70a76e66	392	SET_RESET_PRECHARGE_PERIOD = 0xB1,
nxpfan	0:a19b70a76e66	393	ENHANCE_DRIVING_SCHEME_CAPABILITY = 0xB2,
nxpfan	0:a19b70a76e66	394	SET_PRECHARGE_VOLTAGE = 0xBB,
nxpfan	0:a19b70a76e66	395	SET_SECOND_PRECHARGE_VOLTAGE = 0xB6,
nxpfan	0:a19b70a76e66	396	SET_VCOMH_VOLTAGE = 0xBE,
nxpfan	0:a19b70a76e66	397	SET_DISPLAY_MODE_RESET = 0xA6,
nxpfan	0:a19b70a76e66	398	SET_COLUMN_ADDRESS = 0x15,
nxpfan	0:a19b70a76e66	399	SET_ROW_ADDRESS = 0x75,
nxpfan	0:a19b70a76e66	400	WRITE_RAM_COMMAND = 0x5C,
nxpfan	0:a19b70a76e66	401	SET_SLEEP_MODE_OFF = 0xAF
nxpfan	0:a19b70a76e66	402	};
nxpfan	0:a19b70a76e66	403
nxpfan	0:a19b70a76e66	404	#ifdef MARMEX_OB_SPI_8BIT_MODE
nxpfan	0:a19b70a76e66	405	void command( int value ) {
nxpfan	0:a19b70a76e66	406	int tmp = value & 0x00ff;
nxpfan	0:a19b70a76e66	407	_cs = 0;
nxpfan	0:a19b70a76e66	408	_spi.write( tmp >> 1 );
nxpfan	0:a19b70a76e66	409	_spi.write( tmp << 7 );
nxpfan	0:a19b70a76e66	410	_cs = 1;
nxpfan	0:a19b70a76e66	411	}
nxpfan	0:a19b70a76e66	412
nxpfan	0:a19b70a76e66	413	void data( int value ) {
nxpfan	0:a19b70a76e66	414	int tmp = value & 0x00ff;
nxpfan	0:a19b70a76e66	415	tmp \|= 0x0100;
nxpfan	0:a19b70a76e66	416	_cs = 0;
nxpfan	0:a19b70a76e66	417	_spi.write( tmp >> 1 );
nxpfan	0:a19b70a76e66	418	_spi.write( tmp << 7 );
nxpfan	0:a19b70a76e66	419	_cs = 1;
nxpfan	0:a19b70a76e66	420	}
nxpfan	0:a19b70a76e66	421	#else
nxpfan	0:a19b70a76e66	422	void command( int value ) {
nxpfan	0:a19b70a76e66	423	_cs = 0;
nxpfan	0:a19b70a76e66	424	_spi.write( value & 0xFF );
nxpfan	0:a19b70a76e66	425	_cs = 1;
nxpfan	0:a19b70a76e66	426	}
nxpfan	0:a19b70a76e66	427
nxpfan	0:a19b70a76e66	428	void data(int value) {
nxpfan	0:a19b70a76e66	429	_cs = 0;
nxpfan	0:a19b70a76e66	430	_spi.write( value \| 0x100 );
nxpfan	0:a19b70a76e66	431	_cs = 1;
nxpfan	0:a19b70a76e66	432	}
nxpfan	0:a19b70a76e66	433	#endif
nxpfan	0:a19b70a76e66	434
nxpfan	0:a19b70a76e66	435	virtual void _window( int x, int y, int width, int height ) {
nxpfan	0:a19b70a76e66	436	int x1 = x + 0;
nxpfan	0:a19b70a76e66	437	int y1 = y + 0;
nxpfan	0:a19b70a76e66	438	int x2 = x1 + width - 1;
nxpfan	0:a19b70a76e66	439	int y2 = y1 + height - 1;
nxpfan	0:a19b70a76e66	440
nxpfan	0:a19b70a76e66	441	command( SET_COLUMN_ADDRESS );
nxpfan	0:a19b70a76e66	442	data( x1 );
nxpfan	0:a19b70a76e66	443	data( x2 );
nxpfan	0:a19b70a76e66	444	command( SET_ROW_ADDRESS );
nxpfan	0:a19b70a76e66	445	data( y1 );
nxpfan	0:a19b70a76e66	446	data( y2 );
nxpfan	0:a19b70a76e66	447	command( WRITE_RAM_COMMAND );
nxpfan	0:a19b70a76e66	448	}
nxpfan	0:a19b70a76e66	449
nxpfan	0:a19b70a76e66	450	void window( int x, int y, int width, int height ) {
nxpfan	0:a19b70a76e66	451	_cs = 0;
nxpfan	0:a19b70a76e66	452	_window( x, y, width, height );
nxpfan	0:a19b70a76e66	453	_cs = 1;
nxpfan	0:a19b70a76e66	454	}
nxpfan	0:a19b70a76e66	455
nxpfan	0:a19b70a76e66	456	void _putp( int colour ) {
nxpfan	0:a19b70a76e66	457	int cnv = 0;
nxpfan	0:a19b70a76e66	458
nxpfan	0:a19b70a76e66	459	cnv = (colour >> 8) & 0xf800;
nxpfan	0:a19b70a76e66	460	cnv \|= (colour >> 5) & 0x07e0;
nxpfan	0:a19b70a76e66	461	cnv \|= (colour >> 3) & 0x001f;
nxpfan	0:a19b70a76e66	462
nxpfan	0:a19b70a76e66	463	data( cnv >> 8);
nxpfan	0:a19b70a76e66	464	data( cnv );
nxpfan	0:a19b70a76e66	465	}
nxpfan	0:a19b70a76e66	466
nxpfan	0:a19b70a76e66	467	DigitalOut _power_pin;
nxpfan	0:a19b70a76e66	468	}
nxpfan	0:a19b70a76e66	469	;
nxpfan	0:a19b70a76e66	470
nxpfan	0:a19b70a76e66	471	#ifdef MARMEX_OB_SPI_8BIT_MODE
nxpfan	0:a19b70a76e66	472	#define MERMEX_OB_SPI_MODE_STR "8bit mode"
nxpfan	0:a19b70a76e66	473	#else
nxpfan	0:a19b70a76e66	474	#define MERMEX_OB_SPI_MODE_STR "9bit mode"
nxpfan	0:a19b70a76e66	475	#endif
nxpfan	0:a19b70a76e66	476	#endif // MBED_MARMEX_OB_OLED
nxpfan	0:a19b70a76e66	477
nxpfan	0:a19b70a76e66	478
nxpfan	0:a19b70a76e66	479
nxpfan	0:a19b70a76e66	480
nxpfan	0:a19b70a76e66	481
nxpfan	0:a19b70a76e66	482

Repository toolbox

Export to desktop IDE

Build repository

Repository details

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	07 Apr 2011
Imports:	294
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	2
Followers:	8

MARMEX_OB_oled.h@0:a19b70a76e66, 2011-04-07 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning