Yuji Notsu / Mbed 2 deprecated MARMEX_OB_oled__HelloWorld

This program is for operating OLED module of MAPLE Board and mbed1768

Dependencies:   mbed

MARMEX_OB_oled.h@0:53adaf7199b6, 2013-01-03 (annotated)

Committer:
y_notsu
Date:
Thu Jan 03 13:12:04 2013 +0000
Revision:
0:53adaf7199b6
This program is for OLED module of MAPLE Board and mbed1768.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
y_notsu 0:53adaf7199b6 1 /** MARMEX_OB OLED screen drawing library
y_notsu 0:53adaf7199b6 2 *
y_notsu 0:53adaf7199b6 3 * @class MARMEX_OB_oled
y_notsu 0:53adaf7199b6 4 * @author tedd
y_notsu 0:53adaf7199b6 5 * @version 0.51
y_notsu 0:53adaf7199b6 6 * @date 08-Apr-2011
y_notsu 0:53adaf7199b6 7 *
y_notsu 0:53adaf7199b6 8 * Released under the MIT License: http://mbed.org/license/mit
y_notsu 0:53adaf7199b6 9 *
y_notsu 0:53adaf7199b6 10 * MARMEX_OB_oled OLED screen drawing library for mbed
y_notsu 0:53adaf7199b6 11 * This code has been written based on sample code and advises
y_notsu 0:53adaf7199b6 12 * from Ochiai-san (Marutsu-Elec). Thank you!
y_notsu 0:53adaf7199b6 13 *
y_notsu 0:53adaf7199b6 14 * SPI mode:
y_notsu 0:53adaf7199b6 15 * 9bit or 8bit SPI mode can be selected by disabling/enabling "#define MARMEX_OB_SPI_8BIT_MODE".
y_notsu 0:53adaf7199b6 16 * See source code in this (MARMEX_OB_oled.h) file.
y_notsu 0:53adaf7199b6 17 */
y_notsu 0:53adaf7199b6 18
y_notsu 0:53adaf7199b6 19 #ifndef MBED_MARMEX_OB_OLED
y_notsu 0:53adaf7199b6 20 #define MBED_MARMEX_OB_OLED
y_notsu 0:53adaf7199b6 21
y_notsu 0:53adaf7199b6 22 #include "mbed.h"
y_notsu 0:53adaf7199b6 23 #include "NokiaLCD.h"
y_notsu 0:53adaf7199b6 24
y_notsu 0:53adaf7199b6 25 /** @def MARMEX_OB_SPI_8BIT_MODE
y_notsu 0:53adaf7199b6 26 *
y_notsu 0:53adaf7199b6 27 * MARMEX_OB_oled_oled OLED screen SPI access length setting
y_notsu 0:53adaf7199b6 28 * Enabling "MARMEX_OB_SPI_8BIT_MODE" makes 9bit SPI access by 8bit * 2 times.
y_notsu 0:53adaf7199b6 29 * This may be useful if other 8bit access SPI device on same SPI bus.
y_notsu 0:53adaf7199b6 30 *
y_notsu 0:53adaf7199b6 31 * If disabled (just coment out the "#define MARMEX_OB_SPI_8BIT_MODE"), SPI access willbe done by 9 bit format.
y_notsu 0:53adaf7199b6 32 */
y_notsu 0:53adaf7199b6 33 //#define MARMEX_OB_SPI_8BIT_MODE
y_notsu 0:53adaf7199b6 34
y_notsu 0:53adaf7199b6 35 /** MARMEX_OB_oled OLED screen drawing class
y_notsu 0:53adaf7199b6 36 *
y_notsu 0:53adaf7199b6 37 * This is a driver code for MARMEX_OB_oled board OLED screen.
y_notsu 0:53adaf7199b6 38 * This class inherits NokiaLCD class of mbed.org.
y_notsu 0:53adaf7199b6 39 * To use this class, import the NokiaLCD class from here..
y_notsu 0:53adaf7199b6 40 * http://mbed.org/users/simon/libraries/NokiaLCD/
y_notsu 0:53adaf7199b6 41 *
y_notsu 0:53adaf7199b6 42 * Example:
y_notsu 0:53adaf7199b6 43 * @code
y_notsu 0:53adaf7199b6 44 * #include "mbed.h"
y_notsu 0:53adaf7199b6 45 * #include "MARMEX_OB_oled.h"
y_notsu 0:53adaf7199b6 46 *
y_notsu 0:53adaf7199b6 47 * // oled1 is for MARMEX_OB_oled board on MAPLE slot 1
y_notsu 0:53adaf7199b6 48 * // oled1 is for MARMEX_OB_oled board on MAPLE slot 2
y_notsu 0:53adaf7199b6 49 *
y_notsu 0:53adaf7199b6 50 * MARMEX_OB_oled oled1( p5, p7, p8, p30, p11 ); // mosi, sclk, cs, rst, power_control
y_notsu 0:53adaf7199b6 51 * //MARMEX_OB_oled oled2( p5, p7, p26, p21, p17 ); // mosi, sclk, cs, rst, power_control
y_notsu 0:53adaf7199b6 52 *
y_notsu 0:53adaf7199b6 53 *
y_notsu 0:53adaf7199b6 54 * int main() {
y_notsu 0:53adaf7199b6 55 * oled1.background( 0x000000 );
y_notsu 0:53adaf7199b6 56 * oled1.cls();
y_notsu 0:53adaf7199b6 57 *
y_notsu 0:53adaf7199b6 58 * int colorbar_width = MARMEX_OB_oled::WIDTH / 8;
y_notsu 0:53adaf7199b6 59 *
y_notsu 0:53adaf7199b6 60 * for ( int i = 0; i < 8; i++ )
y_notsu 0:53adaf7199b6 61 * oled1.fill( colorbar_width * i, 0, colorbar_width, MARMEX_OB_oled::HEIGHT, ((i & 0x4) ? 0xFF0000 : 0x000000) | ((i & 0x2) ? 0x00FF00 : 0x000000) | ((i & 0x1) ? 0x0000FF : 0x000000) );
y_notsu 0:53adaf7199b6 62 *
y_notsu 0:53adaf7199b6 63 * oled1.fill( 50, 50, 64, 64, 0xCCCCCC );;
y_notsu 0:53adaf7199b6 64 *
y_notsu 0:53adaf7199b6 65 * oled1.locate( 0, 3 );
y_notsu 0:53adaf7199b6 66 * oled1.printf( "Hello World!" );
y_notsu 0:53adaf7199b6 67 * oled1.locate( 0, 4 );
y_notsu 0:53adaf7199b6 68 * oled1.printf( "SPI = %s", MERMEX_OB_SPI_MODE_STR );
y_notsu 0:53adaf7199b6 69 *
y_notsu 0:53adaf7199b6 70 * for (int i = 0; i < MARMEX_OB_oled::WIDTH; i++ ) {
y_notsu 0:53adaf7199b6 71 * oled1.pixel( i, 80 + sin( (float)i / 5.0 ) * 10, 0x000000 );
y_notsu 0:53adaf7199b6 72 * }
y_notsu 0:53adaf7199b6 73 * } * @endcode
y_notsu 0:53adaf7199b6 74 */
y_notsu 0:53adaf7199b6 75
y_notsu 0:53adaf7199b6 76 class MARMEX_OB_oled : public NokiaLCD {
y_notsu 0:53adaf7199b6 77
y_notsu 0:53adaf7199b6 78 public:
y_notsu 0:53adaf7199b6 79
y_notsu 0:53adaf7199b6 80 /** General parameters for MARMEX_OB_oled */
y_notsu 0:53adaf7199b6 81 enum {
y_notsu 0:53adaf7199b6 82 ROWS = 15, /**< # of rows (lines) for displaying characters */
y_notsu 0:53adaf7199b6 83 COLS = 16, /**< # of columns (width) for displaying characters */
y_notsu 0:53adaf7199b6 84 WIDTH = 128, /**< screen width [pixels] */
y_notsu 0:53adaf7199b6 85 HEIGHT = 128, /**< screen height [pixels] */
y_notsu 0:53adaf7199b6 86 SPI_FREQUENCY = 20000000 /**< SPI (sclk) SPI_FREQUENCY */
y_notsu 0:53adaf7199b6 87 };
y_notsu 0:53adaf7199b6 88
y_notsu 0:53adaf7199b6 89 /** Constants for power() function */
y_notsu 0:53adaf7199b6 90 enum {
y_notsu 0:53adaf7199b6 91 OFF = 0, /**< : to turning-OFF */
y_notsu 0:53adaf7199b6 92 ON /**< : to turning-ON */
y_notsu 0:53adaf7199b6 93 };
y_notsu 0:53adaf7199b6 94
y_notsu 0:53adaf7199b6 95 /** Create a MARMEX_OB_oled object connected to specified SPI and DigitalOut pins
y_notsu 0:53adaf7199b6 96 *
y_notsu 0:53adaf7199b6 97 * @param mosi SPI-MOSI pin (for MAPLE board, use p5)
y_notsu 0:53adaf7199b6 98 * @param sclk SPI-SCLK pin (for MAPLE board, use p8)
y_notsu 0:53adaf7199b6 99 * @param cs chip select signal (for MAPLE board, use p8(slot1), p26(slot2))
y_notsu 0:53adaf7199b6 100 * @param rst reset signal (for MAPLE board, use p30(slot1), p21(slot2))
y_notsu 0:53adaf7199b6 101 * @param power_pin backlight power control signal (for MAPLE board, use p11(slot1), p17(slot2))
y_notsu 0:53adaf7199b6 102 *
y_notsu 0:53adaf7199b6 103 * Example of MARMEX_OB_oled on MAPLE board:
y_notsu 0:53adaf7199b6 104 * @code
y_notsu 0:53adaf7199b6 105 * #include "mbed.h"
y_notsu 0:53adaf7199b6 106 * #include "MARMEX_OB_oled.h"
y_notsu 0:53adaf7199b6 107 *
y_notsu 0:53adaf7199b6 108 * MARMEX_OB_oled oled_on_maple_slot1( p5, p7, p8, p30, p11 ); // mosi, sclk, cs, rst, power_control
y_notsu 0:53adaf7199b6 109 * MARMEX_OB_oled oled_on_maple_slot2( p5, p7, p26, p21, p17 ); // mosi, sclk, cs, rst, power_control
y_notsu 0:53adaf7199b6 110 * ...
y_notsu 0:53adaf7199b6 111 * ..
y_notsu 0:53adaf7199b6 112 * @endcode
y_notsu 0:53adaf7199b6 113 */
y_notsu 0:53adaf7199b6 114
y_notsu 0:53adaf7199b6 115 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 ) {
y_notsu 0:53adaf7199b6 116 power( ON );
y_notsu 0:53adaf7199b6 117 reset();
y_notsu 0:53adaf7199b6 118 }
y_notsu 0:53adaf7199b6 119
y_notsu 0:53adaf7199b6 120 #if DOXYGEN_ONLY
y_notsu 0:53adaf7199b6 121 /** Write a character to the LCD
y_notsu 0:53adaf7199b6 122 *
y_notsu 0:53adaf7199b6 123 * @param c The character to write to the display
y_notsu 0:53adaf7199b6 124 */
y_notsu 0:53adaf7199b6 125 int putc( int c );
y_notsu 0:53adaf7199b6 126
y_notsu 0:53adaf7199b6 127 /** Write a formated string to the LCD
y_notsu 0:53adaf7199b6 128 *
y_notsu 0:53adaf7199b6 129 * @param format A printf-style format string, followed by the
y_notsu 0:53adaf7199b6 130 * variables to use in formating the string.
y_notsu 0:53adaf7199b6 131 *
y_notsu 0:53adaf7199b6 132 * !!! 16th character in the string will be disappeared
y_notsu 0:53adaf7199b6 133 * !!! This problem is due to difference of screen size NokiaLCD library and its internal mechanism...
y_notsu 0:53adaf7199b6 134 */
y_notsu 0:53adaf7199b6 135 int printf( const char* format, ... );
y_notsu 0:53adaf7199b6 136
y_notsu 0:53adaf7199b6 137 /** Set the foreground colour
y_notsu 0:53adaf7199b6 138 *
y_notsu 0:53adaf7199b6 139 * @param c 24-bit colour
y_notsu 0:53adaf7199b6 140 */
y_notsu 0:53adaf7199b6 141 void foreground(int c);
y_notsu 0:53adaf7199b6 142
y_notsu 0:53adaf7199b6 143 /** Set the background colour
y_notsu 0:53adaf7199b6 144 *
y_notsu 0:53adaf7199b6 145 * @param c 24-bit colour
y_notsu 0:53adaf7199b6 146 */
y_notsu 0:53adaf7199b6 147 void background(int c);
y_notsu 0:53adaf7199b6 148
y_notsu 0:53adaf7199b6 149 #endif
y_notsu 0:53adaf7199b6 150
y_notsu 0:53adaf7199b6 151 /** reset MARMEX_OB_oled
y_notsu 0:53adaf7199b6 152 *
y_notsu 0:53adaf7199b6 153 * Executes hardware reset and initialize.
y_notsu 0:53adaf7199b6 154 * See MARMEX_OB_oled manual for the initialization sequence and values
y_notsu 0:53adaf7199b6 155 * For gamma correction table, using math function to make the code simple
y_notsu 0:53adaf7199b6 156 */
y_notsu 0:53adaf7199b6 157
y_notsu 0:53adaf7199b6 158 void reset( void ) {
y_notsu 0:53adaf7199b6 159
y_notsu 0:53adaf7199b6 160 #define GAMMA_LUT_SIZE 63
y_notsu 0:53adaf7199b6 161 unsigned char gamma_LUT[ GAMMA_LUT_SIZE ];
y_notsu 0:53adaf7199b6 162
y_notsu 0:53adaf7199b6 163 for ( int i = 0; i < GAMMA_LUT_SIZE; i++ )
y_notsu 0:53adaf7199b6 164 gamma_LUT[ i ] = (unsigned char)(powf( ((float)i / 62.0), (1.0 / 0.58) ) * 178.0 + 2.0);
y_notsu 0:53adaf7199b6 165
y_notsu 0:53adaf7199b6 166 // setup the SPI interface and bring display out of reset
y_notsu 0:53adaf7199b6 167 _cs = 1;
y_notsu 0:53adaf7199b6 168 _rst = 0;
y_notsu 0:53adaf7199b6 169 #ifdef MARMEX_OB_SPI_8BIT_MODE
y_notsu 0:53adaf7199b6 170 _spi.format( 8 );
y_notsu 0:53adaf7199b6 171 #else
y_notsu 0:53adaf7199b6 172 _spi.format( 9 );
y_notsu 0:53adaf7199b6 173 #endif
y_notsu 0:53adaf7199b6 174
y_notsu 0:53adaf7199b6 175 _spi.frequency( SPI_FREQUENCY );
y_notsu 0:53adaf7199b6 176 wait_ms( 1 );
y_notsu 0:53adaf7199b6 177 _rst = 1;
y_notsu 0:53adaf7199b6 178 wait_ms( 1 );
y_notsu 0:53adaf7199b6 179
y_notsu 0:53adaf7199b6 180 _cs = 0;
y_notsu 0:53adaf7199b6 181
y_notsu 0:53adaf7199b6 182 command( SET_DISPLAY_MODE_ALL_OFF );
y_notsu 0:53adaf7199b6 183 command( SET_COMMAND_LOCK );
y_notsu 0:53adaf7199b6 184 data( 0x12 );
y_notsu 0:53adaf7199b6 185
y_notsu 0:53adaf7199b6 186 command( SET_COMMAND_LOCK );
y_notsu 0:53adaf7199b6 187 data( 0xb1 );
y_notsu 0:53adaf7199b6 188
y_notsu 0:53adaf7199b6 189 command( SET_SLEEP_MODE_ON );
y_notsu 0:53adaf7199b6 190
y_notsu 0:53adaf7199b6 191 command( FRONT_CLOCK_DRIVER_OSC_FREQ );
y_notsu 0:53adaf7199b6 192 data( 0xF1 );
y_notsu 0:53adaf7199b6 193
y_notsu 0:53adaf7199b6 194 command( SET_MUX_RATIO );
y_notsu 0:53adaf7199b6 195 data( 0x7F );
y_notsu 0:53adaf7199b6 196
y_notsu 0:53adaf7199b6 197 command( SET_DISPAY_OFFSET );
y_notsu 0:53adaf7199b6 198 data( 0x00 );
y_notsu 0:53adaf7199b6 199
y_notsu 0:53adaf7199b6 200 command( SET_DISPAY_START_LINE );
y_notsu 0:53adaf7199b6 201 data( 0x00 );
y_notsu 0:53adaf7199b6 202
y_notsu 0:53adaf7199b6 203 command( SET_REMAP_COLOR_DEPTH );
y_notsu 0:53adaf7199b6 204 data( 0x74 );
y_notsu 0:53adaf7199b6 205
y_notsu 0:53adaf7199b6 206 command( SET_GPIO );
y_notsu 0:53adaf7199b6 207 data( 0x00);
y_notsu 0:53adaf7199b6 208
y_notsu 0:53adaf7199b6 209 command( FUNCTION_SELECTION );
y_notsu 0:53adaf7199b6 210 data( 0x01 );
y_notsu 0:53adaf7199b6 211
y_notsu 0:53adaf7199b6 212 command( SET_SEGMENT_LOW_VOLTAGE );
y_notsu 0:53adaf7199b6 213 data( 0xA0 );
y_notsu 0:53adaf7199b6 214 data( 0xB5 );
y_notsu 0:53adaf7199b6 215 data( 0x55 );
y_notsu 0:53adaf7199b6 216
y_notsu 0:53adaf7199b6 217 command( SET_CONTRAST_CURRENT_FOR_COLOR_ABC );
y_notsu 0:53adaf7199b6 218 data( 0xC8 );
y_notsu 0:53adaf7199b6 219 data( 0x80 );
y_notsu 0:53adaf7199b6 220 data( 0xC8 );
y_notsu 0:53adaf7199b6 221
y_notsu 0:53adaf7199b6 222 command( MASTER_CONTRAST_CURRENT_CONTROL );
y_notsu 0:53adaf7199b6 223 data( 0x0F );
y_notsu 0:53adaf7199b6 224
y_notsu 0:53adaf7199b6 225 command( LOOKUP_TABLE_FOR_GRAYSCALE_PULSE_WIDTH );
y_notsu 0:53adaf7199b6 226 for ( int i = 0; i < GAMMA_LUT_SIZE; i++ )
y_notsu 0:53adaf7199b6 227 data( gamma_LUT[ i ] );
y_notsu 0:53adaf7199b6 228
y_notsu 0:53adaf7199b6 229 command( SET_RESET_PRECHARGE_PERIOD );
y_notsu 0:53adaf7199b6 230 data( 0x32 );
y_notsu 0:53adaf7199b6 231
y_notsu 0:53adaf7199b6 232 command( ENHANCE_DRIVING_SCHEME_CAPABILITY );
y_notsu 0:53adaf7199b6 233 data( 0x04 );
y_notsu 0:53adaf7199b6 234 data( 0x00 );
y_notsu 0:53adaf7199b6 235 data( 0x00 );
y_notsu 0:53adaf7199b6 236
y_notsu 0:53adaf7199b6 237 command( SET_PRECHARGE_VOLTAGE );
y_notsu 0:53adaf7199b6 238 data( 0x17 );
y_notsu 0:53adaf7199b6 239
y_notsu 0:53adaf7199b6 240 command( SET_SECOND_PRECHARGE_VOLTAGE );
y_notsu 0:53adaf7199b6 241 data( 0x01 );
y_notsu 0:53adaf7199b6 242
y_notsu 0:53adaf7199b6 243 command( SET_VCOMH_VOLTAGE );
y_notsu 0:53adaf7199b6 244 data( 0x05 );
y_notsu 0:53adaf7199b6 245
y_notsu 0:53adaf7199b6 246 command( SET_DISPLAY_MODE_RESET );
y_notsu 0:53adaf7199b6 247
y_notsu 0:53adaf7199b6 248 #if 0
y_notsu 0:53adaf7199b6 249 command( SET_COLUMN_ADDRESS );
y_notsu 0:53adaf7199b6 250 data( 0x00 );
y_notsu 0:53adaf7199b6 251 data( 0x7F );
y_notsu 0:53adaf7199b6 252
y_notsu 0:53adaf7199b6 253 command( SET_ROW_ADDRESS );
y_notsu 0:53adaf7199b6 254 data( 0x00 );
y_notsu 0:53adaf7199b6 255 data( 0x7F);
y_notsu 0:53adaf7199b6 256
y_notsu 0:53adaf7199b6 257 command( WRITE_RAM_COMMAND );
y_notsu 0:53adaf7199b6 258 for ( int i = 0; i < WIDTH * HEIGHT; i++ )
y_notsu 0:53adaf7199b6 259 data( 0x00 );
y_notsu 0:53adaf7199b6 260 #endif
y_notsu 0:53adaf7199b6 261 _cs = 1;
y_notsu 0:53adaf7199b6 262
y_notsu 0:53adaf7199b6 263 cls();
y_notsu 0:53adaf7199b6 264 wait_ms( 200 );
y_notsu 0:53adaf7199b6 265
y_notsu 0:53adaf7199b6 266 command( SET_SLEEP_MODE_OFF );
y_notsu 0:53adaf7199b6 267 }
y_notsu 0:53adaf7199b6 268
y_notsu 0:53adaf7199b6 269 /** Clear the screen and locate to 0,0 */
y_notsu 0:53adaf7199b6 270
y_notsu 0:53adaf7199b6 271 void cls( void ) {
y_notsu 0:53adaf7199b6 272 fill( 0, 0, WIDTH , HEIGHT, _background );
y_notsu 0:53adaf7199b6 273 _row = 0;
y_notsu 0:53adaf7199b6 274 _column = 0;
y_notsu 0:53adaf7199b6 275 }
y_notsu 0:53adaf7199b6 276
y_notsu 0:53adaf7199b6 277 /** Set a pixel on te screen
y_notsu 0:53adaf7199b6 278 *
y_notsu 0:53adaf7199b6 279 * @param x horizontal position from left
y_notsu 0:53adaf7199b6 280 * @param y vertical position from top
y_notsu 0:53adaf7199b6 281 * @param colour 24-bit colour in format 0x00RRGGBB
y_notsu 0:53adaf7199b6 282 */
y_notsu 0:53adaf7199b6 283
y_notsu 0:53adaf7199b6 284 virtual void pixel( int x, int y, int colour ) {
y_notsu 0:53adaf7199b6 285 _cs = 0;
y_notsu 0:53adaf7199b6 286 _window( x, y, 1, 1 );
y_notsu 0:53adaf7199b6 287 _putp( colour );
y_notsu 0:53adaf7199b6 288 _cs = 1;
y_notsu 0:53adaf7199b6 289 }
y_notsu 0:53adaf7199b6 290
y_notsu 0:53adaf7199b6 291 /** Fill an area of the screen
y_notsu 0:53adaf7199b6 292 *
y_notsu 0:53adaf7199b6 293 * @param x horizontal position from left
y_notsu 0:53adaf7199b6 294 * @param y vertical position from top
y_notsu 0:53adaf7199b6 295 * @param width width in pixels
y_notsu 0:53adaf7199b6 296 * @param height height in pixels
y_notsu 0:53adaf7199b6 297 * @param colour 24-bit colour in format 0x00RRGGBB
y_notsu 0:53adaf7199b6 298 */
y_notsu 0:53adaf7199b6 299
y_notsu 0:53adaf7199b6 300 void fill( int x, int y, int width, int height, int colour ) {
y_notsu 0:53adaf7199b6 301 _cs = 0;
y_notsu 0:53adaf7199b6 302 _window( x, y, width, height );
y_notsu 0:53adaf7199b6 303
y_notsu 0:53adaf7199b6 304 for (int i = 0; i < width * height; i++ ) {
y_notsu 0:53adaf7199b6 305 _putp( colour );
y_notsu 0:53adaf7199b6 306 }
y_notsu 0:53adaf7199b6 307
y_notsu 0:53adaf7199b6 308 _window( 0, 0, WIDTH, HEIGHT );
y_notsu 0:53adaf7199b6 309 _cs = 1;
y_notsu 0:53adaf7199b6 310 }
y_notsu 0:53adaf7199b6 311
y_notsu 0:53adaf7199b6 312 void blit( int x, int y, int width, int height, const int* colour ) {
y_notsu 0:53adaf7199b6 313 _cs = 0;
y_notsu 0:53adaf7199b6 314 _window( x, y, width, height );
y_notsu 0:53adaf7199b6 315
y_notsu 0:53adaf7199b6 316 for (int i = 0; i < width * height; i++ ) {
y_notsu 0:53adaf7199b6 317 _putp( colour[i] );
y_notsu 0:53adaf7199b6 318 }
y_notsu 0:53adaf7199b6 319 _window( 0, 0, WIDTH, HEIGHT );
y_notsu 0:53adaf7199b6 320 _cs = 1;
y_notsu 0:53adaf7199b6 321 }
y_notsu 0:53adaf7199b6 322
y_notsu 0:53adaf7199b6 323 void bitblit( int x, int y, int width, int height, const char* bitstream ) {
y_notsu 0:53adaf7199b6 324 _cs = 0;
y_notsu 0:53adaf7199b6 325 _window( x, y, width, height );
y_notsu 0:53adaf7199b6 326
y_notsu 0:53adaf7199b6 327 for (int i = 0; i < height * width; i++ ) {
y_notsu 0:53adaf7199b6 328 int byte = i / 8;
y_notsu 0:53adaf7199b6 329 int bit = i % 8;
y_notsu 0:53adaf7199b6 330 int colour = ((bitstream[ byte ] << bit) & 0x80) ? _foreground : _background;
y_notsu 0:53adaf7199b6 331 _putp( colour );
y_notsu 0:53adaf7199b6 332 }
y_notsu 0:53adaf7199b6 333 _window( 0, 0, _width, _height );
y_notsu 0:53adaf7199b6 334 _cs = 1;
y_notsu 0:53adaf7199b6 335 }
y_notsu 0:53adaf7199b6 336
y_notsu 0:53adaf7199b6 337 /** Screen width
y_notsu 0:53adaf7199b6 338 *
y_notsu 0:53adaf7199b6 339 * @return screen width [pixel]
y_notsu 0:53adaf7199b6 340 */
y_notsu 0:53adaf7199b6 341 int width() {
y_notsu 0:53adaf7199b6 342 return WIDTH;
y_notsu 0:53adaf7199b6 343 }
y_notsu 0:53adaf7199b6 344
y_notsu 0:53adaf7199b6 345 /** Screen height
y_notsu 0:53adaf7199b6 346 *
y_notsu 0:53adaf7199b6 347 * @return screen height [pixel]
y_notsu 0:53adaf7199b6 348 */
y_notsu 0:53adaf7199b6 349 int height() {
y_notsu 0:53adaf7199b6 350 return HEIGHT;
y_notsu 0:53adaf7199b6 351 }
y_notsu 0:53adaf7199b6 352 /** Columns
y_notsu 0:53adaf7199b6 353 *
y_notsu 0:53adaf7199b6 354 * @return screen columns
y_notsu 0:53adaf7199b6 355 */
y_notsu 0:53adaf7199b6 356 int columns() {
y_notsu 0:53adaf7199b6 357 return COLS;
y_notsu 0:53adaf7199b6 358 }
y_notsu 0:53adaf7199b6 359
y_notsu 0:53adaf7199b6 360 /** Rows
y_notsu 0:53adaf7199b6 361 *
y_notsu 0:53adaf7199b6 362 * @return screen rows
y_notsu 0:53adaf7199b6 363 */
y_notsu 0:53adaf7199b6 364 int rows() {
y_notsu 0:53adaf7199b6 365 return ROWS;
y_notsu 0:53adaf7199b6 366 }
y_notsu 0:53adaf7199b6 367
y_notsu 0:53adaf7199b6 368 /** Power switch for OLED backlight
y_notsu 0:53adaf7199b6 369 *
y_notsu 0:53adaf7199b6 370 * @param sw argument can be MARMEX_OB_oled::ON or MARMEX_OB_oled::OFF
y_notsu 0:53adaf7199b6 371 */
y_notsu 0:53adaf7199b6 372
y_notsu 0:53adaf7199b6 373 void power( unsigned char sw ) {
y_notsu 0:53adaf7199b6 374 _power_pin = sw;
y_notsu 0:53adaf7199b6 375 }
y_notsu 0:53adaf7199b6 376
y_notsu 0:53adaf7199b6 377 private:
y_notsu 0:53adaf7199b6 378 /** Command list for the OLED controller */
y_notsu 0:53adaf7199b6 379 enum {
y_notsu 0:53adaf7199b6 380 SET_DISPLAY_MODE_ALL_OFF = 0xA4,
y_notsu 0:53adaf7199b6 381 SET_COMMAND_LOCK = 0xFD,
y_notsu 0:53adaf7199b6 382 SET_SLEEP_MODE_ON = 0xAE,
y_notsu 0:53adaf7199b6 383 FRONT_CLOCK_DRIVER_OSC_FREQ = 0xB3,
y_notsu 0:53adaf7199b6 384 SET_MUX_RATIO = 0xCA,
y_notsu 0:53adaf7199b6 385 SET_DISPAY_OFFSET = 0xA2,
y_notsu 0:53adaf7199b6 386 SET_DISPAY_START_LINE = 0xA1,
y_notsu 0:53adaf7199b6 387 SET_REMAP_COLOR_DEPTH = 0xA0,
y_notsu 0:53adaf7199b6 388 SET_GPIO = 0xB5,
y_notsu 0:53adaf7199b6 389 FUNCTION_SELECTION = 0xAB,
y_notsu 0:53adaf7199b6 390 SET_SEGMENT_LOW_VOLTAGE = 0xB4,
y_notsu 0:53adaf7199b6 391 SET_CONTRAST_CURRENT_FOR_COLOR_ABC = 0xC1,
y_notsu 0:53adaf7199b6 392 MASTER_CONTRAST_CURRENT_CONTROL = 0xC7,
y_notsu 0:53adaf7199b6 393 LOOKUP_TABLE_FOR_GRAYSCALE_PULSE_WIDTH = 0xB8,
y_notsu 0:53adaf7199b6 394 SET_RESET_PRECHARGE_PERIOD = 0xB1,
y_notsu 0:53adaf7199b6 395 ENHANCE_DRIVING_SCHEME_CAPABILITY = 0xB2,
y_notsu 0:53adaf7199b6 396 SET_PRECHARGE_VOLTAGE = 0xBB,
y_notsu 0:53adaf7199b6 397 SET_SECOND_PRECHARGE_VOLTAGE = 0xB6,
y_notsu 0:53adaf7199b6 398 SET_VCOMH_VOLTAGE = 0xBE,
y_notsu 0:53adaf7199b6 399 SET_DISPLAY_MODE_RESET = 0xA6,
y_notsu 0:53adaf7199b6 400 SET_COLUMN_ADDRESS = 0x15,
y_notsu 0:53adaf7199b6 401 SET_ROW_ADDRESS = 0x75,
y_notsu 0:53adaf7199b6 402 WRITE_RAM_COMMAND = 0x5C,
y_notsu 0:53adaf7199b6 403 SET_SLEEP_MODE_OFF = 0xAF
y_notsu 0:53adaf7199b6 404 };
y_notsu 0:53adaf7199b6 405
y_notsu 0:53adaf7199b6 406 #ifdef MARMEX_OB_SPI_8BIT_MODE
y_notsu 0:53adaf7199b6 407 void command( int value ) {
y_notsu 0:53adaf7199b6 408 int tmp = value & 0x00ff;
y_notsu 0:53adaf7199b6 409 _cs = 0;
y_notsu 0:53adaf7199b6 410 _spi.write( tmp >> 1 );
y_notsu 0:53adaf7199b6 411 _spi.write( tmp << 7 );
y_notsu 0:53adaf7199b6 412 _cs = 1;
y_notsu 0:53adaf7199b6 413 }
y_notsu 0:53adaf7199b6 414
y_notsu 0:53adaf7199b6 415 void data( int value ) {
y_notsu 0:53adaf7199b6 416 int tmp = value & 0x00ff;
y_notsu 0:53adaf7199b6 417 tmp |= 0x0100;
y_notsu 0:53adaf7199b6 418 _cs = 0;
y_notsu 0:53adaf7199b6 419 _spi.write( tmp >> 1 );
y_notsu 0:53adaf7199b6 420 _spi.write( tmp << 7 );
y_notsu 0:53adaf7199b6 421 _cs = 1;
y_notsu 0:53adaf7199b6 422 }
y_notsu 0:53adaf7199b6 423 #else
y_notsu 0:53adaf7199b6 424 void command( int value ) {
y_notsu 0:53adaf7199b6 425 _cs = 0;
y_notsu 0:53adaf7199b6 426 _spi.write( value & 0xFF );
y_notsu 0:53adaf7199b6 427 _cs = 1;
y_notsu 0:53adaf7199b6 428 }
y_notsu 0:53adaf7199b6 429
y_notsu 0:53adaf7199b6 430 void data(int value) {
y_notsu 0:53adaf7199b6 431 _cs = 0;
y_notsu 0:53adaf7199b6 432 _spi.write( value | 0x100 );
y_notsu 0:53adaf7199b6 433 _cs = 1;
y_notsu 0:53adaf7199b6 434 }
y_notsu 0:53adaf7199b6 435 #endif
y_notsu 0:53adaf7199b6 436
y_notsu 0:53adaf7199b6 437 virtual void _window( int x, int y, int width, int height ) {
y_notsu 0:53adaf7199b6 438 int x1 = x + 0;
y_notsu 0:53adaf7199b6 439 int y1 = y + 0;
y_notsu 0:53adaf7199b6 440 int x2 = x1 + width - 1;
y_notsu 0:53adaf7199b6 441 int y2 = y1 + height - 1;
y_notsu 0:53adaf7199b6 442
y_notsu 0:53adaf7199b6 443 command( SET_COLUMN_ADDRESS );
y_notsu 0:53adaf7199b6 444 data( x1 );
y_notsu 0:53adaf7199b6 445 data( x2 );
y_notsu 0:53adaf7199b6 446 command( SET_ROW_ADDRESS );
y_notsu 0:53adaf7199b6 447 data( y1 );
y_notsu 0:53adaf7199b6 448 data( y2 );
y_notsu 0:53adaf7199b6 449 command( WRITE_RAM_COMMAND );
y_notsu 0:53adaf7199b6 450 }
y_notsu 0:53adaf7199b6 451
y_notsu 0:53adaf7199b6 452 void window( int x, int y, int width, int height ) {
y_notsu 0:53adaf7199b6 453 _cs = 0;
y_notsu 0:53adaf7199b6 454 _window( x, y, width, height );
y_notsu 0:53adaf7199b6 455 _cs = 1;
y_notsu 0:53adaf7199b6 456 }
y_notsu 0:53adaf7199b6 457
y_notsu 0:53adaf7199b6 458 virtual void _putp( int colour ) {
y_notsu 0:53adaf7199b6 459 int cnv = 0;
y_notsu 0:53adaf7199b6 460
y_notsu 0:53adaf7199b6 461 cnv = (colour >> 8) & 0xf800;
y_notsu 0:53adaf7199b6 462 cnv |= (colour >> 5) & 0x07e0;
y_notsu 0:53adaf7199b6 463 cnv |= (colour >> 3) & 0x001f;
y_notsu 0:53adaf7199b6 464
y_notsu 0:53adaf7199b6 465 data( cnv >> 8);
y_notsu 0:53adaf7199b6 466 data( cnv );
y_notsu 0:53adaf7199b6 467 }
y_notsu 0:53adaf7199b6 468
y_notsu 0:53adaf7199b6 469 DigitalOut _power_pin;
y_notsu 0:53adaf7199b6 470 }
y_notsu 0:53adaf7199b6 471 ;
y_notsu 0:53adaf7199b6 472
y_notsu 0:53adaf7199b6 473 #ifdef MARMEX_OB_SPI_8BIT_MODE
y_notsu 0:53adaf7199b6 474 #define MERMEX_OB_SPI_MODE_STR "8bit mode"
y_notsu 0:53adaf7199b6 475 #else
y_notsu 0:53adaf7199b6 476 #define MERMEX_OB_SPI_MODE_STR "9bit mode"
y_notsu 0:53adaf7199b6 477 #endif
y_notsu 0:53adaf7199b6 478 #endif // MBED_MARMEX_OB_OLED
y_notsu 0:53adaf7199b6 479
y_notsu 0:53adaf7199b6 480 /*
y_notsu 0:53adaf7199b6 481 * history:
y_notsu 0:53adaf7199b6 482 * 0.5 (2011-Apr-07) : initial published version
y_notsu 0:53adaf7199b6 483 * 0.51 (2011-Apr-08) : a. "virtual" had been added on "_putp()" function definition to surpress warning when compiling (is this correct way?)
y_notsu 0:53adaf7199b6 484 * b. sample code (for Doxygen) is changed from new "main.cpp (ver 0.51)"
y_notsu 0:53adaf7199b6 485 */