MARMEX_OB_oled with Japanese font
Dependents: MARMEX_OB_oled_J_Helloworld mbed_strscroll
MARMEX_OB_oled.h@1:1106831b0509, 2013-02-16 (annotated)
- Committer:
- diasea
- Date:
- Sat Feb 16 15:12:52 2013 +0000
- Revision:
- 1:1106831b0509
- Parent:
- 0:9adb08a2910c
modify SPI_FREQUENCY = 16000000
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
diasea | 0:9adb08a2910c | 1 | /** MARMEX_OB OLED screen drawing library |
diasea | 0:9adb08a2910c | 2 | * |
diasea | 0:9adb08a2910c | 3 | * @class MARMEX_OB_oled |
diasea | 0:9adb08a2910c | 4 | * @author tedd |
diasea | 0:9adb08a2910c | 5 | * @version 0.51 |
diasea | 0:9adb08a2910c | 6 | * @date 08-Apr-2011 |
diasea | 0:9adb08a2910c | 7 | * |
diasea | 0:9adb08a2910c | 8 | * Released under the MIT License: http://mbed.org/license/mit |
diasea | 0:9adb08a2910c | 9 | * |
diasea | 0:9adb08a2910c | 10 | * MARMEX_OB_oled OLED screen drawing library for mbed |
diasea | 0:9adb08a2910c | 11 | * This code has been written based on sample code and advises |
diasea | 0:9adb08a2910c | 12 | * from Ochiai-san (Marutsu-Elec). Thank you! |
diasea | 0:9adb08a2910c | 13 | * |
diasea | 0:9adb08a2910c | 14 | * SPI mode: |
diasea | 0:9adb08a2910c | 15 | * 9bit or 8bit SPI mode can be selected by disabling/enabling "#define MARMEX_OB_SPI_8BIT_MODE". |
diasea | 0:9adb08a2910c | 16 | * See source code in this (MARMEX_OB_oled.h) file. |
diasea | 0:9adb08a2910c | 17 | */ |
diasea | 0:9adb08a2910c | 18 | |
diasea | 0:9adb08a2910c | 19 | #ifndef MBED_MARMEX_OB_OLED |
diasea | 0:9adb08a2910c | 20 | #define MBED_MARMEX_OB_OLED |
diasea | 0:9adb08a2910c | 21 | |
diasea | 0:9adb08a2910c | 22 | #include "mbed.h" |
diasea | 0:9adb08a2910c | 23 | #include "NokiaLCD.h" |
diasea | 0:9adb08a2910c | 24 | |
diasea | 0:9adb08a2910c | 25 | /** @def MARMEX_OB_SPI_8BIT_MODE |
diasea | 0:9adb08a2910c | 26 | * |
diasea | 0:9adb08a2910c | 27 | * MARMEX_OB_oled_oled OLED screen SPI access length setting |
diasea | 0:9adb08a2910c | 28 | * Enabling "MARMEX_OB_SPI_8BIT_MODE" makes 9bit SPI access by 8bit * 2 times. |
diasea | 0:9adb08a2910c | 29 | * This may be useful if other 8bit access SPI device on same SPI bus. |
diasea | 0:9adb08a2910c | 30 | * |
diasea | 0:9adb08a2910c | 31 | * If disabled (just coment out the "#define MARMEX_OB_SPI_8BIT_MODE"), SPI access willbe done by 9 bit format. |
diasea | 0:9adb08a2910c | 32 | */ |
diasea | 0:9adb08a2910c | 33 | //#define MARMEX_OB_SPI_8BIT_MODE |
diasea | 0:9adb08a2910c | 34 | |
diasea | 0:9adb08a2910c | 35 | /** MARMEX_OB_oled OLED screen drawing class |
diasea | 0:9adb08a2910c | 36 | * |
diasea | 0:9adb08a2910c | 37 | * This is a driver code for MARMEX_OB_oled board OLED screen. |
diasea | 0:9adb08a2910c | 38 | * This class inherits NokiaLCD class of mbed.org. |
diasea | 0:9adb08a2910c | 39 | * To use this class, import the NokiaLCD class from here.. |
diasea | 0:9adb08a2910c | 40 | * http://mbed.org/users/simon/libraries/NokiaLCD/ |
diasea | 0:9adb08a2910c | 41 | * |
diasea | 0:9adb08a2910c | 42 | * Example: |
diasea | 0:9adb08a2910c | 43 | * @code |
diasea | 0:9adb08a2910c | 44 | * #include "mbed.h" |
diasea | 0:9adb08a2910c | 45 | * #include "MARMEX_OB_oled.h" |
diasea | 0:9adb08a2910c | 46 | * |
diasea | 0:9adb08a2910c | 47 | * // oled1 is for MARMEX_OB_oled board on MAPLE slot 1 |
diasea | 0:9adb08a2910c | 48 | * // oled1 is for MARMEX_OB_oled board on MAPLE slot 2 |
diasea | 0:9adb08a2910c | 49 | * |
diasea | 0:9adb08a2910c | 50 | * MARMEX_OB_oled oled1( p5, p7, p8, p30, p11 ); // mosi, sclk, cs, rst, power_control |
diasea | 0:9adb08a2910c | 51 | * //MARMEX_OB_oled oled2( p5, p7, p26, p21, p17 ); // mosi, sclk, cs, rst, power_control |
diasea | 0:9adb08a2910c | 52 | * |
diasea | 0:9adb08a2910c | 53 | * |
diasea | 0:9adb08a2910c | 54 | * int main() { |
diasea | 0:9adb08a2910c | 55 | * oled1.background( 0x000000 ); |
diasea | 0:9adb08a2910c | 56 | * oled1.cls(); |
diasea | 0:9adb08a2910c | 57 | * |
diasea | 0:9adb08a2910c | 58 | * int colorbar_width = MARMEX_OB_oled::WIDTH / 8; |
diasea | 0:9adb08a2910c | 59 | * |
diasea | 0:9adb08a2910c | 60 | * for ( int i = 0; i < 8; i++ ) |
diasea | 0:9adb08a2910c | 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) ); |
diasea | 0:9adb08a2910c | 62 | * |
diasea | 0:9adb08a2910c | 63 | * oled1.fill( 50, 50, 64, 64, 0xCCCCCC );; |
diasea | 0:9adb08a2910c | 64 | * |
diasea | 0:9adb08a2910c | 65 | * oled1.locate( 0, 3 ); |
diasea | 0:9adb08a2910c | 66 | * oled1.printf( "Hello World!" ); |
diasea | 0:9adb08a2910c | 67 | * oled1.locate( 0, 4 ); |
diasea | 0:9adb08a2910c | 68 | * oled1.printf( "SPI = %s", MERMEX_OB_SPI_MODE_STR ); |
diasea | 0:9adb08a2910c | 69 | * |
diasea | 0:9adb08a2910c | 70 | * for (int i = 0; i < MARMEX_OB_oled::WIDTH; i++ ) { |
diasea | 0:9adb08a2910c | 71 | * oled1.pixel( i, 80 + sin( (float)i / 5.0 ) * 10, 0x000000 ); |
diasea | 0:9adb08a2910c | 72 | * } |
diasea | 0:9adb08a2910c | 73 | * } * @endcode |
diasea | 0:9adb08a2910c | 74 | */ |
diasea | 0:9adb08a2910c | 75 | |
diasea | 0:9adb08a2910c | 76 | class MARMEX_OB_oled : public NokiaLCD { |
diasea | 0:9adb08a2910c | 77 | |
diasea | 0:9adb08a2910c | 78 | public: |
diasea | 0:9adb08a2910c | 79 | |
diasea | 0:9adb08a2910c | 80 | /** General parameters for MARMEX_OB_oled */ |
diasea | 0:9adb08a2910c | 81 | enum { |
diasea | 0:9adb08a2910c | 82 | ROWS = 15, /**< # of rows (lines) for displaying characters */ |
diasea | 0:9adb08a2910c | 83 | COLS = 16, /**< # of columns (width) for displaying characters */ |
diasea | 0:9adb08a2910c | 84 | WIDTH = 128, /**< screen width [pixels] */ |
diasea | 0:9adb08a2910c | 85 | HEIGHT = 128, /**< screen height [pixels] */ |
diasea | 1:1106831b0509 | 86 | // SPI_FREQUENCY = 20000000 /**< SPI (sclk) SPI_FREQUENCY */ |
diasea | 1:1106831b0509 | 87 | SPI_FREQUENCY = 16000000 /**< SPI (sclk) SPI_FREQUENCY */ |
diasea | 0:9adb08a2910c | 88 | }; |
diasea | 0:9adb08a2910c | 89 | |
diasea | 0:9adb08a2910c | 90 | /** Constants for power() function */ |
diasea | 0:9adb08a2910c | 91 | enum { |
diasea | 0:9adb08a2910c | 92 | OFF = 0, /**< : to turning-OFF */ |
diasea | 0:9adb08a2910c | 93 | ON /**< : to turning-ON */ |
diasea | 0:9adb08a2910c | 94 | }; |
diasea | 0:9adb08a2910c | 95 | |
diasea | 0:9adb08a2910c | 96 | /** Create a MARMEX_OB_oled object connected to specified SPI and DigitalOut pins |
diasea | 0:9adb08a2910c | 97 | * |
diasea | 0:9adb08a2910c | 98 | * @param mosi SPI-MOSI pin (for MAPLE board, use p5) |
diasea | 0:9adb08a2910c | 99 | * @param sclk SPI-SCLK pin (for MAPLE board, use p8) |
diasea | 0:9adb08a2910c | 100 | * @param cs chip select signal (for MAPLE board, use p8(slot1), p26(slot2)) |
diasea | 0:9adb08a2910c | 101 | * @param rst reset signal (for MAPLE board, use p30(slot1), p21(slot2)) |
diasea | 0:9adb08a2910c | 102 | * @param power_pin backlight power control signal (for MAPLE board, use p11(slot1), p17(slot2)) |
diasea | 0:9adb08a2910c | 103 | * |
diasea | 0:9adb08a2910c | 104 | * Example of MARMEX_OB_oled on MAPLE board: |
diasea | 0:9adb08a2910c | 105 | * @code |
diasea | 0:9adb08a2910c | 106 | * #include "mbed.h" |
diasea | 0:9adb08a2910c | 107 | * #include "MARMEX_OB_oled.h" |
diasea | 0:9adb08a2910c | 108 | * |
diasea | 0:9adb08a2910c | 109 | * MARMEX_OB_oled oled_on_maple_slot1( p5, p7, p8, p30, p11 ); // mosi, sclk, cs, rst, power_control |
diasea | 0:9adb08a2910c | 110 | * MARMEX_OB_oled oled_on_maple_slot2( p5, p7, p26, p21, p17 ); // mosi, sclk, cs, rst, power_control |
diasea | 0:9adb08a2910c | 111 | * ... |
diasea | 0:9adb08a2910c | 112 | * .. |
diasea | 0:9adb08a2910c | 113 | * @endcode |
diasea | 0:9adb08a2910c | 114 | */ |
diasea | 0:9adb08a2910c | 115 | |
diasea | 0:9adb08a2910c | 116 | 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 ) { |
diasea | 0:9adb08a2910c | 117 | power( ON ); |
diasea | 0:9adb08a2910c | 118 | reset(); |
diasea | 0:9adb08a2910c | 119 | } |
diasea | 0:9adb08a2910c | 120 | |
diasea | 0:9adb08a2910c | 121 | #if DOXYGEN_ONLY |
diasea | 0:9adb08a2910c | 122 | /** Write a character to the LCD |
diasea | 0:9adb08a2910c | 123 | * |
diasea | 0:9adb08a2910c | 124 | * @param c The character to write to the display |
diasea | 0:9adb08a2910c | 125 | */ |
diasea | 0:9adb08a2910c | 126 | int putc( int c ); |
diasea | 0:9adb08a2910c | 127 | |
diasea | 0:9adb08a2910c | 128 | /** Write a formated string to the LCD |
diasea | 0:9adb08a2910c | 129 | * |
diasea | 0:9adb08a2910c | 130 | * @param format A printf-style format string, followed by the |
diasea | 0:9adb08a2910c | 131 | * variables to use in formating the string. |
diasea | 0:9adb08a2910c | 132 | * |
diasea | 0:9adb08a2910c | 133 | * !!! 16th character in the string will be disappeared |
diasea | 0:9adb08a2910c | 134 | * !!! This problem is due to difference of screen size NokiaLCD library and its internal mechanism... |
diasea | 0:9adb08a2910c | 135 | */ |
diasea | 0:9adb08a2910c | 136 | int printf( const char* format, ... ); |
diasea | 0:9adb08a2910c | 137 | |
diasea | 0:9adb08a2910c | 138 | /** Set the foreground colour |
diasea | 0:9adb08a2910c | 139 | * |
diasea | 0:9adb08a2910c | 140 | * @param c 24-bit colour |
diasea | 0:9adb08a2910c | 141 | */ |
diasea | 0:9adb08a2910c | 142 | void foreground(int c); |
diasea | 0:9adb08a2910c | 143 | |
diasea | 0:9adb08a2910c | 144 | /** Set the background colour |
diasea | 0:9adb08a2910c | 145 | * |
diasea | 0:9adb08a2910c | 146 | * @param c 24-bit colour |
diasea | 0:9adb08a2910c | 147 | */ |
diasea | 0:9adb08a2910c | 148 | void background(int c); |
diasea | 0:9adb08a2910c | 149 | |
diasea | 0:9adb08a2910c | 150 | #endif |
diasea | 0:9adb08a2910c | 151 | |
diasea | 0:9adb08a2910c | 152 | /** reset MARMEX_OB_oled |
diasea | 0:9adb08a2910c | 153 | * |
diasea | 0:9adb08a2910c | 154 | * Executes hardware reset and initialize. |
diasea | 0:9adb08a2910c | 155 | * See MARMEX_OB_oled manual for the initialization sequence and values |
diasea | 0:9adb08a2910c | 156 | * For gamma correction table, using math function to make the code simple |
diasea | 0:9adb08a2910c | 157 | */ |
diasea | 0:9adb08a2910c | 158 | |
diasea | 0:9adb08a2910c | 159 | void reset( void ) { |
diasea | 0:9adb08a2910c | 160 | |
diasea | 0:9adb08a2910c | 161 | #define GAMMA_LUT_SIZE 63 |
diasea | 0:9adb08a2910c | 162 | unsigned char gamma_LUT[ GAMMA_LUT_SIZE ]; |
diasea | 0:9adb08a2910c | 163 | |
diasea | 0:9adb08a2910c | 164 | for ( int i = 0; i < GAMMA_LUT_SIZE; i++ ) |
diasea | 0:9adb08a2910c | 165 | gamma_LUT[ i ] = (unsigned char)(powf( ((float)i / 62.0), (1.0 / 0.58) ) * 178.0 + 2.0); |
diasea | 0:9adb08a2910c | 166 | |
diasea | 0:9adb08a2910c | 167 | // setup the SPI interface and bring display out of reset |
diasea | 0:9adb08a2910c | 168 | _cs = 1; |
diasea | 0:9adb08a2910c | 169 | _rst = 0; |
diasea | 0:9adb08a2910c | 170 | #ifdef MARMEX_OB_SPI_8BIT_MODE |
diasea | 0:9adb08a2910c | 171 | _spi.format( 8 ); |
diasea | 0:9adb08a2910c | 172 | #else |
diasea | 0:9adb08a2910c | 173 | _spi.format( 9 ); |
diasea | 0:9adb08a2910c | 174 | #endif |
diasea | 0:9adb08a2910c | 175 | |
diasea | 0:9adb08a2910c | 176 | _spi.frequency( SPI_FREQUENCY ); |
diasea | 0:9adb08a2910c | 177 | wait_ms( 1 ); |
diasea | 0:9adb08a2910c | 178 | _rst = 1; |
diasea | 0:9adb08a2910c | 179 | wait_ms( 1 ); |
diasea | 0:9adb08a2910c | 180 | |
diasea | 0:9adb08a2910c | 181 | _cs = 0; |
diasea | 0:9adb08a2910c | 182 | |
diasea | 0:9adb08a2910c | 183 | command( SET_DISPLAY_MODE_ALL_OFF ); |
diasea | 0:9adb08a2910c | 184 | command( SET_COMMAND_LOCK ); |
diasea | 0:9adb08a2910c | 185 | data( 0x12 ); |
diasea | 0:9adb08a2910c | 186 | |
diasea | 0:9adb08a2910c | 187 | command( SET_COMMAND_LOCK ); |
diasea | 0:9adb08a2910c | 188 | data( 0xb1 ); |
diasea | 0:9adb08a2910c | 189 | |
diasea | 0:9adb08a2910c | 190 | command( SET_SLEEP_MODE_ON ); |
diasea | 0:9adb08a2910c | 191 | |
diasea | 0:9adb08a2910c | 192 | command( FRONT_CLOCK_DRIVER_OSC_FREQ ); |
diasea | 0:9adb08a2910c | 193 | data( 0xF1 ); |
diasea | 0:9adb08a2910c | 194 | |
diasea | 0:9adb08a2910c | 195 | command( SET_MUX_RATIO ); |
diasea | 0:9adb08a2910c | 196 | data( 0x7F ); |
diasea | 0:9adb08a2910c | 197 | |
diasea | 0:9adb08a2910c | 198 | command( SET_DISPAY_OFFSET ); |
diasea | 0:9adb08a2910c | 199 | data( 0x00 ); |
diasea | 0:9adb08a2910c | 200 | |
diasea | 0:9adb08a2910c | 201 | command( SET_DISPAY_START_LINE ); |
diasea | 0:9adb08a2910c | 202 | data( 0x00 ); |
diasea | 0:9adb08a2910c | 203 | |
diasea | 0:9adb08a2910c | 204 | command( SET_REMAP_COLOR_DEPTH ); |
diasea | 0:9adb08a2910c | 205 | data( 0x74 ); |
diasea | 0:9adb08a2910c | 206 | |
diasea | 0:9adb08a2910c | 207 | command( SET_GPIO ); |
diasea | 0:9adb08a2910c | 208 | data( 0x00); |
diasea | 0:9adb08a2910c | 209 | |
diasea | 0:9adb08a2910c | 210 | command( FUNCTION_SELECTION ); |
diasea | 0:9adb08a2910c | 211 | data( 0x01 ); |
diasea | 0:9adb08a2910c | 212 | |
diasea | 0:9adb08a2910c | 213 | command( SET_SEGMENT_LOW_VOLTAGE ); |
diasea | 0:9adb08a2910c | 214 | data( 0xA0 ); |
diasea | 0:9adb08a2910c | 215 | data( 0xB5 ); |
diasea | 0:9adb08a2910c | 216 | data( 0x55 ); |
diasea | 0:9adb08a2910c | 217 | |
diasea | 0:9adb08a2910c | 218 | command( SET_CONTRAST_CURRENT_FOR_COLOR_ABC ); |
diasea | 0:9adb08a2910c | 219 | data( 0xC8 ); |
diasea | 0:9adb08a2910c | 220 | data( 0x80 ); |
diasea | 0:9adb08a2910c | 221 | data( 0xC8 ); |
diasea | 0:9adb08a2910c | 222 | |
diasea | 0:9adb08a2910c | 223 | command( MASTER_CONTRAST_CURRENT_CONTROL ); |
diasea | 0:9adb08a2910c | 224 | data( 0x0F ); |
diasea | 0:9adb08a2910c | 225 | |
diasea | 0:9adb08a2910c | 226 | command( LOOKUP_TABLE_FOR_GRAYSCALE_PULSE_WIDTH ); |
diasea | 0:9adb08a2910c | 227 | for ( int i = 0; i < GAMMA_LUT_SIZE; i++ ) |
diasea | 0:9adb08a2910c | 228 | data( gamma_LUT[ i ] ); |
diasea | 0:9adb08a2910c | 229 | |
diasea | 0:9adb08a2910c | 230 | command( SET_RESET_PRECHARGE_PERIOD ); |
diasea | 0:9adb08a2910c | 231 | data( 0x32 ); |
diasea | 0:9adb08a2910c | 232 | |
diasea | 0:9adb08a2910c | 233 | command( ENHANCE_DRIVING_SCHEME_CAPABILITY ); |
diasea | 0:9adb08a2910c | 234 | data( 0x04 ); |
diasea | 0:9adb08a2910c | 235 | data( 0x00 ); |
diasea | 0:9adb08a2910c | 236 | data( 0x00 ); |
diasea | 0:9adb08a2910c | 237 | |
diasea | 0:9adb08a2910c | 238 | command( SET_PRECHARGE_VOLTAGE ); |
diasea | 0:9adb08a2910c | 239 | data( 0x17 ); |
diasea | 0:9adb08a2910c | 240 | |
diasea | 0:9adb08a2910c | 241 | command( SET_SECOND_PRECHARGE_VOLTAGE ); |
diasea | 0:9adb08a2910c | 242 | data( 0x01 ); |
diasea | 0:9adb08a2910c | 243 | |
diasea | 0:9adb08a2910c | 244 | command( SET_VCOMH_VOLTAGE ); |
diasea | 0:9adb08a2910c | 245 | data( 0x05 ); |
diasea | 0:9adb08a2910c | 246 | |
diasea | 0:9adb08a2910c | 247 | command( SET_DISPLAY_MODE_RESET ); |
diasea | 0:9adb08a2910c | 248 | |
diasea | 0:9adb08a2910c | 249 | #if 0 |
diasea | 0:9adb08a2910c | 250 | command( SET_COLUMN_ADDRESS ); |
diasea | 0:9adb08a2910c | 251 | data( 0x00 ); |
diasea | 0:9adb08a2910c | 252 | data( 0x7F ); |
diasea | 0:9adb08a2910c | 253 | |
diasea | 0:9adb08a2910c | 254 | command( SET_ROW_ADDRESS ); |
diasea | 0:9adb08a2910c | 255 | data( 0x00 ); |
diasea | 0:9adb08a2910c | 256 | data( 0x7F); |
diasea | 0:9adb08a2910c | 257 | |
diasea | 0:9adb08a2910c | 258 | command( WRITE_RAM_COMMAND ); |
diasea | 0:9adb08a2910c | 259 | for ( int i = 0; i < WIDTH * HEIGHT; i++ ) |
diasea | 0:9adb08a2910c | 260 | data( 0x00 ); |
diasea | 0:9adb08a2910c | 261 | #endif |
diasea | 0:9adb08a2910c | 262 | _cs = 1; |
diasea | 0:9adb08a2910c | 263 | |
diasea | 0:9adb08a2910c | 264 | cls(); |
diasea | 0:9adb08a2910c | 265 | wait_ms( 200 ); |
diasea | 0:9adb08a2910c | 266 | |
diasea | 0:9adb08a2910c | 267 | command( SET_SLEEP_MODE_OFF ); |
diasea | 0:9adb08a2910c | 268 | } |
diasea | 0:9adb08a2910c | 269 | |
diasea | 0:9adb08a2910c | 270 | /** Clear the screen and locate to 0,0 */ |
diasea | 0:9adb08a2910c | 271 | |
diasea | 0:9adb08a2910c | 272 | void cls( void ) { |
diasea | 0:9adb08a2910c | 273 | fill( 0, 0, WIDTH , HEIGHT, _background ); |
diasea | 0:9adb08a2910c | 274 | _row = 0; |
diasea | 0:9adb08a2910c | 275 | _column = 0; |
diasea | 0:9adb08a2910c | 276 | } |
diasea | 0:9adb08a2910c | 277 | |
diasea | 0:9adb08a2910c | 278 | /** Set a pixel on te screen |
diasea | 0:9adb08a2910c | 279 | * |
diasea | 0:9adb08a2910c | 280 | * @param x horizontal position from left |
diasea | 0:9adb08a2910c | 281 | * @param y vertical position from top |
diasea | 0:9adb08a2910c | 282 | * @param colour 24-bit colour in format 0x00RRGGBB |
diasea | 0:9adb08a2910c | 283 | */ |
diasea | 0:9adb08a2910c | 284 | |
diasea | 0:9adb08a2910c | 285 | virtual void pixel( int x, int y, int colour ) { |
diasea | 0:9adb08a2910c | 286 | _cs = 0; |
diasea | 0:9adb08a2910c | 287 | _window( x, y, 1, 1 ); |
diasea | 0:9adb08a2910c | 288 | _putp( colour ); |
diasea | 0:9adb08a2910c | 289 | _cs = 1; |
diasea | 0:9adb08a2910c | 290 | } |
diasea | 0:9adb08a2910c | 291 | |
diasea | 0:9adb08a2910c | 292 | /** Fill an area of the screen |
diasea | 0:9adb08a2910c | 293 | * |
diasea | 0:9adb08a2910c | 294 | * @param x horizontal position from left |
diasea | 0:9adb08a2910c | 295 | * @param y vertical position from top |
diasea | 0:9adb08a2910c | 296 | * @param width width in pixels |
diasea | 0:9adb08a2910c | 297 | * @param height height in pixels |
diasea | 0:9adb08a2910c | 298 | * @param colour 24-bit colour in format 0x00RRGGBB |
diasea | 0:9adb08a2910c | 299 | */ |
diasea | 0:9adb08a2910c | 300 | |
diasea | 0:9adb08a2910c | 301 | void fill( int x, int y, int width, int height, int colour ) { |
diasea | 0:9adb08a2910c | 302 | _cs = 0; |
diasea | 0:9adb08a2910c | 303 | _window( x, y, width, height ); |
diasea | 0:9adb08a2910c | 304 | |
diasea | 0:9adb08a2910c | 305 | for (int i = 0; i < width * height; i++ ) { |
diasea | 0:9adb08a2910c | 306 | _putp( colour ); |
diasea | 0:9adb08a2910c | 307 | } |
diasea | 0:9adb08a2910c | 308 | |
diasea | 0:9adb08a2910c | 309 | _window( 0, 0, WIDTH, HEIGHT ); |
diasea | 0:9adb08a2910c | 310 | _cs = 1; |
diasea | 0:9adb08a2910c | 311 | } |
diasea | 0:9adb08a2910c | 312 | |
diasea | 0:9adb08a2910c | 313 | void blit( int x, int y, int width, int height, const int* colour ) { |
diasea | 0:9adb08a2910c | 314 | _cs = 0; |
diasea | 0:9adb08a2910c | 315 | _window( x, y, width, height ); |
diasea | 0:9adb08a2910c | 316 | |
diasea | 0:9adb08a2910c | 317 | for (int i = 0; i < width * height; i++ ) { |
diasea | 0:9adb08a2910c | 318 | _putp( colour[i] ); |
diasea | 0:9adb08a2910c | 319 | } |
diasea | 0:9adb08a2910c | 320 | _window( 0, 0, WIDTH, HEIGHT ); |
diasea | 0:9adb08a2910c | 321 | _cs = 1; |
diasea | 0:9adb08a2910c | 322 | } |
diasea | 0:9adb08a2910c | 323 | |
diasea | 0:9adb08a2910c | 324 | void bitblit( int x, int y, int width, int height, const char* bitstream ) { |
diasea | 0:9adb08a2910c | 325 | _cs = 0; |
diasea | 0:9adb08a2910c | 326 | _window( x, y, width, height ); |
diasea | 0:9adb08a2910c | 327 | |
diasea | 0:9adb08a2910c | 328 | for (int i = 0; i < height * width; i++ ) { |
diasea | 0:9adb08a2910c | 329 | int byte = i / 8; |
diasea | 0:9adb08a2910c | 330 | int bit = i % 8; |
diasea | 0:9adb08a2910c | 331 | int colour = ((bitstream[ byte ] << bit) & 0x80) ? _foreground : _background; |
diasea | 0:9adb08a2910c | 332 | _putp( colour ); |
diasea | 0:9adb08a2910c | 333 | } |
diasea | 0:9adb08a2910c | 334 | _window( 0, 0, _width, _height ); |
diasea | 0:9adb08a2910c | 335 | _cs = 1; |
diasea | 0:9adb08a2910c | 336 | } |
diasea | 0:9adb08a2910c | 337 | |
diasea | 0:9adb08a2910c | 338 | /** Screen width |
diasea | 0:9adb08a2910c | 339 | * |
diasea | 0:9adb08a2910c | 340 | * @return screen width [pixel] |
diasea | 0:9adb08a2910c | 341 | */ |
diasea | 0:9adb08a2910c | 342 | int width() { |
diasea | 0:9adb08a2910c | 343 | return WIDTH; |
diasea | 0:9adb08a2910c | 344 | } |
diasea | 0:9adb08a2910c | 345 | |
diasea | 0:9adb08a2910c | 346 | /** Screen height |
diasea | 0:9adb08a2910c | 347 | * |
diasea | 0:9adb08a2910c | 348 | * @return screen height [pixel] |
diasea | 0:9adb08a2910c | 349 | */ |
diasea | 0:9adb08a2910c | 350 | int height() { |
diasea | 0:9adb08a2910c | 351 | return HEIGHT; |
diasea | 0:9adb08a2910c | 352 | } |
diasea | 0:9adb08a2910c | 353 | /** Columns |
diasea | 0:9adb08a2910c | 354 | * |
diasea | 0:9adb08a2910c | 355 | * @return screen columns |
diasea | 0:9adb08a2910c | 356 | */ |
diasea | 0:9adb08a2910c | 357 | int columns() { |
diasea | 0:9adb08a2910c | 358 | return COLS; |
diasea | 0:9adb08a2910c | 359 | } |
diasea | 0:9adb08a2910c | 360 | |
diasea | 0:9adb08a2910c | 361 | /** Rows |
diasea | 0:9adb08a2910c | 362 | * |
diasea | 0:9adb08a2910c | 363 | * @return screen rows |
diasea | 0:9adb08a2910c | 364 | */ |
diasea | 0:9adb08a2910c | 365 | int rows() { |
diasea | 0:9adb08a2910c | 366 | return ROWS; |
diasea | 0:9adb08a2910c | 367 | } |
diasea | 0:9adb08a2910c | 368 | |
diasea | 0:9adb08a2910c | 369 | /** Power switch for OLED backlight |
diasea | 0:9adb08a2910c | 370 | * |
diasea | 0:9adb08a2910c | 371 | * @param sw argument can be MARMEX_OB_oled::ON or MARMEX_OB_oled::OFF |
diasea | 0:9adb08a2910c | 372 | */ |
diasea | 0:9adb08a2910c | 373 | |
diasea | 0:9adb08a2910c | 374 | void power( unsigned char sw ) { |
diasea | 0:9adb08a2910c | 375 | _power_pin = sw; |
diasea | 0:9adb08a2910c | 376 | } |
diasea | 0:9adb08a2910c | 377 | |
diasea | 0:9adb08a2910c | 378 | protected: //private: |
diasea | 0:9adb08a2910c | 379 | /** Command list for the OLED controller */ |
diasea | 0:9adb08a2910c | 380 | enum { |
diasea | 0:9adb08a2910c | 381 | SET_DISPLAY_MODE_ALL_OFF = 0xA4, |
diasea | 0:9adb08a2910c | 382 | SET_COMMAND_LOCK = 0xFD, |
diasea | 0:9adb08a2910c | 383 | SET_SLEEP_MODE_ON = 0xAE, |
diasea | 0:9adb08a2910c | 384 | FRONT_CLOCK_DRIVER_OSC_FREQ = 0xB3, |
diasea | 0:9adb08a2910c | 385 | SET_MUX_RATIO = 0xCA, |
diasea | 0:9adb08a2910c | 386 | SET_DISPAY_OFFSET = 0xA2, |
diasea | 0:9adb08a2910c | 387 | SET_DISPAY_START_LINE = 0xA1, |
diasea | 0:9adb08a2910c | 388 | SET_REMAP_COLOR_DEPTH = 0xA0, |
diasea | 0:9adb08a2910c | 389 | SET_GPIO = 0xB5, |
diasea | 0:9adb08a2910c | 390 | FUNCTION_SELECTION = 0xAB, |
diasea | 0:9adb08a2910c | 391 | SET_SEGMENT_LOW_VOLTAGE = 0xB4, |
diasea | 0:9adb08a2910c | 392 | SET_CONTRAST_CURRENT_FOR_COLOR_ABC = 0xC1, |
diasea | 0:9adb08a2910c | 393 | MASTER_CONTRAST_CURRENT_CONTROL = 0xC7, |
diasea | 0:9adb08a2910c | 394 | LOOKUP_TABLE_FOR_GRAYSCALE_PULSE_WIDTH = 0xB8, |
diasea | 0:9adb08a2910c | 395 | SET_RESET_PRECHARGE_PERIOD = 0xB1, |
diasea | 0:9adb08a2910c | 396 | ENHANCE_DRIVING_SCHEME_CAPABILITY = 0xB2, |
diasea | 0:9adb08a2910c | 397 | SET_PRECHARGE_VOLTAGE = 0xBB, |
diasea | 0:9adb08a2910c | 398 | SET_SECOND_PRECHARGE_VOLTAGE = 0xB6, |
diasea | 0:9adb08a2910c | 399 | SET_VCOMH_VOLTAGE = 0xBE, |
diasea | 0:9adb08a2910c | 400 | SET_DISPLAY_MODE_RESET = 0xA6, |
diasea | 0:9adb08a2910c | 401 | SET_COLUMN_ADDRESS = 0x15, |
diasea | 0:9adb08a2910c | 402 | SET_ROW_ADDRESS = 0x75, |
diasea | 0:9adb08a2910c | 403 | WRITE_RAM_COMMAND = 0x5C, |
diasea | 0:9adb08a2910c | 404 | SET_SLEEP_MODE_OFF = 0xAF |
diasea | 0:9adb08a2910c | 405 | }; |
diasea | 0:9adb08a2910c | 406 | |
diasea | 0:9adb08a2910c | 407 | #ifdef MARMEX_OB_SPI_8BIT_MODE |
diasea | 0:9adb08a2910c | 408 | void command( int value ) { |
diasea | 0:9adb08a2910c | 409 | int tmp = value & 0x00ff; |
diasea | 0:9adb08a2910c | 410 | _cs = 0; |
diasea | 0:9adb08a2910c | 411 | _spi.write( tmp >> 1 ); |
diasea | 0:9adb08a2910c | 412 | _spi.write( tmp << 7 ); |
diasea | 0:9adb08a2910c | 413 | _cs = 1; |
diasea | 0:9adb08a2910c | 414 | } |
diasea | 0:9adb08a2910c | 415 | |
diasea | 0:9adb08a2910c | 416 | void data( int value ) { |
diasea | 0:9adb08a2910c | 417 | int tmp = value & 0x00ff; |
diasea | 0:9adb08a2910c | 418 | tmp |= 0x0100; |
diasea | 0:9adb08a2910c | 419 | _cs = 0; |
diasea | 0:9adb08a2910c | 420 | _spi.write( tmp >> 1 ); |
diasea | 0:9adb08a2910c | 421 | _spi.write( tmp << 7 ); |
diasea | 0:9adb08a2910c | 422 | _cs = 1; |
diasea | 0:9adb08a2910c | 423 | } |
diasea | 0:9adb08a2910c | 424 | #else |
diasea | 0:9adb08a2910c | 425 | void command( int value ) { |
diasea | 0:9adb08a2910c | 426 | _cs = 0; |
diasea | 0:9adb08a2910c | 427 | _spi.write( value & 0xFF ); |
diasea | 0:9adb08a2910c | 428 | _cs = 1; |
diasea | 0:9adb08a2910c | 429 | } |
diasea | 0:9adb08a2910c | 430 | |
diasea | 0:9adb08a2910c | 431 | void data(int value) { |
diasea | 0:9adb08a2910c | 432 | _cs = 0; |
diasea | 0:9adb08a2910c | 433 | _spi.write( value | 0x100 ); |
diasea | 0:9adb08a2910c | 434 | _cs = 1; |
diasea | 0:9adb08a2910c | 435 | } |
diasea | 0:9adb08a2910c | 436 | #endif |
diasea | 0:9adb08a2910c | 437 | |
diasea | 0:9adb08a2910c | 438 | virtual void _window( int x, int y, int width, int height ) { |
diasea | 0:9adb08a2910c | 439 | int x1 = x + 0; |
diasea | 0:9adb08a2910c | 440 | int y1 = y + 0; |
diasea | 0:9adb08a2910c | 441 | int x2 = x1 + width - 1; |
diasea | 0:9adb08a2910c | 442 | int y2 = y1 + height - 1; |
diasea | 0:9adb08a2910c | 443 | |
diasea | 0:9adb08a2910c | 444 | command( SET_COLUMN_ADDRESS ); |
diasea | 0:9adb08a2910c | 445 | data( x1 ); |
diasea | 0:9adb08a2910c | 446 | data( x2 ); |
diasea | 0:9adb08a2910c | 447 | command( SET_ROW_ADDRESS ); |
diasea | 0:9adb08a2910c | 448 | data( y1 ); |
diasea | 0:9adb08a2910c | 449 | data( y2 ); |
diasea | 0:9adb08a2910c | 450 | command( WRITE_RAM_COMMAND ); |
diasea | 0:9adb08a2910c | 451 | } |
diasea | 0:9adb08a2910c | 452 | |
diasea | 0:9adb08a2910c | 453 | void window( int x, int y, int width, int height ) { |
diasea | 0:9adb08a2910c | 454 | _cs = 0; |
diasea | 0:9adb08a2910c | 455 | _window( x, y, width, height ); |
diasea | 0:9adb08a2910c | 456 | _cs = 1; |
diasea | 0:9adb08a2910c | 457 | } |
diasea | 0:9adb08a2910c | 458 | |
diasea | 0:9adb08a2910c | 459 | virtual void _putp( int colour ) { |
diasea | 0:9adb08a2910c | 460 | int cnv = 0; |
diasea | 0:9adb08a2910c | 461 | |
diasea | 0:9adb08a2910c | 462 | cnv = (colour >> 8) & 0xf800; |
diasea | 0:9adb08a2910c | 463 | cnv |= (colour >> 5) & 0x07e0; |
diasea | 0:9adb08a2910c | 464 | cnv |= (colour >> 3) & 0x001f; |
diasea | 0:9adb08a2910c | 465 | |
diasea | 0:9adb08a2910c | 466 | data( cnv >> 8); |
diasea | 0:9adb08a2910c | 467 | data( cnv ); |
diasea | 0:9adb08a2910c | 468 | } |
diasea | 0:9adb08a2910c | 469 | |
diasea | 0:9adb08a2910c | 470 | DigitalOut _power_pin; |
diasea | 0:9adb08a2910c | 471 | } |
diasea | 0:9adb08a2910c | 472 | ; |
diasea | 0:9adb08a2910c | 473 | |
diasea | 0:9adb08a2910c | 474 | #ifdef MARMEX_OB_SPI_8BIT_MODE |
diasea | 0:9adb08a2910c | 475 | #define MERMEX_OB_SPI_MODE_STR "8bit mode" |
diasea | 0:9adb08a2910c | 476 | #else |
diasea | 0:9adb08a2910c | 477 | #define MERMEX_OB_SPI_MODE_STR "9bit mode" |
diasea | 0:9adb08a2910c | 478 | #endif |
diasea | 0:9adb08a2910c | 479 | #endif // MBED_MARMEX_OB_OLED |
diasea | 0:9adb08a2910c | 480 | |
diasea | 0:9adb08a2910c | 481 | /* |
diasea | 0:9adb08a2910c | 482 | * history: |
diasea | 0:9adb08a2910c | 483 | * 0.5 (2011-Apr-07) : initial published version |
diasea | 0:9adb08a2910c | 484 | * 0.51 (2011-Apr-08) : a. "virtual" had been added on "_putp()" function definition to surpress warning when compiling (is this correct way?) |
diasea | 0:9adb08a2910c | 485 | * b. sample code (for Doxygen) is changed from new "main.cpp (ver 0.51)" |
diasea | 0:9adb08a2910c | 486 | */ |