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Description dans le rapport.
Diff: SeeedGrayOLED.cpp
- Revision:
- 0:34945468db9f
diff -r 000000000000 -r 34945468db9f SeeedGrayOLED.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SeeedGrayOLED.cpp Sun Apr 02 09:48:30 2017 +0000 @@ -0,0 +1,438 @@ +/* + * SeeedGrayOLED.cpp + * SSD1327 Gray OLED Driver Library for SSD1327 + * + * Copyright (c) 2011 seeed technology inc. + * Author : Visweswara R + * Create Time : Dec 2011 + * Change Log : + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +//#include "mbed.h" +#include "SeeedGrayOLED.h" +#include <stdio.h> +#include <string.h> + +// 8x8 Font ASCII 32 - 127 Implemented +// Users can modify this to support more characters(glyphs) +// BasicFont is placed in code memory. + +// This font can be freely used without any restriction(It is placed in public domain) +// const unsigned char BasicFont[][8] PROGMEM= + + +const uint8_t BasicFont[][8] = { + {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, + {0x00,0x00,0x5F,0x00,0x00,0x00,0x00,0x00}, + {0x00,0x00,0x07,0x00,0x07,0x00,0x00,0x00}, + {0x00,0x14,0x7F,0x14,0x7F,0x14,0x00,0x00}, + {0x00,0x24,0x2A,0x7F,0x2A,0x12,0x00,0x00}, + {0x00,0x23,0x13,0x08,0x64,0x62,0x00,0x00}, + {0x00,0x36,0x49,0x55,0x22,0x50,0x00,0x00}, + {0x00,0x00,0x05,0x03,0x00,0x00,0x00,0x00}, + {0x00,0x1C,0x22,0x41,0x00,0x00,0x00,0x00}, + {0x00,0x41,0x22,0x1C,0x00,0x00,0x00,0x00}, + {0x00,0x08,0x2A,0x1C,0x2A,0x08,0x00,0x00}, + {0x00,0x08,0x08,0x3E,0x08,0x08,0x00,0x00}, + {0x00,0xA0,0x60,0x00,0x00,0x00,0x00,0x00}, + {0x00,0x08,0x08,0x08,0x08,0x08,0x00,0x00}, + {0x00,0x60,0x60,0x00,0x00,0x00,0x00,0x00}, + {0x00,0x20,0x10,0x08,0x04,0x02,0x00,0x00}, + {0x00,0x3E,0x51,0x49,0x45,0x3E,0x00,0x00}, + {0x00,0x00,0x42,0x7F,0x40,0x00,0x00,0x00}, + {0x00,0x62,0x51,0x49,0x49,0x46,0x00,0x00}, + {0x00,0x22,0x41,0x49,0x49,0x36,0x00,0x00}, + {0x00,0x18,0x14,0x12,0x7F,0x10,0x00,0x00}, + {0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00}, + {0x00,0x3C,0x4A,0x49,0x49,0x30,0x00,0x00}, + {0x00,0x01,0x71,0x09,0x05,0x03,0x00,0x00}, + {0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00}, + {0x00,0x06,0x49,0x49,0x29,0x1E,0x00,0x00}, + {0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00}, + {0x00,0x00,0xAC,0x6C,0x00,0x00,0x00,0x00}, + {0x00,0x08,0x14,0x22,0x41,0x00,0x00,0x00}, + {0x00,0x14,0x14,0x14,0x14,0x14,0x00,0x00}, + {0x00,0x41,0x22,0x14,0x08,0x00,0x00,0x00}, + {0x00,0x02,0x01,0x51,0x09,0x06,0x00,0x00}, + {0x00,0x32,0x49,0x79,0x41,0x3E,0x00,0x00}, + {0x00,0x7E,0x09,0x09,0x09,0x7E,0x00,0x00}, + {0x00,0x7F,0x49,0x49,0x49,0x36,0x00,0x00}, + {0x00,0x3E,0x41,0x41,0x41,0x22,0x00,0x00}, + {0x00,0x7F,0x41,0x41,0x22,0x1C,0x00,0x00}, + {0x00,0x7F,0x49,0x49,0x49,0x41,0x00,0x00}, + {0x00,0x7F,0x09,0x09,0x09,0x01,0x00,0x00}, + {0x00,0x3E,0x41,0x41,0x51,0x72,0x00,0x00}, + {0x00,0x7F,0x08,0x08,0x08,0x7F,0x00,0x00}, + {0x00,0x41,0x7F,0x41,0x00,0x00,0x00,0x00}, + {0x00,0x20,0x40,0x41,0x3F,0x01,0x00,0x00}, + {0x00,0x7F,0x08,0x14,0x22,0x41,0x00,0x00}, + {0x00,0x7F,0x40,0x40,0x40,0x40,0x00,0x00}, + {0x00,0x7F,0x02,0x0C,0x02,0x7F,0x00,0x00}, + {0x00,0x7F,0x04,0x08,0x10,0x7F,0x00,0x00}, + {0x00,0x3E,0x41,0x41,0x41,0x3E,0x00,0x00}, + {0x00,0x7F,0x09,0x09,0x09,0x06,0x00,0x00}, + {0x00,0x3E,0x41,0x51,0x21,0x5E,0x00,0x00}, + {0x00,0x7F,0x09,0x19,0x29,0x46,0x00,0x00}, + {0x00,0x26,0x49,0x49,0x49,0x32,0x00,0x00}, + {0x00,0x01,0x01,0x7F,0x01,0x01,0x00,0x00}, + {0x00,0x3F,0x40,0x40,0x40,0x3F,0x00,0x00}, + {0x00,0x1F,0x20,0x40,0x20,0x1F,0x00,0x00}, + {0x00,0x3F,0x40,0x38,0x40,0x3F,0x00,0x00}, + {0x00,0x63,0x14,0x08,0x14,0x63,0x00,0x00}, + {0x00,0x03,0x04,0x78,0x04,0x03,0x00,0x00}, + {0x00,0x61,0x51,0x49,0x45,0x43,0x00,0x00}, + {0x00,0x7F,0x41,0x41,0x00,0x00,0x00,0x00}, + {0x00,0x02,0x04,0x08,0x10,0x20,0x00,0x00}, + {0x00,0x41,0x41,0x7F,0x00,0x00,0x00,0x00}, + {0x00,0x04,0x02,0x01,0x02,0x04,0x00,0x00}, + {0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00}, + {0x00,0x01,0x02,0x04,0x00,0x00,0x00,0x00}, + {0x00,0x20,0x54,0x54,0x54,0x78,0x00,0x00}, + {0x00,0x7F,0x48,0x44,0x44,0x38,0x00,0x00}, + {0x00,0x38,0x44,0x44,0x28,0x00,0x00,0x00}, + {0x00,0x38,0x44,0x44,0x48,0x7F,0x00,0x00}, + {0x00,0x38,0x54,0x54,0x54,0x18,0x00,0x00}, + {0x00,0x08,0x7E,0x09,0x02,0x00,0x00,0x00}, + {0x00,0x18,0xA4,0xA4,0xA4,0x7C,0x00,0x00}, + {0x00,0x7F,0x08,0x04,0x04,0x78,0x00,0x00}, + {0x00,0x00,0x7D,0x00,0x00,0x00,0x00,0x00}, + {0x00,0x80,0x84,0x7D,0x00,0x00,0x00,0x00}, + {0x00,0x7F,0x10,0x28,0x44,0x00,0x00,0x00}, + {0x00,0x41,0x7F,0x40,0x00,0x00,0x00,0x00}, + {0x00,0x7C,0x04,0x18,0x04,0x78,0x00,0x00}, + {0x00,0x7C,0x08,0x04,0x7C,0x00,0x00,0x00}, + {0x00,0x38,0x44,0x44,0x38,0x00,0x00,0x00}, + {0x00,0xFC,0x24,0x24,0x18,0x00,0x00,0x00}, + {0x00,0x18,0x24,0x24,0xFC,0x00,0x00,0x00}, + {0x00,0x00,0x7C,0x08,0x04,0x00,0x00,0x00}, + {0x00,0x48,0x54,0x54,0x24,0x00,0x00,0x00}, + {0x00,0x04,0x7F,0x44,0x00,0x00,0x00,0x00}, + {0x00,0x3C,0x40,0x40,0x7C,0x00,0x00,0x00}, + {0x00,0x1C,0x20,0x40,0x20,0x1C,0x00,0x00}, + {0x00,0x3C,0x40,0x30,0x40,0x3C,0x00,0x00}, + {0x00,0x44,0x28,0x10,0x28,0x44,0x00,0x00}, + {0x00,0x1C,0xA0,0xA0,0x7C,0x00,0x00,0x00}, + {0x00,0x44,0x64,0x54,0x4C,0x44,0x00,0x00}, + {0x00,0x08,0x36,0x41,0x00,0x00,0x00,0x00}, + {0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00}, + {0x00,0x41,0x36,0x08,0x00,0x00,0x00,0x00}, + {0x00,0x02,0x01,0x01,0x02,0x01,0x00,0x00}, + {0x00,0x02,0x05,0x05,0x02,0x00,0x00,0x00} +}; + + +SeeedGrayOLED::SeeedGrayOLED(PinName sda, PinName scl): + _device(sda, scl) +{ +} + + +void SeeedGrayOLED::init(void) +{ + sendCommand(0xFD); // Unlock OLED driver IC MCU interface from entering command. i.e: Accept commands + sendCommand(0x12); + sendCommand(0xAE); // Set display off + sendCommand(0xA8); // set multiplex ratio + sendCommand(0x5F); // 96 + sendCommand(0xA1); // set display start line + sendCommand(0x00); + sendCommand(0xA2); // set display offset + sendCommand(0x60); + sendCommand(0xA0); // set remap + sendCommand(0x46); + sendCommand(0xAB); // set vdd internal + sendCommand(0x01); // + sendCommand(0x81); // set contrasr + sendCommand(0x53); // 100 nit + sendCommand(0xB1); // Set Phase Length + sendCommand(0X51); // + sendCommand(0xB3); // Set Display Clock Divide Ratio/Oscillator Frequency + sendCommand(0x01); + sendCommand(0xB9); // + sendCommand(0xBC); // set pre_charge voltage/VCOMH + sendCommand(0x08); // (0x08); + sendCommand(0xBE); // set VCOMH + sendCommand(0X07); // (0x07); + sendCommand(0xB6); // Set second pre-charge period + sendCommand(0x01); // + sendCommand(0xD5); // enable second precharge and enternal vsl + sendCommand(0X62); // (0x62); + sendCommand(0xA4); // Set Normal Display Mode + sendCommand(0x2E); // Deactivate Scroll + sendCommand(0xAF); // Switch on display + wait_ms(100); + + // Row Address + sendCommand(0x75); // Set Row Address + sendCommand(0x00); // Start 0 + sendCommand(0x5f); // End 95 + + + // Column Address + sendCommand(0x15); // Set Column Address + sendCommand(0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED + sendCommand(0x37); // End at (8 + 47)th column. Each Column has 2 pixels(segments) + + // Init gray level for text. Default:Brightest White + grayH= 0xF0; + grayL= 0x0F; +} + +void SeeedGrayOLED::sendCommand(unsigned char command) +{ + int transmissionSuccessful; + _device.start(); + transmissionSuccessful = _device.write(SeeedGrayOLED_Address << 1); + transmissionSuccessful |= _device.write(SeeedGrayOLED_Command_Mode); + transmissionSuccessful |= _device.write(command); + _device.stop(); + // return (transmissionSuccessful); +} + +void SeeedGrayOLED::setContrastLevel(unsigned char ContrastLevel) +{ + sendCommand(SeeedGrayOLED_Set_ContrastLevel_Cmd); + sendCommand(ContrastLevel); +} + +void SeeedGrayOLED::setHorizontalMode() +{ + sendCommand(0xA0); // remap to + sendCommand(0x42); // horizontal mode + + // Row Address + sendCommand(0x75); // Set Row Address + sendCommand(0x00); // Start 0 + sendCommand(0x5f); // End 95 + + // Column Address + sendCommand(0x15); // Set Column Address + sendCommand(0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED + sendCommand(0x37); // End at (8 + 47)th column. Each Column has 2 pixels(or segments) +} + +void SeeedGrayOLED::setVerticalMode() +{ + sendCommand(0xA0); // remap to + sendCommand(0x46); // Vertical mode +} + +void SeeedGrayOLED::setTextXY(unsigned char Row, unsigned char Column) +{ + //Column Address + sendCommand(0x15); /* Set Column Address */ + sendCommand(0x08+(Column*4)); /* Start Column: Start from 8 */ + sendCommand(0x37); /* End Column */ + // Row Address + sendCommand(0x75); /* Set Row Address */ + sendCommand(0x00+(Row*8)); /* Start Row*/ + sendCommand(0x07+(Row*8)); /* End Row*/ +} + +void SeeedGrayOLED::clearDisplay() +{ + unsigned char i,j; + for(j=0;j<48;j++) + { + for(i=0;i<96;i++) //clear all columns + { + sendData(0x00); + } + } + +} + +void SeeedGrayOLED::sendData(unsigned char Data) +{ + int transmissionSuccessful; + _device.start(); + transmissionSuccessful = _device.write(SeeedGrayOLED_Address << 1); + transmissionSuccessful |= _device.write(SeeedGrayOLED_Data_Mode); + transmissionSuccessful |= _device.write(Data); + _device.stop(); + // return (transmissionSuccessful); +} + +void SeeedGrayOLED::setGrayLevel(unsigned char grayLevel) +{ + grayH = (grayLevel << 4) & 0xF0; + grayL = grayLevel & 0x0F; +} + +void SeeedGrayOLED::putChar(unsigned char C) +{ + if(C < 32 || C > 127) //Ignore non-printable ASCII characters. This can be modified for multilingual font. + { + C=' '; //Space + } + + + for(char i=0;i<8;i=i+2) + { + for(char j=0;j<8;j++) + { + // Character is constructed two pixel at a time using vertical mode from the default 8x8 font + char c=0x00; + char bit1=(BasicFont[C-32][i] >> j) & 0x01; + char bit2=(BasicFont[C-32][i+1] >> j) & 0x01; + // Each bit is changed to a nibble + c|=(bit1)?grayH:0x00; + c|=(bit2)?grayL:0x00; + sendData(c); + } + } +} + +void SeeedGrayOLED::putString(const char *String) +{ + unsigned char i=0; + while(String[i]) + { + putChar(String[i]); + i++; + } +} + +unsigned char SeeedGrayOLED::putNumber(long long_num) +{ + unsigned char char_buffer[10]=""; + unsigned char i = 0; + unsigned char f = 0; + + if (long_num < 0) + { + f=1; + putChar('-'); + long_num = -long_num; + } + else if (long_num == 0) + { + f=1; + putChar('0'); + return f; + } + + while (long_num > 0) + { + char_buffer[i++] = long_num % 10; + long_num /= 10; + } + + f=f+i; + for(; i > 0; i--) + { + putChar('0'+ char_buffer[i - 1]); + } + return f; + +} + + + +void SeeedGrayOLED::drawBitmap(unsigned char *bitmaparray,int bytes) +{ + char localAddressMode = addressingMode; + if(addressingMode != HORIZONTAL_MODE) + { + //Bitmap is drawn in horizontal mode + setHorizontalMode(); + } + + for(int i=0;i<bytes;i++) + { + + for(int j=0;j<8;j=j+2) + { + char c=0x00; + char bit1=bitmaparray[i] << j & 0x80; + char bit2=bitmaparray[i] << (j+1) & 0x80; + + // Each bit is changed to a nibble + c|=(bit1)?grayH:0x00; + // Each bit is changed to a nibble + c|=(bit2)?grayL:0x00; + sendData(c); + } + } + if(localAddressMode == VERTICAL_MODE) + { + //If Vertical Mode was used earlier, restore it. + setVerticalMode(); + } + +} + +void SeeedGrayOLED::setHorizontalScrollProperties(bool direction,unsigned char startRow, unsigned char endRow,unsigned char startColumn, unsigned char endColumn, unsigned char scrollSpeed) +{ + /* +Use the following defines for 'direction' : + + Scroll_Left + Scroll_Right + +Use the following defines for 'scrollSpeed' : + + Scroll_2Frames + Scroll_3Frames + Scroll_4Frames + Scroll_5Frames + Scroll_25Frames + Scroll_64Frames + Scroll_128Frames + Scroll_256Frames + +*/ + + if(Scroll_Right == direction) + { + //Scroll Right + sendCommand(0x27); + } + else + { + //Scroll Left + sendCommand(0x26); + } + sendCommand(0x00); //Dummmy byte + sendCommand(startRow); + sendCommand(scrollSpeed); + sendCommand(endRow); + sendCommand(startColumn+8); + sendCommand(endColumn+8); + sendCommand(0x00); //Dummmy byte + +} + +void SeeedGrayOLED::activateScroll() +{ + sendCommand(SeeedGrayOLED_Activate_Scroll_Cmd); +} + +void SeeedGrayOLED::deactivateScroll() +{ + sendCommand(SeeedGrayOLED_Dectivate_Scroll_Cmd); +} + +void SeeedGrayOLED::setNormalDisplay() +{ + sendCommand(SeeedGrayOLED_Normal_Display_Cmd); +} + +void SeeedGrayOLED::setInverseDisplay() +{ + sendCommand(SeeedGrayOLED_Inverse_Display_Cmd); +} \ No newline at end of file