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Description dans le rapport.
SeeedGrayOLED.cpp
- Committer:
- Damien75
- Date:
- 2017-04-02
- Revision:
- 0:34945468db9f
File content as of revision 0:34945468db9f:
/* * 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); }