Bundle SoftwareI2C library (with edits)
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libraries/Arduino_Software_I2C-master/SeeedGrayOLED.cpp
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libraries/Arduino_Software_I2C-master/SeeedGrayOLED.cpp
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/*
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SeeedGrayOLED.cpp
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SSD1327 Gray OLED Driver Library
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Copyright (c) 2011 seeed technology inc.
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Author : Visweswara R
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Create Time : Dec 2011
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Change Log :
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "Arduino.h"
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#include <SoftwareI2C.h>
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#include "SeeedGrayOLED.h"
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#if defined(ESP32)
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#include <pgmspace.h>
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#else
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#include <avr/pgmspace.h>
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#endif
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#if defined(__arm__) && !defined(PROGMEM)
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#define PROGMEM
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#define pgm_read_byte(STR) STR
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#endif
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// 8x8 Font ASCII 32 - 127 Implemented
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// Users can modify this to support more characters(glyphs)
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// BasicFont is placed in code memory.
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// This font can be freely used without any restriction(It is placed in public domain)
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const unsigned char BasicFont[][8] PROGMEM = {
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x5F, 0x00, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x07, 0x00, 0x07, 0x00, 0x00, 0x00},
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{0x00, 0x14, 0x7F, 0x14, 0x7F, 0x14, 0x00, 0x00},
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{0x00, 0x24, 0x2A, 0x7F, 0x2A, 0x12, 0x00, 0x00},
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{0x00, 0x23, 0x13, 0x08, 0x64, 0x62, 0x00, 0x00},
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{0x00, 0x36, 0x49, 0x55, 0x22, 0x50, 0x00, 0x00},
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{0x00, 0x00, 0x05, 0x03, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x1C, 0x22, 0x41, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x41, 0x22, 0x1C, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x08, 0x2A, 0x1C, 0x2A, 0x08, 0x00, 0x00},
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{0x00, 0x08, 0x08, 0x3E, 0x08, 0x08, 0x00, 0x00},
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{0x00, 0xA0, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00},
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{0x00, 0x60, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x20, 0x10, 0x08, 0x04, 0x02, 0x00, 0x00},
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{0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E, 0x00, 0x00},
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{0x00, 0x00, 0x42, 0x7F, 0x40, 0x00, 0x00, 0x00},
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{0x00, 0x62, 0x51, 0x49, 0x49, 0x46, 0x00, 0x00},
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{0x00, 0x22, 0x41, 0x49, 0x49, 0x36, 0x00, 0x00},
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{0x00, 0x18, 0x14, 0x12, 0x7F, 0x10, 0x00, 0x00},
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{0x00, 0x27, 0x45, 0x45, 0x45, 0x39, 0x00, 0x00},
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{0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30, 0x00, 0x00},
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{0x00, 0x01, 0x71, 0x09, 0x05, 0x03, 0x00, 0x00},
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{0x00, 0x36, 0x49, 0x49, 0x49, 0x36, 0x00, 0x00},
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{0x00, 0x06, 0x49, 0x49, 0x29, 0x1E, 0x00, 0x00},
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{0x00, 0x00, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0xAC, 0x6C, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x08, 0x14, 0x22, 0x41, 0x00, 0x00, 0x00},
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{0x00, 0x14, 0x14, 0x14, 0x14, 0x14, 0x00, 0x00},
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{0x00, 0x41, 0x22, 0x14, 0x08, 0x00, 0x00, 0x00},
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{0x00, 0x02, 0x01, 0x51, 0x09, 0x06, 0x00, 0x00},
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{0x00, 0x32, 0x49, 0x79, 0x41, 0x3E, 0x00, 0x00},
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{0x00, 0x7E, 0x09, 0x09, 0x09, 0x7E, 0x00, 0x00},
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{0x00, 0x7F, 0x49, 0x49, 0x49, 0x36, 0x00, 0x00},
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{0x00, 0x3E, 0x41, 0x41, 0x41, 0x22, 0x00, 0x00},
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{0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C, 0x00, 0x00},
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{0x00, 0x7F, 0x49, 0x49, 0x49, 0x41, 0x00, 0x00},
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{0x00, 0x7F, 0x09, 0x09, 0x09, 0x01, 0x00, 0x00},
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{0x00, 0x3E, 0x41, 0x41, 0x51, 0x72, 0x00, 0x00},
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{0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00, 0x00},
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{0x00, 0x41, 0x7F, 0x41, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x20, 0x40, 0x41, 0x3F, 0x01, 0x00, 0x00},
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{0x00, 0x7F, 0x08, 0x14, 0x22, 0x41, 0x00, 0x00},
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{0x00, 0x7F, 0x40, 0x40, 0x40, 0x40, 0x00, 0x00},
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{0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F, 0x00, 0x00},
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{0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F, 0x00, 0x00},
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{0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E, 0x00, 0x00},
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{0x00, 0x7F, 0x09, 0x09, 0x09, 0x06, 0x00, 0x00},
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{0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E, 0x00, 0x00},
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{0x00, 0x7F, 0x09, 0x19, 0x29, 0x46, 0x00, 0x00},
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{0x00, 0x26, 0x49, 0x49, 0x49, 0x32, 0x00, 0x00},
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{0x00, 0x01, 0x01, 0x7F, 0x01, 0x01, 0x00, 0x00},
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{0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F, 0x00, 0x00},
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{0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F, 0x00, 0x00},
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{0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F, 0x00, 0x00},
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{0x00, 0x63, 0x14, 0x08, 0x14, 0x63, 0x00, 0x00},
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{0x00, 0x03, 0x04, 0x78, 0x04, 0x03, 0x00, 0x00},
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{0x00, 0x61, 0x51, 0x49, 0x45, 0x43, 0x00, 0x00},
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{0x00, 0x7F, 0x41, 0x41, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x02, 0x04, 0x08, 0x10, 0x20, 0x00, 0x00},
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{0x00, 0x41, 0x41, 0x7F, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x04, 0x02, 0x01, 0x02, 0x04, 0x00, 0x00},
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{0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00},
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{0x00, 0x01, 0x02, 0x04, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x20, 0x54, 0x54, 0x54, 0x78, 0x00, 0x00},
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{0x00, 0x7F, 0x48, 0x44, 0x44, 0x38, 0x00, 0x00},
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{0x00, 0x38, 0x44, 0x44, 0x28, 0x00, 0x00, 0x00},
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{0x00, 0x38, 0x44, 0x44, 0x48, 0x7F, 0x00, 0x00},
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{0x00, 0x38, 0x54, 0x54, 0x54, 0x18, 0x00, 0x00},
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{0x00, 0x08, 0x7E, 0x09, 0x02, 0x00, 0x00, 0x00},
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{0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C, 0x00, 0x00},
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{0x00, 0x7F, 0x08, 0x04, 0x04, 0x78, 0x00, 0x00},
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{0x00, 0x00, 0x7D, 0x00, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x80, 0x84, 0x7D, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x7F, 0x10, 0x28, 0x44, 0x00, 0x00, 0x00},
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{0x00, 0x41, 0x7F, 0x40, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x7C, 0x04, 0x18, 0x04, 0x78, 0x00, 0x00},
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{0x00, 0x7C, 0x08, 0x04, 0x7C, 0x00, 0x00, 0x00},
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{0x00, 0x38, 0x44, 0x44, 0x38, 0x00, 0x00, 0x00},
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{0x00, 0xFC, 0x24, 0x24, 0x18, 0x00, 0x00, 0x00},
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{0x00, 0x18, 0x24, 0x24, 0xFC, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x7C, 0x08, 0x04, 0x00, 0x00, 0x00},
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{0x00, 0x48, 0x54, 0x54, 0x24, 0x00, 0x00, 0x00},
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{0x00, 0x04, 0x7F, 0x44, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x3C, 0x40, 0x40, 0x7C, 0x00, 0x00, 0x00},
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{0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C, 0x00, 0x00},
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{0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C, 0x00, 0x00},
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{0x00, 0x44, 0x28, 0x10, 0x28, 0x44, 0x00, 0x00},
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{0x00, 0x1C, 0xA0, 0xA0, 0x7C, 0x00, 0x00, 0x00},
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{0x00, 0x44, 0x64, 0x54, 0x4C, 0x44, 0x00, 0x00},
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{0x00, 0x08, 0x36, 0x41, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x00, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x41, 0x36, 0x08, 0x00, 0x00, 0x00, 0x00},
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{0x00, 0x02, 0x01, 0x01, 0x02, 0x01, 0x00, 0x00},
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{0x00, 0x02, 0x05, 0x05, 0x02, 0x00, 0x00, 0x00}
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};
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void SeeedGrayOLED::init(int IC) {
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Drive_IC = IC;
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if (Drive_IC == SSD1327) {
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sendCommand(0xFD); // Unlock OLED driver IC MCU interface from entering command. i.e: Accept commands
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sendCommand(0x12);
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sendCommand(0xAE); // Set display off
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sendCommand(0xA8); // set multiplex ratio
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sendCommand(0x5F); // 96
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sendCommand(0xA1); // set display start line
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sendCommand(0x00);
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sendCommand(0xA2); // set display offset
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sendCommand(0x60);
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sendCommand(0xA0); // set remap
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sendCommand(0x46);
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sendCommand(0xAB); // set vdd internal
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sendCommand(0x01); //
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sendCommand(0x81); // set contrasr
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sendCommand(0x53); // 100 nit
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sendCommand(0xB1); // Set Phase Length
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sendCommand(0X51); //
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sendCommand(0xB3); // Set Display Clock Divide Ratio/Oscillator Frequency
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sendCommand(0x01);
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sendCommand(0xB9); //
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sendCommand(0xBC); // set pre_charge voltage/VCOMH
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sendCommand(0x08); // (0x08);
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sendCommand(0xBE); // set VCOMH
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sendCommand(0X07); // (0x07);
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sendCommand(0xB6); // Set second pre-charge period
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sendCommand(0x01); //
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sendCommand(0xD5); // enable second precharge and enternal vsl
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sendCommand(0X62); // (0x62);
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sendCommand(0xA4); // Set Normal Display Mode
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sendCommand(0x2E); // Deactivate Scroll
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sendCommand(0xAF); // Switch on display
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delay(100);
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// Row Address
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sendCommand(0x75); // Set Row Address
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sendCommand(0x00); // Start 0
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sendCommand(0x5f); // End 95
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// Column Address
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sendCommand(0x15); // Set Column Address
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sendCommand(0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
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sendCommand(0x37); // End at (8 + 47)th column. Each Column has 2 pixels(segments)
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// Init gray level for text. Default:Brightest White
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grayH = 0xF0;
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grayL = 0x0F;
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} else if (Drive_IC == SH1107G) {
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sendCommand(0xae); //Display OFF
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sendCommand(0xd5); // Set Dclk
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sendCommand(0x50); // 100Hz
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sendCommand(0x20); // Set row address
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sendCommand(0x81); // Set contrast control
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sendCommand(0x80);
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sendCommand(0xa0); // Segment remap
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sendCommand(0xa4); // Set Entire Display ON
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sendCommand(0xa6); // Normal display
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sendCommand(0xad); // Set external VCC
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sendCommand(0x80);
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sendCommand(0xc0); // Set Common scan direction
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sendCommand(0xd9); // Set phase leghth
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sendCommand(0x1f);
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sendCommand(0xdb); // Set Vcomh voltage
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sendCommand(0x27);
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sendCommand(0xaf); //Display ON
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sendCommand(0xb0);
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sendCommand(0x00);
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sendCommand(0x11);
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}
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}
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void SeeedGrayOLED::sendCommand(unsigned char command) {
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Wire->beginTransmission(SeeedGrayOLED_Address); // begin I2C communication
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Wire->write(SeeedGrayOLED_Command_Mode); // Set OLED Command mode
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Wire->write(command);
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Wire->endTransmission(); // End I2C communication
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}
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void SeeedGrayOLED::setContrastLevel(unsigned char ContrastLevel) {
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sendCommand(SeeedGrayOLED_Set_ContrastLevel_Cmd);
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sendCommand(ContrastLevel);
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}
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void SeeedGrayOLED::setHorizontalMode() {
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if (Drive_IC == SSD1327) {
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sendCommand(0xA0); // remap to
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sendCommand(0x42); // horizontal mode
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// Row Address
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sendCommand(0x75); // Set Row Address
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sendCommand(0x00); // Start 0
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sendCommand(0x5f); // End 95
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// Column Address
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sendCommand(0x15); // Set Column Address
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sendCommand(0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
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sendCommand(0x37); // End at (8 + 47)th column. Each Column has 2 pixels(or segments)
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} else if (Drive_IC == SH1107G) {
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sendCommand(0xA0);
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sendCommand(0xC8);
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}
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}
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void SeeedGrayOLED::setVerticalMode() {
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if (Drive_IC == SSD1327) {
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sendCommand(0xA0); // remap to
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sendCommand(0x46); // Vertical mode
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} else if (Drive_IC == SH1107G) {
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sendCommand(0xA0);
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sendCommand(0xC0);
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}
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}
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void SeeedGrayOLED::setTextXY(unsigned char Row, unsigned char Column) {
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if (Drive_IC == SSD1327) {
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//Column Address
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sendCommand(0x15); /* Set Column Address */
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sendCommand(0x08 + (Column * 4)); /* Start Column: Start from 8 */
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sendCommand(0x37); /* End Column */
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// Row Address
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sendCommand(0x75); /* Set Row Address */
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sendCommand(0x00 + (Row * 8)); /* Start Row*/
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sendCommand(0x07 + (Row * 8)); /* End Row*/
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} else if (Drive_IC == SH1107G) {
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uint8_t col_l;
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Column % 2 ? col_l = 0x08 : col_l = 0x00;
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sendCommand(0xb0 + Row);
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sendCommand(col_l);
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sendCommand(0x11 + (Column / 2));
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}
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}
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void SeeedGrayOLED::clearDisplay() {
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unsigned char i, j;
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if (Drive_IC == SSD1327) {
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for (j = 0; j < 48; j++) {
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for (i = 0; i < 96; i++) { //clear all columns
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sendData(0x00);
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}
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}
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} else if (Drive_IC == SH1107G) {
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for (i = 0; i < 16; i++) {
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sendCommand(0xb0 + i);
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sendCommand(0x0);
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sendCommand(0x10);
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for (j = 0; j < 128; j++) {
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sendData(0x00);
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}
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}
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}
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}
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void SeeedGrayOLED::sendData(unsigned char Data) {
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Wire->beginTransmission(SeeedGrayOLED_Address); // begin I2C transmission
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Wire->write(SeeedGrayOLED_Data_Mode); // data mode
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Wire->write(Data);
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Wire->endTransmission(); // stop I2C transmission
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}
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void SeeedGrayOLED::setGrayLevel(unsigned char grayLevel) {
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grayH = (grayLevel << 4) & 0xF0;
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grayL = grayLevel & 0x0F;
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}
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void SeeedGrayOLED::putChar(unsigned char C) {
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if (C < 32 || C > 127) { //Ignore non-printable ASCII characters. This can be modified for multilingual font.
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C = ' '; //Space
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}
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if (Drive_IC == SSD1327) {
|
||||
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 = (pgm_read_byte(&BasicFont[C - 32][(uint8_t) i]) >> j) & 0x01;
|
||||
char bit2 = (pgm_read_byte(&BasicFont[C - 32][(uint8_t) i + 1]) >> j) & 0x01;
|
||||
// Each bit is changed to a nibble
|
||||
c |= (bit1) ? grayH : 0x00;
|
||||
c |= (bit2) ? grayL : 0x00;
|
||||
|
||||
sendData(c);
|
||||
}
|
||||
}
|
||||
} else if (Drive_IC == SH1107G) {
|
||||
for (int i = 0; i < 8; i++) {
|
||||
//read bytes from code memory
|
||||
sendData(pgm_read_byte(&BasicFont[C - 32][i])); //font array starts at 0, ASCII starts at 32. Hence the translation
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
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(const unsigned char* bitmaparray, int bytes) {
|
||||
if (Drive_IC == SSD1327) {
|
||||
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 = pgm_read_byte(&bitmaparray[i]) << j & 0x80;
|
||||
char bit2 = pgm_read_byte(&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();
|
||||
}
|
||||
} else if (Drive_IC == SH1107G) {
|
||||
int Row = 0, column_l = 0x00, column_h = 0x11;
|
||||
|
||||
setHorizontalMode();
|
||||
for (int i = 0; i < bytes; i++) {
|
||||
sendCommand(0xb0 + Row);
|
||||
sendCommand(column_l);
|
||||
sendCommand(column_h);
|
||||
|
||||
byte bits = (byte)pgm_read_byte(&bitmaparray[i]);
|
||||
byte tmp = 0x00;
|
||||
for (int b = 0; b < 8; b++) {
|
||||
tmp |= ((bits >> (7 - b)) & 0x01) << b;
|
||||
}
|
||||
sendData(tmp);
|
||||
Row++;
|
||||
if (Row >= 12) {
|
||||
Row = 0;
|
||||
column_l++;
|
||||
if (column_l >= 16) {
|
||||
column_l = 0x00;
|
||||
column_h += 0x01;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
|
||||
void SeeedGrayOLED::initSoftwareI2C(SoftwareI2C* w, int __sda, int __scl) {
|
||||
Wire = w;
|
||||
Wire->begin(__sda, __scl);
|
||||
}
|
||||
|
||||
SeeedGrayOLED SeeedGrayOled; // Preinstantiate Objects
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue