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#!/usr/bin/env python
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#
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# GrovePi Example for using the Grove OLED Display 96*96 (http://www.seeedstudio.com/wiki/Grove_-_OLED_Display_1.12%22)
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#
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# The GrovePi connects the Raspberry Pi and Grove sensors. You can learn more about GrovePi here: http://www.dexterindustries.com/GrovePi
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#
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# Have a question about this example? Ask on the forums here: http://forum.dexterindustries.com/c/grovepi
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#
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'''
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## License
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The MIT License (MIT)
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GrovePi for the Raspberry Pi: an open source platform for connecting Grove Sensors to the Raspberry Pi.
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Copyright (C) 2017 Dexter Industries
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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'''
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# Connect the OLED to any I2C port eg. I2C-1
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# Can be found at I2C address 0x3c
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import grove_oled
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import time
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grove_oled.oled_init()
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grove_oled.oled_clearDisplay()
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grove_oled.oled_setNormalDisplay()
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grove_oled.oled_setVerticalMode()
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time.sleep(.1)
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for i in range(0,12):
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grove_oled.oled_setTextXY(i,0)
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grove_oled.oled_putString("Hello World")
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257
Software/Python/grove_oled/grove_oled.py
Normal file
257
Software/Python/grove_oled/grove_oled.py
Normal file
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#!/usr/bin/env python
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#
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# GrovePi library for the basic functions of Grove 96x96 OLED (http://www.seeedstudio.com/depot/Grove-OLED-Display-096-p-824.html)
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# v1.0
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#
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# The GrovePi connects the Raspberry Pi and Grove sensors. You can learn more about GrovePi here: http://www.dexterindustries.com/GrovePi
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#
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# Have a question about this example? Ask on the forums here: http://forum.dexterindustries.com/c/grovepi
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#
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# LICENSE:
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# These files have been made available online through a [Creative Commons Attribution-ShareAlike 3.0](http://creativecommons.org/licenses/by-sa/3.0/) license.
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#
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# Karan Nayan
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# Initial Date: 5 Mar 2014
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# Last Updated: 5 Mar 2014
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#
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# Based on the Arduino library "SeeedGrayOLED.cpp - SSD1327 Gray OLED Driver Library"
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# Seeed Technology Inc.
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# written by: Visweswara R
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import sys
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import time
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import math
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import struct
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if sys.platform == 'uwp':
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import winrt_smbus as smbus
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bus = smbus.SMBus(1)
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else:
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import smbus
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import RPi.GPIO as GPIO
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rev = GPIO.RPI_REVISION
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if rev == 2 or rev == 3:
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bus = smbus.SMBus(1)
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else:
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bus = smbus.SMBus(0)
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grayH= 0xF0
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grayL= 0x0F
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address = 0x3c
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Command_Mode=0x80
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Data_mode=0x40
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Normal_Display_Cmd=0xA4
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BasicFont = [[0 for x in range(8)] for x in range(10)]
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BasicFont=[[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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def sendCommand(byte):
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try:
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block=[]
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block.append(byte)
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return bus.write_i2c_block_data(address,Command_Mode,block)
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except IOError:
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print("IOError")
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return -1
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def sendData(byte):
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try:
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block=[]
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block.append(byte)
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return bus.write_i2c_block_data(address,Data_mode,block)
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except IOError:
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print("IOError")
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return -1
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def multi_comm(commands):
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for c in commands:
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sendCommand(c)
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# Init function of the OLED
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def oled_init():
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blk=[0xFD] # Unlock OLED driver IC MCU interface from entering command. i.e: Accept commands
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blk.append(0x12)
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blk.append(0xAE) # Set display off
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blk.append(0xA8) # set multiplex ratio
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blk.append(0x5F) # 96
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blk.append(0xA1) # set display start line
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blk.append(0x00)
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blk.append(0xA2) # set display offset
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blk.append(0x60)
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blk.append(0xA0) # set remap
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blk.append(0x46)
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blk.append(0xAB) # set vdd internal
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blk.append(0x01) #
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blk.append(0x81) # set contrasr
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blk.append(0x53) # 100 nit
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blk.append(0xB1) # Set Phase Length
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blk.append(0X51) #
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blk.append(0xB3) # Set Display Clock Divide Ratio/Oscillator Frequency
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blk.append(0x01)
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blk.append(0xB9) #
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blk.append(0xBC) # set pre_charge voltage/VCOMH
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blk.append(0x08) # (0x08)
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blk.append(0xBE) # set VCOMH
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blk.append(0X07) # (0x07)
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blk.append(0xB6) # Set second pre-charge period
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blk.append(0x01) #
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blk.append(0xD5) # enable second precharge and enternal vsl
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blk.append(0X62) # (0x62)
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blk.append(0xA4) # Set Normal Display Mode
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blk.append(0x2E) # Deactivate Scroll
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blk.append(0xAF) # Switch on display
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multi_comm(blk)
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time.sleep(.1)
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# Row Address
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blk=[0x75] # Set Row Address
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blk.append(0x00) # Start 0
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blk.append(0x5f) # End 95
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# Column Address
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blk.append(0x15) # Set Column Address
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blk.append(0x08) # Start from 8th Column of driver IC. This is 0th Column for OLED
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blk.append(0x37) # End at (8 + 47)th column. Each Column has 2 pixels(segments)
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multi_comm(blk)
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def oled_clearDisplay():
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for j in range (0,48):
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for i in range (0,96):
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sendData(0x00)
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def oled_setNormalDisplay():
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sendCommand(Normal_Display_Cmd)
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def oled_setVerticalMode():
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sendCommand(0xA0) # remap to
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sendCommand(0x46) # Vertical mode
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def oled_setTextXY(Row,Column):
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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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def oled_putChar(C):
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C_add=ord(C)
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if C_add<32 or C_add>127: # Ignore non-printable ASCII characters
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C=' '
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C_add=ord(C)
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for i in range(0,8,2):
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for j in range(0,8):
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c=0x00
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bit1=((BasicFont[C_add-32][i])>>j)&0x01
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bit2=((BasicFont[C_add-32][i+1])>>j)&0x01
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if bit1:
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c=c|grayH
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else:
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c=c|0x00
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if bit2:
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c=c|grayL
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else:
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c=c|0x00
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sendData(c)
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|
||||
def oled_putString(String):
|
||||
for i in range(len(String)):
|
||||
oled_putChar(String[i])
|
||||
Loading…
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Reference in a new issue