Source code for SEEL.SENSORS.SSD1306

'''
Adapted into Python from Adafruit's oled.cpp
Original license text:

Software License Agreement (BSD License)

Copyright (c) 2012, Adafruit Industries
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holders nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

'''
from __future__ import print_function
from numpy import int16
import time

[docs]def connect(route,**args): return SSD1306(route,**args)
[docs]class SSD1306(): ADDRESS = 0x3C #--------------Parameters-------------------- #This must be defined in order to let GUIs automatically create menus #for changing various options of this sensor #It's a dictionary of the string representations of functions matched with an array #of options that each one can accept params={'load':['logo'], 'scroll':['left','right','topright','topleft','bottomleft','bottomright','stop'] } NUMPLOTS=0 PLOTNAMES = [''] name = 'OLED Display' _width=128;WIDTH = 128; _height=64;HEIGHT = 64; rotation = 0 cursor_y = 0 cursor_x = 0 textsize = 1 textcolor =1 textbgcolor = 0 wrap = True SSD1306_128_64 =1 SSD1306_128_32 =2 SSD1306_96_16 =3 # -----------------------------------------------------------------------*/ DISPLAY_TYPE = SSD1306_96_16 ## self.SSD1306_128_32 #/*=========================================================================*/ SSD1306_LCDWIDTH = 128 SSD1306_LCDHEIGHT = 64 SSD1306_SETCONTRAST =0x81 SSD1306_DISPLAYALLON_RESUME =0xA4 SSD1306_DISPLAYALLON =0xA5 SSD1306_NORMALDISPLAY =0xA6 SSD1306_INVERTDISPLAY =0xA7 SSD1306_DISPLAYOFF= 0xAE SSD1306_DISPLAYON= 0xAF SSD1306_SETDISPLAYOFFSET= 0xD3 SSD1306_SETCOMPINS= 0xDA SSD1306_SETVCOMDETECT= 0xDB SSD1306_SETDISPLAYCLOCKDIV =0xD5 SSD1306_SETPRECHARGE= 0xD9 SSD1306_SETMULTIPLEX= 0xA8 SSD1306_SETLOWCOLUMN =0x00 SSD1306_SETHIGHCOLUMN =0x10 SSD1306_SETSTARTLINE= 0x40 SSD1306_MEMORYMODE= 0x20 SSD1306_COMSCANINC =0xC0 SSD1306_COMSCANDEC= 0xC8 SSD1306_SEGREMAP =0xA0 SSD1306_CHARGEPUMP= 0x8D SSD1306_EXTERNALVCC= 0x1 SSD1306_SWITCHCAPVCC =0x2 logobuff = [255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 127, 63, 63, 159, 159, 223, 223, 207, 207, 207, 239, 239, 47, 47, 39, 39, 7, 7, 67, 67, 83, 131, 135, 7, 7, 15, 15, 31, 191, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 63, 31, 15, 199, 99, 17, 25, 12, 4, 2, 3, 7, 63, 255, 255, 255, 255, 255, 255, 255, 255, 254, 252, 240, 224, 224, 224, 192, 192, 128, 128, 128, 128, 129, 128, 0, 0, 0, 0, 0, 3, 3, 7, 31, 127, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 15, 3, 192, 120, 134, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 254, 254, 254, 252, 252, 249, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 143, 0, 0, 124, 199, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 240, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 240, 128, 0, 7, 56, 96, 128, 0, 0, 0, 0, 0, 0, 0, 12, 63, 255, 127, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 31, 7, 227, 243, 249, 249, 249, 249, 249, 249, 243, 255, 255, 199, 131, 49, 57, 57, 57, 121, 115, 255, 255, 255, 255, 15, 15, 159, 207, 207, 207, 143, 31, 63, 255, 255, 159, 207, 207, 207, 143, 31, 63, 255, 255, 255, 15, 15, 159, 207, 207, 207, 255, 255, 0, 0, 255, 127, 63, 159, 207, 239, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 254, 248, 240, 224, 129, 2, 4, 8, 16, 32, 96, 64, 128, 128, 135, 30, 115, 207, 159, 255, 255, 255, 255, 127, 63, 31, 31, 31, 31, 31, 31, 31, 7, 7, 7, 127, 127, 127, 127, 127, 127, 255, 255, 255, 255, 252, 240, 227, 231, 207, 207, 207, 207, 207, 207, 231, 255, 255, 231, 207, 207, 207, 207, 207, 198, 224, 240, 255, 255, 255, 0, 0, 231, 207, 207, 207, 199, 224, 240, 255, 225, 193, 204, 204, 204, 228, 192, 192, 255, 255, 255, 192, 192, 255, 255, 255, 255, 255, 255, 192, 192, 252, 248, 243, 231, 207, 223, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 254, 252, 248, 248, 240, 240, 224, 225, 225, 193, 193, 195, 195, 195, 195, 195, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 62, 62, 62, 62, 62, 255, 243, 3, 3, 51, 51, 51, 19, 135, 239, 255, 255, 63, 63, 159, 159, 159, 159, 63, 127, 255, 255, 255, 63, 31, 159, 159, 159, 31, 252, 252, 255, 63, 63, 159, 159, 159, 159, 63, 127, 255, 255, 255, 223, 159, 159, 159, 31, 127, 255, 255, 255, 255, 223, 31, 31, 191, 159, 159, 159, 255, 255, 127, 63, 159, 159, 159, 159, 31, 31, 255, 255, 247, 3, 7, 159, 159, 159, 31, 127, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 254, 252, 252, 252, 252, 252, 252, 252, 252, 224, 224, 224, 255, 255, 255, 255, 255, 255, 255, 243, 240, 240, 247, 255, 254, 252, 248, 243, 255, 255, 248, 248, 242, 242, 242, 242, 242, 250, 255, 255, 255, 241, 242, 242, 242, 242, 248, 253, 255, 255, 248, 248, 242, 242, 242, 242, 242, 250, 255, 255, 249, 240, 242, 242, 242, 240, 240, 255, 255, 255, 255, 243, 240, 240, 243, 243, 255, 255, 255, 255, 252, 248, 243, 243, 243, 243, 243, 255, 255, 255, 247, 240, 240, 247, 255, 247, 240, 240, 247, 255] font = [0x00, 0x00, 0x00, 0x00, 0x00, 0x3E, 0x5B, 0x4F, 0x5B, 0x3E, 0x3E, 0x6B, 0x4F, 0x6B, 0x3E, 0x1C, 0x3E, 0x7C, 0x3E, 0x1C, 0x18, 0x3C, 0x7E, 0x3C, 0x18, 0x1C, 0x57, 0x7D, 0x57, 0x1C, 0x1C, 0x5E, 0x7F, 0x5E, 0x1C, 0x00, 0x18, 0x3C, 0x18, 0x00, 0xFF, 0xE7, 0xC3, 0xE7, 0xFF, 0x00, 0x18, 0x24, 0x18, 0x00, 0xFF, 0xE7, 0xDB, 0xE7, 0xFF, 0x30, 0x48, 0x3A, 0x06, 0x0E, 0x26, 0x29, 0x79, 0x29, 0x26, 0x40, 0x7F, 0x05, 0x05, 0x07, 0x40, 0x7F, 0x05, 0x25, 0x3F, 0x5A, 0x3C, 0xE7, 0x3C, 0x5A, 0x7F, 0x3E, 0x1C, 0x1C, 0x08, 0x08, 0x1C, 0x1C, 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0x41, 0x21, 0x7A, 0x3A, 0x42, 0x40, 0x20, 0x78, 0x00, 0x9D, 0xA0, 0xA0, 0x7D, 0x39, 0x44, 0x44, 0x44, 0x39, 0x3D, 0x40, 0x40, 0x40, 0x3D, 0x3C, 0x24, 0xFF, 0x24, 0x24, 0x48, 0x7E, 0x49, 0x43, 0x66, 0x2B, 0x2F, 0xFC, 0x2F, 0x2B, 0xFF, 0x09, 0x29, 0xF6, 0x20, 0xC0, 0x88, 0x7E, 0x09, 0x03, 0x20, 0x54, 0x54, 0x79, 0x41, 0x00, 0x00, 0x44, 0x7D, 0x41, 0x30, 0x48, 0x48, 0x4A, 0x32, 0x38, 0x40, 0x40, 0x22, 0x7A, 0x00, 0x7A, 0x0A, 0x0A, 0x72, 0x7D, 0x0D, 0x19, 0x31, 0x7D, 0x26, 0x29, 0x29, 0x2F, 0x28, 0x26, 0x29, 0x29, 0x29, 0x26, 0x30, 0x48, 0x4D, 0x40, 0x20, 0x38, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x38, 0x2F, 0x10, 0xC8, 0xAC, 0xBA, 0x2F, 0x10, 0x28, 0x34, 0xFA, 0x00, 0x00, 0x7B, 0x00, 0x00, 0x08, 0x14, 0x2A, 0x14, 0x22, 0x22, 0x14, 0x2A, 0x14, 0x08, 0xAA, 0x00, 0x55, 0x00, 0xAA, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x10, 0x10, 0x10, 0xFF, 0x00, 0x14, 0x14, 0x14, 0xFF, 0x00, 0x10, 0x10, 0xFF, 0x00, 0xFF, 0x10, 0x10, 0xF0, 0x10, 0xF0, 0x14, 0x14, 0x14, 0xFC, 0x00, 0x14, 0x14, 0xF7, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x14, 0x14, 0xF4, 0x04, 0xFC, 0x14, 0x14, 0x17, 0x10, 0x1F, 0x10, 0x10, 0x1F, 0x10, 0x1F, 0x14, 0x14, 0x14, 0x1F, 0x00, 0x10, 0x10, 0x10, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x10, 0x10, 0x10, 0x10, 0x1F, 0x10, 0x10, 0x10, 0x10, 0xF0, 0x10, 0x00, 0x00, 0x00, 0xFF, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0xFF, 0x10, 0x00, 0x00, 0x00, 0xFF, 0x14, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x1F, 0x10, 0x17, 0x00, 0x00, 0xFC, 0x04, 0xF4, 0x14, 0x14, 0x17, 0x10, 0x17, 0x14, 0x14, 0xF4, 0x04, 0xF4, 0x00, 0x00, 0xFF, 0x00, 0xF7, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0xF7, 0x00, 0xF7, 0x14, 0x14, 0x14, 0x17, 0x14, 0x10, 0x10, 0x1F, 0x10, 0x1F, 0x14, 0x14, 0x14, 0xF4, 0x14, 0x10, 0x10, 0xF0, 0x10, 0xF0, 0x00, 0x00, 0x1F, 0x10, 0x1F, 0x00, 0x00, 0x00, 0x1F, 0x14, 0x00, 0x00, 0x00, 0xFC, 0x14, 0x00, 0x00, 0xF0, 0x10, 0xF0, 0x10, 0x10, 0xFF, 0x10, 0xFF, 0x14, 0x14, 0x14, 0xFF, 0x14, 0x10, 0x10, 0x10, 0x1F, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x38, 0x44, 0x44, 0x38, 0x44, 0x7C, 0x2A, 0x2A, 0x3E, 0x14, 0x7E, 0x02, 0x02, 0x06, 0x06, 0x02, 0x7E, 0x02, 0x7E, 0x02, 0x63, 0x55, 0x49, 0x41, 0x63, 0x38, 0x44, 0x44, 0x3C, 0x04, 0x40, 0x7E, 0x20, 0x1E, 0x20, 0x06, 0x02, 0x7E, 0x02, 0x02, 0x99, 0xA5, 0xE7, 0xA5, 0x99, 0x1C, 0x2A, 0x49, 0x2A, 0x1C, 0x4C, 0x72, 0x01, 0x72, 0x4C, 0x30, 0x4A, 0x4D, 0x4D, 0x30, 0x30, 0x48, 0x78, 0x48, 0x30, 0xBC, 0x62, 0x5A, 0x46, 0x3D, 0x3E, 0x49, 0x49, 0x49, 0x00, 0x7E, 0x01, 0x01, 0x01, 0x7E, 0x2A, 0x2A, 0x2A, 0x2A, 0x2A, 0x44, 0x44, 0x5F, 0x44, 0x44, 0x40, 0x51, 0x4A, 0x44, 0x40, 0x40, 0x44, 0x4A, 0x51, 0x40, 0x00, 0x00, 0xFF, 0x01, 0x03, 0xE0, 0x80, 0xFF, 0x00, 0x00, 0x08, 0x08, 0x6B, 0x6B, 0x08, 0x36, 0x12, 0x36, 0x24, 0x36, 0x06, 0x0F, 0x09, 0x0F, 0x06, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00, 0x30, 0x40, 0xFF, 0x01, 0x01, 0x00, 0x1F, 0x01, 0x01, 0x1E, 0x00, 0x19, 0x1D, 0x17, 0x12, 0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00, 0x00, 0x00, 0x00, 0x00] #ascii fonts def __init__(self,I2C,**args): self.buff =[0 for a in range(1024)] self.ADDRESS = args.get('address',self.ADDRESS) self.I2C = I2C self.SSD1306_command(self.SSD1306_DISPLAYOFF); #0xAE self.SSD1306_command(self.SSD1306_SETDISPLAYCLOCKDIV); # 0xD5 self.SSD1306_command(0x80); # the suggested ratio 0x80 self.SSD1306_command(self.SSD1306_SETMULTIPLEX); # 0xA8 self.SSD1306_command(0x3F); self.SSD1306_command(self.SSD1306_SETDISPLAYOFFSET); # 0xD3 self.SSD1306_command(0x0); # no offset self.SSD1306_command(self.SSD1306_SETSTARTLINE | 0x0); # line #0 self.SSD1306_command(self.SSD1306_CHARGEPUMP); # 0x8D self.SSD1306_command(0x14); #vccstate = self.SSD1306_SWITCHCAPVCC; self.SSD1306_command(self.SSD1306_MEMORYMODE); # 0x20 self.SSD1306_command(0x00); # 0x0 act like ks0108 self.SSD1306_command(self.SSD1306_SEGREMAP | 0x1); self.SSD1306_command(self.SSD1306_COMSCANDEC); self.SSD1306_command(self.SSD1306_SETCOMPINS); # 0xDA self.SSD1306_command(0x12); self.SSD1306_command(self.SSD1306_SETCONTRAST); # 0x81 self.SSD1306_command(0xFF); # vccstate = self.SSD1306_SWITCHCAPVCC; self.SSD1306_command(self.SSD1306_SETPRECHARGE); # 0xd9 self.SSD1306_command(0xF1); # vccstate = self.SSD1306_SWITCHCAPVCC; self.SSD1306_command(self.SSD1306_SETVCOMDETECT); # 0xDB self.SSD1306_command(0x40); self.SSD1306_command(self.SSD1306_DISPLAYALLON_RESUME); # 0xA4 self.SSD1306_command(self.SSD1306_NORMALDISPLAY); # 0xA6 self.SSD1306_command(self.SSD1306_DISPLAYON);#--turn on oled panel
[docs] def load(self,arg): self.scroll('stop') if arg=='logo': self.clearDisplay() for a in range(1024):self.buff[a]=self.logobuff[a] self.displayOLED()
[docs] def SSD1306_command(self,cmd): self.I2C.start(self.ADDRESS,0) self.I2C.send(0x00) self.I2C.send(cmd) self.I2C.stop()
[docs] def SSD1306_data(self,data): self.I2C.start(self.ADDRESS,0) self.I2C.send(0x40) self.I2C.send(data) self.I2C.stop()
[docs] def clearDisplay(self): self.setCursor(0,0) for a in range(self.SSD1306_LCDWIDTH*self.SSD1306_LCDHEIGHT/8):self.buff[a]=0;
[docs] def displayOLED(self): self.SSD1306_command(self.SSD1306_SETLOWCOLUMN | 0x0); # low col = 0 self.SSD1306_command(self.SSD1306_SETHIGHCOLUMN | 0x0); # hi col = 0 self.SSD1306_command(self.SSD1306_SETSTARTLINE | 0x0); # line #0 a=0 while (a < self.SSD1306_LCDWIDTH*self.SSD1306_LCDHEIGHT/8): self.I2C.start(0x3c,0) self.I2C.send(0x40) for x in range(16): self.I2C.send(self.buff[a]) a+=1 self.I2C.stop();
[docs] def setContrast(self,i): self.SSD1306_command(self.SSD1306_SETCONTRAST) self.SSD1306_command(i)
[docs] def drawPixel(self,x,y,color): if (color == 1): self.buff[x+ (y/8)*self.SSD1306_LCDWIDTH] |= (1<<(y%8)) else: self.buff[x+ (y/8)*self.SSD1306_LCDWIDTH] &= ~(1<<(y%8))
[docs] def drawCircle(self,x0,y0, r,color): f = 1 - r ddF_x = 1 ddF_y = -2 * r x = 0 y = r self.drawPixel(x0, y0+r, color) self.drawPixel(x0, y0-r, color) self.drawPixel(x0+r, y0, color) self.drawPixel(x0-r, y0, color) while (x<y): if (f >= 0): y-=1 ddF_y += 2 f += ddF_y x+=1 ddF_x += 2 f += ddF_x self.drawPixel(x0 + x, y0 + y, color) self.drawPixel(x0 - x, y0 + y, color) self.drawPixel(x0 + x, y0 - y, color) self.drawPixel(x0 - x, y0 - y, color) self.drawPixel(x0 + y, y0 + x, color) self.drawPixel(x0 - y, y0 + x, color) self.drawPixel(x0 + y, y0 - x, color) self.drawPixel(x0 - y, y0 - x, color)
[docs] def drawLine(self,x0, y0, x1, y1, color): steep = abs(y1 - y0) > abs(x1 - x0) if (steep): tmp = y0 y0=x0 x0=tmp tmp = y1 y1=x1 x1=tmp if (x0 > x1): tmp = x1 x1=x0 x0=tmp tmp = y1 y1=y0 y0=tmp dx = x1 - x0 dy = abs(y1 - y0) err = dx / 2 if (y0 < y1): ystep = 1 else: ystep = -1 while(x0<=x1): if (steep): self.drawPixel(y0, x0, color) else: self.drawPixel(x0, y0, color) err -= dy if (err < 0): y0 += ystep err += dx x0+=1
[docs] def drawRect(self,x, y, w,h,color): self.drawFastHLine(x, y, w, color) self.drawFastHLine(x, y+h-1, w, color) self.drawFastVLine(x, y, h, color) self.drawFastVLine(x+w-1, y, h, color)
[docs] def drawFastVLine(self,x, y, h, color): self.drawLine(x, y, x, y+h-1, color)
[docs] def drawFastHLine(self,x, y, w, color): self.drawLine(x, y, x+w-1, y, color)
[docs] def fillRect(self, x, y, w, h, color): for i in range(x,x+w): self.drawFastVLine(i, y, h, color)
[docs] def writeString(self,s): for a in s: self.writeChar(ord(a))
[docs] def writeChar(self,c): if (c == '\n'): cursor_y += textsize*8; cursor_x = 0; elif(c == '\r'): pass else: self.drawChar(self.cursor_x, self.cursor_y, c, self.textcolor, self.textbgcolor, self.textsize) self.cursor_x += self.textsize*6 if (self.wrap and (self.cursor_x > (self._width - self.textsize*6))): self.cursor_y += self.textsize*8 self.cursor_x = 0
[docs] def drawChar(self, x, y, c,color, bg, size): if((x >= self._width) or (y >= self._height) or ((x + 5 * size - 1) < 0) or ((y + 8 * size - 1) < 0)): return; for i in range(6): if (i == 5): line = 0x0; else: line = self.font[c*5+i]; for j in range(8): if (line & 0x1): if (size == 1): self.drawPixel(x+i, y+j, color); else: self.fillRect(x+(i*size), y+(j*size), size, size, color); elif (bg != color): if (size == 1): self.drawPixel(x+i, y+j, bg); else: self.fillRect(x+i*size, y+j*size, size, size, bg); line >>= 1
[docs] def setCursor(self, x, y): self.cursor_x = x self.cursor_y = y
[docs] def setTextSize(self,s): self.textsize = s if (s > 0) else 1
[docs] def setTextColor(self,c, b): self.textcolor = c self.textbgcolor = b
[docs] def setTextWrap(self,w): self.wrap = w
[docs] def scroll(self,arg): if arg=='left': self.SSD1306_command(0x27) #up-0x29 ,2A left-0x27 right0x26 if arg=='right': self.SSD1306_command(0x26) #up-0x29 ,2A left-0x27 right0x26 if arg in ['topright','bottomright']: self.SSD1306_command(0x29) #up-0x29 ,2A left-0x27 right0x26 if arg in ['topleft','bottomleft']: self.SSD1306_command(0x2A) #up-0x29 ,2A left-0x27 right0x26 if arg in ['left','right','topright','topleft','bottomleft','bottomright']: self.SSD1306_command(0x00) #dummy self.SSD1306_command(0x0) #start page self.SSD1306_command(0x7) #time interval 0b100 - 3 frames self.SSD1306_command(0xf) #end page if arg in ['topleft','topright']: self.SSD1306_command(0x02) #dummy 00 . xx for horizontal scroll (speed) elif arg in ['bottomleft','bottomright']: self.SSD1306_command(0xfe) #dummy 00 . xx for horizontal scroll (speed) if arg in ['left','right']: self.SSD1306_command(0x02) #dummy 00 . xx for horizontal scroll (speed) self.SSD1306_command(0xff) self.SSD1306_command(0x2F) if arg=='stop': self.SSD1306_command(0x2E)
[docs] def pulseIt(self): for a in range(2): self.SSD1306_command(0xD6) self.SSD1306_command(0x01) time.sleep(0.1) self.SSD1306_command(0xD6) self.SSD1306_command(0x00) time.sleep(0.1)
[docs] def getRaw(self): return []
if __name__ == "__main__": from SEEL import interface I= interface.connect() O=connect(I.I2C) textbgcolor=0 textcolor=1 O.load('logo') O.scroll('topright') import time time.sleep(2.8) O.scroll('stop')