From bb5ccc8d6046c16c4bef479331caf698d7dd1c3e Mon Sep 17 00:00:00 2001 From: aiminick Date: Tue, 13 Jul 2021 17:56:21 +0800 Subject: [PATCH] Update SSD1306.md --- docs/notes/hardware/SSD1306.md | 229 +++++++++++++++++++++++++++++++++ 1 file changed, 229 insertions(+) diff --git a/docs/notes/hardware/SSD1306.md b/docs/notes/hardware/SSD1306.md index 8b13789..205b38a 100644 --- a/docs/notes/hardware/SSD1306.md +++ b/docs/notes/hardware/SSD1306.md @@ -1 +1,230 @@ +## 1 - Hardware +**0.96inch OLED Module MC096GX** +|Name|Color 1|Color 2|Color 3| +|----|----|----|---| +|Disp Color|white|blue|yellow/blue Double Color| +|SKU|MC096GW|MC096GB|MC096GY| + +|item|content| +|----|----| +|Size|0.96(inch)| +|Type|OLED| +|OLED Chip|SSD1306| +|Resolution|128*64 (Pixel)| +|Module Port|IIC，①-GND,②-VCC,③-SCL,④-SDA| +|Disp Area|21.744x10.864(mm)| +|Module Size|27.3x27.8(mm)| +|Viewing Angle|>160°| +|Work Temp.|-20℃~60℃| +|Save Temp.|-30℃~70℃| +|Operating Volt.|3.3V / 5V| +|Power Consumption|To be determined| +|Product weight (including packaging）|8 (g)| + +|PIN|Mode|Note| +|----|----|----| +|1|GND|OLED Power Ground| +|2|VCC|OLED Power (3.3V~5V)| +|3|SCL|OLED IIC BUS timer signal| +|4|SDA|OLED IIC BUS date signal| + +---- + +## 2 - Raspberry Pi 4B + +#### (1). I2C Config + +``` +cat /boot/config.txt | grep i2c_arm +dtparam=i2c_arm=on +``` + +#### (2). PIN Connect + +|PI GPIO NO.|OLED|PI| +|----|----|----| +|GND|GND|1| +|3|VCC|3V3| +|5|SDA|SDA| +|9|SCL|SCL| + +#### (3). Install + +``` +apt-get install python-pip python3-pip -y +python -m pip install --upgrade pip setuptools wheel +apt-get install python-pil python3-pil -y +pip3 install Adafruit_GPIO +pip3 install Adafruit_SSD1306 +pip3 install Adafruit_BBIO + +git clone https://github.com/adafruit/Adafruit_Python_SSD1306.git +cd Adafruit_Python_SSD1306 +sudo python setup.py install + +cd Adafruit_Python_SSD1306/examples/ +cp Adafruit_Python_SSD1306/examples/stats.py /opt/ +python /opt/stats.py +``` + +#### (4). stats.py + +``` +# Copyright (c) 2017 Adafruit Industries +# Author: Tony DiCola & James DeVito +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + +import time + +import Adafruit_GPIO.SPI as SPI +import Adafruit_SSD1306 + +from PIL import Image +from PIL import ImageDraw +from PIL import ImageFont + +import subprocess + +# Raspberry Pi pin configuration: +RST = None # on the PiOLED this pin isnt used + +# Note the following are only used with SPI: +DC = 23 +SPI_PORT = 0 +SPI_DEVICE = 0 + +# Beaglebone Black pin configuration: +# RST = 'P9_12' +# Note the following are only used with SPI: +# DC = 'P9_15' +# SPI_PORT = 1 +# SPI_DEVICE = 0 + +# 128x32 display with hardware I2C: +#disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST) + +# 128x64 display with hardware I2C: +#disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST) + +# Note you can change the I2C address by passing an i2c_address parameter like: + +disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, i2c_address=0x3C) + +# Alternatively you can specify an explicit I2C bus number, for example +# with the 128x32 display you would use: +# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, i2c_bus=2) + +# 128x32 display with hardware SPI: +# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000)) + +# 128x64 display with hardware SPI: +# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000)) + +# Alternatively you can specify a software SPI implementation by providing +# digital GPIO pin numbers for all the required display pins. For example +# on a Raspberry Pi with the 128x32 display you might use: +# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, dc=DC, sclk=18, din=25, cs=22) + +# Initialize library. +disp.begin() + +# Clear display. +disp.clear() +disp.display() + +# Create blank image for drawing. +# Make sure to create image with mode '1' for 1-bit color. +width = disp.width +height = disp.height +image = Image.new('1', (width, height)) + +# Get drawing object to draw on image. +draw = ImageDraw.Draw(image) + +# Draw a black filled box to clear the image. +draw.rectangle((0,0,width,height), outline=0, fill=0) + +# Draw some shapes. +# First define some constants to allow easy resizing of shapes. +padding = -2 +top = padding +bottom = height-padding +# Move left to right keeping track of the current x position for drawing shapes. +x = 0 + + +# Load default font. +font = ImageFont.load_default() + +# Alternatively load a TTF font. Make sure the .ttf font file is in the same directory as the python script! +# Some other nice fonts to try: http://www.dafont.com/bitmap.php +# font = ImageFont.truetype('Minecraftia.ttf', 8) + +while True: + + # Draw a black filled box to clear the image. + draw.rectangle((0,0,width,height), outline=0, fill=0) + + # Shell scripts for system monitoring from here : https://unix.stackexchange.com/questions/119126/command-to-display-memory-usage-disk-usage-and-cpu-load + + cmd = "hostname -I | cut -d\' \' -f1" + IP = subprocess.check_output(cmd, shell = True ) + + cmd = "top -bn1 | grep load | awk '{printf \"CPU Load: %.2f\", $(NF-2)}'" + CPU = subprocess.check_output(cmd, shell = True ) + + cmd = "free -m | awk 'NR==2{printf \"Mem: %s/%sMB %.2f%%\", $3,$2,$3*100/$2 }'" + MemUsage = subprocess.check_output(cmd, shell = True ) + + cmd = "df -h | awk '$NF==\"/\"{printf \"Disk: %d/%dGB %s\", $3,$2,$5}'" + Disk = subprocess.check_output(cmd, shell = True ) + + cmd = "echo $(uname -r |sed 's/Release-OPENFANS+//'|sed 's/v8//'|sed 's/202.//')$(cat /boot/version|awk -F'-' '{print $6}')" + Ver = subprocess.check_output(cmd, shell = True ) + + cmd = "/usr/bin/get_cpu|grep Freq|awk '{print $3}'|sed 's/Mhz/ Mhz/'" + Freq = subprocess.check_output(cmd, shell = True ) + + cmd = "/usr/bin/get_cpu|grep Temp|awk '{print $3}'" + Temp = subprocess.check_output(cmd, shell = True ) + + # Write two lines of text. + + draw.text((x, top+0), "Freq: " + str(Freq), font=font, fill=255) + + draw.text((x, top+8), "Temp: " + str(Temp), font=font, fill=255) + + draw.text((x, top+16), str(CPU), font=font, fill=255) + + draw.text((x, top+25), str(MemUsage), font=font, fill=255) + + draw.text((x, top+35), str(Disk), font=font, fill=255) + + draw.text((x, top+45), "IP: " + str(IP), font=font, fill=255) + + draw.text((x, top+55), "Ver: " + str(Ver),font=font, fill=255) + + # Display image. + disp.image(image) + disp.display() + time.sleep(.1) +``` +