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https://github.com/akuker/RASCSI.git
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Updated oled script for Python3
This commit is contained in:
Adrian Merwood
parent
23cfeb7322
commit
958eaae21e
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@ -29,92 +29,57 @@
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# THE SOFTWARE.
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import time
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import os
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import sys
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import datetime
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#import Adafruit_GPIO.SPI as SPI
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import Adafruit_SSD1306
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from PIL import Image
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from PIL import ImageDraw
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from PIL import ImageFont
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import board
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import busio
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import adafruit_ssd1306
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from PIL import Image, ImageDraw, ImageFont
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import subprocess
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WIDTH = 128
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HEIGHT = 32 # Change to 64 if needed
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BORDER = 5
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# How long to delay between each update
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delay_time_ms = 250
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# Raspberry Pi pin configuration:
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RST = None # on the PiOLED this pin isnt used
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# Note the following are only used with SPI:
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DC = 23
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SPI_PORT = 0
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SPI_DEVICE = 0
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# Define the Reset Pin
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oled_reset = None
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# Beaglebone Black pin configuration:
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# RST = 'P9_12'
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# Note the following are only used with SPI:
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# DC = 'P9_15'
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# SPI_PORT = 1
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# SPI_DEVICE = 0
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# init i2c
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i2c = board.I2C()
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# 128x32 display with hardware I2C:
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disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST)
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oled = adafruit_ssd1306.SSD1306_I2C(WIDTH, HEIGHT, i2c, addr=0x3C, reset=oled_reset)
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# 128x64 display with hardware I2C:
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# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST)
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# Note you can change the I2C address by passing an i2c_address parameter like:
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# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, i2c_address=0x3C)
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# Alternatively you can specify an explicit I2C bus number, for example
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# with the 128x32 display you would use:
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# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, i2c_bus=2)
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# 128x32 display with hardware SPI:
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# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000))
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# 128x64 display with hardware SPI:
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# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000))
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# Alternatively you can specify a software SPI implementation by providing
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# digital GPIO pin numbers for all the required display pins. For example
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# on a Raspberry Pi with the 128x32 display you might use:
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# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, dc=DC, sclk=18, din=25, cs=22)
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print "Running with the following display:"
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print disp
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print
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print "Will update the OLED display every " + str(delay_time_ms) + "ms (approximately)"
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# Initialize library.
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disp.begin()
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print ("Running with the following display:")
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print (oled)
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print ()
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print ("Will update the OLED display every " + str(delay_time_ms) + "ms (approximately)")
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# Clear display.
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disp.clear()
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disp.display()
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oled.fill(0)
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oled.show()
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# Create blank image for drawing.
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# Make sure to create image with mode '1' for 1-bit color.
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width = disp.width
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height = disp.height
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image = Image.new('1', (width, height))
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image = Image.new("1", (oled.width, oled.height))
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# Get drawing object to draw on image.
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draw = ImageDraw.Draw(image)
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# Draw a black filled box to clear the image.
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draw.rectangle((0,0,width,height), outline=0, fill=0)
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draw.rectangle((0,0,WIDTH,HEIGHT), outline=0, fill=0)
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# Draw some shapes.
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# First define some constants to allow easy resizing of shapes.
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padding = -2
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top = padding
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bottom = height-padding
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bottom = HEIGHT-padding
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# Move left to right keeping track of the current x position for drawing shapes.
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x = 0
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# Load default font.
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font = ImageFont.load_default()
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@ -125,10 +90,10 @@ font = ImageFont.load_default()
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while True:
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# Draw a black filled box to clear the image.
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draw.rectangle((0,0,width,height), outline=0, fill=0)
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draw.rectangle((0,0,WIDTH,HEIGHT), outline=0, fill=0)
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cmd = "rasctl -l"
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rascsi_list = subprocess.check_output(cmd, shell=True)
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rascsi_list = subprocess.check_output(cmd, shell=True).decode(sys.stdout.encoding)
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y_pos = top
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# Draw all of the meaningful data to the 'image'
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@ -146,19 +111,20 @@ while True:
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for line in rascsi_list.split('\n'):
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# Skip empty strings, divider lines and the header line...
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if (len(line) == 0) or line.startswith("+---") or line.startswith("| ID | UN"):
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continue
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else:
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if line.startswith("| "):
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fields = line.split('|')
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output = str.strip(fields[1]) + " " + str.strip(fields[3]) + " " + os.path.basename(str.strip(fields[4]))
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else:
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output = "No image mounted!"
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draw.text((x, y_pos), output, font=font, fill=255)
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y_pos = y_pos + 8
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continue
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else:
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if line.startswith("| "):
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fields = line.split('|')
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output = str.strip(fields[1]) + " " + str.strip(fields[3]) + " " + os.path.basename(str.strip(fields[4]))
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else:
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output = "No image mounted!"
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draw.text((x, y_pos), output, font=font, fill=255)
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y_pos += 8
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# If there is still room on the screen, we'll display the time. If there's not room it will just be clipped
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draw.text((x, y_pos), datetime.datetime.now().strftime("%d/%m/%Y %H:%M:%S"), font=font, fill=255)
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# Display image.
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disp.image(image)
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disp.display()
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oled.image(image)
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oled.show()
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time.sleep(1/delay_time_ms)
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