MicroPython Hands-on (16) - Image display on the control board

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MicroPython Hands-on (16) - Image display on the control board [Copy link]

 

 

The control board has a 1.3-inch OLED display with a resolution of 128x64. There are two ways to display images. One is a bmp format image, which can be converted into hexadecimal image data using a modulo software and displayed on the OLED screen. The other is a pbm format image, which can be displayed on the OLED screen. The built-in image on the board is in pbm format. Compared with hexadecimal image data, pbm format occupies less memory, which allows the control board to store more images. We can also convert our own images into pbm or bmp format and display them on the control board.

1. OLED screen shows heart beating

#MicroPython动手做（16）——掌控板之图片图像显示
#OLED屏显示内置图像心在跳动

from mpython import *

import time

image_picture = Image()
while True:
    oled.fill(0)
    oled.blit(image_picture.load('face/2.pbm', 0), 32, 0)
    oled.show()
    time.sleep(1)
    oled.fill(0)
    oled.blit(image_picture.load('face/1.pbm', 0), 32, 0)
    oled.show()
    time.sleep(1)

This content is originally created by eagler8 , a user of EEWORLD forum. If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the source

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mPython Graphics Programming

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2. Flowing Time

#MicroPython动手做（16）——掌控板之图片图像显示
#流动的时间

from mpython import *

import time

image_picture = Image()
while True:
    oled.fill(0)
    oled.blit(image_picture.load('face/Progress/Timer 0.pbm', 0), 32, 0)
    oled.show()
    time.sleep(1)
    oled.fill(0)
    oled.blit(image_picture.load('face/Progress/Timer 1.pbm', 0), 32, 0)
    oled.show()
    time.sleep(1)
    oled.fill(0)
    oled.blit(image_picture.load('face/Progress/Timer 2.pbm', 0), 32, 0)
    oled.show()
    time.sleep(1)
    oled.fill(0)
    oled.blit(image_picture.load('face/Progress/Timer 3.pbm', 0), 32, 0)
    oled.show()
    time.sleep(1)
    oled.fill(0)
    oled.blit(image_picture.load('face/Progress/Timer 4.pbm', 0), 32, 0)
    oled.show()

eagler8

mPython Graphics Programming

eagler8

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3. Changing faces

#MicroPython动手做（16）——掌控板之图片图像显示
#变幻的人脸

from mpython import *

import time

image_picture = Image()
while True:
    oled.fill(0)
    oled.blit(image_picture.load('face/8.pbm', 0), 32, 0)
    oled.show()
    time.sleep(1)
    oled.fill(0)
    oled.blit(image_picture.load('face/9.pbm', 0), 32, 0)
    oled.show()
    time.sleep(1)
    oled.fill(0)
    oled.blit(image_picture.load('face/12.pbm', 0), 32, 0)
    oled.show()
    time.sleep(1)
    oled.fill(0)
    oled.blit(image_picture.load('face/3.pbm', 0), 32, 0)
    oled.show()
    time.sleep(1)
    oled.fill(0)
    oled.blit(image_picture.load('face/4.pbm', 0), 32, 0)
    oled.show()
    time.sleep(1)

eagler8

mPython Graphics Programming

eagler8

eagler8

4. OLED displays external images.
OLED screens can only display bmp formats with a color depth of 1 or in black and white mode. You can use Photoshop, Paint, or other image display software to convert. The converted image needs to be modulated using a modulus tool. The converted image size should be 128*64, which is the size of the control panel screen. The selected image should have clear lines and not too rich colors.
(1) Select an image

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(2) Open the image with online Photoshop. Here we use https://www.uupoop.com/

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(3) Adjust to 128*64 format and save as bmp format

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(4) Install the small image extraction tool Image2Lcd
Download address:
http://7dx.0098118.com/wwb5/image2lcd32.zip

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(5) Remove the head and tail to get the middle (modulo data)

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(6) Paste the copied hexadecimal image data into the blank space of the following command.

Description: OLED draws hexadecimal array images. Convert hexadecimal data into images and display them at the specified position of the OLED screen. Try to build the program and display the image.

mPython Graphics Programming

eagler8

#MicroPython动手做（16）——掌控板之图片图像显示
#OLED显示外部图片

from mpython import *

import time
while True:
    oled.fill(0)
    oled.Bitmap(0, 0, bytearray([0XFF,0XFF,0XFF,0XFF,0X00,0X0F,0XFF,0XFF,0XFF,0XFF,0XF0,0X00,0XFF,0XFF,0XFF,0XFF, 0XFF,0XFF,0XFF,0XFF,0X00,0X1F,0XFF,0XFF,0XFF,0XFF,0XF0,0X00,0XFF,0XFF,0XFF,0XFF, 0XFF,0XFF,0XFF,0XFF,0X00,0X3C,0X00,0X00,0X00,0X00,0X70,0X00,0XFF,0XFF,0XFF,0XFF, 0XFF,0XFF,0XFF,0XFF,0X00,0X7C,0X00,0X00,0X00,0X00,0X70,0X00,0XFF,0XFF,0XFF,0XFF, 0XFF,0XFF,0XFF,0XFF,0X00,0XEC,0X03,0XFF,0XFF,0XFF,0XFF,0XFC,0XFF,0XFF,0XFF,0XFF, 0XFF,0XFF,0XFF,0XFF,0X01,0XCC,0X07,0XFF,0XFF,0XFF,0XFF,0XFE,0XFF,0XFF,0XFF,0XFF, 0XFF,0XFF,0XFF,0XFF,0X03,0X8C,0X06,0X00,0X00,0X00,0X00,0X03,0XFF,0XFF,0XFF,0XFF, 0XFF,0XFF,0XFF,0XFF,0X07,0X0C,0X06,0X00,0X00,0X00,0X00,0X03,0XFF,0XFF,0XFF,0XFF, 0XFF,0XFF,0XFF,0XFF,0X0E,0X0C,0X06,0X7F,0X87,0X06,0X3F,0XC3,0XFF,0XFF,0XFF,0XFF, 0XFF,0XFF,0XFF,0XFF,0X1C,0X0C,0X06,0X7F,0XC7,0X8E,0X7F,0XE3,0XFF,0XFF,0XFF,0XFF, 0XFF,0XFF,0XFF,0XFF,0X38,0X0C,0X06,0X60,0XE7,0X9E,0X70,0X73,0XFF,0XFF,0XFF,0XFF, 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    oled.show()
    time.sleep(1)
    oled.fill(0)
    oled.Bitmap(0, 0, bytearray([0X00,0X00,0X00,0X00,0XFF,0XF0,0X00,0X00,0X00,0X00,0X0F,0XFF,0X00,0X00,0X00,0X00, 0X00,0X00,0X00,0X00,0XFF,0XE0,0X00,0X00,0X00,0X00,0X0F,0XFF,0X00,0X00,0X00,0X00, 0X00,0X00,0X00,0X00,0XFF,0XC3,0XFF,0XFF,0XFF,0XFF,0X8F,0XFF,0X00,0X00,0X00,0X00, 0X00,0X00,0X00,0X00,0XFF,0X83,0XFF,0XFF,0XFF,0XFF,0X8F,0XFF,0X00,0X00,0X00,0X00, 0X00,0X00,0X00,0X00,0XFF,0X13,0XFC,0X00,0X00,0X00,0X00,0X03,0X00,0X00,0X00,0X00, 0X00,0X00,0X00,0X00,0XFE,0X33,0XF8,0X00,0X00,0X00,0X00,0X01,0X00,0X00,0X00,0X00, 0X00,0X00,0X00,0X00,0XFC,0X73,0XF9,0XFF,0XFF,0XFF,0XFF,0XFC,0X00,0X00,0X00,0X00, 0X00,0X00,0X00,0X00,0XF8,0XF3,0XF9,0XFF,0XFF,0XFF,0XFF,0XFC,0X00,0X00,0X00,0X00, 0X00,0X00,0X00,0X00,0XF1,0XF3,0XF9,0X80,0X78,0XF9,0XC0,0X3C,0X00,0X00,0X00,0X00, 0X00,0X00,0X00,0X00,0XE3,0XF3,0XF9,0X80,0X38,0X71,0X80,0X1C,0X00,0X00,0X00,0X00, 0X00,0X00,0X00,0X00,0XC7,0XF3,0XF9,0X9F,0X18,0X61,0X8F,0X8C,0X00,0X00,0X00,0X00, 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    oled.show()
    time.sleep(1)

eagler8

eagler8

5. Try to convert and display a network picture

eagler8

Online conversion to bmp format

eagler8

Use Image2Lcd to take the model of a small picture (select the appropriate pattern by adjusting the brightness)