MicroPython动手做（38）——控制触摸屏

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MixPY 实验图形编程

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8、实验之三：触摸绿色块开关绿色LED灯

1. #MicroPython动手做（38）——控制触摸屏
   
2. #实验之三：触摸绿色块开关绿色LED灯
   
3. 
   
4. import touchscreen as ts
   
5. import time
   
6. import mixno
   
7. import lcd
   
8. import image
   
9. from machine import I2C
   
10. 
    
11. 
    
12. i2c = I2C(I2C.I2C0, freq=400000, scl=30, sda=31)
    
13. lcd.init(freq=15000000,color=0)
    
14. ts.init(i2c)
    
15. LED_G=mixno.pin(6,mixno.GPIO.OUT)
    
16. image = image.Image()
    
17. while True:
    
18.     image = image.draw_rectangle([100,80,120,80],57351,1,1)
    
19.     if ts.read()[0] == 3:
    
20.         if 100 < ts.read()[1] < 220 and 80 < ts.read()[2] < 160:
    
21.             LED_G.value(0)
    
22.             time.sleep_ms(300)
    
23.     else:
    
24.         LED_G.value(1)
    
25.     lcd.display(image)

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实验三场景示意图

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MixPY 实验图形编程

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9、实验之四：红蓝触摸块控制红蓝色LED灯

红蓝二个色块按钮，点动打开相应颜色的LED灯

1. #MicroPython动手做（38）——控制触摸屏
   
2. #实验之四：红蓝触摸块控制红蓝色LED灯
   
3. 
   
4. import touchscreen as ts
   
5. import mixno
   
6. import lcd
   
7. import image
   
8. from machine import I2C
   
9. 
   
10. 
    
11. i2c = I2C(I2C.I2C0, freq=400000, scl=30, sda=31)
    
12. lcd.init(freq=15000000,color=0)
    
13. ts.init(i2c)
    
14. LED_R=mixno.pin(7,mixno.GPIO.OUT)
    
15. LED_B=mixno.pin(8,mixno.GPIO.OUT)
    
16. image = image.Image()
    
17. image = image.draw_rectangle([50,80,60,80],248,1,1)
    
18. image = image.draw_rectangle([190,80,60,80],7936,1,1)
    
19. while True:
    
20.     if 50 < ts.read()[1] < 110 and 80 < ts.read()[2] < 160:
    
21.         LED_R.value(0)
    
22.     else:
    
23.         LED_R.value(1)
    
24.     if 190 < ts.read()[1] < 250 and 80 < ts.read()[2] < 160:
    
25.         LED_B.value(0)
    
26.     else:
    
27.         LED_B.value(1)
    
28.     lcd.display(image)

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实验四的场景示意图

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MixPY 实验四图形编程

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10、实验之五：触摸画红线

1. #MicroPython动手做（38）——控制触摸屏
   
2. #实验之五：触摸画红线
   
3. 
   
4. import touchscreen as ts
   
5. import mixno
   
6. import lcd
   
7. import image
   
8. from machine import I2C
   
9. 
   
10. 
    
11. lcd.init(freq=15000000,color=0x0000)
    
12. i2c = I2C(I2C.I2C0, freq=400000, scl=30, sda=31)
    
13. ts.init(i2c)
    
14. lcd.clear(0x0000)
    
15. img = image.Image()
    
16. status_last = ts.STATUS_IDLE
    
17. x_last = 0
    
18. y_last = 0
    
19. draw = False
    
20. LED_R=mixno.pin(7,mixno.GPIO.OUT)
    
21. while True:
    
22.     status = ts.read()[0]
    
23.     x = ts.read()[1]
    
24.     y = ts.read()[2]
    
25.     if draw:
    
26.         img = img.draw_line([x_last,y_last,x,y],(255,0,0),1)
    
27.     if status_last != status:
    
28.         if status == ts.STATUS_MOVE or status == ts.STATUS_PRESS:
    
29.             draw = True
    
30.         else:
    
31.             draw = False
    
32.         status_last = status
    
33.     lcd.display(img)
    
34.     x_last = x
    
35.     y_last = y

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实验五的场景示意图

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MixPY 实验五的图形编程