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在一個覆盆子,我得到使用Adafruit的CharLCD此消息: 我不明白爲什麼它談論的是必須是字符串參數..類型錯誤:參數1必須是字符串,而不是詮釋
Traceback (most recent call last):
File "./lcd.py", line 52, in <module>
main()
File "./lcd.py", line 39, in main
lcd = LCD.Adafruit_CharLCD(lcd_rs, lcd_en, lcd_d4, lcd_d5, lcd_d6, lcd_d7, lcd_columns, lcd_rows, lcd_backlight)
File "build/bdist.linux-armv7l/egg/Adafruit_CharLCD/Adafruit_CharLCD.py", line 143, in __init__
File "build/bdist.linux-armv7l/egg/Adafruit_GPIO/GPIO.py", line 278, in setup
TypeError: argument 1 must be string, not int
這裏是我的代碼:
#LCD variables
lcd_rs= 18
lcd_en= 23
lcd_d4= 12
lcd_d5= 16
lcd_d6= 20
lcd_d7= 21
lcd_backlight= 4
lcd_columns= 16
lcd_rows= 2
lcd = LCD.Adafruit_CharLCD(lcd_rs, lcd_en, lcd_d4, lcd_d5, lcd_d6, lcd_d7, lcd_columns, lcd_rows, lcd_backlight)
lcd.message('Humidite %s' %(humidity))
TypeError:參數1必須是字符串,而不是int –
這是一個非常明確的錯誤消息。你不知道它在抱怨什麼? –
https://github.com/adafruit/Adafruit_Python_CharLCD/blob/master/Adafruit_CharLCD/Adafruit_CharLCD.py#L143 如果您在此處添加打印語句,您可以查看 – Joe