MicroPython Universal Button Tutorial

陈韶华

MicroPython Universal Button Tutorial [Copy link]

 from pyb import Pin #Introduce pinfrom pyb import ExtInt #Introduce interruptcallbackup = lambda e: print("up") #Define key callbackcallbackdown = lambda e: print("down") #Define key callbackcallbackleft = lambda e: print("left") #Define key callbackcallbackright = lambda e: print("right") #Define key callbackcallbackok = lambda e: print("ok") #Define key callbackext = ExtInt(Pin('W10'), ExtInt.IRQ_FALLING, Pin.PULL_UP, callbackup) #Define key callbackext = ExtInt(Pin('W11'), ExtInt.IRQ_FALLING, Pin.PULL_UP, callbackdown) #Define key callbackext = ExtInt(Pin('W12'), ExtInt.IRQ_FALLING, Pin.PULL_UP, callbackleft) #Define key callbackext = ExtInt(Pin('W13'), ExtInt.IRQ_FALLING, Pin.PULL_UP, callbackright)#define key callback ext = ExtInt(Pin('W14'), ExtInt.IRQ_FALLING, Pin.PULL_UP, callbackok) #define key callback This information is reproduced from openioe and the Internet

johnrey

Doesn't this need to be debounced? Has the hardware already done it?

陈韶华

johnrey posted on 2018-6-21 22:38 Does this not need de-shaking? Has the hardware been solved?

Delay code can be added to de-shake

dcexpert

johnrey posted on 2018-6-21 22:38 Doesn't this need debounce? Has the hardware already done it?

The original buttons don't have debounce processing, but the buttons of pyboardCN V2 have it.