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Event
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Unit
Module
Hat
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Unit EXT.IO
Example
Every 0.2 seconds, change the pin state so that the LED light is off
from m5stack import *
from m5ui import *
from uiflow import *
import time
import unit
setScreenColor(0x222222)
ext_io_0 = unit.get(unit.EXT_IO, unit.PORTA)
ext_io_0.setPortMode(ext_io_0.ALL_OUTPUT)
while True:
ext_io_0.digitWrite(1,0)
wait(0.2)
ext_io_0.digitWrite(2,0)
wait(0.2)
ext_io_0.digitWrite(3,0)
wait(0.2)
ext_io_0.digitWrite(4,0)
wait(0.2)
ext_io_0.digitWrite(1,1)
wait(0.2)
ext_io_0.digitWrite(2,1)
wait(0.2)
ext_io_0.digitWrite(3,1)
wait(0.2)
ext_io_0.digitWrite(4,1)
wait(0.2)
wait_ms(2)API
print(ext_io_0.digitReadPort())- Read all pin status
print(ext_io_0.digitRead(0))- Reads the specified pin state
ext_io_0.digitWrite(0,0)- Pin state is controlled separately
ext_io_0.digitWritePort(0x68)- Control pin state, each pin corresponds to 1 bit
ext_io_0.setPinMode(0, ext_io_0.INPUT)- Set the input or output separately
ext_io_0.setPortMode(ext_io_0.ALL_INPUT)- All pins are set to input or output mode
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