import nativeio as io
from board import *
#i2c scan
i2c = io.I2C(SCL,SDA)
i2c.try_lock()
i2c.scan()
#write i2c
buf=bytearray()
buf.append(0x00) #resister address
buf.append(0x55) #data
i2c.writeto(32,buf)
#read i2c
buf=bytearray()
buf.append(0) # append start address.
i2c.readfrom_into(32,buf)
#もし1byte以上読みたい場合は読みたいバイト数分bytearrayをappendする。
#release
i2c.unlock()