i2c driver with io expander pcf8574a
hi there,
Iam trying to implement i2c communication with io expander pcf8574a ,i have done like this
1. installed i2c-tools
2. modprobe i2c-dev
3.i2cdetect [bus number]
but nothing is found while probing, my expected address is 0x3f
please help !!
|