this is i2c library on wallbot BLE. wallbot BLE using BL600. BL600 has one of nRF51822 module. but P0_20 is not use any I/O. this library has use P0_20:SCL P0_21:SDA. based on mbed-src i2c class.

myi2c.h/shortlog@c2a44165fec8: not found in manifest