use ina3221; fn main() { let mut ina = ina3221::Ina3221::new(0x40, "/dev/i2c-1", 5.0); let res = match ina.bus_voltage(ina3221::Channel::One) { Ok(value) => value, Err(error) => panic!("Can't read i2c: {error:?}"), }; println!("Channel one bus voltage: {:?} V.", res); }