Notes from the edge of silicon

// Derek's annotation:
// Ensure safe memory access at the edge
pub fn read_sensor_data(address: u16) -> Result<f32, Err> {
    let mut buffer = [0u8; 4];

    match hardware_bus.read(address, &mut buffer) {
        Ok(_) => Ok(f32::from_le_bytes(buffer)),
        Err(e) => {
            log_error!("I2C failure at node");
            Err(e)
        }
    }
}