Function redpitaya::cmn::cnv_cnt_to_v

pub fn cnv_cnt_to_v(
    field_len: u32, 
    cnts: u32, 
    adc_max_v: f32, 
    calib_scale: u32, 
    calib_dc_off: i32, 
    user_dc_off: f32
) -> f32