Function pamoja_ads1115_to_nanovolts 

#[unsafe(no_mangle)]
pub extern "C" fn pamoja_ads1115_to_nanovolts(
    pga: u8,
    raw: i16,
) -> i64

Converts a raw ADS1115 conversion result to nanovolts.

Returns

The measured voltage, exact in integer arithmetic at every gain setting.