Function soapysdr_sys::SoapySDRDevice_readChannelSetting

pub unsafe extern "C" fn SoapySDRDevice_readChannelSetting(
    device: *const SoapySDRDevice,
    direction: c_int,
    channel: usize,
    key: *const c_char
) -> *mut c_char

Read an arbitrary channel setting on the device. \param device a pointer to a device instance \param direction the channel direction RX or TX \param channel an available channel on the device \param key the setting identifier \return the setting value