libsbf 0.17.0

A no_std rust crate to parse Septentrio SBF Messages.
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use crate::binrw_util;
use alloc::vec::Vec;
use binrw::binrw;

// MeasExtra Block 4000
#[binrw]
#[derive(Clone, Debug)]
pub struct MeasExtra {
    #[br(map = binrw_util::map_u4)]
    #[bw(map = binrw_util::unmap_u4)]
    pub tow: Option<u32>,
    #[br(map = binrw_util::map_u2)]
    #[bw(map = binrw_util::unmap_u2)]
    pub wnc: Option<u16>,
    pub n: u8,
    pub sb_length: u8,
    pub doppler_var_factor: f32,
    #[br(args { count: usize::from(n), inner: (usize::from(sb_length),) }, map = binrw_util::unwrap_subblocks)]
    #[bw(args_raw = (usize::from(*sb_length),), map = binrw_util::wrap_subblocks)]
    pub channel_sub: Vec<MeasExtraChannelSub>,
}

#[binrw]
#[derive(Clone, Debug)]
pub struct MeasExtraChannelSub {
    pub rx_channel: u8,
    pub type_field: u8,
    pub mp_correction: i16,
    pub smoothing_corr: i16,
    #[br(map = binrw_util::map_u2)]
    #[bw(map = binrw_util::unmap_u2)]
    pub code_var: Option<u16>,
    #[br(map = binrw_util::map_u2)]
    #[bw(map = binrw_util::unmap_u2)]
    pub carrier_var: Option<u16>,
    #[br(map = binrw_util::map_u2)]
    #[bw(map = binrw_util::unmap_u2)]
    pub lock_time: Option<u16>,
    pub cum_loss_cont: u8,
    pub car_mp_corr: i8,
    pub info: u8,
    pub misc: u8,
}