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pub const VHF_BAND_EDGE : u32 = 70_000_000;
pub const VHF_INITIAL_VFO : u32 = 70_300_000;
// Values below are measured with the assembled XTAL filter
pub const XTAL_FILT_FREQ : u32 = 11_057_510;
pub const BFO_LSB : u32 = XTAL_FILT_FREQ + 1_400;
pub const BFO_USB : u32 = XTAL_FILT_FREQ - 1_400;
pub const BFO_CW : u32 = XTAL_FILT_FREQ - 1_400;
// Defines which parameter is changed by the encoder
#[derive(Clone, Copy, PartialEq, Eq)]
pub enum UISelection {
VFO,
RIT,
Mode,
}
#[derive(Clone, Copy, PartialEq, Eq)]
pub enum MenuPage {
One,
Two,
}
#[derive(Clone, Copy)]
pub enum VFOSelection {
A,
B,
}
#[derive(PartialEq, Eq, Clone, Copy)]
pub enum CWMode {
StraightKey,
Iambic,
}
#[derive(PartialEq, Eq, Clone, Copy)]
pub enum Mode {
LSB,
USB,
CustomShift(u32),
CW(CWMode),
}
#[derive(Clone, PartialEq, Eq)]
pub enum SequenceState {
Rx,
MutingSpkr,
SwitchingSSB,
TxSSB,
SwitchingCW,
TxCW,
}
impl SequenceState {
fn apply_rit(&self) -> bool {
*self == SequenceState::Rx
}
}
#[derive(Clone)]
pub struct State {
pub menu_page : MenuPage,
pub ui_sel : UISelection,
pub vfo_a : u32,
pub vfo_b : u32,
pub vfo_sel : VFOSelection,
pub rit : i32,
pub mode : Mode,
pub send_tone : bool,
pub sequence_state : SequenceState,
pub update_disp_counter : u8,
pub cw_wpm : u32,
}
impl State {
pub fn new() -> Self {
State {
menu_page : MenuPage::One,
ui_sel : UISelection::VFO,
vfo_a : VHF_INITIAL_VFO,
vfo_b : VHF_INITIAL_VFO,
vfo_sel : VFOSelection::A,
rit : 0,
mode : Mode::USB,
send_tone : false,
sequence_state : SequenceState::Rx,
update_disp_counter : 0,
cw_wpm : 14,
}
}
pub fn bfo(&self) -> u32 {
if self.send_tone {
0
}
else {
match self.mode {
Mode::LSB => BFO_LSB,
Mode::USB => BFO_USB,
Mode::CustomShift(fs) => fs,
Mode::CW(_) => match self.sequence_state {
SequenceState::SwitchingCW | SequenceState::TxCW => 0,
_ => BFO_CW,
},
}
}
}
pub fn vhf_qrg(&self) -> u32 {
match self.vfo_sel {
VFOSelection::A => self.vfo_a,
VFOSelection::B => self.vfo_b,
}
}
pub fn vfo(&self) -> u32 {
let cw_offset = match self.sequence_state {
SequenceState::SwitchingCW | SequenceState::TxCW => 500,
_ => 0,
};
let vfo = (self.vhf_qrg() - self.bfo()) as i32 +
if self.sequence_state.apply_rit() { self.rit } else { 0 } +
cw_offset;
vfo as u32
}
}
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