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-rw-r--r--sw/dart-70/src/cw.rs2
-rw-r--r--sw/dart-70/src/main.rs92
-rw-r--r--sw/dart-70/src/state.rs33
-rw-r--r--sw/dart-70/src/ui.rs26
4 files changed, 113 insertions, 40 deletions
diff --git a/sw/dart-70/src/cw.rs b/sw/dart-70/src/cw.rs
index 4656f81..7ff8c05 100644
--- a/sw/dart-70/src/cw.rs
+++ b/sw/dart-70/src/cw.rs
@@ -5,6 +5,7 @@ use stm32f1xx_hal::{
pac::TIM1,
};
+/*
const CW_MAPPING : [u8; 50] = [ //{{{
// Read bits from right to left
@@ -69,6 +70,7 @@ const CW_MAPPING : [u8; 50] = [ //{{{
]; //}}}
const CW_MACRO : &[u8; 28] = b"CQ DE HB9EGM HB9EGM HB9EGM K";
+*/
pub const SIDETONE_FREQ : u32 = 800;
diff --git a/sw/dart-70/src/main.rs b/sw/dart-70/src/main.rs
index 77f6044..7967b23 100644
--- a/sw/dart-70/src/main.rs
+++ b/sw/dart-70/src/main.rs
@@ -58,7 +58,7 @@ struct SharedWithISR {
state: State,
last_sequence_state_change: u32,
cw_ptt_timestamp: u32,
- cw_key_n: gpio::gpioa::PA15<gpio::Output<gpio::OpenDrain>>,
+ cw_key_n: gpio::gpioa::PA15<gpio::Output<gpio::PushPull>>,
ui: ui::UI,
cw_pwm: cw::CWPWM,
cw_keyer: cw::Keyer,
@@ -70,6 +70,7 @@ struct SharedWithISR {
mute_spkr: gpio::gpioa::PA2<gpio::Output<gpio::PushPull>>,
mute_micn: gpio::gpioa::PA1<gpio::Output<gpio::PushPull>>,
led: gpio::gpiob::PB14<gpio::Output<gpio::OpenDrain>>,
+ vox_ptt_n : gpio::gpioa::PA0<gpio::Input<gpio::PullUp>>,
}
static mut SHARED: MaybeUninit<SharedWithISR> = MaybeUninit::uninit();
@@ -116,7 +117,7 @@ fn main() -> ! {
let btn2 = gpiob.pb12.into_floating_input(&mut gpiob.crh); // BTN2 Button C
let btn3 = gpiob.pb13.into_floating_input(&mut gpiob.crh); // BTN3 Button D
let pc15 = gpioc.pc15.into_floating_input(&mut gpioc.crh); // ENC BTN
- let ui = ui::UI::new(mic_ptt, vox_ptt_n, btn0, btn1, btn2, btn3, pc15);
+ let ui = ui::UI::new(mic_ptt, btn0, btn1, btn2, btn3, pc15);
let cw_pwm = {
let pa8 = gpioa.pa8.into_alternate_push_pull(&mut gpioa.crh); // CW PWM output using TIM1 Ch1
@@ -137,7 +138,7 @@ fn main() -> ! {
led.set_low();
let (pa15, pb3, pb4) = afio.mapr.disable_jtag(gpioa.pa15, gpiob.pb3, gpiob.pb4);
- let cw_key_n = pa15.into_open_drain_output_with_state(&mut gpioa.crh, PinState::High);
+ let cw_key_n = pa15.into_push_pull_output_with_state(&mut gpioa.crh, PinState::High);
let en_pa = pb3.into_push_pull_output_with_state(&mut gpiob.crl, PinState::Low);
let en_rx = pb4.into_push_pull_output_with_state(&mut gpiob.crl, PinState::Low);
@@ -223,7 +224,7 @@ fn main() -> ! {
ui,
cw_pwm,
cw_keyer : cw::Keyer::new(12, TICKS_PER_SECOND),
- cw_paddle_tip, cw_paddle_ring, en_pa, en_rx, en_tx, mute_spkr, mute_micn, led
+ cw_paddle_tip, cw_paddle_ring, en_pa, en_rx, en_tx, mute_spkr, mute_micn, led, vox_ptt_n
};
si_clock::SiClock::new(i2c_busmanager.acquire_i2c(), shared.state.bfo(), shared.state.vfo())
@@ -322,6 +323,7 @@ fn s_meter_from_adc(adc : u16) -> u8 {
// ADC is 12-bit, convert to dB full-scale
let adc_db = 10f32 * log10f::log10f(adc / 4092f32);
+ /*
/* Hand-calibrated lookup table */
if adc_db <= -35f32 {
1
@@ -340,6 +342,17 @@ fn s_meter_from_adc(adc : u16) -> u8 {
}
else {
9
+ } */
+
+ let fake_s = -adc_db;
+ if fake_s < 0.0 {
+ 0
+ }
+ else if fake_s > 255.0 {
+ 255
+ }
+ else {
+ fake_s as u8
}
}
@@ -351,7 +364,7 @@ fn TIM2() {
let ticks = unsafe { &mut *TICK_COUNTER.as_mut_ptr() };
*ticks += 1;
- let mut shared = unsafe { &mut *SHARED.as_mut_ptr() };
+ let shared = unsafe { &mut *SHARED.as_mut_ptr() };
let button_result = shared.ui.handle_buttons(&mut shared.state);
if button_result.display_update {
@@ -380,12 +393,21 @@ fn TIM2() {
_ => false,
};
- let cw_beep = shared.state.send_tone ||
+ let cw_beep = if shared.state.send_tone {
+ shared.cw_keyer.tick(*ticks, false, true)
+ }
+ else {
match shared.state.mode {
Mode::CW(CWMode::StraightKey) => cw_paddle_tip_low,
Mode::CW(CWMode::Iambic) => shared.cw_keyer.tick(*ticks, cw_paddle_tip_low, cw_paddle_ring_low),
_ => false,
- };
+ }
+ };
+
+ let dig_ptt = match shared.state.mode {
+ Mode::DIG => shared.vox_ptt_n.is_low(),
+ _ => false,
+ };
let next_state = match shared.state.sequence_state {
SequenceState::Rx => {
@@ -394,7 +416,15 @@ fn TIM2() {
shared.en_rx.set_high();
shared.en_tx.set_low();
shared.en_pa.set_low();
- if button_result.ptt || cw_ptt {
+ shared.led.set_high();
+
+ let mode_relevant_ptt = match shared.state.mode {
+ Mode::CW(_) => cw_ptt,
+ Mode::DIG => dig_ptt,
+ _ => button_result.ptt,
+ };
+
+ if mode_relevant_ptt {
SequenceState::MutingSpkr
}
else {
@@ -413,6 +443,9 @@ fn TIM2() {
else if cw_ptt {
SequenceState::SwitchingCW
}
+ else if dig_ptt {
+ SequenceState::SwitchingDIG
+ }
else {
SequenceState::Rx
}
@@ -444,10 +477,25 @@ fn TIM2() {
SequenceState::Rx
}
},
+ SequenceState::SwitchingDIG => {
+ shared.mute_spkr.set_high();
+ shared.en_rx.set_low();
+ shared.en_tx.set_high();
+ shared.en_pa.set_low();
+ shared.mute_micn.set_high();
+
+ if dig_ptt {
+ SequenceState::TxDIG
+ }
+ else {
+ SequenceState::Rx
+ }
+ },
SequenceState::TxSSB => {
shared.en_rx.set_low();
shared.en_tx.set_high();
shared.en_pa.set_high();
+ shared.led.set_low();
if button_result.ptt {
SequenceState::TxSSB
@@ -457,10 +505,19 @@ fn TIM2() {
}
},
SequenceState::TxCW => {
+ shared.mute_spkr.set_low();
shared.en_rx.set_low();
shared.en_tx.set_high();
shared.en_pa.set_high();
+ if cw_beep {
+ shared.led.set_low();
+ }
+ else {
+ shared.led.set_high();
+ }
+
+
if cw_ptt {
SequenceState::TxCW
}
@@ -468,29 +525,40 @@ fn TIM2() {
SequenceState::SwitchingCW
}
},
+ SequenceState::TxDIG => {
+ shared.mute_spkr.set_high();
+ shared.en_rx.set_low();
+ shared.en_tx.set_high();
+ shared.en_pa.set_high();
+ shared.led.set_low();
+
+ if dig_ptt {
+ SequenceState::TxDIG
+ }
+ else {
+ SequenceState::SwitchingDIG
+ }
+ },
};
match shared.state.sequence_state {
SequenceState::TxCW => {
if cw_beep {
- shared.led.set_low();
shared.cw_pwm.on();
shared.cw_key_n.set_low();
}
else {
- shared.led.set_high();
shared.cw_pwm.off();
shared.cw_key_n.set_high();
}
},
_ => {
- shared.led.set_high();
shared.cw_pwm.off();
shared.cw_key_n.set_high();
},
}
- const SWITCHING_DELAY : u32 = TICKS_PER_SECOND * 80 / 1000;
+ const SWITCHING_DELAY : u32 = TICKS_PER_SECOND * 20 / 1000;
if shared.state.sequence_state != next_state &&
shared.last_sequence_state_change + SWITCHING_DELAY <= *ticks {
shared.state.sequence_state = next_state;
diff --git a/sw/dart-70/src/state.rs b/sw/dart-70/src/state.rs
index d5d4bf3..ffde88a 100644
--- a/sw/dart-70/src/state.rs
+++ b/sw/dart-70/src/state.rs
@@ -1,5 +1,6 @@
pub const VHF_BAND_EDGE : u32 = 70_000_000;
pub const VHF_INITIAL_VFO : u32 = 70_200_000;
+pub const VFO_FREQ_ERROR : i32 = 2_000; // measured at 70.2 MHz
// Values below are measured with the assembled XTAL filter
pub const XTAL_FILT_FREQ : u32 = 11_057_500;
pub const BFO_LSB : u32 = XTAL_FILT_FREQ + 1_400;
@@ -38,6 +39,7 @@ pub enum Mode {
USB,
CustomShift(u32),
CW(CWMode),
+ DIG,
}
#[derive(Clone, PartialEq, Eq)]
@@ -48,6 +50,8 @@ pub enum SequenceState {
TxSSB,
SwitchingCW,
TxCW,
+ SwitchingDIG,
+ TxDIG,
}
impl SequenceState {
@@ -89,19 +93,12 @@ impl State {
}
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,
- },
- }
+ match self.mode {
+ Mode::LSB => BFO_LSB,
+ Mode::USB => BFO_USB,
+ Mode::CustomShift(fs) => fs,
+ Mode::CW(_) => BFO_CW,
+ Mode::DIG => BFO_USB,
}
}
@@ -113,14 +110,8 @@ impl State {
}
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;
+ let vfo = (self.vhf_qrg() - self.bfo()) as i32 + VFO_FREQ_ERROR +
+ if self.sequence_state.apply_rit() { self.rit } else { 0 };
vfo as u32
}
}
diff --git a/sw/dart-70/src/ui.rs b/sw/dart-70/src/ui.rs
index f607b2b..9db2988 100644
--- a/sw/dart-70/src/ui.rs
+++ b/sw/dart-70/src/ui.rs
@@ -31,7 +31,7 @@ use stm32f1xx_hal::{
gpio::gpioa::*,
gpio::gpiob::*,
gpio::gpioc::*,
- gpio::{Input, PullUp, Floating},
+ gpio::{Input, Floating},
};
use embedded_hal::blocking::delay::{DelayMs, DelayUs};
@@ -104,7 +104,6 @@ pub struct UI {
btn_enc : PC15<Input<Floating>>,
mic_ptt : PA3<Input<Floating>>,
- _vox_ptt_n : PA0<Input<PullUp>>,
previous_button_state : ButtonState,
}
@@ -112,7 +111,6 @@ pub struct UI {
impl UI {
pub fn new(
mic_ptt: PA3<Input<Floating>>,
- vox_ptt_n: PA0<Input<PullUp>>,
btn0: PB1<Input<Floating>>,
btn1: PB0<Input<Floating>>,
btn2: PB12<Input<Floating>>,
@@ -126,7 +124,6 @@ impl UI {
btn3,
btn_enc,
mic_ptt,
- _vox_ptt_n: vox_ptt_n,
previous_button_state: ButtonState::default(),
}
}
@@ -189,8 +186,9 @@ impl UI {
(UISelection::Mode, Mode::USB) => (UISelection::Mode, Mode::LSB),
(UISelection::Mode, Mode::LSB) => (UISelection::Mode, Mode::CW(CWMode::StraightKey)),
(UISelection::Mode, Mode::CW(CWMode::StraightKey)) => (UISelection::Mode, Mode::CW(CWMode::Iambic)),
- (UISelection::Mode, Mode::CW(CWMode::Iambic)) => (UISelection::Mode, Mode::USB),
- (UISelection::Mode, Mode::CustomShift(_)) => (UISelection::Mode, Mode::USB),
+ (UISelection::Mode, Mode::CW(CWMode::Iambic)) => (UISelection::Mode, Mode::DIG),
+ (UISelection::Mode, Mode::CustomShift(_)) => (UISelection::Mode, Mode::DIG),
+ (UISelection::Mode, Mode::DIG) => (UISelection::Mode, Mode::USB),
(_, f) => (UISelection::Mode, f),
};
@@ -322,7 +320,20 @@ pub fn update_disp<T: hd44780_driver::bus::DataBus, D: DelayUs<u16> + DelayMs<u8
if string.len() <= 16 - 4 {
// Avoids crash when frequency is very negative
- write!(string, " S{:1}", s_meter_value).unwrap();
+ write!(string, "S{:3}", s_meter_value).unwrap();
+ /*
+ write!(string, " {:2}",
+ match state.sequence_state {
+ SequenceState::Rx => "Rx",
+ SequenceState::MutingSpkr => "Ms",
+ SequenceState::SwitchingSSB => "Ss",
+ SequenceState::TxSSB => "Ts",
+ SequenceState::SwitchingCW => "Sc",
+ SequenceState::TxCW => "Tc",
+ SequenceState::SwitchingDIG => "Sd",
+ SequenceState::TxDIG => "Td",
+ }).unwrap();
+ */
}
lcd.set_cursor_pos(0, delay).unwrap();
@@ -348,6 +359,7 @@ pub fn update_disp<T: hd44780_driver::bus::DataBus, D: DelayUs<u16> + DelayMs<u8
Mode::CustomShift(_) => "IFs",
Mode::CW(CWMode::StraightKey) => "CWs",
Mode::CW(CWMode::Iambic) => "CWp",
+ Mode::DIG => "DIG",
};
write!(string, "{} 1/2", mode).unwrap();
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 13:44:21 +0000