From 54936d4997a9a5188a26570c7b61309eb17e69eb Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Mon, 6 Mar 2023 09:05:46 +0100
Subject: Add antenna voltage, separate EN_TX and EN_PA

---
 sw/dart-70/pio.txt     |  5 +++--
 sw/dart-70/src/main.rs | 20 ++++++++++++++------
 2 files changed, 17 insertions(+), 8 deletions(-)

(limited to 'sw/dart-70')

diff --git a/sw/dart-70/pio.txt b/sw/dart-70/pio.txt
index bd8b6a6..4552e12 100644
--- a/sw/dart-70/pio.txt
+++ b/sw/dart-70/pio.txt
@@ -31,7 +31,8 @@ Microphone switches
 
 ## GPIO outputs
 
- * EN_RX PB3
+ * EN_PA PB3
+ * EN_RX PB4
  * EN_TX PB5
  * CW_KEYn PA15
  * MUTE_SPKR PA2
@@ -43,7 +44,7 @@ To XTAL filter board
  * GPIO_XTAL PA4 ADC12_IN4
 
 J33 Header
-* PB4, PB15
+* PB15
 * PA9 USART1_TX
 * PA10 USART1_RX
 
diff --git a/sw/dart-70/src/main.rs b/sw/dart-70/src/main.rs
index 425f1c6..7d6a789 100644
--- a/sw/dart-70/src/main.rs
+++ b/sw/dart-70/src/main.rs
@@ -64,7 +64,8 @@ struct SharedWithISR {
     cw_keyer: cw::Keyer,
     cw_paddle_tip: gpio::gpiob::PB8<gpio::Input<gpio::PullUp>>,
     cw_paddle_ring: gpio::gpiob::PB9<gpio::Input<gpio::PullUp>>,
-    en_rx: gpio::gpiob::PB3<gpio::Output<gpio::PushPull>>,
+    en_pa: gpio::gpiob::PB3<gpio::Output<gpio::PushPull>>,
+    en_rx: gpio::gpiob::PB4<gpio::Output<gpio::PushPull>>,
     en_tx: gpio::gpiob::PB5<gpio::Output<gpio::PushPull>>,
     mute_spkr: gpio::gpioa::PA2<gpio::Output<gpio::PushPull>>,
     mute_micn: gpio::gpioa::PA1<gpio::Output<gpio::PushPull>>,
@@ -135,10 +136,11 @@ fn main() -> ! {
     let mut led = gpiob.pb14.into_open_drain_output(&mut gpiob.crh);
     led.set_low();
 
-    let (pa15, pb3, _pb4) = afio.mapr.disable_jtag(gpioa.pa15, gpiob.pb3, gpiob.pb4);
+    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 en_rx = pb3.into_push_pull_output_with_state(&mut gpiob.crl, PinState::Low);
+    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);
     let en_tx = gpiob.pb5.into_push_pull_output_with_state(&mut gpiob.crl, PinState::Low);
 
     let mute_spkr = gpioa.pa2.into_push_pull_output_with_state(&mut gpioa.crl, PinState::Low);
@@ -221,7 +223,7 @@ fn main() -> ! {
             ui,
             cw_pwm,
             cw_keyer : cw::Keyer::new(12, TICKS_PER_SECOND),
-            cw_paddle_tip, cw_paddle_ring, 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
         };
 
         si_clock::SiClock::new(i2c_busmanager.acquire_i2c(), shared.state.bfo(), shared.state.vfo())
@@ -391,6 +393,7 @@ fn TIM2() {
             shared.mute_micn.set_low();
             shared.en_rx.set_high();
             shared.en_tx.set_low();
+            shared.en_pa.set_low();
             if button_result.ptt || cw_ptt {
                 SequenceState::MutingSpkr
             }
@@ -403,6 +406,7 @@ fn TIM2() {
             shared.mute_micn.set_low();
             shared.en_rx.set_high();
             shared.en_tx.set_low();
+            shared.en_pa.set_low();
             if button_result.ptt {
                 SequenceState::SwitchingSSB
             }
@@ -416,7 +420,8 @@ fn TIM2() {
         SequenceState::SwitchingSSB => {
             shared.mute_spkr.set_high();
             shared.en_rx.set_low();
-            shared.en_tx.set_low();
+            shared.en_tx.set_high();
+            shared.en_pa.set_low();
             shared.mute_micn.set_high();
 
             if button_result.ptt {
@@ -429,7 +434,8 @@ fn TIM2() {
         SequenceState::SwitchingCW => {
             shared.mute_spkr.set_high();
             shared.en_rx.set_low();
-            shared.en_tx.set_low();
+            shared.en_tx.set_high();
+            shared.en_pa.set_low();
             shared.mute_micn.set_low();
             if cw_ptt {
                 SequenceState::TxCW
@@ -441,6 +447,7 @@ fn TIM2() {
         SequenceState::TxSSB => {
             shared.en_rx.set_low();
             shared.en_tx.set_high();
+            shared.en_pa.set_high();
 
             if button_result.ptt {
                 SequenceState::TxSSB
@@ -452,6 +459,7 @@ fn TIM2() {
         SequenceState::TxCW => {
             shared.en_rx.set_low();
             shared.en_tx.set_high();
+            shared.en_pa.set_high();
 
             if cw_ptt {
                 SequenceState::TxCW
-- 
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