From 09fe7720e68f94b5bf4084a97a920bfe30852605 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Mon, 9 Jan 2023 18:07:14 +0100
Subject: Do some schematic changes

---
 sw/picardy/src/cw.rs | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 68 insertions(+), 1 deletion(-)

(limited to 'sw')

diff --git a/sw/picardy/src/cw.rs b/sw/picardy/src/cw.rs
index 045ef15..508b939 100644
--- a/sw/picardy/src/cw.rs
+++ b/sw/picardy/src/cw.rs
@@ -10,13 +10,80 @@ use stm32f1xx_hal::{
     pwm,
 };
 
+const CW_MAPPING : [u8; 50] = [ //{{{
+    // Read bits from right to left
+
+    0b110101, //+ ASCII 43
+    0b110101, //, ASCII 44
+    0b1011110, //- ASCII 45
+
+    0b1010101, //., ASCII 46
+    0b110110, // / ASCII 47
+
+    0b100000, // 0, ASCII 48
+    0b100001, // 1
+    0b100011,
+    0b100111,
+    0b101111,
+    0b111111,
+    0b111110,
+    0b111100,
+    0b111000,
+    0b110000, // 9, ASCII 57
+
+    // The following are mostly invalid, but
+    // required to fill the gap in ASCII between
+    // numerals and capital letters
+    0b10, // :
+    0b10, // ;
+    0b10, // <
+    0b101110, // =
+    0b10, // >
+    0b1110011, // ?
+    0b1101001, //@
+
+    0b101, // A  ASCII 65
+    0b11110,
+    0b11010,
+    0b1110,
+    0b11,
+    0b11011,
+    0b1100,
+    0b11111,
+    0b111,
+    0b10001,
+    0b1010,
+    0b11101,
+    0b100, //M
+    0b110,
+    0b1000,
+    0b11001,
+    0b10100,
+    0b1101,
+    0b1111,
+    0b10,
+    0b1011,
+    0b10111,
+    0b1001,
+    0b10110,
+    0b10010,
+    0b11100, // Z
+
+    0b101010, //Start, ASCII [
+    0b1010111, // SK , ASCII '\'
+]; //}}}
+
+const CW_MACRO : &[u8; 28] = b"CQ DE HB9EGM HB9EGM HB9EGM K";
+
+const SIDETONE_FREQ : u32 = 800;
+
 pub struct CWPWM {
     channel : pwm::PwmChannel<TIM1, pwm::C1>,
 }
 
 impl CWPWM {
     pub fn new(pa8: PA8<Alternate<PushPull>>, tim1: timer::Timer<TIM1>, mapr: &mut MAPR) -> Self {
-        let pwm = tim1.pwm(pa8, mapr, 400.hz());
+        let pwm = tim1.pwm(pa8, mapr, SIDETONE_FREQ.hz());
         let mut channel = pwm.split();
         channel.enable();
         channel.set_duty(0);
-- 
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