1 files changed, 3 insertions, 1 deletions
diff --git a/sw/eval-clock-cw-tx/src/cw.rs b/sw/eval-clock-cw-tx/src/cw.rs
index 045ef15..337a3ab 100644
--- a/sw/eval-clock-cw-tx/src/cw.rs
+++ b/sw/eval-clock-cw-tx/src/cw.rs
@@ -10,13 +10,15 @@ use stm32f1xx_hal::{
     pwm,
 };
 
+const SIDETONE_FREQ : u32 = 1000;
+
 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);