From 5e86193dce022967cbe41288d30cb4b21500f5e6 Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Thu, 26 Oct 2023 06:58:23 -0600
Subject: improved blf-lt1 ramp and fixed issue with missed button presses (it
 seems t85 doesn't like having timer overflow interrupts enabled in standby?)

---
 hwdef-blf-lt1.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'hwdef-blf-lt1.c')

diff --git a/hwdef-blf-lt1.c b/hwdef-blf-lt1.c
index df17612..8a8af52 100644
--- a/hwdef-blf-lt1.c
+++ b/hwdef-blf-lt1.c
@@ -50,6 +50,10 @@ Channel channels[] = {
 };
 
 void set_level_zero() {
+    // disable timer 0 overflow interrupt
+    // (helps improve button press handling from Off state)
+    TIMSK &= ~(1 << TOIE0);
+
     // turn off all LEDs
     ch1_dsm_lvl = 0;
     ch2_dsm_lvl = 0;
@@ -67,6 +71,9 @@ void set_hw_levels(PWM_DATATYPE ch1, PWM_DATATYPE ch2) {
     // set hardware PWM levels and init dsm loop
     CH1_PWM = ch1_pwm = ch1 >> 7;
     CH2_PWM = ch2_pwm = ch2 >> 7;
+
+    // enable timer 0 overflow interrupt so DSM can work
+    TIMSK |= (1 << TOIE0);
 }
 
 // delta-sigma modulation of PWM outputs
-- 
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