From 02521ee8094ff79ff5e927856008c4fa153be6eb Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Sat, 6 Nov 2021 02:30:08 -0600
Subject: reduced SP10 downward ramp flicker even more (reduced PWM_TOP minimum
 timing window to 32 cpu cycles,  to allow TOP value of 64 to work better)

---
 spaghetti-monster/fsm-ramping.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'spaghetti-monster')

diff --git a/spaghetti-monster/fsm-ramping.c b/spaghetti-monster/fsm-ramping.c
index 49e173f..abbfbde 100644
--- a/spaghetti-monster/fsm-ramping.c
+++ b/spaghetti-monster/fsm-ramping.c
@@ -146,8 +146,8 @@ void set_level(uint8_t level) {
             //  the timing of changing the TOP value (section 12.8.4))
             // (but don't wait when turning on from zero, because
             //  it'll reset the phase below anyway)
-            // to be safe, allow at least 64 cycles to update TOP
-            while(prev_level && (PWM1_CNT > (top - 64))) {}
+            // to be safe, allow at least 32 cycles to update TOP
+            while(prev_level && (PWM1_CNT > (top - 32))) {}
             #endif
             // pulse frequency modulation, a.k.a. dynamic PWM
             PWM1_TOP = top;
@@ -155,13 +155,13 @@ void set_level(uint8_t level) {
             // repeat for other channels if necessary
             #ifdef PMW2_TOP
                 #ifdef PWM2_CNT
-                while(prev_level && (PWM2_CNT > (top - 64))) {}
+                while(prev_level && (PWM2_CNT > (top - 32))) {}
                 #endif
                 PWM2_TOP = top;
             #endif
             #ifdef PMW3_TOP
                 #ifdef PWM3_CNT
-                while(prev_level && (PWM3_CNT > (top - 64))) {}
+                while(prev_level && (PWM3_CNT > (top - 32))) {}
                 #endif
                 PWM3_TOP = top;
             #endif
-- 
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