From 3bfa5f1065bce68e637be0b09089921577e88ce7 Mon Sep 17 00:00:00 2001
From: Gabriel Hart
Date: Wed, 5 Jan 2022 09:09:50 -0600
Subject: Experimental: add optional delay when using LED_ENABLE_PIN to avoid
 flashes of light (this time for LED2_ENABLE pin)

---
 spaghetti-monster/fsm-ramping.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'spaghetti-monster/fsm-ramping.c')

diff --git a/spaghetti-monster/fsm-ramping.c b/spaghetti-monster/fsm-ramping.c
index 89e1f13..6bb2390 100644
--- a/spaghetti-monster/fsm-ramping.c
+++ b/spaghetti-monster/fsm-ramping.c
@@ -125,7 +125,17 @@ void set_level(uint8_t level) {
             #endif
         #endif
         #ifdef LED2_ENABLE_PIN
-        LED2_ENABLE_PORT |= (1 << LED2_ENABLE_PIN);
+            #ifdef LED2_ENABLE_DELAY
+            uint8_t led2_enable_port_save = LED2_ENABLE_PORT;
+            #endif
+            
+            LED2_ENABLE_PORT |= (1 << LED2_ENABLE_PIN);
+            
+            // for drivers with a slow regulator chip (eg, boost converter, delay before lighting up to prevent flashes
+            #ifdef LED2_ENABLE_DELAY
+            if (LED2_ENABLE_PORT != led2_enable_port_save) // only delay if the pin status changed
+                delay_4ms(LED2_ENABLE_DELAY/4);
+            #endif
         #endif
 
         // PWM array index = level - 1
-- 
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