From a01a27d8d2562e08baf7a58a76fc90670cdc2c4e Mon Sep 17 00:00:00 2001
From: Gabriel Hart
Date: Tue, 4 Jan 2022 16:56:37 -0600
Subject: Experimental: add optional delay when using LED_ENABLE_PIN to avoid
 flashes of light

---
 spaghetti-monster/fsm-ramping.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

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

diff --git a/spaghetti-monster/fsm-ramping.c b/spaghetti-monster/fsm-ramping.c
index 05c2e0e..89e1f13 100644
--- a/spaghetti-monster/fsm-ramping.c
+++ b/spaghetti-monster/fsm-ramping.c
@@ -103,6 +103,10 @@ void set_level(uint8_t level) {
     } else {
         // enable the power channel, if relevant
         #ifdef LED_ENABLE_PIN
+            #ifdef LED_ENABLE_DELAY
+            uint8_t led_enable_port_save = LED_ENABLE_PORT;
+            #endif
+            
             #ifndef LED_ENABLE_PIN_LEVEL_MIN
             LED_ENABLE_PORT |= (1 << LED_ENABLE_PIN);
             #else
@@ -113,6 +117,12 @@ void set_level(uint8_t level) {
             else  // disable during other parts of the ramp
                 LED_ENABLE_PORT &= ~(1 << LED_ENABLE_PIN);
             #endif
+            
+            // for drivers with a slow regulator chip (eg, boost converter, delay before lighting up to prevent flashes
+            #ifdef LED_ENABLE_DELAY
+            if (LED_ENABLE_PORT != led_enable_port_save) // only delay if the pin status changed
+                delay_4ms(LED_ENABLE_DELAY/4);
+            #endif
         #endif
         #ifdef LED2_ENABLE_PIN
         LED2_ENABLE_PORT |= (1 << LED2_ENABLE_PIN);
-- 
cgit v1.2.3


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
-- 
cgit v1.2.3


From 7d383475d5b7c0edaabce3665dd880425d51a24d Mon Sep 17 00:00:00 2001
From: Gabriel Hart
Date: Wed, 13 Apr 2022 10:13:45 -0500
Subject: Created LED_DISABLE_DELAY option and enabled it for SP10 Pro to
 hopefully eliminate flashes when turning off at certain levels

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

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

diff --git a/spaghetti-monster/fsm-ramping.c b/spaghetti-monster/fsm-ramping.c
index 1f575fd..2e6901d 100644
--- a/spaghetti-monster/fsm-ramping.c
+++ b/spaghetti-monster/fsm-ramping.c
@@ -93,6 +93,10 @@ void set_level(uint8_t level) {
         TINT1_LVL = 0;
         TINT2_LVL = 0;
         #endif
+        // for drivers with a slow regulator chip (eg, boost converter, delay before turning off to prevent flashes
+        #ifdef LED_DISABLE_DELAY
+            delay_4ms(LED_DISABLE_DELAY/4);
+        #endif
         // disable the power channel, if relevant
         #ifdef LED_ENABLE_PIN
         LED_ENABLE_PORT &= ~(1 << LED_ENABLE_PIN);
-- 
cgit v1.2.3