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-rw-r--r--hwdef-thefreeman-lin16dac.h1
-rw-r--r--spaghetti-monster/anduril/version.h2
-rw-r--r--spaghetti-monster/fsm-ramping.c10
3 files changed, 12 insertions, 1 deletions
diff --git a/hwdef-thefreeman-lin16dac.h b/hwdef-thefreeman-lin16dac.h
index 0999c4c..77b9ee0 100644
--- a/hwdef-thefreeman-lin16dac.h
+++ b/hwdef-thefreeman-lin16dac.h
@@ -43,6 +43,7 @@ Read voltage from VCC pin, has PFET so no drop
#define LED_ENABLE_PORT PORTB_OUT
#define LED_ENABLE_PIN_LEVEL_MIN 35
#define LED_ENABLE_PIN_LEVEL_MAX 150
+#define LED_ENABLE_DELAY 80 // how many ms to delay turning on the lights after enabling the channel
// For turning on and off the op-amp
#define LED2_ENABLE_PIN PIN7_bp
diff --git a/spaghetti-monster/anduril/version.h b/spaghetti-monster/anduril/version.h
index 7560ef2..ff0abc7 100644
--- a/spaghetti-monster/anduril/version.h
+++ b/spaghetti-monster/anduril/version.h
@@ -1 +1 @@
-#define VERSION_NUMBER "20211029"
+#define VERSION_NUMBER "20220104"
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);