From d6a5ee168928e3942363ed5de56570555a0f6351 Mon Sep 17 00:00:00 2001
From: fruchti <fruchti@gvfr.de>
Date: Sat, 18 Jul 2020 00:21:11 +0200
Subject: [PATCH] Tune light sensor parameters

---
 build-number.txt   |  2 +-
 src/light_sensor.h | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/build-number.txt b/build-number.txt
index 5e4a522..e828e5d 100644
--- a/build-number.txt
+++ b/build-number.txt
@@ -1 +1 @@
-425
+434
diff --git a/src/light_sensor.h b/src/light_sensor.h
index 1315b28..2331eae 100644
--- a/src/light_sensor.h
+++ b/src/light_sensor.h
@@ -6,23 +6,23 @@
 #include "pinning.h"
 
 // ADC polling interval in milliseconds
-#define LIGHTSENSOR_INTERVAL    250
+#define LIGHTSENSOR_INTERVAL    500
 
 // Resolution of the brightness output
 #define LIGHTSENSOR_BITS        12
 #define LIGHTSENSOR_MAX         (1 << LIGHTSENSOR_BITS)
 
 // 'Forgetting factor' of the rolling brightness average
-#define LIGHTSENSOR_LAMBDA_BITS 4
+#define LIGHTSENSOR_LAMBDA_BITS 2
 
 // Time until minimum and maximum value are completely reset (in seconds)
 #define LIGHTSENSOR_LIMIT_RESET_TIME \
-                                (24 * 60 * 60)
+                                (48 * 60 * 60)
 
 // Bounds for converting absolute to relative brightness: Consider everything
 // near the minimum or maximum 0.0 or 1.0, respectively
-#define LIGHTSENSOR_LOW_BOUND   ((unsigned int)(0.005 * LIGHTSENSOR_MAX))
-#define LIGHTSENSOR_HIGH_BOUND  ((unsigned int)(0.9 * LIGHTSENSOR_MAX))
+#define LIGHTSENSOR_LOW_BOUND   ((unsigned int)(0.013 * LIGHTSENSOR_MAX))
+#define LIGHTSENSOR_HIGH_BOUND  ((unsigned int)(1.0 * LIGHTSENSOR_MAX))
 
 extern int LightSensor_RelativeBrightness;