Fix light sensor underflow

2020-07-16 23:19:28 +02:00 · 2020-07-16 23:19:28 +02:00 · ee5a5b9f6c
parent 5a45524af3
commit ee5a5b9f6c
2 changed files with 2 additions and 2 deletions
--- a/build-number.txt
+++ b/build-number.txt
@ -1 +1 @@
-373
+375
--- a/src/light_sensor.c
+++ b/src/light_sensor.c
@ -89,7 +89,7 @@ void LightSensor_Poll(void)
            + LIGHTSENSOR_LOW_BOUND * range / LIGHTSENSOR_MAX;
        int high = LightSensor_MinimumBrightness
            + LIGHTSENSOR_HIGH_BOUND * range / LIGHTSENSOR_MAX;
-        LightSensor_RelativeBrightness = (LightSensor_AbsoluteBrightness - low)
+        LightSensor_RelativeBrightness = ((int)LightSensor_AbsoluteBrightness - low)
            * LIGHTSENSOR_MAX / (high - low);
        if(LightSensor_RelativeBrightness < 0)
        {