Change current sensor offset voltage unit to 0.1mV

iNavFlight · Mar 19, 2018 · b75a604 · b75a604
1 parent cea7ef0
commit b75a604
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/src/main/fc/settings.yaml b/src/main/fc/settings.yaml
@@ -528,8 +528,8 @@ groups:
         max: 10000
       - name: current_meter_offset
         field: current.offset
-        min: -3300
-        max: 3300
+        min: -32768
+        max: 32767
       - name: current_meter_type
         field: current.type
         table: current_sensor

diff --git a/src/main/sensors/battery.c b/src/main/sensors/battery.c
@@ -108,8 +108,8 @@ uint16_t batteryAdcToVoltage(uint16_t src)
 
 int32_t currentSensorToCentiamps(uint16_t src)
 {
-    int32_t millivolts = ((uint32_t)src * ADCVREF) / 0xFFF - batteryConfig()->current.offset;
-    return millivolts * 1000 / batteryConfig()->current.scale; // current in 0.01A steps
+    int32_t microvolts = ((uint32_t)src * ADCVREF * 1000) / 0xFFF - (int32_t)batteryConfig()->current.offset * 100;
+    return microvolts / batteryConfig()->current.scale; // current in 0.01A steps
 }
 
 void batteryInit(void)