Merge pull request 'MGM: small tweak, gain factor was always them same' (#724) from eive/fsfw:mgm_handler_small_fix into development

Reviewed-on: fsfw/fsfw#724

CHANGELOG.md

@@ -12,6 +12,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Fixes
 
+- HAL MGM3100 Handler: Use axis specific gain/scaling factors. Previously,
+  only the X scaling factor was used.
+  PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/724
 - DHB `setNormalDatapoolEntriesInvalid`: The default implementation did not set the validity
   to false correctly because the `read` and `write` calls were missing.
 - PUS TMTC creator module: Sequence flags were set to continuation segment (0b00) instead

src/fsfw_hal/devicehandlers/MgmRM3100Handler.cpp

@@ -329,8 +329,8 @@ ReturnValue_t MgmRM3100Handler::handleDataReadout(const uint8_t *packet) {
 
   // Now scale to physical value in microtesla
   float fieldStrengthX = fieldStrengthRawX * scaleFactorX;
-  float fieldStrengthY = fieldStrengthRawY * scaleFactorX;
-  float fieldStrengthZ = fieldStrengthRawZ * scaleFactorX;
+  float fieldStrengthY = fieldStrengthRawY * scaleFactorY;
+  float fieldStrengthZ = fieldStrengthRawZ * scaleFactorZ;
 
   if (periodicPrintout) {
     if (debugDivider.checkAndIncrement()) {