diff --git a/src/fsfw_hal/devicehandlers/devicedefinitions/mgmRm3100Helpers.h b/src/fsfw_hal/devicehandlers/devicedefinitions/mgmRm3100Helpers.h
index 680bd13d..bb2a9bf1 100644
--- a/src/fsfw_hal/devicehandlers/devicedefinitions/mgmRm3100Helpers.h
+++ b/src/fsfw_hal/devicehandlers/devicedefinitions/mgmRm3100Helpers.h
@@ -28,6 +28,8 @@ static constexpr uint8_t CMM_REGISTER = 0x01;
 static constexpr uint8_t CMM_VALUE =
     SET_CMM_CMZ | SET_CMM_CMY | SET_CMM_CMX | SET_CMM_DRDM | SET_CMM_START;
 
+static constexpr uint8_t DISABLE_CMM_MODE = 0;    
+
 /*----------------------------------------------------------------------------*/
 /* Cycle count register */
 /*----------------------------------------------------------------------------*/
@@ -53,6 +55,9 @@ static constexpr uint8_t DATA_READY_VAL = 0b10000000;
 static constexpr uint8_t STATUS_REGISTER = 0x34;
 static constexpr uint8_t REVID_REGISTER = 0x36;
 
+static constexpr uint8_t POLL_REGISTER = 0;
+static constexpr uint8_t POLL_ALL_AXES = 0x70;
+
 // Range in Microtesla. 1 T equals 10000 Gauss (for comparison with LIS3 MGM)
 static constexpr uint16_t RANGE = 800;
 
@@ -101,8 +106,16 @@ class CycleCountCommand : public SerialLinkedListAdapter<SerializeIF> {
 
 static constexpr uint32_t MGM_DATASET_ID = READ_DATA;
 
+
+static constexpr uint8_t startSMM = 0;
+static constexpr uint8_t readSMM = 1;
+static constexpr uint8_t readCMM = 2;
+
+
 enum MgmPoolIds : lp_id_t { FIELD_STRENGTHS };
 
+enum MeasurementMode : uint8_t { SINGLE_MEASUREMENT_MODE , CONTINUOUS_MEASUREMENT_MODE};
+
 class Rm3100PrimaryDataset : public StaticLocalDataSet<3> {
  public:
   Rm3100PrimaryDataset(HasLocalDataPoolIF* hkOwner) : StaticLocalDataSet(hkOwner, MGM_DATASET_ID) {}