diff --git a/components/step_motor_ctrl_module/step_motor_ctrl_module.cpp b/components/step_motor_ctrl_module/step_motor_ctrl_module.cpp
index 802cde9..6b57c71 100644
--- a/components/step_motor_ctrl_module/step_motor_ctrl_module.cpp
+++ b/components/step_motor_ctrl_module/step_motor_ctrl_module.cpp
@@ -210,6 +210,13 @@ int32_t StepMotorCtrlModule::step_motor_read_tmc2160_state(int32_t* status) {
   return 0;
 };
 
+int32_t StepMotorCtrlModule::step_motor_read_io_index_in_stm32(int32_t ioindex, int32_t* index_in_stm32) {
+  if (ioindex < 0 || ioindex >= m_nio) {
+    return err::kstep_motor_ioindex_out_of_range;
+  }
+  return 0;
+}
+
 /***********************************************************************************************************************
  *                                                        INTER                                                        *
  ***********************************************************************************************************************/
diff --git a/components/step_motor_ctrl_module/step_motor_ctrl_module.hpp b/components/step_motor_ctrl_module/step_motor_ctrl_module.hpp
index 01d059f..7da3094 100644
--- a/components/step_motor_ctrl_module/step_motor_ctrl_module.hpp
+++ b/components/step_motor_ctrl_module/step_motor_ctrl_module.hpp
@@ -93,6 +93,8 @@ class StepMotorCtrlModule : public ZIModule, public ZIStepMotor {
   virtual int32_t step_motor_read_tmc2160_status(int32_t* status) override;
   virtual int32_t step_motor_read_tmc2160_state(int32_t* status) override;
 
+  virtual int32_t step_motor_read_io_index_in_stm32(int32_t ioindex, int32_t* index_in_stm32) override;
+
  public:
   IStepperMotor* getMotor() { return m_stepM1; }
   config_t*      getCfg() { return &m_cfg; }