Function step_current_down

Marlin/src/feature/tmc_util.cpp:329–340

    template<typename TMC>
    void step_current_down(TMC &st) {
      if (st.isEnabled()) {
        const uint16_t I_rms = st.getMilliamps() - (CURRENT_STEP_DOWN);
        if (I_rms > 50) {
          st.rms_current(I_rms);
          #if ENABLED(REPORT_CURRENT_CHANGE)
            st.printLabel();
            SERIAL_ECHOLNPGM(" current decreased to ", I_rms);
          #endif
        }
      }
    }

  #else