OFFSET_STEP_PPT
*offset = DIV_ROUND_CLOSEST(steps * OFFSET_STEP_PPT, 1000);
offset = DIV_ROUND_CLOSEST(offset, OFFSET_STEP_PPT);
*offset = DIV_ROUND_CLOSEST(steps * OFFSET_STEP_PPT, 1000);
offset = DIV_ROUND_CLOSEST(offset, OFFSET_STEP_PPT);