PCF85063_OFFSET_STEP0
*offset = val * PCF85063_OFFSET_STEP0;
if (offset > PCF85063_OFFSET_STEP0 * 63)
if (offset < PCF85063_OFFSET_STEP0 * -64)
mode0 = DIV_ROUND_CLOSEST(offset, PCF85063_OFFSET_STEP0);
error0 = abs(offset - (mode0 * PCF85063_OFFSET_STEP0));