#define TSOP_OPP_TIME_SHORT_US (1.5 * TSOP_OPP_N_PERIODS * TSOP_OPP_PERIOD_US)
#define TSOP_OPP_TIME_LONG_US (2.5 * TSOP_OPP_N_PERIODS * TSOP_OPP_PERIOD_US)
#define TSOP_OPP_TIME_SHORT_US (1.5 * TSOP_OPP_N_PERIODS * TSOP_OPP_PERIOD_US)
#define TSOP_OPP_TIME_LONG_US (2.5 * TSOP_OPP_N_PERIODS * TSOP_OPP_PERIOD_US)