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GAP_SetParamValue( TGAP_LIM_ADV_TIMEOUT, 5 ); //广播持续时间 5s
// What is the advertising interval when device is discoverable (units of 625us, 160=100ms)
#define DEFAULT_ADVERTISING_INTERVAL 800
uint16 advInt = DEFAULT_ADVERTISING_INTERVAL; //广播的间隔时间
GAP_SetParamValue( TGAP_LIM_DISC_ADV_INT_MIN, advInt );
GAP_SetParamValue( TGAP_LIM_DISC_ADV_INT_MAX, advInt );
GAP_SetParamValue( TGAP_GEN_DISC_ADV_INT_MIN, advInt );
GAP_SetParamValue( TGAP_GEN_DISC_ADV_INT_MAX, advInt );
GAPRole_SetParameter( GAPROLE_ADVERT_ENABLED, sizeof( uint8 ), &initial_advertising_enable ); //启动广播
上面是几个广播的参数，其中
#define TGAP_LIM_ADV_TIMEOUT 1 //!< Maximum time to remain advertising, when in Limited Discoverable mode. In seconds (default 180 seconds) 可设置广播时间，默认180s，该定义可在Gap.h中找到
