diff options
Diffstat (limited to 'host/include')
| -rw-r--r-- | host/include/uhd/usrp/mboard_props.hpp | 2 | ||||
| -rw-r--r-- | host/include/uhd/usrp/multi_usrp.hpp | 17 | ||||
| -rw-r--r-- | host/include/uhd/usrp/single_usrp.hpp | 8 |
3 files changed, 19 insertions, 8 deletions
diff --git a/host/include/uhd/usrp/mboard_props.hpp b/host/include/uhd/usrp/mboard_props.hpp index df94d1678..c82bfc21a 100644 --- a/host/include/uhd/usrp/mboard_props.hpp +++ b/host/include/uhd/usrp/mboard_props.hpp @@ -43,7 +43,7 @@ namespace uhd{ namespace usrp{ MBOARD_PROP_TX_SUBDEV_SPEC = 'R', //rw, subdev_spec_t MBOARD_PROP_CLOCK_CONFIG = 'C', //rw, clock_config_t MBOARD_PROP_TIME_NOW = 't', //rw, time_spec_t - MBOARD_PROP_TIME_NEXT_PPS = 'T', //wo, time_spec_t + MBOARD_PROP_TIME_PPS = 'T', //wo, time_spec_t MBOARD_PROP_STREAM_CMD = 's', //wo, stream_cmd_t MBOARD_PROP_EEPROM_MAP = 'M' //wr, mboard_eeprom_t::sptr }; diff --git a/host/include/uhd/usrp/multi_usrp.hpp b/host/include/uhd/usrp/multi_usrp.hpp index 98ba07fc0..ce99d713e 100644 --- a/host/include/uhd/usrp/multi_usrp.hpp +++ b/host/include/uhd/usrp/multi_usrp.hpp @@ -108,12 +108,18 @@ public: virtual std::string get_mboard_name(size_t mboard) = 0; /*! - * Gets the current time in the usrp time registers. + * Get the current time in the usrp time registers. * \return a timespec representing current usrp time */ virtual time_spec_t get_time_now(void) = 0; /*! + * Get the time when the last pps pulse occured. + * \return a timespec representing the last pps + */ + virtual time_spec_t get_time_last_pps(void) = 0; + + /*! * Set the time registers on the usrp at the next pps tick. * The values will not be latched in until the pulse occurs. * It is recommended that the user sleep(1) after calling to ensure @@ -133,14 +139,13 @@ public: * Ex: Host machine is not attached to serial port of GPSDO * and can therefore not query the GPSDO for the PPS edge. * - * This is a 3-step process, and will take at most 3 seconds to complete. + * This is a 2-step process, and will take at most 2 seconds to complete. * Upon completion, the times will be synchronized to the time provided. * - * - Step1: set the time at the next pps (potential race condition) - * - Step2: wait for the seconds to rollover to catch the pps edge - * - Step3: set the time at the next pps (synchronous for all boards) + * - Step1: wait for the last pps time to transition to catch the edge + * - Step2: set the time at the next pps (synchronous for all boards) * - * \param time_spec the time to latch into the usrp device + * \param time_spec the time to latch at the next pps after catching the edge */ virtual void set_time_unknown_pps(const time_spec_t &time_spec) = 0; diff --git a/host/include/uhd/usrp/single_usrp.hpp b/host/include/uhd/usrp/single_usrp.hpp index 26303fe10..bfbb90912 100644 --- a/host/include/uhd/usrp/single_usrp.hpp +++ b/host/include/uhd/usrp/single_usrp.hpp @@ -77,12 +77,18 @@ public: virtual std::string get_mboard_name(void) = 0; /*! - * Gets the current time in the usrp time registers. + * Get the current time in the usrp time registers. * \return a timespec representing current usrp time */ virtual time_spec_t get_time_now(void) = 0; /*! + * Get the time when the last pps pulse occured. + * \return a timespec representing the last pps + */ + virtual time_spec_t get_time_last_pps(void) = 0; + + /*! * Sets the time registers on the usrp immediately. * \param time_spec the time to latch into the usrp device */ |