From d35e7c34eb970084bad1d6f42a8cf31fbaeca35f Mon Sep 17 00:00:00 2001 From: Madhanraj Chelladurai Date: Mon, 19 Dec 2016 11:23:28 +0530 Subject: Add comments for automitive configuration param and meas status Add comments for automotive configuration parameters and to masurement status mask Change-Id: Ia5e16e3044fa15ce15d6ce3c3534898cbd61ef03 CRs-Fixed: 1102724 --- etc/gps.conf | 44 ++++++++++++++++++++++++++++++++------------ 1 file changed, 32 insertions(+), 12 deletions(-) (limited to 'etc') diff --git a/etc/gps.conf b/etc/gps.conf index 4b48558..cc66792 100644 --- a/etc/gps.conf +++ b/etc/gps.conf @@ -138,43 +138,63 @@ LPPE_UP_TECHNOLOGY = 0 # 0: disable # 1: enable AGPS_CONFIG_INJECT = 1 + +################################################## +# GNSS settings for automotive use cases +# Configurations in following section are +# specific to automotive use cases, others +# please do not change, keep the default values +################################################## + # AP Coarse Timestamp Uncertainty ################################################## # default : 10 -# or as per clock uncertainty of product +# AP time stamp uncertainty, until GNSS receiver +# is able to acquire better timing information AP_TIMESTAMP_UNCERTAINTY = 10 -##################################### -# GNSS PPS settings -##################################### -#AP DR engine availability status -# 0 : NO AP DR (default) -# 1 : AP DR enabled +################################################## +# QDR engine availability status +################################################## +# 0 : NO QDR (default) +# 1 : QDR enabled +# This settings enables QDR Configuration for +# automotive use case, if enabled then +# DR_AP_Service needs to be enabled in izat.conf #EXTERNAL_DR_ENABLED = 0 ##################################### -#DR_SYNC Pulse Availability +# DR_SYNC Pulse Availability ##################################### # 0 : DR_SYNC pulse not available (default) # 1 : DR_SYNC pulse available +# This configuration enables the driver to make use +# of PPS events generated by DR_SYNC pulse +# Standard Linux PPS driver needs to be enabled DR_SYNC_ENABLED = 0 ##################################### -#PPS Device name +# PPS Device name ##################################### PPS_DEVICENAME = /dev/pps0 ##################################### -#AP Clock Accuracy +# AP Clock Accuracy ##################################### +# Quality of APPS processor clock (in PPM). +# Value specified is used for calculation of +# APPS time stamp uncertainty AP_CLOCK_PPM = 100 ##################################### -#MAX ms difference to detect missing pulse +# MAX ms difference to detect missing pulse ##################################### +# Specifies time threshold in ms to validate any missing PPS pulses MISSING_PULSE_TIME_DELTA = 900 ##################################### -#Propagation time uncertainty +# Propagation time uncertainty ##################################### +# This settings enables time uncertainty propagation +# logic incase of missing PPS pulse PROPAGATION_TIME_UNCERTAINTY = 1 -- cgit v1.2.3