From 357e6222b748c12391a0dd992480da4ba4485f22 Mon Sep 17 00:00:00 2001 From: destradaa Date: Tue, 14 Apr 2015 16:30:21 -0700 Subject: [PATCH] Complete updates to gps.h to enhance the definition of GPS Measurements interface. b/19938206 Change-Id: I9dc863e9333507d5603eee3951b0a2b7c8c2b299 --- include/hardware/gps.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/include/hardware/gps.h b/include/hardware/gps.h index 937436b..75453ce 100644 --- a/include/hardware/gps.h +++ b/include/hardware/gps.h @@ -1443,8 +1443,8 @@ typedef struct { /** * Pseudorange rate at the timestamp in m/s. - * The effects of the receiver clock frequency and satellite clock frequency errors, are known - * as the correction of a given Pseudorange rate value. + * The correction of a given Pseudorange Rate value includes corrections for receiver and + * satellite clock frequency errors. * * If GPS_MEASUREMENT_HAS_UNCORRECTED_PSEUDORANGE_RATE is set in 'flags' field, this field must * be populated with the 'uncorrected' reading. @@ -1457,9 +1457,9 @@ typedef struct { * The value includes the 'pseudorange rate uncertainty' in it. * A positive 'uncorrected' value indicates that the SV is moving away from the receiver. * - * The sign of the 'uncorrected' 'pseudorange rate' and its correlation to the sign of 'doppler + * The sign of the 'uncorrected' 'pseudorange rate' and its relation to the sign of 'doppler * shift' is given by the equation: - * pseudorange rate = -k * doppler shift + * pseudorange rate = -k * doppler shift (where k is a constant) * * This is a Mandatory value. */ @@ -1483,11 +1483,11 @@ typedef struct { /** * Accumulated delta range since the last channel reset in meters. - * A positive value indicates that the SV is moving away fro the receiver. + * A positive value indicates that the SV is moving away from the receiver. * - * The sign of the 'accumulated delta range' and its correlation to the sign of 'carrier phase' + * The sign of the 'accumulated delta range' and its relation to the sign of 'carrier phase' * is given by the equation: - * accumulated delta range = -k * carrier phase + * accumulated delta range = -k * carrier phase (where k is a constant) * * This value must be populated if 'accumulated delta range state' != GPS_ADR_STATE_UNKNOWN. * However, it is expected that the data is only accurate when: -- 2.11.0