C-GPS Library 3.10 Release note

Mar 17, 2010 - Author: Sierra Wireless - Version 3.10 - 4210 Views
Last Update: March 17th, 2010
1. NEW FEATURES.
2. SOFTWARE RELEASE DESCRIPTION.

2.1. Software Identification.
2.2. Compatibility.

3. KNOWN RESTRICTIONS.
4. INTERFACE MODIFICATIONS.
5. CORRECTIONS & IMPROVEMENTS.
6. MEMORY REQUIREMENTS.



1. New Features.

This section lists the features added since C-GPS plug-in 3.08.

New eRide's GM-8461 Opus III miniRide module support: All samples support the newly released eRide's GM-8461 Opus III miniRide module.

2. Software Release Description.

2.1 Software Identification

Software Identification

C-GPS Package

3.10.2003

C-GPS Core Library

3.0.3.20.28

Reported eRide SW version

AT+ERSWV?

+ERSWV:

OPUSIIIWAVECOM_GCC,ENP320Z-R1004802_12808507_000,1

2.2 Compatibility

Air Prime™ Intelligent Embedded Module compatibility list

WMP1xx / Q2686/87 / Q26 Extreme

GPS hardware compatibility list

eRide’s Opus III Chipset (eRide ePV3600B-AAI – BB - & ePR3036Q – RF -)

eRide’s nanoRide module

AT&S ATS3625 module

eRide's GM-8461 Opus III miniRide module

OS and other Plug-Ins compatibility

C-GPS Core Library

Open AT® OS 6.30, 6.31, 6.32

Simple Sample, QueryApp

Open AT® OS 6.30, 6.31, 6.32

QueryAppAiding

Open AT® OS 6.30, 6.31, 6.32 and associated WIP Plug-In

Tools compatibility list

Wavecom IDE v1.x

Developer Studio 1.x

GCC and ADS generation tools chain

3. Known restrictions

Id

Description (What / When)

Impacted Domain

Impacted

Sub Domain

Known since…

48333

Reset occurs when a Circuit Switch Data Call is done if NMEA frames are enabled on debug UART

Samples

GPS

3.04

48345

When Simple Sample application is running, if AT+CMGS command is sent then WCPU is blocked in SMS edit mode. No problem on QueryApp.

Samples

GPS

3.04

51371

Can't make an RTE build (Real Time Environment for debug).

-

Debug

3.04

56585

Occasional First Fix position outliers greater than 100 meters on “Cold” and “Factory Cold” starts. Occurrence is ~ 1 out of 1000 starts.

Library

GPS

3.04

4. Interface modifications

This section lists the C-GPS Library interfaces changes since C-GPS 3.08 Library.

Backward Compatib.

Change

Comments

Yes

New erEtPositionInputStruct structure

ADDED

Yes

void erSetDynMode(signed char mode);

void erSetPrevRun(unsigned char *prevrun);

void erSetPrevRunDefaults(const unsigned char *prevrun);

void erSetPosition(erPositionInputStruct *posPtr);

void erSetEtPosition(erEtPositionInputStruct *posPtr, BOO posValid, S32 timeToProp)

DEPRECATED & STUBBED: These functions have been deprecated and stubbed. They may be called, but does not execute any code

No

LTSM feature has been removed from library. In particular erSetLtsmConfig()

REMOVED, was already DEPRECATED on previous release.

5. Corrections & Improvements

This section lists the corrections and improvements since C-GPS 3.08.

Id

Description (What / When)

Impacted Domain

Impacted Sub Domain

Fixed in

55235

C-GPS samples not working when used on Q26 Extreme Dev Kit when using UART2 to connect to GPS. This is due to GPIO01 state (high) after reset. Application must initialize GPIO01 to low level at startup (using adl_ioSubscribe, or using AT+WIOM=1,”GPIO01”,1,0 command)

Samples

GPS

3.10

56333

C-GPS QueryAppAiding sample is not functional with Q26Ext module. The CCED command answer is not correctly process by the sample.

Samples

A-GPS

3.10

56584

There may be a shift in the UTC time between the GPZDA sentence and the GPRMC and GPGGA sentences in the NMEA outputs. This may occur during extended runs (more than 12 hours).

Library

NMEA frames

3.10

53312

In the NMEA sentence “$GPZDA”, the date field that indicates calendar date is occasionally wrong for one epoch.
- Incorrect sentence (3rd sentence) looks like this ( note date 15,02,2009 is incorrect):
$GPZDA,022540.963,22,02,2009,,*52
$GPZDA,022541.963,22,02,2009,,*53
$GPZDA,022542.963,15,02,2009,,*54
$GPZDA,022543.963,22,02,2009,,*51
$GPZDA,022544.963,22,02,2009,,*56

Library

NMEA frames

3.10

6. Memory requirements

The C-GPS Plug-In memory footprint depends on the tool chain used:

Tool chain

C-GPS

Library only

QueryApp

Open AT® Application

GCC

ROM

370 kBytes

466 kBytes

RAM (Static)

70 kBytes

92 kBytes

ADS

ROM

303 kBytes

370 kBytes

RAM (Static)

70 kBytes

90 kBytes

NB: For Memory footprint: The ADL library RAM and ROM sizes should be added to the C-GPS Plug-In sizes to estimate the global RAM and ROM footprint.

NB: When using GCC sample with a 32Mb Flash size, platform must be configured with “AT+WOPEN=6,640” to allow enough room for the sample image for the download. Otherwise the platform does endless resets, repeatedly issuing “Fault 0400000000 !” after download.

Documentation

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