Specifications

INTRODUCTION

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17 HSPA+ATCommandsReferenceGuide

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 Theresponsetothetestcommand(trailing=?)maychangeinthefuturetoallowthedescriptionofnew

valuesandfunctions.

Note:Issuingthereadcommand(trailing?)causesthecommandtobeexecuted.

 Whetherornottheequipmentimplementstheactioncommand(inthiscaseissuingthecor

responding

testcommand‐trailing=?‐returnstheOKresultcode),and,ifsubparametersareassociatedwiththe

action,therangesofsubparametersvaluesthataresupported.

Actioncommandsdonotstorethevaluesofanyoftheirpossiblesubparameters.Moreover:

Ifallthesubparametersofaparametertypecommand+CMD(or#CMDor$CMD)areoptional,issuingAT+CMD=<CR>(or

AT#CMD=<CR>orAT$CMD=<CR>)causestheOKresultcodetobereturnedandthepreviousvaluesoftheomitted

subparameterstoberetained.

StringTypeParameters 

Astring,enclosedbetweenquotesornot,isavalidstringtypeparameterinput.AccordingtoV.25terspace

charactersareignoredonthecommandlineand maybeusedfreelyforformattingpurposes,unlesstheyare

embeddedinnumericorquotedstringconstants.Thereforeastringcontainingaspacecharacterhastobe

enclosedbetweenquotestobeconside

redavalidstringtypeparameter.ForexampletypingAT+COPS=1,0,"A1"is

thesameastypingAT+COPS=1,0,A1;typingAT+COPS=1,0,"ABB"isdifferentfromtypingAT+COPS=1,0,ABB.

Astringisalwayscasesensitive.

Somecommandsrequireyoutoalwaysplacetheinputstringparameterswithinquotes.Whe

nthisisrequired,the

commanddescriptionsexplicitlytellyouso.

CommandLines

Acommandlineismadeupofthreeelements:theprefix,thebodyandtheterminationcharacter.

Thecommandlineprefixconsistsofthecharacters“AT”or“at”.Torepeattheexecutionoftheprevious

commandline,usethecharacters“A/”or“a/”orAT#/orat#/.

UsingparameterS3,youcanselectthetermina

tioncharacter.Thedefaultis<C R>.

Thestructuresofthecommandlineare:

 ATCMD1<CR>whereATisthecommandlineprefix,CMD1isthebodyofabasiccommandand<CR>isthe

commandlineterminatorcharacter.

Thenameofthecommandneverbeginswiththecharacter“+”

 ATCMD2=10<CR>where10isasubparameter.

 AT+CMD1;+CMD2=,,10<CR>Thesearetwoexamples ofextendedcommandsTheyaredelimitedwith

semicolon.Inthesecondcommandthesubparameterisomitted.

Thenameofthecommandalwaysbeginswiththecharacter“+”.

 +CMD1?<CR>Thisis areadcommandforcheckingcurrentsubparametervalues.

 +CMD1=?<CR>Thisisatestcom

mandforcheckingpossiblesubparametervalues.

Thesecommandsmightbeperformedinasinglecommand lineasshownbelow:

ATCMD1CMD2=10+CMD1;+CMD2=,,10;+CMD1?;+CMD1=?<CR>

 Itisrecommendedtoseparatethebasiccommandsandtheextendedcommandsintodifferentcommandlines.