Sony Ericsson RC function Application Note Download Page 7

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Remote script download using RC intrinsic function

LZT 123 7799 R1B

3 Functional Description of the Embedded Application

3.1 Flow chart of remote control application

Script download occurs between, check call status steps.

Execute My Script

Main

Update
required

Setup data

Check call status

Call

Active

Check call status

Call

Online

Restart Modem

Call

Active

Summary of Contents for RC function

Page 1: ...Application Note Use of the RC function for remote script download...

Page 2: ...Mobile Communications reserves the right to make modifications additions and deletions to this manual due to typographical errors inaccurate information or improvements to programs and or equipment a...

Page 3: ...ION 4 2 OVERVIEW 5 2 1 GENERAL 5 2 2 CONTROL PC SETUP 5 2 3 REMOTE GR47 SETUP 6 2 4 SECURITY ASPECTS 6 2 4 1 SMS 6 2 4 2 CLIP 6 3 FUNCTIONAL DESCRIPTION OF THE EMBEDDED APPLICATION 7 3 1 FLOW CHART OF...

Page 4: ...embedded within the device can be updated either through a serial interface on UART1 or where this is not feasible due to location remotely using the air interface The script resident in the device mu...

Page 5: ...script is not lost and can be activated again if the new script is not functioning as expected Note It is very important that the new script to be downloaded using the remote download facility has be...

Page 6: ...ven to ensuring that no unauthorized entity can dial into the module and perform an unauthorised download Two methods are described below which are easy to implement and secure in their operation 2 4...

Page 7: ...l Description of the Embedded Application 3 1 Flow chart of remote control application Script download occurs between check call status steps Execute My Script Main Update required Setup data Check ca...

Page 8: ...commands instance 0 can only be used for at commands In this example the channel status is being tested by waiting for data carrier detect DCD to be asserted this is tested with a value which is incr...

Page 9: ...ple shows how simple Over the Air Download can work using the RC function int Rslt RemoteMode int st 0 int first int num int cnt st 0 cnt 0 chcrt 1 prtf nRemote Mode n auto answer on data channel chw...

Page 10: ...d reset the module prtf disable rc n rc 0 rst 0 ExecuteMyScript return 0 main int chlerr char chlsts int APPS_NETWORK_STATUSBYTE 10 int AT_NET_REGISTERED 1 prs 0 prtf r n Waiting for Network registrat...

Page 11: ...Remote script download using RC intrinsic function LZT 123 7799 R1B 11 prtf r nFAILED RemoteMode prtf r n nScript Complete...