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You are here: Home / Topics / command line

command line

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Microcontroller › AVR › command line

  • This topic has 1 reply, 2 voices, and was last updated 8 years, 4 months ago by GANEEV SINGH.
Viewing 2 posts - 1 through 2 (of 2 total)
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    Posts
  • February 11, 2011 at 6:31 am #729
    Anurag Agrawal
    Participant

    hello sir

    i m interfacing gsm modem to my microcontroller.i need to send sms through it. i am using AT commands for that.the command to send sms (AT+ CMGS) terminates with ctrl-Z.now in my program i hav tried all ways to send ctrl-Z at end of my sms.but it takes this as a character or string only.also i tried with ascii value of ctrl-Z but
    of no use.
    i am able to see the transmitted commands on hyper-terminal through serial interface & also on serail window while debugging. the commands are as follows with 2ms delay between each of them. 
    AT ,, AT+CMGS = mobile no. , “message to be sent ” ctrl-Z
    please help me

    January 23, 2017 at 6:46 am #14357
    GANEEV SINGH
    Participant

    Hi Anurag

    Have you tried sending "rn", it is nothing but a Ctrl-Z command. Also you have to wait for the ">" response from module; message should be sent after receiving this. An "OK" repsonse, at the end, will assure a successful delivery.

     

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