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Recent content by pallavibsh

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    sim900a AT-commands facing problem

    Hi all, Am facing a problem with AT-commands ----sim900a gsm module. AT+SAPBR=1,1 must get OK response but am getting ERROR ,if i reboot the device twice or thrice then the same code gives AT+SAPBR =1,1 as OK response..why is this behavior. Secondly AT+FTPGET=1 after this command we must...
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    sim900 at+ftpget=2,2000 error

    Hi all, am facing problem with sim900 at+ftpget command if am requesting for 2000bytes. AT+FTPGET=2,2000 ERROR
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    atmega64a bootloading

    [ void erase_flash(void) { int i = 0; int page = 0; cli(); for(i=0; i < MAX_PAGES; page += 256, i++) { boot_page_erase(page); /** 1 flash page of Atmega64A = 256 bytes **/ boot_spm_busy_wait(); /** Wait...
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    upgrading a FIRMWARE on Atmega64a microcontroller.

    Hi all, Coming to the topic am doing a project same as yours upgrading a FIRMWARE on Atmega64a microcontroller. 1. Am using a gsm SIM900 using AT-commands i.e AT+FTP commands will receive file through server. 2. And i have written a code testing for a condition if data received (updated new...
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    atmega64 --section-start problem

    Hi all, am trying to section the flash memory but am not getting the exact syntax to do it so. Fusebits : BOOTRST is set BOOTSZ=0,0 i have included in code: __attribute__ ((section (".bootloader"))) void boot(void) __attribute__ ((section (".bootloader"))); in linker i.e in Makefile ...
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    atmega64 bootloader problem

    Hi all, Am doing an project for Atmega64 bootloader. am stuck with pointing a address to a bootloader section in linker i.e in Makefile : -Wl,--section-start=.bootloader=0x7c00 //(for 1024 words) THANKS IN ADVANCE.
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    sim900 - AT+SAPBR - cid value

    hi all, am also facing same problem :( can anyone pls tel wat should be the value of ConParamValue in at+sapbr command thanks in advance :)
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    at+cgact command not working in SIM900

    hi all i have been working on at commands trying to send a file from FTP server via SIM900 i have checked and activated all gprs AT commands but not able to activate AT+SAPBR and even the at+cgact=? is giving error can anyone pls help. at+cgatt=1 OK at+cdgcont=1,"IP","ideagprs.com" OK...
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    atmega64a bootloading

    hi all am doing a bootloading for atmega64a my doubt is when we enable SPMIE than code enters into bootloader section later a file is downloaded than will the code run by itself in BLS or i need to write a separate bootloader program to erase chip and than boot_write with updated code. ex...
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    pic microcontroller programming wirelessly

    Hi all i want to bootload pic microcontroller i.e i wan to upload a program via internet whenever i do changes in my code can any one help me out this
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    SIM900a version problem in uploading .hex file via gsm--I want to upload my hex file

    Hi alllll I want to upload my hex file from system/pc via gsm can any one help me out in this plssssssss am using atmega64a and sim900 gsm module pls help Thanks, pallavi
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