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  1. P

    PIC18F4550 Serial Programming issue

    Ok..thanks yes i'll remember the '\r' in the end...its essential And In case if i have any other issues....i will gently bother you once again...:-)
  2. P

    PIC18F4550 Serial Programming issue

    Ok.... char[0] ='A' char[1] ='T' char[2] ='+' char[3] ='C' char[4] ='M' char[5] ='G' char[6] ='S' char[7] ='=' char[8] ='"' char[9] =''"' char[10] ='+' char[11] ='8' char[12] ='1' char[13] ='8' char[14] ='9' char[15] ='3' char[16] ='3' char[17] ='0' char[18] ='2' char[19]...
  3. P

    PIC18F4550 Serial Programming issue

    Yes you are correct because i need '\r' at last... also my code is waiting for the null character 0x00 but as per the ascii table 0x00 in hex = 0 now what happens if i recieve 0 in the data that has to be transfferd to gsm... How will the code be able to distinguish the difference...
  4. P

    PIC18F4550 Serial Programming issue

    ok got it... so for sending all these zero characters along with others, shall i use '\0' or 0x00...??
  5. P

    PIC18F4550 Serial Programming issue

    I am working on the code....:) In meanwhile one more thing i am having 0 at my RX and want it to send to TX as you mentioned if(RCREG == 0x00) { sendsms(data); // the contents of data is what has been recieved and is your new message. j = 0; //reset the index. . } now my issue is....Is this...
  6. P

    PIC18F4550 Serial Programming issue

    Hii once again... #include <REGX51.H> #include <AT89X51.H> unsigned char *command_AT = "AT\r"; unsigned char *command_CMGF = "AT+CMGF=1\r"; unsigned char *command_CMGS = "AT+CMGS=\"+8189XXXXX\"\r"; unsigned char *message = "Move"; unsigned char CTRLZ = 0x1A; void...
  7. P

    PIC18F4550 Serial Programming issue

    Thanks again.... I'll keep in mind the following points...
  8. P

    PIC18F4550 Serial Programming issue

    One more thing i would like to ask i am having a parallel universal usb programmer... would it work for the serial programming as well or do i have to purchase a new serial programmer...?? Thanks in advance..
  9. P

    PIC18F4550 Serial Programming issue

    Thanks a ton for help... I'll go through this site...
  10. P

    PIC18F4550 Serial Programming issue

    Thanks a ton....for such a nice code. I have got the logic required from your code. Now the concept is quite clear to me. Moreover i would request you to provide me with some links where i can download the free version of compiler, linker, hex generator for PIC ...I desperately need one...
  11. P

    PIC18F4550 Serial Programming issue

    Yes the TTL is recieving 9600 bps 8N1 Serial stream from other Microcontroller via Rs 232. PC is not there into picture. could you help me with a example of sample code (or with some theory) which determines that the full code has been recieved and then it passes the recieved message...
  12. P

    PIC18F4550 Serial Programming issue

    I have attached the circuit diagram. Yes the analysis is correct. I dont need the LCD but need to send the data to the GSM. No, the UART (rx) is not coming from the PC terminal. It is coming from the TTL UART (tx). Any suggestions after observing the diagram. I did not get your exact...
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    PIC18F4550 Serial Programming issue

    Hii to all the members here at Electronicspoint. ======================================= //Program to interface GSM Modem with PIC18F4550 Microcontroller //This code takes four choices as four inputs //Choice 1 : Test the simple AT Command. //Choice 2 : Find out the IMEI number of the GSM...
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