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file command propeller help! — Parallax Forums

file command propeller help!

SovrSovr Posts: 12
edited 2011-09-08 20:55 in Propeller 1
hello, can anyone show me a sample code using the "file" command to import an external dat from a file? if so how do you even set up a file to have a dat object stored in it? Thank you very much for your help :smile:

Comments

  • Mike GreenMike Green Posts: 23,101
    edited 2011-09-08 20:55
    First of all, you have to understand that the "FILE" statement inserts the entire specified file into the binary output of the compiler. You're not importing source code into the source program like an "include" statement might do. The inserted file might be a compiled Spin program or it might be some other binary file. It could be text for your program to scan or something to copy into a separate flash memory using routines in your program. One example might be: 
            DAT
filestart:
        FILE   "someFile.txt"   ' a text file for example
        BYTE   0   ' marks the end of the file

PUB displayIt | ptr, char
   ptr := @filestart
   repeat while char := byte[ptr++]   ' stop at zero byte
      serial.tx(char)   ' assume we're transmitting to a PC via FullDuplexSerial
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