Oppgave 9.2a
Dependencies: mbed
main.cpp@0:d896dc6654aa, 2017-10-31 (annotated)
- Committer:
- Smashftw
- Date:
- Tue Oct 31 12:44:26 2017 +0000
- Revision:
- 0:d896dc6654aa
Oppgave 9.2a
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Smashftw | 0:d896dc6654aa | 1 | |
Smashftw | 0:d896dc6654aa | 2 | #include "mbed.h" |
Smashftw | 0:d896dc6654aa | 3 | LocalFileSystem local("local"); |
Smashftw | 0:d896dc6654aa | 4 | Serial pc(USBTX, USBRX); |
Smashftw | 0:d896dc6654aa | 5 | |
Smashftw | 0:d896dc6654aa | 6 | int main() |
Smashftw | 0:d896dc6654aa | 7 | { |
Smashftw | 0:d896dc6654aa | 8 | char line[120]; |
Smashftw | 0:d896dc6654aa | 9 | |
Smashftw | 0:d896dc6654aa | 10 | FILE *fp = fopen("/local/treasure.txt", "r"); |
Smashftw | 0:d896dc6654aa | 11 | if (fp == NULL) { // Feil i åpning av fil |
Smashftw | 0:d896dc6654aa | 12 | pc.printf("Feil i fopen\n"); |
Smashftw | 0:d896dc6654aa | 13 | return 1; |
Smashftw | 0:d896dc6654aa | 14 | } |
Smashftw | 0:d896dc6654aa | 15 | |
Smashftw | 0:d896dc6654aa | 16 | // Read file line by line - max 100 lines |
Smashftw | 0:d896dc6654aa | 17 | int lnum = 0; |
Smashftw | 0:d896dc6654aa | 18 | while (fgets(line, 115, fp) != NULL) { |
Smashftw | 0:d896dc6654aa | 19 | pc.puts(line); |
Smashftw | 0:d896dc6654aa | 20 | wait_ms(20); |
Smashftw | 0:d896dc6654aa | 21 | lnum++; |
Smashftw | 0:d896dc6654aa | 22 | if (lnum > 99) { |
Smashftw | 0:d896dc6654aa | 23 | break; |
Smashftw | 0:d896dc6654aa | 24 | } |
Smashftw | 0:d896dc6654aa | 25 | } |
Smashftw | 0:d896dc6654aa | 26 | fclose(fp); |
Smashftw | 0:d896dc6654aa | 27 | return 0; |
Smashftw | 0:d896dc6654aa | 28 | } |
Smashftw | 0:d896dc6654aa | 29 |