Etienne Stransky
/
Communications_moteurs
ok
Revision 0:6c60dedc1d7a, committed 2019-02-12
- Comitter:
- stersky
- Date:
- Tue Feb 12 14:46:02 2019 +0000
- Commit message:
- ok
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 6c60dedc1d7a main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Feb 12 14:46:02 2019 +0000 @@ -0,0 +1,63 @@ +#include "mbed.h" + +Serial centrale(p9,p10); +Serial PC(USBTX,USBRX); + +void lecture_centrale(int *ptr1, int *ptr2); + +int main() { + int vitesse,gouvernail; + centrale.baud(9600); + PC.baud(460800); + + while(1) { + lecture_centrale(&vitesse,&gouvernail); + PC.printf("Vmoteur : %d\n\rDirMoteur : %d\n\r",vitesse,gouvernail); + } +} + +void lecture_centrale(int* ptr1, int* ptr2) +{ + char fin=0; + char etat = 0; + char a,i=0; + char buffer[30]; + + while(fin==0) + { +if (centrale.readable()) + { // attention PC.readable reste à 1 tant qu'il n'y a pas eu de getc qui vide le buffer + a=centrale.getc(); + + switch(etat) + { + case 0 : + if(a=='$')//On attend le début d'une trame + { + buffer[0] = '$'; + i=1; + etat = 1; + } + break; + + case 1 ://Après le début d'une trame, on récupère la trame en entier et on l'analyse + buffer[i] = a; + i++; + if(a=='*') + { + sscanf(buffer,"$%d|%d*",ptr1,ptr2); + fin = 1; + i=0; + etat=0; + } + break; + + default : + etat = 0; + break; + + + } + } + } + } \ No newline at end of file
diff -r 000000000000 -r 6c60dedc1d7a mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Feb 12 14:46:02 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc \ No newline at end of file