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projetSC/testSerial.c 1.02 KB
1f48dd44   mdelapor   mise en ligne du ...
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  #include <stdio.h>   /* Standard input/output definitions */
  #include <string.h>  /* String function definitions */
  #include <unistd.h>  /* UNIX standard function definitions */
  #include <fcntl.h>   /* File control definitions */
  #include <errno.h>   /* Error number definitions */
  #include <termios.h> /* POSIX terminal control definitions */
  
  
  // Lecture port série
  
  typedef int serialPort;
  serialPort SerialLib_open(const char * portPath);
  
  int main(int argc, char **argv) {
     serialPort p = SerialLib_open("/dev/ttyAMA0"); 
     char buffer[1];
  	printf("ouverture reussi\n");
  
  while(1){
  
  printf("lecture d'un caractere\n");
     read(p, buffer ,1);
     
  
     printf("Message recu: %s \n",buffer);
  }
     return 0;
  }
  
  /**
   * Ouverture du port 
   * 
   *
   */
  serialPort SerialLib_open(const char * serialPortPath) {
     int fd; 
  
     fd = open(serialPortPath, O_RDWR | O_NOCTTY);
     if (fd == -1) {
        
        printf("Could not open the serial port : %s - ", serialPortPath);
     }else {
        fcntl(fd, F_SETFL, 0);
     }
     return (serialPort)fd;
  }