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/* Codigo de prueba para test de puerto serial
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utiliza el dispositivo "/dev/ttyS1"
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Creado por: Ricardo V. Rojas
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Fecha : Setpiembre 2012
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*/
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#include <stdio.h> /* Standard input/output definitions */
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#include <string.h> /* String function definitions */
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#include <unistd.h> /* UNIX standard function definitions */
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#include <fcntl.h> /* File control definitions */
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#include <errno.h> /* Error number definitions */
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#include <termios.h> /* POSIX terminal control definitions */
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#define device "/dev/ttyS1"
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//Funcion principal:
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int main(void){
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//Variables a usar:
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//------------------------------
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//Puerto serial:
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int ID;
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struct termios oldtio,newtio;
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//------------------------------
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//Codigo de prueba
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static char bufferserial[100];
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int num_byte;
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//------------------------------
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//------------------------------------------
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// Configuracion del puerto seria
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ID = open(device,O_RDWR | O_NOCTTY | O_NDELAY);
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if (ID < 0){
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perror("Can not open device.\n");
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return -1;
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}
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fcntl(ID,F_SETFL,0);
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//-----
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tcgetattr(ID,&oldtio); /*Salvamos configuracion actual del puerto*/
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//Configuratio serial port: "115200,8,N,1"
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bzero(&newtio,sizeof(newtio)); /*Limpiamos struct para recibir los nuevos parametros del puerto.*/
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cfsetispeed(&newtio, B115200);
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cfsetospeed(&newtio, B115200);
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newtio.c_cflag |= (CREAD | CLOCAL);
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newtio.c_cflag &= ~PARENB; /*None bit parity*/
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newtio.c_cflag &= ~CSTOPB; /* 1 bit STOP */
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newtio.c_cflag &= ~CSIZE; /* Mask the character size bits */
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newtio.c_cflag |= CS8; /* Select 8 data bits */
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newtio.c_cflag &= ~CRTSCTS; /*Disable flow control*/
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newtio.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); /*Mode Raw input*/
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newtio.c_iflag |= IGNPAR; /*Ignorar bytes con error de paridad*/
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newtio.c_iflag &= ~INPCK; /* deshabiliar check de bit de paridad*/
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newtio.c_iflag &= ~(IXON | IXOFF | IXANY); /*Disable Xon and Xoff*/
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newtio.c_oflag &= ~OPOST; /* output in raw mode */
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newtio.c_cc[VTIME] = 0;
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newtio.c_cc[VMIN] = 1;
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tcsetattr(ID,TCSANOW, &newtio);
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printf("-Inicio-\n");
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num_byte = write(ID,"0123456789",10);
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num_byte = write(ID,"Ricardo",7);
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printf("byte enviados: %d %n",num_byte);
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printf("-Fin-\n");
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tcsetattr(ID,TCSANOW, &oldtio);
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close(ID);
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return 0;
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}
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