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Clone from http://pc-instru.lpp.polytechnique.fr:5000/lppserial

Improved beaglebone support.
jeandet -
r36:566051021c9c alexis
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@@ -27,7 +27,7 rs232port_t rs232open(char* psPortName)
27 27 {
28 28 rs232port_t fd;
29 29 fd = (rs232port_t)open(psPortName, O_RDWR | O_NOCTTY | O_NDELAY);
30 fcntl((int)fd, F_SETFL, 0);
30 fcntl((int)fd, F_SETFL, FNDELAY);
31 31 //fd = open(psPortName, O_RDWR | O_NOCTTY);
32 32 #ifdef debug
33 33 if(fd==-1)printf("can't open Port\n");
@@ -125,6 +125,10 int rs232setup(rs232port_t fd, int ChSiz
125 125 {
126 126 struct termios terminos;
127 127 tcgetattr(fd, &terminos);
128 terminos.c_iflag=0;
129 terminos.c_oflag=0;
130 terminos.c_cflag=0;
131 terminos.c_lflag=0;
128 132 cfsetispeed(&terminos, rs232cfspeed(BaudeRate));
129 133 cfsetospeed(&terminos, rs232cfspeed(BaudeRate));
130 134 terminos.c_cflag |= (CLOCAL | CREAD);
@@ -483,13 +487,16 int rs232saferead(rs232port_t fd,char* d
483 487 {
484 488 int read=0;
485 489 int i=0;
486 for(i=0;i<100;i++)
490 for(i=0;i<1000;i++)
487 491 {
488 492 read = rs232read((int)fd,data,count);
493 //printf("read %d bytes\n",read);
494 if(read==-1)read=0;
489 495 count -=read;
490 496 data+=read;
491 497 if(count==0)
492 498 return 0;
499 usleep(10);
493 500 }
494 501 return -1;
495 502 }
@@ -503,6 +510,8 int rs232safewrite(rs232port_t fd,char*
503 510 for(i=0;i<1000;i++)
504 511 {
505 512 written = rs232write((int)fd,data+written,count);
513 //printf("%d bytes written\n",written);
514 if(written==-1)written=0;
506 515 count-=written;
507 516 data+=written;
508 517 if(count==0)
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