uvos/SerialPortMultiplexer
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added inital serial port flush, serial handeling changes. rate display bugfix

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IMback
2018-10-30 23:49:37 +01:00
parent 7fd14320db
commit 2ee39f1843
3 changed files with 40 additions and 35 deletions
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39
serial_io.cpp
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@ -1,7 +1,5 @@
#include "serial_io.h"
struct termios toptions;
void sWrite(int port, char string[], size_t length)
{
if(port != -1) write(port, string, length);
@ -18,9 +16,35 @@ ssize_t sRead(int port, void *buf, size_t count)
return (port != -1) ? read(port, buf, count) : 0;
}
#ifdef __cplusplus
void printRates()
{
std::cout<<"Rates:\n"\
<<"B50 "<<B50<<'\n'\
<<"B75 "<<B75<<'\n'\
<<"B110 "<<B110<<'\n'\
<<"B134 "<<B134<<'\n'\
<<"B150 "<<B150<<'\n'\
<<"B200 "<<B200<<'\n'\
<<"B300 "<<B300<<'\n'\
<<"B600 "<<B600<<'\n'\
<<"B1200 "<<B1200<<'\n'\
<<"B1800 "<<B1800<<'\n'\
<<"B2400 "<<B2400<<'\n'\
<<"B4800 "<<B4800<<'\n'\
<<"B9600 "<<B9600<<'\n'\
<<"B19200 "<<B19200<<'\n'\
<<"B38400 "<<B38400<<'\n'\
<<"B57600 "<<B57600<<'\n'\
<<"B115200 "<<B115200<<'\n'\
<<"B230400 "<<B230400<<'\n';
}
#endif
int serialport_init(const char* device, int baud)
{
int fd;
struct termios toptions;
fd = open(device, O_RDWR | O_NOCTTY | O_NDELAY);
if (fd == -1)
{
@ -44,19 +68,20 @@ int serialport_init(const char* device, int baud)
//Make Raw
toptions.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON);
toptions.c_oflag &= ~OPOST;
toptions.c_oflag &= ~OPOST; //hmm examine
toptions.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
toptions.c_cflag &= ~(CSIZE | PARENB);
toptions.c_cflag |= CS8;
cfsetispeed(&toptions, baud);
cfsetospeed(&toptions, baud);
if(cfsetispeed(&toptions, baud) < 0 || cfsetospeed(&toptions, baud) < 0)
{
perror("init_serialport: Couldn't set baud rate");
return -1;
}
// see: http://unixwiz.net/techtips/termios-vmin-vtime.html
toptions.c_cc[VMIN] = 0;
toptions.c_cc[VTIME] = 40;
fcntl(fd, F_SETFL, FNDELAY);
if( tcsetattr(fd, TCSANOW, &toptions) < 0)
{
perror("init_serialport: Couldn't set term attributes");