uvos/SerialPortMultiplexer
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This commit is contained in:
Carl Klemm
2019-05-18 14:35:57 +02:00
parent befdbe010b
commit e5bb8325bd
3 changed files with 242 additions and 175 deletions
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33
serial_io.cpp
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@ -3,7 +3,6 @@
void sWrite(int port, char string[], size_t length)
{
if(port != -1) write(port, string, length);
}
void sWrite(int port, const char string[], size_t length)
@ -42,18 +41,10 @@ std::cout<<"Rates:\n"\
}
#endif
int serialport_init(const char* device, int baud)
int serialport_set_config(int fd, int baud)
{
int fd;
struct termios toptions;
fd = open(device, O_RDWR | O_NOCTTY | O_NDELAY);
if (fd == -1)
{
perror("init_serialport: Unable to open port ");
return -1;
}
if (tcgetattr(fd, &toptions) < 0)
struct termios toptions;
if (tcgetattr(fd, &toptions) < 0)
{
perror("init_serialport: Couldn't get term attributes");
return -1;
@ -93,6 +84,24 @@ int serialport_init(const char* device, int baud)
perror("init_serialport: Couldn't set term attributes");
return -1;
}
return 0;
}
int serialport_init(const char* device, int baud, bool block = false)
{
int fd;
fd = open(device, O_RDWR | O_NOCTTY | (block ? 0 : O_NONBLOCK));
if (fd == -1)
{
perror("init_serialport: Unable to open port ");
return -1;
}
if(serialport_set_config(fd, baud) != 0)
{
close(fd);
fd = -1;
}
return fd;
}