lechu/go-serial
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

linux: implemented last native calls through syscall package

Browse Source 
no more "C" package dependencies for linux! yay!
This commit is contained in:
Cristian Maglie
2014-12-15 18:13:37 +01:00
parent 5a547e5348
commit 667f593174
1 changed files with 3 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
serial_linux.go
View File

@@ -6,39 +6,6 @@
package serial package serial
/*
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
#include <linux/serial.h>
//int fcntl_wrapper(int fd, int cmd, int arg) {
// return fcntl(fd, cmd, arg);
//}
// Gain exclusive access to serial port
void setTIOCEXCL(int handle) {
#if defined TIOCEXCL
ioctl(handle, TIOCEXCL);
#endif
}
// Release exclusive access to serial port
void setTIOCNXCL(int handle) {
#if defined TIOCNXCL
ioctl(handle, TIOCNXCL);
#endif
}
*/
import "C"
import "io/ioutil" import "io/ioutil"
import "regexp" import "regexp"
import "syscall" import "syscall"
@@ -56,13 +23,11 @@ func ioctl(fd int, req uint64, data uintptr) (err error) {
// native syscall wrapper functions // native syscall wrapper functions
func getExclusiveAccess(handle int) error { func getExclusiveAccess(handle int) error {
_, err := C.setTIOCEXCL(C.int(handle)) return ioctl(handle, syscall.TIOCEXCL, 0)
return err
} }
func releaseExclusiveAccess(handle int) error { func releaseExclusiveAccess(handle int) error {
_, err := C.setTIOCNXCL(C.int(handle)) return ioctl(handle, syscall.TIOCNXCL, 0)
return err
} }
func getTermSettings(handle int) (*syscall.Termios, error) { func getTermSettings(handle int) (*syscall.Termios, error) {
@@ -290,7 +255,7 @@ func OpenPort(portName string, exclusive bool) (SerialPort, error) {
} }
// Set local mode // Set local mode
settings.Cflag |= C.CREAD | C.CLOCAL settings.Cflag |= syscall.CREAD | syscall.CLOCAL
// Set raw mode // Set raw mode
settings.Lflag &= ^uint32(syscall.ICANON | syscall.ECHO | syscall.ECHOE | syscall.ECHOK | syscall.ECHONL | syscall.ECHOCTL | syscall.ECHOPRT | syscall.ECHOKE | syscall.ISIG | syscall.IEXTEN) settings.Lflag &= ^uint32(syscall.ICANON | syscall.ECHO | syscall.ECHOE | syscall.ECHOK | syscall.ECHONL | syscall.ECHOCTL | syscall.ECHOPRT | syscall.ECHOKE | syscall.ISIG | syscall.IEXTEN)