X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fio%2Funix%2Fserial.cpp;fp=source%2Fio%2Funix%2Fserial.cpp;h=49d9e9c138da1afaad12cc485b331b96a117bb32;hb=609c9a508cfdc7b42c46c4f21d17639204165a00;hp=0000000000000000000000000000000000000000;hpb=b4806214e905752617691f851717033fd3f266c2;p=libs%2Fcore.git

diff --git a/source/io/unix/serial.cpp b/source/io/unix/serial.cpp
new file mode 100644
index 0000000..49d9e9c
--- /dev/null
+++ b/source/io/unix/serial.cpp
@@ -0,0 +1,121 @@
+#include <fcntl.h>
+#include <termios.h>
+#include <msp/core/systemerror.h>
+#include <msp/strings/format.h>
+#include "handle_private.h"
+#include "serial.h"
+#include "serial_private.h"
+
+using namespace std;
+
+namespace Msp {
+namespace IO {
+
+void Serial::platform_init(const string &port)
+{
+	string fn = port;
+	if(fn.compare(0, 5, "/dev/"))
+		fn = "/dev/"+fn;
+
+	*handle = open(fn.c_str(), O_RDWR);
+	if(!handle)
+		throw system_error(format("open(%s)", port));
+	mode = M_READ|M_WRITE;
+
+	termios t;
+	tcgetattr(*handle, &t);
+	t.c_iflag &= ~(ISTRIP|INLCR|IGNCR|ICRNL|IXON);
+	t.c_lflag &= ~(ECHO|ICANON|ISIG|IEXTEN);
+	t.c_oflag &= ~(OPOST|OCRNL|ONOCR|ONLRET);
+	t.c_cc[VMIN] = 1;
+	t.c_cc[VTIME] = 0;
+	tcsetattr(*handle, TCSADRAIN, &t);
+}
+
+
+void Serial::DeviceState::get_from(const Handle &handle)
+{
+	tcgetattr(*handle, &state);
+}
+
+void Serial::DeviceState::apply_to(const Handle &handle)
+{
+	if(tcsetattr(*handle, TCSADRAIN, &state)==-1)
+		throw system_error("tcsetattr");
+}
+
+void Serial::DeviceState::set_baud_rate(unsigned baud)
+{
+	speed_t speed;
+	switch(baud)
+	{
+	case 0:      speed = B0; break;
+	case 50:     speed = B50; break;
+	case 75:     speed = B75; break;
+	case 110:    speed = B110; break;
+	case 134:    speed = B134; break;
+	case 150:    speed = B150; break;
+	case 200:    speed = B200; break;
+	case 300:    speed = B300; break;
+	case 600:    speed = B600; break;
+	case 1200:   speed = B1200; break;
+	case 1800:   speed = B1800; break;
+	case 2400:   speed = B2400; break;
+	case 4800:   speed = B4800; break;
+	case 9600:   speed = B9600; break;
+	case 19200:  speed = B19200; break;
+	case 38400:  speed = B38400; break;
+	case 57600:  speed = B57600; break;
+	case 115200: speed = B115200; break;
+	case 230400: speed = B230400; break;
+	default: throw invalid_argument("set_baud_rate");
+	}
+
+	cfsetospeed(&state, speed);
+	cfsetispeed(&state, speed);
+}
+
+void Serial::DeviceState::set_data_bits(unsigned bits)
+{
+	tcflag_t flag;
+	switch(bits)
+	{
+	case 5: flag = CS5; break;
+	case 6: flag = CS6; break;
+	case 7: flag = CS7; break;
+	case 8: flag = CS8; break;
+	default: throw invalid_argument("set_data_bits");
+	}
+
+	state.c_cflag = (state.c_cflag&~CSIZE)|flag;
+}
+
+void Serial::DeviceState::set_parity(Serial::Parity par)
+{
+	tcflag_t flag;
+	switch(par)
+	{
+	case Serial::NONE: flag = 0; break;
+	case Serial::EVEN: flag = PARENB; break;
+	case Serial::ODD:  flag = PARENB|PARODD; break;
+	default: throw invalid_argument("set_parity");
+	}
+
+	state.c_cflag = (state.c_cflag&~(PARENB|PARODD))|flag;
+}
+
+void Serial::DeviceState::set_stop_bits(unsigned bits)
+{
+	tcflag_t flag;
+	switch(bits)
+	{
+	case 1: flag = 0; break;
+	case 2: flag = CSTOPB; break;
+	default: throw invalid_argument("set_stop_bits");
+	}
+
+	state.c_cflag = (state.c_cflag&~CSTOPB)|flag;
+}
+
+} // namespace IO
+} // namespace MSp