X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fserial.cpp;h=2ed11ae9fddd900b4ab695a2acc05770deaf5e18;hp=9df797109d840cc3554136035410977926bc802e;hb=a97f614de0984d6dda2173ca72815ac1062faf7a;hpb=31e72f50fbb34d86877e5110401c49ce3fefd4bb

diff --git a/source/io/serial.cpp b/source/io/serial.cpp
index 9df7971..2ed11ae 100644
--- a/source/io/serial.cpp
+++ b/source/io/serial.cpp
@@ -149,7 +149,8 @@ void set_stop_bits(DeviceState &state, unsigned bits)
 namespace Msp {
 namespace IO {
 
-Serial::Serial(const string &descr)
+Serial::Serial(const string &descr):
+	reader(handle, 1024)
 {
 	string::size_type comma = descr.find(',');
 	string port = descr.substr(0, comma);
@@ -157,7 +158,7 @@ Serial::Serial(const string &descr)
 #ifdef WIN32
 	port = "\\\\.\\"+port;
 
-	*handle = CreateFile(port.c_str(), GENERIC_READ|GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
+	*handle = CreateFile(port.c_str(), GENERIC_READ|GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL|FILE_FLAG_OVERLAPPED, 0);
 	if(!handle)
 		throw system_error(format("CreateFile(%s)", port));
 	mode = M_READ|M_WRITE;
@@ -208,11 +209,7 @@ Serial::~Serial()
 
 void Serial::close()
 {
-#ifdef WIN32
-	CloseHandle(*handle);
-#else
-	::close(*handle);
-#endif
+	sys_close(handle);
 }
 
 void Serial::set_block(bool b)
@@ -287,22 +284,7 @@ unsigned Serial::do_write(const char *buf, unsigned size)
 	if(size==0)
 		return 0;
 
-#ifdef WIN32
-	DWORD ret;
-	if(WriteFile(*handle, buf, size, &ret, 0)==0)
-		throw system_error("WriteFile");
-#else
-	int ret = ::write(*handle, buf, size);
-	if(ret==-1)
-	{
-		if(errno==EAGAIN)
-			return 0;
-		else
-			throw system_error("write");
-	}
-#endif
-
-	return ret;
+	return sys_write(handle, buf, size);
 }
 
 unsigned Serial::do_read(char *buf, unsigned size)
@@ -310,32 +292,12 @@ unsigned Serial::do_read(char *buf, unsigned size)
 	if(size==0)
 		return 0;
 
-#ifdef WIN32
-	DWORD ret;
-	if(ReadFile(*handle, buf, size, &ret, 0)==0)
-		throw system_error("ReadFile");
-#else
-	int ret = ::read(*handle, buf, size);
-	if(ret==-1)
-	{
-		if(errno==EAGAIN)
-			return 0;
-		else
-			throw system_error("read");
-	}
-#endif
+	unsigned ret = reader.read(buf, size);
+	if(ret==0)
+		set_eof();
 
 	return ret;
 }
 
-const Handle &Serial::get_event_handle()
-{
-#ifdef WIN32
-	throw logic_error("Serial port events not supported on win32 yet");
-#else
-	return handle;
-#endif
-}
-
 } // namespace IO
 } // namespace Msp