Hello,
The attached patch has some changed that I need to apply some others in
the C# side in the class library.
Is it ok to commit?
Carlos.
Index: serial.c
===================================================================
--- serial.c (revisión: 59128)
+++ serial.c (copia de trabajo)
@@ -41,11 +41,12 @@
/* This is a copy of System.IO.Ports.SerialSignal */
typedef enum {
- Cd = 0, /* Carrier detect */
- Cts = 1, /* Clear to send */
- Dsr = 2, /* Data set ready */
- Dtr = 3, /* Data terminal ready */
- Rts = 4 /* Request to send */
+ NoneSignal,
+ Cd = 1, /* Carrier detect */
+ Cts = 2, /* Clear to send */
+ Dsr = 4, /* Data set ready */
+ Dtr = 8, /* Data terminal ready */
+ Rts = 16 /* Request to send */
} MonoSerialSignal;
int
@@ -67,8 +68,6 @@
tcflush(fd, TCIOFLUSH);
tcsetattr(fd,TCSANOW,&newtio);
- fcntl (fd, F_SETFL, O_NONBLOCK);
-
return fd;
}
@@ -79,19 +78,9 @@
}
guint32
-read_serial (int fd, guchar *buffer, int offset, int count, int timeout)
+read_serial (int fd, guchar *buffer, int offset, int count)
{
guint32 n;
- struct pollfd ufd;
-
- ufd.fd = fd;
- ufd.events = POLLHUP | POLLIN | POLLERR;
-
- poll (&ufd, 1, timeout);
-
- if ((ufd.revents & POLLIN) != POLLIN) {
- return -1;
- }
n = read (fd, buffer + offset, count);
@@ -123,6 +112,20 @@
tcflush(fd, input ? TCIFLUSH : TCOFLUSH);
}
+gint32
+get_bytes_in_buffer (int fd, gboolean input, gint32 *error)
+{
+ gint32 retval;
+
+ *error = 0;
+ if (ioctl (fd, input ? TIOCINQ : TIOCOUTQ, &retval) == -1) {
+ *error = -1;
+ return -1;
+ }
+
+ return retval;
+}
+
gboolean
set_attributes (int fd, int baud_rate, MonoParity parity, int dataBits, MonoStopBits stopBits, MonoHandshake handshake)
{
@@ -249,22 +252,42 @@
return TIOCM_DTR;
case Rts:
return TIOCM_RTS;
+ default:
+ return 0;
}
/* Not reached */
return 0;
}
+static MonoSerialSignal
+get_mono_signal_codes (int signals)
+{
+ MonoSerialSignal retval = NoneSignal;
+
+ if ((signals & TIOCM_CAR) != 0)
+ retval |= Cd;
+ if ((signals & TIOCM_CTS) != 0)
+ retval |= Cts;
+ if ((signals & TIOCM_DSR) != 0)
+ retval |= Dsr;
+ if ((signals & TIOCM_DTR) != 0)
+ retval |= Dtr;
+ if ((signals & TIOCM_RTS) != 0)
+ retval |= Rts;
+
+ return retval;
+}
+
gint32
-get_signal (int fd, MonoSerialSignal signal)
+get_signals (int fd)
{
- int signals, expected;
+ int signals;
- expected = get_signal_code (signal);
if (ioctl (fd, TIOCMGET, &signals) == -1)
return -1;
- return (expected & signals) != 0;
+ return get_mono_signal_codes (signals);
}
gint32
@@ -291,6 +314,21 @@
return 1;
}
+gint32
+poll_serial (int fd)
+{
+ struct pollfd pinfo;
+
+ pinfo.fd = fd;
+ pinfo.events = POLLIN;
+ pinfo.revents = 0;
+
+ if (poll (&pinfo, 1, 0) == -1)
+ return -1;
+
+ return (pinfo.revents & POLLIN) != 0 ? 1 : 0;
+}
+
/*
* mono internals should not be used here.
* this serial stuff needs to be implemented with icalls.
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