[hbelusca] 57780: [CPORTLIB/FREELDR] GetByte --> Wait for data (with timeout) and get it if available. PollByte --> Check for data, get it if available, and return immediately.

Author: hbelusca
Date: Wed Nov 28 23:16:01 2012
New Revision: 57780

URL: http://svn.reactos.org/svn/reactos?rev=57780&view=rev
Log:
[CPORTLIB/FREELDR]
GetByte  --> Wait for data (with timeout) and get it if available.
PollByte --> Check for data, get it if available, and return immediately.

Modified:
    trunk/reactos/boot/freeldr/freeldr/comm/rs232.c
    trunk/reactos/boot/freeldr/freeldr/windows/headless.c
    trunk/reactos/include/reactos/libs/cportlib/cportlib.h
    trunk/reactos/lib/cportlib/cport.c

Modified: trunk/reactos/boot/freeldr/freeldr/comm/rs232.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/comm/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/comm/rs232.c [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/comm/rs232.c [iso-8859-1] Wed Nov 28 23:16:01 2012
@@ -100,7 +100,7 @@
     if (PortInitialized == FALSE)
         return FALSE;
 
-    return (CpGetByte(&Rs232ComPort, ByteReceived, FALSE, FALSE) == CP_GET_SUCCESS);
+    return (CpGetByte(&Rs232ComPort, ByteReceived, TRUE) == CP_GET_SUCCESS);
 }
 
 /*
@@ -109,12 +109,7 @@
     if (PortInitialized == FALSE)
         return FALSE;
 
-    while ((READ_PORT_UCHAR (SER_LSR(Rs232PortBase)) & SR_LSR_DR) == 0)
-        ;
-
-    *ByteReceived = READ_PORT_UCHAR (SER_RBR(Rs232PortBase));
-
-    return TRUE;
+    return (CpGetByte(&Rs232ComPort, ByteReceived, FALSE) == CP_GET_SUCCESS);
 }
 */
 

Modified: trunk/reactos/boot/freeldr/freeldr/windows/headless.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/windo…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/windows/headless.c [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/windows/headless.c [iso-8859-1] Wed Nov 28 23:16:01
2012
@@ -143,7 +143,7 @@
 WinLdrPortGetByte(IN ULONG PortId,
     			  OUT PUCHAR Data)
 {
-	return CpGetByte(&Port[PortId], Data, TRUE, FALSE) == CP_GET_SUCCESS;
+	return CpGetByte(&Port[PortId], Data, TRUE) == CP_GET_SUCCESS;
 }
 
 BOOLEAN
@@ -151,7 +151,7 @@
 {
     UCHAR Dummy;
 
-    return CpGetByte(&Port[PortId], &Dummy, FALSE, TRUE) == CP_GET_SUCCESS;
+    return CpGetByte(&Port[PortId], &Dummy, FALSE) == CP_GET_SUCCESS;
 }
 
 VOID

Modified: trunk/reactos/include/reactos/libs/cportlib/cportlib.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/reactos/libs/cport…
==============================================================================
--- trunk/reactos/include/reactos/libs/cportlib/cportlib.h [iso-8859-1] (original)
+++ trunk/reactos/include/reactos/libs/cportlib/cportlib.h [iso-8859-1] Wed Nov 28
23:16:01 2012
@@ -69,8 +69,7 @@
 CpGetByte(
     IN  PCPPORT Port,
     OUT PUCHAR  Byte,
-    IN  BOOLEAN Wait,
-    IN  BOOLEAN Poll
+    IN  BOOLEAN Wait
 );
 
 VOID

Modified: trunk/reactos/lib/cportlib/cport.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/cportlib/cport.c?rev=5…
==============================================================================
--- trunk/reactos/lib/cportlib/cport.c [iso-8859-1] (original)
+++ trunk/reactos/lib/cportlib/cport.c [iso-8859-1] Wed Nov 28 23:16:01 2012
@@ -255,8 +255,7 @@
 NTAPI
 CpGetByte(IN  PCPPORT Port,
           OUT PUCHAR  Byte,
-          IN  BOOLEAN Wait,
-          IN  BOOLEAN Poll)
+          IN  BOOLEAN Wait)
 {
     UCHAR Lsr;
     ULONG LimitCount = Wait ? TIMEOUT_COUNT : 1;
@@ -278,9 +277,6 @@
                 return CP_GET_ERROR;
             }
 
-            /* If only polling was requested by caller, return now */
-            if (Poll) return CP_GET_SUCCESS;
-
             /* Otherwise read the byte and return it */
             *Byte = READ_PORT_UCHAR(Port->Address + RECEIVE_BUFFER_REGISTER);