- Refactor keyboard support to match serial. Now reading a key and waiting for a key are two things.

- Implement KbHit Firmware routine.
- It is now possible to interact with FreeLDR using the keyboard.


svn path=/trunk/; revision=45416

reactos/boot/armllb/fw.c

@@ -21,8 +21,8 @@ LlbFwPutChar(INT Ch)
 BOOLEAN
 LlbFwKbHit(VOID)
 {
-    /* Not yet implemented */
-    return FALSE;
+    /* Check RX buffer */
+    return LlbHwKbdReady();
 }
 
 INT

reactos/boot/armllb/hw/versatile/hwkmi.c

@@ -115,19 +115,17 @@ LlbHwKbdSend(IN ULONG Value)
     WRITE_REGISTER_UCHAR(PL050_KMIDATA, Value);
 }
 
+BOOLEAN
+NTAPI
+LlbHwKbdReady(VOID)
+{
+    return READ_REGISTER_UCHAR(PL050_KMISTAT) & KMISTAT_RXFULL;
+}
+
 INT
 NTAPI
 LlbHwKbdRead(VOID)
 {
-    ULONG Status;
-
-    /* Wait for ready signal */    
-    do
-    {
-        /* Read TX buffer state */
-        Status = READ_REGISTER_UCHAR(PL050_KMISTAT);
-    } while (!(Status & KMISTAT_RXFULL));
-    
     /* Read current data on keyboard */
     return READ_REGISTER_UCHAR(PL050_KMIDATA);
 }

reactos/boot/armllb/inc/hw.h

@@ -92,6 +92,12 @@ LlbHwKbdSend(
     IN ULONG Value
 );
 
+BOOLEAN
+NTAPI
+LlbHwKbdReady(
+    VOID
+);
+
 INT
 NTAPI
 LlbHwKbdRead(