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authorJoel Sherrill <joel.sherrill@OARcorp.com>1998-07-15 23:54:24 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1998-07-15 23:54:24 +0000
commit8414c033e23f5ac89769fd25cc9fbe513a63f152 (patch)
treec3bd81db57a6664b6dae25b80c74b0b70a3762b3 /c/src/libchip/serial/z85c30_reg.c
parentAdded default mc68681 register access routines. (diff)
downloadrtems-8414c033e23f5ac89769fd25cc9fbe513a63f152.tar.bz2
Added default z85c30 register access routines.
Diffstat (limited to '')
-rw-r--r--c/src/libchip/serial/z85c30_reg.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/c/src/libchip/serial/z85c30_reg.c b/c/src/libchip/serial/z85c30_reg.c
new file mode 100644
index 0000000000..af1f761db8
--- /dev/null
+++ b/c/src/libchip/serial/z85c30_reg.c
@@ -0,0 +1,103 @@
+/*
+ * This file contains a typical set of register access routines which may be
+ * used with the z85c30 chip if accesses to the chip are as follows:
+ *
+ * + registers are accessed as bytes
+ *
+ * COPYRIGHT (c) 1989-1997.
+ * On-Line Applications Research Corporation (OAR).
+ * Copyright assigned to U.S. Government, 1994.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ */
+
+#include <rtems.h>
+
+#ifndef _Z85C30_MULTIPLIER
+#define _Z85C30_MULTIPLIER 1
+#define _Z85C30_NAME(_X) _X
+#define _Z85C30_TYPE unsigned8
+#endif
+
+/*
+ * Z85C30 Get Register Routine
+ */
+
+unsigned8 _Z85C30_NAME(z85c30_get_register)(
+ unsigned32 ulCtrlPort,
+ unsigned8 ucRegNum
+)
+{
+ _Z85C30_TYPE *port;
+ unsigned8 data;
+ rtems_interrupt_level level;
+
+ port = (_Z85C30_TYPE *)ulCtrlPort;
+
+ rtems_interrupt_disable(level);
+
+ if(ucRegNum) {
+ *port = ucRegNum;
+ }
+ data = *port;
+ rtems_interrupt_disable(level);
+
+ return data;
+}
+
+/*
+ * Z85C30 Set Register Routine
+ */
+
+void _Z85C30_NAME(z85c30_set_register)(
+ unsigned32 ulCtrlPort,
+ unsigned8 ucRegNum,
+ unsigned8 ucData
+)
+{
+ _Z85C30_TYPE *port;
+ rtems_interrupt_level level;
+
+ port = (_Z85C30_TYPE *)ulCtrlPort;
+
+ rtems_interrupt_disable(level);
+ if(ucRegNum) {
+ *port = ucRegNum;
+ }
+ *port = ucData;
+ rtems_interrupt_disable(level);
+}
+
+
+/*
+ * Z85C30 Get Data Routine
+ */
+
+unsigned8 _Z85C30_NAME(z85c30_get_data)(
+ unsigned32 ulDataPort
+)
+{
+ _Z85C30_TYPE *port;
+
+ port = (_Z85C30_TYPE *)ulDataPort;
+ return *port;
+}
+
+/*
+ * Z85C30 Set Data Routine
+ */
+
+void _Z85C30_NAME(z85c30_set_data)(
+ unsigned32 ulDataPort,
+ unsigned8 ucData
+)
+{
+ _Z85C30_TYPE *port;
+
+ port = (_Z85C30_TYPE *)ulDataPort;
+ *port = ucData;
+}