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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-07-15 23:54:24 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-07-15 23:54:24 +0000 |
commit | 8414c033e23f5ac89769fd25cc9fbe513a63f152 (patch) | |
tree | c3bd81db57a6664b6dae25b80c74b0b70a3762b3 /c/src/libchip/serial/z85c30_reg.c | |
parent | Added default mc68681 register access routines. (diff) | |
download | rtems-8414c033e23f5ac89769fd25cc9fbe513a63f152.tar.bz2 |
Added default z85c30 register access routines.
Diffstat (limited to '')
-rw-r--r-- | c/src/libchip/serial/z85c30_reg.c | 103 |
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; +} |