URL
https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [libchip/] [serial/] [z85c30_reg.c] - Rev 218
Go to most recent revision | Compare with Previous | Blame | View Log
/* * 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: z85c30_reg.c,v 1.2 2001-09-27 12:01:42 chris Exp $ */ #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_enable(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_enable(level); }
Go to most recent revision | Compare with Previous | Blame | View Log