/*H**************************************************************************
* NAME: c51_drv.h
*----------------------------------------------------------------------------
* Copyright (c) 2003 Atmel.
*----------------------------------------------------------------------------
* RELEASE: snd1c-refd-nf-4_0_3
* REVISION: 1.3
*----------------------------------------------------------------------------
* PURPOSE:
* This file contains the C51 driver definition
*****************************************************************************/
#ifndef _C51_DRV_H_
#define _C51_DRV_H_
/*_____ I N C L U D E S ____________________________________________________*/
/*_____ M A C R O S ________________________________________________________*/
/*_____ D E F I N I T I O N ________________________________________________*/
/*_____ D E C L A R A T I O N ______________________________________________*/
#define Set_x2_mode() (CKCON |= MSK_X2)
#define Set_x1_mode() (CKCON &= ~MSK_X2)
#define Mode_x2() ((CKCON & MSK_X2) == MSK_X2)
#define Set_idle_mode() (PCON |= MSK_IDLE)
#define Set_power_down_mode() (PCON |= MSK_PD)
#define Enable_eram() (AUXR &= ~MSK_EXTRAM)
#define Disable_eram() (AUXR |= MSK_EXTRAM)
#define Set_eram_size(s) (AUXR &= ~MSK_XRS); (AUXR |= s)
#define Enable_interrupt() (EA = 1)
#define Disable_interrupt() (EA = 0)
#endif /* _C51_DRV_H_ */
