adc_drv.h

ATMEL公司AT89C51SND1为主控制器MP3源代码

/*H**************************************************************************
* NAME:         adc_drv.h         
*----------------------------------------------------------------------------
* Copyright (c) 2003 Atmel.
*----------------------------------------------------------------------------
* RELEASE:      snd1c-refd-nf-4_0_3      
* REVISION:     1.5     
*----------------------------------------------------------------------------
* PURPOSE:
* This file contains the A to D Converter driver definitions
*****************************************************************************/

#ifndef _ADC_DRV_H_
#define _ADC_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 ______________________________________________*/

void    adc_set_prio (Byte);

#define Adc_set_clock(clock)    (ADCLK = clock)
#define Adc_enable()            (ADCON |= MSK_ADEN)
#define Adc_disable()           (ADCON &= ~MSK_ADEN)
#define Adc_enable_int()        (IEN1 |= MSK_EADC)
#define Adc_disable_int()       (IEN1 &= ~MSK_EADC)
#define Adc_end_of_conv()       ((ADCON & MSK_ADEOC) == MSK_ADEOC)
#define Adc_ack_conversion()    (ADCON &= ~MSK_ADEOC)
#define Adc_get_data_h()        (ADDH)
#define Adc_get_data_l()        (ADDL)
#define Adc_select_channel(c)   (ADCON &= ~MSK_ADCS); (ADCON |= c)
#define Adc_convert_std()       (ADCON |= MSK_ADSST)
#define Adc_convert_idle()      (ADCON |= MSK_ADSST | MSK_ADIDL)


#endif  /* _ADC_DRV_H_ */