ad.h

AVR系列单片机的ADC驱动程序库

/*******************************************************************
*                            ADC                                   *
*                                                                  *
*                  by J.Schwedes 2009                              *
********************************************************************/
#ifndef AD_H
#define AD_H

#include <ad_cnf.h>

/* AD channel defines. Not all channels are supported by different AVR */

#define CH_AD0 0
#define CH_AD1 1
#define CH_AD2 2
#define CH_AD3 3
#define CH_AD4 4
#define CH_AD5 5
#define CH_AD6 6
#define CH_AD7 7

extern void AD_Init(void);
#ifdef AD_USE_AUTOSCAN
extern void AD_AutoScan(void);
#if AD_RESOLUTION == AD_8BIT
extern u8 AD_Buffer[AD_BUFF_SIZE];
/*
static inline u8 AD_GetResult(u8 buffer_idx)
*/
static inline u8 AD_GetResult(u8 buffer_idx)
{
  return(AD_Buffer[buffer_idx]);
}
#endif
#if AD_RESOLUTION == AD_10BIT
extern u16 AD_Buffer[AD_BUFF_SIZE];
/*
static inline u16 AD_GetResult(u8 buffer_idx)
*/
static inline u16 AD_GetResult(u8 buffer_idx)
{
  return(AD_Buffer[buffer_idx]);
}
#endif
#endif
#endif