s12_atd.h

source code for a sample alarm control panel system using Freescale MC9S12DP256 . The project was im

//=============================================================================
// File: S12_ATD.H - V1.00
// Rem.: The ACPRD Project Page on the Web -> http://hc12web.de/acprd
//=============================================================================

#ifndef __S12_ATD_H
#define __S12_ATD_H

//-- ATD Bit Mask Definitions -------------------------------------------------

// Bits in ATDxCTL2:
#define BM_ADPU		0x80
#define BM_AFFC		0x40
#define BM_AWAI		0x20
#define BM_ETRIGLE	0x10
#define BM_ETRIGP	0x08
#define BM_ETRIGE	0x04
#define BM_ASCIE	0x02
#define BM_ASCIF	0x01

// Bits in ATDxCTL3:
//#define reserved	0x80
#define BM_S8C		0x40
#define BM_S4C		0x20
#define BM_S2C		0x10
#define BM_S1C		0x08
#define BM_FIFO		0x04
#define BM_FRZ1		0x02
#define BM_FRZ0		0x01

// Bits in ATDxCTL4:
#define BM_SRES8	0x80
#define BM_SMP1		0x40
#define BM_SMP0		0x20
#define BM_PRS4		0x10
#define BM_PRS3		0x08
#define BM_PRS2		0x04
#define BM_PRS1		0x02
#define BM_PRS0		0x01

// Bits in ATDxCTL5:
#define BM_DJM		0x80
#define BM_DSGM		0x40
#define BM_SCAN		0x20
#define BM_MULT		0x10
//#define reserved	0x08
#define BM_CC		0x04
#define BM_CB		0x02
#define BM_CA		0x01

// Bits in ATDxSTAT0:
#define BM_SCF		0x80
//#define reserved	0x40
#define BM_ETORF	0x20
#define BM_FIFOR	0x10
//#define reserved	0x08
#define BM_CC2		0x04
#define BM_CC1		0x02
#define BM_CC0		0x01

//-- Defines ------------------------------------------------------------------

// number of ATD channels used (starting with channel 0)
#define ATD_MAX_CHANNELS		8
// number of values for average calculation
#define ATD_AVERAGE_COUNT		10

//-- Function Prototypes ------------------------------------------------------

void initATD0(void);
UINT16 getATD0(UINT8 channel);
void startATD0(void);
BOOL readATD0(UINT16 *results);
void handleATD0(UINT16 *buf);

#endif //__S12_ATD_H ==========================================================