ad9954.h

Arm 控制ad9954源程序

#ifndef __ad9954_h__
#define __ad9954_h__


//-------------include files----------------------------//

#include "..\header\arm.h"


//-------------AD9954 register define------------------//

//Instruction Byte Define
#define INSTRUCTION_CFR1 0x00 //Function Register 1
#define INSTRUCTION_CFR2 0x01 //Function Register 2
#define INSTRUCTION_ASF 0x02 //Channel Frequency Tuning Word
#define INSTRUCTION_ARR 0x03 //Channel Phase Offset Word
#define INSTRUCTION_FTW0	 0x04 //Amplitude Control
#define INSTRUCTION_POW0	 0x05 //Linear Sweep Ramp Rate
#define INSTRUCTION_FTW1  0x06 //LSR Rising Delta
#define INSTRUCTION_RSCW0  0x07 //LSR Falling Delta
 #define INSTRUCTION_RSCW1  0x08
 #define INSTRUCTION_RSCW2  0x09
 #define INSTRUCTION_RSCW3  0x0A
 #define INSTRUCTION_RAM  0x0B
//------------Hardware Define--------------------------//

//PIN initialize;
#define AD9954_CS_PORT_NUMBER 17     /* P1 */
#define AD9954_UPDATE_PORT_NUMBER 16 /* P1 */
#define AD9954_DDSSDI_PORT_NUMBER 18 /* P1 */
#define AD9954_DDSCR_PORT_NUMBER 31  /* P0 */
#define AD9954_DDSCLK_PORT_NUMBER 27 /* P0 */
#define AD9954_DDSSYN_PORT_NUMBER 28 /* P0 */
#define AD9954_DDSOSK_PORT_NUMBER 19 //P1 
  //control direction of the shaped on-off keying function when programmed for operation.
#define INITIALIZE_AD9954_PORT  IO1DIR|=(1<<AD9954_CS_PORT_NUMBER); \
                                IO1DIR|=(1<<AD9954_UPDATE_PORT_NUMBER); \
								IO1DIR|=(1<<AD9954_DDSSDI_PORT_NUMBER); \
								IO1DIR|=(1<<AD9954_DDSOSK_PORT_NUMBER); \
								IO0DIR|=(1<<AD9954_DDSCR_PORT_NUMBER); \
								IO0DIR|=(1<<AD9954_DDSCLK_PORT_NUMBER); \
								IO0DIR|=(1<<AD9954_DDSSYN_PORT_NUMBER); 
                                
				
//PIN control;

#define AD9954_CS_PORT  	(p1.bits.bit17)		//		
#define AD9954_UPDATE_PORT	(p1.bits.bit16)		
//In  update_port  rising edge transfer the contents of the buffer to I/Oregister;

#define AD9954_DDSSDI_PORT	(p1.bits.bit18)
#define AD9954_DDSCR_PORT	(p0.bits.bit31)   //dds reset pin
#define AD9954_DDSCLK_PORT	(p0.bits.bit27) 
#define AD9954_DDSSYN_PORT	(p0.bits.bit28) 
//Add osk pin p1.9;
#define AD9954_DDSOSK_PORT  (p1.bits.bit19)   //DDS OSK PIN	   p1.9;

#define AD9954_CS_ON AD9954_CS_PORT=1; \
                     IO1PIN=p1.value;
#define AD9954_CS_OFF AD9954_CS_PORT=0; \
                      IO1PIN=p1.value;
#define AD9954_UPDATE_ON AD9954_UPDATE_PORT=1; \
                         IO0PIN=p0.value;
#define AD9954_UPDATE_OFF AD9954_UPDATE_PORT=0; \
                          IO0PIN=p0.value;	
#define AD9954_DDSCR_ON AD9954_DDSCR_PORT=1; \
                        IO0PIN=p0.value;
#define AD9954_DDSCR_OFF AD9954_DDSCR_PORT=0; \
                         IO0PIN=p0.value;	
#define AD9954_DDSSYN_ON AD9954_DDSSYN_PORT=1; \
                        IO0PIN=p0.value;
#define AD9954_DDSSYN_OFF AD9954_DDSSYN_PORT=0; \
                         IO0PIN=p0.value;
#define AD9954_DDSCLK_ON AD9954_DDSCLK_PORT=1; \
                        IO0PIN=p0.value;
#define AD9954_DDSCLK_OFF AD9954_DDSCLK_PORT=0; \
                        IO0PIN=p0.value;	
#define AD9954_DDSSDI_ON AD9954_DDSSDI_PORT=1; \
                         IO1PIN=p1.value;
#define AD9954_DDSSDI_OFF AD9954_DDSSDI_PORT=0; \
                        IO1PIN=p1.value;
/*****************Add osk pin controlling***********************************/
#define AD9954_DDSOSK_ON  AD9954_DDSOSK_PORT=1; \
                        IO1PIN=p1.value;
#define AD9954_DDSOSK_OFF AD9954_DDSOSK_PORT=0; \
                      IO1PIN=p1.value;	 
//-------------Software define----------------------//
#define AD9954_PLL_MULTIPLE	6
#define AD9954_CLOCK	20*100000*6  
//-------------Extern Function----------------------//
//extern int set_ad9954_pll( int mult)			;
extern void AD9954_init(void)		   ;
extern int set_frequency(int chan,double freq)		   ;
extern int set_phase(int chan,double pha)		  ;
extern void write_CFR1(unsigned char w1,unsigned char w2,unsigned char w3,unsigned char w4)					  ;
extern void write_FTW0(unsigned char w1,unsigned char w2,unsigned char w3,unsigned char w4)					   ;
extern void write_CFR2(unsigned char w1,unsigned char w2,unsigned char w3)				 ;
extern void write_ASF(unst16 w1,unst16 w2);
extern void write_POW0(unst16 w1,unst16 w2);
#endif //edif __ad9954_h__