9954.h

2005年全国大学生电子设计大赛 频谱仪 题 源代码。作品获国家一等奖

#ifndef __9954_H__
#define __9954_H__

#define IO_UPDATE   P1_0
#define IO_PS0      P1_1
#define IO_PS1      P1_2
#define IO_SYNC     P1_3
#define IO_OSK1     P1_4
#define IO_SDIO     P1_5
#define IO_SCLK     P1_7
#define IO_OSK2     P3_2
#define IO_CS0      P3_4
#define IO_CS1      P3_5


#define AD9954_CFR1  0x00
#define AD9954_CFR2  0x01
#define AD9954_ASF   0x02
#define AD9954_ARR   0x03
#define AD9954_FTW0  0x04
#define AD9954_POW   0x05
#define AD9954_FTW1  0x06
#define AD9954_RSCW0 0x07
#define AD9954_RSCW1 0x08
#define AD9954_RSCW2 0x09
#define AD9954_RSCW3 0x0a
#define AD9954_NLSCW 0x07
#define AD9954_PLSCW 0x08


void DDS_Ini();
void ddsSetCFR1 (unsigned long int cfr1);
void ddsSetCFR2 (unsigned long int cfr2);
void ddsSetASF (unsigned int asf);
void ddsSetARR (unsigned char arr);
void ddsSetFTW1 (unsigned long int ftw);
void ddsSetFTW0 (unsigned long int ftw);
void ddsSetPOW (unsigned int pow);
void ddsSetSwpN(unsigned long delta,unsigned char rate);
void ddsSetSwpP(unsigned long delta,unsigned char rate);
void delaya(unsigned int dly);
void SPI_Setup(void);
unsigned int SPI_Read();
void SPI_Write(unsigned char x)	;
void initUart(void);
void FM(unsigned int mfrq,unsigned char band,unsigned long fc);
void ddsPD();
void ddsSetRAM (unsigned long int ram);
 void ddsSetRAMS(unsigned char ram[]);




#endif