AD9854STM32驱动.doc

#include #include sys.h#include delay.h#define AD9854_DATA GPIOC-ODR#define AD9854_ADDR GPIOC-ODR#define ad9854_reset PBout(12)#define ad9854_rd PBout(13)#define ad9854_wr PBout(14)#define ad9854_updata PBout(15)unsigned char ControlRegister=0x14,0x4f,0x00,0x60; /AD9852控制寄存器初始值，Mode 0unsigned char FTW=0x00,0x00,0x37,0xec; /Frequency Tuning Word 1 倍频300MHz后输出频率对应的FTW值unsigned char PAR=0x00,0x00; /Phase Adjust Register 1unsigned char OSK=0x0a,0xff; /Output shaped keying multiplier, 650mvvoid single_wave(unsigned long int fre);void Init_AD9854(void);void AD9854_Set_Mode0(void);void AD9852_Send(unsigned char addr,unsigned char data);void change_frequency(unsigned long int fre_temp);void Init_Port(void);int main( void )Stm32_Clock_Init(9);/ 9倍频delay_init(72);/ 72M晶振时延时delay_ms(200);Init_Port();Init_AD9854();single_wave(1000000); while(1); void Init_Port(void)RCC-APB2ENR |= 1CRH &= 0x0000ffff ;GPIOB-CRH |= 0x33330000 ;GPIOB-ODR |= 0xf000 ;RCC-APB2ENR |= 1CRL &= 0x00000000 ;GPIOC-CRL |= 0x33333333 ;GPIOC-CRH &= 0x00000000 ;GPIOC-CRH |= 0x33333333 ;GPIOC-ODR |= 0xffff ;void AD9852_Send(unsigned char addr,unsigned char data) /按照并行输入时序ad9854_wr = 1;/ AD9854_WR_SET; AD9854_ADDR &= 0x00ff|addr8;AD9854_ADDR |= 0xff00&addr0;i-)AD9852_Send(addr,ControlRegister4-i);addr+;void AD9854_Set_Mode0(void) /Mode 0 设置unsigned char addr;unsigned char counter; for(addr=0x00,counter=2;counter0;counter-)/设置Phase Adjust Register 1AD9852_Send(addr,PAR2-counter);addr+; for(addr=0x04,counter=4;counter0;counter-)/设置Frequency Tuning Word 1AD9852_Send(addr,FTW4-counter);addr+; for(addr=0x21,counter=2;counter0;counter-)/设置Output shaped keying multiplierAD9852_Send(addr,OSK2-counter);addr+; void single_wave(unsigned long int fre)unsigned char addr,i;unsigned long int ff;unsigned char *p;ff=(unsigned long int)(4294967296*fre/300000000); p=(unsigned char*)&ff; for(addr=0x04,i=0;i4;i+) /设置Frequency Tuning Word 1AD9852_Send(addr,*(p+3-i); addr+; for(addr=0x00,i=0;i0;i-) /设置Output shaped keying multiplierAD9852_Send(addr,OSK2-i);addr+; void change_frequency(unsigned long int fre_temp)unsigned char addr,counter;unsigned char *p;p=(unsigned char*)&fre_t