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/***********************************************************************************************
文件：ADF4370.H
作者：沨
用途：集成鎖相環ADF4360-7控制程序
MCU： MSP430F149 晶振：8MHz
編譯器：IAR Ror MSP430 5.10
硬件：2011_10_06
說明：
日期：下午 02:56 2011-12-5
***********************************************************************************************/
#define uchar unsigned char
#define uint unsigned int
#define PLL_SET_CE() P5OUT |= BIT0 //P5.0->CE
#define PLL_CLR_CE() P5OUT &=~BIT0
#define PLL_SET_DATA() P5OUT |= BIT1 //P5.1->DATA
#define PLL_CLR_DATA() P5OUT &=~BIT1
#define PLL_SET_DATA_OUT() P5DIR |= BIT1
#define PLL_SET_DATA_IN() P5DIR &=~BIT1
#define PLL_DATA_IN (P5IN & BIT1)
#define PLL_SET_SCL() P5OUT |= BIT3 //P5.3->SCL
#define PLL_CLR_SCL() P5OUT &=~BIT3
#define PLL_SET_LE() P5OUT |= BIT4 //P5.4->LE
#define PLL_CLR_LE() P5OUT &=~BIT4
#define PLL_LD_IN (P5IN & BIT5)
#define PLL_IO_SET P5DIR = 0xDB; //PLL端口配置
//===========================變量定義=======================================
/*-------------------------------------400MHz---------------------------------------------
----------------------------------------------------------------------------------------*/
unsigned char CONTROL_LATCH[3] ={0x0F,0xF1,0x20};
unsigned char N_COUNTER_LATCH[3] ={0x00,0x0A,0X02};
unsigned char R_COUNTER_LATCH[3] ={0x30,0x00,0x09};
void delay (unsigned int length)
{
while (length >0)
length--;
}
//--------------------------------------------------------------------------------
void DelaymS(uint ms)
{
uint i;
while(ms--)
{
for(i=1;i<(uint)(8*143-2);i++)
;
}
}
//---------------------------------
//void WriteToADF4350(unsigned char count,unsigned char *buf);
//---------------------------------
//Function that writes to the ADF4350 via the SPI port. 函數，該函數通過SPI端口寫入ADF4350。
//--------------------------------------------------------------------------------
void WriteToADF4360(unsigned char count, unsigned char *buf)
{
unsigned char ValueToWrite = 0;
unsigned char i = 0;
unsigned char j = 0;
PLL_SET_DATA_OUT();
delay(10);
PLL_CLR_SCL();
PLL_CLR_LE();
delay(10);
for(i=0;i<count;i++)
{
ValueToWrite = *(buf + i);
for(j=0; j<8; j++)
{
if(0x80 == (ValueToWrite & 0x80))
{
PLL_SET_DATA(); //Send one to SDO pin
}
else
{
PLL_CLR_DATA(); //Send zero to SDO pin
}
delay(10);
PLL_SET_SCL();
delay(10);
ValueToWrite <<= 1; //Rotate data
PLL_CLR_SCL();
}
}
PLL_CLR_DATA();
delay(10);
PLL_SET_LE();
delay(10);
PLL_CLR_LE();
}
//---------------------------------
//void ReadFromADF4350(unsigned char count,unsigned char *buf)從ADF4350讀取
//---------------------------------
//Function that reads from the ADF4350 via the SPI port. 該函數通過SPI端口從ADF4350中讀取數據。
//--------------------------------------------------------------------------------
void ReadFromADF4360(unsigned char count, unsigned char *buf)
{
unsigned char i = 0;
unsigned char j = 0;
unsigned int iTemp = 0;
unsigned char RotateData = 0;
PLL_SET_DATA_IN();
delay(1);
PLL_CLR_SCL();
PLL_CLR_LE();
delay(1);
for(j=0; j<count; j++)
{
for(i=0; i<8; i++)
{
RotateData <<= 1; //Rotate data
delay(1);
iTemp = PLL_DATA_IN; //Read DATA of ADF4350
PLL_SET_SCL();
if(iTemp)
{
RotateData |= 1;
}
delay(1);
PLL_CLR_SCL();
}
*(buf + j)= RotateData;
}
delay(1);
PLL_SET_LE();
delay(1);
PLL_CLR_LE();
}
void PLL_set_frq (void)
{ DelaymS(20);
PLL_SET_CE();
WriteToADF4360(3,R_COUNTER_LATCH);
WriteToADF4360(3,CONTROL_LATCH); //
DelaymS(50); //需大于10mS
WriteToADF4360(3,N_COUNTER_LATCH); //
}

復制代碼

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