dts_drv.c

PLL的资料文档,包括资料

/*C**************************************************************************
* NAME:         dts_drv.c
*----------------------------------------------------------------------------
* Copyright (c) 2006 Atmel.
*----------------------------------------------------------------------------
* RELEASE:      C51 Sample      
* REVISION:     1.00     
*----------------------------------------------------------------------------
*
*****************************************************************************/
#include "system\reg51.h"
#include "system\compiler.h"
#include "driver\dts_drv.h"                      /* scheduler definition */
#include "driver\io_def.h"

/*F**************************************************************************
* NAME: dts_In1mode
*----------------------------------------------------------------------------
* PARAMS:
* dts_In1mode
* return:
*----------------------------------------------------------------------------
* PURPOSE: 
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE:
*----------------------------------------------------------------------------
* REQUIREMENTS:
*****************************************************************************/

/*
void radio_init()
{
	Byte i;
	for (i=0;i<6;i++)
	{
	   WriteData[i]=0;
	}
	 if(Band ==RADIO_BAND_FM)
	 {
													// 8bit :(H)SNS DVS CTE XS RO R1 R2 R3(L)
	 // bit :(H) R3 R2 R1 R0 XS CTE DVS SNS (L) ZHUQIAO
	 // 0001 $ 0010b
		WriteData[2] = 0x12; //0001=>ref=50//0011=>ref=25    FM: SNS DVS :* 1;COUNTER RESET: CTE=0; 4.5MHZ XS=0; PLL_FREQ 50KHZ R0R1R2R3=1100;	
														//(H)IOC1 IOC2 IO1 IO2 BO1 BO2 BO3 BO4(L)
	// (H) BO4 BO3 BO2 BO1 IO2 IO1 IOC2 IOC1 (L)
	// 1010 $ 0011b
		WriteData[3] = 0xa3;  
														//(H)BO5 DOC0 DOC1 DOC2 UL0 UL1 DZ0 DZ1(L)
	// (H) DZ1 DZ0 UL1 UL0 DOC2 DOC1 DOC0 BO5 (L)
	//  1111 $ 0100b
		WriteData[4] = 0xf4; 
    													//(H)GT0 GT1 TBC DLC IFS TEST0 TEST1 TEST2(L)
	// (H) TEST2 TEST1 TEST0 IFS DLC TBC GT1 GT0 (L)
	//  0001 $ 0000b
		WriteData[5] = 0x10;  //GT=4ms 
	 }
	 else
	 if(Band ==RADIO_BAND_AM)
	 {
	 // bit :(H) R3 R2 R1 R0 XS CTE DVS SNS (L) ZHUQIAO
	 // 1000 $ 0000b
		WriteData[2] = AM_WRITE_2;  //0x80 ref=10khz//0x90 ref=9k  wM: SNS DVS :00;COUNTER RESET: CTE=0; 4.5MHZ XS=0; PLL_FREQ=10KHZ R0R1R2R3=0001;	
	// (H) BO4 BO3 BO2 BO1 IO2 IO1 IOC2 IOC1 (L)
	// 1001 $ 0011b
		WriteData[3] = 0x93;  
	// (H) DZ1 DZ0 UL1 UL0 DOC2 DOC1 DOC0 BO5 (L)
	//  1111 $ 0100b	
		WriteData[4] = 0xf4;  
	// (H) TEST2 TEST1 TEST0 IFS DLC TBC GT1 GT0 (L)
	//  0001 $ 0000b	
		WriteData[5] = 0x10;  //GT=4ms 
	 }
}

*/


void dts_In1mode (void)
{
	DTS_CE = 0;
	getByteLSB(0x28);
	DTS_CE = 1;
	getByteLSB(DTS_buffer[0]);
	getByteLSB(DTS_buffer[1]);
	getByteLSB(DTS_buffer[2]);
	DTS_CE = 0;

}

/*F**************************************************************************
* NAME: dts_In2mode
*----------------------------------------------------------------------------
* PARAMS:
* dts_In1mode
* return:
*----------------------------------------------------------------------------
* PURPOSE: 
*----------------------------------------------------------------------------
* EXAMPLE:
*----------------------------------------------------------------------------
* NOTE:
*----------------------------------------------------------------------------
* REQUIREMENTS:
*****************************************************************************/

void dts_In2mode (void)
{
	DTS_CE = 0;
	getByteLSB(0x29);
	DTS_CE = 1;
	getByteLSB(DTS_buffer[3]);
	getByteLSB(DTS_buffer[4]);
	getByteLSB(DTS_buffer[5]);
	DTS_CE = 0;

}