halhy1418.h

来自「威望公司MP3 + USB MCU 的参考软件」· C头文件 代码 · 共 53 行

/****************************************************************
*                      Viaon Technology (Suzhou) Co.,Ltd
*
*    Copyright 2007, Viaon Technology (Suzhou) Co.,Ltd,Suzhou,China
*                    All rights reserved.
*
*
* Filename:      	halhy1418.h
*
* Programmer:    	Greg
*
* Created: 	 	1/2/2008
*
* Description: 		public functions 
*              
*        
* Change History (most recent first):	2008.1.2
****************************************************************/
#ifndef _HAL_HY_1418_H_
#define _HAL_HY_1418_H_
#include "utiltypedef.h"
#include "va4010reg.h"
#if(FM_TRANS_MODULE == FM_TRANS_HY1418)

//spi clock cycle: > 100ns
#define SPI_CLK_TIME 		100  // clock cycle about 30us

//Frequency: 87MHz -> 108MHz, Step: 0.1MHz
#define FM_FREQ_BASE		875 	//UNIT: 1KHz
#define FM_FREQ_DEFAULT	875
#define FM_FREQ_MAX 		1080
#define FM_FREQ_STEP	 	1

//#define FM_CHIDX_MAX		204
//fmidx: 0 ~ 203, just count from zero
#define FM_CHIDX_MAX		(FM_FREQ_MAX - FM_FREQ_BASE)
#define FM_CHIDX_DEFAULT	0
//#define FM_LEVEL_MAX		FM_CHIDX_MAX
#define FM_CHIDX_INVALID		0XFF

/////////////////////////////
void halFMSet(BYTE byChIdx);
void halFMUp(void);
void halFMDown(void);

WORD halFMGetFreq(void);
BYTE halFMGetIdx(void);
BYTE halFMFreq2Idx(WORD wFreq);

#endif

#endif