halas6001a.h

威望公司MP3 + USB MCU 的参考软件

/****************************************************************
*                      Viaon Technology (Suzhou) Co.,Ltd
*
*    Copyright 2007, Viaon Technology (Suzhou) Co.,Ltd,Suzhou,China
*                    All rights reserved.
*
*
* Filename:      	halas6001a.h
*
* Programmer:    	Greg
*
* Created: 	 	1/2/2008
*
* Description: 		public functions 
*              
*        
* Change History (most recent first):	2008.1.2
****************************************************************/
#ifndef __AS6001A_H__
#define __AS6001A_H__

#include "utiltypedef.h"
#include "va4010reg.h"

#if (FM_TRANS_MODULE == FM_TRANS_AS6001A)

#define SPI_TEST_AS6001A		0		// 1 for debug, 0 for product OTP

//0:input, 1:output
#if(BOARD_ID == EVB_V1)

#define SPI_DAT_OUT()		(P1_DDR|=0x04)
#define SPI_CLK_OUT()		(P1_DDR|=0x02)
#define SPI_EN1_OUT()		(P1_DDR|=0x01)
#define SPI_DAT_IN()			(P1_DDR&=(~0x04))
sbit SPI_EN1	= P1^0;  //Direction: out, negative, Default:1
sbit SPI_CLK	= P1^1;	//Direction: out, Default:0
sbit SPI_DAT	= P1^2;  //Direction: in/out, Default:x

#elif(BOARD_ID == HZ_090)

#define SPI_CLK_OUT()		(P2_DDR|=0x02)
#define SPI_EN1_OUT()		(P2_DDR|=0x01)
#define SPI_DAT_OUT()		(P2_DDR|=0x04)
#define SPI_DAT_IN()			(P2_DDR&=(~0x04))

sbit SPI_CLK	= P2^1;
sbit SPI_DAT	= P2^2;
sbit SPI_EN1	= P2^0;

#else
#define SPI_CLK_OUT()		(P2_DDR|=0x02)
#define SPI_EN1_OUT()		(P2_DDR|=0x01)
#define SPI_DAT_OUT()		(P2_DDR|=0x04)
#define SPI_DAT_IN()			(P2_DDR&=(~0x04))

sbit SPI_CLK	= P2^1;
sbit SPI_DAT	= P2^2;
sbit SPI_EN1	= P2^0;
#endif

//spi clock cycle: > 200ns
#define SPI_CLK_TIME 		8  // clock cycle about 30us

//Frequency: 87MHz -> 108MHz, Step: 0.1MHz
#define FM_FREQ_BASE		870 	//UNIT: 1KHz
#define FM_FREQ_MAX 			1080
#define FM_FREQ_STEP	 	1

#define FM_CHIDX_MAX		211
#define FM_LEVEL_MAX		FM_CHIDX_MAX
#define FM_CHIDX_INVALID		0XFF
#define FM_CHIDX_DEFAULT	0

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

WORD halFMGetFreq(void);
BYTE halFMGetIdx(void);
BYTE halFMFreq2Idx(WORD wFreq);
#if 0
void halSPITest(void);
#endif

#endif
#endif