hal80110c.h

威望公司MP3 + USB MCU 的参考软件

#ifndef __HAL80110C_H__
#define __HAL80110C_H__
#include "utiltypedef.h"
#include "va4010reg.h"
#if (FM_TRANS_MODULE == FM_TRANS_80110C)

#if(FM_TRANS_MODULE == FM_TRANS_80110C)
#define OTHER_FM_FREQ 	0x00
#define JAPAN_FM_FREQ	0x01
#define AREA_FM_FREQ 	OTHER_FM_FREQ
#endif

/*
The 80110C device is a low cost and low power stereo FM radio frequency transmitter
IC for global FM radio band.
*/
#define SPI_TEST_80110C		0		// 1 for debug, 0 for product OTP

//0:input, 1:output
#if(BOARD_ID == EVB_V1)//p1^0 en; p1^1 clk p1^2 data
#define SPI_DAT_OUT()		(P1_DDR|=0x04)
#define SPI_CLK_OUT()		(P1_DDR|=0x02)
#define SPI_EN0_OUT()		(P1_DDR|=0x01)
#define SPI_DAT_IN()			(P1_DDR&=(~0x04))
sbit SPI_EN0= 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_103)
#define SPI_CLK_OUT()		(P2_DDR|=0x02)
#define SPI_EN0_OUT()		(P2_DDR|=0x04)
#define SPI_DAT_OUT()		(P2_DDR|=0x08)
#define SPI_DAT_IN()			(P2_DDR&=(~0x08))

sbit SPI_CLK	= P2^1;
sbit SPI_EN0	= P2^2;
sbit SPI_DAT	= P2^3;
#endif

//spi clock cycle: > 100ns
#define SPI_CLK_TIME 	4  // clock cycle about 30us

#if(AREA_FM_FREQ == JAPAN_FM_FREQ)
//Frequency: 76MHz -> 90MHz, Step: 0.1MHz
#define FM_FREQ_BASE		760 	//UNIT: 1KHz
#define FM_FREQ_MAX 		900
#define FM_FREQ_STEP	 	1
#define FM_CHIDX_MAX		(FM_FREQ_MAX - FM_FREQ_BASE)
#else
//Frequency: 87MHz -> 1080MHz, Step: 0.1MHz
#define FM_FREQ_BASE		870
#define FM_FREQ_DEFAULT	870
#define FM_FREQ_MAX 		1080
#define FM_FREQ_STEP	 	1
#define FM_CHIDX_MAX		(FM_FREQ_MAX - FM_FREQ_BASE)
#endif

//#define FM_CHIDX_MAX		FM_CHIDX_MAX
#define FM_CHIDX_MIN		0
#define FM_CHIDX_DEFAULT	0
#define FM_CHIDX_INVALID	0XFF
#define FM_STEP_1M 			0x0A

/////////////////////////////
//Input Param.: channel index
//Operation: get the frequency from channel index, and set the frequency.
void halFMSet(BYTE byChIdx);
void halFMUp(void);
void halFMDown(void);

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

////////////////////////////
#if 0
void halSPITest(void);
#endif

#endif

#endif