halkt0803.h

威望公司MP3 + USB MCU 的参考软件

#ifndef _HALKT0803_H_
#define _HALKT0803_H_
#include "config.h"
#include "Utiltypedef.h"
#include "common.h"
#define KT_DEVADDR_WR	0x7C
#define KT_DEVADDR_RD	0x7D

#define CH_SEL0		0x00
#define CH_SEL1		0x01
#define SIG_PROC	0x02
#define PA_PWR		0x13

#define FM_FREQ_BASE		875 	//UNIT: 100KHz
#define FM_FREQ_MAX 		1080
#define FM_FREQ_STEP	 	1

#define FM_CHIDX_MAX		(FM_FREQ_MAX-FM_FREQ_BASE+1)
#define FM_LEVEL_MAX		FM_CHIDX_MAX
#define FM_CHIDX_INVALID	0XFF
#define FM_CHIDX_DEFAULT	0

//Take care about the CPU clock
#define WAIT_TIME 	80 
//#define WRITE_DELAY_MS   30
#define I2C_NAK		1
#define I2C_ACK		0

#if(BOARD_ID == EVB_V1)
sbit FM_SDA = P1^6;
sbit FM_SCL = P1^7;
sbit FM_EN = P1^0;
#define FM_SDA_OUTPUT()	(P1_DDR |= 0x40)
#define FM_SDA_INPUT()		(P1_DDR &= 0xBF)
#define FM_SCL_OUTPUT()		(P1_DDR |= 0x80)
#define FM_EN_OUTPUT()		(P1_DDR |= 0x01)
#else
sbit FM_SDA = P2^2;
sbit FM_EN = P2^0;//always be 1
sbit FM_SCL = P2^1;
#define FM_SDA_OUTPUT()	(P2_DDR |= 0x04)
#define FM_SDA_INPUT()		(P2_DDR &= 0xFB)
#define FM_SCL_OUTPUT()		(P2_DDR |= 0x02)
#define FM_EN_OUTPUT()		(P2_DDR |= 0x01)
#endif

void halFMSet(BYTE byChIdx);
//BYTE halFMGet(void);

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

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



#endif