#ifndef	__RADIO_KIT_RDA5820_H__
#define	__RADIO_KIT_RDA5820_H__

#define		F_CPU	600000UL	// 600kHz

#include <util/delay.h>

#define		NOP		asm volatile("nop\n"::)
#define		WDR		asm volatile("wdr\n"::)
#define		SLEEP	asm volatile("sleep\n"::)

typedef	unsigned char	uchar;
typedef	unsigned int	uint;
typedef unsigned short	ushort;
typedef	unsigned long	ulong;

#define	SW_UP	4
#define	SW_DN	3
//#define	LED		2
#define	SCL		1
#define	SDA		0
#define	CE		2

#define	SWON_UP	0x01
#define	SWON_DN	0x02

#define	UP		0
#define	DOWN	1

#define	SCL_H	(DDRB &= ~(1<<SCL))
#define	SCL_L	(DDRB |=  (1<<SCL))
#define	SDA_H	(DDRB &= ~(1<<SDA))
#define	SDA_L	(DDRB |=  (1<<SDA))
#define	WAIT_SCL_H	while(!(PINB & (1<<SCL)))

#define	EEPROM_FREQ		(uint16_t *)0

void RDA5820_RX_Intialization(void);
void 	init_fm_chip(void);
ushort	seek(uchar updown);
void	set_freq(ushort freq);
void	set_Volume(uchar vol);
void	wait_stc(void);

void	TWI_start(void);
void	TWI_send(uchar data);
uchar	TWI_recv(uchar ack);
void	TWI_stop(void);

void	wait_timer(uchar tm);

#endif	// __RADIO_KIT_RDA5820_H__