bsp.h

at91sam9263 for rtc,其中rtc是npx公司的pcf8563

#include "at91sam9263.h"


struct rtc_time {
	int tm_sec;
	int tm_min;
	int tm_hour;
	int tm_mday;
	int tm_mon;
	int tm_year;
	int tm_wday;
	int tm_yday;
	int tm_isdst;
};


#define AT91C_MASTER_CLOCK  100000000
#define AT91C_TWI_CLOCK		10000

#define TWI_OK	0

#define CFG_I2C_RTC_ADDR    0xa2

extern int AT91F_TWI_Write(const AT91PS_TWI, char,int, unsigned char *, int );
extern int AT91F_TWI_Read(const AT91PS_TWI, char,int, char *, int );
extern void AT91F_TWI_Init(void); 
extern unsigned char i2c_reg_read(char slave, char reg);
extern void i2c_reg_write(char slave, char reg, unsigned char val);
extern void RTC_Get (struct rtc_time *);
extern void RTC_Set (struct rtc_time *);
extern void RTC_Reset(void);
extern void putk(char *fmt,...);
extern void AT91F_PIO_CfgPeriph(
	        AT91PS_PIO pPio,             // \arg pointer to a PIO controller
	        unsigned int periphAEnable,  // \arg PERIPH A to enable
	        unsigned int periphBEnable);  // \arg PERIPH B to enable