pcf8563.txt

PCF8563的各个功能的源程序,包括报警,设时

unsigned char pcf8563_init(void);
unsigned char pcf8563_receive(unsigned char pcf8563_address);
void pcf8563_set_alarm(void);
void pcf8563_set_clockout(void);
void pcf8563_settime(void);

unsigned char pcf8563_init(void) //PCF8563初始化函数程序，用于检测系统的初始状态

{
  unsigned char pcf8563_cor;
  pcf8563_cor=pcf8563_receive(0x00);
  return (pcf8563_cor);
}
	
void pcf8563_settime(void)//PCF8563设定时间函数程序
{        
        i2c_start ();
        i2c_send_data (0xa2);
       
        i2c_wait_ack ();
       
        i2c_send_data (0x00);
        i2c_wait_ack ();
        
        
        i2c_send_data (0x00);//c1
        i2c_wait_ack ();
        
        i2c_send_data (0x12);//c2
        i2c_wait_ack ();
        i2c_send_data (0x00);//s
        
        i2c_wait_ack ();
        i2c_send_data (0x38);//m
        
        i2c_wait_ack ();
        i2c_send_data (0x07);//h
        
        i2c_wait_ack ();
        i2c_send_data (0x14);//d
        
        i2c_wait_ack ();
        i2c_send_data (0x03);//w
        
        i2c_wait_ack ();
        i2c_send_data (0x05);//moon
        
        i2c_wait_ack ();
        i2c_send_data (0x08);//year
        
        i2c_wait_ack ();
        
        
        i2c_stop();
 }       
        
 void pcf8563_set_alarm(void) //PCF8563设定报警时间函数程序
{       
        
        i2c_start ();///restar
        i2c_send_data (0xa2);
        i2c_wait_ack ();
        
        i2c_send_data (0x09);
        i2c_wait_ack ();
        
        i2c_send_data (0x32);//mb
        
        i2c_wait_ack ();
        i2c_send_data (0x08);//hb
        
        i2c_wait_ack ();
        i2c_send_data (0x08);//db
        
        i2c_wait_ack ();
        i2c_send_data (0x03);//wb
        
        i2c_wait_ack ();
	i2c_stop();
}
void pcf8563_set_clockout(void) //PCF8563设定clock引脚输出频率函数程序
{
	i2c_start ();///restar
        i2c_send_data (0xa2);
        i2c_wait_ack ();
	i2c_send_data (0x0d);
        i2c_wait_ack ();
        i2c_send_data (0x83);//0d  clock
       
        i2c_wait_ack();
        
       i2c_stop();
}
unsigned char pcf8563_receive(unsigned char pcf8563_address) //从PCF8563接收数据函数程序
{
        unsigned char pcf8563_data;
        i2c_start ();
        i2c_send_data (0xa2);
        i2c_wait_ack ();
        
        
        
        i2c_send_data (pcf8563_address);
        i2c_wait_ack ();
        
        
        i2c_start ();
        i2c_send_data (0xa3);
        i2c_wait_ack ();
        
        pcf8563_data=i2c_receive_data();
        i2c_send_ack ();
        i2c_stop();
        return (pcf8563_data);
}