#include "board.h"
#define IIC2_READ_SDA gpio_pin_get_val(SDA_PIN)
#define SDA_1 gpio_pin_set(SDA_PIN)
#define SCL_1	gpio_pin_set(SCL_PIN)

#define  PCA9555_SLA             (0x40 >> 1)                 //  ¶¨ÒåPAC9555µÄÆ÷¼þµØÖ·    
#define  PCA9555_REG_IN0         0x00                        //  ¶¨ÒåÊäÈë¼Ä´æÆ÷0µØÖ·    
#define  PCA9555_REG_IN1         0x01                        //  ¶¨ÒåÊäÈë¼Ä´æÆ÷1µØÖ·    
#define  PCA9555_REG_OUT0        0x02                        //  ¶¨ÒåÊä³ö¼Ä´æÆ÷0µØÖ·    
#define  PCA9555_REG_OUT1        0x03                        //  ¶¨ÒåÊä³ö¼Ä´æÆ÷1µØÖ·    
#define  PCA9555_REG_POL0        0x04                        //  ¶¨Ò弫ÐÔ·´×ª¼Ä´æÆ÷0µØÖ·    
#define  PCA9555_REG_POL1        0x05                        //  ¶¨Ò弫ÐÔ·´×ª¼Ä´æÆ÷1µØÖ· 
#define  PCA9555_REG_CFG0        0x06                        //  ¶¨Òå·½ÏòÅäÖüĴæÆ÷0µØÖ·    
#define  PCA9555_REG_CFG1        0x07                        //  ¶¨Òå·½ÏòÅäÖüĴæÆ÷1µØÖ·      
#define  PCA9555_DEVICE_ADDR     0x40                        //  ¶¨ÒåPCA9555µØÖ· 
#define SDA_0 gpio_pin_clr(SDA_PIN)
#define SCL_0	gpio_pin_clr(SCL_PIN)
void IIC_gpio_pca_init(void);
void IIC2_pca_Start(void);
void IIC_pca_Ready(void);
void IIC2_pca_Stop(void);
uint8_t IIC2_Wait_pca_Ack(void);
void IIC2_pca_send_Ack(void);
void IIC2_pca_send_NAck(void);
void IIC2_Send_pca_Byte(uint8_t txd);
uint8_t IIC2_Read_pca_Byte(unsigned char ack);
void IIC_Write_Pca9555(unsigned char addr,unsigned char reg_addr,unsigned char low_byte,unsigned char high_byte);
void IIC_Read_Pca9555(uint8_t addr,uint8_t reg_addr,uint8_t* pBuffer,uint16_t num);
void PCA9555_write_output_port_data(unsigned char addr,unsigned char data_L,unsigned char data_H);
void PCA9555_write_config_port_data(unsigned char addr,unsigned char data_L,unsigned char data_H);
void PCA9555_readdata(unsigned char addr,unsigned char* pBuffer);
void PCA9555_Set_All_Output(unsigned char value);
void PCA9555_Set_One_Value_Output(unsigned char num,unsigned char value);
void PCA9555_Set_One_Value_Config(unsigned char num,unsigned char value) ;
void PCA9555_init();