0904_BOOT/BSP/AT24C128.h

#ifndef AT24C128_H
#define AT24C128_H
#include "gd32f10x.h"

//IIC1
//#define IIC_WP_PORT     GPIOE
//#define IIC_WP_PIN			GPIO_PIN_14

#ifdef TY_0904
#define IIC_WP_PORT     GPIOD
#define IIC_WP_PIN			GPIO_PIN_8

#define IIC_SDA_PORT    GPIOB
#define IIC_SDA_PIN			GPIO_PIN_11

#define IIC_SCL_PORT		GPIOB
#define IIC_SCL_PIN     GPIO_PIN_10

//https://blog.csdn.net/fireboyorhotboy/article/details/92645607
//#define SDA_IN()    {gpio_init(IIC_SDA_PORT,GPIO_MODE_IPD,GPIO_OSPEED_50MHZ,IIC_SDA_PIN);}
//#define SDA_OUT()	{gpio_init(IIC_SDA_PORT,GPIO_MODE_OUT_OD,GPIO_OSPEED_50MHZ,IIC_SDA_PIN);}
#define SDA_IN()  {GPIO_CTL1(GPIOB) &= 0xFFFF0FFF;GPIO_CTL1(GPIOB) |= ((uint32_t)8<<(4*3));} //PB11 输入模式
#define SDA_OUT() {GPIO_CTL1(GPIOB) &= 0xFFFF0FFF;GPIO_CTL1(GPIOB) |= ((uint32_t)7<<(4*3));} //PB11 输出模式,开漏输出

#define IIC_SCL(n) (n?gpio_bit_set(IIC_SCL_PORT, IIC_SCL_PIN):gpio_bit_reset(IIC_SCL_PORT, IIC_SCL_PIN))
#define IIC_SDA(n) (n?gpio_bit_set(IIC_SDA_PORT, IIC_SDA_PIN):gpio_bit_reset(IIC_SDA_PORT, IIC_SDA_PIN))

#define READ_SDA   gpio_input_bit_get(IIC_SDA_PORT, IIC_SDA_PIN)  //输入SDA 

#else

#define IIC_WP_PORT     GPIOB
#define IIC_WP_PIN			GPIO_PIN_5

#define IIC_SDA_PORT    GPIOB
#define IIC_SDA_PIN			GPIO_PIN_7

#define IIC_SCL_PORT		GPIOB
#define IIC_SCL_PIN     GPIO_PIN_6

//https://blog.csdn.net/fireboyorhotboy/article/details/92645607
//#define SDA_IN()    {gpio_init(IIC_SDA_PORT,GPIO_MODE_IPD,GPIO_OSPEED_50MHZ,IIC_SDA_PIN);}
//#define SDA_OUT()	{gpio_init(IIC_SDA_PORT,GPIO_MODE_OUT_OD,GPIO_OSPEED_50MHZ,IIC_SDA_PIN);}
#define SDA_IN()  {GPIO_CTL0(GPIOB) &= 0x0FFFFFFF;GPIO_CTL0(GPIOB) |= ((uint32_t)8<<(4*7));} //PB11 输入模式
#define SDA_OUT() {GPIO_CTL0(GPIOB) &= 0x0FFFFFFF;GPIO_CTL0(GPIOB) |= ((uint32_t)7<<(4*7));} //PB11 输出模式,开漏输出

#define IIC_SCL(n) (n?gpio_bit_set(IIC_SCL_PORT, IIC_SCL_PIN):gpio_bit_reset(IIC_SCL_PORT, IIC_SCL_PIN))
#define IIC_SDA(n) (n?gpio_bit_set(IIC_SDA_PORT, IIC_SDA_PIN):gpio_bit_reset(IIC_SDA_PORT, IIC_SDA_PIN))

//#define IIC_SCL_HIGH 	gpio_bit_set(IIC_SCL_PORT, IIC_SCL_PIN)
//#define IIC_SCL_LOW 	gpio_bit_reset(IIC_SCL_PORT, IIC_SCL_PIN)
//#define IIC_SDA_HIGH 	gpio_bit_set(IIC_SDA_PORT, IIC_SDA_PIN)
//#define IIC_SDA_LOW 	gpio_bit_reset(IIC_SDA_PORT, IIC_SDA_PIN)
#define READ_SDA   gpio_input_bit_get(IIC_SDA_PORT, IIC_SDA_PIN)  //输入SDA 
#endif


//IIC1
//#define IIC_WP_PORT     GPIOB
//#define IIC_WP_PIN			GPIO_Pin_5

//#define IIC_SDA_PORT    GPIOB
//#define IIC_SDA_PIN			GPIO_Pin_7

//#define IIC_SCL_PORT		GPIOB
//#define IIC_SCL_PIN     GPIO_Pin_6

//#define SDA_IN()  {GPIOB->CRL&=0X0FFFFFFF;GPIOB->CRL|=(u32)8<<28;}	//PB7输入模式,(7-0)*4=28
////#define SDA_OUT() {GPIOB->CRL&=0X0FFFFFFF;GPIOB->CRL|=(u32)3<<28;}  //PB7输出模式,(7-0)*4=28 //推挽输出
//#define SDA_OUT() {GPIOB->CRL&=0X0FFFFFFF;GPIOB->CRL|=(u32)7<<28;}  //PB7输出模式,(7-0)*4=28 //开漏输出

//#define IIC_SCL    PBout(6) //SCL
//#define IIC_SDA    PBout(7) //SDA	
//#define READ_SDA   PBin(7)  //输入SDA 
////////////////////////////////////////////////////////////////////////////////////////////


#define HIGH    1
#define LOW     0
#define PinInput   1
#define PinOutput  0

//写保护,低电平关闭，可以写入；高电平打开，不能写入
#define IIC_WRITE_PROTECT_ENABLE()   {gpio_bit_set(IIC_WP_PORT, IIC_WP_PIN);}
#define IIC_WRITE_PROTECT_DISABLE()  {gpio_bit_reset(IIC_WP_PORT, IIC_WP_PIN);}


#define E_DELAY	2		// 两个EEPROM命令之间的间隔

extern u8 iic_cmd_delay;

void I2C_init(void);
extern u8 AT24CXX_ReadOneByte(u32 ReadAddr);
extern void AT24CXX_WriteOneByte(u32 WriteAddr,u8 DataToWrite);
extern void AT24CXX_Read(u32 ReadAddr,u8 *pBuffer,u16 NumToRead);
extern void AT24CXX_Write(u32 WriteAddr,u8 *pBuffer,u16 NumToWrite);
extern void AT24CXX_clr(u32 WriteAddr,u32 NumToWrite);

extern void IIC_Start1(void);
void IIC_Stop(void);
u8 IIC_Wait_Ack(void);
void IIC_Ack(void);
void IIC_NAck(void);
void IIC_Send_Byte(u8 txd);
uint8_t I2C_Test(void);

void delay_nop(void);
#define EEPROM_INFO(fmt,arg...)           printf("<<-EEPROM-INFO->> "fmt"\n",##arg)//OTP_TRACE(fmt,##arg)//trace_otp_trace1(uart_msg_send, 4, fmt, ##arg);
#define EEPROM_ERROR(fmt,arg...)          //printf("<<-EEPROM-ERROR->> "fmt"\n",##arg)
#define EEPROM_DEBUG(fmt,arg...)          /*do{\
	                                          if(EEPROM_DEBUG_ON)\
	                                          printf("<<-EEPROM-DEBUG->> [%d]"fmt"\n",__LINE__, ##arg);\
                                          }while(0)*/

#endif