#ifndef INCLUDE_I2C_H_ #define INCLUDE_I2C_H_ //#include "ls1c101.h" #include"test.h" //#include"ls1c102_regapi.h" //#include"stdint.h" #include"ls1x.h" /** * @说明：I2C接口宏定义 * */ typedef struct { volatile uint8_t PRERL; /* 分频值低字节寄存器 */ volatile uint8_t PRERH; /* 分频值高字节寄存器 */ volatile uint8_t CTRL; /* 控制寄存器 */ volatile uint8_t DR; /* 数据寄存器 */ volatile uint8_t CR_SR; /* 命令寄存器 兼 状态寄存器 */ volatile uint8_t BLTOP; /* 总线死锁时间寄存器 */ volatile uint8_t RESERVED0; /* 保留字节 */ volatile uint8_t SADDR; /* 从模式地址寄存器 */ } I2C_TypeDef; #define I2C ((I2C_TypeDef *) I2C_BASE) typedef struct { uint32_t I2C_ClockSpeed; /*!< Specifies the clock frequency. This parameter must be set to a value lower than 400kHz */ uint8_t I2C_Mode; /*!< Specifies the I2C mode. This parameter can be a value of @ref I2C_mode */ uint8_t I2C_OwnAddress1; /*!< Specifies the first device own address. This parameter can be a 7-bit or 10-bit address. */ uint8_t I2C_BuslockCheckEn; /*!< Set the I2C buslock check function*/ uint8_t I2C_SlvAutoresetEn; /*!< Set the I2C autoreset check function*/ }I2C_InitTypeDef; #define IS_I2C_ALL_PERIPH(PERIPH) ((PERIPH) == I2C) #define IS_I2C_CLEAR_FLAG(FLAG) (((FLAG) & 0x01) == 0x01) /** @defgroup I2C_mode * @{ */ #define IS_I2C_CLOCK_SPEED(SPEED) (((SPEED) >= 0x1) && ((SPEED) <= 400000)) #define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= 0x3FF) #define I2C_Mode_Slave ((uint8_t)0x00) #define I2C_Mode_Master ((uint8_t)0x20) #define IS_I2C_MODE(MODE) (((MODE) == I2C_Mode_Slave) || \ ((MODE) == I2C_Mode_Master)) /** * @} */ #define I2C_Buslock_Check_Enable ((uint8_t)0x02) #define I2C_Buslock_Check_Disable ((uint8_t)0x00) #define IS_I2C_BUSLOCK_CHECK_EN(STATE) (((STATE) == I2C_Buslock_Check_Enable) || \ ((STATE) == I2C_Buslock_Check_Disable)) #define I2C_Slv_Autoreset_Enable ((uint8_t)0x01) #define I2C_Slv_Autoreset_Disable ((uint8_t)0x00) #define IS_I2C_SLV_AUTORESET_EN(STATE) (((STATE) == I2C_Slv_Autoreset_Enable) || \ ((STATE) == I2C_Slv_Autoreset_Disable)) /** @defgroup I2C_transfer_direction * @{ */ #define I2C_Direction_Transmitter ((uint8_t)0x00) #define I2C_Direction_Receiver ((uint8_t)0x01) #define IS_I2C_DIRECTION(DIRECTION) (((DIRECTION) == I2C_Direction_Transmitter) || \ ((DIRECTION) == I2C_Direction_Receiver)) #define I2C_ACK ((uint8_t)0x00) #define I2C_NACK ((uint8_t)0x08) #define IS_I2C_ACK(ACK) (((ACK) == I2C_ACK) || ((DIRECTION) == I2C_NACK)) #define I2C_STOP ((uint8_t)0x40) #define I2C_NSTOP ((uint8_t)0x00) #define IS_I2C_STOP(STOP) (((STOP) == I2C_STOP) || ((DIRECTION) == I2C_NSTOP)) /** *@˵���� I2C_STATE_Flags */ #define I2C_STATE_RxACK ((uint8_t)0x80) /* 收到的应答位： 0表示收到应答，1表示收到NACK */ #define I2C_STATE_BUSY ((uint8_t)0x40) /* 总线忙标志 */ #define I2C_STATE_AL ((uint8_t)0x20) /* 失去仲裁：1表示主设备失去总线控制权 */ #define I2C_STATE_Slave_Addressed ((uint8_t)0x10) /* 被寻址：1表示作为从设备时已被寻址成功 */ #define I2C_STATE_Slave_Rw ((uint8_t)0x08) /* 从设备读写：0表示被读 ，1表示被写 */ #define I2C_STATE_Buslock ((uint8_t)0x04) /* 总线死锁：1表示总线出现死锁 */ #define I2C_STATE_TIP ((uint8_t)0x02) /* 传输进行：1表示主设备有效，正在传输 */ #define I2C_STATE_IF ((uint8_t)0x01) /* 中断标志位： 1表示传输完一个字节或主设备失去仲裁 */ /** @defgroup I2C_registers * @{ */ #define IS_I2C_GET_STATUS(I2C_STATUS) (((I2C_STATUS) == I2C_STATE_RxACK)||\ ((I2C_STATUS) == I2C_STATE_BUSY)||\ ((I2C_STATUS) == I2C_STATE_AL)||\ ((I2C_STATUS) == I2C_STATE_Slave_Addressed)||\ ((I2C_STATUS) == I2C_STATE_Slave_Rw)||\ ((I2C_STATUS) == I2C_STATE_Buslock)||\ ((I2C_STATUS) == I2C_STATE_TIP)||\ ((I2C_STATUS) == I2C_STATE_IF)||\ #define I2C_Register_PRERL ((uint8_t)0x00) #define I2C_Register_PRERH ((uint8_t)0x01) #define I2C_Register_CTR ((uint8_t)0x02) #define I2C_Register_DR ((uint8_t)0x03) #define I2C_Register_SR ((uint8_t)0x04) #define I2C_Register_BLTOP ((uint8_t)0x05) #define I2C_Register_SADDR ((uint8_t)0x07) #define IS_I2C_REGISTER(REGISTER) (((REGISTER) == I2C_Register_PRERL) || \ ((REGISTER) == I2C_Register_PRERH) || \ ((REGISTER) == I2C_Register_CTR) || \ ((REGISTER) == I2C_Register_DR) || \ ((REGISTER) == I2C_Register_SR) || \ ((REGISTER) == I2C_Register_BLTOP) || \ ((REGISTER) == I2C_Register_BLTOP)) #define IRQ_I2C ((uint8_t)0x02) // //#define I2C_RXACK ((uint8_t)0x00) //#define I2C_BUSY ((uint8_t)0x01) //#define I2C_AL ((uint8_t)0x02) //#define I2C_SLV_ADDR ((uint8_t)0x03) //#define I2C_SLV_RW ((uint8_t)0x04) //#define I2C_BUS_LOCK ((uint8_t)0x05) //#define I2C_TIP ((uint8_t)0x07) //#define I2C_IF ((uint8_t)0x07) //IS_I2C_CLEAR_FLAG(FLAG) ((FLAG) == ) void I2C_Init(I2C_TypeDef* I2Cx, I2C_InitTypeDef* I2C_InitStruct); void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct); void I2C_GenerateSTART(I2C_TypeDef* I2Cx, FunctionalState NewState); //I2C主设备产生start信号 void I2C_GenerateSTOP(I2C_TypeDef* I2Cx, FunctionalState NewState); //I2C主设备产生stop信号 void I2C_AcknowledgeConfig(I2C_TypeDef* I2Cx, FunctionalState NewState);//I2C主设备产生ack信号 void I2C_ITConfig(I2C_TypeDef* I2Cx, FunctionalState NewState); //I2C中断设置 void I2C_ITCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); //I2C中断开启 void I2C_SendData(I2C_TypeDef* I2Cx, uint8_t Data); //I2C发送数据 void I2C_ReceiveData(I2C_TypeDef* I2Cx, FunctionalState ACK, FunctionalState STOP); //I2C接收数据 void I2C_Send7bitAddress(I2C_TypeDef* I2Cx, uint8_t Address, uint8_t I2C_Direction); //I2C发送从设备地址 uint8_t I2C_ReadRegister(I2C_TypeDef* I2Cx, uint8_t I2C_Register); //I2C读取寄存器数值 void I2C_ClearFlag(I2C_TypeDef* I2Cx, uint8_t I2C_FLAG); //I2C清除寄存器状态 ITStatus I2C_GetStatus(I2C_TypeDef* I2Cx, uint8_t I2C_STATUS); //I2C读取状态 void I2C_ClearIT(I2C_TypeDef* I2Cx); //I2C清除中断标志 void I2C_wait(I2C_TypeDef* I2Cx); //I2C等待传输完毕 void I2C_Unlock(I2C_TypeDef* I2Cx); //I2C解除总线死锁 void I2C_BUSY(I2C_TypeDef* I2Cx); //I2C等待总线空闲 void CAT24_Write(uint16_t Waddr,uint8_t Tdata); //I2C CAT24指定地址写入指定数据（查询方式） uint8_t CAT24_Read(uint16_t Raddr); //I2C CAT24指定地址读出数据（查询方式） void CAT24_Write_Int(uint16_t Waddr,uint8_t Tdata); //I2C CAT24指定地址写入指定数据（中断方式） uint8_t CAT24_Read_Int(uint16_t Raddr); //I2C CAT24指定地址读出数据（中断方式） #endif /* INCLUDE_I2C_H_ */