181 lines
7.6 KiB
C
181 lines
7.6 KiB
C
#ifndef INCLUDE_I2C_H_
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#define INCLUDE_I2C_H_
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//#include "ls1c101.h"
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#include"test.h"
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//#include"ls1c102_regapi.h"
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//#include"stdint.h"
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#include"ls1x.h"
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/**
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* @说明：I2C接口宏定义
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*
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*/
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typedef struct
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{
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volatile uint8_t PRERL; /* 分频值低字节寄存器 */
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volatile uint8_t PRERH; /* 分频值高字节寄存器 */
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volatile uint8_t CTRL; /* 控制寄存器 */
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volatile uint8_t DR; /* 数据寄存器 */
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volatile uint8_t CR_SR; /* 命令寄存器 兼 状态寄存器 */
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volatile uint8_t BLTOP; /* 总线死锁时间寄存器 */
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volatile uint8_t RESERVED0; /* 保留字节 */
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volatile uint8_t SADDR; /* 从模式地址寄存器 */
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} I2C_TypeDef;
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#define I2C ((I2C_TypeDef *) I2C_BASE)
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typedef struct
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{
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uint32_t I2C_ClockSpeed; /*!< Specifies the clock frequency.
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This parameter must be set to a value lower than 400kHz */
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uint8_t I2C_Mode; /*!< Specifies the I2C mode.
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This parameter can be a value of @ref I2C_mode */
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uint8_t I2C_OwnAddress1; /*!< Specifies the first device own address.
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This parameter can be a 7-bit or 10-bit address. */
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uint8_t I2C_BuslockCheckEn; /*!< Set the I2C buslock check function*/
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uint8_t I2C_SlvAutoresetEn; /*!< Set the I2C autoreset check function*/
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}I2C_InitTypeDef;
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#define IS_I2C_ALL_PERIPH(PERIPH) ((PERIPH) == I2C)
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#define IS_I2C_CLEAR_FLAG(FLAG) (((FLAG) & 0x01) == 0x01)
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/** @defgroup I2C_mode
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* @{
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*/
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#define IS_I2C_CLOCK_SPEED(SPEED) (((SPEED) >= 0x1) && ((SPEED) <= 400000))
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#define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= 0x3FF)
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#define I2C_Mode_Slave ((uint8_t)0x00)
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#define I2C_Mode_Master ((uint8_t)0x20)
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#define IS_I2C_MODE(MODE) (((MODE) == I2C_Mode_Slave) || \
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((MODE) == I2C_Mode_Master))
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/**
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* @}
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*/
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#define I2C_Buslock_Check_Enable ((uint8_t)0x02)
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#define I2C_Buslock_Check_Disable ((uint8_t)0x00)
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#define IS_I2C_BUSLOCK_CHECK_EN(STATE) (((STATE) == I2C_Buslock_Check_Enable) || \
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((STATE) == I2C_Buslock_Check_Disable))
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#define I2C_Slv_Autoreset_Enable ((uint8_t)0x01)
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#define I2C_Slv_Autoreset_Disable ((uint8_t)0x00)
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#define IS_I2C_SLV_AUTORESET_EN(STATE) (((STATE) == I2C_Slv_Autoreset_Enable) || \
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((STATE) == I2C_Slv_Autoreset_Disable))
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/** @defgroup I2C_transfer_direction
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* @{
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*/
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#define I2C_Direction_Transmitter ((uint8_t)0x00)
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#define I2C_Direction_Receiver ((uint8_t)0x01)
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#define IS_I2C_DIRECTION(DIRECTION) (((DIRECTION) == I2C_Direction_Transmitter) || \
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((DIRECTION) == I2C_Direction_Receiver))
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#define I2C_ACK ((uint8_t)0x00)
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#define I2C_NACK ((uint8_t)0x08)
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#define IS_I2C_ACK(ACK) (((ACK) == I2C_ACK) || ((DIRECTION) == I2C_NACK))
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#define I2C_STOP ((uint8_t)0x40)
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#define I2C_NSTOP ((uint8_t)0x00)
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#define IS_I2C_STOP(STOP) (((STOP) == I2C_STOP) || ((DIRECTION) == I2C_NSTOP))
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/**
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*@˵<><CBB5><EFBFBD><EFBFBD> I2C_STATE_Flags
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*/
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#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 */
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#define I2C_STATE_BUSY ((uint8_t)0x40) /* 总线忙标志 */
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#define I2C_STATE_AL ((uint8_t)0x20) /* 失去仲裁：1表示主设备失去总线控制权 */
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#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 */
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#define I2C_STATE_Slave_Rw ((uint8_t)0x08) /* 从设备读写：0表示被读 ，1表示被写 */
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#define I2C_STATE_Buslock ((uint8_t)0x04) /* 总线死锁：1表示总线出现死锁 */
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#define I2C_STATE_TIP ((uint8_t)0x02) /* 传输进行：1表示主设备有效，正在传输 */
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#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 */
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/** @defgroup I2C_registers
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* @{
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*/
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#define IS_I2C_GET_STATUS(I2C_STATUS) (((I2C_STATUS) == I2C_STATE_RxACK)||\
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((I2C_STATUS) == I2C_STATE_BUSY)||\
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((I2C_STATUS) == I2C_STATE_AL)||\
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((I2C_STATUS) == I2C_STATE_Slave_Addressed)||\
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((I2C_STATUS) == I2C_STATE_Slave_Rw)||\
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((I2C_STATUS) == I2C_STATE_Buslock)||\
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((I2C_STATUS) == I2C_STATE_TIP)||\
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((I2C_STATUS) == I2C_STATE_IF)||\
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#define I2C_Register_PRERL ((uint8_t)0x00)
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#define I2C_Register_PRERH ((uint8_t)0x01)
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#define I2C_Register_CTR ((uint8_t)0x02)
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#define I2C_Register_DR ((uint8_t)0x03)
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#define I2C_Register_SR ((uint8_t)0x04)
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#define I2C_Register_BLTOP ((uint8_t)0x05)
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#define I2C_Register_SADDR ((uint8_t)0x07)
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#define IS_I2C_REGISTER(REGISTER) (((REGISTER) == I2C_Register_PRERL) || \
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((REGISTER) == I2C_Register_PRERH) || \
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((REGISTER) == I2C_Register_CTR) || \
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((REGISTER) == I2C_Register_DR) || \
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((REGISTER) == I2C_Register_SR) || \
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((REGISTER) == I2C_Register_BLTOP) || \
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((REGISTER) == I2C_Register_BLTOP))
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#define IRQ_I2C ((uint8_t)0x02)
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//
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//#define I2C_RXACK ((uint8_t)0x00)
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//#define I2C_BUSY ((uint8_t)0x01)
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//#define I2C_AL ((uint8_t)0x02)
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//#define I2C_SLV_ADDR ((uint8_t)0x03)
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//#define I2C_SLV_RW ((uint8_t)0x04)
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//#define I2C_BUS_LOCK ((uint8_t)0x05)
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//#define I2C_TIP ((uint8_t)0x07)
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//#define I2C_IF ((uint8_t)0x07)
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//IS_I2C_CLEAR_FLAG(FLAG) ((FLAG) == )
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void I2C_Init(I2C_TypeDef* I2Cx, I2C_InitTypeDef* I2C_InitStruct);
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void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct);
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void I2C_GenerateSTART(I2C_TypeDef* I2Cx, FunctionalState NewState); //I2C主设备产生start信号
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void I2C_GenerateSTOP(I2C_TypeDef* I2Cx, FunctionalState NewState); //I2C主设备产生stop信号
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void I2C_AcknowledgeConfig(I2C_TypeDef* I2Cx, FunctionalState NewState);//I2C主设备产生ack信号
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void I2C_ITConfig(I2C_TypeDef* I2Cx, FunctionalState NewState); //I2C中断设置
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void I2C_ITCmd(I2C_TypeDef* I2Cx, FunctionalState NewState); //I2C中断开启
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void I2C_SendData(I2C_TypeDef* I2Cx, uint8_t Data); //I2C发送数据
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void I2C_ReceiveData(I2C_TypeDef* I2Cx, FunctionalState ACK, FunctionalState STOP); //I2C接收数据
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void I2C_Send7bitAddress(I2C_TypeDef* I2Cx, uint8_t Address, uint8_t I2C_Direction); //I2C发送从设备地址
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uint8_t I2C_ReadRegister(I2C_TypeDef* I2Cx, uint8_t I2C_Register); //I2C读取寄存器数值
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void I2C_ClearFlag(I2C_TypeDef* I2Cx, uint8_t I2C_FLAG); //I2C清除寄存器状态
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ITStatus I2C_GetStatus(I2C_TypeDef* I2Cx, uint8_t I2C_STATUS); //I2C读取状态
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void I2C_ClearIT(I2C_TypeDef* I2Cx); //I2C清除中断标志
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void I2C_wait(I2C_TypeDef* I2Cx); //I2C等待传输完毕
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void I2C_Unlock(I2C_TypeDef* I2Cx); //I2C解除总线死锁
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void I2C_BUSY(I2C_TypeDef* I2Cx); //I2C等待总线空闲
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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）
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uint8_t CAT24_Read(uint16_t Raddr); //I2C CAT24指定地址读出数据（查询方式）
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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）
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uint8_t CAT24_Read_Int(uint16_t Raddr); //I2C CAT24指定地址读出数据（中断方式）
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#endif /* INCLUDE_I2C_H_ */
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