rt-thread/bsp/apm32/libraries/APM32F10x_Library/APM32F10x_StdPeriphDriver/inc/apm32f10x_sci2c.h

/*!
 * @file        apm32f10x_sci2c.h
 *
 * @brief       This file contains all the prototypes,enumeration and macros for the SCI2C(I2C3, I2C4) peripheral
 *
 * @version     V1.0.1
 *
 * @date        2021-03-23
 *
 */

#ifndef __APM32F10X_SCI2C_H
#define __APM32F10X_SCI2C_H

#include "apm32f10x.h"

#ifdef __cplusplus
  extern "C" {
#endif

/** @addtogroup Peripherals_Library Standard Peripheral Library
  @{
*/

/** @addtogroup SCI2C_Driver SCI2C Driver
  @{
*/

/** @addtogroup SCI2C_Enumerations Enumerations
  @{
*/

/**
 * @brief SCI2C speed enumeration
 */
typedef enum
{
    SCI2C_SPEED_STANDARD = 1,
    SCI2C_SPEED_FAST,
    SCI2C_SPEED_HIGH
}SCI2C_SPEED_T;

/**
 * @brief   Address mode
 */
typedef enum
{
    SCI2C_ADDR_MODE_7BIT,
    SCI2C_ADDR_MODE_10BIT
}SCI2C_ADDR_MODE_T;

/**
 * @brief   SCI2C mode enumeration
 */
typedef enum
{
    SCI2C_MODE_MASTER,
    SCI2C_MODE_SLAVE
}SCI2C_MODE_T;

/**
 * @brief   Restart enable or disable
 */
typedef enum
{
    SCI2C_RESTART_DISABLE,
    SCI2C_RESTART_ENABLE
}SCI2C_RESTART_T;

/**
 * @brief   Enable or disable generate stop condition
 */
typedef enum
{
    SCI2C_STOP_DISABLE,
    SCI2C_STOP_ENABLE
}SCI2C_STOP_T;
/**
 * @brief   Data direction
 */
typedef enum
{
    SCI2C_DATA_DIR_WRITE,
    SCI2C_DATA_DIR_READ,
}SCI2C_DATA_DIR_T;

/**
 * @brief   SCI2C interrupt
 */
typedef enum
{
    SCI2C_INT_RFU       = BIT0,         //!< Rx FIFO underflow interrupt
    SCI2C_INT_RFO       = BIT1,         //!< Rx FIFO onverflow interrupt
    SCI2C_INT_RFF       = BIT2,         //!< Rx FIFO full interrupt
    SCI2C_INT_TFO       = BIT3,         //!< Tx FIFO onverflow interrupt
    SCI2C_INT_TFE       = BIT4,         //!< Tx FIFO empty interrupt
    SCI2C_INT_RR        = BIT5,         //!< Read request interrupt
    SCI2C_INT_TA        = BIT6,         //!< Tx abort interrupt
    SCI2C_INT_RD        = BIT7,         //!< Read done interrupt
    SCI2C_INT_ACT       = BIT8,         //!< Activity interrupt
    SCI2C_INT_STPD      = BIT9,         //!< Stop detect interrupt
    SCI2C_INT_STAD      = BIT10,        //!< Start detect interrupt
    SCI2C_INT_GC        = BIT11,        //!< Gernal call interrupt
    SCI2C_INT_RSTAD     = BIT12,        //!< Restart detect interrupt
    SCI2C_INT_MOH       = BIT13,        //!< Master on hold interrupt
    SCI2C_INT_ALL       = BIT15         //!< All interrupt
}SCI2C_INT_T;

/**
 * @brief   Flag enumeration
 */
typedef enum
{
    SCI2C_FLAG_ACT      = BIT0,         //!< Activity flag
    SCI2C_FLAG_TFNF     = BIT1,         //!< Tx FIFO not full flag
    SCI2C_FLAG_TFE      = BIT2,         //!< Tx FIFO empty flag
    SCI2C_FLAG_RFNE     = BIT3,         //!< Rx FIFO not empty flag
    SCI2C_FLAG_RFF      = BIT4,         //!< Rx FIFO full flag
    SCI2C_FLAG_MA       = BIT5,         //!< Master activity flag
    SCI2C_FLAG_SA       = BIT6,         //!< Slave activity flag
    SCI2C_FLAG_I2CEN    = BIT8 | BIT0,  //!< I2C enable flag
    SCI2C_FLAG_SDWB     = BIT8 | BIT1,  //!< Slave disable while busy flag
    SCI2C_FLAG_SRDL     = BIT8 | BIT2   //!< Slave receive data lost flag
}SCI2C_FLAG_T;

/**
 * @brief   Tx abort source
 */
typedef enum
{
    SCI2C_TAS_AD7NA     = BIT0,         //!< 7 bit address mode NACK
    SCI2C_TAS_AD10FBNA  = BIT1,         //!< 10 bit address mode first byte NACK
    SCI2C_TAS_AD10SBNA  = BIT2,         //!< 10 bit address mode second byte NACK
    SCI2C_TAS_TDNA      = BIT3,         //!< Tx data NACK
    SCI2C_TAS_GCNA      = BIT4,         //!< Gernal call NACK
    SCI2C_TAS_GCR       = BIT5,         //!< Gernal call read
    SCI2C_TAS_HSAD      = BIT6,         //!< High speed ack detected
    SCI2C_TAS_SNR       = BIT7,         //!< Start byte no restart
    SCI2C_TAS_RNR10B    = BIT8,         //!< Read 10bit address mode when restart disable
    SCI2C_TAS_MSTDIS    = BIT9,         //!< Master disable
    SCI2C_TAS_ARBLOST   = BIT10,        //!< Arbitration lost
    SCI2C_TAS_LFTF      = BIT11,        //!< Slave flush tx FIFO
    SCI2C_TAS_SAL       = BIT12,        //!< Slave arbitration lost
    SCI2C_TAS_SRI       = BIT13,        //!< Slave read done
    SCI2C_TAS_USRARB    = BIT14,        //!< User abort
    SCI2C_TAS_FLUCNT    = BIT15         //!< Tx flush counter
}SCI2C_TAS_T;

/**
 * @brief   DMA Enable
 */
typedef enum
{
    SCI2C_DMA_RX = BIT0,
    SCI2C_DMA_TX = BIT1,
}SCI2C_DMA_T;

/**@} end of group SCI2C_Enumerations*/


/** @addtogroup SCI2C_Macros Macros
  @{
*/

/** Macros description */

#define SCI2C_CTRL1_RESET_VALUE     ((uint32_t)0x3E)
#define SCI2C_TARADDR_RESET_VALUE   ((uint32_t)0x1055)
#define SCI2C_SLAADDR_RESET_VALUE   ((uint32_t)0x55)
#define SCI2C_HSMC_RESET_VALUE      ((uint32_t)0x07)
#define SCI2C_DATA_RESET_VALUE      ((uint32_t)0x00)
#define SCI2C_SSCHC_RESET_VALUE     ((uint32_t)0x190)
#define SCI2C_SSCLC_RESET_VALUE     ((uint32_t)0x1D6)
#define SCI2C_FSCHC_RESET_VALUE     ((uint32_t)0x3C)
#define SCI2C_FSCLC_RESET_VALUE     ((uint32_t)0x82)
#define SCI2C_HSCHC_RESET_VALUE     ((uint32_t)0x06)
#define SCI2C_HSCLC_RESET_VALUE     ((uint32_t)0x10)
#define SCI2C_INTEN_RESET_VALUE     ((uint32_t)0x00)
#define SCI2C_RFT_RESET_VALUE       ((uint32_t)0x00)
#define SCI2C_TFT_RESET_VALUE       ((uint32_t)0x00)
#define SCI2C_CTRL2_RESET_VALUE     ((uint32_t)0x00)
#define SCI2C_TFL_RESET_VALUE       ((uint32_t)0x00)
#define SCI2C_RFL_RESET_VALUE       ((uint32_t)0x00)
#define SCI2C_SDAHOLD_RESET_VALUE   ((uint32_t)0x01)
#define SCI2C_SDNO_RESET_VALUE      ((uint32_t)0x00)
#define SCI2C_DMACTRL_RESET_VALUE   ((uint32_t)0x00)
#define SCI2C_DTDL_RESET_VALUE      ((uint32_t)0x00)
#define SCI2C_DRDL_RESET_VALUE      ((uint32_t)0x00)
#define SCI2C_SDADLY_RESET_VALUE    ((uint32_t)0x64)
#define SCI2C_GCA_RESET_VALUE       ((uint32_t)0x01)
#define SCI2C_LSSSL_RESET_VALUE     ((uint32_t)0x05)
#define SCI2C_HSSSL_RESET_VALUE     ((uint32_t)0x01)

#define SCI2C_FIFO_DEPTH            (0X08)
/**@} end of group SCI2C_Macros*/


/** @addtogroup SCI2C_Structure Data Structure
  @{
*/

/**
 * @brief Struct description
 */
typedef struct
{
    uint16_t            slaveAddr;        //!< Slave address.
    SCI2C_MODE_T        mode;             //!< Specifies mode, master mode or slave mode
    SCI2C_SPEED_T       speed;            //!< Specifies speed. Standard speed, fast speed or high speed.
    uint16_t            clkLowPeriod;     //!< SCL high period
    uint16_t            clkHighPeriod;    //!< SCL low period
    uint8_t             rxFifoThreshold;  //!< Rx FIFO threshold
    uint8_t             txFifoThreshold;  //!< Tx FIFO threshold
    SCI2C_RESTART_T     restart;          //!< Enable or disable restart
    SCI2C_ADDR_MODE_T   addrMode;         //!< Address mode. 7-bit or 10-bit mode.
}SCI2C_Config_T;

/**@} end of group SCI2C_Structure*/


/** @addtogroup SCI2C_Fuctions Fuctions
  @{
*/

/** Reset */
void SCI2C_Reset(SCI2C_T *i2c);

/** Configuration */
void SCI2C_Config(SCI2C_T *i2c, SCI2C_Config_T *sci2cConfig);
void SCI2C_ConfigStructInit(SCI2C_Config_T *sci2cConfig);

/** Stop detect */
void SCI2C_EnableStopDetectAddressed(SCI2C_T *i2c);
void SCI2C_DisableStopDetectAddressed(SCI2C_T *i2c);
void SCI2C_EnableStopDetectMasterActivity(SCI2C_T *i2c);
void SCI2C_DisableStopDetectMasterActivity(SCI2C_T *i2c);

/** Restart */
void SCI2C_EnableRestart(SCI2C_T *i2c);
void SCI2C_DisableRestart(SCI2C_T *i2c);

/** Speed */
void SCI2C_ConfigSpeed(SCI2C_T *i2c, SCI2C_SPEED_T speed);

/** Address */
void SCI2C_ConfigMasterAddr(SCI2C_T *i2c, SCI2C_ADDR_MODE_T mode, uint16_t addr);
void SCI2C_ConfigSlaveAddr(SCI2C_T *i2c, SCI2C_ADDR_MODE_T mode, uint16_t addr);

/** Master mode and slave mode */
void SCI2C_EnableMasterMode(SCI2C_T *i2c);
void SCI2C_DisableMasterMode(SCI2C_T *i2c);
void SCI2C_EnableSlaveMode(SCI2C_T *i2c);
void SCI2C_DisableSlaveMode(SCI2C_T *i2c);
void SCI2C_ConfigMasterCode(SCI2C_T *i2c, uint8_t code);

/** Data */
void SCI2C_ConfigDataDir(SCI2C_T *i2c, SCI2C_DATA_DIR_T dir);
void SCI2C_TxData(SCI2C_T *i2c, uint8_t data);
uint8_t SCI2C_RxData(SCI2C_T *i2c);
void SCI2C_ConfigDataRegister(SCI2C_T *i2c, SCI2C_STOP_T stop, SCI2C_DATA_DIR_T dataDir, uint8_t data);

/** Rx and Tx FIFO */
uint8_t SCI2C_ReadRxFifoDataCnt(SCI2C_T *i2c);
uint8_t SCI2C_ReadTxFifoDataCnt(SCI2C_T *i2c);
void SCI2C_ConfigRxFifoThreshold(SCI2C_T *i2c, uint8_t threshold);
void SCI2C_ConfigTxFifoThreshold(SCI2C_T *i2c, uint8_t threshold);

/** I2C Enable, disable, abort, block */
void SCI2C_Enable(SCI2C_T *i2c);
void SCI2C_Disable(SCI2C_T *i2c);
void SCI2C_Abort(SCI2C_T *i2c);
void SCI2C_BlockTxCmd(SCI2C_T *i2c, uint8_t enable);

/** SCL and SDA */
void SCI2C_ConfigClkPeriod(SCI2C_T *i2c, SCI2C_SPEED_T speed, uint16_t highPeriod, uint16_t lowPeriod);
void SCI2C_ConfigSDAHoldTime(SCI2C_T *i2c, uint16_t txHold, uint8_t rxHold);
void SCI2C_ConfigSDADelayTime(SCI2C_T *i2c, uint8_t delay);

/** ACK and NACK */
void SCI2C_GernalCallAck(SCI2C_T *i2c, uint8_t enable);
void SCI2C_SlaveDataNackOnly(SCI2C_T *i2c, uint8_t enable);

/** Abort */
uint32_t SCI2C_ReadTxAbortSource(SCI2C_T *i2c);

/** DMA */
void SCI2C_EnableDMA(SCI2C_T *i2c, SCI2C_DMA_T dma);
void SCI2C_DisableDMA(SCI2C_T *i2c, SCI2C_DMA_T dma);
void SCI2C_ConfigDMATxDataLevel(SCI2C_T *i2c, uint8_t cnt);
void SCI2C_ConfigDMARxDataLevel(SCI2C_T *i2c, uint8_t cnt);

/** Spike suppression limit */
void SCI2C_ConfigSpikeSuppressionLimit(SCI2C_T *i2c, SCI2C_SPEED_T speed, uint8_t limit);

/** Ingerrupt and flag */
uint8_t SCI2C_ReadStatusFlag(SCI2C_T *i2c, SCI2C_FLAG_T flag);
void SCI2C_ClearIntFlag(SCI2C_T *i2c, SCI2C_INT_T flag);
uint8_t SCI2C_ReadIntFlag(SCI2C_T *i2c, SCI2C_INT_T flag);
uint8_t SCI2C_ReadRawIntFlag(SCI2C_T *i2c, SCI2C_INT_T flag);
void SCI2C_EnableInterrupt(SCI2C_T *i2c, uint16_t interrupt);
void SCI2C_DisableInterrupt(SCI2C_T *i2c, uint16_t interrupt);

/**@} end of group SCI2C_Fuctions*/
/**@} end of group SCI2C_Driver*/
/**@} end of group Peripherals_Library*/

#ifdef __cplusplus
}
#endif

#endif /* __APM32F10X_SCI2C_H */