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/**
*********************************************************************************
*
* @file ald_i2c.h
* @brief Header file of I2C driver
*
* @version V1.0
* @date 15 Nov 2017
* @author AE Team
* @note
*
* Copyright (C) Shanghai Eastsoft Microelectronics Co. Ltd. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
********************************************************************************
*/
#ifndef __ALD_I2C_H__
#define __ALD_I2C_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "utils.h"
#include "ald_dma.h"
#include "ald_cmu.h"
/** @addtogroup ES32FXXX_ALD
* @{
*/
/** @addtogroup I2C
* @{
*/
/** @defgroup I2C_Public_Types I2C Public Types
* @{
*/
/**
* @brief I2C Error Code
*/
typedef enum {
I2C_ERROR_NONE = 0x0U, /**< No error */
I2C_ERROR_BERR = 0x1U, /**< Berr error */
I2C_ERROR_ARLO = 0x2U, /**< Arlo error */
I2C_ERROR_AF = 0x4U, /**< Af error */
I2C_ERROR_OVR = 0x8U, /**< Ovr error */
I2C_ERROR_DMA = 0x10U, /**< Dma error */
I2C_ERROR_TIMEOUT = 0x20U, /**< Timeout error */
} i2c_error_t;
/**
* @brief I2C state structure definition
*/
typedef enum {
I2C_STATE_RESET = 0x0U, /**< Peripheral is not yet Initialized */
I2C_STATE_READY = 0x1U, /**< Peripheral Initialized and ready for use */
I2C_STATE_BUSY = 0x2U, /**< An internal process is ongoing */
I2C_STATE_BUSY_TX = 0x3U, /**< Data Transmission process is ongoing */
I2C_STATE_BUSY_RX = 0x4U, /**< Data Reception process is ongoing */
I2C_STATE_TIMEOUT = 0x5U, /**< timeout state */
I2C_STATE_ERROR = 0x6U, /**< Error */
} i2c_state_t;
/**
* @brief I2C Duty Cycle
*/
typedef enum {
I2C_DUTYCYCLE_2 = 0x0U, /**< duty cycle is 2 */
I2C_DUTYCYCLE_16_9 = 0x4000U, /**< duty cycle is 16/9 */
} i2c_duty_t;
/**
* @brief I2C Addressing Mode
*/
typedef enum {
I2C_ADDR_7BIT = 0x1U, /**< 7 bit address */
I2C_ADDR_10BIT = 0x2U, /**< 10 bit address */
} i2c_addr_t;
/**
* @brief I2C Dual Addressing Mode
*/
typedef enum {
I2C_DUALADDR_DISABLE = 0x0U, /**< dual address is disable */
I2C_DUALADDR_ENABLE = 0x1U, /**< dual address is enable */
} i2c_dual_addr_t;
/**
* @brief I2C General Call Addressing mode
*/
typedef enum {
I2C_GENERALCALL_DISABLE = 0x0U, /**< feneral call address is disable */
I2C_GENERALCALL_ENABLE = 0x40U, /**< feneral call address is enable */
} i2c_general_addr_t;
/**
* @brief I2C Nostretch Mode
*/
typedef enum {
I2C_NOSTRETCH_DISABLE = 0x0U, /**< Nostretch disable */
I2C_NOSTRETCH_ENABLE = 0x80U, /**< Nostretch enable */
} i2c_nostretch_t;
/**
* @brief I2C Memory Address Size
*/
typedef enum {
I2C_MEMADD_SIZE_8BIT = 0x1U, /**< 8 bit memory address size */
I2C_MEMADD_SIZE_16BIT = 0x10U, /**< 10 bit memory address size */
} i2c_addr_size_t;
/**
* @brief I2C Flag Definition
*/
typedef enum {
I2C_FLAG_SB = (1U << 0),
I2C_FLAG_ADDR = (1U << 1),
I2C_FLAG_BTF = (1U << 2),
I2C_FLAG_ADD10 = (1U << 3),
I2C_FLAG_STOPF = (1U << 4),
I2C_FLAG_RXNE = (1U << 6),
I2C_FLAG_TXE = (1U << 7),
I2C_FLAG_BERR = (1U << 8),
I2C_FLAG_ARLO = (1U << 9),
I2C_FLAG_AF = (1U << 10),
I2C_FLAG_OVR = (1U << 11),
I2C_FLAG_PECERR = (1U << 12),
I2C_FLAG_TIMEOUT = (1U << 14),
I2C_FLAG_SMBALERT = (1U << 15),
I2C_FLAG_MSL = (1U << 16),
I2C_FLAG_BUSY = (1U << 17),
I2C_FLAG_TRA = (1U << 18),
I2C_FLAG_GENCALL = (1U << 20),
I2C_FLAG_SMBDEFAULT = (1U << 21),
I2C_FLAG_SMBHOST = (1U << 22),
I2C_FLAG_DUALF = (1U << 23),
} i2c_flag_t;
/**
* @brief I2C mode structure definition
*/
typedef enum
{
I2C_MODE_NONE = 0x0U, /**< No I2C communication on going */
I2C_MODE_MASTER = 0x10U, /**< I2C communication is in Master mode */
I2C_MODE_SLAVE = 0x20U, /**< I2C communication is in Slave mode */
I2C_MODE_MEM = 0x40U, /**< I2C communication is in Memory mode */
} i2c_mode_t;
/**
* @brief I2C Clock
*/
typedef enum {
I2C_STANDARD_MODE_MAX_CLK = 100000U, /**< Standard mode clock */
I2C_FAST_MODE_MAX_CLK = 400000U, /**< Fast mode clock */
} i2c_clock_t;
/**
* @brief Interrupt Configuration Definition
*/
typedef enum {
I2C_IT_BUF = (1U << 10), /**< Buffer interrupt */
I2C_IT_EVT = (1U << 9), /**< Event interrupt */
I2C_IT_ERR = (1U << 8), /**< Error interrupt */
} i2c_interrupt_t;
/**
* @brief I2C CON1 Register
*/
typedef enum {
I2C_CON1_PEN = (1U << 0), /**< PEN BIT */
I2C_CON1_PMOD = (1U << 1), /**< PMOD BIT */
I2C_CON1_SMBMOD = (1U << 3), /**< SMBMOD BIT */
I2C_CON1_ARPEN = (1U << 4), /**< ARPEN BIT */
I2C_CON1_PECEN = (1U << 5), /**< PECEN BIT */
I2C_CON1_GCEN = (1U << 6), /**< GCEN BIT */
I2C_CON1_DISCS = (1U << 7), /**< DISCS BIT */
I2C_CON1_START = (1U << 8), /**< START BIT */
I2C_CON1_STOP = (1U << 9), /**< STOP BIT */
I2C_CON1_ACKEN = (1U << 10), /**< ACKEN BIT */
I2C_CON1_POSAP = (1U << 11), /**< POSAP BIT */
I2C_CON1_TRPEC = (1U << 12), /**< TRPEC BIT */
I2C_CON1_ALARM = (1U << 13), /**< ALARM BIT */
I2C_CON1_SRST = (1U << 15), /**< SRST BIT */
} i2c_con1_t;
/**
* @brief I2C CON2 Register
*/
typedef enum {
I2C_CON2_CLKF = 0x3FU, /**< CLKF BITS */
I2C_CON2_CLKF_0 = (1U << 0), /**< CLKF_0 BIT */
I2C_CON2_CLKF_1 = (1U << 1), /**< CLKF_1 BIT */
I2C_CON2_CLKF_2 = (1U << 2), /**< CLKF_2 BIT */
I2C_CON2_CLKF_3 = (1U << 3), /**< CLKF_3 BIT */
I2C_CON2_CLKF_4 = (1U << 4), /**< CLKF_4 BIT */
I2C_CON2_CLKF_5 = (1U << 5), /**< CLKF_5 BIT */
I2C_CON2_ERRIE = (1U << 8), /**< ERRIE BIT */
I2C_CON2_EVTIE = (1U << 9), /**< EVTIE BIT */
I2C_CON2_BUFIE = (1U << 10), /**< BUFIE BIT */
I2C_CON2_DMAEN = (1U << 11), /**< DMAEN BIT */
I2C_CON2_LDMA = (1U << 12), /**< LDMA BIT */
} i2c_con2_t;
/**
* @brief I2C ADDR1 Register
*/
typedef enum {
I2C_ADDR1_ADDH0 = (1U << 0), /**< ADDH0 BIT */
I2C_ADDR1_ADDH1 = (1U << 1), /**< ADDH1 BIT */
I2C_ADDR1_ADDH2 = (1U << 2), /**< ADDH2 BIT */
I2C_ADDR1_ADDH3 = (1U << 3), /**< ADDH3 BIT */
I2C_ADDR1_ADDH4 = (1U << 4), /**< ADDH4 BIT */
I2C_ADDR1_ADDH5 = (1U << 5), /**< ADDH5 BIT */
I2C_ADDR1_ADDH6 = (1U << 6), /**< ADDH6 BIT */
I2C_ADDR1_ADDH7 = (1U << 7), /**< ADDH7 BIT */
I2C_ADDR1_ADDH8 = (1U << 8), /**< ADDH8 BIT */
I2C_ADDR1_ADDH9 = (1U << 9), /**< ADDH9 BIT */
I2C_ADDR1_ADDTYPE = (1U << 15), /**< ADDTYPE BIT */
} i2c_addr1_t;
/**
* @brief I2C ADDR2 Register
*/
typedef enum {
I2C_ADDR2_DUALEN = (1U << 0), /**< DUALEN BIT */
I2C_ADDR2_ADD = (1U << 1), /**< ADD BIT */
} i2c_addr2_t;
/**
* @brief I2C STAT1 Register
*/
typedef enum {
I2C_STAT1_SB = (1U << 0), /**< SB BIT */
I2C_STAT1_ADDR = (1U << 1), /**< ADDR BIT */
I2C_STAT1_BTC = (1U << 2), /**< BTC BIT */
I2C_STAT1_SENDADD10 = (1U << 3), /**< SENDADD10 BIT */
I2C_STAT1_DETSTP = (1U << 4), /**< DETSTP BIT */
I2C_STAT1_RXBNE = (1U << 6), /**< RXBNE BIT */
I2C_STAT1_TXBE = (1U << 7), /**< TXBE BIT */
I2C_STAT1_BUSERR = (1U << 8), /**< BUSERR BIT */
I2C_STAT1_LARB = (1U << 9), /**< LARB BIT */
I2C_STAT1_ACKERR = (1U << 10), /**< ACKERR BIT */
I2C_STAT1_ROUERR = (1U << 11), /**< ROUERR BIT */
I2C_STAT1_PECERR = (1U << 12), /**< PECERR BIT */
I2C_STAT1_SMBTO = (1U << 14), /**< SMBTO BIT */
I2C_STAT1_SMBALARM = (1U << 15), /**< SMBALARM BIT */
} i2c_stat1_t;
/**
* @brief I2C STAT2 Register
*/
typedef enum {
I2C_STAT2_MASTER = (1U << 0), /**< MASTER BIT */
I2C_STAT2_BSYF = (1U << 1), /**< BSYF BIT */
I2C_STAT2_TRF = (1U << 2), /**< TRF BIT */
I2C_STAT2_RXGCF = (1U << 4), /**< RXGCF BIT */
I2C_STAT2_SMBDEF = (1U << 5), /**< SMBDEF BIT */
I2C_STAT2_SMBHH = (1U << 6), /**< SMBHH BIT */
I2C_STAT2_DUALF = (1U << 7), /**< DMF BIT */
I2C_STAT2_PECV = (1U << 8), /**< PECV BIT */
} i2c_stat2_t;
/**
* @brief I2C CKCFG Register
*/
typedef enum {
I2C_CKCFG_CLKSET = 0xFFFU, /**< CLKSET BITS */
I2C_CKCFG_DUTY = (1U << 14), /**< DUTY BIT */
I2C_CKCFG_CLKMOD = (1U << 15), /**< CLKMOD BIT */
} i2c_ckcfg_t;
/**
* @brief I2C RT Register
*/
typedef enum {
I2C_RT_RISET = 0x3FU, /**< RISET BITS */
} i2c_trise_t;
/**
* @brief I2C Configuration Structure definition
*/
typedef struct {
uint32_t clk_speed; /**< Specifies the clock frequency */
i2c_duty_t duty; /**< Specifies the I2C fast mode duty cycle */
uint32_t own_addr1; /**< Specifies the first device own address */
i2c_addr_t addr_mode; /**< Specifies addressing mode */
i2c_dual_addr_t dual_addr; /**< Specifies if dual addressing mode is selected */
uint32_t own_addr2; /**< Specifies the second device own address */
i2c_general_addr_t general_call; /**< Specifies if general call mode is selected */
i2c_nostretch_t no_stretch; /**< Specifies if nostretch mode is selected */
} i2c_init_t;
/**
* @brief I2C handle Structure definition
*/
typedef struct i2c_handle_s {
I2C_TypeDef *perh; /**< I2C registers base address */
i2c_init_t init; /**< I2C communication parameters */
uint8_t *p_buff; /**< Pointer to I2C transfer buffer */
uint16_t xfer_size; /**< I2C transfer size */
__IO uint16_t xfer_count; /**< I2C transfer counter */
#ifdef ALD_DMA
dma_handle_t hdmatx; /**< I2C Tx DMA handle parameters */
dma_handle_t hdmarx; /**< I2C Rx DMA handle parameters */
#endif
lock_state_t lock; /**< I2C locking object */
__IO i2c_state_t state; /**< I2C communication state */
__IO i2c_mode_t mode; /**< I2C communication mode */
__IO uint32_t error_code; /**< I2C Error code */
void (*master_tx_cplt_cbk)(struct i2c_handle_s *arg); /**< Master Tx completed callback */
void (*master_rx_cplt_cbk)(struct i2c_handle_s *arg); /**< Master Rx completed callback */
void (*slave_tx_cplt_cbk)(struct i2c_handle_s *arg); /**< Slave Tx completed callback */
void (*slave_rx_cplt_cbk)(struct i2c_handle_s *arg); /**< Slave Rx completed callback */
void (*mem_tx_cplt_cbk)(struct i2c_handle_s *arg); /**< Tx to Memory completed callback */
void (*mem_rx_cplt_cbk)(struct i2c_handle_s *arg); /**< Rx from Memory completed callback */
void (*error_callback)(struct i2c_handle_s *arg); /**< Error callback */
} i2c_handle_t;
/**
* @}
*/
/** @defgroup I2C_Public_Macro I2C Public Macros
* @{
*/
#define I2C_RESET_HANDLE_STATE(x) ((x)->state = I2C_STATE_RESET)
#define I2C_CLEAR_ADDRFLAG(x) \
do { \
__IO uint32_t tmpreg; \
tmpreg = (x)->perh->STAT1; \
tmpreg = (x)->perh->STAT2; \
UNUSED(tmpreg); \
} while (0)
#define __I2C_CLEAR_STOPFLAG(x) \
do { \
__IO uint32_t tmpreg; \
tmpreg = (x)->perh->STAT1; \
tmpreg = SET_BIT((x)->perh->CON1, I2C_CON1_PEN); \
UNUSED(tmpreg); \
} while (0)
#define I2C_ENABLE(x) (SET_BIT((x)->perh->CON1, I2C_CON1_PEN_MSK))
#define I2C_DISABLE(x) (CLEAR_BIT((x)->perh->CON1, I2C_CON1_PEN_MSK))
/**
* @}
*/
/** @defgroup I2C_Private_Macro I2C Private Macros
* @{
*/
#define IS_I2C_TYPE(x) (((x) == I2C0) || \
((x) == I2C1))
#define IS_I2C_ADDRESSING_MODE(x) (((x) == I2C_ADDR_7BIT) || \
((x) == I2C_ADDR_10BIT))
#define IS_I2C_DUAL_ADDRESS(x) (((x) == I2C_DUALADDR_DISABLE) || \
((x) == I2C_DUALADDR_ENABLE))
#define IS_I2C_GENERAL_CALL(x) (((x) == I2C_GENERALCALL_DISABLE) || \
((x) == I2C_GENERALCALL_ENABLE))
#define IS_I2C_MEMADD_size(x) (((x) == I2C_MEMADD_SIZE_8BIT) || \
((x) == I2C_MEMADD_SIZE_16BIT))
#define IS_I2C_NO_STRETCH(x) (((x) == I2C_NOSTRETCH_DISABLE) || \
((x) == I2C_NOSTRETCH_ENABLE))
#define IS_I2C_OWN_ADDRESS1(x) (((x) & (uint32_t)(0xFFFFFC00)) == 0)
#define IS_I2C_OWN_ADDRESS2(x) (((x) & (uint32_t)(0xFFFFFF01)) == 0)
#define IS_I2C_CLOCK_SPEED(x) (((x) > 0) && ((x) <= I2C_FAST_MODE_MAX_CLK))
#define IS_I2C_DUTY_CYCLE(x) (((x) == I2C_DUTYCYCLE_2) || \
((x) == I2C_DUTYCYCLE_16_9))
#define IS_I2C_IT_TYPE(x) (((x) == I2C_IT_BUF) || \
((x) == I2C_IT_EVT) || \
((x) == I2C_IT_ERR))
#define IS_I2C_FLAG(x) (((x) == I2C_FLAG_SB) || \
((x) == I2C_FLAG_ADDR) || \
((x) == I2C_FLAG_BTF) || \
((x) == I2C_FLAG_ADD10) || \
((x) == I2C_FLAG_STOPF) || \
((x) == I2C_FLAG_RXNE) || \
((x) == I2C_FLAG_TXE) || \
((x) == I2C_FLAG_BERR) || \
((x) == I2C_FLAG_ARLO) || \
((x) == I2C_FLAG_AF) || \
((x) == I2C_FLAG_OVR) || \
((x) == I2C_FLAG_PECERR) || \
((x) == I2C_FLAG_TIMEOUT) || \
((x) == I2C_FLAG_SMBALERT) || \
((x) == I2C_FLAG_MSL) || \
((x) == I2C_FLAG_BUSY) || \
((x) == I2C_FLAG_TRA) || \
((x) == I2C_FLAG_GENCALL) || \
((x) == I2C_FLAG_SMBDEFAULT) || \
((x) == I2C_FLAG_SMBHOST) || \
((x) == I2C_FLAG_DUALF))
#define I2C_FREQ_RANGE(x) ((x) / 1000000)
#define I2C_RISE_TIME(x, u) (((u) <= I2C_STANDARD_MODE_MAX_CLK) ? ((x) + 1) :\
((((x) * 300) / 1000) + 1))
#define I2C_SPEED_STANDARD(x, y) (((((x) / ((y) << 1)) & I2C_CKCFG_CLKSET) < 4) ? 4:\
((x) / ((y) << 1)))
#define I2C_SPEED_FAST(x, y, z) (((z) == I2C_DUTYCYCLE_2) ? ((x) / ((y) * 3)) :\
(((x) / ((y) * 25)) | I2C_DUTYCYCLE_16_9))
#define I2C_SPEED(x, y, z) (((y) <= 100000) ? (I2C_SPEED_STANDARD((x), (y))) :\
((I2C_SPEED_FAST((x), (y), (z)) & I2C_CKCFG_CLKSET) == 0) ? 1 : \
((I2C_SPEED_FAST((x), (y), (z))) | I2C_CKCFG_CLKMOD))
#define I2C_MEM_ADD_MSB(x) ((uint8_t)((uint16_t)(((uint16_t)((x) &\
(uint16_t)(0xFF00))) >> 8)))
#define I2C_MEM_ADD_LSB(x) ((uint8_t)((uint16_t)((x) & (uint16_t)(0x00FF))))
#define I2C_7BIT_ADD_WRITE(x) ((uint8_t)((x) & (~I2C_ADDR1_ADDH0)))
#define I2C_7BIT_ADD_READ(x) ((uint8_t)((x) | I2C_ADDR1_ADDH0))
#define I2C_10BIT_ADDRESS(x) ((uint8_t)((uint16_t)((x) & (uint16_t)(0x00FF))))
#define I2C_10BIT_HEADER_WRITE(x) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((x) &\
(uint16_t)(0x0300))) >> 7) | (uint16_t)(0xF0))))
#define I2C_10BIT_HEADER_READ(x) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((x) &\
(uint16_t)(0x0300))) >> 7) | (uint16_t)(0xF1))))
/**
* @}
*/
/** @addtogroup I2C_Public_Functions
* @{
*/
/** @addtogroup I2C_Public_Functions_Group1
* @{
*/
ald_status_t ald_i2c_init(i2c_handle_t *hperh);
ald_status_t ald_i2c_reset(i2c_handle_t *hperh);
/**
* @}
*/
/** @addtogroup I2C_Public_Functions_Group2
* @{
*/
/** Blocking mode: Polling */
ald_status_t ald_i2c_master_send(i2c_handle_t *hperh, uint16_t dev_addr,
uint8_t *buf, uint16_t size, uint32_t timeout);
ald_status_t ald_i2c_master_recv(i2c_handle_t *hperh, uint16_t dev_addr,
uint8_t *buf, uint16_t size, uint32_t timeout);
ald_status_t ald_i2c_slave_send(i2c_handle_t *hperh, uint8_t *buf, uint16_t size, uint32_t timeout);
ald_status_t ald_i2c_slave_recv(i2c_handle_t *hperh, uint8_t *buf, uint16_t size, uint32_t timeout);
ald_status_t ald_i2c_mem_write(i2c_handle_t *hperh, uint16_t dev_addr, uint16_t mem_addr,
i2c_addr_size_t add_size, uint8_t *buf, uint16_t size, uint32_t timeout);
ald_status_t ald_i2c_mem_read(i2c_handle_t *hperh, uint16_t dev_addr, uint16_t mem_addr,
i2c_addr_size_t add_size, uint8_t *buf, uint16_t size, uint32_t timeout);
ald_status_t ald_i2c_is_device_ready(i2c_handle_t *hperh, uint16_t dev_addr, uint32_t trials, uint32_t timeout);
/** Non-Blocking mode: Interrupt */
ald_status_t ald_i2c_master_send_by_it(i2c_handle_t *hperh, uint16_t dev_addr, uint8_t *buf, uint16_t size);
ald_status_t ald_i2c_master_recv_by_it(i2c_handle_t *hperh, uint16_t dev_addr, uint8_t *buf, uint16_t size);
ald_status_t ald_i2c_slave_send_by_it(i2c_handle_t *hperh, uint8_t *buf, uint16_t size);
ald_status_t ald_i2c_slave_recv_by_it(i2c_handle_t *hperh, uint8_t *buf, uint16_t size);
ald_status_t ald_i2c_mem_write_by_it(i2c_handle_t *hperh, uint16_t dev_addr, uint16_t mem_addr,
i2c_addr_size_t add_size, uint8_t *buf, uint16_t size);
ald_status_t ald_i2c_mem_read_by_it(i2c_handle_t *hperh, uint16_t dev_addr, uint16_t mem_addr,
i2c_addr_size_t add_size, uint8_t *buf, uint16_t size);
#ifdef ALD_DMA
/** Non-Blocking mode: DMA */
ald_status_t ald_i2c_master_send_by_dma(i2c_handle_t *hperh, uint16_t dev_addr,
uint8_t *buf, uint16_t size, uint8_t channel);
ald_status_t ald_i2c_master_recv_by_dma(i2c_handle_t *hperh, uint16_t dev_addr,
uint8_t *buf, uint16_t size, uint8_t channel);
ald_status_t ald_i2c_slave_send_by_dma(i2c_handle_t *hperh, uint8_t *buf, uint16_t size, uint8_t channel);
ald_status_t ald_i2c_slave_recv_by_dma(i2c_handle_t *hperh, uint8_t *buf, uint16_t size, uint8_t channel);
ald_status_t ald_i2c_mem_write_by_dma(i2c_handle_t *hperh, uint16_t dev_addr, uint16_t mem_addr, i2c_addr_size_t add_size,
uint8_t *buf, uint16_t size, uint8_t channel);
ald_status_t ald_i2c_mem_read_by_dma(i2c_handle_t *hperh, uint16_t dev_addr, uint16_t mem_addr,
i2c_addr_size_t add_size, uint8_t *buf, uint16_t size, uint8_t channel);
#endif
/**
* @}
*/
/** @addtogroup I2C_Public_Functions_Group3
* @{
*/
i2c_state_t ald_i2c_get_state(i2c_handle_t *hperh);
uint32_t ald_i2c_get_error(i2c_handle_t *hperh);
flag_status_t ald_i2c_get_flag_status(i2c_handle_t *hperh, i2c_flag_t flag);
flag_status_t ald_i2c_get_it_status(i2c_handle_t *hperh, i2c_interrupt_t it);
void ald_i2c_clear_flag_status(i2c_handle_t *hperh, i2c_flag_t flag);
/**
* @}
*/
/** @addtogroup I2C_Public_Functions_Group4
* @{
*/
void ald_i2c_interrupt_config(i2c_handle_t *hperh, i2c_interrupt_t it, type_func_t state);
void ald_i2c_ev_irq_handler(i2c_handle_t *hperh);
void ald_i2c_er_irq_handler(i2c_handle_t *hperh);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __ALD_I2C_H__ */
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