vsf_template_i2c.h

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/*****************************************************************************
 *   Copyright(C)2009-2022 by VSF Team                                       *
 *                                                                           *
 *  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                                  *
 *                                                                           *
 *     http://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 __VSF_TEMPLATE_I2C_H__
#define __VSF_TEMPLATE_I2C_H__
 
/*============================ INCLUDES ======================================*/
 
#include "./vsf_template_hal_driver.h"
#include "hal/arch/vsf_arch.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*============================ MACROS ========================================*/
 
#ifndef VSF_I2C_CFG_MULTI_CLASS
#   define VSF_I2C_CFG_MULTI_CLASS                  ENABLED
#endif
 
#if defined(VSF_HW_I2C_COUNT) && !defined(VSF_HW_I2C_MASK)
#   define VSF_HW_I2C_MASK                          VSF_HAL_COUNT_TO_MASK(VSF_HW_I2C_COUNT)
#endif
 
#if !defined(VSF_HW_I2C_COUNT) && defined(VSF_HW_I2C_MASK)
#   define VSF_HW_I2C_COUNT                         VSF_HAL_MASK_TO_COUNT(VSF_HW_I2C_MASK)
#endif
 
#ifndef VSF_I2C_CFG_PREFIX
#   if VSF_I2C_CFG_MULTI_CLASS == ENABLED
#       define VSF_I2C_CFG_PREFIX                   vsf
#   elif defined(VSF_HW_I2C_COUNT) && (VSF_HW_I2C_COUNT != 0)
#       define VSF_I2C_CFG_PREFIX                   vsf_hw
#   else
#       define VSF_I2C_CFG_PREFIX                   vsf
#   endif
#endif
 
#ifndef VSF_I2C_CFG_FUNCTION_RENAME
#   define VSF_I2C_CFG_FUNCTION_RENAME              ENABLED
#endif
 
#ifndef VSF_I2C_CFG_REIMPLEMENT_TYPE_MODE
#   define VSF_I2C_CFG_REIMPLEMENT_TYPE_MODE        DISABLED
#endif
 
#ifndef VSF_I2C_CFG_REIMPLEMENT_TYPE_CMD
#   define VSF_I2C_CFG_REIMPLEMENT_TYPE_CMD         DISABLED
#endif
 
#ifndef VSF_I2C_CFG_REIMPLEMENT_TYPE_IRQ_MASK
#   define VSF_I2C_CFG_REIMPLEMENT_TYPE_IRQ_MASK    DISABLED
#endif
 
#ifndef VSF_I2C_CFG_REIMPLEMENT_TYPE_STATUS
#   define VSF_I2C_CFG_REIMPLEMENT_TYPE_STATUS      DISABLED
#endif
 
#ifndef VSF_I2C_CFG_REIMPLEMENT_TYPE_CTRL
#   define VSF_I2C_CFG_REIMPLEMENT_TYPE_CTRL        DISABLED
#endif
 
#ifndef VSF_I2C_CFG_REIMPLEMENT_TYPE_CFG
#    define VSF_I2C_CFG_REIMPLEMENT_TYPE_CFG DISABLED
#endif
 
#ifndef VSF_I2C_CFG_INHERIT_HAL_CAPABILITY
#   define VSF_I2C_CFG_INHERIT_HAL_CAPABILITY       ENABLED
#endif
 
/*============================ MACROFIED FUNCTIONS ===========================*/
 
#define VSF_I2C_APIS(__prefix_name)                                                                                                                                         \
    __VSF_HAL_TEMPLATE_API(__prefix_name, vsf_err_t,            i2c, init,                          VSF_MCONNECT(__prefix_name, _t) *i2c_ptr, vsf_i2c_cfg_t *cfg_ptr)       \
    __VSF_HAL_TEMPLATE_API(__prefix_name, void,                 i2c, fini,                          VSF_MCONNECT(__prefix_name, _t) *i2c_ptr)                               \
    __VSF_HAL_TEMPLATE_API(__prefix_name, vsf_err_t,            i2c, get_configuration,             VSF_MCONNECT(__prefix_name, _t) *i2c_ptr, vsf_i2c_cfg_t *cfg_ptr)       \
    __VSF_HAL_TEMPLATE_API(__prefix_name, fsm_rt_t,             i2c, enable,                        VSF_MCONNECT(__prefix_name, _t) *i2c_ptr)                               \
    __VSF_HAL_TEMPLATE_API(__prefix_name, fsm_rt_t,             i2c, disable,                       VSF_MCONNECT(__prefix_name, _t) *i2c_ptr)                               \
    __VSF_HAL_TEMPLATE_API(__prefix_name, void,                 i2c, irq_enable,                    VSF_MCONNECT(__prefix_name, _t) *i2c_ptr, vsf_i2c_irq_mask_t irq_mask)  \
    __VSF_HAL_TEMPLATE_API(__prefix_name, void,                 i2c, irq_disable,                   VSF_MCONNECT(__prefix_name, _t) *i2c_ptr, vsf_i2c_irq_mask_t irq_mask)  \
    __VSF_HAL_TEMPLATE_API(__prefix_name, vsf_i2c_status_t,     i2c, status,                        VSF_MCONNECT(__prefix_name, _t) *i2c_ptr)                               \
    __VSF_HAL_TEMPLATE_API(__prefix_name, vsf_i2c_capability_t, i2c, capability,                    VSF_MCONNECT(__prefix_name, _t) *i2c_ptr)                               \
    __VSF_HAL_TEMPLATE_API(__prefix_name, fsm_rt_t,             i2c, master_fifo_transfer,          VSF_MCONNECT(__prefix_name, _t) *i2c_ptr, uint16_t address,             \
        vsf_i2c_cmd_t cmd, uint_fast16_t count, uint8_t* buffer_ptr, vsf_i2c_cmd_t *cur_cmd_ptr, uint_fast16_t *offset_ptr)                                                 \
    __VSF_HAL_TEMPLATE_API(__prefix_name, vsf_err_t,            i2c, master_request,                VSF_MCONNECT(__prefix_name, _t) *i2c_ptr, uint16_t address,             \
        vsf_i2c_cmd_t cmd, uint_fast16_t count, uint8_t* buffer_ptr)                                                                                                        \
    __VSF_HAL_TEMPLATE_API(__prefix_name, uint_fast16_t,        i2c, master_get_transferred_count,  VSF_MCONNECT(__prefix_name, _t) *i2c_ptr)                               \
    __VSF_HAL_TEMPLATE_API(__prefix_name, uint_fast16_t,        i2c, slave_fifo_transfer,           VSF_MCONNECT(__prefix_name, _t) *i2c_ptr, bool transmit_or_receive,     \
        uint_fast16_t count, uint8_t* buffer_ptr)                                                                                                                           \
    __VSF_HAL_TEMPLATE_API(__prefix_name, vsf_err_t,            i2c, slave_request,                 VSF_MCONNECT(__prefix_name, _t) *i2c_ptr, bool transmit_or_receive,     \
        uint_fast16_t count, uint8_t* buffer_ptr)                                                                                                                           \
    __VSF_HAL_TEMPLATE_API(__prefix_name, uint_fast16_t,        i2c, slave_get_transferred_count, VSF_MCONNECT(__prefix_name, _t) *i2c_ptr)                                 \
    __VSF_HAL_TEMPLATE_API(__prefix_name, vsf_err_t,            i2c, ctrl,                          VSF_MCONNECT(__prefix_name, _t) *i2c_ptr, vsf_i2c_ctrl_t ctrl, void* param) \
    __VSF_HAL_TEMPLATE_API(__prefix_name, vsf_i2c_irq_mask_t,   i2c, irq_clear,                     VSF_MCONNECT(__prefix_name, _t) *i2c_ptr, vsf_i2c_irq_mask_t irq_mask)
 
/*============================ TYPES =========================================*/
 
#if VSF_I2C_CFG_REIMPLEMENT_TYPE_MODE == DISABLED
typedef enum vsf_i2c_mode_t {
    VSF_I2C_MODE_MASTER           = (0x1ul << 28),
 
    VSF_I2C_MODE_SLAVE            = (0x0ul << 28),
 
    VSF_I2C_SPEED_STANDARD_MODE   = (0x0ul << 29),
 
    VSF_I2C_SPEED_FAST_MODE       = (0x1ul << 29),
 
    VSF_I2C_SPEED_FAST_MODE_PLUS  = (0x2ul << 29),
 
    VSF_I2C_SPEED_HIGH_SPEED_MODE = (0x3ul << 29),
 
    VSF_I2C_ADDR_7_BITS           = (0x0ul << 31),
 
    VSF_I2C_ADDR_10_BITS          = (0x1ul << 31),
} vsf_i2c_mode_t;
#endif
 
enum {
    VSF_I2C_MODE_MASK             = VSF_I2C_MODE_MASTER |
                                    VSF_I2C_MODE_SLAVE,
 
    VSF_I2C_SPEED_MASK            = VSF_I2C_SPEED_STANDARD_MODE |
                                    VSF_I2C_SPEED_FAST_MODE |
                                    VSF_I2C_SPEED_FAST_MODE_PLUS |
                                    VSF_I2C_SPEED_HIGH_SPEED_MODE,
 
    VSF_I2C_ADDR_MASK             = VSF_I2C_ADDR_7_BITS |
                                    VSF_I2C_ADDR_10_BITS,
 
    VSF_I2C_MODE_ALL_BITS_MASK    = VSF_I2C_MODE_MASK |
                                    VSF_I2C_SPEED_MASK |
                                    VSF_I2C_ADDR_MASK,
};
 
#if VSF_I2C_CFG_REIMPLEMENT_TYPE_CMD == DISABLED
typedef enum vsf_i2c_cmd_t {
    VSF_I2C_CMD_WRITE           = (0x00ul << 0),
 
    VSF_I2C_CMD_READ            = (0x01ul << 0),
 
    VSF_I2C_CMD_START           = (0x01ul << 28),
 
    VSF_I2C_CMD_STOP            = (0x01ul << 29),
 
    VSF_I2C_CMD_RESTART         = (0x01ul << 30),
 
    VSF_I2C_CMD_7_BITS          = (0x0ul << 31),
 
    VSF_I2C_CMD_10_BITS         = (0x01ul << 31),
} vsf_i2c_cmd_t;
#endif
 
enum {
    VSF_I2C_CMD_RW_MASK             = VSF_I2C_CMD_WRITE | VSF_I2C_CMD_READ,
 
    VSF_I2C_CMD_BITS_MASK           = VSF_I2C_CMD_7_BITS |
                                      VSF_I2C_CMD_10_BITS,
 
#ifndef VSF_I2C_CMD_ALL_BITS_MASK
    VSF_I2C_CMD_ALL_BITS_MASK       = VSF_I2C_CMD_RW_MASK
                                    | VSF_I2C_CMD_START
                                    | VSF_I2C_CMD_STOP
                                    | VSF_I2C_CMD_RESTART
                                    | VSF_I2C_CMD_BITS_MASK,
#endif
};
 
#if VSF_I2C_CFG_REIMPLEMENT_TYPE_IRQ_MASK == DISABLED
typedef enum vsf_i2c_irq_mask_t {
    VSF_I2C_IRQ_MASK_MASTER_TX                      = (0x1ul <<  0),
 
    VSF_I2C_IRQ_MASK_MASTER_RX                      = (0x1ul <<  1),
 
    VSF_I2C_IRQ_MASK_MASTER_TRANSFER_COMPLETE       = (0x1ul <<  2),
 
    VSF_I2C_IRQ_MASK_MASTER_ARBITRATION_LOST        = (0x1ul <<  3),
 
    VSF_I2C_IRQ_MASK_MASTER_ADDRESS_NACK            = (0x1ul <<  4),
 
    VSF_I2C_IRQ_MASK_MASTER_TX_NACK_DETECT          = (0x1ul <<  5),
 
 
    VSF_I2C_IRQ_MASK_MASTER_START_OR_RESTART_DETECT = (0x1ul << 7),
 
 
    VSF_I2C_IRQ_MASK_MASTER_STOP_DETECT            = (0x1ul << 8),
 
 
    VSF_I2C_IRQ_MASK_SLAVE_START_OR_RESTART_DETECT  = (0x1ul << 9),
 
    VSF_I2C_IRQ_MASK_SLAVE_STOP_DETECT              = (0x1ul << 10),
 
    VSF_I2C_IRQ_MASK_SLAVE_TX                       = (0x1ul << 11),
 
    VSF_I2C_IRQ_MASK_SLAVE_RX                       = (0x1ul << 12),
 
    VSF_I2C_IRQ_MASK_SLAVE_TRANSFER_COMPLETE        = (0x1ul << 13),
 
} vsf_i2c_irq_mask_t;
#endif
 
enum {
#ifndef VSF_I2C_IRQ_MASK_MASTER_ERR
    VSF_I2C_IRQ_MASK_MASTER_ERR                     = VSF_I2C_IRQ_MASK_MASTER_ARBITRATION_LOST
                                                    | VSF_I2C_IRQ_MASK_MASTER_ADDRESS_NACK
                                                    | VSF_I2C_IRQ_MASK_MASTER_TX_NACK_DETECT,  
#endif
 
    // TODO: Add slave error interrupt mask
#ifndef VSF_I2C_IRQ_MASK_SLAVE_ERR
    VSF_I2C_IRQ_MASK_SLAVE_ERR                      = 0,  
#endif
 
#ifndef VSF_I2C_IRQ_MASK_ERR
    VSF_I2C_IRQ_MASK_ERR                            = VSF_I2C_IRQ_MASK_MASTER_ERR
                                                    | VSF_I2C_IRQ_MASK_SLAVE_ERR,     
#endif
 
#ifndef VSF_I2C_IRQ_ALL_BITS_MASK
    VSF_I2C_IRQ_ALL_BITS_MASK                       = VSF_I2C_IRQ_MASK_MASTER_TX
                                                    | VSF_I2C_IRQ_MASK_MASTER_RX
                                                    | VSF_I2C_IRQ_MASK_MASTER_TRANSFER_COMPLETE
                                                    | VSF_I2C_IRQ_MASK_MASTER_ARBITRATION_LOST
                                                    | VSF_I2C_IRQ_MASK_MASTER_ADDRESS_NACK
                                                    | VSF_I2C_IRQ_MASK_MASTER_TX_NACK_DETECT
                                                    | VSF_I2C_IRQ_MASK_MASTER_START_OR_RESTART_DETECT
                                                    | VSF_I2C_IRQ_MASK_MASTER_STOP_DETECT
                                                    | VSF_I2C_IRQ_MASK_SLAVE_START_OR_RESTART_DETECT
                                                    | VSF_I2C_IRQ_MASK_SLAVE_STOP_DETECT
                                                    | VSF_I2C_IRQ_MASK_SLAVE_TX
                                                    | VSF_I2C_IRQ_MASK_SLAVE_RX
                                                    | VSF_I2C_IRQ_MASK_SLAVE_TRANSFER_COMPLETE,
#endif
};
 
#if VSF_I2C_CFG_REIMPLEMENT_TYPE_STATUS == DISABLED
typedef struct vsf_i2c_status_t {
    union {
        inherit(vsf_peripheral_status_t)
        struct {
            uint32_t is_busy    : 1;
        };
        uint32_t value;
    };
} vsf_i2c_status_t;
#endif
 
#if VSF_I2C_CFG_REIMPLEMENT_TYPE_CAPABILITY == DISABLED
typedef struct vsf_i2c_capability_t {
#if VSF_I2C_CFG_INHERIT_HAL_CAPABILITY == ENABLED
    inherit(vsf_peripheral_capability_t)
#endif
    vsf_i2c_irq_mask_t irq_mask;
 
    uint8_t support_no_start        : 1;
 
    uint8_t support_no_stop         : 1;
 
    uint8_t support_restart         : 1;
 
    uint_fast16_t max_transfer_size;
 
    uint_fast16_t min_transfer_size;
} vsf_i2c_capability_t;
#endif
 
#if VSF_I2C_CFG_REIMPLEMENT_TYPE_CFG == DISABLED
typedef struct vsf_i2c_t vsf_i2c_t;
 
typedef void vsf_i2c_isr_handler_t(void *target_ptr,
                                   vsf_i2c_t *i2c_ptr,
                                   vsf_i2c_irq_mask_t irq_mask);
 
typedef struct vsf_i2c_isr_t {
    vsf_i2c_isr_handler_t *handler_fn;
 
    void                  *target_ptr;
 
    vsf_arch_prio_t        prio;
} vsf_i2c_isr_t;
 
typedef struct vsf_i2c_cfg_t {
    vsf_i2c_mode_t mode;
 
    uint32_t clock_hz;
 
    vsf_i2c_isr_t isr;
 
    uint_fast16_t slave_addr;
} vsf_i2c_cfg_t;
#endif
 
#if VSF_I2C_CFG_REIMPLEMENT_TYPE_CTRL == DISABLED
typedef enum vsf_i2c_ctrl_t {
    /*
    VSF_I2C_CTRL_MASTER_ABORT                     = (0x1ul << 3),
    #define VSF_I2C_CTRL_MASTER_ABORT VSF_I2C_CTRL_MASTER_ABORT
    */
 
    /*
    VSF_I2C_CTRL_SLAVE_ABORT                      = (0x1ul << 4),
    #define VSF_I2C_CTRL_SLAVE_ABORT VSF_I2C_CTRL_SLAVE_ABORT
    */
 
    /*
    VSF_I2C_CTRL_ANALOG_FILTER_ENABLE            = (0x0ul << 5),
    VSF_I2C_CTRL_ANALOG_FILTER_DISABLE           = (0x1ul << 5),
    #define VSF_I2C_CTRL_ANALOG_FILTER_ENABLE VSF_I2C_CTRL_ANALOG_FILTER_ENABLE
    #define VSF_I2C_CTRL_ANALOG_FILTER_DISABLE VSF_I2C_CTRL_ANALOG_FILTER_DISABLE
    */
 
    /*
    VSF_I2C_CTRL_DIGITAL_FILTER_ENABLE            = (0x0ul << 7),
    VSF_I2C_CTRL_DIGITAL_FILTER_DISABLE           = (0x1ul << 7),
    #define VSF_I2C_CTRL_DIGITAL_FILTER_ENABLE VSF_I2C_CTRL_DIGITAL_FILTER_ENABLE
    #define VSF_I2C_CTRL_DIGITAL_FILTER_DISABLE VSF_I2C_CTRL_DIGITAL_FILTER_DISABLE
    */
 
    __VSF_I2C_CTRL_DUMMP = 0,
} vsf_i2c_ctrl_t;
#endif
 
typedef struct vsf_i2c_op_t {
#undef __VSF_HAL_TEMPLATE_API
#define __VSF_HAL_TEMPLATE_API VSF_HAL_TEMPLATE_API_FP
 
    VSF_I2C_APIS(vsf_i2c)
} vsf_i2c_op_t;
 
#if VSF_I2C_CFG_MULTI_CLASS == ENABLED
struct vsf_i2c_t {
    const vsf_i2c_op_t * op;
};
#endif
 
/*============================ GLOBAL VARIABLES ==============================*/
/*============================ PROTOTYPES ====================================*/
 
extern vsf_err_t vsf_i2c_init(vsf_i2c_t *i2c_ptr, vsf_i2c_cfg_t *cfg_ptr);
 
extern void vsf_i2c_fini(vsf_i2c_t *i2c_ptr);
 
extern vsf_err_t vsf_i2c_get_configuration(vsf_i2c_t *i2c_ptr, vsf_i2c_cfg_t *cfg_ptr);
 
extern fsm_rt_t vsf_i2c_enable(vsf_i2c_t *i2c_ptr);
 
extern fsm_rt_t vsf_i2c_disable(vsf_i2c_t *i2c_ptr);
 
extern void vsf_i2c_irq_enable(vsf_i2c_t *i2c_ptr, vsf_i2c_irq_mask_t irq_mask);
 
extern void vsf_i2c_irq_disable(vsf_i2c_t *i2c_ptr, vsf_i2c_irq_mask_t irq_mask);
 
extern vsf_i2c_status_t vsf_i2c_status(vsf_i2c_t *i2c_ptr);
 
extern vsf_i2c_capability_t vsf_i2c_capability(vsf_i2c_t *i2c_ptr);
 
extern fsm_rt_t vsf_i2c_master_fifo_transfer(vsf_i2c_t *i2c_ptr,
                                             uint16_t address,
                                             vsf_i2c_cmd_t cmd,
                                             uint_fast16_t count,
                                             uint8_t *buffer_ptr,
                                             vsf_i2c_cmd_t *cur_cmd_ptr,
                                             uint_fast16_t *offset_ptr);
 
extern uint_fast16_t vsf_i2c_slave_fifo_transfer(vsf_i2c_t *i2c_ptr,
                                                 bool transmit_or_receive,
                                                 uint_fast16_t count,
                                                 uint8_t *buffer_ptr);
 
extern vsf_err_t vsf_i2c_master_request(vsf_i2c_t *i2c_ptr,
                                        uint16_t address,
                                        vsf_i2c_cmd_t cmd,
                                        uint_fast16_t count,
                                        uint8_t *buffer_ptr);
 
extern vsf_err_t vsf_i2c_slave_request(vsf_i2c_t *i2c_ptr,
                                       bool transmit_or_receive,
                                       uint_fast16_t count,
                                       uint8_t *buffer_ptr);
 
extern uint_fast16_t vsf_i2c_master_get_transferred_count(vsf_i2c_t *i2c_ptr);
 
extern uint_fast16_t vsf_i2c_slave_get_transferred_count(vsf_i2c_t *i2c_ptr);
 
extern vsf_err_t vsf_i2c_ctrl(vsf_i2c_t *i2c_ptr, vsf_i2c_ctrl_t ctrl, void * param);
 
extern vsf_i2c_irq_mask_t vsf_i2c_irq_clear(vsf_i2c_t *i2c_ptr, vsf_i2c_irq_mask_t irq_mask);
 
/*============================ INCLUDES ======================================*/
 
#include "hal/driver/common/i2c/i2c_request.h"
 
/*============================ MACROFIED FUNCTIONS ===========================*/
 
#if VSF_I2C_CFG_FUNCTION_RENAME == ENABLED
#   define __vsf_i2c_t                                      VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_t)
#   define vsf_i2c_init(__I2C, ...)                         VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_init)                         ((__vsf_i2c_t *)(__I2C), ##__VA_ARGS__)
#   define vsf_i2c_fini(__I2C)                              VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_fini)                         ((__vsf_i2c_t *)(__I2C))
#   define vsf_i2c_get_configuration(__I2C, ...)            VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_get_configuration)            ((__vsf_i2c_t *)(__I2C), ##__VA_ARGS__)
#   define vsf_i2c_enable(__I2C)                            VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_enable)                       ((__vsf_i2c_t *)(__I2C))
#   define vsf_i2c_disable(__I2C)                           VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_disable)                      ((__vsf_i2c_t *)(__I2C))
#   define vsf_i2c_irq_enable(__I2C, ...)                   VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_irq_enable)                   ((__vsf_i2c_t *)(__I2C), ##__VA_ARGS__)
#   define vsf_i2c_irq_disable(__I2C, ...)                  VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_irq_disable)                  ((__vsf_i2c_t *)(__I2C), ##__VA_ARGS__)
#   define vsf_i2c_irq_clear(__I2C, ...)                    VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_irq_clear)                    ((__vsf_i2c_t *)(__I2C), ##__VA_ARGS__)
#   define vsf_i2c_status(__I2C)                            VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_status)                       ((__vsf_i2c_t *)(__I2C))
#   define vsf_i2c_capability(__I2C)                        VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_capability)                   ((__vsf_i2c_t *)(__I2C))
#   define vsf_i2c_master_fifo_transfer(__I2C, ...)         VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_master_fifo_transfer)         ((__vsf_i2c_t *)(__I2C), ##__VA_ARGS__)
#   define vsf_i2c_master_request(__I2C, ...)               VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_master_request)               ((__vsf_i2c_t *)(__I2C), ##__VA_ARGS__)
#   define vsf_i2c_master_get_transferred_count(__I2C, ...) VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_master_get_transferred_count) ((__vsf_i2c_t *)(__I2C))
#   define vsf_i2c_slave_fifo_transfer(__I2C, ...)          VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_slave_fifo_transfer)          ((__vsf_i2c_t *)(__I2C), ##__VA_ARGS__)
#   define vsf_i2c_slave_request(__I2C, ...)                VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_slave_request)                ((__vsf_i2c_t *)(__I2C), ##__VA_ARGS__)
#   define vsf_i2c_slave_get_transferred_count(__I2C, ...)  VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_slave_get_transferred_count)  ((__vsf_i2c_t *)(__I2C))
#   define vsf_i2c_ctrl(__I2C, ...)                         VSF_MCONNECT(VSF_I2C_CFG_PREFIX, _i2c_ctrl)                         ((__vsf_i2c_t *)(__I2C), ##__VA_ARGS__)
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif  /*__VSF_TEMPLATE_I2C_H__*/