CMSIS_5/CMSIS/Driver/DriverTemplates/Driver_I2C.c

/*
 * Copyright (c) 2013-2020 Arm Limited. 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.
 */
 
#include "Driver_I2C.h"

#define ARM_I2C_DRV_VERSION    ARM_DRIVER_VERSION_MAJOR_MINOR(1, 0) /* driver version */

/* Driver Version */
static const ARM_DRIVER_VERSION DriverVersion = {
    ARM_I2C_API_VERSION,
    ARM_I2C_DRV_VERSION
};

/* Driver Capabilities */
static const ARM_I2C_CAPABILITIES DriverCapabilities = {
    0  /* supports 10-bit addressing */
};

//
//  Functions
//

static ARM_DRIVER_VERSION ARM_I2C_GetVersion(void)
{
  return DriverVersion;
}

static ARM_I2C_CAPABILITIES ARM_I2C_GetCapabilities(void)
{
  return DriverCapabilities;
}

static int32_t ARM_I2C_Initialize(ARM_I2C_SignalEvent_t cb_event)
{
}

static int32_t ARM_I2C_Uninitialize(void)
{
}

static int32_t ARM_I2C_PowerControl(ARM_POWER_STATE state)
{
    switch (state)
    {
    case ARM_POWER_OFF:
        break;

    case ARM_POWER_LOW:
        break;

    case ARM_POWER_FULL:
        break;
    }
    return ARM_DRIVER_OK;
}

static int32_t ARM_I2C_MasterTransmit(uint32_t addr, const uint8_t *data, uint32_t num, bool xfer_pending)
{
}

static int32_t ARM_I2C_MasterReceive(uint32_t addr, uint8_t *data, uint32_t num, bool xfer_pending)
{
}

static int32_t ARM_I2C_SlaveTransmit(const uint8_t *data, uint32_t num)
{
}

static int32_t ARM_I2C_SlaveReceive(uint8_t *data, uint32_t num)
{
}

static int32_t ARM_I2C_GetDataCount(void)
{
}

static int32_t ARM_I2C_Control(uint32_t control, uint32_t arg)
{
    switch (control)
    {
    case ARM_I2C_OWN_ADDRESS:
        break;

    case ARM_I2C_BUS_SPEED:
        switch (arg)
        {
        case ARM_I2C_BUS_SPEED_STANDARD:
            break;
        case ARM_I2C_BUS_SPEED_FAST:
            break;
        case ARM_I2C_BUS_SPEED_FAST_PLUS:
            break;
        default:
            return ARM_DRIVER_ERROR_UNSUPPORTED;
        }
        break;

    case ARM_I2C_BUS_CLEAR:
        break;

    case ARM_I2C_ABORT_TRANSFER:
        break;

    default:
        return ARM_DRIVER_ERROR_UNSUPPORTED;
    }
}

static ARM_I2C_STATUS ARM_I2C_GetStatus(void)
{
}

static void ARM_I2C_SignalEvent(uint32_t event)
{
    // function body
}

// End I2C Interface

extern \
ARM_DRIVER_I2C Driver_I2C0;
ARM_DRIVER_I2C Driver_I2C0 = {
    ARM_I2C_GetVersion,
    ARM_I2C_GetCapabilities,
    ARM_I2C_Initialize,
    ARM_I2C_Uninitialize,
    ARM_I2C_PowerControl,
    ARM_I2C_MasterTransmit,
    ARM_I2C_MasterReceive,
    ARM_I2C_SlaveTransmit,
    ARM_I2C_SlaveReceive,
    ARM_I2C_GetDataCount,
    ARM_I2C_Control,
    ARM_I2C_GetStatus
};