/*
 * Copyright (c) 2020 SparkFun Electronics
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include "iom_api.h"
#include "mbed_assert.h"

void iom_init(iom_t *obj)
{
    MBED_ASSERT(obj);

    if (obj->iom.handle) {
        iom_deinit(obj);
    }

    MBED_ASSERT(AM_HAL_STATUS_SUCCESS == am_hal_iom_initialize(obj->iom.inst, &obj->iom.handle));
    MBED_ASSERT(AM_HAL_STATUS_SUCCESS == am_hal_iom_power_ctrl(obj->iom.handle, AM_HAL_SYSCTRL_WAKE, false));
    MBED_ASSERT(AM_HAL_STATUS_SUCCESS == am_hal_iom_configure(obj->iom.handle, &obj->iom.cfg));
    MBED_ASSERT(AM_HAL_STATUS_SUCCESS == am_hal_iom_enable(obj->iom.handle));

    // this merely configures the internal peripheral - the desired pins still need to be configured
}

void iom_deinit(iom_t *obj)
{
    MBED_ASSERT(obj);

    if (!obj->iom.handle) {
        return;
    }

    MBED_ASSERT(AM_HAL_STATUS_SUCCESS == am_hal_iom_disable(obj->iom.handle));
    MBED_ASSERT(AM_HAL_STATUS_SUCCESS == am_hal_iom_power_ctrl(obj->iom.handle, AM_HAL_SYSCTRL_DEEPSLEEP, false));
    MBED_ASSERT(AM_HAL_STATUS_SUCCESS == am_hal_iom_uninitialize(obj->iom.handle));

    obj->iom.handle = NULL;
}