/**
 * This software is subject to the ANT+ Shared Source License
 * www.thisisant.com/swlicenses
 * Copyright (c) Dynastream Innovations, Inc. 2015
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 * 1) Redistributions of source code must retain the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer.
 * 
 * 2) Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 * 
 * 3) Neither the name of Dynastream nor the names of its
 *    contributors may be used to endorse or promote products
 *    derived from this software without specific prior
 *    written permission.
 * 
 * The following actions are prohibited:
 * 1) Redistribution of source code containing the ANT+ Network
 *    Key. The ANT+ Network Key is available to ANT+ Adopters.
 *    Please refer to http://thisisant.com to become an ANT+
 *    Adopter and access the key.
 * 
 * 2) Reverse engineering, decompilation, and/or disassembly of
 *    software provided in binary form under this license.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; DAMAGE TO ANY DEVICE, LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE. SOME STATES DO NOT ALLOW
 * THE EXCLUSION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE
 * ABOVE LIMITATIONS MAY NOT APPLY TO YOU.
 * 
 */

/**@file
 * @brief The main file for the ANT Scan and Forward demo.
 *
 * @defgroup ant_scan_and_forward_example ANT Scan and Forward Demo
 * @{
 * @ingroup nrf_ant_scan_and_forward
 *
 * Before compiling this example for NRF52, complete the following steps:
 * - Download the S212 SoftDevice from <a href="https://www.thisisant.com/developer/components/nrf52832" target="_blank">thisisant.com</a>.
 * - Extract the downloaded zip file and copy the S212 SoftDevice headers to <tt>\<InstallFolder\>/components/softdevice/s212/headers</tt>.
 * If you are using Keil packs, copy the files into a @c headers folder in your example folder.
 * - Make sure that @ref ANT_LICENSE_KEY in @c nrf_sdm.h is uncommented.
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include "nrf.h"
#include "bsp.h"
#include "boards.h"
#include "hardfault.h"
#include "nrf_gpio.h"
#include "app_error.h"
#include "app_timer.h"
#include "commands.h"
#include "scan_and_forward.h"
#include "ant_parameters.h"
#include "softdevice_handler.h"
#include "ant_stack_config.h"

#define APP_TIMER_PRESCALER           0x00      /**< Value of the RTC1 PRESCALER register. */
#define APP_TIMER_OP_QUEUE_SIZE       0x04      /**< Size of timer operation queues. */

/**@brief Function for dispatching a ANT stack event to all modules with a ANT stack event handler.
 *
 * @details This function is called from the ANT Stack event interrupt handler after a ANT stack
 *          event has been received.
 *
 * @param[in] p_ant_evt  ANT stack event.
 */
void ant_evt_dispatch(ant_evt_t * p_ant_evt)
{
    switch (p_ant_evt->channel)
    {
        case SF_ANT_BS_CHANNEL_NUMBER:
            sf_background_scanner_process(p_ant_evt);
            break;

        case SF_ANT_MS_CHANNEL_NUMBER:
            sf_master_beacon_process(p_ant_evt);
            break;

        default:
            break;
    }
}


/**@brief Function for the Timer and BSP initialization.
 */
static void utils_setup(void)
{
    uint32_t err_code;

    APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, false);
    err_code = bsp_init(BSP_INIT_LED | BSP_INIT_BUTTONS,
                        APP_TIMER_TICKS(100, APP_TIMER_PRESCALER),
                        sf_bsp_evt_handler);
    APP_ERROR_CHECK(err_code);
}


/**@brief Function for ANT stack initialization.
 *
 * @details Initializes the SoftDevice and the ANT event interrupt.
 */
static void softdevice_setup(void)
{
    uint32_t err_code;

    nrf_clock_lf_cfg_t clock_lf_cfg = NRF_CLOCK_LFCLKSRC;

    err_code = softdevice_ant_evt_handler_set(ant_evt_dispatch);
    APP_ERROR_CHECK(err_code);

    err_code = softdevice_handler_init(&clock_lf_cfg, NULL, 0, NULL);
    APP_ERROR_CHECK(err_code);

    err_code = ant_stack_static_config();
    APP_ERROR_CHECK(err_code);
}


/**@brief Initializes the battery board switches as inputs.
 */
void switch_init(void)
{
#if defined(BSP_SWITCH_0) && defined(BSP_SWITCH_1) && defined(BSP_SWITCH_2) && \
    defined(BSP_SWITCH_3) && defined(BSP_SWITCH_4) // Only initialize switches on boards which have switches defined
    nrf_gpio_cfg_input(BSP_SWITCH_0, SWITCH_PULL);
    nrf_gpio_cfg_input(BSP_SWITCH_1, SWITCH_PULL);
    nrf_gpio_cfg_input(BSP_SWITCH_2, SWITCH_PULL);
    nrf_gpio_cfg_input(BSP_SWITCH_3, SWITCH_PULL);
    nrf_gpio_cfg_input(BSP_SWITCH_4, SWITCH_PULL);
#endif
}


/** @brief The main function
 */
int main(void)
{
    uint32_t err_code;

    switch_init();
    utils_setup();
    softdevice_setup();

    sf_init();

    // Enter main loop
    for (;;)
    {
        err_code = sd_app_evt_wait();
        APP_ERROR_CHECK(err_code);
    }
}


/**
 *@}
 **/
