/******************************************************************************
 timer_config.c - nRF52840 timer configuration API Source file for ACK_TIME_OUT and COMMUNICATION_TIMEOUT
 Version: 0.9.1
 Created on: 07/04/2021
 Created by: Rohit Rajapure

 Copyright (c) 2017 Shalaka Connected Devices LLP.  All rights reserved.
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   distribution.

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 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
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 ******************************************************************************/
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>

#include "app_uart.h"
#include "app_error.h"
#include "nrf_delay.h"
#include "nrf_uart.h"
#include "nrf.h"
#include "boards.h"
#include "bsp.h"
#include "nrf_drv_gpiote.h"
#include "nrf_drv_timer.h"
#include "nordic_common.h"
#include "sdk_errors.h"
#include "timer_config.h"
#include "uart_config.h"


/******************************************************************************************
*INSTANCE CREATION
*
*******************************************************************************************/
const nrf_drv_timer_t TIMER_2 = NRF_DRV_TIMER_INSTANCE(2);

/******************************************************************************************
*TASK HANDLES
*
*******************************************************************************************/

/******************************************************************************************
*GLOBAL VARIABLES
*
*******************************************************************************************/



/******************************************************************************************
*EXTERNAL VARIABLES
*
*******************************************************************************************/

/******************************************************************************************
*FUNCTIONS 
*
*******************************************************************************************/

/********************************************************************************************
 * @brief The function to call when ACK Time out timer expires.
 *
 * Handler for timer events
 ********************************************************************************************/
void timer2_timeout_event_handler (nrf_timer_event_t event_type, void* p_context)
{
    nrf_drv_timer_disable(&TIMER_2);
}

/******************************************************************************************
*Acknowledge time out Timer configuration function
*return void
*******************************************************************************************/
void ack_timeout_timer_func(uint32_t ui32TimeOut)
{
    uint32_t time_ms = ui32TimeOut; //Time(in miliseconds) between consecutive compare events.
    uint32_t time_ticks;
    uint32_t err_code = NRF_SUCCESS;
    time_ticks = nrf_drv_timer_ms_to_ticks(&TIMER_2, time_ms);

    nrf_drv_timer_extended_compare(
         &TIMER_2, NRF_TIMER_CC_CHANNEL0, time_ticks, NRF_TIMER_SHORT_COMPARE0_CLEAR_MASK, true);
   
    nrf_drv_timer_clear(&TIMER_2);
    nrf_drv_timer_enable(&TIMER_2);
}

/******************************************************************************************
*Peripheral timer 2 configuration function
*return void
*******************************************************************************************/
void timer_config_func(void)
{
    uint32_t err_code = NRF_SUCCESS;
     //Configure TIMER_2 for generating timer in milliseconds 
    nrf_drv_timer_config_t timer_cfg = NRF_DRV_TIMER_DEFAULT_CONFIG;
    err_code = nrf_drv_timer_init(&TIMER_2, &timer_cfg, timer2_timeout_event_handler);
    if (err_code != NRF_SUCCESS)
    {
        // handle error condition
    }
    
}