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pin_change_init

I want to use P0.10 instead of P0.13.

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  • you said that you have a custom board with schematics that you cannot send, so I am guessing that you know how to modify that.

  • After pin detection the code is stuck some where. Do you have any solution for this?. This is my code.

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    * Copyright (c) 2014 - 2018, Nordic Semiconductor ASA
    *
    * 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, except as embedded into a Nordic
    * Semiconductor ASA integrated circuit in a product or a software update for
    * such product, 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 Nordic Semiconductor ASA nor the names of its
    * contributors may be used to endorse or promote products derived from this
    * software without specific prior written permission.
    *
    * 4. This software, with or without modification, must only be used with a
    * Nordic Semiconductor ASA integrated circuit.
    *
    * 5. Any software provided in binary form under this license must not be reverse
    * engineered, decompiled, modified and/or disassembled.
    *
    * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
    * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
    * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
    * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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    * 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.
    *
    */
    /** @file
    *
    * @defgroup ble_sdk_uart_over_ble_main main.c
    * @{
    * @ingroup ble_sdk_app_nus_eval
    * @brief UART over BLE application main file.
    *
    * This file contains the source code for a sample application that uses the Nordic UART service.
    * This application uses the @ref srvlib_conn_params module.
    */

    #include <stdint.h>
    #include <string.h>

    #include "nordic_common.h"
    #include "nrf.h"
    #include "nrf_drv_saadc.h"
    #include "nrf_drv_rtc.h"
    #include "nrf_drv_power.h"
    #include "nrf_drv_clock.h"
    #include "ble_hci.h"
    #include "ble_advdata.h"
    #include "ble_advertising.h"
    #include "ble_conn_params.h"
    #include "nrf_sdh.h"
    #include "nrf_sdh_soc.h"
    #include "nrf_sdh_ble.h"
    #include "nrf_ble_gatt.h"
    #include "nrf_ble_qwr.h"
    #include "app_timer.h"
    #include "ble_nus.h"
    #include "app_uart.h"
    #include "app_util_platform.h"
    #include "bsp_btn_ble.h"
    #include "nrf_pwr_mgmt.h"
    #include "ble_gap.h"
    #include "boards.h"
    #include "bsp_config.h"
    #include "nrf_gpiote.h"
    #include "app_scheduler.h"
    #include "pca10040.h"
    #include "boards.h"
    #include "app_uart.h"
    #include "nrf_drv_gpiote.h"
    //#include "nrf_soc.h"
    //#include "nrf_fstorage.h"
    #include "nrf_delay.h"
    //#include "nrf_fstorage_sd.h"

    #if defined (UART_PRESENT)
    #include "nrf_uart.h"
    #endif
    #if defined (UARTE_PRESENT)
    #include "nrf_uarte.h"
    #endif

    #include "nrf_log.h"
    #include "nrf_log_ctrl.h"
    #include "nrf_log_default_backends.h"

    #define APP_BLE_CONN_CFG_TAG 0 /**< A tag identifying the SoftDevice BLE configuration. */

    #define DEVICE_NAME /**< Name of device. Will be included in the advertising data. */
    //#define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */

    #define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */

    #define APP_ADV_INTERVAL 1600 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 40 ms). */

    #define APP_ADV_DURATION 0 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */

    #define MIN_CONN_INTERVAL MSEC_TO_UNITS(20, UNIT_1_25_MS) /**< Minimum acceptable connection interval (20 ms), Connection interval uses 1.25 ms units. */
    #define MAX_CONN_INTERVAL MSEC_TO_UNITS(75, UNIT_1_25_MS) /**< Maximum acceptable connection interval (75 ms), Connection interval uses 1.25 ms units. */
    #define SLAVE_LATENCY 0 /**< Slave latency. */
    #define CONN_SUP_TIMEOUT MSEC_TO_UNITS(20000, UNIT_10_MS) /**< Connection supervisory timeout (4 seconds), Supervision Timeout uses 10 ms units. */
    #define FIRST_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(100) /**< Time from initiating event (connect or start of notification) to first time sd_ble_gap_conn_param_update is called (5 seconds). */
    #define NEXT_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(500) /**< Time between each call to sd_ble_gap_conn_param_update after the first call (30 seconds). */
    #define MAX_CONN_PARAMS_UPDATE_COUNT 7 /**< Number of attempts before giving up the connection parameter negotiation. */

    #define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */

    #define UART_TX_BUF_SIZE 256 /**< UART TX buffer size. */
    #define UART_RX_BUF_SIZE 256 /**< UART RX buffer size. */
    #define SEC_PARAM_BOND 1 /**< Perform bonding. */
    #define SEC_PARAM_MITM 0 /**< Man In The Middle protection not required. */
    #define SEC_PARAM_IO_CAPABILITIES BLE_GAP_IO_CAPS_NONE /**< Display Only capabilities. */
    #define SEC_PARAM_OOB 0 /**< Out Of Band data not available. */
    #define SEC_PARAM_MIN_KEY_SIZE 7 /**< Minimum encryption key size. */
    #define SEC_PARAM_MAX_KEY_SIZE 16 /**< Maximum encryption key size. */
    #define U8_CMD_MAX_STRING 10
    #define U8_MAX_CMD_ENTRIES 5
    #define SUCCESS 1
    #define FAIL 0
    #define TRUE 1
    #define FALSE 0
    #define U8_MOTION_THRESHOLD 30
    #define U8_NO_MOTION_THRESHOLD 5
    #define U8_MOTION_DETECT_WT 5
    #define U8_MAX_MOTION_DETECT_CNT 60
    #define U8_MOTION_NOT_DETECT_WT 3
    #define U8_NO_RPM_DETECTED 10
    #define U8_NO_RPM_TRIPEND_CNT 5
    #define U8_NO_RPM_DETECT 2
    #define U8_VALID_RPM 60
    #define U8_RTC_RESOLUTION 30//(1000000/32768)
    #define APP_TIMER_DELAY APP_TIMER_TICKS(1000)
    #define TX_POWER_LEVEL (-12) /**< (-12) 10 meter - TX Power Level value. This will be set both in the TX Power service, in the advertising data, and also used to set the radio transmit power. */


    #define SAADC_CALIBRATION_INTERVAL 5 //Determines how often the SAADC should be calibrated relative to NRF_DRV_SAADC_EVT_DONE event. E.g. value 5 will make the SAADC calibrate every fifth time the NRF_DRV_SAADC_EVT_DONE is received.
    #define SAADC_SAMPLES_IN_BUFFER 4 //Number of SAADC samples in RAM before returning a SAADC event. For low power SAADC set this constant to 1. Otherwise the EasyDMA will be enabled for an extended time which consumes high current.
    #define SAADC_OVERSAMPLE NRF_SAADC_OVERSAMPLE_4X //Oversampling setting for the SAADC. Setting oversample to 4x This will make the SAADC output a single averaged value when the SAMPLE task is triggered 4 times. Enable BURST mode to make the SAADC sample 4 times when triggering SAMPLE task once.
    #define SAADC_BURST_MODE 1 //Set to 1 to enable BURST mode, otherwise set to 0.

    #define ADC_REF_VOLTAGE_IN_MILLIVOLTS 600 /**< Reference voltage (in milli volts) used by ADC while doing conversion. */
    #define ADC_PRE_SCALING_COMPENSATION 6 /**< The ADC is configured to use VDD with 1/3 prescaling as input. And hence the result of conversion is to be multiplied by 3 to get the actual value of the battery voltage.*/
    #define DIODE_FWD_VOLT_DROP_MILLIVOLTS 270 /**< Typical forward voltage drop of the diode . */
    #define ADC_RES_10BIT 1024 /**< Maximum digital value for 10-bit ADC conversion. */
    #define NON_CONNECTABLE_ADV_INTERVAL MSEC_TO_UNITS(3000, UNIT_0_625_MS) /**< The advertising interval for non-connectable advertisement (100 ms). This value can vary between 100ms to 10.24s). */

    #define APP_BEACON_INFO_LENGTH 0x1A /**< Total length of information advertised by the Beacon. */
    #define APP_ADV_DATA_LENGTH 0x1A /**< Length of manufacturer specific data in the advertisement. */
    #define APP_DEVICE_TYPE 0x02 /**< 0x02 refers to Beacon. */
    #define APP_MEASURED_RSSI 0xC3 /**< The Beacon's measured RSSI at 1 meter distance in dBm. */
    #define APP_COMPANY_IDENTIFIER 0x0059 /**< Company identifier for Nordic Semiconductor ASA. as per www.bluetooth.org. */
    /**< Proprietary UUID for Beacon. */
    #define NACK 0x81

    #define CONNECTABLE_BEACON 0x1f
    #define NON_CONNECTABLE_BEACON 0x00

    #define UUID_COMMAND 0x21
    #define LATLONG_COMMAND 0x22

    #define UUID_COMMAND_LENGTH 0x11 //17
    #define LATLONG_COMMAND_LENGTH 0x09
    #define MAGNETIC_PIN_INPUT 10
    #define ADC_RESULT_IN_MILLI_VOLTS(ADC_VALUE)\
    ((((ADC_VALUE) * ADC_REF_VOLTAGE_IN_MILLIVOLTS) / ADC_RES_10BIT) * ADC_PRE_SCALING_COMPENSATION)

    //static void uart_init(void);
    BLE_NUS_DEF(m_nus, NRF_SDH_BLE_TOTAL_LINK_COUNT); /**< BLE NUS service instance. */
    NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */
    NRF_BLE_QWR_DEF(m_qwr); /**< Context for the Queued Write module.*/
    BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */
    APP_TIMER_DEF(m_timer_id);

    static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */
    static uint16_t m_ble_nus_max_data_len = BLE_GATT_ATT_MTU_DEFAULT - 3; /**< Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */
    //static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifier. */
    //{
    // {BLE_UUID_NUS_SERVICE, NUS_SERVICE_UUID_TYPE}
    //};

    unsigned int gu32_Cumulativetime = 0;
    unsigned int gu32_CurrentAddress = 0;
    unsigned int gu32_CurRPMVal = 0;
    unsigned int gu32_PrevRPMVal = 0;
    uint8_t gu8_ActivateStatus = FALSE;
    unsigned int gu32_BattVolt = 0;

    uint8_t gu8_VibrationCount = 0;

    //static void on_conn_params_evt(ble_conn_params_evt_t * p_evt);
    typedef struct
    {
    int8_t ms8_Command[U8_CMD_MAX_STRING];
    uint8_t (*function_ptr)(uint8_t *lu8p_RespBuff,uint8_t *lu8p_ResultPtr ,uint8_t *lu8_SavePtr);
    }st_btmcfgCommand_t;

    //static ble_gap_sec_params_t gst_secparams;
    static void apptimer_Init(void);
    //void rtc2_open(void);
    void rtc2_start(void);
    void rtc2_stop(void);
    uint32_t rtc2_GetRtcCounterValue(void);
    void rtc2_close(void);
    void rtc2_resetCounter(void);
    void gpiote_MagSenseInit(void);
    void pwr_VariablesInit(void);
    void pwr_MagSensEnable(void);
    void pwr_MagSensDisable(void);
    void pwr_VibrationDetectEnable(void);
    void pwr_VibrationDetectDisable(void);
    void gpiote_Vibrationinit(void);
    void app_timer_handler(void * p_context);
    void gpiote_MagSenseIntEn(void);
    void gpiote_MagSenseIntDis(void);
    static void power_manage(void);
    void GPIOTE_IRQHandler(void);
    void apptimer_Start(void);
    //static void advertising_start(void);
    int16_t saadc_init(void);
    int16_t saadc_measure(void);
    //void _init(void);
    //static void fs_event_handler(nrf_fstorage_evt_t * evt);
    void RetriveCumulativetime(void);
    //void storeCumulativetime(void);
    static void tx_power_set(void);
    static void advertising_start(void);
    uint8_t btm_ExecuteSetTimeReq(uint8_t *lu8p_RespBuff,uint8_t *lu8p_Result, uint8_t *lu8p_SavePtr);
    uint8_t btm_ExecuteSetGearReq(uint8_t *lu8p_RespBuff,uint8_t *lu8p_Result, uint8_t *lu8p_SavePtr);
    uint8_t btm_ExecuteSetRateReq(uint8_t *lu8p_RespBuff,uint8_t *lu8p_Result, uint8_t *lu8p_SavePtr);
    uint8_t btm_ExecuteGetRPMReq(uint8_t *lu8p_RespBuff,uint8_t *lu8p_Result, uint8_t *lu8p_SavePtr);
    uint8_t btm_ExecuteSetActivateReq(uint8_t *lu8p_RespBuff,uint8_t *lu8p_Result, uint8_t *lu8p_SavePtr);
    uint8_t btm_CmdProcess(uint8_t *lu8p_CmdBuff,uint8_t *lu8p_ResBuf);
    static void advertising_init(uint8_t AdvMode);

    uint8_t test_array[30]={0x00,0x00,0x00,0x15,0x23,0x12,0x12,0xEF,0xDE,0x15,0x23,0x78,0x5F,0xEA,0xBC,0xD1,0x23,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,0x00,0x00,0x00,0x00,0x00};
    uint8_t remote_char_data[30];
    uint8_t custom_char_data[26];
    void remote_To_custom_char(uint8_t *r_data, int r_size);
    uint8_t command;
    uint8_t ack;
    uint8_t nack;
    uint8_t uuid_arr[16];
    uint8_t lat_long_arr[8];
    uint16_t length;
    uint8_t ble_rec_buffer[30];

    uint8_t flag_uuidrec=0;
    uint8_t flag_latlongrec=0;
    uint8_t flag_datarec;

    static ble_gap_adv_params_t m_adv_params; /**< Parameters to be passed to the stack when starting advertising. */
    static uint8_t m_adv_handle = BLE_GAP_ADV_SET_HANDLE_NOT_SET; /**< Advertising handle used to identify an advertising set. */
    static uint8_t m_enc_advdata[BLE_GAP_ADV_SET_DATA_SIZE_MAX]; /**< Buffer for storing an encoded advertising set. */
    static ble_gap_adv_data_t m_adv_data =
    {
    .adv_data =
    {
    .p_data = m_enc_advdata,
    .len = BLE_GAP_ADV_SET_DATA_SIZE_MAX
    },
    .scan_rsp_data =
    {
    .p_data = NULL,
    .len = 0

    }
    };


    /**************************************************************************
    * Function Name : apptimer_Init
    *
    * Description : initializing app timer for 1 sec
    *
    * Arguments : None
    *
    * Return values : None
    *
    ****************************************************************************/
    static void apptimer_Init(void)
    {
    ret_code_t err_code = app_timer_init();
    APP_ERROR_CHECK(err_code);
    // Create 1sec timer.
    //app_timer_create(&m_timer_id,APP_TIMER_MODE_REPEATED,app_timer_handler);
    }
    /******************************************************************************
    * Function Name : apptimer_Start
    *
    * Description : start rtc1 in timer mode repeated every 1 sec
    *
    * Arguments : void
    *
    * Return Values : void
    ******************************************************************************/
    void apptimer_Start(void)
    {
    app_timer_start(m_timer_id,APP_TIMER_DELAY, NULL );
    }

    /******************************************************************************
    * Function Name : saadc_event_handler
    *
    * Description : Do nothing, as we use blocking mode
    *
    * Arguments :
    *
    * Return Values : Void
    ******************************************************************************/
    void saadc_event_handler(nrf_drv_saadc_evt_t const * p_event)
    {
    // Do nothing, as we use blocking mode
    }

    int16_t saadc_measure(void)
    {
    nrf_saadc_value_t value;
    nrf_drv_saadc_sample_convert(0, &value);
    return ADC_RESULT_IN_MILLI_VOLTS(value);
    }


    /**@brief Function for assert macro callback.
    *
    * @details This function will be called in case of an assert in the SoftDevice.
    *
    * @warning This handler is an example only and does not fit a final product. You need to analyse
    * how your product is supposed to react in case of Assert.
    * @warning On assert from the SoftDevice, the system can only recover on reset.
    *
    * @param[in] line_num Line number of the failing ASSERT call.
    * @param[in] p_file_name File name of the failing ASSERT call.
    */
    void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name)
    {
    app_error_handler(DEAD_BEEF, line_num, p_file_name);
    }
    /**@brief Function for the GAP initialization.
    *
    * @details This function will set up all the necessary GAP (Generic Access Profile) parameters of
    * the device. It also sets the permissions and appearance.
    */
    static void gap_params_init(void)
    {
    uint32_t err_code;
    ble_gap_conn_params_t gap_conn_params;
    ble_gap_conn_sec_mode_t sec_mode;

    BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);

    err_code = sd_ble_gap_device_name_set(&sec_mode,
    (const uint8_t *) DEVICE_NAME,
    strlen(DEVICE_NAME));
    APP_ERROR_CHECK(err_code);

    memset(&gap_conn_params, 0, sizeof(gap_conn_params));

    gap_conn_params.min_conn_interval = MIN_CONN_INTERVAL;
    gap_conn_params.max_conn_interval = MAX_CONN_INTERVAL;
    gap_conn_params.slave_latency = SLAVE_LATENCY;
    gap_conn_params.conn_sup_timeout = CONN_SUP_TIMEOUT;

    err_code = sd_ble_gap_ppcp_set(&gap_conn_params);
    APP_ERROR_CHECK(err_code);

    // Update security parameters for connection reply
    // gst_secparams.bond = SEC_PARAM_BOND;
    // gst_secparams.mitm = SEC_PARAM_MITM;
    // gst_secparams.io_caps = SEC_PARAM_IO_CAPABILITIES;
    // gst_secparams.oob = SEC_PARAM_OOB;
    // gst_secparams.min_key_size = SEC_PARAM_MIN_KEY_SIZE;
    // gst_secparams.max_key_size = SEC_PARAM_MAX_KEY_SIZE;
    }


    /**@brief Function for handling Queued Write Module errors.
    *
    * @details A pointer to this function will be passed to each service which may need to inform the
    * application about an error.
    *
    * @param[in] nrf_error Error code containing information about what went wrong.
    */
    static void nrf_qwr_error_handler(uint32_t nrf_error)
    {
    APP_ERROR_HANDLER(nrf_error);
    }


    /**@brief Function for handling the data from the Nordic UART Service.
    *
    * @details This function will process the data received from the Nordic UART BLE Service and send
    * it to the UART module.
    *
    * @param[in] p_evt Nordic UART Service event.
    */
    /**@snippet [Handling the data received over BLE] */

    static void nus_data_handler(ble_nus_evt_t * p_evt)
    {

    if (p_evt->type == BLE_NUS_EVT_RX_DATA)
    {

    memcpy(ble_rec_buffer, p_evt->params.rx_data.p_data, p_evt->params.rx_data.length);
    command= ble_rec_buffer[0];

    if(command==UUID_COMMAND && p_evt->params.rx_data.length == UUID_COMMAND_LENGTH)
    {
    flag_uuidrec=1;
    memcpy(uuid_arr, ble_rec_buffer+1, sizeof(ble_rec_buffer)-13);
    ack=command+0x10;
    length=1;
    ble_nus_data_send(&m_nus, &ack, &length, m_conn_handle);
    }

    else if(command==LATLONG_COMMAND && p_evt->params.rx_data.length==LATLONG_COMMAND_LENGTH )
    {
    flag_latlongrec=1;
    memcpy(lat_long_arr, ble_rec_buffer+1, sizeof(ble_rec_buffer)-21);
    ack=command+0x10;
    length=1;
    ble_nus_data_send(&m_nus, &ack, &length, m_conn_handle);
    }

    else
    {
    flag_uuidrec=0;
    flag_latlongrec=0;
    nack=NACK;
    length=1;
    ble_nus_data_send(&m_nus, &nack, &length, m_conn_handle);
    }
    }
    memcpy(custom_char_data+1, uuid_arr, sizeof(uuid_arr));

    custom_char_data[(sizeof(remote_char_data)-14)+1]= 0x64;

    memcpy(custom_char_data+18, lat_long_arr, sizeof(lat_long_arr));
    }

    void remote_To_custom_char(uint8_t *r_data, int r_size)
    {
    memcpy(custom_char_data+1, r_data+1, r_size-14);

    custom_char_data[(r_size-14)+1]= 0x64;

    memcpy(custom_char_data+18, r_data+17, r_size-14);
    }
    /**@snippet [Handling the data received over BLE] */


    /**@brief Function for initializing services that will be used by the application.
    */
    static void services_init(void)
    {
    uint32_t err_code;
    ble_nus_init_t nus_init;
    nrf_ble_qwr_init_t qwr_init = {0};

    // Initialize Queued Write Module.
    qwr_init.error_handler = nrf_qwr_error_handler;

    err_code = nrf_ble_qwr_init(&m_qwr, &qwr_init);
    APP_ERROR_CHECK(err_code);

    // Initialize NUS.
    memset(&nus_init, 0, sizeof(nus_init));

    nus_init.data_handler = nus_data_handler;

    err_code = ble_nus_init(&m_nus, &nus_init);
    APP_ERROR_CHECK(err_code);
    }
    //

    /**@brief Function for handling an event from the Connection Parameters Module.
    *
    * @details This function will be called for all events in the Connection Parameters Module
    * which are passed to the application.
    *
    * @note All this function does is to disconnect. This could have been done by simply setting
    * the disconnect_on_fail config parameter, but instead we use the event handler
    * mechanism to demonstrate its use.
    *
    * @param[in] p_evt Event received from the Connection Parameters Module.
    */

    /**@brief Function for handling errors from the Connection Parameters module.
    *
    * @param[in] nrf_error Error code containing information about what went wrong.
    */
    static void conn_params_error_handler(uint32_t nrf_error)
    {
    APP_ERROR_HANDLER(nrf_error);
    }


    /**@brief Function for initializing the Connection Parameters module.
    */
    static void conn_params_init(void)
    {
    uint32_t err_code;
    ble_conn_params_init_t cp_init;

    memset(&cp_init, 0, sizeof(cp_init));

    cp_init.p_conn_params = NULL;
    cp_init.first_conn_params_update_delay = FIRST_CONN_PARAMS_UPDATE_DELAY;
    cp_init.next_conn_params_update_delay = NEXT_CONN_PARAMS_UPDATE_DELAY;
    cp_init.max_conn_params_update_count = MAX_CONN_PARAMS_UPDATE_COUNT;
    cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID;
    cp_init.disconnect_on_fail = false;
    // cp_init.evt_handler = on_conn_params_evt;
    cp_init.error_handler = conn_params_error_handler;

    // cp_init.p_conn_params->min_conn_interval = MIN_CONN_INTERVAL;
    // cp_init.p_conn_params->max_conn_interval = MAX_CONN_INTERVAL;
    // cp_init.p_conn_params->slave_latency = SLAVE_LATENCY;
    // cp_init.p_conn_params->conn_sup_timeout = CONN_SUP_TIMEOUT;

    err_code = ble_conn_params_init(&cp_init);
    APP_ERROR_CHECK(err_code);
    }


    /**@brief Function for handling BLE events.
    *
    * @param[in] p_ble_evt Bluetooth stack event.
    * @param[in] p_context Unused.
    */
    static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context)
    {
    uint32_t err_code;

    switch (p_ble_evt->header.evt_id)
    {
    case BLE_GAP_EVT_CONNECTED:

    m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
    err_code = nrf_ble_qwr_conn_handle_assign(&m_qwr, m_conn_handle);
    APP_ERROR_CHECK(err_code);


    break;

    case BLE_GAP_EVT_DISCONNECTED:


    //m_conn_handle = BLE_CONN_HANDLE_INVALID;
    if(flag_uuidrec && flag_latlongrec)
    {
    sd_ble_gap_adv_stop(m_adv_handle);
    memset(custom_char_data,0,sizeof(custom_char_data));
    advertising_init(BLE_GAP_ADV_TYPE_NONCONNECTABLE_SCANNABLE_UNDIRECTED);
    advertising_start();
    flag_uuidrec=0;
    flag_latlongrec=0;
    break;
    }
    else{
    sd_ble_gap_adv_stop(m_adv_handle);
    advertising_init(BLE_GAP_ADV_TYPE_CONNECTABLE_SCANNABLE_UNDIRECTED);
    advertising_start();
    break;
    }


    case BLE_GAP_EVT_PHY_UPDATE_REQUEST:
    {

    ble_gap_phys_t const phys =
    {
    .rx_phys = BLE_GAP_PHY_AUTO,
    .tx_phys = BLE_GAP_PHY_AUTO,
    };
    err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys);
    APP_ERROR_CHECK(err_code);
    } break;

    case BLE_GAP_EVT_SEC_PARAMS_REQUEST:
    //printf("BLE_GAP_EVT_SEC_PARAMS_REQUEST");
    // Pairing not supported
    // err_code = sd_ble_gap_sec_params_reply(m_conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL);
    // APP_ERROR_CHECK(err_code);
    break;

    case BLE_GATTS_EVT_SYS_ATTR_MISSING:
    \
    // No system attributes have been stored.
    err_code = sd_ble_gatts_sys_attr_set(m_conn_handle, NULL, 0, 0);
    APP_ERROR_CHECK(err_code);
    break;

    case BLE_GATTC_EVT_TIMEOUT:
    \
    // Disconnect on GATT Client timeout event.
    // err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle,
    // BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
    // APP_ERROR_CHECK(err_code);
    break;

    case BLE_GATTS_EVT_TIMEOUT:
    \
    // Disconnect on GATT Server timeout event.
    err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle,
    BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
    APP_ERROR_CHECK(err_code);
    break;

    default:
    // No implementation needed.
    break;
    }
    }
    /**@brief Function for the SoftDevice initialization.
    *
    * @details This function initializes the SoftDevice and the BLE event interrupt.
    */
    static void ble_stack_init(void)
    {
    ret_code_t err_code;

    err_code = nrf_sdh_enable_request();
    APP_ERROR_CHECK(err_code);

    // Configure the BLE stack using the default settings.
    // Fetch the start address of the application RAM.
    uint32_t ram_start =0;
    err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start);
    APP_ERROR_CHECK(err_code);

    // Enable BLE stack.
    err_code = nrf_sdh_ble_enable(&ram_start);
    APP_ERROR_CHECK(err_code);

    // Register a handler for BLE events.
    NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL);
    }


    /**@brief Function for handling events from the GATT library. */
    void gatt_evt_handler(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_t const * p_evt)
    {
    if ((m_conn_handle == p_evt->conn_handle) && (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED))
    {
    m_ble_nus_max_data_len = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH;
    NRF_LOG_INFO("Data len is set to 0x%X(%d)", m_ble_nus_max_data_len, m_ble_nus_max_data_len);
    printf("Gatt_event_success");
    }
    else

    NRF_LOG_DEBUG("ATT MTU exchange completed. central 0x%x peripheral 0x%x",
    p_gatt->att_mtu_desired_central,
    p_gatt->att_mtu_desired_periph);

    }


    /**@brief Function for initializing the GATT library. */
    void gatt_init(void)
    {
    ret_code_t err_code;

    err_code = nrf_ble_gatt_init(&m_gatt, gatt_evt_handler);
    APP_ERROR_CHECK(err_code);

    err_code = nrf_ble_gatt_att_mtu_periph_set(&m_gatt, NRF_SDH_BLE_GATT_MAX_MTU_SIZE);
    APP_ERROR_CHECK(err_code);
    }


    /**@brief Function for handling events from the BSP module.
    *
    * @param[in] event Event generated by button press.
    */
    void bsp_event_handler(bsp_event_t event)
    {
    uint32_t err_code;
    switch (event)
    {
    case BSP_EVENT_SLEEP:
    //advertising_start(); // advertising forever
    break;
    //
    case BSP_EVENT_DISCONNECT:
    // advertising_start(); // advertising forever
    break;

    case BSP_EVENT_WHITELIST_OFF:
    if (m_conn_handle == BLE_CONN_HANDLE_INVALID)
    {
    err_code = ble_advertising_restart_without_whitelist(&m_advertising);
    if (err_code != NRF_ERROR_INVALID_STATE)
    {
    APP_ERROR_CHECK(err_code);
    }
    }
    break;

    default:
    break;
    }
    }

    static void advertising_init(uint8_t AdvMode)
    {
    uint32_t err_code;
    ble_advdata_t advdata;
    //uint8_t flags = BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED;

    ble_advdata_manuf_data_t manuf_specific_data;

    manuf_specific_data.company_identifier = APP_COMPANY_IDENTIFIER;

    if(AdvMode ==BLE_GAP_ADV_TYPE_CONNECTABLE_SCANNABLE_UNDIRECTED)

    {

    custom_char_data[0]=CONNECTABLE_BEACON;

    }
    else
    {

    custom_char_data[0]=NON_CONNECTABLE_BEACON;

    }

    manuf_specific_data.data.p_data = (uint8_t *) custom_char_data;
    manuf_specific_data.data.size = APP_BEACON_INFO_LENGTH;

    // Build and set advertising data.
    memset(&advdata, 0, sizeof(advdata));

    advdata.name_type = BLE_ADVDATA_NO_NAME;
    //advdata.flags = flags;
    advdata.p_manuf_specific_data = &manuf_specific_data;

    // Initialize advertising parameters (used when starting advertising).
    memset(&m_adv_params, 0, sizeof(m_adv_params));

    m_adv_params.properties.type = AdvMode;
    m_adv_params.p_peer_addr = NULL; // Undirected advertisement.
    m_adv_params.filter_policy = BLE_GAP_ADV_FP_ANY;
    m_adv_params.interval = NON_CONNECTABLE_ADV_INTERVAL;
    m_adv_params.duration = 0; // Never time out.

    err_code = ble_advdata_encode(&advdata, m_adv_data.adv_data.p_data, &m_adv_data.adv_data.len);
    APP_ERROR_CHECK(err_code);

    err_code = sd_ble_gap_adv_set_configure(&m_adv_handle, &m_adv_data, &m_adv_params);
    APP_ERROR_CHECK(err_code);
    }
    /**@brief Function for waiting for event
    */
    static void power_manage(void)
    {
    sd_app_evt_wait();
    }

    /**@brief Function for starting advertising.
    */
    static void advertising_start(void)
    {
    ret_code_t err_code;

    err_code = sd_ble_gap_adv_start(m_adv_handle, APP_BLE_CONN_CFG_TAG);
    APP_ERROR_CHECK(err_code);
    }


    /******************************************************************************
    * Function Name : tx_power_set
    *
    * Description : Setting TX power level
    *
    * Arguments : void
    *
    * Return Values : void
    ******************************************************************************/
    static void tx_power_set(void)
    {
    uint32_t err_code = sd_ble_gap_tx_power_set(BLE_GAP_TX_POWER_ROLE_ADV, m_advertising.adv_handle, TX_POWER_LEVEL);
    APP_ERROR_CHECK(err_code);
    }

    void in_pin_handler(nrf_drv_gpiote_pin_t pin, nrf_gpiote_polarity_t action)
    {
    ack=0x10;
    length=1;
    ble_nus_data_send(&m_nus, &ack, &length, m_conn_handle);
    }
    static void gpio_init(void)
    {
    ret_code_t err_code;
    err_code = nrf_drv_gpiote_init();
    APP_ERROR_CHECK(err_code);
    nrf_drv_gpiote_in_config_t in_config = GPIOTE_RAW_CONFIG_IN_SENSE_HITOLO(true);
    in_config.pull = NRF_GPIO_PIN_PULLUP;
    err_code = nrf_drv_gpiote_in_init(MAGNETIC_PIN_INPUT, &in_config, in_pin_handler);
    APP_ERROR_CHECK(err_code);
    nrf_drv_gpiote_in_event_enable(MAGNETIC_PIN_INPUT, true);
    }

    int main(void)
    {
    gpio_init();
    apptimer_Init();
    //rtc2_open();
    //saadc_init();
    ble_stack_init();
    sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE);
    gap_params_init();
    gatt_init();
    services_init();
    memset(custom_char_data,0,sizeof(custom_char_data));
    advertising_init(BLE_GAP_ADV_TYPE_CONNECTABLE_SCANNABLE_UNDIRECTED);
    conn_params_init();

    advertising_start();

    tx_power_set();
    //


    for (;;)
    {
    app_sched_execute();
    power_manage();
    }
    }
    /**
    * @}
    */

  • Pl don't keep me waiting endlessly, conclude it. Do you have any knowledge on that or not.

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