/* Copyright (c) 2015 Nordic Semiconductor. All Rights Reserved.

*

* The information contained herein is property of Nordic Semiconductor ASA.

* Terms and conditions of usage are described in detail in NORDIC

* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.

*

* Licensees are granted free, non-transferable use of the information. NO

* WARRANTY of ANY KIND is provided. This heading must NOT be removed from

* the file.

*

*/

/** @file

*

* @defgroup ble_sdk_bluetoothds_template_main main.c

* @{

* @ingroup bluetoothds_template

* @brief bluetoothds_template main file.

*

* This file contains a template for creating a new application using Bluetooth Developper Studio generated code.

* It has the code necessary to wakeup from button, advertise, get a connection restart advertising on disconnect and if no new

* connection created go back to system-off mode.

* It can easily be used as a starting point for creating a new application, the comments identified

* with 'YOUR_JOB' indicates where and how you can customize.

*/

#include <stdint.h>

#include <string.h>

#include "nordic_common.h"

#include "nrf.h"

#include "app_error.h"

#include "nrf51_bitfields.h"

#include "nrf_adc.h"

#include "ble.h"

#include "ble_hci.h"

#include "ble_srv_common.h"

#include "ble_advdata.h"

#include "ble_advertising.h"

#include "ble_conn_params.h"

#include "boards.h"

#include "softdevice_handler.h"

#include "app_timer.h"

#include "device_manager.h"

#include "pstorage.h"

#include "app_trace.h"

#include "bsp.h"

#include "bsp_btn_ble.h"

#include "ble_adconvert_service.h"

#include "service_if.h"

#ifdef ENABLE_DEBUG_LOG_SUPPORT

#include "app_uart.h"

#endif //ENABLE_DEBUG_LOG_SUPPORT

#ifdef NRF51_DEBUG_RTT

#include "SEGGER_RTT.h"

#endif //NRF51_DEBUG_RTT

#define IS_SRVC_CHANGED_CHARACT_PRESENT 1 /**< Include or not the service_changed characteristic. if not enabled, the server's database cannot be changed for the lifetime of the device*/

#define DEVICE_NAME "FootPressure" /**< Name of device. Will be included in the advertising data. */

#define MANUFACTURER_NAME "hiro99ma works" /**< Manufacturer. Will be passed to Device Information Service. */

#define APP_ADV_INTERVAL 300 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 25 ms). */

#define APP_ADV_TIMEOUT_IN_SECONDS 180 /**< The advertising timeout in units of seconds. */

#define APP_TIMER_PRESCALER 0 /**< Value of the RTC1 PRESCALER register. */

//#define APP_TIMER_MAX_TIMERS (6+BSP_APP_TIMERS_NUMBER+1) /**< Maximum number of simultaneously created timers. */

#define APP_TIMER_OP_QUEUE_SIZE 4 /**< Size of timer operation queues. */

#define APP_TIMER_ADC_INTERVAL APP_TIMER_TICKS(ADC_PERIOD, APP_TIMER_PRESCALER) /**< ADC interval (ticks). */

#define MIN_CONN_INTERVAL MSEC_TO_UNITS(100, UNIT_1_25_MS) /**< Minimum acceptable connection interval (0.1 seconds). */

#define MAX_CONN_INTERVAL MSEC_TO_UNITS(200, UNIT_1_25_MS) /**< Maximum acceptable connection interval (0.2 second). */

#define SLAVE_LATENCY 0 /**< Slave latency. */

#define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory timeout (4 seconds). */

#define FIRST_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(5000, APP_TIMER_PRESCALER) /**< 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(30000, APP_TIMER_PRESCALER)/**< Time between each call to sd_ble_gap_conn_param_update after the first call (30 seconds). */

#define MAX_CONN_PARAMS_UPDATE_COUNT 3 /**< Number of attempts before giving up the connection parameter negotiation. */

#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 /**< No I/O 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 DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */

#if defined(ENABLE_DEBUG_LOG_SUPPORT)

#define APPL_LOG app_trace_log

#elif defined(NRF51_DEBUG_RTT)

#define APPL_LOG(...) SEGGER_RTT_printf(0, __VA_ARGS__)

#else

#define APPL_LOG

#endif

#define ADC_THRESHOLD (600) /**< LEDを点灯する閾値 */

#define ADC_PERIOD (5000) /**< ADCを行う周期[msec] */

static uint8_t m_ble_buf[BLE_GATTS_ATTR_TAB_SIZE_MIN];

static dm_application_instance_t m_app_handle; /**< Application identifier allocated by device manager */

static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */

APP_TIMER_DEF(m_app_timer_id); /**< [TIMER]ADC */

//static ble_adconvert_service_t m_adconv;

static volatile uint16_t m_adc_value;

// YOUR_JOB: Use UUIDs for service(s) used in your application.

static ble_uuid_t m_adv_uuids[] = {{BLE_UUID_DEVICE_INFORMATION_SERVICE, BLE_UUID_TYPE_BLE}}; /**< Universally unique service identifiers. */

/**@brief Function for handling an error.

*

* @param[in] error_code Error code supplied to the handler.

* @param[in] line_num Line number where the error occurred.

* @param[in] p_file_name Pointer to the file name.

*/

void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name)

{

for (;;) {

__WFI();

}

}

#ifdef ENABLE_DEBUG_LOG_SUPPORT

void uart_error_handle(app_uart_evt_t * p_event)

{

//do nothing

}

#endif //ENABLE_DEBUG_LOG_SUPPORT

/**@brief Callback function for asserts in the SoftDevice.

*

* @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 analyze

* 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] 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);

}

static void timer_timeout_handler(void * p_context)

{

UNUSED_PARAMETER(p_context);

nrf_gpio_pin_toggle(BSP_LED_1);

nrf_adc_start();

}

/**@brief Function for the Timer initialization.

*

* @details Initializes the timer module. This creates and starts application timers.

*/

static void timers_init(void)

{

uint32_t err_code;

// Initialize timer module.

APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, false);

// Create timers.

err_code = app_timer_create(&m_app_timer_id, APP_TIMER_MODE_REPEATED, timer_timeout_handler);

APP_ERROR_CHECK(err_code);

}

/**@brief Function for the GAP initialization.

*

* @details This function sets up all the necessary GAP (Generic Access Profile) parameters of the

* device including the device name, appearance, and the preferred connection parameters.

*/

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);

/* YOUR_JOB: Use an appearance value matching the application's use case.

err_code = sd_ble_gap_appearance_set(BLE_APPEARANCE_);

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);

}

#if 0

/**@brief Function for handling the YYY Service events.

* YOUR_JOB implement a service handler function depending on the event the service you are using can generate

*

* @details This function will be called for all YY Service events which are passed to

* the application.

*

* @param[in] p_yy_service YY Service structure.

* @param[in] p_evt Event received from the YY Service.

*

*/

static void on_ble_service_evt(ble_adconvert_service_t * p_service,

ble_adconvert_service_evt_t * p_evt)

{

switch (p_evt->evt_type)

{

default:

// No implementation needed.

break;

}

}

#endif

/**@brief Function for initializing services that will be used by the application.

*/

static void services_init(void)

{

#if 1

bluetooth_init();

#else

/* YOUR_JOB: Add code to initialize the services used by the application.*/

uint32_t err_code;

ble_adconvert_service_init_t init;

// Initialize XXX Service.

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

init.evt_handler = on_ble_service_evt;

init.ble_adconvert_service_advalue_initial_value.advalue = 0;

err_code = ble_adconvert_service_init(&m_adconv, &init);

APP_ERROR_CHECK(err_code);

#endif

}

/**@brief Function for handling 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.

*/

static void on_conn_params_evt(ble_conn_params_evt_t * p_evt)

{

uint32_t err_code;

if (p_evt->evt_type == BLE_CONN_PARAMS_EVT_FAILED)

{

err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_CONN_INTERVAL_UNACCEPTABLE);

APP_ERROR_CHECK(err_code);

}

}

/**@brief Function for handling a Connection Parameters error.

*

* @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;

err_code = ble_conn_params_init(&cp_init);

APP_ERROR_CHECK(err_code);

}

/**@brief Function for putting the chip into sleep mode.

*

* @note This function will not return.

*/

static void sleep_mode_enter(void)

{

uint32_t err_code = bsp_indication_set(BSP_INDICATE_IDLE);

APP_ERROR_CHECK(err_code);

// Prepare wakeup buttons.

err_code = bsp_btn_ble_sleep_mode_prepare();

APP_ERROR_CHECK(err_code);

// Go to system-off mode (this function will not return; wakeup will cause a reset).

err_code = sd_power_system_off();

APP_ERROR_CHECK(err_code);

}

/**@brief Function for handling advertising events.

*

* @details This function will be called for advertising events which are passed to the application.

*

* @param[in] ble_adv_evt Advertising event.

*/

static void on_adv_evt(ble_adv_evt_t ble_adv_evt)

{

uint32_t err_code;

switch (ble_adv_evt)

{

case BLE_ADV_EVT_FAST:

err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING);

APP_ERROR_CHECK(err_code);

break;

case BLE_ADV_EVT_IDLE:

sleep_mode_enter();

break;

default:

break;

}

}

/**@brief Function for handling the Application's BLE Stack events.

*

* @param[in] p_ble_evt Bluetooth stack event.

*/

static void on_ble_evt(ble_evt_t * p_ble_evt)

{

uint32_t err_code;

switch (p_ble_evt->header.evt_id)

{

case BLE_GAP_EVT_CONNECTED:

APPL_LOG("BLE_GAP_EVT_CONNECTED : %u\n", p_ble_evt->header.evt_id);

err_code = bsp_indication_set(BSP_INDICATE_CONNECTED);

APP_ERROR_CHECK(err_code);

m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle;

//err_code = app_timer_start(m_app_timer_id, APP_TIMER_ADC_INTERVAL, NULL);

//APP_ERROR_CHECK(err_code);

err_code = sd_ble_gatts_sys_attr_set(m_conn_handle, NULL, 0, 0);

APP_ERROR_CHECK(err_code);

break;

case BLE_GAP_EVT_DISCONNECTED:

APPL_LOG("BLE_GAP_EVT_DISCONNECTED : %u\n", p_ble_evt->header.evt_id);

m_conn_handle = BLE_CONN_HANDLE_INVALID;

//nrf_adc_stop();

//app_timer_stop(m_app_timer_id);

break;

default:

// No implementation needed.

break;

}

}

/**@brief Function for dispatching a BLE stack event to all modules with a BLE stack event handler.

*

* @details This function is called from the BLE Stack event interrupt handler after a BLE stack

* event has been received.

*

* @param[in] p_ble_evt Bluetooth stack event.

*/

static void ble_evt_dispatch(ble_evt_t * p_ble_evt)

{

dm_ble_evt_handler(p_ble_evt);

ble_conn_params_on_ble_evt(p_ble_evt);

bsp_btn_ble_on_ble_evt(p_ble_evt);

ble_advertising_on_ble_evt(p_ble_evt);

on_ble_evt(p_ble_evt);

bluetooth_on_ble_evt(p_ble_evt);

}

/**@brief Function for dispatching a system event to interested modules.

*

* @details This function is called from the System event interrupt handler after a system

* event has been received.

*

* @param[in] sys_evt System stack event.

*/

static void sys_evt_dispatch(uint32_t sys_evt)

{

pstorage_sys_event_handler(sys_evt);

ble_advertising_on_sys_evt(sys_evt);

}

/**@brief Function for initializing the BLE stack.

*

* @details Initializes the SoftDevice and the BLE event interrupt.

*/

static void ble_stack_init(void)

{

uint32_t err_code;

// Initialize the SoftDevice handler module.

SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC, NULL);

#if defined(S110) || defined(S130)

// Enable BLE stack.

ble_enable_params_t ble_enable_params;

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

#ifdef S130

//ble_enable_params.gatts_enable_params.attr_tab_size = BLE_GATTS_ATTR_TAB_SIZE_MIN; //これだと自分のATTが出てこなかった

ble_enable_params.gatts_enable_params.attr_tab_size = BLE_GATTS_ATTR_TAB_SIZE_MIN; //これだと自分のATTが出てこなかった

ble_enable_params.gap_enable_params.periph_conn_count = 1;

#endif

ble_enable_params.gatts_enable_params.service_changed = IS_SRVC_CHANGED_CHARACT_PRESENT;

#ifdef S130

uint32_t app_ram_base = (uint32_t)m_ble_buf;

err_code = sd_ble_enable(&ble_enable_params, &app_ram_base);

APPL_LOG("app_ram_base : %x\n", app_ram_base);

#else

err_code = sd_ble_enable(&ble_enable_params);

#endif

APP_ERROR_CHECK(err_code);

#endif

// Register with the SoftDevice handler module for BLE events.

err_code = softdevice_ble_evt_handler_set(ble_evt_dispatch);

APP_ERROR_CHECK(err_code);

// Register with the SoftDevice handler module for BLE events.

err_code = softdevice_sys_evt_handler_set(sys_evt_dispatch);

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:

sleep_mode_enter();

break;

case BSP_EVENT_DISCONNECT:

err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);

if (err_code != NRF_ERROR_INVALID_STATE)

{

APP_ERROR_CHECK(err_code);

}

break;

case BSP_EVENT_WHITELIST_OFF:

err_code = ble_advertising_restart_without_whitelist();

if (err_code != NRF_ERROR_INVALID_STATE)

{

APP_ERROR_CHECK(err_code);

}

break;

default:

break;

}

}

/**@brief Function for handling the Device Manager events.

*

* @param[in] p_evt Data associated to the device manager event.

*/

static uint32_t device_manager_evt_handler(dm_handle_t const * p_handle,

dm_event_t const * p_event,

ret_code_t event_result)

{

APP_ERROR_CHECK(event_result);

#ifdef BLE_DFU_APP_SUPPORT

if (p_event->event_id == DM_EVT_LINK_SECURED)

{

app_context_load(p_handle);

}

#endif // BLE_DFU_APP_SUPPORT

return NRF_SUCCESS;

}

/**@brief Function for the Device Manager initialization.

*

* @param[in] erase_bonds Indicates whether bonding information should be cleared from

* persistent storage during initialization of the Device Manager.

*/

static void device_manager_init(bool erase_bonds)

{

uint32_t err_code;

dm_init_param_t init_param = {.clear_persistent_data = erase_bonds};

dm_application_param_t register_param;

// Initialize persistent storage module.

err_code = pstorage_init();

APP_ERROR_CHECK(err_code);

err_code = dm_init(&init_param);

APP_ERROR_CHECK(err_code);

memset(&register_param.sec_param, 0, sizeof(ble_gap_sec_params_t));

register_param.sec_param.bond = SEC_PARAM_BOND;

register_param.sec_param.mitm = SEC_PARAM_MITM;

register_param.sec_param.io_caps = SEC_PARAM_IO_CAPABILITIES;

register_param.sec_param.oob = SEC_PARAM_OOB;

register_param.sec_param.min_key_size = SEC_PARAM_MIN_KEY_SIZE;

register_param.sec_param.max_key_size = SEC_PARAM_MAX_KEY_SIZE;

register_param.evt_handler = device_manager_evt_handler;

register_param.service_type = DM_PROTOCOL_CNTXT_GATT_SRVR_ID;

err_code = dm_register(&m_app_handle, &register_param);

APP_ERROR_CHECK(err_code);

}

/**@brief Function for initializing the Advertising functionality.

*/

static void advertising_init(void)

{

uint32_t err_code;

ble_advdata_t advdata;

// Build advertising data struct to pass into @ref ble_advertising_init.

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

advdata.name_type = BLE_ADVDATA_FULL_NAME;

advdata.include_appearance = true;

advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;

advdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]);

advdata.uuids_complete.p_uuids = m_adv_uuids;

ble_adv_modes_config_t options = {0};

options.ble_adv_fast_enabled = BLE_ADV_FAST_ENABLED;

options.ble_adv_fast_interval = APP_ADV_INTERVAL;

options.ble_adv_fast_timeout = APP_ADV_TIMEOUT_IN_SECONDS;

err_code = ble_advertising_init(&advdata, NULL, &options, on_adv_evt, NULL);

APP_ERROR_CHECK(err_code);

}

/**@brief Function for initializing buttons and leds.

*

* @param[out] p_erase_bonds Will be true if the clear bonding button was pressed to wake the application up.

*/

static void buttons_leds_init(bool * p_erase_bonds)

{

bsp_event_t startup_event;

uint32_t err_code = bsp_init(BSP_INIT_LED | BSP_INIT_BUTTONS,

APP_TIMER_TICKS(100, APP_TIMER_PRESCALER),

bsp_event_handler);

APP_ERROR_CHECK(err_code);

err_code = bsp_btn_ble_init(NULL, &startup_event);

APP_ERROR_CHECK(err_code);

*p_erase_bonds = (startup_event == BSP_EVENT_CLEAR_BONDING_DATA);

}

/**

* @brief ADC interrupt handler.

*/

void ADC_IRQHandler(void)

{

nrf_adc_conversion_event_clean();

m_adc_value = (uint16_t)nrf_adc_result_get();

// if (m_adc_value >= ADC_THRESHOLD) {

// nrf_gpio_pin_clear(BSP_LED_2);

// }

// else {

// nrf_gpio_pin_set(BSP_LED_2);

// }

bluetooth_adc_send(m_adc_value);

}

/**

* @brief ADC initialization.

*/

static void adc_config(void)

{

const nrf_adc_config_t nrf_adc_config = NRF_ADC_CONFIG_DEFAULT;

// Initialize and configure ADC

nrf_adc_configure( (nrf_adc_config_t *)&nrf_adc_config);

#if defined(BOARD_BVMCN5102)

nrf_adc_input_select(NRF_ADC_CONFIG_INPUT_3);

#elif defined(BOARD_BLENANO)

nrf_adc_input_select(NRF_ADC_CONFIG_INPUT_5);

#else

# error unknown board

#endif

nrf_adc_int_enable(ADC_INTENSET_END_Enabled << ADC_INTENSET_END_Pos);

NVIC_SetPriority(ADC_IRQn, NRF_APP_PRIORITY_LOW);

NVIC_EnableIRQ(ADC_IRQn);

}

/**@brief Function for the Power manager.

*/

static void power_manage(void)

{

uint32_t err_code = sd_app_evt_wait();

APP_ERROR_CHECK(err_code);

}

/**@brief Function for application main entry.

*/

int main(void)

{

uint32_t err_code;

bool erase_bonds;

#ifdef ENABLE_DEBUG_LOG_SUPPORT

app_trace_init();

#endif

APPL_LOG("START\r\n");

// Initialize.

timers_init();

buttons_leds_init(&erase_bonds);

adc_config();

ble_stack_init();

device_manager_init(erase_bonds);

gap_params_init();

advertising_init();

services_init();

conn_params_init();

// Start execution.

err_code = ble_advertising_start(BLE_ADV_MODE_FAST);

APP_ERROR_CHECK(err_code);

APPL_LOG("start advertising : %u\n", err_code);

// Enter main loop.

for (;;)

{

power_manage();

}

}

/**

* @}

*/