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main.c
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main.c
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/**
* Copyright (c) 2014 - 2019, 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
* GOODS OR SERVICES; 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.
*
*/
/** @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 "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 "ble_bas.h"
#include "ble_tcs.h"
#include "app_uart.h"
#include "app_util_platform.h"
#include "bsp_btn_ble.h"
#include "nrf_pwr_mgmt.h"
#include "nrf_drv_saadc.h"
#include "app_scheduler.h"
#include "nrf_delay.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"
#include "macros_common.h"
#define USE_THINGY_ADVERTISING_PAYLOAD
#define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */
#define NRF_BL_CONNECT_MODE_BUTTON_PIN BSP_BUTTON_0
#define TX_POWER_BUTTON BSP_BUTTON_1
#define APP_STATE_BUTTON BSP_BUTTON_2
#define DEVICE_NAME "UART_ADV" /**< Name of device. Will be included in the advertising data. */
#define NORDIC_COMPANY_ID 0x0059 /**< Nordic Semiconductor ASA company identifier. */
#define BUTTON_DETECTION_DELAY APP_TIMER_TICKS(50) /**< Delay from a GPIOTE event until a button is reported as pushed (in number of timer ticks). */
#define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */
#define TCS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN+1
#define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */
#define APP_SOC_OBSERVER_PRIO 1
#define APP_ADV_INTERVAL 160 /**< 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 APP_ADV_INTERVAL_MS 1000//380 /**< The advertising interval in ms. */
#define APP_ADV_TIMEOUT_IN_SECONDS 180 /**< The advertising timeout in s. */
#define MIN_CONN_INTERVAL_MS 7.5 /**< Minimum acceptable connection interval in ms. */
#define MAX_CONN_INTERVAL_MS 30 /**< Maximum acceptable connection interval in ms. */
#define SLAVE_LATENCY 0 /**< Slave latency. */
#define CONN_SUP_TIMEOUT_MS 5000 /**< Connection supervisory timeout (4 seconds), Supervision Timeout uses 10 ms units. */
#define FIRST_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(5000) /**< Time from initiating event (connect or start of notification) to first time sd_ble_gap_conn_param_update is called (1 second). */
#define NEXT_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(30000) /**< 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 NON_CONNECTABLE_ADV_INTERVAL MSEC_TO_UNITS(1000, 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 0x17 /**< Total length of information advertised by the Beacon. */
#define APP_ADV_DATA_LENGTH 0x15 /**< 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. */
#define APP_MAJOR_VALUE 0x01, 0x02 /**< Major value used to identify Beacons. */
#define APP_MINOR_VALUE 0x03, 0x04 /**< Minor value used to identify Beacons. */
#define APP_BEACON_UUID 0x01, 0x12, 0x23, 0x34, \
0x45, 0x56, 0x67, 0x78, \
0x89, 0x9a, 0xab, 0xbc, \
0xcd, 0xde, 0xef, 0xf0
#if defined(USE_THINGY_ADVERTISING_PAYLOAD)
static uint8_t m_hardcode_enc_advdata[BLE_GAP_ADV_SET_DATA_SIZE_MAX] =
{
0x02, 0x01, 0x04, //flags
0x1B, 0xFF, 0x59,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
#define ADV_PAYLOAD_WITH_BATTERY 0x07
#else
/**< Proprietary UUID for Beacon. */
#if defined(USE_UICR_FOR_MAJ_MIN_VALUES)
#define MAJ_VAL_OFFSET_IN_BEACON_INFO 18 /**< Position of the MSB of the Major Value in m_beacon_info array. */
#define UICR_ADDRESS 0x10001080 /**< Address of the UICR register used by this example. The major and minor versions to be encoded into the advertising data will be picked up from this location. */
#endif
static uint8_t m_beacon_info[APP_BEACON_INFO_LENGTH] = /**< Information advertised by the Beacon. */
{
APP_DEVICE_TYPE, // Manufacturer specific information. Specifies the device type in this
// implementation.
APP_ADV_DATA_LENGTH, // Manufacturer specific information. Specifies the length of the
// manufacturer specific data in this implementation.
APP_BEACON_UUID, // 128 bit UUID value.
APP_MAJOR_VALUE, // Major arbitrary value that can be used to distinguish between Beacons.
APP_MINOR_VALUE, // Minor arbitrary value that can be used to distinguish between Beacons.
APP_MEASURED_RSSI // Manufacturer specific information. The Beacon's measured TX power in
// this implementation.
};
#endif
#define BATTERY_LEVEL_MEAS_INTERVAL APP_TIMER_TICKS(2000) /**< Battery level measurement interval (ticks). */
#define MIN_BATTERY_LEVEL 81 /**< Minimum simulated battery level. */
#define MAX_BATTERY_LEVEL 100 /**< Maximum simulated 7battery level. */
#define BATTERY_LEVEL_INCREMENT 1 /**< Increment between each simulated battery level measurement. */
#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 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 SCHED_MAX_EVENT_DATA_SIZE APP_TIMER_SCHED_EVENT_DATA_SIZE /**< Maximum size of scheduler events. */
#ifdef SVCALL_AS_NORMAL_FUNCTION
#define SCHED_QUEUE_SIZE 20 /**< Maximum number of events in the scheduler queue. More is needed in case of Serialization. */
#else
#define SCHED_QUEUE_SIZE 10 /**< Maximum number of events in the scheduler queue. */
#endif
#define TX_POWER_LEVEL (0) /**< 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. */
/**@brief Thingy default beacon configuration. Eddystone url */
#define THINGY_BEACON_ADV_INTERVAL 1000//60 /**< The Beacon's advertising interval, in milliseconds*/
#define THINGY_BEACON_URL_DEFAULT "\x03goo.gl/pIWdir" /**< https://goo.gl/pIWdir short for https://developer.nordicsemi.com/thingy/52/ */
#define THINGY_BEACON_URL_LEN 14
#define THINGY_DEFAULT_PASSWORD "1111"
#define THINGY_ADV_PAYLOAD_DEFAULT { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
0x00, 0x00, 0x00, 0x00 }
#define THINGY_ADV_PAYLOAD_LEN 24
/**@brief Thingy FW version.
* 0xFF indicates a custom build from source.
Version numbers are changed for releases. */
#define THINGY_FW_VERSION_MAJOR (0xFF)
#define THINGY_FW_VERSION_MINOR (0xFF)
#define THINGY_FW_VERSION_PATCH (0xFF)
/**@brief Thingy default configuration. */
#define THINGY_CONFIG_DEFAULT \
{ \
.dev_name = \
{ \
.name = DEVICE_NAME, \
.len = 10 \
}, \
.adv_params = \
{ \
.interval = MSEC_TO_UNITS(APP_ADV_INTERVAL_MS, UNIT_0_625_MS), \
.timeout = APP_ADV_TIMEOUT_IN_SECONDS \
}, \
.conn_params = \
{ \
.min_conn_int = (uint16_t)MSEC_TO_UNITS(MIN_CONN_INTERVAL_MS, UNIT_1_25_MS), \
.max_conn_int = MSEC_TO_UNITS(MAX_CONN_INTERVAL_MS, UNIT_1_25_MS), \
.slave_latency = SLAVE_LATENCY, \
.sup_timeout = MSEC_TO_UNITS(CONN_SUP_TIMEOUT_MS, UNIT_10_MS) \
}, \
.eddystone_url = \
{ \
.data = THINGY_BEACON_URL_DEFAULT, \
.len = THINGY_BEACON_URL_LEN \
}, \
.fw_version = \
{ \
.major = THINGY_FW_VERSION_MAJOR, \
.minor = THINGY_FW_VERSION_MINOR, \
.patch = THINGY_FW_VERSION_PATCH \
}, \
.mtu = \
{ \
.req = 0x00, \
.size = 23 \
}, \
.tx_power = \
{ \
.tx_power = TX_POWER_LEVEL, \
}, \
.pwd = \
{ \
.data = THINGY_DEFAULT_PASSWORD, \
}, \
.adv_payload = \
{ \
.data = THINGY_ADV_PAYLOAD_DEFAULT, \
.len = THINGY_ADV_PAYLOAD_LEN \
}, \
}
#ifdef NRF_PWD_BLE_ENABLED
APP_TIMER_DEF(m_pwd_timer_id); /**< Battery timer. */
#define PASSWORD_TIMEOUT_INTERVAL APP_TIMER_TICKS(NRF_PWD_TIMEOUT_PERIOD) /**< Battery level measurement interval (ticks). */
static bool m_pwd_is_verified = false;
#endif
#define SUPPORT_FUNC_MAC_ADDR_STR_LEN 6
static uint8_t m_percentage_batt_lvl;
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 int8_t m_tx_power = TX_POWER_LEVEL;
BLE_BAS_DEF(m_bas); /**< Structure used to identify the battery service. */
BLE_NUS_DEF(m_nus, NRF_SDH_BLE_TOTAL_LINK_COUNT); /**< BLE NUS service instance. */
BLE_TCS_DEF(m_tcs);
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_battery_timer_id); /**< Battery timer. */
/* Battery detection service */
static nrf_saadc_value_t adc_buf[2];
static void on_bas_evt(ble_bas_t * p_bas, ble_bas_evt_t * p_evt);
/* Thingy Configure Service */
static ble_tcs_params_t * m_ble_config;
static const ble_tcs_params_t m_ble_default_config = THINGY_CONFIG_DEFAULT;
static ble_tcs_mtu_t m_mtu;
static bool m_flash_disconnect = false;
static bool m_major_minor_fw_ver_changed = false;
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}
};
/**@brief Macro to convert the result of ADC conversion in millivolts.
*
* @param[in] ADC_VALUE ADC result.
*
* @retval Result converted to millivolts.
*/
#define ADC_RESULT_IN_MILLI_VOLTS(ADC_VALUE) \
((((ADC_VALUE) *ADC_REF_VOLTAGE_IN_MILLIVOLTS) / ADC_RES_10BIT) * ADC_PRE_SCALING_COMPENSATION)
static uint8_t m_enc_advdata[BLE_GAP_ADV_SET_DATA_SIZE_MAX] =
{
02, 0x01, 0x04, //flags
0x11, 0xFF, 0x59,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x00, 0x01, 0x02, 0x03,
};
/**@brief Struct that contains pointers to the encoded advertising data. */
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
}
};
/**@brief Function for initializing button used to enter DFU mode.
*/
static void enter_button_init(void)
{
nrf_gpio_cfg_sense_input(NRF_BL_CONNECT_MODE_BUTTON_PIN,
BUTTON_PULL,
NRF_GPIO_PIN_SENSE_LOW);
}
/**@brief Function for checking whether to enter DFU mode or not.
*/
static bool connect_adv_enter_check(void)
{
if (nrf_gpio_pin_read(NRF_BL_CONNECT_MODE_BUTTON_PIN) == 0)
{
//NRF_LOG_DEBUG("DFU mode requested via button.");
return true;
}
return false;
}
/**@brief Function for handling the ADC interrupt.
*
* @details This function will fetch the conversion result from the ADC, convert the value into
* percentage and send it to peer.
*/
void saadc_event_handler(nrf_drv_saadc_evt_t const * p_event)
{
if (p_event->type == NRF_DRV_SAADC_EVT_DONE)
{
nrf_saadc_value_t adc_result;
uint16_t batt_lvl_in_milli_volts;
// uint8_t percentage_batt_lvl;
uint32_t err_code = NRF_SUCCESS;
adc_result = p_event->data.done.p_buffer[0];
err_code = nrf_drv_saadc_buffer_convert(p_event->data.done.p_buffer, 1);
APP_ERROR_CHECK(err_code);
batt_lvl_in_milli_volts = ADC_RESULT_IN_MILLI_VOLTS(adc_result) +
DIODE_FWD_VOLT_DROP_MILLIVOLTS;
m_percentage_batt_lvl = battery_level_in_percent(batt_lvl_in_milli_volts);
#if defined(USE_THINGY_ADVERTISING_PAYLOAD)
m_hardcode_enc_advdata[ADV_PAYLOAD_WITH_BATTERY] = m_percentage_batt_lvl;
#endif
NRF_LOG_INFO("Battery service value : %03d %%", m_percentage_batt_lvl);
if (m_conn_handle != BLE_CONN_HANDLE_INVALID)
{
err_code = ble_bas_battery_level_update(&m_bas, m_percentage_batt_lvl, BLE_CONN_HANDLE_ALL);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != NRF_ERROR_RESOURCES) &&
(err_code != NRF_ERROR_BUSY) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
// uninit the SAADC after it finishs.
nrfx_saadc_uninit();
}
}
/**@brief Function for configuring ADC to do battery level conversion.
*/
static void adc_configure(void)
{
ret_code_t err_code = nrf_drv_saadc_init(NULL, saadc_event_handler);
APP_ERROR_CHECK(err_code);
nrf_saadc_channel_config_t config =
NRF_DRV_SAADC_DEFAULT_CHANNEL_CONFIG_SE(NRF_SAADC_INPUT_VDD);
err_code = nrf_drv_saadc_channel_init(0, &config);
APP_ERROR_CHECK(err_code);
err_code = nrf_drv_saadc_buffer_convert(&adc_buf[0], 1);
APP_ERROR_CHECK(err_code);
err_code = nrf_drv_saadc_buffer_convert(&adc_buf[1], 1);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling the Battery measurement timer timeout.
*
* @details This function will be called each time the battery level measurement timer expires.
* This function will start the ADC.
*
* @param[in] p_context Pointer used for passing some arbitrary information (context) from the
* app_start_timer() call to the timeout handler.
*/
static void battery_level_meas_timeout_handler(void * p_context)
{
UNUSED_PARAMETER(p_context);
ret_code_t err_code;
// Enable the SADDC to measure the battery on every 2s battery timer.
adc_configure();
err_code = nrf_drv_saadc_sample();
APP_ERROR_CHECK(err_code);
}
static void password_timeout_handler(void *p_context)
{
UNUSED_PARAMETER(p_context);
if (m_pwd_is_verified == false && m_conn_handle != BLE_CONN_HANDLE_INVALID)
{
NRF_LOG_INFO("Verify the password failure!! Disconnect the LINK!!!");
/* Disconnect from the peer. */
ret_code_t err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
VERIFY_SUCCESS(err_code);
}
}
/**@brief Check if flash is currently being accessed.
*/
static bool flash_access_ongoing(void)
{
if (nrf_fstorage_is_busy(NULL))
{
NRF_LOG_INFO("Waiting until all flash operations are completed.");
return true;
}
else
return false;
}
/**@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 initializing the timer module.
*/
static void timers_init(void)
{
ret_code_t err_code = app_timer_init();
APP_ERROR_CHECK(err_code);
// Create battery timer.
err_code = app_timer_create(&m_battery_timer_id,
APP_TIMER_MODE_REPEATED,
battery_level_meas_timeout_handler);
APP_ERROR_CHECK(err_code);
#ifdef NRF_PWD_BLE_ENABLED
// Create battery timer.
err_code = app_timer_create(&m_pwd_timer_id,
APP_TIMER_MODE_SINGLE_SHOT,
password_timeout_handler);
APP_ERROR_CHECK(err_code);
#endif
}
static void application_timer_start(void)
{
// Start battery timer
ret_code_t err_code =app_timer_start(m_battery_timer_id, BATTERY_LEVEL_MEAS_INTERVAL, NULL);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for changing the tx power.
*/
static void tx_power_set(void)
{
int tx_power = m_ble_config->tx_power.tx_power;
NRF_LOG_INFO("TX Power set = %d", tx_power);
ret_code_t err_code = sd_ble_gap_tx_power_set(BLE_GAP_TX_POWER_ROLE_ADV, m_adv_handle, tx_power);
APP_ERROR_CHECK(err_code);
}
/**@brief Checks the current version of the FW against the previous version stored in flash.
* If a major or minor FW change is detected, modules must reinitialize their flash storage.
*
* @note: If the FW version is changed while erasing all flash, a FW change cannot be detected.
*/
static uint32_t device_config_verify(void)
{
bool update_flash = false;
uint32_t err_code;
bool fw_version_major_changed = ( m_ble_config->fw_version.major != m_ble_default_config.fw_version.major );
bool fw_version_minor_changed = ( m_ble_config->fw_version.minor != m_ble_default_config.fw_version.minor );
bool fw_version_patch_changed = ( m_ble_config->fw_version.patch != m_ble_default_config.fw_version.patch );
ble_tcs_fw_version_t prev_fw_version = m_ble_config->fw_version;
if ( fw_version_major_changed || fw_version_minor_changed || fw_version_patch_changed)
{
m_ble_config->fw_version.major = m_ble_default_config.fw_version.major;
m_ble_config->fw_version.minor = m_ble_default_config.fw_version.minor;
m_ble_config->fw_version.patch = m_ble_default_config.fw_version.patch;
update_flash = true;
if(fw_version_major_changed || fw_version_minor_changed)
{
update_flash = false;
m_major_minor_fw_ver_changed = true;
err_code = m_ble_flash_config_store(&m_ble_default_config);
APP_ERROR_CHECK(err_code);
}
}
NRF_LOG_INFO("m_ble: Current FW: v%d.%d.%d \r\n",
m_ble_default_config.fw_version.major, m_ble_default_config.fw_version.minor, m_ble_default_config.fw_version.patch);
if(m_major_minor_fw_ver_changed)
{
NRF_LOG_INFO("m_ble: Major or minor FW version changed. Prev. FW (from flash): v%d.%d.%d \r\n",
prev_fw_version.major, prev_fw_version.minor, prev_fw_version.patch);
}
NRF_LOG_INFO("m_ble: TX Power = %d", m_ble_config->tx_power.tx_power);
NRF_LOG_INFO("Password %c%c%c%c", m_ble_config->pwd.data[0], m_ble_config->pwd.data[1], m_ble_config->pwd.data[2], m_ble_config->pwd.data[3]);
// Check Eddystone URL length.
if (m_ble_config->eddystone_url.len > 17)
{
memcpy(m_ble_config->eddystone_url.data, m_ble_default_config.eddystone_url.data, m_ble_default_config.eddystone_url.len);
m_ble_config->eddystone_url.len = m_ble_default_config.eddystone_url.len;
update_flash = true;
}
if (update_flash)
{
err_code = m_ble_flash_config_store(m_ble_config, true);
APP_ERROR_CHECK(err_code);
}
return NRF_SUCCESS;
}
/**@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(bool load_setting)
{
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);
if (load_setting)
{
if (m_ble_config)
{
err_code = sd_ble_gap_device_name_set(&sec_mode,
m_ble_config->dev_name.name,
strlen((const char *)m_ble_config->dev_name.name));
APP_ERROR_CHECK(err_code);
NRF_LOG_INFO("gap_params device name = %s", m_ble_config->dev_name.name);
}
}
else
{
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));
if (load_setting)
{
gap_conn_params.min_conn_interval = m_ble_config->conn_params.min_conn_int;
gap_conn_params.max_conn_interval = m_ble_config->conn_params.max_conn_int;
gap_conn_params.slave_latency = m_ble_config->conn_params.slave_latency;
gap_conn_params.conn_sup_timeout = m_ble_config->conn_params.sup_timeout;
}
else
{
gap_conn_params.min_conn_interval = MIN_CONN_INTERVAL_MS;
gap_conn_params.max_conn_interval = MAX_CONN_INTERVAL_MS;
gap_conn_params.slave_latency = SLAVE_LATENCY;
gap_conn_params.conn_sup_timeout = CONN_SUP_TIMEOUT_MS;
}
err_code = sd_ble_gap_ppcp_set(&gap_conn_params);
APP_ERROR_CHECK(err_code);
// ble_gap_addr_t ble_address = {.addr_type = BLE_GAP_ADDR_TYPE_RANDOM_STATIC,
// .addr_id_peer = 0,
// .addr = {0xC3,0x11,0x99,0x33,0x44,0xFF}};
// err_code = sd_ble_gap_addr_set(&ble_address);
}
/**@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)
{
uint32_t err_code;
NRF_LOG_INFO("Received data from BLE NUS. Writing data on UART.");
NRF_LOG_HEXDUMP_INFO(p_evt->params.rx_data.p_data, p_evt->params.rx_data.length);
for (uint32_t i = 0; i < p_evt->params.rx_data.length; i++)
{
do
{
err_code = app_uart_put(p_evt->params.rx_data.p_data[i]);
if ((err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_BUSY))
{
NRF_LOG_ERROR("Failed receiving NUS message. Error 0x%x. ", err_code);
APP_ERROR_CHECK(err_code);
}
} while (err_code == NRF_ERROR_BUSY);
}
if (p_evt->params.rx_data.p_data[p_evt->params.rx_data.length - 1] == '\r')
{
while (app_uart_put('\n') == NRF_ERROR_BUSY);
}
}
}
/**@snippet [Handling the data received over BLE] */
static void ble_on_sys_evt(uint32_t sys_evt, void *p_context)
{
switch(sys_evt)
{
case NRF_EVT_FLASH_OPERATION_ERROR:
case NRF_EVT_FLASH_OPERATION_SUCCESS:
//if (s_waiting_for_flash)
{
if (!nrf_fstorage_is_busy(NULL))
{
uint32_t err_code;
NRF_LOG_DEBUG("Flash Ready.");
if (m_conn_handle != BLE_CONN_HANDLE_INVALID)
{
// Disconnect on GATT Server timeout event.
err_code = sd_ble_gap_disconnect(m_conn_handle,
BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
APP_ERROR_CHECK(err_code);
}
nrf_delay_ms(1000);
nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_RESET);
}
}
break;
default:
/* Ignore */
break;
}
}
NRF_SDH_SOC_OBSERVER(ble_soc_observer, APP_SOC_OBSERVER_PRIO, ble_on_sys_evt, NULL);
/**@brief Function for handling thingy configuration events.
*/
static void tcs_evt_handler (ble_tcs_t * p_tcs,
ble_tcs_evt_type_t evt_type,
uint8_t * p_data,
uint16_t length)
{
bool update_flash = false;
if (evt_type == BLE_TCS_EVT_PWD_VERIFY)
{
if (strncmp(p_data, m_ble_config->pwd.data, length)==0)
{
m_pwd_is_verified = true;
NRF_LOG_INFO("Verification Pass!!");
}
}
if (m_pwd_is_verified)
{
switch (evt_type)
{
case BLE_TCS_EVT_DEV_NAME:
if (length <= BLE_TCS_DEVICE_NAME_LEN_MAX)
{
memcpy(m_ble_config->dev_name.name, p_data, length);
m_ble_config->dev_name.name[length] = 0;
m_ble_config->dev_name.len = length;
update_flash = true;
NRF_LOG_INFO("Change the Name: %s", m_ble_config->dev_name.name)
}
break;
case BLE_TCS_EVT_ADV_PARAM:
if (length == sizeof(ble_tcs_adv_params_t))
{
NRF_LOG_INFO("Update the Advertising parameter!");
NRF_LOG_HEXDUMP_INFO(p_data, length);
memcpy(&m_ble_config->adv_params, p_data, length);
update_flash = true;
}
break;
case BLE_TCS_EVT_CONN_PARAM:
if (length == sizeof(ble_tcs_conn_params_t))
{
uint32_t err_code;
ble_gap_conn_params_t gap_conn_params;
memcpy(&m_ble_config->conn_params, p_data, length);
memset(&gap_conn_params, 0, sizeof(gap_conn_params));
gap_conn_params.min_conn_interval = m_ble_config->conn_params.min_conn_int;
gap_conn_params.max_conn_interval = m_ble_config->conn_params.max_conn_int;
gap_conn_params.slave_latency = m_ble_config->conn_params.slave_latency;
gap_conn_params.conn_sup_timeout = m_ble_config->conn_params.sup_timeout;
err_code = ble_conn_params_change_conn_params(m_conn_handle, &gap_conn_params);
APP_ERROR_CHECK(err_code);
update_flash = true;
}
break;
case BLE_TCS_EVT_BEACON:
if (length <= BLE_TCS_BEACON_LEN_MAX)
{
uint32_t err_code;
memcpy(m_ble_config->eddystone_url.data, p_data, length);
m_ble_config->eddystone_url.len = length;
update_flash = true;
// err_code = timeslot_init();
// APP_ERROR_CHECK(err_code);
}
break;
case BLE_TCS_EVT_MTU:
if (length == sizeof(ble_tcs_mtu_t))
{
uint32_t err_code;
ble_tcs_mtu_t * p_mtu = (ble_tcs_mtu_t *)p_data;
if (p_mtu->req == TCS_MTU_REQ_EXCHANGE)
{
NRF_LOG_INFO("tcs_evt_handler: TCS_MTU_REQ_EXCHANGE - %d\r\n", p_mtu->size);
err_code = sd_ble_gattc_exchange_mtu_request(m_conn_handle, p_mtu->size);
if (err_code == NRF_SUCCESS)
{
memcpy(&m_mtu, p_data, length);
}
else
{
err_code = ble_tcs_mtu_set(&m_tcs, &m_mtu);
APP_ERROR_CHECK(err_code);
}
}
else
{
err_code = ble_tcs_mtu_set(&m_tcs, &m_mtu);
APP_ERROR_CHECK(err_code);
}
}
break;
case BLE_TCS_EVT_TX_POWER:
NRF_LOG_INFO("BLE_TCS_EVT_TX_POWER %d", sizeof(ble_tcs_tx_power_t));
if (length == sizeof(ble_tcs_tx_power_t))
{
uint32_t err_code;
memcpy(&m_ble_config->tx_power.tx_power, p_data, length);
NRF_LOG_INFO("Store TX Power");
NRF_LOG_HEXDUMP_INFO(p_data, length);
update_flash = true;
}
break;
case BLE_TCS_EVT_PWD:
NRF_LOG_INFO("BLE_TCS_EVT_PWD %d", sizeof(ble_tcs_pwd_t));
if (length == sizeof(ble_tcs_pwd_t))
{
// uint32_t err_code;
memcpy(m_ble_config->pwd.data, p_data, length);
// ble_tcs_pwd_t * p_tx_power = (ble_tcs_pwd_t *)p_data;
// m_ble_config->tx_power.tx_power = *p_tx_power;
NRF_LOG_HEXDUMP_INFO(p_data, length);
update_flash = true;
}
break;
case BLE_TCS_EVT_ADV_PAYLOAD:
NRF_LOG_INFO("BLE_TCS_EVT_ADV_PAYLOAD");
if (length <= BLE_TCS_ADV_PAYLOAD_LEN_MAX)
{
uint32_t err_code;
memcpy(m_ble_config->adv_payload.data, p_data, length);
m_ble_config->adv_payload.len = length;
NRF_LOG_HEXDUMP_INFO(p_data, length);
update_flash = true;
}
break;
}
}
if (update_flash)
{
uint32_t err_code;
err_code = m_ble_flash_config_store(m_ble_config, false);
APP_ERROR_CHECK(err_code);
}
}
/**@brief Function for initializing the Battery Service.
*/
static void bas_init(void)
{
ret_code_t err_code;
ble_bas_init_t bas_init_obj;
memset(&bas_init_obj, 0, sizeof(bas_init_obj));
bas_init_obj.evt_handler = on_bas_evt;
bas_init_obj.support_notification = true;
bas_init_obj.p_report_ref = NULL;
bas_init_obj.initial_batt_level = 100;
bas_init_obj.bl_rd_sec = SEC_OPEN;
bas_init_obj.bl_cccd_wr_sec = SEC_OPEN;
bas_init_obj.bl_report_rd_sec = SEC_OPEN;
err_code = ble_bas_init(&m_bas, &bas_init_obj);
APP_ERROR_CHECK(err_code);
}
static void nus_init(void)
{
uint32_t err_code;
ble_nus_init_t nus_init;
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);
}
static void tcs_init(void)
{
ble_tcs_init_t tcs_init;
uint32_t err_code;
tcs_init.p_init_vals = m_ble_config;
tcs_init.evt_handler = tcs_evt_handler;
err_code = ble_tcs_init(&m_tcs, &tcs_init);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing services that will be used by the application.
*/
static void services_init(void)
{
uint32_t err_code;
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);
tcs_init();
// Initialize NUS.
nus_init();
bas_init();