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main.c
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/**
* Copyright (c) 2014 - 2020, 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_app_template_main main.c
* @{
* @ingroup ble_sdk_app_template
* @brief Template project main file.
*
* This file contains a template for creating a new application. 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 <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "app_error.h"
#include "app_timer.h"
#include "ble.h"
#include "ble_advdata.h"
#include "ble_advertising.h"
#include "ble_conn_params.h"
#include "ble_hci.h"
#include "ble_srv_common.h"
#include "fds.h"
#include "nordic_common.h"
#include "nrf.h"
#include "nrf_sdh.h"
#include "nrf_sdh_ble.h"
#include "nrf_sdh_soc.h"
#include "peer_manager.h"
#include "peer_manager_handler.h"
#include "nrf_delay.h"
#include "nrf_error.h"
#include "ble_conn_state.h"
#include "nrf_ble_gatt.h"
#include "nrf_ble_qwr.h"
#include "nrf_pwr_mgmt.h"
#include "sensorsim.h"
#include "ble_biologue_service.h"
#include "nrf_timer.h"
#include "nrf_drv_timer.h"
#include "nrfx_timer.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"
#include "ble_biologue_ota.h"
#include "ble_nus.h"
#include "ble_biologue_service.h" // Include Biologue service file
#include "hal_ads1018.h" // Include ADC file
#include "ad8232.h" // Include ECG AFE file
#include "rtc.h" // Include RTC file
#include "sdc.h" // Include SDC file
#include "uart.h" // Include UART file
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"
#include "nrf_crypto.h"
#include "nrf_crypto_ecc.h"
#include "nrf_crypto_error.h"
#include "nrf_crypto_ecdsa.h"
#include "mem_manager.h"
#define DEVICE_NAME "SMART_SEAT1.3" /**< Name of device. Will be included in the advertising data. */
#define MANUFACTURER_NAME "NordicSemiconductor" /**< 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 187.5 ms). */
#define APP_ADV_DURATION 18000 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */
#define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */
#define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */
// MTU 137 bytes, payload size is 137-3-4-2 = 128 => 128*(1/256)=0.5
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(30, UNIT_1_25_MS) /**< Minimum acceptable connection interval (50 ms). */
#define MAX_CONN_INTERVAL MSEC_TO_UNITS(70, UNIT_1_25_MS) /**< Maximum acceptable connection interval (100 ms). */
#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) /**< 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) /**< 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_LESC 0 /**< LE Secure Connections not enabled. */
#define SEC_PARAM_KEYPRESS 0 /**< Keypress notifications not enabled. */
#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. */
/* Define the test parameters */
#define TIMER_TEST_PIN (12)
#define TIMER_TEST_PIN2 (8)
#define SEND_TEST_DATA (false)
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. */
BLE_BIOLOGUE_DEF(m_biologue); /**< Biologue BLE sensor collector service. */
APP_TIMER_DEF(adc_timer_id); /**< ADC timer define, set as 256 Hz */
BLE_NUS_DEF(m_nus, NRF_SDH_BLE_TOTAL_LINK_COUNT); /**< BLE NUS service instance. */
/**< Context for the Queued Write module.*/
const nrf_drv_timer_t TIMER_ADC = NRF_DRV_TIMER_INSTANCE(1);
extern volatile uint32_t global_tick;
extern ads1018_t ads1018;
extern ad8232_t ad8232;
extern time_t time_now;
extern volatile uint8_t notify_data[VALUE_LEN_NOTIFY];
extern uint8_t ecg_buf[VALUE_LEN_ECG_RAW];
extern uint8_t temp_buf[VALUE_LEN_TEMP];
static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */
extern volatile uint8_t flag_notify;
extern volatile uint8_t flag_notify_ok;
// YOUR_JOB: Use UUIDs for service(s) used in your application.
static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifiers. */
{
{BLE_UUID_DEVICE_INFORMATION_SERVICE, BLE_UUID_TYPE_BLE}};
static void advertising_start(bool erase_bonds);
/**@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);
}
/**@brief Function for handling Peer Manager events.
*
* @param[in] p_evt Peer Manager event.
*/
static void pm_evt_handler(pm_evt_t const *p_evt) {
pm_handler_on_pm_evt(p_evt);
pm_handler_flash_clean(p_evt);
switch (p_evt->evt_id) {
case PM_EVT_PEERS_DELETE_SUCCEEDED:
advertising_start(false);
break;
default:
break;
}
}
#if SEND_TEST_DATA
volatile uint8_t ccc = 0;
#endif
volatile uint16_t st = 0;
// timer 256 Hz
void adc_timer_handler(nrf_timer_event_t event_type, void * p_contex) {
uint32_t err_code;
#ifdef TIMER_TEST_PIN
nrf_gpio_pin_set(TIMER_TEST_PIN);
nrf_gpio_pin_set(TIMER_TEST_PIN2);
#endif
ads1018.adc_process();
int start_index;
int temp_index = 0;
uint8_t *t_p;
uint16_t checksum = 0;
// conversion complete, prepare data to send
if(ads1018.ok_flag) {
ad8232.update_lod();
start_index = st;
t_p = (uint8_t *)&global_tick;
#ifdef TIMER_TEST_PIN
nrf_gpio_pin_clear(TIMER_TEST_PIN2);
#endif
for(int i=0;i<4;i++) {
checksum += t_p[3-i];
notify_data[i] = t_p[3-i];
}
memcpy((uint8_t *)¬ify_data[4], (uint8_t *)&ads1018.data[start_index], 128);
for(int i=0;i<128;i++) {
checksum += notify_data[i+4];
}
#if SEND_TEST_DATA
memset((char *)¬ify_data[4], ccc++, VALUE_LEN_ECG_RAW-8);
#endif /* SEND_TEST_DATA */
ads1018.temp |= ad8232.lod_status;
notify_data[VALUE_LEN_ECG_RAW-4] = (ads1018.temp&0xFF00) >> 8;
notify_data[VALUE_LEN_ECG_RAW-3] = (ads1018.temp&0x00FF);
notify_data[VALUE_LEN_ECG_RAW-2] = (checksum&0xFF00) >> 8;
notify_data[VALUE_LEN_ECG_RAW-1] = (checksum&0x00FF);
if(flag_notify) { // send command to replace this flag
err_code = ecg_data_notify(&m_biologue);
if(err_code != NRF_SUCCESS) {
NRF_LOG_INFO("Notify error %x", err_code);
}
}
st += 64;
if(st >= ADS1018_BUF_SIZE) st = 0;
ads1018.ok_flag = false;
}
global_tick++;
#ifdef TIMER_TEST_PIN
nrf_gpio_pin_clear(TIMER_TEST_PIN);
#endif
}
/**@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 = NRF_SUCCESS;
nrf_drv_timer_config_t timer_cfg = NRF_DRV_TIMER_DEFAULT_CONFIG;
err_code = nrf_drv_timer_init(&TIMER_ADC, &timer_cfg, adc_timer_handler);
APP_ERROR_CHECK(err_code);
/* Sampling period = 1/256 */
nrf_drv_timer_extended_compare(
&TIMER_ADC, NRF_TIMER_CC_CHANNEL0, 62500, NRF_TIMER_SHORT_COMPARE0_CLEAR_MASK, true);
#ifdef TIMER_TEST_PIN
nrf_gpio_cfg_output(TIMER_TEST_PIN);
nrf_gpio_cfg_output(TIMER_TEST_PIN2);
#endif
}
/**@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) {
ret_code_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);
}
/**@brief Function for initializing the GATT module.
*/
static void gatt_init(void) {
ret_code_t err_code = nrf_ble_gatt_init(&m_gatt, NULL);
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 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);
}
void ota_resposnse_ack(ota_state state, ota_ack_type ack_type){
uint8_t data[2] = {state, ack_type};
uint16_t size = sizeof(data);
ble_nus_data_send(&m_nus, data, &size, NULL);
}
void ota_resposnse_ver(uint32_t ver){
uint8_t data[4] = {check_version_state , (ver>>0) , (ver>>8) , (ver>>16)};
uint16_t size = sizeof(data);
ble_nus_data_send(&m_nus, data,&size,NULL);
}
extern uint8_t ota_buffer[OTA_BUFFER_SIZE];
ota_control_t m_ota_ctrl;
ota_start_cmd_t start_cmd;
ota_write_cmd_t write_cmd;
ota_verify_cmd_t verify_cmd;
ota_clearrom_cmd_t clearrom_cmd;
ota_key_cmd_t key_cmd;
int8_t checksum_error(uint8_t* data, uint16_t len){
int8_t sum = 0;
for(uint16_t i=0;i<len;i++){
sum+=data[i];
}
return sum;
}
uint8_t data_compare(uint8_t* data, uint16_t len){
for(unsigned int i=0;i<len;i++){
if(data[i] != ota_buffer[i]) return 1;
}
return 0;
}
uint8_t ecdsa_verify(void);
uint8_t err_count = 0;
static int16_t clear_count = 0;
void ota_update_handle(uint8_t* flag){
uint8_t ret = 0 ;
uint8_t pass = 0;
switch (*flag){
case idle_flag:
*flag = idle_flag;
break;
case flash_flag:
ret = ota_flash_write(start_cmd.addr, ota_buffer, start_cmd.recv_len);
m_ota_ctrl.checksum = checksum_error((uint8_t*)start_cmd.addr, start_cmd.recv_len);
if( (ret==0) ){
ota_resposnse_ack(flash_state,ota_write_pass);
}else{
ota_resposnse_ack(flash_state,ota_write_fail);
}
*flag = idle_flag;
break;
case clear_flag:
// erase flash failed some times CPU is halted when NVMC is cleaning the flash
ret = ota_flash_erase(clearrom_cmd.start_addr, clearrom_cmd.end_addr);
//we should check the memory is reset to 0xff
nrf_delay_ms(400);
uint32_t data = *((uint32_t*)clearrom_cmd.start_addr);
if( data != EMPTY_DATA )
{
ota_resposnse_ack(clearrom_state,ota_clear_fail);
printf("not erase\r\n");
break;
}
if( (ret == 0) && (data == EMPTY_DATA) ){
ota_resposnse_ack(clearrom_state,ota_clear_pass);
printf("cp %d\r\n",clear_count);
}else if( (ret == 0) && (data!=EMPTY_DATA)){
ota_resposnse_ack(clearrom_state,ota_clear_fail);
printf("cf %d\r\n",clear_count);
}else{
printf("ce %d\r\n",clear_count);
}
*flag = idle_flag;
break;
case start_flag:
break;
case write_flag:
break;
case verify_flag:
break;
case key_flag:
nrf_drv_timer_disable(&TIMER_ADC); //disable timer
clear_count++;
pass = ecdsa_verify();
if(pass == 1){
ota_resposnse_ack(key_state,ota_key_fail);
m_ota_ctrl.key_pass = 1;
}else if(pass == 0){
ota_resposnse_ack(key_state,ota_key_pass);
m_ota_ctrl.key_pass = 0;
printf("k %d\r\n",clear_count);
}else{
ota_resposnse_ack(key_state,10);
}
memset(&key_cmd,0,sizeof(key_cmd));
*flag = idle_flag;
break;
case burn_flag:
//update mcu here
break;
default:
break;
}
}
static void ota_data_handler(ble_nus_evt_t * p_evt)
{
uint32_t* tmp;
uint8_t* tmp8_t;
uint8_t head = 0x00;
uint32_t ver = 0;
if (p_evt->type == BLE_NUS_EVT_RX_DATA)
{
uint32_t err_code;
head = p_evt->params.rx_data.p_data[0];
switch (head){
case key_state:
tmp = (uint32_t*)&p_evt->params.rx_data.p_data[0];
//key_cmd = *(ota_key_cmd_t*)tmp;
memcpy(&key_cmd, tmp, sizeof(key_cmd));
m_ota_ctrl.flag = key_flag;
break;
case start_state:
tmp = (uint32_t*)&p_evt->params.rx_data.p_data[0];
start_cmd = *(ota_start_cmd_t*)tmp;
memset(ota_buffer , 0 , OTA_BUFFER_SIZE); //clear ota tmp buffer
m_ota_ctrl.write_count = 0x00;
m_ota_ctrl.checksum = 0 ;
//checking flash is empty
if((*(uint32_t*)start_cmd.addr) != EMPTY_DATA){
//ota_resposnse_ack(start_state,ota_flash_noempty);
printf("not empty\r\n");
m_ota_ctrl.flag = clear_flag; //reset the flash
break;
};
if(m_ota_ctrl.key_pass == 1){ //ota_key_fail
ota_resposnse_ack(start_state,ota_key_fail);
break;
}
//check size and write address
if( (start_cmd.recv_len < otadata_max_size) ||
((start_cmd.addr)>=otadata_start_address && (start_cmd.addr)<otadata_end_address)
){
ota_resposnse_ack(start_state,ota_start_pass);
m_ota_ctrl.write_enable = true;
m_ota_ctrl.flag = start_flag;
}else{
if((start_cmd.recv_len >= otadata_max_size)){
ota_resposnse_ack(start_state,ota_size_overflow);
}else{
ota_resposnse_ack(start_state,ota_address_fail);
}
m_ota_ctrl.write_enable = false;
m_ota_ctrl.flag = idle_flag;
}
//printf("start_state\r\n");
break;
case write_state:
m_ota_ctrl.flag = write_flag;
tmp = (uint32_t*)&p_evt->params.rx_data.p_data[0];
tmp8_t = (uint8_t*)&p_evt->params.rx_data.p_data[2];
write_cmd = *(ota_write_cmd_t*)tmp;
if(m_ota_ctrl.key_pass == 1){ //ota_key_fail
ota_resposnse_ack(key_state,ota_key_fail);
break;
}
if(m_ota_ctrl.write_enable){
if( m_ota_ctrl.write_count < OTA_BUFFER_SIZE ){
memcpy(&ota_buffer[m_ota_ctrl.write_count], tmp8_t, write_cmd.len);
}
m_ota_ctrl.write_count += write_cmd.len;
ota_resposnse_ack(write_state,ota_write_pass);
m_ota_ctrl.state = write_state;
}else{
ota_resposnse_ack(write_state,ota_write_fail);
}
//printf("write_state\r\n");
break;
case flash_state:
if(m_ota_ctrl.key_pass == 1){ //ota_key_fail
ota_resposnse_ack(key_state,ota_key_fail);
break;
}else{
m_ota_ctrl.flag = flash_flag;
}
//printf("flash_state\r\n");
break;
case verify_state: // verify
tmp = (uint32_t*)&p_evt->params.rx_data.p_data[0];
verify_cmd = *(ota_verify_cmd_t*)tmp;
m_ota_ctrl.state = verify_state;
m_ota_ctrl.flag = verify_flag;
if(m_ota_ctrl.key_pass == 1){ //ota_key_fail
ota_resposnse_ack(key_state,ota_key_fail);
break;
}
//use checksum to verify flash
if(m_ota_ctrl.checksum == verify_cmd.crc_value){
ota_resposnse_ack(verify_state,ota_verify_pass);
// printf("verify pass\r\n");
}else{
ota_resposnse_ack(verify_state,ota_verify_fail);
printf("page failed\r\n");
}
break;
case clearrom_state: // clear rom
tmp = (uint32_t*)&p_evt->params.rx_data.p_data[0];
clearrom_cmd = *(ota_clearrom_cmd_t*)tmp;
m_ota_ctrl.flag = clear_flag;
break;
case check_version_state:
//check the ver. of the Frimware.
ver = ota_get_version();
ota_resposnse_ver(ver);
break;
case label_state:
break;
default:
break;
}
}
}
static void services_init(void) {
ret_code_t err_code;
nrf_ble_qwr_init_t qwr_init = {0};
ble_nus_init_t nus_init;
qwr_init.error_handler = nrf_qwr_error_handler;
err_code = nrf_ble_qwr_init(&m_qwr, &qwr_init);
APP_ERROR_CHECK(err_code);
memset(&nus_init, 0, sizeof(nus_init));
nus_init.data_handler = ota_data_handler;
err_code = ble_nus_init(&m_nus, &nus_init);
APP_ERROR_CHECK(err_code);
}
/**@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) {
ret_code_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) {
ret_code_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 starting timers.
*/
static void application_timers_start(void) {
nrf_drv_timer_enable(&TIMER_ADC);
}
/**@brief Function for putting the chip into sleep mode.
*
* @note This function will not return.
*/
static void sleep_mode_enter(void) {
ret_code_t err_code;
//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) {
ret_code_t err_code;
switch (ble_adv_evt) {
case BLE_ADV_EVT_FAST:
NRF_LOG_INFO("Fast advertising.");
//err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING);
//APP_ERROR_CHECK(err_code);
break;
case BLE_ADV_EVT_IDLE:
// sleep_mode_enter();
NRF_LOG_INFO("BLE idle.");
break;
default:
// No implementation needed.
break;
}
}
/**@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) {
ret_code_t err_code = NRF_SUCCESS;
// NRF_LOG_INFO("ble_evt_handler, %x", p_ble_evt->header.evt_id);
switch (p_ble_evt->header.evt_id) {
case BLE_GAP_EVT_DISCONNECTED:
NRF_LOG_INFO("Disconnected.");
// LED indication will be changed when advertising starts.
break;
case BLE_GAP_EVT_CONNECTED:
NRF_LOG_INFO("Connected.");
//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 = nrf_ble_qwr_conn_handle_assign(&m_qwr, m_conn_handle);
//APP_ERROR_CHECK(err_code);
break;
case BLE_GAP_EVT_PHY_UPDATE_REQUEST: {
NRF_LOG_DEBUG("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_GATTC_EVT_TIMEOUT:
// Disconnect on GATT Client timeout event.
NRF_LOG_DEBUG("GATT Client Timeout.");
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.
NRF_LOG_DEBUG("GATT Server Timeout.");
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;
case 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;
default:
// No implementation needed.
break;
}
}
/**@brief Function for initializing the BLE stack.
*
* @details 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);
ble_cfg_t ble_cfg;
}
/**@brief Function for the Peer Manager initialization.
*/
static void peer_manager_init(void) {
ble_gap_sec_params_t sec_param;
ret_code_t err_code;
err_code = pm_init();
APP_ERROR_CHECK(err_code);
memset(&sec_param, 0, sizeof(ble_gap_sec_params_t));
// Security parameters to be used for all security procedures.
sec_param.bond = SEC_PARAM_BOND;
sec_param.mitm = SEC_PARAM_MITM;
sec_param.lesc = SEC_PARAM_LESC;
sec_param.keypress = SEC_PARAM_KEYPRESS;
sec_param.io_caps = SEC_PARAM_IO_CAPABILITIES;
sec_param.oob = SEC_PARAM_OOB;
sec_param.min_key_size = SEC_PARAM_MIN_KEY_SIZE;
sec_param.max_key_size = SEC_PARAM_MAX_KEY_SIZE;
sec_param.kdist_own.enc = 1;
sec_param.kdist_own.id = 1;
sec_param.kdist_peer.enc = 1;
sec_param.kdist_peer.id = 1;
err_code = pm_sec_params_set(&sec_param);
APP_ERROR_CHECK(err_code);
err_code = pm_register(pm_evt_handler);
APP_ERROR_CHECK(err_code);
}
/**@brief Clear bond information from persistent storage.
*/
static void delete_bonds(void) {
ret_code_t err_code;
NRF_LOG_INFO("Erase bonds!");
err_code = pm_peers_delete();
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing the Advertising functionality.
*/
static void advertising_init(void) {
ret_code_t err_code;
ble_advertising_init_t init;
memset(&init, 0, sizeof(init));
init.advdata.name_type = BLE_ADVDATA_FULL_NAME;
init.advdata.include_appearance = true;
init.advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;
init.advdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]);
init.advdata.uuids_complete.p_uuids = m_adv_uuids;
init.config.ble_adv_fast_enabled = true;
init.config.ble_adv_fast_interval = APP_ADV_INTERVAL;
init.config.ble_adv_fast_timeout = APP_ADV_DURATION;
init.evt_handler = on_adv_evt;
err_code = ble_advertising_init(&m_advertising, &init);
APP_ERROR_CHECK(err_code);
ble_advertising_conn_cfg_tag_set(&m_advertising, APP_BLE_CONN_CFG_TAG);
}
/**@brief Function for initializing the nrf log module.
*/
static void log_init(void) {
ret_code_t err_code = NRF_LOG_INIT(NULL);
APP_ERROR_CHECK(err_code);
NRF_LOG_DEFAULT_BACKENDS_INIT();
}
/**@brief Function for initializing power management.
*/
static void power_management_init(void) {
ret_code_t err_code;
err_code = nrf_pwr_mgmt_init();
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling the idle state (main loop).
*
* @details If there is no pending log operation, then sleep until next the next event occurs.
*/
static void idle_state_handle(void) {
if (NRF_LOG_PROCESS() == false) {
nrf_pwr_mgmt_run();
}
}
/**@brief Function for starting advertising.
*/
static void advertising_start(bool erase_bonds) {
if (erase_bonds == true) {
delete_bonds();
// Advertising is started by PM_EVT_PEERS_DELETED_SUCEEDED event
} else {
ret_code_t err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST);
APP_ERROR_CHECK(err_code);
}
}
static void biologue_evt_handler(ble_biologue_service_t *p_biologue_service, ble_biologue_evt_t *p_evt) {
// Action to perform when the Data I/O characteristic notifications are enabled
// Add your implementation here
if (p_evt->evt_type == BLE_ECG_RAW_EVT_NOTIFICATION_ENABLED) {
// Possibly save to a global variable to know that notifications are ENABLED
NRF_LOG_INFO("Notifications ENABLED on ECG Characteristic");
} else if (p_evt->evt_type == BLE_ECG_RAW_EVT_NOTIFICATION_DISABLED) {
// Possibly save to a global variable to know that notifications are DISABLED
NRF_LOG_INFO("Notifications DISABLED on ECG Characteristic");
}
// Handle any other events necessary...
}
static void biologue_services_init(void) {
ret_code_t err_code;
ble_biologue_service_init_t biologue_init;
// Initialize the biologue service
memset(&biologue_init, 0, sizeof(biologue_init));
biologue_init.evt_handler = biologue_evt_handler;
err_code = ble_biologue_service_init(&m_biologue, &biologue_init);
NRF_LOG_INFO("Done with services_init()");
APP_ERROR_CHECK(err_code);
}
static size_t m_signature_size;
static nrf_crypto_ecdsa_secp256r1_signature_t m_signature;
//encoding message by SHA256
static uint8_t m_hash[32] =
{
0x07,0xf0,0x2a,0x70,0xa1,0xbe,0x9a,0x0e,
0x52,0x04,0x12,0xbf,0xe9,0x0c,0x10,0xc0,
0x96,0x98,0x8f,0x52,0x0b,0xbd,0x27,0xb1,
0x24,0xd1,0x15,0xa0,0xed,0xd5,0x1f,0x63,
};
//static const uint8_t m_alice_raw_private_key[32] =
//{
// 0x9e, 0x97, 0xf7, 0x3d, 0x15, 0x7b, 0x38, 0x4,
// 0x41, 0xfc, 0x69, 0x41, 0x29, 0x34, 0x77, 0x9c,
// 0x6b, 0x46, 0xae, 0x4a, 0x37, 0xe, 0xec, 0x91,
// 0xd7, 0x3a, 0x51, 0x5a, 0x0, 0x6d, 0x0, 0xf4,
//};