/**@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 ADC_IRQHandler(void)
{
if (nrf_adc_conversion_finished())
{
uint8_t adc_result;
uint16_t batt_lvl_in_milli_volts;
uint8_t percentage_batt_lvl;
uint32_t err_code;
nrf_adc_conversion_event_clean();
adc_result = nrf_adc_result_get();
batt_lvl_in_milli_volts = ADC_RESULT_IN_MILLI_VOLTS(adc_result) +
DIODE_FWD_VOLT_DROP_MILLIVOLTS;
percentage_batt_lvl = battery_level_in_percent(batt_lvl_in_milli_volts);
err_code = ble_bas_battery_level_update(&m_bas, percentage_batt_lvl);
if (
(err_code != NRF_SUCCESS)
&&
(err_code != NRF_ERROR_INVALID_STATE)
&&
(err_code != BLE_ERROR_NO_TX_BUFFERS)
&&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
}
/**@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;
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;
percentage_batt_lvl = battery_level_in_percent(batt_lvl_in_milli_volts);
err_code = ble_bas_battery_level_update(&m_bas, percentage_batt_lvl);
if (
(err_code != NRF_SUCCESS)
&&
(err_code != NRF_ERROR_INVALID_STATE)
&&
(err_code != BLE_ERROR_NO_TX_PACKETS)
&&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
}
/**@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 ADC_IRQHandler(void)
{
if (NRF_ADC->EVENTS_END != 0)
{
uint8_t adc_result;
uint16_t batt_lvl_in_milli_volts;
uint8_t percentage_batt_lvl;
uint32_t err_code;
NRF_ADC->EVENTS_END = 0;
adc_result = NRF_ADC->RESULT;
NRF_ADC->TASKS_STOP = 1;
batt_lvl_in_milli_volts = ADC_RESULT_IN_MILLI_VOLTS(adc_result) +
DIODE_FWD_VOLT_DROP_MILLIVOLTS;
percentage_batt_lvl = battery_level_in_percent(batt_lvl_in_milli_volts);
err_code = ble_bas_battery_level_update(&bas, percentage_batt_lvl);
if (
(err_code != NRF_SUCCESS)
&&
(err_code != NRF_ERROR_INVALID_STATE)
&&
(err_code != BLE_ERROR_NO_TX_BUFFERS)
&&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
}
/**@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 ADC_IRQHandler(void)
{
uint32_t err_code;
uint16_t adc_value;
uint8_t percentage_batt_lvl;
uint16_t batt_lvl_in_milli_volts;
nrf_adc_conversion_event_clean();
nrf_adc_stop();
adc_value = nrf_adc_result_get();
batt_lvl_in_milli_volts = ADC_RESULT_IN_MILLI_VOLTS(adc_value);
percentage_batt_lvl = battery_level_in_percent(batt_lvl_in_milli_volts);
err_code = ble_bas_battery_level_update(&m_bas, percentage_batt_lvl);
if (
(err_code != NRF_SUCCESS)
&&
(err_code != NRF_ERROR_INVALID_STATE)
&&
(err_code != BLE_ERROR_NO_TX_PACKETS)
&&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
/**@brief Function for performing battery measurement and updating the Battery Level characteristic
* in Battery Service.
*/
static void battery_level_update(void)
{
uint32_t err_code;
uint8_t battery_level;
battery_detect_start();
while(!battery_is_available());
battery_level = get_battery_value();
battery_detect_stop();
// xprintf("...battery_level = %d% \r\n", battery_level);
// if(battery_level < 20)
// system_low_battery();
err_code = ble_bas_battery_level_update(&m_bas, battery_level);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_BUFFERS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
//============================================================================//
void CP_BatteryServiceUpdate(uint8_t level)
{
uint32_t err_code;
err_code = ble_bas_battery_level_update(&_bas, level);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_BUFFERS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
/**@brief Function for performing battery measurement and updating the Battery Level characteristic
* in Battery Service.
*/
static void battery_level_update(void)
{
uint32_t err_code;
battery_level = battery_level-counter;
err_code = ble_bas_battery_level_update(&m_bas, battery_level);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_BUFFERS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
/**@brief Function for performing battery measurement and updating the Battery Level characteristic
* in Battery Service.
*/
static void battery_level_update(void)
{
uint32_t err_code;
uint8_t battery_level;
battery_level = (uint8_t)sensorsim_measure(&m_battery_sim_state, &m_battery_sim_cfg);
err_code = ble_bas_battery_level_update(&m_bas, battery_level);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_PACKETS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
/**@brief Function for performing battery measurement and updating the Battery Level characteristic
* in Battery Service.
*/
static void battery_level_update(void)
{
uint32_t err_code;
uint8_t battery_level;
battery_level = 79;
err_code = ble_bas_battery_level_update(&m_bas, battery_level);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_PACKETS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING))
{
APP_ERROR_HANDLER(err_code);
debug_printf("Error updating battery level \r\n");
}
}
/**@brief Function for performing battery measurement and updating the Battery Level characteristic
* in Battery Service.
*/
static void battery_level_update(void)
{
uint32_t err_code;
uint8_t battery_level;
//battery_level = (uint8_t)sensorsim_measure(&m_battery_sim_state, &m_battery_sim_cfg);
//printf("\n\rBegin conversion: ADC value = %d \r\n", (int)adc_sample);
battery_level = (uint8_t)((float)adc_sample/9.04);
//printf("\n\rConversion complete: batt level = %d \r\n", (int)battery_level);
err_code = ble_bas_battery_level_update(&m_bas, battery_level);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_BUFFERS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
/**
* @brief ADC interrupt handler.
*/
static void adc_event_handler(nrf_drv_adc_evt_t const * p_event)
{
uint32_t err_code;
uint16_t adc_sum_value = 0;
uint16_t adc_average_value;
uint16_t adc_result_millivolts;
uint8_t adc_result_percent;
sd_clock_hfclk_release(); //Release the external crystal
adc_event_counter++;
NRF_LOG_INFO(" ADC event counter: %d\r\n", adc_event_counter);
if (p_event->type == NRF_DRV_ADC_EVT_DONE)
{
uint32_t i;
for (i = 0; i < p_event->data.done.size; i++)
{
NRF_LOG_INFO("Sample value %d: %d\r\n", i+1, p_event->data.done.p_buffer[i]);
adc_sum_value += p_event->data.done.p_buffer[i]; //Sum all values in ADC buffer
}
adc_average_value = adc_sum_value / p_event->data.done.size; //Calculate average value from all samples in the ADC buffer
NRF_LOG_INFO("Average ADC value: %d\r\n", adc_average_value);
adc_result_millivolts = ADC_RESULT_IN_MILLI_VOLTS(adc_average_value); //Transform the average ADC value into millivolts value
NRF_LOG_INFO("ADC result in millivolts: %d\r\n", adc_result_millivolts);
adc_result_percent = battery_level_in_percent(adc_result_millivolts); //Transform the millivolts value into battery level percent.
NRF_LOG_INFO("ADC result in percent: %d\r\n", adc_result_percent);
//Send the battery level over BLE
err_code = ble_bas_battery_level_update(&m_bas, adc_result_percent); //Send the battery level over BLE
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_PACKETS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING))
{
APP_ERROR_HANDLER(err_code); //Assert on error
}
}
}
/**@brief Function for performing battery measurement and updating the Battery Level characteristic
* in Battery Service.
*/
static void battery_level_update(void)
{
uint32_t err_code;
static uint8_t battery_level = 0;
battery_level++;
if (battery_level > 100)
{
battery_level = 0;
}
err_code = ble_bas_battery_level_update(&m_bas, battery_level);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_PACKETS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
/**@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)
{
ret_code_t err_code;
switch (p_evt->evt_id)
{
case PM_EVT_BONDED_PEER_CONNECTED:
{
NRF_LOG_INFO("Connected to a previously bonded device.\r\n");
} break;
case PM_EVT_CONN_SEC_SUCCEEDED:
{
NRF_LOG_INFO("Connection secured. Role: %d. conn_handle: %d, Procedure: %d\r\n",
ble_conn_state_role(p_evt->conn_handle),
p_evt->conn_handle,
p_evt->params.conn_sec_succeeded.procedure);
} break;
case PM_EVT_CONN_SEC_FAILED:
{
/* Often, when securing fails, it shouldn't be restarted, for security reasons.
* Other times, it can be restarted directly.
* Sometimes it can be restarted, but only after changing some Security Parameters.
* Sometimes, it cannot be restarted until the link is disconnected and reconnected.
* Sometimes it is impossible, to secure the link, or the peer device does not support it.
* How to handle this error is highly application dependent. */
} break;
case PM_EVT_CONN_SEC_CONFIG_REQ:
{
// Reject pairing request from an already bonded peer.
pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false};
pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config);
} break;
case PM_EVT_STORAGE_FULL:
{
// Run garbage collection on the flash.
err_code = fds_gc();
if (err_code == FDS_ERR_BUSY || err_code == FDS_ERR_NO_SPACE_IN_QUEUES)
{
// Retry.
}
else
{
APP_ERROR_CHECK(err_code);
}
} break;
case PM_EVT_PEERS_DELETE_SUCCEEDED:
{
advertising_start();
} break;
case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED:
{
// The local database has likely changed, send service changed indications.
pm_local_database_has_changed();
} break;
case PM_EVT_PEER_DATA_UPDATE_FAILED:
{
// Assert.
APP_ERROR_CHECK(p_evt->params.peer_data_update_failed.error);
} break;
case PM_EVT_PEER_DELETE_FAILED:
{
// Assert.
APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error);
} break;
case PM_EVT_PEERS_DELETE_FAILED:
{
// Assert.
APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error);
} break;
case PM_EVT_ERROR_UNEXPECTED:
{
// Assert.
APP_ERROR_CHECK(p_evt->params.error_unexpected.error);
} break;
case PM_EVT_CONN_SEC_START:
case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED:
case PM_EVT_PEER_DELETE_SUCCEEDED:
case PM_EVT_LOCAL_DB_CACHE_APPLIED:
case PM_EVT_SERVICE_CHANGED_IND_SENT:
case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED:
default:
break;
}
}
/**@brief Function for performing battery measurement and updating the Battery Level characteristic
* in Battery Service.
*/
static void battery_level_update(void)
{
uint32_t err_code;
uint8_t battery_level;
battery_level = (uint8_t)sensorsim_measure(&m_battery_sim_state, &m_battery_sim_cfg);
err_code = ble_bas_battery_level_update(&m_bas, battery_level);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_PACKETS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
}
/**@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)
{
ret_code_t err_code;
switch(p_evt->evt_id)
{
case PM_EVT_BONDED_PEER_CONNECTED:
{
NRF_LOG_PRINTF_DEBUG("Connected to previously bonded device\r\n");
// Start Security Request timer.
err_code = app_timer_start(m_sec_req_timer_id, SECURITY_REQUEST_DELAY, NULL);
APP_ERROR_CHECK(err_code);
err_code = pm_peer_rank_highest(p_evt->peer_id);
if (err_code != NRF_ERROR_BUSY)
{
APP_ERROR_CHECK(err_code);
}
}break;//PM_EVT_BONDED_PEER_CONNECTED
case PM_EVT_CONN_SEC_START:
break;//PM_EVT_CONN_SEC_START
case PM_EVT_CONN_SEC_SUCCEEDED:
{
/*Check if the link is authenticated (meaning at least MITM)*/
pm_conn_sec_status_t conn_sec_status;
err_code = pm_conn_sec_status_get(p_evt->conn_handle, &conn_sec_status);
APP_ERROR_CHECK(err_code);
if (!conn_sec_status.mitm_protected)
{
APP_LOG("Collector did not use MITM, disconnecting\r\n");
/*The peer did not use MITM, disconnect*/
err_code = pm_peer_id_get(m_conn_handle, &peer_to_be_deleted);
APP_ERROR_CHECK(err_code);
err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
APP_ERROR_CHECK(err_code);
// m_state = W_ADV_STATE_UNBONDED;
}
else
{
NRF_LOG_PRINTF_DEBUG("Link secured. Role: %d. conn_handle: %d, Procedure: %d\r\n",
ble_conn_state_role(p_evt->conn_handle),
p_evt->conn_handle,
p_evt->params.conn_sec_succeeded.procedure);
err_code = pm_peer_rank_highest(p_evt->peer_id);
if (err_code != NRF_ERROR_BUSY)
{
APP_ERROR_CHECK(err_code);
}
// m_state = W_ADV_STATE_BONDED;
}
}break;//PM_EVT_CONN_SEC_SUCCEEDED
case PM_EVT_CONN_SEC_FAILED:
{
/** In some cases, when securing fails, it can be restarted directly. Sometimes it can
* be restarted, but only after changing some Security Parameters. Sometimes, it cannot
* be restarted until the link is disconnected and reconnected. Sometimes it is
* impossible, to secure the link, or the peer device does not support it. How to
* handle this error is highly application dependent. */
APP_LOG("link secure failed! ");
switch (p_evt->params.conn_sec_failed.error)
{
case PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING:
NRF_LOG_DEBUG("error: PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING");
break;//PM_CONN_SEC_ERROR_PIN_OR_KEY_MISSING
case PM_CONN_SEC_ERROR_MIC_FAILURE:
NRF_LOG_DEBUG("error: PM_CONN_SEC_ERROR_MIC_FAILURE");
break;//PM_CONN_SEC_ERROR_MIC_FAILURE
case PM_CONN_SEC_ERROR_DISCONNECT :
NRF_LOG_DEBUG("error: PM_CONN_SEC_ERROR_DISCONNECT ");
break;//PM_CONN_SEC_ERROR_DISCONNECT
case PM_CONN_SEC_ERROR_SMP_TIMEOUT:
NRF_LOG_DEBUG("error: PM_CONN_SEC_ERROR_SMP_TIMEOUT");
break;//PM_CONN_SEC_ERROR_SMP_TIMEOUT
default:
NRF_LOG_DEBUG("unknown error");
break;
}
APP_LOG("\r\nDisconnecting\r\n");
err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
APP_ERROR_CHECK(err_code);
m_conn_handle = BLE_CONN_HANDLE_INVALID;
}break;//PM_EVT_CONN_SEC_FAILED
case PM_EVT_CONN_SEC_CONFIG_REQ:
{
// Reject pairing request from an already bonded peer.
pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false};
pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config);
}break;//PM_EVT_CONN_SEC_CONFIG_REQ
case PM_EVT_STORAGE_FULL:
{
// Run garbage collection on the flash.
err_code = fds_gc();
if (err_code == FDS_ERR_BUSY || err_code == FDS_ERR_NO_SPACE_IN_QUEUES)
{
// Retry.
}
else
{
APP_ERROR_CHECK(err_code);
}
}break;//PM_EVT_STORAGE_FULL
case PM_EVT_ERROR_UNEXPECTED:
// Assert.
APP_ERROR_CHECK(p_evt->params.error_unexpected.error);
break;//PM_EVT_ERROR_UNEXPECTED
case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED:
break;//PM_EVT_PEER_DATA_UPDATE_SUCCEEDED
case PM_EVT_PEER_DATA_UPDATE_FAILED:
// Assert.
APP_ERROR_CHECK_BOOL(false);
break;//PM_EVT_PEER_DATA_UPDATE_FAILED
case PM_EVT_PEER_DELETE_SUCCEEDED:
break;//PM_EVT_PEER_DELETE_SUCCEEDED
case PM_EVT_PEER_DELETE_FAILED:
// Assert.
APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error);
break;//PM_EVT_PEER_DELETE_FAILED
case PM_EVT_PEERS_DELETE_SUCCEEDED:
NRF_LOG_PRINTF_DEBUG("%s: PM_EVT_PEERS_DELETE_SUCCEEDED\r\n", __func__);
// m_erasing_bonds = false;
// advertising_init();
// advertising_start();
break;
case PM_EVT_PEERS_DELETE_FAILED:
// Assert.
APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error);
break;//PM_EVT_PEERS_DELETE_FAILED
case PM_EVT_LOCAL_DB_CACHE_APPLIED:
break;//PM_EVT_LOCAL_DB_CACHE_APPLIED
case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED:
// The local database has likely changed, send service changed indications.
pm_local_database_has_changed();
break;//PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED
case PM_EVT_SERVICE_CHANGED_IND_SENT:
break;//PM_EVT_SERVICE_CHANGED_IND_SENT
case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED:
break;//PM_EVT_SERVICE_CHANGED_IND_CONFIRMED
default:
// No implementation needed.
break;
}
}
/**@brief Function for handling Service 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 service_error_handler(uint32_t nrf_error)
//{
// APP_ERROR_HANDLER(nrf_error);
//}
/**@brief Function for performing battery measurement and updating the Battery Level characteristic
* in Battery Service.
*/
static void battery_level_update(void)
{
uint32_t err_code;
uint8_t battery_level;
// battery_level = (uint8_t)sensorsim_measure(&m_battery_sim_state, &m_battery_sim_cfg);
battery_level = 37;
err_code = ble_bas_battery_level_update(&m_bas, battery_level);
if ((err_code != NRF_SUCCESS) &&
(err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != BLE_ERROR_NO_TX_PACKETS) &&
(err_code != BLE_ERROR_GATTS_SYS_ATTR_MISSING)
)
{
APP_ERROR_HANDLER(err_code);
}
// if (m_adv_state == W_ADV_STATE_IDLE) {
// advertising_init();
// advertising_start();
// }
}