Blood Pressure Sensor Application.

#include <asf.h>
#include "platform.h"
#include "at_ble_api.h"
#include "console_serial.h"
#include "timer_hw.h"
#include "conf_extint.h"
#include "ble_manager.h"
#include "ble_utils.h"
#include "blp_sensor_app.h"
#include "blp_sensor.h"
#include "profiles.h"

Macros
#define	APP_BUTTON_EVENT_ID (2)

#define	APP_INVALID_EVENT_ID (0)

#define	APP_TIMER_EVENT_ID (1)

Functions
static at_ble_status_t	app_connected_state_handler (void *params)
	app_connected_state profile notifies the application about state More...

static at_ble_status_t	app_disconnected_state_handler (void *param)

static at_ble_status_t	app_indication_confirmation_handler (void *params)
	app_indication_confirmation_handler called by ble manager to give the status of notification sent More...

static void	app_indication_handler (bool enable)
	indication handler function called by the profile More...

static at_ble_status_t	app_notification_confirmation_handler (void *params)
	app_notification_confirmation_handler called by ble manager to give the status of notification sent More...

static void	app_notification_handler (bool enable)
	notification handler function called by the profile More...

static void	blp_char_indication (void)
	sends the characteristic data for the profile to send indication More...

static void	blp_char_notification (void)
	sends the characteristic data for profile to send notification More...

static at_ble_status_t	blp_sensor_app_custom_event (void *param)

static void	blp_value_update (uint8_t *data, uint8_t idx, uint16_t value, uint8_t value_type)
	blp_value_update which will change the blood pressure measurement operations More...

void	button_cb (void)
	Button Press Callback. More...

int	main (void)
	Heart Rate Sensor Application main function. More...

static void	time_stamp_init (void)
	initializes the time stamp with default time stamp More...

static void	timer_callback_handler (void)
	Timer callback handler called on timer expiry. More...

static void	update_blp_sensor_value (void)

static void	update_time_stamp (void)
	Updating the time stamp. More...

Variables
user_custom_event_t	app_custom_event [2]

static const ble_gap_event_cb_t	app_gap_handle

static const ble_gatt_server_event_cb_t	app_gatt_server_handle

volatile bool	app_init_done = false

volatile bool	app_state
	flag to check the app state More...

static const ble_custom_event_cb_t	blp_sensor_custom_event_cb

uint16_t	diastolic_val_kpa = DIASTOLIC_MIN_KPA
	current diastolic value in kpa More...

uint16_t	diastolic_val_mmhg = DIASTOLIC_MIN_MMHG
	Current diastolic value in mmhg. More...

volatile bool	indication_flag = APP_DEFAULT_VAL
	flag to send indication More...

volatile bool	indication_sent = true
	flag to check if indication has been sent successfully over the air More...

uint16_t	interim_diastolic_kpa = DIASTOLIC_MIN_KPA

uint16_t	interim_diastolic_mmhg = DIASTOLIC_MIN_MMHG

uint16_t	interim_map_kpa = MAP_MIN_KPA

uint16_t	interim_map_mmhg = MAP_MIN_MMHG

uint16_t	interim_systolic_kpa = SYSTOLIC_MIN_KPA

uint16_t	interim_systolic_mmhg = SYSTOLIC_MIN_MMHG

uint16_t	map_val_kpa = MAP_MIN_KPA
	current map value in kpa More...

uint16_t	map_val_mmhg = MAP_MIN_MMHG
	Current map value in mmhg. More...

volatile bool	notification_flag = APP_DEFAULT_VAL
	flag to send notifications More...

volatile bool	notification_sent = true
	flag to check if notification has been sent successfully over the air More...

volatile bool	notify = 0
	flag to send one notification for one second More...

volatile int8_t	operator[9]={1, 1, 1, 1, 1, 1, 1, 1, 1}
	flags for reversing the direction of characteristic* change for indication More...

uint16_t	pulse_rate_val = PULSE_RATE_MIN
	Current pulse rate value in kpa. More...

uint16_t	systolic_val_kpa = SYSTOLIC_MIN_KPA
	Current systolic in kpa. More...

uint16_t	systolic_val_mmhg = SYSTOLIC_MIN_MMHG
	Current systolic value in mmhg. More...

prf_date_time_t	time_stamp
	Current time stamp. More...

volatile uint8_t	timer_count = APP_DEFAULT_VAL
	Counter to maintain interval of indication. More...

volatile bool	units = APP_DEFAULT_VAL
	Flag to change the events from mmgh to kpa and vice versa. More...

volatile bool	user_request_flag = APP_DEFAULT_VAL
	Flag to identify user request for indication and notification. More...

#define APP_BUTTON_EVENT_ID (2)

Referenced by blp_sensor_app_custom_event().

#define APP_INVALID_EVENT_ID (0)

#define APP_TIMER_EVENT_ID (1)

Referenced by blp_sensor_app_custom_event().

static at_ble_status_t app_connected_state_handler ( void * params )

static

app_connected_state profile notifies the application about state

Parameters

[in] connected

References ALL_UNUSED, app_state, and AT_BLE_SUCCESS.

static at_ble_status_t app_disconnected_state_handler ( void * param )

static

static at_ble_status_t app_indication_confirmation_handler ( void * params )

static

app_indication_confirmation_handler called by ble manager to give the status of notification sent

Parameters

[in] at_ble_cmd_complete_event_t address of the cmd completion

References AT_BLE_SUCCESS, DBG_LOG, DBG_LOG_DEV, indication_sent, timer_count, and user_request_flag.

static void app_indication_handler ( bool enable )

static

indication handler function called by the profile

Parameters

[in] enable will give weather indication has to enabled or disabled.

References BLOOD_PRESSURE_PULSE_FLAG_MASK, BLP_DATA_LEN, blp_sensor_send_indication(), DBG_LOG, diastolic_val_kpa, diastolic_val_mmhg, indication_flag, map_val_kpa, map_val_mmhg, pulse_rate_val, systolic_val_kpa, systolic_val_mmhg, and units.

Referenced by main().

static at_ble_status_t app_notification_confirmation_handler ( void * params )

static

app_notification_confirmation_handler called by ble manager to give the status of notification sent

Parameters

[in] at_ble_cmd_complete_event_t address of the cmd completion

References AT_BLE_SUCCESS, DBG_LOG_DEV, and notification_sent.

static void app_notification_handler ( bool enable )

static

notification handler function called by the profile

Parameters

[in] enable will give weather notification has to enabled or disabled.

References DBG_LOG, INDICATION_TIMER_VAL, notification_flag, and timer_count.

Referenced by main().

static void blp_char_indication ( void )

static

sends the characteristic data for the profile to send indication

Blood pressure measurement flags

Units in mmhg

Units in kpa

Appending the flags for time stamp , pulse rate, user id , mm status

Appending User id

Appending Measurement status field

References BLOOD_PRESSURE_MMT_STATUS_FLAG_MASK, BLOOD_PRESSURE_PULSE_FLAG_MASK, BLOOD_PRESSURE_TIME_FLAG_MASK, BLOOD_PRESSURE_UNITS_FLAG_MASK, BLOOD_PRESSURE_USERID_FLAG_MASK, BLP_DATA_LEN, blp_sensor_send_indication(), blp_value_update(), prf_date_time::day, DBG_LOG, DBG_LOG_CONT, DIASTOLIC_KPA, DIASTOLIC_MMHG, diastolic_val_kpa, diastolic_val_mmhg, prf_date_time::hour, MAP_KPA, MAP_MMHG, map_val_kpa, map_val_mmhg, prf_date_time::min, prf_date_time::month, PULSE_RATE, pulse_rate_val, prf_date_time::sec, SYSTOLIC_KPA, SYSTOLIC_MMHG, systolic_val_kpa, systolic_val_mmhg, units, USERID_1, USERID_2, and prf_date_time::year.

Referenced by update_blp_sensor_value().

static void blp_char_notification ( void )

static

sends the characteristic data for profile to send notification

Units in mmhg

Units in kpa

Appending diastolic in kpa

Appending map in kpa

Appending User id

References BLOOD_PRESSURE_UNITS_FLAG_MASK, BLOOD_PRESSURE_USERID_FLAG_MASK, BLP_DATA_LEN, blp_sensor_send_notification(), blp_value_update(), DBG_LOG, INTERIM_SYS_KPA, INTERIM_SYS_MMHG, interim_systolic_kpa, interim_systolic_mmhg, units, USERID_1, and USERID_2.

Referenced by update_blp_sensor_value().

static at_ble_status_t blp_sensor_app_custom_event ( void * param )

static

For changing the units for each button press

To trigger the blood pressure indication

References APP_BUTTON_EVENT_ID, app_state, APP_TIMER_EVENT_ID, AT_BLE_FAILURE, AT_BLE_SUCCESS, DBG_LOG, indication_flag, notification_flag, notify, timer_count, units, update_blp_sensor_value(), update_time_stamp(), and user_request_flag.

static void blp_value_update	(	uint8_t *	data,
		uint8_t	idx,
		uint16_t	value,
		uint8_t	value_type
	)

static

blp_value_update which will change the blood pressure measurement operations

Parameters

[in]	data	to which the blood pressure parameter value to be appended
[in]	idx	index where the value has to be updated
[in]	value_type	which will determine which blood pressure parameter

References DIASTOLIC_KPA, DIASTOLIC_MAX_KPA, DIASTOLIC_MAX_MMHG, DIASTOLIC_MIN_KPA, DIASTOLIC_MIN_MMHG, DIASTOLIC_MMHG, INTERIM_SYS_KPA, INTERIM_SYS_MMHG, MAP_KPA, MAP_MAX_KPA, MAP_MAX_MMHG, MAP_MIN_KPA, MAP_MIN_MMHG, MAP_MMHG, PULSE_RATE, PULSE_RATE_MAX, PULSE_RATE_MIN, SYSTOLIC_KPA, SYSTOLIC_MAX_KPA, SYSTOLIC_MAX_MMHG, SYSTOLIC_MIN_KPA, SYSTOLIC_MIN_MMHG, and SYSTOLIC_MMHG.

Referenced by blp_char_indication(), and blp_char_notification().

void button_cb ( void )

Button Press Callback.

References app_init_done, and at_ble_event_user_defined_post().

int main ( void )

Heart Rate Sensor Application main function.

Initializing the application time stamp

Start the timer

References app_indication_handler(), app_init_done, app_notification_handler(), BLE_CUSTOM_EVENT_TYPE, ble_device_init(), ble_event_task(), BLE_GAP_EVENT_TYPE, BLE_GATT_SERVER_EVENT_TYPE, ble_mgr_events_callback_handler(), blp_sensor_adv(), blp_sensor_init(), board_init(), DBG_LOG, hw_timer_init(), hw_timer_register_callback(), hw_timer_start(), NULL, register_blp_indication_handler(), register_blp_notification_handler(), REGISTER_CALL_BACK, serial_console_init(), system_init(), time_stamp_init(), timer_callback_handler(), and TIMER_INTERVAL.

static void time_stamp_init ( void )

static

initializes the time stamp with default time stamp

References prf_date_time::day, prf_date_time::month, and prf_date_time::year.

Referenced by main().

static void timer_callback_handler ( void )

static

Timer callback handler called on timer expiry.

References at_ble_event_user_defined_post().

static void update_blp_sensor_value ( void )

static

References blp_char_indication(), blp_char_notification(), blp_disconnection(), DBG_LOG, indication_flag, indication_sent, INDICATION_TIMER_VAL, notification_flag, notification_sent, notify, timer_count, and user_request_flag.

Referenced by blp_sensor_app_custom_event().

static void update_time_stamp ( void )

static

Updating the time stamp.

References prf_date_time::day, DAY_MAX, prf_date_time::hour, HOUR_MAX, prf_date_time::min, MINUTE_MAX, prf_date_time::month, MONTH_MAX, prf_date_time::sec, SECOND_MAX, prf_date_time::year, and YEAR_MAX.

Referenced by blp_sensor_app_custom_event().

user_custom_event_t app_custom_event[2]

Initial value:

= {
    {
        .id = APP_TIMER_EVENT_ID,
        .bptr = NULL,
    },
    {
        .id = APP_BUTTON_EVENT_ID,
        .bptr = NULL
    }
}

const ble_gap_event_cb_t app_gap_handle

static

Initial value:

= {
    .connected = app_connected_state_handler,
    .disconnected = app_disconnected_state_handler
}

const ble_gatt_server_event_cb_t app_gatt_server_handle

static

Initial value:

= {
    .notification_confirmed = app_notification_confirmation_handler,
    .indication_confirmed = app_indication_confirmation_handler
}

volatile bool app_init_done = false

volatile bool app_state

flag to check the app state

const ble_custom_event_cb_t blp_sensor_custom_event_cb

static

Initial value:

= {
    .custom_event = blp_sensor_app_custom_event
}

uint16_t diastolic_val_kpa = DIASTOLIC_MIN_KPA

current diastolic value in kpa

Referenced by app_disconnected_state_handler(), app_indication_handler(), and blp_char_indication().

uint16_t diastolic_val_mmhg = DIASTOLIC_MIN_MMHG

Current diastolic value in mmhg.

Referenced by app_disconnected_state_handler(), app_indication_handler(), and blp_char_indication().

volatile bool indication_flag = APP_DEFAULT_VAL

flag to send indication

Referenced by app_disconnected_state_handler(), app_indication_handler(), blp_sensor_app_custom_event(), and update_blp_sensor_value().

volatile bool indication_sent = true

flag to check if indication has been sent successfully over the air

Referenced by app_disconnected_state_handler(), app_indication_confirmation_handler(), and update_blp_sensor_value().

uint16_t interim_diastolic_kpa = DIASTOLIC_MIN_KPA

Referenced by app_disconnected_state_handler().

uint16_t interim_diastolic_mmhg = DIASTOLIC_MIN_MMHG

Referenced by app_disconnected_state_handler().

uint16_t interim_map_kpa = MAP_MIN_KPA

Referenced by app_disconnected_state_handler().

uint16_t interim_map_mmhg = MAP_MIN_MMHG

Referenced by app_disconnected_state_handler().

uint16_t interim_systolic_kpa = SYSTOLIC_MIN_KPA

Referenced by app_disconnected_state_handler(), and blp_char_notification().

uint16_t interim_systolic_mmhg = SYSTOLIC_MIN_MMHG

Referenced by app_disconnected_state_handler(), and blp_char_notification().

uint16_t map_val_kpa = MAP_MIN_KPA

current map value in kpa

Referenced by app_disconnected_state_handler(), app_indication_handler(), and blp_char_indication().

uint16_t map_val_mmhg = MAP_MIN_MMHG

Current map value in mmhg.

Referenced by app_disconnected_state_handler(), app_indication_handler(), and blp_char_indication().

volatile bool notification_flag = APP_DEFAULT_VAL

flag to send notifications

volatile bool notification_sent = true

flag to check if notification has been sent successfully over the air

Referenced by app_connected_event_handler(), app_disconnected_state_handler(), app_notification_cfm_handler(), app_notification_confirmation_handler(), hr_sensor_app_custom_event(), and update_blp_sensor_value().

volatile bool notify = 0

flag to send one notification for one second

Referenced by app_disconnected_state_handler(), blp_sensor_app_custom_event(), and update_blp_sensor_value().

volatile int8_t operator[9]={1, 1, 1, 1, 1, 1, 1, 1, 1}

flags for reversing the direction of characteristic* change for indication

uint16_t pulse_rate_val = PULSE_RATE_MIN

Current pulse rate value in kpa.

Referenced by app_disconnected_state_handler(), app_indication_handler(), and blp_char_indication().

uint16_t systolic_val_kpa = SYSTOLIC_MIN_KPA

Current systolic in kpa.

Referenced by app_disconnected_state_handler(), app_indication_handler(), and blp_char_indication().

uint16_t systolic_val_mmhg = SYSTOLIC_MIN_MMHG

Current systolic value in mmhg.

Referenced by app_disconnected_state_handler(), app_indication_handler(), and blp_char_indication().

prf_date_time_t time_stamp

Current time stamp.

volatile uint8_t timer_count = APP_DEFAULT_VAL

Counter to maintain interval of indication.

Referenced by app_disconnected_state_handler(), app_indication_confirmation_handler(), app_notification_handler(), blp_sensor_app_custom_event(), and update_blp_sensor_value().

volatile bool units = APP_DEFAULT_VAL

Flag to change the events from mmgh to kpa and vice versa.

Referenced by app_disconnected_state_handler(), app_indication_handler(), blp_char_indication(), blp_char_notification(), and blp_sensor_app_custom_event().

volatile bool user_request_flag = APP_DEFAULT_VAL

Flag to identify user request for indication and notification.

Referenced by app_disconnected_state_handler(), app_indication_confirmation_handler(), blp_sensor_app_custom_event(), and update_blp_sensor_value().

Microchip® Advanced Software Framework

Macros

Functions

Variables