Heart Rate demo application

Overview

This application is a sample implementation of a Heart Rate Sensor of the Heart Rate Profile, as defined by the Bluetooth Special Interest Group.

It supports the mandatory Heart Rate Service (all mandatory and optional features) and optional Device Information Service.

Features:

• Advertising is started automatically once application is started. To start advertising if it is turned off push the button K1 (by default connected to P0_10 on DA1459x, P1_6 on DA1468x or P0_6 on DA1469x)
• Heart Rate Measurement notifications are sent automatically as soon as client enables them by writing proper value to CCC descriptor
• Energy Expended is reset automatically on write to HRCP
• Measurements are sent every 1 second and contain some randomly generated data in a way that different possible combinations of fields can be tested:
  • BPM value is in range 80-90 by default (8-bit values) but can be changed to 280-290 in order to send also 16-bit values
  • Contact Detected bit is toggled every 4 measurements sent
  • Energy Expended value is sent (and then increased) every 10 measurements
  • RR-Interval is includes and has 1 or 2 values

Installation procedure

The project is located in the projects/dk_apps/ble_profiles/hrp_sensor folder.

To install the project follow the General Installation and Debugging Procedure.

Suggested Configurable parameters

• Device name: In hrp_sensor_task.c, put the device name as GAP_DATA_TYPE_LOCAL_NAME in the respective array.
• Connect P1_2 to GND to trigger 16-bit HRP measurement value send. To change default pin port P1_2, in hrp_sensor_config.h define the proper port and pin value of CFG_SEND_16_BIT_VALUE_TRIGGER_GPIO_PIN and CFG_SEND_16_BIT_VALUE_TRIGGER_GPIO_PORT.
• To set the HRP Sensor to send Security Request, change CFG_PAIR_AFTER_CONNECT value to '1' in an hrp_sensor_config.h file. By default this flag is set to '0' - HRP Sensor will not try to pair first with HRP Collector.

PTS testing

Application can be readily used for executing PTS test cases against LLS, IAS and TPS. It does not require any user intervention during testing.

Manual testing

• Build the demo for execution from flash
• Download to flash and execute
• Scan for the device by name "Renesas HR Sensor" and connect
• Register for notifications from Heart Rate Measurement characteristic in Heart Rate service
  • About every second should be received random measurement:
    • By default 8-bit values of BPM are sent. This will generate values in range of 80-90.
    • To send 16-bit values of BPM, trigger port pin P1_2 state should be set to low (GND). This will generate values in range of 280-290
    • Contact Detected bit is toggled every 4 measurements sent
    • Energy Expended value is sent (and then increased) every 10 measurements
    • RR-Interval is includes and has 1 or 2 values
• read value of Body Sensor Location characteristic in Heart Rate service:
  • at each reading should be given the same value ('Chest' - hardcoded in application)
• write value to Heart Rate Control Point characteristic in Heart Rate service:
  • 01 value resets the value of the Energy Expended field in the Heart Rate Measurement characteristic