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Environment Sensor

2JCIE-BL01

Communication Interface Manual v1.6

1. Introduction 1.1. Scope 1.2. Communication Interface 1.3. Operation flow 1.3.1 With Data Recording mode 1.3.2 Without Data Recording mode 1.3.3 Flash memory for data recording 72. GATT Services 6 2.1. Sensor Service (Service UUID: 0x3000) 2.1.1 Latest data (Characteristics UUID: 0x3001) 2.1.2 Latest page (Characteristics UUID: 0x3002) 2.1.3 Request page (Characteristics UUID: 0x3003) 2.1.4 Response flag (Characteristics UUID: 0x3004) 2.1.5 Response data (Characteristics UUID: 0x3005) 2.1.6 Event flag (Characteristics UUID: 0x3006) 9 2.2. Setting Service (Service UUID: 0x3010) 2.2.1 Measurement interval (Characteristics UUID: 0x3011) 2.2.2 Temperature (Characteristics UUID: 0x3013) 2.2.3 Relative humidity (Characteristics UUID: 0x3014) 2.2.4 Ambient light (Characteristics UUID: 0x3015) 2.2.5 UV Index (Characteristics UUID: 0x3016) 2.2.6 Pressure (Characteristics UUID: 0x3017) 2.2.7 Sound Noise (Characteristics UUID: 0x3018) 2.2.8 Discomfort index (Characteristics UUID: 0x3019) 2.2.9 Heat stroke (Characteristics UUID: 0x301A) 4 2.3. Control Service (Service UUID: 0x3030) 2.3.1 Time information (Characteristics UUID: 0x3031) 2.3.2 LED on duration (Characteristics UUID: 0x3032) 2.3.3 Error status (Characteristics UUID: 0x3033) 2.3.4 Trigger (Characteristics UUID: 0x3034) 2 2.4. Parameter Service (Service UUID: 0x3040) 2.4.1 UUIDs (Characteristics UUID: 0x3041) 2.4.2 ADV setting (Characteristics UUID: 0x3042) 2.5. DFU Service (Service UUID: 0x3050) 3 2.6. Generic Access Service (Service UUID: 0x1800) 2.6.1 Device Name (Characteristics UUID: 0x2A00) 2.6.2 Appearance (Characteristics UUID: 0x2A01) 2.6.3 Peripheral Preferred Connection Parameters (Characteristics UUID: 0x2A04) 5 2.7. Device Information Service (Service UUID: 0x180A) 2.7.1 Model Number String (Characteristics UUID: 0x2A24) 2.7.2 Serial Number String (Characteristics UUID: 0x2A25) 2.7.3 Firmware Revision String (Characteristics UUID: 0x2A26) 2.7.4 Hardware Revision String (Characteristics UUID: 0x2A27) 2.7.5 Manufacturer Name String (Characteristics UUID: 0x2A29) 3. Advertise format 3.1. (A) Beacon 3.2. (B) Connection Advertise 1 3.2.1 Advertise (ADV_IND) 3.2.2 Scan Response (SCAN_RSP) 3.3. (C) Connection Advertise 2 (ADV_IND) 3.4. (D) Sensor ADV 1 (ADV_IND) 3.5. (E) Sensor ADV 2 (ADV_IND)

1. Introduction


1.1. Scope

This Communication I/F Manual applies to Environment Sensor type 2JCIE-BL01.


1.2. Communication Interface

Environment sensor communicates with a smartphone, tablet, etc. via Bluetooth® low energy.

Table 1. GAP Role
GAP Role
Environment Sensor Peripheral
Smartphone, Tablet or others Central

1.3. Operation flow

According to set Beacon Mode, there are two operation patterns with and without measured data recording. The sensor data measurement and recording to flash memory are carried out regardless of whether they are connected or disconnected to/from the Central device. Further details of Beacon Mode are described in 3. Advertise format.

Operation flow

Figure 1. Operation flow


1.3.1 With Data Recording mode

The following Beacon Modes operate with data recording to the flash memory. To activate data recording, 2.3.1 Time Information must be set from the Central device first. Time information is cleared to zero (0) again when the Measurement Interval is changed, Beacon Mode is changed, battery is exchanged or power is reset. In these cases, it is necessary to set Time Information again to restart data recording．

Table 2. List of Beacon Mode with Data Recording
Beacon Mode Name Shortened Device Name Device Name
0x00 Event Beacon (SCAN RSP) Env EnvSensor-BL01
0x01 Standard Beacon Env EnvSensor-BL01
0x07 Alternate Beacon Env EnvSensor-BL01
0x08 Event Beacon (ADV) Env EnvSensor-BL01

1.3.2 Without Data Recording mode

Since the measured data is not recorded to the flash memory in the following Beacon Modes, only Latest Data is updated．

Table 3. List of Beacon Mode without Data Recording
Beacon Mode Name Shortened Device Name Device Name
0x02 General Broadcaster 1 IM IM-BL01
0x03 Limited Broadcaster 1 IM IM-BL01
0x04 General Broadcaster 2 EP EP-BL01
0x05 Limited Broadcaster 2 EP EP-BL01

1.3.3 Flash memory for data recording

The flash memory consists of 2048 pages in total (from Page 0 to Page 2047), and the content of single page consists of UNIX TIME and 13 rows of measured data. The UNIX TIME indicates the measurement time at the first row of the page (Row 0), and from the first line onwards, it is possible to calculate the measurement time by adding the measurement interval to the UNIX TIME. When data is stored 13 times (from Row 0 to Row 12) in single page, a new page is created for the next measurement．

Table 4. Example of Memory contents: Page 1
Items Contents Remarks
UNIX TIME 0x5685C180 (1451606400) 2016/1/1 0:00:00 <
Measurement Interval 0x12C (300sec) 5 min. interval
Row 0 Sensor data 2016/1/1 0:00:00
Row 1 Sensor data 2016/1/1 0:05:00
Row 2 Sensor data 2016/1/1 0:10:00
… … …

Row 12 Sensor data 2016/1/1 1:00:00
Table 5. Example of Memory contents: Page 2
Items Contents Remarks
UNIX TIME 0x5685D0BC (1451610300) 2016/1/1 1:05:00
Measurement Interval 0x12C (300sec) 5 min. interval
Row 0 Sensor data 2016/1/1 1:05:00
Row 1 Sensor data 2016/1/1 1:10:00
… … …

2. GATT Services

UUIDs of supported GATT services are shown below. Except public services defined by Bluetooth specification, full UUIDs of all the CUSTOM services and characteristics are based on the same Base UUID as follows．

Base UUID
0C4C XXXX -7700-46F4-AA96D5E974E32A54
Table 6. List of supported GATT Services
Service UUID Service name Number of Characteristics
0x3000 Sensor Service 6
0x3010 Setting Service 9
0x3030 Control Service 4
0x3040 Parameter Service 2
0x3050 DFU Service 3
0x1800 (Public) Generic Access Service 3
0x1801 (Public) Generic Attribute Service 1
0x180A (Public) Device Information Service 5

2.1. Sensor Service (Service UUID: 0x3000)

Sensor Service is the service for the sensor data acquisition.

Table 7. List of Characteristics in Sensor Service
Characteristics UUID Characteristics Properties Byte
R W N I
0x3001 Latest data ✔ ✔ 19
0x3002 Latest page ✔ 9
0x3003 Request page ✔ ✔ 3
0x3004 Response flag ✔ 5
0x3005 Response data ✔ 19
0x3006 Event flag ✔ ✔ 9
*Properties (R : Read，W : Write，N : Notify，I：Indicate)

2.1.1 Latest data (Characteristics UUID: 0x3001)

Measured sensor data is updated every measurement interval and reflected in Latest data. The measurement interval can be changed in 2.2.1 Measurement interval.

In addition to regular update in set measurement interval, when sensor is disconnected from Central devices, the measurement is immediately carried out then the contents of this characteristics is updated. However, in case of immediate data measurement, this measured data is not saved to the memory and row number is not updated.

Table 8. Latest data format
Byte Field Format Contents
0 Row number / Sequence number UInt8 With Data Recording: Range：0 to 12　(*1)
Without Data Recording: Range：0 to 255
1 Temperature L SInt16 Unit：0.01 degC
2 H
3 Relative Humidity L SInt16 Unit：0.01 %RH
4 H
5 Light L SInt16 Unit：1 lx
6 H
7 UV Index L SInt16 Unit：0.01
8 H
9 Barometric Pressure L SInt16 Unit：0.1 hPa
10 H
11 Sound noise L SInt16 Unit：0.01 dB
12 H
13 Discomfort Index (*2) L SInt16 Unit：0.01
14 H
15 Heatstroke risk factor (*2) L SInt16 Unit：0.01 degC
16 H
17 Battery voltage L UInt16 Unit：1 mV
18 H

(*1) In the operation with data recording mode, the value is always zero unless Time information is set.

(*2) Discomfort Index, Heatstroke risk factor (WBGT approximation) are calculated only by temperature and humidity. These information is just a rough indication and for referential use only.


2.1.2 Latest page (Characteristics UUID: 0x3002)

The Latest page shows the latest page and row information of the memory as the progress status of data recording. The Central device can acquire the past memory data by referring to the difference between the page information at the previous data retrieving and this latest page information．

Table 9. Latest page format
Byte Field Format Contents
0 UNIX TIME 0 UInt32 Created time of the latest page.
Unit：1 sec
Range：1970/1/1 0:00:01 to 2106/2/7 6:28:15
1 1
2 2
3 3
4 Measurement interval L UInt16 Unit：1 sec
Range：1 to 3600 sec
5 H
6 Latest page L UInt16 Range：0 to 2047
7 H
8 Latest row UInt8 Range：0 to 12

2.1.3 Request page (Characteristics UUID: 0x3003)

Specify the page number to retrieve the measured data from the flash memory. The result of retrieving from the memory for the page specified in this Characteristic will be set in 2.1.4 Response flag and the past measured data will be set in 2.1.5 Response data.

* Note: Memory recording of measured data is not started unless 2.3.1 Time information is set.
Table 10. Request page format
Byte Field Format Contents
0 Requesting Page No. L UInt16 Range：0 to 2047
1 H
2 Requesting Row No. UInt8 Range：0 to 12

2.1.4 Response flag (Characteristics UUID: 0x3004)

When requesting page and row number is set in 2.1.3 Request page, 2.1.5 Response Data will be updated with retrieved measured data. Whether the update is successfully completed or not can be known by the Update flag of this Characteristic. In addition, updating of this Characteristic is done in the page basis, confirmation in the row basis is unnecessary.

* Note: Memory recording of measured data is not started unless 2.3.1 Time information is set．
Table 11. Response flag format
Byte Field Format Contents
0 Update flag UInt8 0x00: Retrieving
0x01: Completed
0x02: Failed to retrieve data
1 UNIX TIME 0 UInt32 Created time of this page.
Unit：1 sec
Range：1970/1/1 0:00:01 to 2106/2/7 6:28:15
2 1
3 2
4 3

2.1.5 Response data (Characteristics UUID: 0x3005)

Retrieved memory data in the page and row specified in 2.1.3 Request page will be updated in this characteristic. Correct data acquisition can be made after the update flag becomes "Completed" in 2.1.5 Response flag. Also, by reading this Characteristic, the data of the next row in the same page is automatically set to this Characteristic (descending order Row 12 to Row 0). Therefore, it is unnecessary to specify 2.1.3 Request page for each row, and all row in the same page can be read by continuous Read of this Characteristic. However, since automatic retrieving across pages is not performed, when moving to the next page, it is necessary to specify the page number again to 2.1.3 Request page and confirm the 2.1.4 Response flag each time.

　
* Note: Memory recording of measured data is not started unless 2.3.1 Time information is set．
Table 12. Response data format
Byte Field Format Contents
0 Row number UInt8 Range：0 to 12
1 Temperature L SInt16 Unit：0.01 degC
2 H
3 Relative Humidity L SInt16 Unit：0.01 %RH
4 H
5 Light L SInt16 Unit：1 lx
6 H
7 UV Index L SInt16 Unit：0.01
8 H
9 Barometric Pressure L SInt16 Unit：0.1 hPa
10 H
11 Sound noise L SInt16 Unit：0.01 dB
12 H
13 Discomfort Index L SInt16 Unit：0.01
14 H
15 Heatstroke risk factor L SInt16 Unit：0.01 degC
16 H
17 Battery voltage L UInt16 Unit：1 mV
18 H

Operation flow of data retrieving from flash memory is shown below.

Operation flow of data retrieving from flash memory

Figure 2. Operation flow of data retrieving from flash memory

(*1) The information of the latest page can be acquire from 2.1.2 Latest page or the page information in advertisement data.

(*2) While the result of reading Response flag is 0x00: Retrieving, try reading Response flag until updating is completed.

(*3) If the result of reading Response flag is 0x02: Fail and updating is not completed after 3 times of retry, the data in the flash memory may be corrupted. In this case skip the corresponding page and obtain the data of the next page.


2.1.6 Event flag (Characteristics UUID: 0x3006)

The state of occurrence of various events is represented by a bit field for each sensor.

　
Table 13. Event flag format
Byte Field Format Contents
0 Temperature UInt8 Bit 7-6 : RFU
Bit 5 : Simple threshold [lower limit]
Bit 4 : Simple threshold [upper limit]
Bit 3 : Changing trend [decline/term]
Bit 2 : Changing trend [rise/term]
Bit 1 : Changing trend [decline/previous]
Bit 0 : Changing trend [rise/previous]
1 Relative Humidity UInt8
2 Light UInt8
3 UV Index UInt8
4 Barometric Pressure UInt8
5 Sound noise UInt8
6 Discomfort Index UInt8
7 Heatstroke risk factor UInt8
8 Other events UInt8 Bit 7-1 : RFU
Bit 0 : Battery replacement

* Simple threshold: The state where the latest acquisition data exceeds the set threshold.

* Changing trend:

[term] : The state in which there is at least one difference equal to or greater than set threshold between the latest data and the predetermined number of past data.
[previous] : The stat in which the difference between the latest data and the previous data is equal to or greater than the set threshold.
Event detection

Figure 3. Event detection


2.2. Setting Service (Service UUID: 0x3010)

Read and Write the settings of each sensor.

　
Table 14. List of Characteristics in Sensor Setting Service
Characteristics UUID Characteristics Properties Byte
R W N I
0x3011 Measurement interval ✔ ✔     2
0x3013 Temperature ✔ ✔     15
0x3014 Relative humidity ✔ ✔     15
0x3015 Ambient light ✔ ✔     15
0x3016 UV Index ✔ ✔     15
0x3017 Pressure ✔ ✔     15
0x3018 Sound noise ✔ ✔     15
0x3019 Discomfort index ✔ ✔     15
0x301A Heat stroke ✔ ✔     15

2.2.1 Measurement interval (Characteristics UUID: 0x3011)

Specify measurement interval in seconds．（Common to all sensors） Time information is cleared to zero (0) when changing the measurement interval, so it is necessary to set the time again to start data recording.

　
Table 15. Measurement interval format
Byte Field Format Contents
0 Measurement interval L UInt16 Unit：1 sec
Range：1 to 3600 sec
Default：300 sec (0x012C)
1 H

The possible recording period are shown in Table 16.

　
Table 16. Relationship between Measurement interval and possible recording period
Measurement interval Recording period (hour) Recording period (day)
1 sec 7.4 hour 0.3 days
10 sec 74 hour 3.0 days
30 sec 222 hour 9.2 days
60 sec 444 hour 18 days
300 sec 2219 hour 92 days
600 sec 4437 hour 185 days
3600 sec 26624 hour 1109 days

2.2.2 Temperature (Characteristics UUID: 0x3013)

Temperature sensor related event settings．

　
Table 17. Temperature format
Byte Field Format Contents
0 Event Enable/Disable UInt8 Bit 7-6 : RFU
Bit 5 : Simple threshold [lower limit]
Bit 4 : Simple threshold [upper limit]
Bit 3 : Changing trend [decline/term]
Bit 2 : Changing trend [rise/term]
Bit 1 : Changing trend [decline/previous]
Bit 0 : Changing trend [rise/previous]
Enable: 1, Disable: 0
Default：0x00
1 Changing trend threshold [rise/previous] L SInt16 Unit：0.01 degC
Range：0.01 to 30.00 degC
Default：0x00C8 (2.00 degC)
2 H
3 Changing trend threshold [decline/previous] L
4 H
5 Changing trend threshold [rise/term] L
6 H
7 Changing trend threshold [decline/term] L
8 H
9 Simple threshold [upper limit] L SInt16 Unit：0.01 degC
Range：-10.00 to 60.00 degC
Default：0x0DAC (35.00 degC)
10 H
11 Simple threshold [lower limit] L Unit：0.01 degC
Range：-10.00 to 60.00 degC
Default：0x03E8 (10.00 degC)
12 H
13 Term for changing trend (Number of Measurements) UInt8 Unit：1 count
Range：1 to 8 count
Default：0x06 (6 count)
14 Moving average number UInt8 Unit：1 count
Range：1 to 8 count
Default：0x01 (1 count)

2.2.3 Relative humidity (Characteristics UUID: 0x3014)

Humidity sensor related event settings．

　
Table 18. Relative Humidity format
Byte Field Format Contents
0 Event Enable/Disable UInt8 Bit 7-6 : RFU
Bit 5 : Simple threshold [lower limit]
Bit 4 : Simple threshold [upper limit]
Bit 3 : Changing trend [decline/term]
Bit 2 : Changing trend [rise/term]
Bit 1 : Changing trend [decline/previous]
Bit 0 : Changing trend [rise/previous]
Enable: 1, Disable: 0
Default：0x00
1 Changing trend threshold [rise/previous] L SInt16 Unit：0.01 %RH
Range：0.01 to 50.00 %RH
Default：0x01F4 (5.00 %RH)
2 H
3 Changing trend threshold [decline/previous] L
4 H
5 Changing trend threshold [rise/term] L
6 H
7 Changing trend threshold [decline/term] L
8 H
9 Simple threshold [upper limit] L SInt16 Unit：0.01 %RH
Range：0.00 to 100.00 %RH
Default：0x1F40 (80.00 %RH)
10 H
11 Simple threshold [lower limit] L Unit：0.01 %RH
Range：0.00 to 100.00 %RH
Default：0x0DAC (35.00 %RH)
12 H
13 Term for changing trend (Number of Measurements) UInt8 Unit：1 count
Range：1 to 8 count
Default：0x06 (6 count)
14 Moving average number UInt8 Unit：1 count
Range：1 to 8 count
Default：0x01 (1 count)

2.2.4 Ambient light (Characteristics UUID: 0x3015)

Light sensor related event settings．

　
Table 19. Ambient Light format
Byte Field Format Contents
0 Event Enable/Disable UInt8 Bit 7-6 : RFU
Bit 5 : Simple threshold [lower limit]
Bit 4 : Simple threshold [upper limit]
Bit 3 : Changing trend [decline/term]
Bit 2 : Changing trend [rise/term]
Bit 1 : Changing trend [decline/previous]
Bit 0 : Changing trend [rise/previous]
Enable: 1, Disable: 0
Default：0x00
1 Changing trend threshold [rise/previous] L SInt16 Unit：1 lx
Range：1 to 2000 lx
Default：0x00C8 (200 lx)
2 H
3 Changing trend threshold [decline/previous] L
4 H
5 Changing trend threshold [rise/term] L
6 H
7 Changing trend threshold [decline/term] L
8 H
9 Simple threshold [upper limit] L SInt16 Unit：1 lx
Range：10 to 10000 lx
Default：0x07D0 (2000 lx)
10 H
11 Simple threshold [lower limit] L Unit：1 lx
Range：10 to 10000 lx
Default：0x00A (10 lx)
12 H
13 Term for changing trend (Number of Measurements) UInt8 Unit：1 count
Range：1 to 8 count
Default：0x06 (6 count)
14 Moving average number UInt8 Unit：1 count
Range：1 to 8 count
Default：0x01 (1 count)

2.2.5 UV Index (Characteristics UUID: 0x3016)

UV sensor related event settings．

　
Table 20. UV Index format
Byte Field Format Contents
0 Event Enable/Disable UInt8 Bit 7-6 : RFU
Bit 5 : Simple threshold [lower limit]
Bit 4 : Simple threshold [upper limit]
Bit 3 : Changing trend [decline/term]
Bit 2 : Changing trend [rise/term]
Bit 1 : Changing trend [decline/previous]
Bit 0 : Changing trend [rise/previous]
Enable: 1, Disable: 0
Default：0x00
1 Changing trend threshold [rise/previous] L SInt16 Unit：0.01
Range：Index 0.00 to 11.00
Default：0x012C　(3.00)
2 H
3 Changing trend threshold [decline/previous] L
4 H
5 Changing trend threshold [rise/term] L
6 H
7 Changing trend threshold [decline/term] L
8 H
9 Simple threshold [upper limit] L SInt16 Unit：0.01
Range：Index 0.00 to 11.00
Default：0x0258 (6.00)
10 H
11 Simple threshold [lower limit] L Unit：0.01
Range：Index 0.00 to 11.00
Default：0x0000 (0.00)
12 H
13 Term for changing trend (Number of Measurements) UInt8 Unit：1 count
Range：1 to 8 count
Default：0x06 (6 count)
14 Moving average number UInt8 Unit：1 count
Range：1 to 8 count
Default：0x01 (1 count)

2.2.6 Pressure (Characteristics UUID: 0x3017)

Barometric Pressure sensor related event settings．

　
Table 21. Pressure format
Byte Field Format Contents
0 Event Enable/Disable UInt8 Bit 7-6 : RFU
Bit 5 : Simple threshold [lower limit]
Bit 4 : Simple threshold [upper limit]
Bit 3 : Changing trend [decline/term]
Bit 2 : Changing trend [rise/term]
Bit 1 : Changing trend [decline/previous]
Bit 0 : Changing trend [rise/previous]
Enable: 1, Disable: 0
Default：0x00
1 Changing trend threshold [rise/previous] L SInt16 Unit：0.1 hPa
Range：0.1 to 200.0 hPa
Default：0x0032 (5.0 hPa)
2 H
3 Changing trend threshold [decline/previous] L SInt16
4 H
5 Changing trend threshold [rise/term] L SInt16
6 H
7 Changing trend threshold [decline/term] L SInt16
8 H
9 Simple threshold [upper limit] L SInt16 Unit：0.1 hPa
Range：700.0 to 1100.0 hPa
Default：0x2AF8 (1100.0 hPa)
10 H
11 Simple threshold [lower limit] L SInt16 Unit：0.1 hPa
Range：700.0 to 1100.0 hPa
Default：0x1B58 (700.0 hPa)
12 H
13 Term for changing trend (Number of Measurements) UInt8 Unit：1 count
Range：1 to 8 count
Default：0x06 (6 count)
14 Moving average number UInt8 Unit：1 count
Range：1 to 8 count
Default：0x01 (1 count)

2.2.7 Sound Noise (Characteristics UUID: 0x3018)

Microphone related event settings．

　
Table 22. Sound Noise format
Byte Field Format Contents
0 Event Enable/Disable UInt8 Bit 7-6 : RFU
Bit 5 : Simple threshold [lower limit]
Bit 4 : Simple threshold [upper limit]
Bit 3 : Changing trend [decline/term]
Bit 2 : Changing trend [rise/term]
Bit 1 : Changing trend [decline/previous]
Bit 0 : Changing trend [rise/previous]
Enable: 1, Disable: 0
Default：0x00
1 Changing trend threshold [rise/previous] L SInt16 Unit：0.01 dB
Range：0.01 to 50.00 dB
Default：0x07D0 (20.00 dB)
2 H
3 Changing trend threshold [decline/previous] L SInt16
4 H
5 Changing trend threshold [rise/term] L SInt16
6 H
7 Changing trend threshold [decline/term] L SInt16
8 H
9 Simple threshold [upper limit] L SInt16 Unit：0.01 dB
Range：40.00 to 85.00 dB
Default：0x1B58 dB (70.00)
10 H
11 Simple threshold [lower limit] L SInt16 Unit：0.01 dB
Range：40.00 to 85.00 dB
Default：0x0FA0 (40.00 dB)
12 H
13 Term for changing trend (Number of Measurements) UInt8 Unit：1 count
Range：1 to 8 count
Default：0x06 (6 count)
14 Moving average number UInt8 Unit：1 count
Range：1 to 8 count
Default：0x01 (1 count)

2.2.8 Discomfort index (Characteristics UUID: 0x3019)

Discomfort Index related event settings．

　
Table 23. Discomfort index format
Byte Field Format Contents
0 Event Enable/Disable UInt8 Bit 7-6 : RFU
Bit 5 : Simple threshold [lower limit]
Bit 4 : Simple threshold [upper limit]
Bit 3 : Changing trend [decline/term]
Bit 2 : Changing trend [rise/term]
Bit 1 : Changing trend [decline/previous]
Bit 0 : Changing trend [rise/previous]
Enable: 1, Disable: 0
Default：0x00
1 Changing trend threshold [rise/previous] L SInt16 Unit：0.01
Range：0.01 to 50.00
Default：0x03E8 (10.00)
2 H
3 Changing trend threshold [decline/previous] L SInt16
4 H
5 Changing trend threshold [rise/term] L SInt16
6 H
7 Changing trend threshold [decline/term] L SInt16
8 H
9 Simple threshold [upper limit] L SInt16 Unit：0.01
Range：55.00 to 85.00
Default：0x1F40 (80.00)
10 H
11 Simple threshold [lower limit] L SInt16 Unit：0.01
Range：55.00 to 85.00
Default：0x157C (55.00)
12 H
13 Term for changing trend (Number of Measurements) UInt8 Unit：1 count
Range：1 to 8 count
Default：0x06 (6 count)
14 Moving average number UInt8 Unit：1 count
Range：1 to 8 count
Default：0x01 (1 count)

2.2.9 Heat stroke (Characteristics UUID: 0x301A)

Heatstroke risk factor related event settings．

　
Table 24. Heat stroke format
Byte Field Format Contents
0 Event Enable/Disable UInt8 Bit 7-6 : RFU
Bit 5 : Simple threshold [lower limit]
Bit 4 : Simple threshold [upper limit]
Bit 3 : Changing trend [decline/term]
Bit 2 : Changing trend [rise/term]
Bit 1 : Changing trend [decline/previous]
Bit 0 : Changing trend [rise/previous]
Enable: 1, Disable: 0
Default：0x00
1 Changing trend threshold [rise/previous] L SInt16 Unit：0.01 degC
Range：0.01 to 30.00 degC
Default：0x012C (3.00 degC)
2 H
3 Changing trend threshold [decline/previous] L SInt16
4 H
5 Changing trend threshold [rise/term] L SInt16
6 H
7 Changing trend threshold [decline/term] L SInt16
8 H
9 Simple threshold [upper limit] L SInt16 Unit：0.01 degC
Range：25 to 40 degC
Default：0x0AF0 (28.00 degC)
10 H
11 Simple threshold [lower limit] L SInt16 Unit：0.01 degC
Range：25 to 40 degC
Default：0x09C4 (25.00 degC)
12 H
13 Term for changing trend (Number of Measurements) UInt8 Unit：1 count
Range：1 to 8 count
Default：0x06 (6 count)
14 Moving average number UInt8 Unit：1 count
Range：1 to 8 count
Default：0x01 (1 count)

2.3. Control Service (Service UUID: 0x3030)

Read and Write device control parameters.

　
Table 25. List of Characteristics in Control Service
Characteristics UUID Characteristics Properties Byte
R W N I
0x3031 Time information ✔ ✔ 　 　 4
0x3032 LED on duration 　 ✔ 　 　 1
0x3033 Error status ✔ ✔     4
0x3034 Trigger 　 ✔ 　 　 2

2.3.1 Time information (Characteristics UUID: 0x3031)

Set UNIX TIME from the Central device for time adjustment of the recording data in the flash memory. Time information based on this setting is recorded for each page of the flash memory.

　
* Note: Memory recording of measured data is not started unless time set to this Characteristic.
Table 26. Time information format
Byte Field Format Contents
0 UNIX TIME 0 UInt32 Unit：1 sec
Range：1970/1/1 0:00:01 to 2106/2/7 6:28:15
1 1
2 2
3 3

2.3.2 LED on duration (Characteristics UUID: 0x3032)

With this setting, embedded LED lights for the specified time period. It can be used for identifying the sensor which is currently connected, such as when there are a plurality of sensors.

　
Table 27. LED on duration format
Byte Field Format Contents
0 LED on duration UInt8 Unit：1 sec
Range：1 to 10 sec

2.3.3 Error status (Characteristics UUID: 0x3033)

Various error conditions of the sensor are indicated by a bit field. The error state can be reset by writing 0 from the Central device.

　
* Just reading this characteristic does not reset the state.
Table 28. Error status format
Byte Field Format Contents
0 Sensor Status UInt8 Bit 7：RFU
Bit 6：Error: Accelerometer*
Bit 5：Error: Microphone
Bit 4：Error: Barometric Pressure sensor
Bit 3：Error: UV sensor
Bit 2：Error: Light sensor
Bit 1：Error: Humidity sensor
Bit 0：Error: Temperature sensor
*valid only with built-in Accelerometer type
1 CPU Status UInt8 Bit 7-2：RFU
Bit 1：Boot default setting
Bit 0：Flash memory verify error
2 Battery Status UInt8 Bit 7-2：RFU
Bit 1：Error in reading battery voltage
Bit 0：Battery Low
3 RFU UInt8 Bit 7-0：RFU

2.3.4 Trigger (Characteristics UUID: 0x3034)

After setting 0x01 for DFU Service, subsequent Service Discovery operation can discover hidden DFU Service.

　
Table 29. Trigger format
Byte Field Format Contents
0 RFU UInt8 0x00：None (Always set to 0x00)
1 DFU Service Enable / Disable UInt8 0x00：Disable
0x01：Enable

2.4. Parameter Service (Service UUID: 0x3040)

Read and Write the settings on Bluetooth communication parameters．

　
Table 30. List of Characteristics in BLE Parameter Service
Characteristics UUID Characteristics Contents Properties Byte
R W N I
0x3041 UUIDs UUID, Major, Minor ✔ ✔ 　 　 20
0x3042 ADV setting Advertise setting ✔ ✔ 　 　 10

2.4.1 UUIDs (Characteristics UUID: 0x3041)

Specify UUID to be sent in Beacon Mode = Beacon(Advertise Format (A))．

　
Table 31. UUIDs format
Byte Field Format Contents
0 UUID Uint128 Default： 0C4C3000-7700-46F4-AA96D5E974E32A54
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 Major L UInt16 Default：0x0000
*Not used
17 H
18 Minor L UInt16 Default：0x0000
*Not used
19 H

2.4.2 ADV setting (Characteristics UUID: 0x3042)

Set various Advertisement related parameters. Time Information is cleared to zero (0) when Beacon Mode is changed, so Time Information must be set to start data recording again.

　
* After changing the settings of this characteristic, it is necessary to make power cycle by removing and inserting battery.
* It makes difficult to establish a connection with the central device in a very short “Transmission period in Limited Broadcaster” setting.
Table 32. ADV setting format
Byte Field Format Contents
0 ADV_IND Advertise interval L UInt16 Advertise interval
Unit：0.625ms
Range：0x0320(500ms) to 0x4000(10.24s)
Default：0x0808 (1285ms)
1 H
2 ADV_NONCON_IND Advertise interval L UInt16 Unit：0.625ms
Range：0x00A0(100ms) to 0x4000(10.24s)
Default：0x00A0 (100ms)
*Not used
3 H
4 Transmission period  in Limited Broadcaster L UInt16 Set transmission period per cycle when Beacon Mode 0x03, 0x05 Limited Broadcaster
Unit：1 sec
Range：0x0001(1s) to 0x3FFF(16383s)
Default：0x000A (10s)
5 H
6 Silent period in Limited Broadcaster L UInt16 Set silent period per cycle when Beacon Mode 0x03, 0x05 Limited Broadcaster
Unit：1 sec
Range：0x0001(1s) to 0x3FFF(16383s)
Default：0x0032 (50s)
7 H
8 Beacon Mode UInt8 Range：0x00(0) to 0x0A(10)
Default：0x08 (8)
*Refer to Table 33. Beacon Mode for details
9 Tx Power SInt8 Unit：dBm
Range：-20, -16, -12, -8, -4, 0, 4 dBm
Default：0x00 (0 dBm)
Table 33. Beacon Mode
Beacon Mode Name Shortened Device Name Device Name Adv. Format
Normal condition Event detected
0x00 Event Beacon (SCAN RSP) Env EnvSensor-BL01 (B) (A)/(B) Alternate
0x01 Standard Beacon Env EnvSensor-BL01 (B)  
0x02 General Broadcaster 1 IM IM-BL01 (D)  
0x03 Limited Broadcaster 1 IM IM-BL01 (D)  
0x04 General Broadcaster 2 EP EP-BL01 (E)  
0x05 Limited Broadcaster 2 EP EP-BL01 (E)  
0x07 Alternate Beacon Env EnvSensor-BL01 (A)/(B) Alternate  
0x08 Event Beacon (ADV) Env EnvSensor-BL01 (C) (A)/(C) Alternate
* (A to E): refer to 3. Advertise Format for more details

2.5. DFU Service (Service UUID: 0x3050)

Perform Firmware update via BLE communication．

　
Table 34. List of Characteristic in DFU Service
Attribute UUID Characteristics Properties Byte
R W N I
0x3051 DFU Control Point   ✔ ✔   -
0x3052 DFU Packet   ✔*     -
0x3053 DFU Revision ✔       2
* "W" in DFU Packet means Write Without Response.

2.6. Generic Access Service (Service UUID: 0x1800)

Table 35. List of Characteristics in Generic Access Service
Attribute UUID Characteristics Contents Properties Byte
R W N I
0x2A00 Device Name Name ✔       14
0x2A01 Appearance Category ✔       2
0x2A04 Peripheral Preferred Connection Parameters Minimum connection interval ✔       2
Maximum connection interval ✔       2
Slave latency ✔       2
Connection supervision timeout multiplier ✔       2

2.6.1 Device Name (Characteristics UUID: 0x2A00)

Table 36. Device Name format
Byte Field Format Contents
0 Device Name Utf8s “E” 0x45
1 “n” 0x6E
2 “v” 0x76
3 “S” 0x53
4 “e” 0x65
5 “n” 0x6E
6 “s” 0x73
7 “o” 0x6F
8 “r” 0x72
9 "-" 0x2D
10 "B" 0x42
11 "L" 0x4C
12 "0" 0x30
13 "1" 0x31

* When in Beacon Mode 0x02, 0x03: IM-BL01 (7 Byte)

* When in Beacon Mode 0x04, 0x05: EP-BL01 (7 Byte)


2.6.2 Appearance (Characteristics UUID: 0x2A01)

Table 37. Appearance format
Byte Field Format Contents
0 Category L 16bit 0 : Unknown
1 H

2.6.3 Peripheral Preferred Connection Parameters (Characteristics UUID: 0x2A04)

Connection parameter update is performed 5 seconds after Connection, and thereafter 3 times with 30 seconds interval.

Table 38. Peripheral Preferred Connection Parameters format
Byte Field Format Contents
0 Minimum connection interval 16bit Unit：1.25ms
Value：0x0014(25ms)
1
2 Maximum connection interval 16bit Unit：1.25ms
Value：0x0028(50ms)
3
4 Slave Latency 16bit Value：0x0004 (4)
5
6 Connection Supervision Timeout Multiplier 16bit Unit：10ms
Value：0x0190 (4s)
7

2.7. Device Information Service (Service UUID: 0x180A)

Table 39. List of Characteristics in Device Information Service
Attribute UUID Characteristics Properties Byte
R W N I
0x2A24 Model Number String ✔       10
0x2A25 Serial Number String ✔       10
0x2A26 Firmware Revision String ✔       5
0x2A27 Hardware Revision String ✔       5
0x2A29 Manufacturer Name String ✔       5

2.7.1 Model Number String (Characteristics UUID: 0x2A24)

Table 40. Model Number String format
Byte Field Format Contents
0 Model Number Utf8s "2" 0x32
1 "J" 0x4A
2 "C" 0x43
3 "I" 0x49
4 "E" 0x45
5 "-" 0x2D
6 "B" 0x42
7 "L" 0x4C
8 "0" 0x30
9 "1" 0x31

2.7.2 Serial Number String (Characteristics UUID: 0x2A25)

Table 41. Serial Number String format
Byte Field Format Contents
0 Serial Number Utf8s "0" to "3" 0x30 to 0x33
1 "0" to "9" 0x30 to 0x39
2 "0" to "9", "X", "Y", "Z" 0x30 to 0x39, 0x58, 0x59, 0x5A
3 "0" to "9" 0x30 to 0x39
4 “M” 0x4D
5 "Y" 0x59
6 "0" to "9" 0x30 to 0x39
7 "0" to "9" 0x30 to 0x39
8 "0" to "9" 0x30 to 0x39
9 "0" to "9" 0x30 to 0x39

2.7.3 Firmware Revision String (Characteristics UUID: 0x2A26)

Table 42. Firmware Revision String format
Byte Field Format Contents
0 Firmware Revision Utf8s "0" to "9" 0x30 to 0x39
1 "0" to "9" 0x30 to 0x39
2 "." 0x2E
3 "0" to "9" 0x30 to 0x39
4 "0" to "9" 0x30 to 0x39

2.7.4 Hardware Revision String (Characteristics UUID: 0x2A27)

Table 43. Hardware Revision String format
Byte Field Format Contents
0 Hardware Revision Utf8s "0" to "9" 0x30 to 0x39
1 "0" to "9" 0x30 to 0x39
2 "." 0x2E
3 "0" to "9" 0x30 to 0x39
4 "0" to "9" 0x30 to 0x39

2.7.5 Manufacturer Name String (Characteristics UUID: 0x2A29)

Table 44. Manufacturer Name String format
Byte Field Format Contents
0 Manufacturer Name Utf8s "O" 0x4F
1 "M" 0x4D
2 "R" 0x52
3 "O" 0x4F
4 "N" 0x4E

3. Advertise format

The following Advertise format can be selected by Beacon Mode in ADV Setting.

(A) Beacon

iBeacon equivalent format. Major = Latest Page number, Minor = Row number．

(B) Connection Advertise 1

This format contains Flag and Local Name. The latest sensor data, Latest page information, and event flag are included in SCAN_RSP Payload after receiving ADV_IND.

(C) Connection Advertise 2

This format contains Flag, Local Name, Latest page information, and event flag. There is no SCAN_RSP and sensor data is not included.

(D) Sensor ADV 1

This format contains the latest sensor data including Flag, Local Name, and acceleration information (with built-in Accelerometer type only).

(E) Sensor ADV 2

This format contains Flag, Local Name, and latest sensor data.

* The Battery Voltage (Battery voltage) in Advertise Format shall be expressed as follows.

Battery Voltage = ((Acquired value + 100) x 10) mV

* Event flag (sensor name + Evt) in Advertise Format conforms to the bit field of 2.1.6 Event flag.


3.1. (A) Beacon

Table 45. (A) Beacon format

(A) Beacon format

3.2. (B) Connection Advertise 1

3.2.1 Advertise (ADV_IND)

Table 46. (B) Connection Advertise 1 - Advertise (ADV_IND) format

(B) Connection Advertise 1 - Advertise (ADV_IND) format

3.2.2 Scan Response (SCAN_RSP)

Table 47. (B) Connection Advertise 1 - Scan Response (SCAN_RSP) format

(B) Connection Advertise 1 - Scan Response (SCAN_RSP) format

3.3. (C) Connection Advertise 2 (ADV_IND)

Table 48. (C) Connection Advertise 2 (ADV_IND) format

(C) Connection Advertise 2 (ADV_IND) format
* Page information = (UInt16_t)((page << 4) | row)

3.4. (D) Sensor ADV 1 (ADV_IND)

Table 49. (D) Sensor ADV 1 (ADV_IND) format

(D) Sensor ADV 1 (ADV_IND) format
*Acceleration values are valid only with built-in Accelerometer type. Otherwise, these will be zero.

3.5. (E) Sensor ADV 2 (ADV_IND)

Table 50. (E) Sensor ADV 2 (ADV_IND) format

(E) Sensor ADV 2 (ADV_IND) format

Revision history

# Revision Date Changes
1 1.0 12/01/2016 Released
2 1.1 12/02/2016 Added default values in setting parameters.
3 1.2 01/07/2017 Added annotation on Accelerometer
4 1.3 02/03/2017 Corrected a typo
5 1.4 09/12/2017 - Added description on event data in Advertise Format
- Added annotation on Transmission period in Limited Broadcaster
6 1.5 11/09/2017 Corrected a typo in default value of Humidity event threshold
7 1.6 09/03/2018 Removed unused parameter from Trigger characteristic