Cypress CY8CKIT-062-BLE Manual de usuario

CE217647 - BLE Indoor Positioning with

PSoC6 MCU with BLE Connectivity

www.cypress.com Document No. 002-17647 Rev.** 1

Objective

This Bluetooth Low Energy (BLE) example project demonstrates how to create an indoor navigation system using the BLE

broadcasting mode that can be configured over a GATT connection.

Overview

This example project configures the BLE Pioneer Kit as a time-multiplexed broadcaster and a connectable Indoor Positioning

Service (IPS) server. The GAP role is set to the broadcaster or peripheral and the GATT role set to the server. By default, the

device broadcasts the IPS data and then switches over to Connectable Advertisement mode when a button is pressed. The IPS

data broadcast interval is 100 ms, and the IPS Broadcast mode is indicated by the blue LED on the BLE Pioneer Kit. The

connectable advertisement interval (to configure IPS data over GATT connection) is set to 20-30 ms for 180 seconds and the

BLE device switches over to IPS Broadcast mode on an advertisement timeout or when a button is pressed. The green LED on

the BLE Pioneer Kit indicates the Connectable Advertisement mode and the red LED indicates the connected state.

This example supports all the GATT sub-procedures defined in the IPS specification.

Requirements

Tool:PSoC Creator™ 4.2

Programming Language: C (Arm®GCC 5.4-2016-q2-update)

Associated Parts: All PSoC 6 BLE parts

Related Hardware: CY8CKIT-062-BLE PSoC 6 BLE Pioneer Kit

Hardware Setup

This example uses the kit’s default configuration. See the kit guide to ensure the kit is configured correctly.

1. Connect the BLE Pioneer Kit to the computer’s USB port.

2. Connect the BLE Dongle to one of the USB ports on the computer.

LED Behavior

If the VDDD voltage is set to lesser than 2.7 V in the DWR settings System tab, only the red LED is used. The red LED blinks to

indicate that the device is advertising. The red LED is OFF when a device is connected to a peer device. When the device is in

Hibernate mode, the red LED stays ON.

LED behavior for VDDD voltage greater than 2.7 V is described in the Operation section.

Software Setup

BLE Host Emulation Tool

This example requires the CySmart application. Download and install either the CySmart Host Emulation Tool PC application or

the CySmart app for iOS or Android. You can test behavior with any of the two options, but the CySmart app is simpler. Scan

one of the following QR codes from your mobile phone to download the CySmart app.

BLE Indoor Positioning with PSoC6 MCU with BLE Connectivity

www.cypress.com Document No. 002-17647 Rev.** 2

iOS

Android

Terminal Tool

This example uses a terminal window. You must have terminal software, such as Tera Term or PuTTy.

Operation

You can connect to the IPS Server device with CySmart or any BLE 4.1- or BLE 4.2-compatible device configured in the GAP

Central role and capable of discovering IPS. To connect to the IPS Server, press SW2 on CY8CKIT-062 PSoC 6 BLE Pioneer

Kit to switch to Connectable Advertisement mode. The blue LED indicates that the Connectable Advertisement mode is enabled.

To accept the password displayed on the HyperTerminal, press SW2 on the CY8CKIT-062 PSoC 6 BLE Pioneer Kit or press ‘y’

on the HyperTerminal. Optionally, the example project can use the legacy Security Mode 1 Level 3 (Authenticated pairing with

encryption).

Operation Steps

1. Plug the CY8CKIT-062-BLE kit board into your computer’s USB port.

2. Open a terminal window and perform following configuration: Baud rate –115200, Parity –None, Stop bits –1, Flow control

–XON/XOFF. These settings must match the configuration of the PSoC Creator UART Component in the project.

3. Build the project and program it into the PSoC 6 MCU device. Choose Debug > Program. For more information on device

programming, see PSoC Creator Help. Flash for both CPUs is programmed in a single program operation.

4. Observe the blue LED blinks while the device is advertising, and the output in the terminal window.

5. Do the following to test example, using the CySmart Host Emulation Tool application as Indoor Positioning Service Client:

a. Connect the BLE Dongle to your Windows PC. Wait for the driver installation to complete, if necessary.

b. Right-click the BLE Component and select Launch CySmart to launch the CySmart Host Emulation Tool. Alternatively,

you can navigate to Start >Programs > Cypress and click CySmart.

c. CySmart automatically detects the BLE dongle connected to the PC. Click Refresh if the BLE dongle does not appear

in the Select BLE Dongle Target pop-up window. Click Connect, as shown in Figure 1.

BLE Indoor Positioning with PSoC6 MCU with BLE Connectivity

www.cypress.com Document No. 002-17647 Rev.** 3

Figure 1. CySmart BLE Dongle Selection

Note: If the dongle firmware is outdated, you will be alerted with an appropriate message. You must upgrade the firmware before

you can complete this step. Follow the instructions in the window to update the dongle firmware.

d. Select Configure Master Settings and then click Restore Defaults, as Figure 2 shows. Then click OK.

Figure 2. CySmart Master Settings Configuration

e. Set the Duplicate Filter Policy = Disable duplicate filtering in the Master Configuration > Scan parameters

window. See Figure 3.

BLE Indoor Positioning with PSoC6 MCU with BLE Connectivity

www.cypress.com Document No. 002-17647 Rev.** 4

Figure 3. Master Configuration Scan Parameters

f. Press the reset switch on the Pioneer Kit to start BLE advertisement if no device is connected or device is in Hibernate

mode (red LED is on). Otherwise, skip this step.

g. Observe the simulated Latitude and Longitude values in the HyperTerminal program.

h. On the CySmart Host Emulation Tool, click Start Scan. Your device name (configured as IPS) should appear in the

Discovered devices list, as Figure 4 shows.

Figure 4. CySmart Device Discovery and Connection

BLE Indoor Positioning with PSoC6 MCU with BLE Connectivity

www.cypress.com Document No. 002-17647 Rev.** 5

i. Select the device and observe the advertisement data in the Raw Data and Log windows (Figure 5). Advertisement

data contains values of all Indoor Positioning Service characteristics, defined in Indoor Positioning Service

Specification. The values of Latitude and Longitude are saved in a specific format described in Indoor Positioning

Service Specification. The accordance between these formats is listed in Table 1.

Figure 5. CySmart Window

Table 1. Accordance Between Different Formats of Latitude and Longitude

Latitude

Longitude

49.808800

0x46D6D4A5

24.041500

0x11189F1B

49.808804

0x46D6D509

24.041508

0x11189F7F

49.808808

0x46D6D56D

24.041517

0x11189FE3

49.808813

0x46D6D5D1

24.041525

0x1118A047

49.808817

0x46D6D635

24.041533

0x1118A0AB

49.808821

0x46D6D699

24.041542

0x1118A10F

49.808825

0x46D6D6FD

24.041550

0x1118A173

49.808829

0x46D6D761

24.041559

0x1118A1D7

49.808834

0x46D6D7C5

24.041567

0x1118A23B

49.808838

0x46D6D829

24.041575

0x1118A29F

49.808842

0x46D6D88D

24.041584

0x1118A303

49.808846

0x46D6D8F1

24.041592

0x1118A367

49.808850

0x46D6D955

24.041601

0x1118A3CB

BLE Indoor Positioning with PSoC6 MCU with BLE Connectivity

www.cypress.com Document No. 002-17647 Rev.** 6

Latitude

Longitude

49.808854

0x46D6D9B9

24.041609

0x1118A42F

49.808859

0x46D6DA1D

24.041617

0x1118A493

49.808863

0x46D6DA81

24.041626

0x1118A4F7

49.808867

0x46D6DAE5

24.041634

0x1118A55B

49.808871

0x46D6DB49

24.041642

0x1118A5BF

49.808875

0x46D6DBAD

24.041651

0x1118A623

49.808880

0x46D6DC11

24.041659

0x1118A687

49.808884

0x46D6DC75

24.041668

0x1118A6EB

j. Press SW2 on the BLE Pioneer kit to set Connectable Advertisement mode for the Indoor Positioning Service. The

green LED on the BLE Pioneer kit indicates this mode.

k. On the CySmart Host Emulation Tool, click Stop Scan and click Start Scan. Your device name (IPS) should appear in

the Discovered devices list, as Figure 6 shows. Select the device and click Connect to establish a BLE connection

between the CySmart Host Emulation Tool and your device.

Figure 6. CySmart Device Discovery and Connection

l. Click Pair. Click Yes to a pairing request received from the peer device.

m. Enter the passkey, displayed in the CySmart window, in the terminal window to confirm the Numeric

comparison pairing procedure.

n. Click Discover All Attributes, then click Read All Characteristics in the CySmart application. Observe the

received characteristic values.

Figure 7. CySmart Attribute Discovery and Characteristics Read

o. Change the Floor Number characteristic value to 22 (for example) and click Write Value, then click Read

Value. Observe the changes in CySmart and HyperTerminal. See Figure 8.

q. Change the Indoor Positioning Configuration characteristic value to 51 and click Write Value, then click Read Value.

Observe the result in CySmart and HyperTerminal (Figure 8). Value 51 sets only the Latitude, Longitude, and Floor

Number in the advertisement packet. For details, see Indoor Positioning Service Specification.

BLE Indoor Positioning with PSoC6 MCU with BLE Connectivity

www.cypress.com Document No. 002-17647 Rev.** 7

Figure 8. Value Writing

BLE Indoor Positioning with PSoC6 MCU with BLE Connectivity

www.cypress.com Document No. 002-17647 Rev.** 8

q. Click Disconnect, then click Start Scan to discover available devices.

r. Select IPS from the list of available devices.

s. Observe the charged advertisement packet and data in the Raw Data and Log windows. The packet contains only the

values of Latitude, Longitude, and Floor Number, as set earlier.

If you have problems with using the CySmart Central Emulation Tool, see the CySmart User Guide.

Figure 9. Advertisement Packet

6. The CySmart mobile app (Android/iOS) does not have Indoor Positioning Service implementation, but still can be used in

the GATT Data Base mode for testing this example. You can repeat the test flow for CySmart mobile app mentioned in

step 5. For more details. see the Android and iOS CySmart User Guide.

7. Use the UART debug port to view verbose messages:

a. The code example ships with the UART debug port enabled. To disable it, set the macro DEBUG_UART_ ENABLED in

common.h to DISABLED and rebuild the code.

b. The output of the debug serial port looks like the sample below:

BLE Indoor Positioning Service Code Example

CY_BLE_EVT_STACK_ON, StartAdvertisement

CY_BLE_EVT_SET_DEVICE_ADDR_COMPLETE

CY_BLE_EVT_LE_SET_EVENT_MASK_COMPLETE

CY_BLE_EVT_GET_DEVICE_ADDR_COMPLETE: 00a050000020

CY_BLE_EVT_SET_TX_PWR_COMPLETE

CY_BLE_EVT_GAPP_ADVERTISEMENT_START_STOP, state: 2

Latitude - 49.808804. Longitude - 24.041500

CY_BLE_EVT_GAP_KEYS_GEN_COMPLETE

Latitude - 49.808808. Longitude - 24.041500

Latitude - 49.808813. Longitude - 24.041500

Latitude - 49.808817. Longitude - 24.041500

Latitude - 49.808821. Longitude - 24.041500

BLE Indoor Positioning with PSoC6 MCU with BLE Connectivity

www.cypress.com Document No. 002-17647 Rev.** 9

CY_BLE_EVT_GAPP_ADVERTISEMENT_START_STOP, state: 0

Connectable mode.

CY_BLE_EVT_GAPP_ADVERTISEMENT_START_STOP, state: 2

Latitude - 49.808825. Longitude - 24.041500

Latitude - 49.808829. Longitude - 24.041500

Latitude - 49.808834. Longitude - 24.041500

Latitude - 49.808838. Longitude - 24.041500

CY_BLE_EVT_GATT_CONNECT_IND: 0, 10

CY_BLE_EVT_GAP_DEVICE_CONNECTED: connIntv = 7 ms

CY_BLE_EVT_GATTS_XCNHG_MTU_REQ

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 3

CY_BLE_EVT_GAP_AUTH_REQ: bdHandle=10, security=3, bonding=1, ekeySize=10, err=0

CY_BLE_EVT_GAP_SMP_NEGOTIATED_AUTH_INFO: bdHandle=10, security=2, bonding=1, ekeySize=10, err=0

CY_BLE_EVT_GAP_PASSKEY_ENTRY_REQUEST

Please enter the passkey displayed on the peer device:

Enter 6 digit passkey:

CY_BLE_EVT_STACK_BUSY_STATUS: 1

CY_BLE_EVT_GAP_ENCRYPT_CHANGE: 0

CY_BLE_EVT_STACK_BUSY_STATUS: 0

CY_BLE_EVT_GAP_KEYINFO_EXCHNGE_CMPLT

CY_BLE_EVT_GAP_AUTH_COMPLETE: security:2, bonding:1, ekeySize:10, authErr 0

CY_BLE_EVT_PENDING_FLASH_WRITE

Store bonding data, status: 140001, pending: 1

Store bonding data, status: 0, pending: 0

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 3

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 5

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 7

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: e

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 11

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 15

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 19

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 1d

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 21

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 25

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 29

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 2d

Write characteristic Floor Number. Value - 22 (34). Len - 1.

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: 21

Write characteristic Ind Pos Config. Value - 51 (81). Len - 1.

CY_BLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: e

CY_BLE_EVT_GATT_DISCONNECT_IND: 0, 10

CY_BLE_EVT_GAP_DEVICE_DISCONNECTED: bdHandle=10, reason=13, status=0

CY_BLE_EVT_GAPP_ADVERTISEMENT_START_STOP, state: 2

Latitude - 49.808842. Longitude - 24.041500

Latitude - 49.808846. Longitude - 24.041500

Latitude - 49.808850. Longitude - 24.041500

Latitude - 49.808854. Longitude - 24.041500

Latitude - 49.808859. Longitude - 24.041500

BLE Indoor Positioning with PSoC6 MCU with BLE Connectivity

www.cypress.com Document No. 002-17647 Rev.** 10

Design and Implementation

Figure 10 shows the top design schematic.

Figure 10. BLE Indoor Positioning Code Example Schematic

This project demonstrates the functionality of the BLE Component configured as the IPS Server. It is designed to work with

CySmart.

After startup, the device initializes the BLE Component. To operate, the Component requiresseveral callback functions to receive

events from the BLE Stack. AppCallBack() is used to receive general BLE events. Another callback (IpsCallBack()) is used

to receive events specific to the service’s attribute operations.

The CYBLE_EVT_STACK_ON event indicates successful initialization of the BLE Stack. After this event is received, the Component

starts fast advertising with the packet structure as configured in the BLE Component Customizer.

UART is used to print the debug information and scan the commands from the terminal.

Pin Assignments

Table 2 lists the pin assignments and connections required on the development board for supported kits.

Table 2. Pin Assignment

Pin Name

Development Kit

Comment

CY8CKIT-062

\UART_DEB:rx\

P5[0]

\UART_DEB:tx\

P5[1]

\UART_DEB:rts\

P5[2]

\UART_DEB:cts\

P5[3]

Disconnect_LED

P0[3]

The red color of the RGB LED

Advertising_LED

P1[1]

The green color of the RGB LED

Simulation_LED

P11[1]

The blue color of the RGB LED

SW2

P0[4]

Tabla de contenidos

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