VS-ECG Programming Guide (V1.0)
8.0 VSH101connection with BlueZ library
BlueZ is the linux official bluetooth stack. Most of the health care system is built from a linux platform. VitalSigns provide the source code and sample application (VsAPP) for developers to create his own health care center with Bluz Library
8.1 Prepare your VSH101 device
Before strting, make sure that the VSH101 has been powered on. Just need to press the power button for 5 seconds and release the button. The device will be ready for use and make sure the firmware of your VSH101 is up to date.
8.2 Prepare ubuntu 20.04 platform
This example is based on a linux platform with ubuntu 20.04. Please make sure the following packages are well-installed.
$ sudo apt-get install git
$ sudo apt-get install libgtk-3-dev
$ sudo apt-get install bluez bluetooth libbluetooth-dev
8.3 Prepare a BT5.0 USB adapter
This example is based on a general purpose BT5.0 USB dongle and we used the ASUS USB-BT500 for example. Please plug in the USB adapter to your platform.
Please enter the followin command to check if the ASUS BT500 is well installed.
If the device is well-installed, you shall be able to see the following inforamtion. You can see the Manufacturer to be ‘Realtek semiconductor ‘.
8.4 Download the sample code VsApp from GitHub
Please download the source code with the following git command listed.
$ git clone https://github.com/juangjl/vs-ecg.git
And enter the VsApp folder. It is in the path of ./vs-ecg/VsApp
8.5 make and run the VsAPP project
Please enter the following commands to make the VsApp project
$ make clean
$ make all
https://youtu.be/-tHdcOlh734
After you see the link successful, please enter the following command to run the sample application
$ ./script/start.sh
Please change to the GATT view and click scan start. In this example, we select the VSH101-JL-DBG and in your case, you can select the device you have in hands.
The next step is to run the ECG waveform. Please connect the button open. After the BLE connection is build. Please click the ‘Start’ button to measure the ECG signals.
8.6 Conclusion
Now, you have every thing you need to create a health center in a linux platform with BlueZ stack. All the source code is open and you can find every thing you need from the source code in the git hub listed.