[development tutorial 1] open source Bluetooth heart rate waterproof sports Bracelet - Kit detection tutorial

Crazy shell · Open source Bluetooth heart rate waterproof SPORTS BRACELET
Suite detection tutorial

Content abstract

  This document mainly introduces how to verify that the Bluetooth heart rate waterproof sports Bracelet Kit is normal , Including specific line connections , Experimental phenomenon verification .
  Specifically, it is divided into the following steps .

1、 take Jlink Connect with the bracelet motherboard
  
  Bracelet motherboard Jlink The debugging port is shown in the figure below .

    
chart 1
  Jlink Oral 4 The root line from top to bottom is ：3.3v、GND、SWD and SWC.

  take Jlink Debugging port 4 Root line and Jlink The row pins of are connected one by one .

  Jlink The picture of is shown below , From left to right are SWC、SWD、GND、3.3V and 5V.（Jlink There are also signs on it ）

chart 2

2、 Download test code

  （1） According to the document 《 Development environment construction 》 install SmartSnippets, Create a project .

  （2） open SmartSnippets.

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  Set it up SmartSnippets after , Click on the image above Open.

  （3） Click on Connect, Connect our MCU .

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  （4） Click on Erase, erase Flash.

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（5） Click on Browse, Find our project .hex file .

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（6） Click on Burn, Complete the code download .

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3、 Test the experimental phenomenon

  After downloading the code , Run code , You can see the time displayed on the screen .

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  Under the time display interface , Touch the button , The heart rate will be displayed .

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  Under the heart rate display interface , Touch the button , The step number interface will be displayed .

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  Touch the button again , You will enter the calorie display interface .

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  Open the phone software Wolverine BLE.

  （1） Click on Connect.

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  （2） Choose our Bluetooth device DIALOG-PRFL.

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  We send step, Will get the number of steps .

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  send out cal, Will get calories .

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  send out heart, Will get the heart rate .

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