如何将脉搏血氧计输出解码为可读的
我正在尝试使用 nrf Connect 应用程序解码来自脉搏血氧计设备的数据。
来自脉搏血氧计 (0X1822)。 PLX 抽查测量服务我得到以下回复:
点测量:
(0x) 17-61-00-60-00-E1-07-01-01-01-22-13-20-00-20-00- 00
连续测量: (0x) 0c-62-00-4E-00-20-00-00-00-00
配置文件显示其 SFLOAT 值,但我坚持将其转换为可读值。
预期值:来自上述响应的 Spo2 和心率
我还查看了蓝牙页面中的脉搏血氧计配置文件,但它似乎令人困惑
NRF CONNECT 应用程序屏幕截图:
脉搏血氧计详细信息:http://www.choicemmed.eu/product_center/253
请帮助我获取可读数据
Im trying to decode data from pulse oximeter device using the nrf Connect App.
From the Pulse Oximeter(0X1822). PLX Spot-Check Measurement service I got the below response:
SPOT MEASUREMENT:
(0x) 17-61-00-60-00-E1-07-01-01-01-22-13-20-00-20-00-00
CONTINOUS MEASUREMENT:
(0x) 0c-62-00-4E-00-20-00-00-00-00
PROFILE SAYS its SFLOAT value, But I'm stuck to converting this to readable value.
Expected value: Spo2 and heart rate from the above response
I also looked in the pulse oximeter profile in the Bluetooth page but it seems confusing
NRF CONNECT APP SCREENSHOT:
pulse oximeter details:http://www.choicemmed.eu/product_center/253
Please help me to get readable data
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此页面对我帮助很大:https:/ /thejeshgn.com/2020/08/05/reverse-engineering-a-bluetooth-low-energy-oximeter/
从此点检查值:17-61-00-60-00-E1-07-01-01-01-22-13-20-00-20-00-00
Byte[1] 指 spo2 率
Byte[3] 指脉搏率
血氧饱和度2:97
脉冲率:98
此场景与连续检查值相同:(0x) 0c-62-00-4E-00-20-00-00- 00-00
在 dart 中将十六进制代码值转换为 int
This page helps me lot: https://thejeshgn.com/2020/08/05/reverse-engineering-a-bluetooth-low-energy-oximeter/
From this Spot check value :17-61-00-60-00-E1-07-01-01-01-22-13-20-00-20-00-00
Byte[1] refers to spo2 rate
Byte[3] refers to pulse rate
Spo2:97
pulse rate:98
This scenarios is same for continuous check value:(0x) 0c-62-00-4E-00-20-00-00-00-00
To convert hex code value into int in dart