如何测量BLE的功耗

灞波儿奔

如何测量BLE的功耗 [复制链接]

Measuring Bluetooth® Low Energy Power Consumption
By Sandeep Kamath & Joakim Lindh


Table of Contents

KEYWORDS .............................................................................................................................. 1
1 INTRODUCTION ............................................................................................................. 1
2 ABBREVIATIONS ........................................................................................................... 2
3 UNDERSTANDING POWER METRICS IN BLUETOOTH LOW ENERGY ................... 3
4 TEST SETUP .................................................................................................................. 4
4.1 SYSTEM OVERVIEW.................................................................................................... 4
4.2 HARDWARE MODIFICATIONS ....................................................................................... 5
4.3 EMBEDDED SOFTWARE MODIFICATIONS ...................................................................... 6
4.3.1 Remove Periodic Event ..................................................................................................... 6
4.3.2 Configure General-Purpose Input / Output (GPIO) Pins ................................................. 6
4.4 CENTRAL DEVICE AND BTOOL SETUP ......................................................................... 7
5 MEASUREMENT AND ANALYSIS ................................................................................ 8
5.1 CAPTURING A WAVEFORM DURING A CONNECTION EVENT ........................................... 8
5.2 DETERMINING VARIANCE IN THE LENGTH OF CONNECTION EVENTS ............................ 12
5.3 PERFORMING MEASUREMENTS FOR CONNECTION EVENTS ........................................ 12
5.4 PERFORMING MEASUREMENTS OF SLEEP CURRENT .................................................. 14
5.5 FORMULAS AND CALCULATIONS ................................................................................ 17
5.6 USING EXCEL SPREADSHEET FOR CALCULATIONS ..................................................... 18
GENERAL INFORMATION ..................................................................................................... 23
5.7 DOCUMENT HISTORY ............................................................................................... 23

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如何测量BLE的功耗.pdf

alan000345

纯英文的啊，好东西。收下啦。

倾心思梦

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IDKUIKUI

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