**Describe the bug
When using the command:idf.py -p /dev/ttyUSB0 monitor | grep "CSI_DATA" > my-experiment-file.csv ,there is a error:BrokenPipeError: [Errno 32] Broken pipe
**Tool Settings
Baud Rate: [1152000] (using a lower baud rate WILL cause issues. this is the most common issue)
WiFi Channel per Device: [ 6]
FreeRTOS > Tick rate (Hz): [1000]
**Steps to reproduce the behavior:
1.use the code of ESP-CSI TOOL ,cd ./active_ap
2.Recording to the README.md use the commond: idf.py menuconfig
3.idf.py -p /dev/ttyUSB0 flash
4.use the commond :idf.py -p /dev/ttyUSB0 monitor ,then let my phone connect to the AP,it can collect CSI successfully.
5.use the commond:idf.py -p /dev/ttyUSB0 monitor | grep "CSI_DATA" , let my phone connect to the AP, then it printed the error like this :
6.use the commond:idf.py -p /dev/ttyUSB0 monitor | grep "CSI_DATA" > my-experiment-file.csv , let my phone connect to the AP, then it printed the error like this :
Desktop (please complete the following information):
OS: [Ubuntu16.04]
ESP-IDF Version: [4.2.1]
When exporting datas:BrokenPipeError: [Errno 32] Broken pipe #40
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- Posts: 9711
- Joined: Thu Nov 26, 2015 4:08 am
Re: When exporting datas:BrokenPipeError: [Errno 32] Broken pipe #40
The monitor is intended to run interactively, that is, without its output redirected. As a workaround, you can use ctrl-L in a monitor session to copy the output to a log-file, then after you're done, grep that log file for your data.
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