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  • 28 votes cast
Feb
26
awarded  Notable Question
Feb
3
revised Unit Testing Module-Internal Functions
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Feb
3
answered Unit Testing Module-Internal Functions
Dec
7
accepted Read data from a device through usb port at high frequency
Dec
7
answered Read data from a device through usb port at high frequency
Dec
7
revised Read data from a device through usb port at high frequency
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Dec
7
comment Read data from a device through usb port at high frequency
I added info to the question.
Dec
7
revised Read data from a device through usb port at high frequency
added timestamps of data
Dec
4
comment Read data from a device through usb port at high frequency
from the data communications protocol, the "UART BAUD RATE" can be changed. So I'm guessing the communication channel uses USB-UART. I'm going through the baud rate right now.
Dec
4
comment Best practice for Restful API that perform heavy calculations (Image Processing)
A Restful API that has only one http call is not a restul API. What's the execution time of the processing? Just to get an idea. Does it run in a millisecond? a second? or a minute? Are you using GPUs or fancy hardware?
Dec
4
comment Read data from a device through usb port at high frequency
I'm using usb 2.0. I'm accessing through /dev/ttyACM0. We use a real time library for linux called xenomai, and believe, you can get 500hz granularity.
Dec
4
comment Read data from a device through usb port at high frequency
The CPU usage is very low. I mean I'm hitting a ceiling in the sense that the lowest "efective" sampling interval I get is 6ms. I can ask for 1ms, the IMU will generate the data at 1ms (I can check the timestamps), but it will get in spurs with an efective sampling rate of 6ms anyway.
Dec
4
comment Read data from a device through usb port at high frequency
@TMN 2.0. We could use 3.0 if needed I think.
Dec
4
comment Read data from a device through usb port at high frequency
@KarlBielefeldt The max frequency (given by the manufacturer) is 1000Hz. microstrain.com/inertial/3dm-gx4-25
Dec
4
comment Read data from a device through usb port at high frequency
@DanPichelman No, I cannot do that.
Dec
3
comment Read data from a device through usb port at high frequency
Is the frequency at which a robot needs the data.
Dec
3
asked Read data from a device through usb port at high frequency
Nov
25
awarded  Notable Question
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10
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Aug
17
awarded  Popular Question