Wednesday, 2017-07-12

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olofkHas anyone done some network speed tests on the Turbot?13:03
olofkNeed to hit as close to 1Gbps as possible, but a quick test with netcat just gives me ~480Mbps. Not sure if the bottleneck is the Turbot HW, the sw or the computer on the other sidet of the cable13:05
xkonniolofk: with usb3 wireless between two minnowboard max turbot i get steady 1.7gbps in iperf... so the hw itself should be sufficient.13:41
olofkxkonni: Thanks. That sounds good13:45
olofkJust to be sure I understand... where does the wireless come into the picture? Is this with the ethernet ports, or some wireless adapter you put into the USB3 port?13:46
xkonninah it's just what we do here. those are 802.11ad usb3 devices and we did some benchmarking...13:47
xkonniso there's no ethernet involved, except for ssh'ing to the boards13:47
xkonnibut performance of the mb is capable of (at least) that13:48
olofkah ok. Good to know the CPU and buses can keep up. Still need the USB3 port for reading data from a sensor though, but I guess I can expect full speed through the ethernet as well13:52
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jjvemaHi, I like to use a GPIO as input, but my board not detect the state change, somebody know if this board have some hw or sw restrictions?15:20
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jjvemaI'm using Minnowboard Turbot with latest firmware and Pulsar Linux 7 as SO and MRAA 1.7.x15:21
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Bitweasiljjvema, how are you configuring the GPIO ports?  And are you doing this from the OS or from ring 0 code?16:15
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jjvemaThank you Bitweasil, I made tests with both cases, By code (C languaje) and SO.16:25
jjvemaI use a button to eject the interrupt, and I have test with multi-meter and I can see that PIN receive the voltage16:27
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jjvemaI'm using this examble: https://github.com/intel-iot-devkit/mraa/blob/master/examples/gpio_read6.c16:31
jjvemawith PIN 2516:31
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BitweasilAh.  I haven't used that devkit at all, sorry.  I've done with with GPIOs, but only actually fiddling the hardware bits directly.16:49
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