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- ["驱动" 控制硬件必须学会的底层知识](https://zhuanlan.zhihu.com/p/519967868)
- [minimalistic-linux-system-on-qemu-arm](https://lukaszgemborowski.github.io/articles/minimalistic-linux-system-on-qemu-arm.html)
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Hello,
I made everything like you said. I installed it and then I put this commands:
make GPIO21=1
echo "performance"| sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
then I played …
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## Platform
I’m using:
- gokrazy/rpi4b
This is more a question than a issue but I think it might be cool to update the docs with this information.
I am using gokrazy on a pi4b and that is work…
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It seems Swift for the RPi has performance issues. The following program is a good example.
```swift
// Swift 5.1.2 - 1mil3.swift
var s = ""
var t = ""
var a = [Int]()
for x in 1...1000000…
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im having this weird issue when trying to execute on a device, im using a raspberry pi zero 2w:
Known devices:
1: Device Name: Hyena's S21 Ultra, Address: XX:XX:XX:XX:XX:XX
Do you want to use o…
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To keep disk performance in goog condition TRIM setting should be used on external (1TB) disk and UAS drive would improve preformance.
eg. USB3.0 SATA M.2 enclosure needs separate TRIM configuratio…
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I am trying to capture CSI in the 20MHz bandwidth on the Raspberry Pi 4B, and configuring like so:
`mcp -C 1 -N 1 -c 8/20` (also tried channel 2)
And the rest according to the guide, but when I list…
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**Describe the bug or issue**
All popup dialogs constantly flash and flicker, kiosk mode browser never even renders, just flashes white and black then back to "Preparing app profile...", and text eve…
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I apologize in advance for this not being a bug and possibly not even anything to do with this software, but I haven't found anything relevant to the error message online and thought I might appeal to…
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## Platform
I’m using:
* gokrazy/rpi3b
* gokrazy/rpi3b+
* gokrazy/rpi4b
* ... and also gokrazy/rpi400
## Observed behavior
The Raspberry Pi 400 seems to mostly work. Everything except w…