maruel

import "fmt"

func main() {
    fmt.Printf("Hello World..\n");
}

maruel

// next returns the next paths that can be used to make progress.
// Look at top, left, right, down, skipping 'from' and returns all the possibilities.
func (c *Canvas) next(at, from image.Point) []image.Point {
}

maruel

#### IDLE


## Tree: Orange stars
{
  "C": "#ff9000",
  "_type": "NightStars"
}

maruel

{ 
  "Curve": "ease-out",
  "Patterns": [
    {
      "Child": {
        "Frame": "L00001f1f1f1f",
        "_type": "Repeated"
      },
      "MovePerHour": 21600,
      "_type": "Rotate"

maruel

- Create the two files enable_spi.service and enable_spi.timer in /etc/systemd/system/
- Run the following:

sudo systemctl daemon-reload
sudo systemctl enable enable_spi.timer
sudo systemctl start enable_spi

/dev/spidev32766.0 should now be visible.

maruel

maruel@periph-io /var/lib/docker/web/periph.io/www $ stat -c "%6s %n" $(find ./ -type f -name "*.html*" | sort)
    69 ./apps/examples/index.html
    55 ./apps/examples/index.html.br
    85 ./apps/examples/index.html.gz
    78 ./apps/index.html
    59 ./apps/index.html.br
    92 ./apps/index.html.gz
 23291 ./device/apa102/index.html
  5622 ./device/apa102/index.html.br
  6559 ./device/apa102/index.html.gz

maruel

package main

import (
  "log"
  "os"
  "os/signal"
  "time"

  "periph.io/x/periph"
  "periph.io/x/periph/conn/gpio"

maruel

$ go test -bench=.
goos: linux
goarch: amd64
pkg: foo
BenchmarkAnonymousFunction-32           2000000000               0.86 ns/op
BenchmarkClosure-32                     1000000000               2.26 ns/op
BenchmarkNormalFunction-32              2000000000               0.78 ns/op
BenchmarkNormalFunctionNotInline-32     500000000                2.34 ns/op
BenchmarkReturnedFunction-32            1000000000               2.36 ns/op
PASS

maruel

$ go test -bench=m.
goos: linux
goarch: arm
BenchmarkAnonymousFunction-4          	100000000	        10.0 ns/op
BenchmarkClosure-4                    	100000000	        15.3 ns/op
BenchmarkNormalFunction-4             	100000000	        10.0 ns/op
BenchmarkNormalFunctionNotInline-4    	30000000	        51.9 ns/op
BenchmarkReturnedFunction-4           	30000000	        57.6 ns/op
BenchmarkReturnedFunctionRepeated-4   	20000000	        78.5 ns/op
PASS

maruel

$ go install ./periph-info ./headers-list && headers-list && periph-info
I2C: 4 pins
  Pos  Name       Func
  1    GROUND     
  2    V3_3       
  3    GPIO12     In/Low
  4    GPIO13     In/Low

J1: 6 pins
  Pos  Name       Func