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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package spi_test
import "golang.org/x/exp/io/spi"
// Example illustrates a program that drives an APA-102 LED strip.
func Example() {
dev, err := spi.Open(&spi.Devfs{
Dev: "/dev/spidev0.1",
Mode: spi.Mode3,
MaxSpeed: 500000,
})
if err != nil {
panic(err)
}
defer dev.Close()
if err := dev.Tx([]byte{
0, 0, 0, 0,
0xff, 200, 0, 200,
0xff, 200, 0, 200,
0xe0, 200, 0, 200,
0xff, 200, 0, 200,
0xff, 8, 50, 0,
0xff, 200, 0, 0,
0xff, 0, 0, 0,
0xff, 200, 0, 200,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
}, nil); err != nil {
panic(err)
}
}
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