diff options
Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/io/spi/example_test.go | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/io/spi/example_test.go b/dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/io/spi/example_test.go new file mode 100644 index 0000000..e75ec37 --- /dev/null +++ b/dependencies/pkg/mod/golang.org/x/exp@v0.0.0-20220613132600-b0d781184e0d/io/spi/example_test.go @@ -0,0 +1,38 @@ +// 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) + } +} |