mirror of https://github.com/periph/devices
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
900 B
Go
42 lines
900 B
Go
// Copyright 2025 The Periph Authors. All rights reserved.
|
|
// Use of this source code is governed under the Apache License, Version 2.0
|
|
// that can be found in the LICENSE file.
|
|
|
|
package nxp74hc595
|
|
|
|
import (
|
|
"log"
|
|
|
|
"periph.io/x/conn/v3/gpio"
|
|
"periph.io/x/conn/v3/physic"
|
|
"periph.io/x/conn/v3/spi"
|
|
"periph.io/x/conn/v3/spi/spireg"
|
|
"periph.io/x/host/v3"
|
|
)
|
|
|
|
func Example() {
|
|
if _, err := host.Init(); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
// Open the SPI Bus
|
|
pc, err := spireg.Open("")
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
defer pc.Close()
|
|
conn, err := pc.Connect(physic.MegaHertz, spi.Mode1, 8)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
// Create a new 74HC595 device conn that bus.
|
|
dev, err := New(conn)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
// Get a GPIO group, and write values to it.
|
|
gr, _ := dev.Group(0, 1, 2, 3, 4, 5, 6, 7, 8)
|
|
for i := range 256 {
|
|
gr.Out(gpio.GPIOValue(i), 0)
|
|
}
|
|
}
|