embd/samples/apa102.go

46 lines
1.5 KiB
Go

/*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
* associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
* NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
// +build ignore
package main
import (
"fmt"
"github.com/cfreeman/embd"
"github.com/cfreeman/embd/controller/apa102"
_ "github.com/cfreeman/embd/host/all"
)
func main() {
if err := embd.InitSPI(); err != nil {
panic(err)
}
defer embd.CloseSPI()
spiBus := embd.NewSPIBus(embd.SPIMode0, 0, 8000000, 8, 0)
defer spiBus.Close()
strip := apa102.New(spiBus, 5)
err := strip.SetLED(0, 255, 0, 0, 31)
if err != nil {
fmt.Printf("ERROR Unable to set LED.")
fmt.Printf("%s", err)
}
}