mirror of https://github.com/kidoman/embd
68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
/*
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* Copyright (c) Karan Misra 2014
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
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* associated documentation files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge, publish, distribute,
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* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
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* NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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// +build ignore
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package main
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import (
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"fmt"
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"github.com/cfreeman/embd"
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_ "github.com/cfreeman/embd/host/all"
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)
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func main() {
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if err := embd.InitSPI(); err != nil {
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panic(err)
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}
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defer embd.CloseSPI()
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spiBus := embd.NewSPIBus(embd.SPIMode0, 0, 1000000, 8, 0)
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defer spiBus.Close()
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dataBuf := [3]uint8{1, 2, 3}
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if err := spiBus.TransferAndReceiveData(dataBuf[:]); err != nil {
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panic(err)
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}
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fmt.Println("received data is:", dataBuf)
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dataReceived, err := spiBus.ReceiveData(3)
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if err != nil {
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panic(err)
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}
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fmt.Println("received data is:", dataReceived)
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dataByte := byte(1)
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receivedByte, err := spiBus.TransferAndReceiveByte(dataByte)
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if err != nil {
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panic(err)
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}
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fmt.Println("received byte is:", receivedByte)
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receivedByte, err = spiBus.ReceiveByte()
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if err != nil {
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panic(err)
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}
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fmt.Println("received byte is:", receivedByte)
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}
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