mirror of https://github.com/kidoman/embd
44 lines
556 B
Go
44 lines
556 B
Go
// Package i2c enables gophers i2c speaking ability.
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package i2c
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import (
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"sync"
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"github.com/kidoman/embd/i2c"
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)
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type I2C struct {
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busMap map[byte]*bus
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busMapLock sync.Mutex
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}
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func New() *I2C {
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return &I2C{
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busMap: make(map[byte]*bus),
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}
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}
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func (i *I2C) Bus(l byte) i2c.Bus {
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i.busMapLock.Lock()
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defer i.busMapLock.Unlock()
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var b *bus
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if b = i.busMap[l]; b == nil {
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b = &bus{l: l}
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i.busMap[l] = b
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}
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return b
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}
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func (i *I2C) Close() error {
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for _, b := range i.busMap {
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b.Close()
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delete(i.busMap, b.l)
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}
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return nil
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}
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