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