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edison: move read/write functions within file for organization purposes 

Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram 2017-04-19 13:06:25 +02:00
parent 781eacd40a
commit f63d174d2e
1 changed files with 36 additions and 35 deletions
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71
platforms/intel-iot/edison/edison_adaptor.go
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@ -12,36 +12,11 @@ import (
"gobot.io/x/gobot/sysfs"
)
func writeFile(path string, data []byte) (i int, err error) {
file, err := sysfs.OpenFile(path, os.O_WRONLY, 0644)
defer file.Close()
if err != nil {
return
}
return file.Write(data)
}
func readFile(path string) ([]byte, error) {
file, err := sysfs.OpenFile(path, os.O_RDONLY, 0644)
defer file.Close()
if err != nil {
return make([]byte, 0), err
}
buf := make([]byte, 200)
var i int
i, err = file.Read(buf)
if i == 0 {
return buf, err
}
return buf[:i], err
}
type mux struct {
pin int
value int
}
type sysfsPin struct {
pin int
resistor int
@ -64,15 +39,6 @@ type Adaptor struct {
readFile func(path string) ([]byte, error)
}
// changePinMode writes pin mode to current_pinmux file
func changePinMode(a *Adaptor, pin, mode string) (err error) {
_, err = a.writeFile(
"/sys/kernel/debug/gpio_debug/gpio"+pin+"/current_pinmux",
[]byte("mode"+mode),
)
return
}
// NewAdaptor returns a new Edison Adaptor
func NewAdaptor() *Adaptor {
return &Adaptor{
@ -431,3 +397,38 @@ func (e *Adaptor) newDigitalPin(i int, level int) (err error) {
err = io.Unexport()
return
}
func writeFile(path string, data []byte) (i int, err error) {
file, err := sysfs.OpenFile(path, os.O_WRONLY, 0644)
defer file.Close()
if err != nil {
return
}
return file.Write(data)
}
func readFile(path string) ([]byte, error) {
file, err := sysfs.OpenFile(path, os.O_RDONLY, 0644)
defer file.Close()
if err != nil {
return make([]byte, 0), err
}
buf := make([]byte, 200)
var i int
i, err = file.Read(buf)
if i == 0 {
return buf, err
}
return buf[:i], err
}
// changePinMode writes pin mode to current_pinmux file
func changePinMode(a *Adaptor, pin, mode string) (err error) {
_, err = a.writeFile(
"/sys/kernel/debug/gpio_debug/gpio"+pin+"/current_pinmux",
[]byte("mode"+mode),
)
return
}