From f63d174d2e0618ccbd052ff93dbbe85a69e472ce Mon Sep 17 00:00:00 2001
From: deadprogram <ron@hybridgroup.com>
Date: Wed, 19 Apr 2017 13:06:25 +0200
Subject: [PATCH] edison: move read/write functions within file for
 organization purposes

Signed-off-by: deadprogram <ron@hybridgroup.com>
---
 platforms/intel-iot/edison/edison_adaptor.go | 71 ++++++++++----------
 1 file changed, 36 insertions(+), 35 deletions(-)

diff --git a/platforms/intel-iot/edison/edison_adaptor.go b/platforms/intel-iot/edison/edison_adaptor.go
index c6634ec6..df97772f 100644
--- a/platforms/intel-iot/edison/edison_adaptor.go
+++ b/platforms/intel-iot/edison/edison_adaptor.go
@@ -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
+}