From 1616dd670b0a793bf89a0505a7e4b5f749133705 Mon Sep 17 00:00:00 2001
From: Siegfried Kienzle <siegfried.kienzle@gmx.de>
Date: Tue, 25 Apr 2017 07:33:04 +0200
Subject: [PATCH] outsourcing of gpio-code

---
 project/motor.c | 45 +++------------------------------------------
 1 file changed, 3 insertions(+), 42 deletions(-)

diff --git a/project/motor.c b/project/motor.c
index 4b15e8f..43f2701 100755
--- a/project/motor.c
+++ b/project/motor.c
@@ -3,9 +3,10 @@
 #include<string.h>
 #include<unistd.h>
 #include<string.h>
+#include "gpio.h"
+
+
 
-#define BASEPATH "/sys/class/gpio/"
-#define GPIO_FOLDER "gpio%s/"
 
 #define PIN_MOTOR1_FORWARD "20"
 #define PIN_MOTOR1_REVERSE "13"
@@ -15,47 +16,7 @@
 #define MOTOR_ON 1
 #define MOTOR_OFF 0
 
-void writeFile(char *filename, char *buffer, size_t count)
-{
-	int fd = open(filename, O_WRONLY);
-	if(fd == -1) {
-		perror("Fehler bei open ");
-	}
-	write(fd, buffer, count);
-	close(fd);
-}
 
-void registerPin(char *pin)
-{
-	writeFile(BASEPATH "export", pin, strlen(pin));
-}
-
-void freePin(char *pin)
-{
-	writeFile(BASEPATH "unexport", pin, strlen(pin));
-}
-
-void setDirection(char *pin, char *direction, int dirlen)
-{
-	char path[50];
-	sprintf(path, BASEPATH GPIO_FOLDER "direction", pin);
-	writeFile(path, direction, dirlen);
-}
-
-void registerOutput(char *pin)
-{
-	registerPin(pin);
-	setDirection(pin, "out", 3);
-}
-
-void writeOutput(char *pin, int state)
-{
-	char path[50];
-	sprintf(path, BASEPATH GPIO_FOLDER "value", pin);
-	FILE *fd = fopen(path, "w");
-	fprintf(fd, "%i", state);
-	fclose(fd);
-}
 
 void forward(int motorNumber)
 {