From b1fc3e45b591142652c992e3f02f8b8235a796df Mon Sep 17 00:00:00 2001
From: kawaii <root@kawaii.home.lost-in-space.net>
Date: Wed, 1 Feb 2017 01:11:44 +0000
Subject: [PATCH] change GPIO_MOTOR1_PIN from GPIO6 to GPIO20

---
 project/motor.c | 33 ++++++++++++++++++++++++++++-----
 1 file changed, 28 insertions(+), 5 deletions(-)

diff --git a/project/motor.c b/project/motor.c
index f5c05f8..4b15e8f 100755
--- a/project/motor.c
+++ b/project/motor.c
@@ -2,17 +2,18 @@
 #include<fcntl.h>
 #include<string.h>
 #include<unistd.h>
+#include<string.h>
 
 #define BASEPATH "/sys/class/gpio/"
 #define GPIO_FOLDER "gpio%s/"
 
-#define PIN_MOTOR1_FORWARD "6"
+#define PIN_MOTOR1_FORWARD "20"
 #define PIN_MOTOR1_REVERSE "13"
 #define PIN_MOTOR2_FORWARD "19"
 #define PIN_MOTOR2_REVERSE "26"
 
-#define MOTOR_ON 0
-#define MOTOR_OFF 1
+#define MOTOR_ON 1
+#define MOTOR_OFF 0
 
 void writeFile(char *filename, char *buffer, size_t count)
 {
@@ -90,13 +91,35 @@ void reverse(int motorNumber)
 	}
 }
 
-int main()
+int main(int argc, char* argv[])
 {
 	registerOutput(PIN_MOTOR1_FORWARD);
 	registerOutput(PIN_MOTOR1_REVERSE);
 	registerOutput(PIN_MOTOR2_FORWARD);
 	registerOutput(PIN_MOTOR2_REVERSE);
-	forward(2);
+	if(strcmp(argv[1],"1")==0)
+	{
+		forward(1);
+	} 
+	else if(strcmp(argv[1],"2")==0)
+	{
+		forward(2);
+	} 
+	else if(strcmp(argv[1],"3")==0)
+	{
+		reverse(1);
+	} 
+	else if(strcmp(argv[1],"4")==0)
+	{
+		reverse(2);
+	} 
+	else if(strcmp(argv[1],"0")==0)
+	{
+		freePin(PIN_MOTOR1_FORWARD);
+		freePin(PIN_MOTOR1_REVERSE);
+		freePin(PIN_MOTOR2_FORWARD);
+		freePin(PIN_MOTOR2_REVERSE);
+	}
 	
 	return 0;
 }