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@ -8,7 +8,7 @@ int main (int argc, char *argv[]){
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fd = open("/sys/class/gpio/chip0/export", O_WRONLY);
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fd = open("/sys/class/gpio/chip0/export", O_WRONLY);
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if(fd<0)
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if(fd<0)
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{
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{
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perror("Error openng the GPIO path");
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perror("Error openng the GPIO export path");
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return -1;
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return -1;
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}
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}
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write(fd, "17",2);
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write(fd, "17",2);
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@ -17,7 +17,7 @@ int main (int argc, char *argv[]){
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fd = open("/sys/class/gpio/chip0/gpio17/direction", O_WRONLY);
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fd = open("/sys/class/gpio/chip0/gpio17/direction", O_WRONLY);
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if(fd<0)
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if(fd<0)
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{
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{
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perror("Error openng the GPIO path");
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perror("Error openng the GPIO export path");
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return -1;
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return -1;
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}
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}
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write(fd, "out",3);
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write(fd, "out",3);
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@ -26,7 +26,7 @@ int main (int argc, char *argv[]){
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fd = open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY);
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fd = open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY);
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if(fd<0)
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if(fd<0)
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{
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{
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perror("Error openng the GPIO path");
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perror("Error openng the GPIO export path");
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return -1;
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return -1;
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}
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}
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write(fd, "1",1);
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write(fd, "1",1);
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@ -36,7 +36,7 @@ int main (int argc, char *argv[]){
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fd = open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY);
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fd = open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY);
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if(fd<0)
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if(fd<0)
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{
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{
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perror("Error openng the GPIO path");
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perror("Error openng the GPIO export path");
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return -1;
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return -1;
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}
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}
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write(fd, "0",1);
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write(fd, "0",1);
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@ -47,7 +47,7 @@ int main (int argc, char *argv[]){
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fd = open("/sys/class/gpio/chip0/unexport", O_WRONLY);
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fd = open("/sys/class/gpio/chip0/unexport", O_WRONLY);
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if(fd<0)
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if(fd<0)
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{
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{
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perror("Error openng the GPIO path");
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perror("Error openng the GPIO export path");
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return -1;
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return -1;
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}
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}
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write(fd, "17",2);
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write(fd, "17",2);
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