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26 lines
715 B
26 lines
715 B
/*To test the gpio class for BeagleBone Black
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Gerardo Marx, April/20/2020*/
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#include<iostream> // to input/output strings
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#include<fstream>
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#include<sstream>
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#define GPIO_PATH "/sys/class/gpio/gpio"
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int main(int argc, char *argv[]){
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if(argc!=2){
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std::cout << "The command usage is gpio #" << std::endl;
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std::cout << "where # is the gpio number" << std:: endl;
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return 2;
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}
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std::cout << "Starting program" << std::endl;
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int number = 44; // gpio
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std::string path;
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std::ostringstream s;
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std::ofstream fs;
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std::string file = "direction";
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s << GPIO_PATH << number; // gpio path
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path = std::string(s.str());
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fs.open((path + file).c_str());
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fs << "output";
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fs.close();
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return 0;
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}
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