#include #include #include #include #include #include "hlg150h.hpp" #define HLG150H_GPIO_RELAY 21 #define HLG150H_GPIO_PWM 22 void printState(upm::ILightController &lightController) { if (lightController.isPowered()) { std::cout << "Light is powered, brightness = " << lightController.getBrightness() << std::endl; } else { std::cout << "Light is not powered." << std::endl; } } int main( int argc, char **argv ) { //! [Interesting] upm::HLG150H lightController(HLG150H_GPIO_RELAY, HLG150H_GPIO_PWM); std::cout << "Existing state: "; printState(lightController); if (argc == 2) { std::string arg = argv[1]; int brightness = ::atoi(argv[1]); if (brightness > 0) { lightController.setPowerOn(); lightController.setBrightness(brightness); } else lightController.setPowerOff(); } std::cout << "Now: ";printState(lightController); //! [Interesting] return 0; }