openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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#pragma once
#include "cereal/messaging/messaging.h"
class Sensor {
public:
int gpio_fd = -1;
uint64_t init_delay = 500e6; // default dealy 500ms
virtual ~Sensor() {};
virtual int init() = 0;
virtual bool get_event(MessageBuilder &msg, uint64_t ts = 0) = 0;
virtual bool has_interrupt_enabled() = 0;
virtual int shutdown() = 0;
virtual bool is_data_valid(uint64_t st, uint64_t ct) {
return (ct - st) > init_delay;
}
};