digital_pcnt_input.h

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#ifndef SENSESP_SENSORS_DIGITAL_PCNT_INPUT_H_
#define SENSESP_SENSORS_DIGITAL_PCNT_INPUT_H_
 
#include <elapsedMillis.h>
 
#include "sensesp/sensors/digital_input.h"
#include "sensesp/sensors/sensor.h"
#include "sensesp_base_app.h"
#if ESP_ARDUINO_VERSION_MAJOR < 3
#warning \
    "The Pulse Counter API is only available in ESP32 Arduino Core 3.0.0 and later"
#else
#include "driver/pulse_cnt.h"
 
namespace sensesp {

class DigitalInputPcntCounter : public DigitalInput, public Sensor<int> {
 public:
  DigitalInputPcntCounter(uint8_t pin, int pin_mode, int interrupt_type,
                          unsigned int read_delay, String config_path = "");
 
  ~DigitalInputPcntCounter();
 
  virtual bool to_json(JsonObject& root) override;
  virtual bool from_json(const JsonObject& config) override;
 
 protected:
  unsigned int read_delay_;
 
 private:
  esp_err_t configurePcnt(int interrupt_type);
  pcnt_unit_handle_t pcnt_unit_ = nullptr;
  pcnt_channel_handle_t pcnt_channel_ = nullptr;
 
  int interrupt_type_;
};
 
const String ConfigSchema(const DigitalInputPcntCounter& obj);
 
bool ConfigRequiresRestart(const DigitalInputPcntCounter& obj);
}  // namespace sensesp
 
#endif  // ESP_ARDUINO_VERSION_MAJOR < 3
#endif  // SENSESP_SENSORS_DIGITAL_PCNT_INPUT_H_