Implement pulse_meter as an improvement on pulse_counter and pulse_width for meters (#1434)

esphome/components/pulse_meter/pulse_meter_sensor.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/esphal.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/core/helpers.h"
+
+namespace esphome {
+namespace pulse_meter {
+
+class PulseMeterSensor : public sensor::Sensor, public Component {
+ public:
+  void set_pin(GPIOPin *pin) { this->pin_ = pin; }
+  void set_filter_us(uint32_t filter) { this->filter_us_ = filter; }
+  void set_timeout_us(uint32_t timeout) { this->timeout_us_ = timeout; }
+  void set_total_sensor(sensor::Sensor *sensor) { this->total_sensor_ = sensor; }
+
+  void setup() override;
+  void loop() override;
+  float get_setup_priority() const override { return setup_priority::DATA; }
+  void dump_config() override;
+
+ protected:
+  static void gpio_intr(PulseMeterSensor *sensor);
+
+  GPIOPin *pin_ = nullptr;
+  ISRInternalGPIOPin *isr_pin_;
+  uint32_t filter_us_ = 0;
+  uint32_t timeout_us_ = 1000000UL * 60UL * 5UL;
+  sensor::Sensor *total_sensor_ = nullptr;
+
+  Deduplicator<uint32_t> pulse_width_dedupe_;
+  Deduplicator<uint32_t> total_dedupe_;
+
+  volatile uint32_t last_detected_edge_us_ = 0;
+  volatile uint32_t last_valid_edge_us_ = 0;
+  volatile uint32_t pulse_width_us_ = 0;
+  volatile uint32_t total_pulses_ = 0;
+};
+
+}  // namespace pulse_meter
+}  // namespace esphome