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https://github.com/esphome/esphome.git
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ac0d921413
* Socket refactor and SSL * esp-idf temp * Fixes * Echo component and noise * Add noise API transport support * Updates * ESP-IDF * Complete * Fixes * Fixes * Versions update * New i2c APIs * Complete i2c refactor * SPI migration * Revert ESP Preferences migration, too complex for now * OTA support * Remove echo again * Remove ssl again * GPIOFlags updates * Rename esphal and ICACHE_RAM_ATTR * Make ESP32 arduino compilable again * Fix GPIO flags * Complete pin registry refactor and fixes * Fixes to make test1 compile * Remove sdkconfig file * Ignore sdkconfig file * Fixes in reviewing * Make test2 compile * Make test4 compile * Make test5 compile * Run clang-format * Fix lint errors * Use esp-idf APIs instead of btStart * Another round of fixes * Start implementing ESP8266 * Make test3 compile * Guard esp8266 code * Lint * Reformat * Fixes * Fixes v2 * more fixes * ESP-IDF tidy target * Convert ARDUINO_ARCH_ESPxx * Update WiFiSignalSensor * Update time ifdefs * OTA needs millis from hal * RestartSwitch needs delay from hal * ESP-IDF Uart * Fix OTA blank password * Allow setting sdkconfig * Fix idf partitions and allow setting sdkconfig from yaml * Re-add read/write compat APIs and fix esp8266 uart * Fix esp8266 store log strings in flash * Fix ESP32 arduino preferences not initialized * Update ifdefs * Change how sdkconfig change is detected * Add checks to ci-custom and fix them * Run clang-format * Add esp-idf clang-tidy target and fix errors * Fixes from clang-tidy idf round 2 * Fixes from compiling tests with esp-idf * Run clang-format * Switch test5.yaml to esp-idf * Implement ESP8266 Preferences * Lint * Re-do PIO package version selection a bit * Fix arduinoespressif32 package version * Fix unit tests * Lint * Lint fixes * Fix readv/writev not defined * Fix graphing component * Re-add all old options from core/config.py Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
#include "pulse_meter_sensor.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace pulse_meter {
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static const char *const TAG = "pulse_meter";
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void PulseMeterSensor::setup() {
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this->pin_->setup();
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this->isr_pin_ = pin_->to_isr();
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this->pin_->attach_interrupt(PulseMeterSensor::gpio_intr, this, gpio::INTERRUPT_ANY_EDGE);
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this->last_detected_edge_us_ = 0;
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this->last_valid_edge_us_ = 0;
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}
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void PulseMeterSensor::loop() {
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const uint32_t now = micros();
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// If we've exceeded our timeout interval without receiving any pulses, assume 0 pulses/min until
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// we get at least two valid pulses.
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const uint32_t time_since_valid_edge_us = now - this->last_valid_edge_us_;
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if ((this->last_valid_edge_us_ != 0) && (time_since_valid_edge_us > this->timeout_us_)) {
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ESP_LOGD(TAG, "No pulse detected for %us, assuming 0 pulses/min", time_since_valid_edge_us / 1000000);
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this->last_valid_edge_us_ = 0;
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this->pulse_width_us_ = 0;
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}
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// We quantize our pulse widths to 1 ms to avoid unnecessary jitter
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const uint32_t pulse_width_ms = this->pulse_width_us_ / 1000;
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if (this->pulse_width_dedupe_.next(pulse_width_ms)) {
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if (pulse_width_ms == 0) {
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// Treat 0 pulse width as 0 pulses/min (normally because we've not detected any pulses for a while)
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this->publish_state(0);
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} else {
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// Calculate pulses/min from the pulse width in ms
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this->publish_state((60.0 * 1000.0) / pulse_width_ms);
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}
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}
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if (this->total_sensor_ != nullptr) {
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const uint32_t total = this->total_pulses_;
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if (this->total_dedupe_.next(total)) {
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this->total_sensor_->publish_state(total);
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}
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}
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}
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void PulseMeterSensor::set_total_pulses(uint32_t pulses) { this->total_pulses_ = pulses; }
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void PulseMeterSensor::dump_config() {
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LOG_SENSOR("", "Pulse Meter", this);
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LOG_PIN(" Pin: ", this->pin_);
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ESP_LOGCONFIG(TAG, " Filtering pulses shorter than %u µs", this->filter_us_);
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ESP_LOGCONFIG(TAG, " Assuming 0 pulses/min after not receiving a pulse for %us", this->timeout_us_ / 1000000);
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}
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void IRAM_ATTR PulseMeterSensor::gpio_intr(PulseMeterSensor *sensor) {
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// This is an interrupt handler - we can't call any virtual method from this method
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// Get the current time before we do anything else so the measurements are consistent
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const uint32_t now = micros();
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// We only look at rising edges
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if (!sensor->isr_pin_.digital_read()) {
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return;
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}
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// Check to see if we should filter this edge out
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if ((now - sensor->last_detected_edge_us_) >= sensor->filter_us_) {
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// Don't measure the first valid pulse (we need at least two pulses to measure the width)
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if (sensor->last_valid_edge_us_ != 0) {
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sensor->pulse_width_us_ = (now - sensor->last_valid_edge_us_);
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}
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sensor->total_pulses_++;
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sensor->last_valid_edge_us_ = now;
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}
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sensor->last_detected_edge_us_ = now;
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}
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} // namespace pulse_meter
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} // namespace esphome
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