SPS30: Add fan action

CODEOWNERS

@@ -182,6 +182,7 @@ esphome/components/sm2135/* @BoukeHaarsma23
 esphome/components/socket/* @esphome/core
 esphome/components/sonoff_d1/* @anatoly-savchenkov
 esphome/components/spi/* @esphome/core
+esphome/components/sps30/* @martgras
 esphome/components/ssd1322_base/* @kbx81
 esphome/components/ssd1322_spi/* @kbx81
 esphome/components/ssd1325_base/* @kbx81

esphome/components/sps30/automation.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/automation.h"
+#include "sps30.h"
+
+namespace esphome {
+namespace sps30 {
+
+template<typename... Ts> class StartFanAction : public Action<Ts...> {
+ public:
+  explicit StartFanAction(SPS30Component *sps30) : sps30_(sps30) {}
+
+  void play(Ts... x) override { this->sps30_->start_fan_cleaning(); }
+
+ protected:
+  SPS30Component *sps30_;
+};
+
+}  // namespace sps30
+}  // namespace esphome

esphome/components/sps30/sensor.py

@@ -1,6 +1,8 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import i2c, sensor, sensirion_common
+from esphome import automation
+from esphome.automation import maybe_simple_id
 from esphome.const import (
     CONF_ID,
     CONF_PM_1_0,
@@ -25,6 +27,7 @@
     ICON_RULER,
 )
 
+CODEOWNERS = ["@martgras"]
 DEPENDENCIES = ["i2c"]
 AUTO_LOAD = ["sensirion_common"]
 
@@ -33,6 +36,11 @@
     "SPS30Component", cg.PollingComponent, sensirion_common.SensirionI2CDevice
 )
 
+# Actions
+StartFanAction = sps30_ns.class_("StartFanAction", automation.Action)
+
+CONF_AUTO_CLEANING_INTERVAL = "auto_cleaning_interval"
+
 CONFIG_SCHEMA = (
     cv.Schema(
         {
@@ -100,6 +108,7 @@
                 accuracy_decimals=0,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
+            cv.Optional(CONF_AUTO_CLEANING_INTERVAL): cv.update_interval,
         }
     )
     .extend(cv.polling_component_schema("60s"))
@@ -151,3 +160,21 @@ async def to_code(config):
     if CONF_PM_SIZE in config:
         sens = await sensor.new_sensor(config[CONF_PM_SIZE])
         cg.add(var.set_pm_size_sensor(sens))
+
+    if CONF_AUTO_CLEANING_INTERVAL in config:
+        cg.add(var.set_auto_cleaning_interval(config[CONF_AUTO_CLEANING_INTERVAL]))
+
+
+SPS30_ACTION_SCHEMA = maybe_simple_id(
+    {
+        cv.Required(CONF_ID): cv.use_id(SPS30Component),
+    }
+)
+
+
+@automation.register_action(
+    "sps30.start_fan_autoclean", StartFanAction, SPS30_ACTION_SCHEMA
+)
+async def sps30_fan_to_code(config, action_id, template_arg, args):
+    paren = await cg.get_variable(config[CONF_ID])
+    return cg.new_Pvariable(action_id, template_arg, paren)

esphome/components/sps30/sps30.cpp

@@ -1,5 +1,6 @@
-#include "sps30.h"
+#include "esphome/core/hal.h"
 #include "esphome/core/log.h"
+#include "sps30.h"
 
 namespace esphome {
 namespace sps30 {
@@ -44,6 +45,22 @@ void SPS30Component::setup() {
       this->serial_number_[i * 2 + 1] = uint16_t(uint16_t(raw_serial_number[i] & 0xFF));
     }
     ESP_LOGD(TAG, "  Serial Number: '%s'", this->serial_number_);
+
+    bool result;
+    if (this->fan_interval_.has_value()) {
+      // override default value
+      result = write_command(SPS30_CMD_SET_AUTOMATIC_CLEANING_INTERVAL_SECONDS, this->fan_interval_.value());
+    } else {
+      result = write_command(SPS30_CMD_SET_AUTOMATIC_CLEANING_INTERVAL_SECONDS);
+    }
+    if (result) {
+      delay(20);
+      uint16_t secs[2];
+      if (this->read_data(secs, 2)) {
+        fan_interval_ = secs[0] << 16 | secs[1];
+      }
+    }
+
     this->status_clear_warning();
     this->skipped_data_read_cycles_ = 0;
     this->start_continuous_measurement_();
@@ -206,5 +223,16 @@ bool SPS30Component::start_continuous_measurement_() {
   return true;
 }
 
+bool SPS30Component::start_fan_cleaning() {
+  if (!write_command(SPS30_CMD_START_FAN_CLEANING)) {
+    this->status_set_warning();
+    ESP_LOGE(TAG, "write error start fan (%d)", this->last_error_);
+    return false;
+  } else {
+    ESP_LOGD(TAG, "Fan auto clean started");
+  }
+  return true;
+}
+
 }  // namespace sps30
 }  // namespace esphome

esphome/components/sps30/sps30.h

@@ -22,12 +22,14 @@ class SPS30Component : public PollingComponent, public sensirion_common::Sensiri
   void set_pmc_10_0_sensor(sensor::Sensor *pmc_10_0) { pmc_10_0_sensor_ = pmc_10_0; }
 
   void set_pm_size_sensor(sensor::Sensor *pm_size) { pm_size_sensor_ = pm_size; }
-
+  void set_auto_cleaning_interval(uint32_t auto_cleaning_interval) { fan_interval_ = auto_cleaning_interval; }
   void setup() override;
   void update() override;
   void dump_config() override;
   float get_setup_priority() const override { return setup_priority::DATA; }
 
+  bool start_fan_cleaning();
+
  protected:
   char serial_number_[17] = {0};  /// Terminating NULL character
   uint16_t raw_firmware_version_;
@@ -54,6 +56,7 @@ class SPS30Component : public PollingComponent, public sensirion_common::Sensiri
   sensor::Sensor *pmc_4_0_sensor_{nullptr};
   sensor::Sensor *pmc_10_0_sensor_{nullptr};
   sensor::Sensor *pm_size_sensor_{nullptr};
+  optional<uint32_t> fan_interval_;
 };
 
 }  // namespace sps30