Hydreon updates (#5424)

esphome/components/hydreon_rgxx/hydreon_rgxx.cpp

@@ -25,6 +25,10 @@ void HydreonRGxxComponent::dump_config() {
     LOG_SENSOR("  ", #s, this->sensors_[i - 1]); \
   }
   HYDREON_RGXX_PROTOCOL_LIST(HYDREON_RGXX_LOG_SENSOR, );
+
+  if (this->model_ == RG9) {
+    ESP_LOGCONFIG(TAG, "disable_led: %s", TRUEFALSE(this->disable_led_));
+  }
 }
 
 void HydreonRGxxComponent::setup() {
@@ -187,7 +191,20 @@ void HydreonRGxxComponent::process_line_() {
     this->cancel_interval("reboot");
     this->no_response_count_ = 0;
     ESP_LOGI(TAG, "Boot detected: %s", this->buffer_.substr(0, this->buffer_.size() - 2).c_str());
-    this->write_str("P\nH\nM\n");  // set sensor to polling mode, high res mode, metric mode
+
+    if (this->model_ == RG15) {
+      this->write_str("P\nH\nM\n");  // set sensor to (P)polling mode, (H)high res mode, (M)metric mode
+    }
+
+    if (this->model_ == RG9) {
+      this->write_str("P\n");  // set sensor to (P)polling mode
+
+      if (this->disable_led_) {
+        this->write_str("D 1\n");  // set sensor (D 1)rain detection LED disabled
+      } else {
+        this->write_str("D 0\n");  // set sensor (D 0)rain detection LED enabled
+      }
+    }
     return;
   }
   if (this->buffer_starts_with_("SW")) {
@@ -227,7 +244,22 @@ void HydreonRGxxComponent::process_line_() {
       if (n == std::string::npos) {
         continue;
       }
-      float data = strtof(this->buffer_.substr(n + strlen(PROTOCOL_NAMES[i])).c_str(), nullptr);
+
+      if (n == this->buffer_.find('t', n)) {
+        // The device temperature ('t') response contains both °C and °F values:
+        // "t 72F 22C".
+        // ESPHome uses only °C, only parse °C value (move past 'F').
+        n = this->buffer_.find('F', n);
+        if (n == std::string::npos) {
+          continue;
+        }
+        n += 1;  // move past 'F'
+      } else {
+        n += strlen(PROTOCOL_NAMES[i]);  // move past protocol name
+      }
+
+      // parse value, starting at str position n
+      float data = strtof(this->buffer_.substr(n).c_str(), nullptr);
       this->sensors_[i]->publish_state(data);
       ESP_LOGD(TAG, "Received %s: %f", PROTOCOL_NAMES[i], this->sensors_[i]->get_raw_state());
       this->sensors_received_ |= (1 << i);

esphome/components/hydreon_rgxx/hydreon_rgxx.h

@@ -49,6 +49,8 @@ class HydreonRGxxComponent : public PollingComponent, public uart::UARTDevice {
 
   float get_setup_priority() const override;
 
+  void set_disable_led(bool disable_led) { this->disable_led_ = disable_led; }
+
  protected:
   void process_line_();
   void schedule_reboot_();
@@ -72,6 +74,7 @@ class HydreonRGxxComponent : public PollingComponent, public uart::UARTDevice {
   bool lens_bad_ = false;
   bool em_sat_ = false;
   bool request_temperature_ = false;
+  bool disable_led_ = false;
 
   // bit field showing which sensors we have received data for
   int sensors_received_ = -1;

esphome/components/hydreon_rgxx/sensor.py

@@ -25,12 +25,17 @@ CONF_EVENT_ACC = "event_acc"
 CONF_TOTAL_ACC = "total_acc"
 CONF_R_INT = "r_int"
 
+CONF_DISABLE_LED = "disable_led"
+
 RG_MODELS = {
     "RG_9": RGModel.RG9,
     "RG_15": RGModel.RG15,
-    # https://rainsensors.com/wp-content/uploads/sites/3/2020/07/rg-15_instructions_sw_1.000.pdf
+    # RG-15
-    # https://rainsensors.com/wp-content/uploads/sites/3/2021/03/2020.08.25-rg-9_instructions.pdf
+    # 1.000 - https://rainsensors.com/wp-content/uploads/sites/3/2020/07/rg-15_instructions_sw_1.000.pdf
-    # https://rainsensors.com/wp-content/uploads/sites/3/2021/03/2021.03.11-rg-9_instructions.pdf
+    # RG-9
+    # 1.000 - https://rainsensors.com/wp-content/uploads/sites/3/2021/03/2020.08.25-rg-9_instructions.pdf
+    # 1.100 - https://rainsensors.com/wp-content/uploads/sites/3/2021/03/2021.03.11-rg-9_instructions.pdf
+    # 1.200 - https://rainsensors.com/wp-content/uploads/sites/3/2022/03/2022.02.17-rev-1.200-rg-9_instructions.pdf
 }
 SUPPORTED_SENSORS = {
     CONF_ACC: ["RG_15"],
@@ -39,6 +44,7 @@ SUPPORTED_SENSORS = {
     CONF_R_INT: ["RG_15"],
     CONF_MOISTURE: ["RG_9"],
     CONF_TEMPERATURE: ["RG_9"],
+    CONF_DISABLE_LED: ["RG_9"],
 }
 PROTOCOL_NAMES = {
     CONF_MOISTURE: "R",
@@ -105,6 +111,7 @@ CONFIG_SCHEMA = cv.All(
                 icon=ICON_THERMOMETER,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
+            cv.Optional(CONF_DISABLE_LED): cv.boolean,
         }
     )
     .extend(cv.polling_component_schema("60s"))
@@ -132,3 +139,6 @@ async def to_code(config):
             cg.add(var.set_sensor(sens, i))
 
     cg.add(var.set_request_temperature(CONF_TEMPERATURE in config))
+
+    if CONF_DISABLE_LED in config:
+        cg.add(var.set_disable_led(config[CONF_DISABLE_LED]))

tests/test3.yaml

@@ -347,6 +347,10 @@ sensor:
     moisture:
       name: hydreon_rain
       id: hydreon_rain
+    temperature:
+      name: hydreon_temperature
+    disable_led: true
+
   - platform: hydreon_rgxx
     model: RG_15
     uart_id: uart_6
@@ -358,6 +362,7 @@ sensor:
       name: hydreon_total_acc
     r_int:
       name: hydreon_r_int
+
   - platform: adc
     pin: VCC
     id: my_sensor
@@ -725,6 +730,7 @@ binary_sensor:
       name: rg9_emsat
     lens_bad:
       name: rg9_lens_bad
+
   - platform: template
     id: pzemac_reset_energy
     on_press: