Some more stubbed stuff.

esphome/components/emporia_vue_utility/emporia_vue_utility.cpp

@@ -0,0 +1,26 @@
+#include "esphome/core/log.h"
+#include "emporia_vue_utility.h"
+
+namespace esphome {
+namespace emporia_vue_utility {
+
+static const char *TAG = "emporia_vue_utility.sensor";
+
+void EmporiaVueUtility::setup() {
+
+}
+
+void EmporiaVueUtility::update() {
+
+}
+
+void EmporiaVueUtility::loop() {
+
+}
+
+void EmporiaVueUtility::dump_config(){
+    ESP_LOGCONFIG(TAG, "Stubbed Emporia Vue Utility");
+}
+
+}  // namespace emporia_vue_utility
+}  // namespace esphome

esphome/components/emporia_vue_utility/emporia_vue_utility.h

@@ -0,0 +1,59 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/uart/uart.h"
+
+// Extra meter reading response debugging
+#define DEBUG_VUE_RESPONSE true
+
+// If the instant watts being consumed meter reading is outside of these ranges,
+// the sample will be ignored which helps prevent garbage data from polluting
+// home assistant graphs.  Note this is the instant watts value, not the
+// watt-hours value, which has smarter filtering.  The defaults of 131kW
+// should be fine for most people.  (131072 = 0x20000)
+#define WATTS_MIN -131072 
+#define WATTS_MAX  131072
+
+// How much the watt-hours consumed value can change between samples.
+// Values that change by more than this over the avg value across the
+// previous 5 samples will be discarded.
+#define MAX_WH_CHANGE 2000
+
+// How many samples to average the watt-hours value over. 
+#define MAX_WH_CHANGE_ARY 5
+
+// How often to request a reading from the meter in seconds.
+// Meters typically update the reported value only once every
+// 10 to 30 seconds, so "5" is usually fine.
+// You might try setting this to "1" to see if your meter has
+// new values more often
+#define METER_READING_INTERVAL 30
+
+// How often to attempt to re-join the meter when it hasn't
+// been returning readings
+#define METER_REJOIN_INTERVAL 30
+
+// On first startup, how long before trying to start to talk to meter
+#define INITIAL_STARTUP_DELAY 10
+
+// Should this code manage the "wifi" and "link" LEDs?
+// set to false if you want manually manage them elsewhere
+#define USE_LED_PINS true
+
+#define LED_PIN_LINK 32
+#define LED_PIN_WIFI 33
+
+namespace esphome {
+namespace emporia_vue_utility {
+
+class EmporiaVueUtility : public sensor::Sensor, public PollingComponent, public uart::UARTDevice {
+ public:
+  void setup() override;
+  void update() override;
+  void loop() override;
+  void dump_config() override;
+};
+
+}  // namespace emporia_vue_utility
+}  // namespace esphome

esphome/components/emporia_vue_utility/sensor.py

@@ -0,0 +1,31 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import uart, sensor
+from esphome.const import CONF_ID, CONF_POWER
+
+DEPENDENCIES = ['uart']
+
+emporia_vue_utility_ns = cg.esphome_ns.namespace('emporia_vue_utility')
+EmporiaVueUtility = emporia_vue_utility_ns.class_('EmporiaVueUtility', cg.PollingComponent, uart.UARTDevice)
+
+CONFIG_SCHEMA = cv.All(
+    cv.Schema(
+        cv.GenerateID(): cv.declare_id(EmporiaVueUtility),
+        cv.Optional(CONF_POWER): sensor.sensor_schema(
+            unit_of_measurement=UNIT_WATT,
+            device_class=DEVICE_CLASS_POWER,
+            state_class=STATE_CLASS_MEASUREMENT,
+            accuracy_decimals=2,
+    ),
+    )
+)
+
+# sensor.sensor_schema(UNIT_EMPTY, ICON_EMPTY, 1).extend({
+#     cv.GenerateID(): cv.declare_id(EmporiaVueUtility),
+# }).extend(cv.polling_component_schema('60s')).extend(uart.UART_DEVICE_SCHEMA)
+
+# def to_code(config):
+#     var = cg.new_Pvariable(config[CONF_ID])
+#     yield cg.register_component(var, config)
+#     yield sensor.register_sensor(var, config)
+#     yield uart.register_uart_device(var, config)