Correct offset calibration (#7228)

Co-authored-by: descipher <mike.laspina@gelidus.ca>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

CODEOWNERS

@@ -46,6 +46,7 @@ esphome/components/async_tcp/* @OttoWinter
 esphome/components/at581x/* @X-Ryl669
 esphome/components/atc_mithermometer/* @ahpohl
 esphome/components/atm90e26/* @danieltwagner
+esphome/components/atm90e32/* @circuitsetup @descipher
 esphome/components/b_parasite/* @rbaron
 esphome/components/ballu/* @bazuchan
 esphome/components/bang_bang/* @OttoWinter

esphome/components/atm90e32/__init__.py

@@ -0,0 +1,7 @@
+import esphome.codegen as cg
+
+CODEOWNERS = ["@circuitsetup", "@descipher"]
+
+atm90e32_ns = cg.esphome_ns.namespace("atm90e32")
+
+CONF_ATM90E32_ID = "atm90e32_id"

esphome/components/atm90e32/atm90e32.cpp

@@ -132,10 +132,77 @@ void ATM90E32Component::update() {
   this->status_clear_warning();
 }
 
+void ATM90E32Component::restore_calibrations_() {
+  if (enable_offset_calibration_) {
+    this->pref_.load(&this->offset_phase_);
+  }
+};
+
+void ATM90E32Component::run_offset_calibrations() {
+  // Run the calibrations and
+  // Setup voltage and current calibration offsets for PHASE A
+  this->offset_phase_[PHASEA].voltage_offset_ = calibrate_voltage_offset_phase(PHASEA);
+  this->phase_[PHASEA].voltage_offset_ = this->offset_phase_[PHASEA].voltage_offset_;
+  this->write16_(ATM90E32_REGISTER_UOFFSETA, this->phase_[PHASEA].voltage_offset_);  // C Voltage offset
+  this->offset_phase_[PHASEA].current_offset_ = calibrate_current_offset_phase(PHASEA);
+  this->phase_[PHASEA].current_offset_ = this->offset_phase_[PHASEA].current_offset_;
+  this->write16_(ATM90E32_REGISTER_IOFFSETA, this->phase_[PHASEA].current_offset_);  // C Current offset
+  // Setup voltage and current calibration offsets for PHASE B
+  this->offset_phase_[PHASEB].voltage_offset_ = calibrate_voltage_offset_phase(PHASEB);
+  this->phase_[PHASEB].voltage_offset_ = this->offset_phase_[PHASEB].voltage_offset_;
+  this->write16_(ATM90E32_REGISTER_UOFFSETB, this->phase_[PHASEB].voltage_offset_);  // C Voltage offset
+  this->offset_phase_[PHASEB].current_offset_ = calibrate_current_offset_phase(PHASEB);
+  this->phase_[PHASEB].current_offset_ = this->offset_phase_[PHASEB].current_offset_;
+  this->write16_(ATM90E32_REGISTER_IOFFSETB, this->phase_[PHASEB].current_offset_);  // C Current offset
+  // Setup voltage and current calibration offsets for PHASE C
+  this->offset_phase_[PHASEC].voltage_offset_ = calibrate_voltage_offset_phase(PHASEC);
+  this->phase_[PHASEC].voltage_offset_ = this->offset_phase_[PHASEC].voltage_offset_;
+  this->write16_(ATM90E32_REGISTER_UOFFSETC, this->phase_[PHASEC].voltage_offset_);  // C Voltage offset
+  this->offset_phase_[PHASEC].current_offset_ = calibrate_current_offset_phase(PHASEC);
+  this->phase_[PHASEC].current_offset_ = this->offset_phase_[PHASEC].current_offset_;
+  this->write16_(ATM90E32_REGISTER_IOFFSETC, this->phase_[PHASEC].current_offset_);  // C Current offset
+  this->pref_.save(&this->offset_phase_);
+  ESP_LOGI(TAG, "PhaseA Vo=%5d PhaseB Vo=%5d PhaseC Vo=%5d", this->offset_phase_[PHASEA].voltage_offset_,
+           this->offset_phase_[PHASEB].voltage_offset_, this->offset_phase_[PHASEC].voltage_offset_);
+  ESP_LOGI(TAG, "PhaseA Io=%5d PhaseB Io=%5d PhaseC Io=%5d", this->offset_phase_[PHASEA].current_offset_,
+           this->offset_phase_[PHASEB].current_offset_, this->offset_phase_[PHASEC].current_offset_);
+}
+
+void ATM90E32Component::clear_offset_calibrations() {
+  // Clear the calibrations and
+  this->offset_phase_[PHASEA].voltage_offset_ = 0;
+  this->phase_[PHASEA].voltage_offset_ = this->offset_phase_[PHASEA].voltage_offset_;
+  this->write16_(ATM90E32_REGISTER_UOFFSETA, this->phase_[PHASEA].voltage_offset_);  // C Voltage offset
+  this->offset_phase_[PHASEA].current_offset_ = 0;
+  this->phase_[PHASEA].current_offset_ = this->offset_phase_[PHASEA].current_offset_;
+  this->write16_(ATM90E32_REGISTER_IOFFSETA, this->phase_[PHASEA].current_offset_);  // C Current offset
+  this->offset_phase_[PHASEB].voltage_offset_ = 0;
+  this->phase_[PHASEB].voltage_offset_ = this->offset_phase_[PHASEB].voltage_offset_;
+  this->write16_(ATM90E32_REGISTER_UOFFSETB, this->phase_[PHASEB].voltage_offset_);  // C Voltage offset
+  this->offset_phase_[PHASEB].current_offset_ = 0;
+  this->phase_[PHASEB].current_offset_ = this->offset_phase_[PHASEB].current_offset_;
+  this->write16_(ATM90E32_REGISTER_IOFFSETB, this->phase_[PHASEB].current_offset_);  // C Current offset
+  this->offset_phase_[PHASEC].voltage_offset_ = 0;
+  this->phase_[PHASEC].voltage_offset_ = this->offset_phase_[PHASEC].voltage_offset_;
+  this->write16_(ATM90E32_REGISTER_UOFFSETC, this->phase_[PHASEC].voltage_offset_);  // C Voltage offset
+  this->offset_phase_[PHASEC].current_offset_ = 0;
+  this->phase_[PHASEC].current_offset_ = this->offset_phase_[PHASEC].current_offset_;
+  this->write16_(ATM90E32_REGISTER_IOFFSETC, this->phase_[PHASEC].current_offset_);  // C Current offset
+  this->pref_.save(&this->offset_phase_);
+  ESP_LOGI(TAG, "PhaseA Vo=%5d PhaseB Vo=%5d PhaseC Vo=%5d", this->offset_phase_[PHASEA].voltage_offset_,
+           this->offset_phase_[PHASEB].voltage_offset_, this->offset_phase_[PHASEC].voltage_offset_);
+  ESP_LOGI(TAG, "PhaseA Io=%5d PhaseB Io=%5d PhaseC Io=%5d", this->offset_phase_[PHASEA].current_offset_,
+           this->offset_phase_[PHASEB].current_offset_, this->offset_phase_[PHASEC].current_offset_);
+}
+
 void ATM90E32Component::setup() {
   ESP_LOGCONFIG(TAG, "Setting up ATM90E32 Component...");
   this->spi_setup();
-
+  if (this->enable_offset_calibration_) {
+    uint32_t hash = fnv1_hash(App.get_friendly_name());
+    this->pref_ = global_preferences->make_preference<Calibration[3]>(hash, true);
+    this->restore_calibrations_();
+  }
   uint16_t mmode0 = 0x87;  // 3P4W 50Hz
   if (line_freq_ == 60) {
     mmode0 |= 1 << 12;  // sets 12th bit to 1, 60Hz
@@ -167,27 +234,12 @@ void ATM90E32Component::setup() {
   this->write16_(ATM90E32_REGISTER_SSTARTTH, 0x1D4C);       // All Reactive Startup Power Threshold - 50%
   this->write16_(ATM90E32_REGISTER_PPHASETH, 0x02EE);       // Each Phase Active Phase Threshold - 0.002A/0.00032 = 750
   this->write16_(ATM90E32_REGISTER_QPHASETH, 0x02EE);       // Each phase Reactive Phase Threshold - 10%
-  // Setup voltage and current calibration offsets for PHASE A
-  this->phase_[PHASEA].voltage_offset_ = calibrate_voltage_offset_phase(PHASEA);
-  this->write16_(ATM90E32_REGISTER_UOFFSETA, this->phase_[PHASEA].voltage_offset_);  // A Voltage offset
-  this->phase_[PHASEA].current_offset_ = calibrate_current_offset_phase(PHASEA);
-  this->write16_(ATM90E32_REGISTER_IOFFSETA, this->phase_[PHASEA].current_offset_);  // A Current offset
   // Setup voltage and current gain for PHASE A
   this->write16_(ATM90E32_REGISTER_UGAINA, this->phase_[PHASEA].voltage_gain_);  // A Voltage rms gain
   this->write16_(ATM90E32_REGISTER_IGAINA, this->phase_[PHASEA].ct_gain_);       // A line current gain
-  // Setup voltage and current calibration offsets for PHASE B
-  this->phase_[PHASEB].voltage_offset_ = calibrate_voltage_offset_phase(PHASEB);
-  this->write16_(ATM90E32_REGISTER_UOFFSETB, this->phase_[PHASEB].voltage_offset_);  // B Voltage offset
-  this->phase_[PHASEB].current_offset_ = calibrate_current_offset_phase(PHASEB);
-  this->write16_(ATM90E32_REGISTER_IOFFSETB, this->phase_[PHASEB].current_offset_);  // B Current offset
   // Setup voltage and current gain for PHASE B
   this->write16_(ATM90E32_REGISTER_UGAINB, this->phase_[PHASEB].voltage_gain_);  // B Voltage rms gain
   this->write16_(ATM90E32_REGISTER_IGAINB, this->phase_[PHASEB].ct_gain_);       // B line current gain
-  // Setup voltage and current calibration offsets for PHASE C
-  this->phase_[PHASEC].voltage_offset_ = calibrate_voltage_offset_phase(PHASEC);
-  this->write16_(ATM90E32_REGISTER_UOFFSETC, this->phase_[PHASEC].voltage_offset_);  // C Voltage offset
-  this->phase_[PHASEC].current_offset_ = calibrate_current_offset_phase(PHASEC);
-  this->write16_(ATM90E32_REGISTER_IOFFSETC, this->phase_[PHASEC].current_offset_);  // C Current offset
   // Setup voltage and current gain for PHASE C
   this->write16_(ATM90E32_REGISTER_UGAINC, this->phase_[PHASEC].voltage_gain_);  // C Voltage rms gain
   this->write16_(ATM90E32_REGISTER_IGAINC, this->phase_[PHASEC].ct_gain_);       // C line current gain

esphome/components/atm90e32/atm90e32.h

@@ -1,9 +1,12 @@
 #pragma once
 
-#include "esphome/core/component.h"
+#include "atm90e32_reg.h"
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/spi/spi.h"
-#include "atm90e32_reg.h"
+#include "esphome/core/application.h"
+#include "esphome/core/component.h"
+#include "esphome/core/helpers.h"
+#include "esphome/core/preferences.h"
 
 namespace esphome {
 namespace atm90e32 {
@@ -20,7 +23,6 @@ class ATM90E32Component : public PollingComponent,
   void dump_config() override;
   float get_setup_priority() const override;
   void update() override;
-
   void set_voltage_sensor(int phase, sensor::Sensor *obj) { this->phase_[phase].voltage_sensor_ = obj; }
   void set_current_sensor(int phase, sensor::Sensor *obj) { this->phase_[phase].current_sensor_ = obj; }
   void set_power_sensor(int phase, sensor::Sensor *obj) { this->phase_[phase].power_sensor_ = obj; }
@@ -48,9 +50,11 @@ class ATM90E32Component : public PollingComponent,
   void set_line_freq(int freq) { line_freq_ = freq; }
   void set_current_phases(int phases) { current_phases_ = phases; }
   void set_pga_gain(uint16_t gain) { pga_gain_ = gain; }
+  void run_offset_calibrations();
+  void clear_offset_calibrations();
+  void set_enable_offset_calibration(bool flag) { enable_offset_calibration_ = flag; }
   uint16_t calibrate_voltage_offset_phase(uint8_t /*phase*/);
   uint16_t calibrate_current_offset_phase(uint8_t /*phase*/);
-
   int32_t last_periodic_millis = millis();
 
  protected:
@@ -83,10 +87,11 @@ class ATM90E32Component : public PollingComponent,
   float get_chip_temperature_();
   bool get_publish_interval_flag_() { return publish_interval_flag_; };
   void set_publish_interval_flag_(bool flag) { publish_interval_flag_ = flag; };
+  void restore_calibrations_();
 
   struct ATM90E32Phase {
-    uint16_t voltage_gain_{7305};
+    uint16_t voltage_gain_{0};
-    uint16_t ct_gain_{27961};
+    uint16_t ct_gain_{0};
     uint16_t voltage_offset_{0};
     uint16_t current_offset_{0};
     float voltage_{0};
@@ -114,13 +119,21 @@ class ATM90E32Component : public PollingComponent,
     uint32_t cumulative_reverse_active_energy_{0};
   } phase_[3];
 
+  struct Calibration {
+    uint16_t voltage_offset_{0};
+    uint16_t current_offset_{0};
+  } offset_phase_[3];
+
+  ESPPreferenceObject pref_;
+
   sensor::Sensor *freq_sensor_{nullptr};
   sensor::Sensor *chip_temperature_sensor_{nullptr};
   uint16_t pga_gain_{0x15};
   int line_freq_{60};
   int current_phases_{3};
-  bool publish_interval_flag_{true};
+  bool publish_interval_flag_{false};
   bool peak_current_signed_{false};
+  bool enable_offset_calibration_{false};
 };
 
 }  // namespace atm90e32

esphome/components/atm90e32/atm90e32_reg.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <cinttypes>
+
 namespace esphome {
 namespace atm90e32 {
 

esphome/components/atm90e32/button/__init__.py

@@ -0,0 +1,43 @@
+import esphome.codegen as cg
+from esphome.components import button
+import esphome.config_validation as cv
+from esphome.const import CONF_ID, ENTITY_CATEGORY_CONFIG, ICON_CHIP, ICON_SCALE
+
+from .. import atm90e32_ns
+from ..sensor import ATM90E32Component
+
+CONF_RUN_OFFSET_CALIBRATION = "run_offset_calibration"
+CONF_CLEAR_OFFSET_CALIBRATION = "clear_offset_calibration"
+
+ATM90E32CalibrationButton = atm90e32_ns.class_(
+    "ATM90E32CalibrationButton",
+    button.Button,
+)
+ATM90E32ClearCalibrationButton = atm90e32_ns.class_(
+    "ATM90E32ClearCalibrationButton",
+    button.Button,
+)
+
+CONFIG_SCHEMA = {
+    cv.GenerateID(CONF_ID): cv.use_id(ATM90E32Component),
+    cv.Optional(CONF_RUN_OFFSET_CALIBRATION): button.button_schema(
+        ATM90E32CalibrationButton,
+        entity_category=ENTITY_CATEGORY_CONFIG,
+        icon=ICON_SCALE,
+    ),
+    cv.Optional(CONF_CLEAR_OFFSET_CALIBRATION): button.button_schema(
+        ATM90E32ClearCalibrationButton,
+        entity_category=ENTITY_CATEGORY_CONFIG,
+        icon=ICON_CHIP,
+    ),
+}
+
+
+async def to_code(config):
+    parent = await cg.get_variable(config[CONF_ID])
+    if run_offset := config.get(CONF_RUN_OFFSET_CALIBRATION):
+        b = await button.new_button(run_offset)
+        await cg.register_parented(b, parent)
+    if clear_offset := config.get(CONF_CLEAR_OFFSET_CALIBRATION):
+        b = await button.new_button(clear_offset)
+        await cg.register_parented(b, parent)

esphome/components/atm90e32/button/atm90e32_button.cpp

@@ -0,0 +1,20 @@
+#include "atm90e32_button.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace atm90e32 {
+
+static const char *const TAG = "atm90e32.button";
+
+void ATM90E32CalibrationButton::press_action() {
+  ESP_LOGI(TAG, "Running offset calibrations, Note: CTs and ACVs must be 0 during this process...");
+  this->parent_->run_offset_calibrations();
+}
+
+void ATM90E32ClearCalibrationButton::press_action() {
+  ESP_LOGI(TAG, "Offset calibrations cleared.");
+  this->parent_->clear_offset_calibrations();
+}
+
+}  // namespace atm90e32
+}  // namespace esphome

esphome/components/atm90e32/button/atm90e32_button.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/atm90e32/atm90e32.h"
+#include "esphome/components/button/button.h"
+
+namespace esphome {
+namespace atm90e32 {
+
+class ATM90E32CalibrationButton : public button::Button, public Parented<ATM90E32Component> {
+ public:
+  ATM90E32CalibrationButton() = default;
+
+ protected:
+  void press_action() override;
+};
+
+class ATM90E32ClearCalibrationButton : public button::Button, public Parented<ATM90E32Component> {
+ public:
+  ATM90E32ClearCalibrationButton() = default;
+
+ protected:
+  void press_action() override;
+};
+
+}  // namespace atm90e32
+}  // namespace esphome

esphome/components/atm90e32/sensor.py

@@ -1,21 +1,21 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import sensor, spi
+import esphome.config_validation as cv
 from esphome.const import (
-    CONF_ID,
+    CONF_APPARENT_POWER,
-    CONF_REACTIVE_POWER,
-    CONF_VOLTAGE,
     CONF_CURRENT,
+    CONF_FORWARD_ACTIVE_ENERGY,
+    CONF_FREQUENCY,
+    CONF_ID,
     CONF_PHASE_A,
+    CONF_PHASE_ANGLE,
     CONF_PHASE_B,
     CONF_PHASE_C,
-    CONF_PHASE_ANGLE,
     CONF_POWER,
     CONF_POWER_FACTOR,
-    CONF_APPARENT_POWER,
+    CONF_REACTIVE_POWER,
-    CONF_FREQUENCY,
-    CONF_FORWARD_ACTIVE_ENERGY,
     CONF_REVERSE_ACTIVE_ENERGY,
+    CONF_VOLTAGE,
     DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_ENERGY,
     DEVICE_CLASS_POWER,
@@ -23,13 +23,13 @@ from esphome.const import (
     DEVICE_CLASS_TEMPERATURE,
     DEVICE_CLASS_VOLTAGE,
     ENTITY_CATEGORY_DIAGNOSTIC,
-    ICON_LIGHTBULB,
     ICON_CURRENT_AC,
+    ICON_LIGHTBULB,
     STATE_CLASS_MEASUREMENT,
     STATE_CLASS_TOTAL_INCREASING,
     UNIT_AMPERE,
-    UNIT_DEGREES,
     UNIT_CELSIUS,
+    UNIT_DEGREES,
     UNIT_HERTZ,
     UNIT_VOLT,
     UNIT_VOLT_AMPS_REACTIVE,
@@ -37,6 +37,8 @@ from esphome.const import (
     UNIT_WATT_HOURS,
 )
 
+from . import atm90e32_ns
+
 CONF_LINE_FREQUENCY = "line_frequency"
 CONF_CHIP_TEMPERATURE = "chip_temperature"
 CONF_GAIN_PGA = "gain_pga"
@@ -46,6 +48,7 @@ CONF_GAIN_CT = "gain_ct"
 CONF_HARMONIC_POWER = "harmonic_power"
 CONF_PEAK_CURRENT = "peak_current"
 CONF_PEAK_CURRENT_SIGNED = "peak_current_signed"
+CONF_ENABLE_OFFSET_CALIBRATION = "enable_offset_calibration"
 UNIT_DEG = "degrees"
 LINE_FREQS = {
     "50HZ": 50,
@@ -61,7 +64,6 @@ PGA_GAINS = {
     "4X": 0x2A,
 }
 
-atm90e32_ns = cg.esphome_ns.namespace("atm90e32")
 ATM90E32Component = atm90e32_ns.class_(
     "ATM90E32Component", cg.PollingComponent, spi.SPIDevice
 )
@@ -164,6 +166,7 @@ CONFIG_SCHEMA = (
             ),
             cv.Optional(CONF_GAIN_PGA, default="2X"): cv.enum(PGA_GAINS, upper=True),
             cv.Optional(CONF_PEAK_CURRENT_SIGNED, default=False): cv.boolean,
+            cv.Optional(CONF_ENABLE_OFFSET_CALIBRATION, default=False): cv.boolean,
         }
     )
     .extend(cv.polling_component_schema("60s"))
@@ -227,3 +230,4 @@ async def to_code(config):
     cg.add(var.set_current_phases(config[CONF_CURRENT_PHASES]))
     cg.add(var.set_pga_gain(config[CONF_GAIN_PGA]))
     cg.add(var.set_peak_current_signed(config[CONF_PEAK_CURRENT_SIGNED]))
+    cg.add(var.set_enable_offset_calibration(config[CONF_ENABLE_OFFSET_CALIBRATION]))

tests/components/atm90e32/test.esp32-ard.yaml

@@ -7,6 +7,7 @@ spi:
 sensor:
   - platform: atm90e32
     cs_pin: 13
+    id: chip1
     phase_a:
       voltage:
         name: EMON Line Voltage A
@@ -49,3 +50,11 @@ sensor:
     line_frequency: 60Hz
     current_phases: 3
     gain_pga: 2X
+    enable_offset_calibration: True
+button:
+  - platform: atm90e32
+    id: chip1
+    run_offset_calibration:
+      name: "Chip1 - Run Offset Calibration"
+    clear_offset_calibration:
+      name: "Chip1 - Clear Offset Calibration"

tests/components/atm90e32/test.esp32-c3-ard.yaml

@@ -7,6 +7,7 @@ spi:
 sensor:
   - platform: atm90e32
     cs_pin: 8
+    id: chip1
     phase_a:
       voltage:
         name: EMON Line Voltage A
@@ -49,3 +50,11 @@ sensor:
     line_frequency: 60Hz
     current_phases: 3
     gain_pga: 2X
+    enable_offset_calibration: True
+button:
+  - platform: atm90e32
+    id: chip1
+    run_offset_calibration:
+      name: "Chip1 - Run Offset Calibration"
+    clear_offset_calibration:
+      name: "Chip1 - Clear Offset Calibration"

tests/components/atm90e32/test.esp32-c3-idf.yaml

@@ -7,6 +7,7 @@ spi:
 sensor:
   - platform: atm90e32
     cs_pin: 8
+    id: chip1
     phase_a:
       voltage:
         name: EMON Line Voltage A
@@ -49,3 +50,11 @@ sensor:
     line_frequency: 60Hz
     current_phases: 3
     gain_pga: 2X
+    enable_offset_calibration: True
+button:
+  - platform: atm90e32
+    id: chip1
+    run_offset_calibration:
+      name: "Chip1 - Run Offset Calibration"
+    clear_offset_calibration:
+      name: "Chip1 - Clear Offset Calibration"

tests/components/atm90e32/test.esp32-idf.yaml

@@ -7,6 +7,7 @@ spi:
 sensor:
   - platform: atm90e32
     cs_pin: 13
+    id: chip1
     phase_a:
       voltage:
         name: EMON Line Voltage A
@@ -49,3 +50,11 @@ sensor:
     line_frequency: 60Hz
     current_phases: 3
     gain_pga: 2X
+    enable_offset_calibration: True
+button:
+  - platform: atm90e32
+    id: chip1
+    run_offset_calibration:
+      name: "Chip1 - Run Offset Calibration"
+    clear_offset_calibration:
+      name: "Chip1 - Clear Offset Calibration"

tests/components/atm90e32/test.esp8266-ard.yaml

@@ -7,6 +7,7 @@ spi:
 sensor:
   - platform: atm90e32
     cs_pin: 5
+    id: chip1
     phase_a:
       voltage:
         name: EMON Line Voltage A
@@ -49,3 +50,42 @@ sensor:
     line_frequency: 60Hz
     current_phases: 3
     gain_pga: 2X
+    enable_offset_calibration: True
+  - platform: atm90e32
+    cs_pin: 4
+    id: chip2
+    phase_a:
+      voltage:
+        name: EMON Line Voltage A
+      current:
+        name: EMON CT1 Current
+      power:
+        name: EMON Active Power CT1
+      reactive_power:
+        name: EMON Reactive Power CT1
+      power_factor:
+        name: EMON Power Factor CT1
+      gain_voltage: 7305
+      gain_ct: 27961
+    phase_c:
+      voltage:
+        name: EMON Line Voltage C
+      current:
+        name: EMON CT2 Current
+      power:
+        name: EMON Active Power CT2
+      reactive_power:
+        name: EMON Reactive Power CT2
+      power_factor:
+        name: EMON Power Factor CT2
+      gain_voltage: 7305
+      gain_ct: 27961
+    line_frequency: 60Hz
+    current_phases: 2
+button:
+  - platform: atm90e32
+    id: chip1
+    run_offset_calibration:
+      name: "Chip1 - Run Offset Calibration"
+    clear_offset_calibration:
+      name: "Chip1 - Clear Offset Calibration"

tests/components/atm90e32/test.rp2040-ard.yaml

@@ -7,6 +7,7 @@ spi:
 sensor:
   - platform: atm90e32
     cs_pin: 5
+    id: chip1
     phase_a:
       voltage:
         name: EMON Line Voltage A
@@ -49,3 +50,11 @@ sensor:
     line_frequency: 60Hz
     current_phases: 3
     gain_pga: 2X
+    enable_offset_calibration: True
+button:
+  - platform: atm90e32
+    id: chip1
+    run_offset_calibration:
+      name: "Chip1 - Run Offset Calibration"
+    clear_offset_calibration:
+      name: "Chip1 - Clear Offset Calibration"