Add support for AT581x component (#6297)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

CODEOWNERS

@@ -42,6 +42,7 @@ esphome/components/as5600/* @ammmze
 esphome/components/as5600/sensor/* @ammmze
 esphome/components/as7341/* @mrgnr
 esphome/components/async_tcp/* @OttoWinter
+esphome/components/at581x/* @X-Ryl669
 esphome/components/atc_mithermometer/* @ahpohl
 esphome/components/atm90e26/* @danieltwagner
 esphome/components/b_parasite/* @rbaron

esphome/components/at581x/__init__.py

@@ -0,0 +1,224 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome import automation, core
+from esphome.components import i2c
+from esphome.automation import maybe_simple_id
+from esphome.const import (
+    CONF_ID,
+    CONF_FREQUENCY,
+)
+
+
+CODEOWNERS = ["@X-Ryl669"]
+DEPENDENCIES = ["i2c"]
+MULTI_CONF = True
+
+
+at581x_ns = cg.esphome_ns.namespace("at581x")
+AT581XComponent = at581x_ns.class_("AT581XComponent", cg.Component, i2c.I2CDevice)
+
+
+CONF_AT581X_ID = "at581x_id"
+
+
+CONF_SENSING_DISTANCE = "sensing_distance"
+CONF_SENSITIVITY = "sensitivity"
+CONF_POWERON_SELFCHECK_TIME = "poweron_selfcheck_time"
+CONF_PROTECT_TIME = "protect_time"
+CONF_TRIGGER_BASE = "trigger_base"
+CONF_TRIGGER_KEEP = "trigger_keep"
+CONF_STAGE_GAIN = "stage_gain"
+CONF_POWER_CONSUMPTION = "power_consumption"
+CONF_HW_FRONTEND_RESET = "hw_frontend_reset"
+
+RADAR_ALLOWED_FREQ = [
+    5696e6,
+    5715e6,
+    5730e6,
+    5748e6,
+    5765e6,
+    5784e6,
+    5800e6,
+    5819e6,
+    5836e6,
+    5851e6,
+    5869e6,
+    5888e6,
+]
+RADAR_ALLOWED_CUR_CONSUMPTION = [
+    48e-6,
+    56e-6,
+    63e-6,
+    70e-6,
+    77e-6,
+    91e-6,
+    105e-6,
+    115e-6,
+    40e-6,
+    44e-6,
+    47e-6,
+    51e-6,
+    54e-6,
+    61e-6,
+    68e-6,
+    78e-6,
+]
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(AT581XComponent),
+    }
+)
+
+CONFIG_SCHEMA = cv.All(
+    CONFIG_SCHEMA.extend(i2c.i2c_device_schema(0x28)).extend(cv.COMPONENT_SCHEMA)
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await i2c.register_i2c_device(var, config)
+
+
+# Actions
+AT581XResetAction = at581x_ns.class_("AT581XResetAction", automation.Action)
+AT581XSettingsAction = at581x_ns.class_("AT581XSettingsAction", automation.Action)
+
+
+@automation.register_action(
+    "at581x.reset",
+    AT581XResetAction,
+    maybe_simple_id(
+        {
+            cv.Required(CONF_ID): cv.use_id(AT581XComponent),
+        }
+    ),
+)
+async def at581x_reset_to_code(config, action_id, template_arg, args):
+    var = cg.new_Pvariable(action_id, template_arg)
+    await cg.register_parented(var, config[CONF_ID])
+
+    return var
+
+
+RADAR_SETTINGS_SCHEMA = cv.Schema(
+    {
+        cv.Required(CONF_ID): cv.use_id(AT581XComponent),
+        cv.Optional(CONF_HW_FRONTEND_RESET): cv.templatable(cv.boolean),
+        cv.Optional(CONF_FREQUENCY, default="5800MHz"): cv.templatable(
+            cv.All(cv.frequency, cv.one_of(*RADAR_ALLOWED_FREQ))
+        ),
+        cv.Optional(CONF_SENSING_DISTANCE, default=823): cv.templatable(
+            cv.int_range(min=0, max=1023)
+        ),
+        cv.Optional(CONF_POWERON_SELFCHECK_TIME, default="2000ms"): cv.templatable(
+            cv.All(
+                cv.positive_time_period_milliseconds,
+                cv.Range(max=core.TimePeriod(milliseconds=65535)),
+            )
+        ),
+        cv.Optional(CONF_POWER_CONSUMPTION, default="70uA"): cv.templatable(
+            cv.All(cv.current, cv.one_of(*RADAR_ALLOWED_CUR_CONSUMPTION))
+        ),
+        cv.Optional(CONF_PROTECT_TIME, default="1000ms"): cv.templatable(
+            cv.All(
+                cv.positive_time_period_milliseconds,
+                cv.Range(
+                    min=core.TimePeriod(milliseconds=1),
+                    max=core.TimePeriod(milliseconds=65535),
+                ),
+            )
+        ),
+        cv.Optional(CONF_TRIGGER_BASE, default="500ms"): cv.templatable(
+            cv.All(
+                cv.positive_time_period_milliseconds,
+                cv.Range(
+                    min=core.TimePeriod(milliseconds=1),
+                    max=core.TimePeriod(milliseconds=65535),
+                ),
+            )
+        ),
+        cv.Optional(CONF_TRIGGER_KEEP, default="1500ms"): cv.templatable(
+            cv.All(
+                cv.positive_time_period_milliseconds,
+                cv.Range(
+                    min=core.TimePeriod(milliseconds=1),
+                    max=core.TimePeriod(milliseconds=65535),
+                ),
+            )
+        ),
+        cv.Optional(CONF_STAGE_GAIN, default=3): cv.templatable(
+            cv.int_range(min=0, max=12)
+        ),
+    }
+).add_extra(
+    cv.has_at_least_one_key(
+        CONF_HW_FRONTEND_RESET,
+        CONF_FREQUENCY,
+        CONF_SENSING_DISTANCE,
+    )
+)
+
+
+@automation.register_action(
+    "at581x.settings",
+    AT581XSettingsAction,
+    RADAR_SETTINGS_SCHEMA,
+)
+async def at581x_settings_to_code(config, action_id, template_arg, args):
+    var = cg.new_Pvariable(action_id, template_arg)
+    await cg.register_parented(var, config[CONF_ID])
+
+    # Radar configuration
+    if frontend_reset := config.get(CONF_HW_FRONTEND_RESET):
+        template_ = await cg.templatable(frontend_reset, args, int)
+        cg.add(var.set_hw_frontend_reset(template_))
+
+    if freq := config.get(CONF_FREQUENCY):
+        template_ = await cg.templatable(freq, args, float)
+        template_ = int(template_ / 1000000)
+        cg.add(var.set_frequency(template_))
+
+    if sens_dist := config.get(CONF_SENSING_DISTANCE):
+        template_ = await cg.templatable(sens_dist, args, int)
+        cg.add(var.set_sensing_distance(template_))
+
+    if selfcheck := config.get(CONF_POWERON_SELFCHECK_TIME):
+        template_ = await cg.templatable(selfcheck, args, float)
+        if isinstance(template_, cv.TimePeriod):
+            template_ = template_.total_milliseconds
+        template_ = int(template_)
+        cg.add(var.set_poweron_selfcheck_time(template_))
+
+    if protect := config.get(CONF_PROTECT_TIME):
+        template_ = await cg.templatable(protect, args, float)
+        if isinstance(template_, cv.TimePeriod):
+            template_ = template_.total_milliseconds
+        template_ = int(template_)
+        cg.add(var.set_protect_time(template_))
+
+    if trig_base := config.get(CONF_TRIGGER_BASE):
+        template_ = await cg.templatable(trig_base, args, float)
+        if isinstance(template_, cv.TimePeriod):
+            template_ = template_.total_milliseconds
+        template_ = int(template_)
+        cg.add(var.set_trigger_base(template_))
+
+    if trig_keep := config.get(CONF_TRIGGER_KEEP):
+        template_ = await cg.templatable(trig_keep, args, float)
+        if isinstance(template_, cv.TimePeriod):
+            template_ = template_.total_milliseconds
+        template_ = int(template_)
+        cg.add(var.set_trigger_keep(template_))
+
+    if stage_gain := config.get(CONF_STAGE_GAIN):
+        template_ = await cg.templatable(stage_gain, args, int)
+        cg.add(var.set_stage_gain(template_))
+
+    if power := config.get(CONF_POWER_CONSUMPTION):
+        template_ = await cg.templatable(power, args, float)
+        template_ = int(template_ * 1000000)
+        cg.add(var.set_power_consumption(template_))
+
+    return var

esphome/components/at581x/at581x.cpp

@@ -0,0 +1,195 @@
+#include "at581x.h"
+#include "esphome/core/log.h"
+
+/* Select gain for AT581X (3dB per step for level1, 6dB per step for level 2), high value = small gain. (p12) */
+const uint8_t GAIN_ADDR_TABLE[] = {0x5c, 0x63};
+const uint8_t GAIN5C_TABLE[] = {0x08, 0x18, 0x28, 0x38, 0x48, 0x58, 0x68, 0x78, 0x88, 0x98, 0xa8, 0xb8, 0xc8};
+const uint8_t GAIN63_TABLE[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06};
+const uint8_t GAIN61_VALUE = 0xCA;  // 0xC0 | 0x02 (freq present) | 0x08 (gain present)
+
+/*!< Power consumption configuration table (p12). */
+const uint8_t POWER_TABLE[] = {48, 56, 63, 70, 77, 91, 105, 115, 40, 44, 47, 51, 54, 61, 68, 78};
+const uint8_t POWER67_TABLE[] = {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7};
+const uint8_t POWER68_TABLE[] = {0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8,
+                                 24,  24,  24,  24,  24,  24,  24,  24};  // See Page 12, shift by 3 bits
+
+/*!< Frequency Configuration table (p14/15 of datasheet). */
+const uint8_t FREQ_ADDR = 0x61;
+const uint16_t FREQ_TABLE[] = {5696, 5715, 5730, 5748, 5765, 5784, 5800, 5819, 5836, 5851, 5869, 5888};
+const uint8_t FREQ5F_TABLE[] = {0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x40, 0x41, 0x42, 0x43};
+const uint8_t FREQ60_TABLE[] = {0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9e, 0x9e, 0x9e, 0x9e};
+
+/*!< Value for RF and analog modules switch (p10). */
+const uint8_t RF_OFF_TABLE[] = {0x46, 0xaa, 0x50};
+const uint8_t RF_ON_TABLE[] = {0x45, 0x55, 0xA0};
+const uint8_t RF_REG_ADDR[] = {0x5d, 0x62, 0x51};
+
+/*!< Registers of Lighting delay time. Unit: ms, min 2s (p8) */
+const uint8_t HIGH_LEVEL_DELAY_CONTROL_ADDR = 0x41; /*!< Time_flag_out_ctrl 0x01 */
+const uint8_t HIGH_LEVEL_DELAY_VALUE_ADDR = 0x42;   /*!< Time_flag_out_1 Bit<7:0> */
+
+const uint8_t RESET_ADDR = 0x00;
+
+/*!< Sensing distance address */
+const uint8_t SIGNAL_DETECTION_THRESHOLD_ADDR_LO = 0x10;
+const uint8_t SIGNAL_DETECTION_THRESHOLD_ADDR_HI = 0x11;
+
+/*!< Bit field value for power registers */
+const uint8_t POWER_THRESHOLD_ADDR_HI = 0x68;
+const uint8_t POWER_THRESHOLD_ADDR_LO = 0x67;
+const uint8_t PWR_WORK_TIME_EN = 8;     // Reg 0x67
+const uint8_t PWR_BURST_TIME_EN = 32;   // Reg 0x68
+const uint8_t PWR_THRESH_EN = 64;       // Reg 0x68
+const uint8_t PWR_THRESH_VAL_EN = 128;  // Reg 0x67
+
+/*!< Times */
+const uint8_t TRIGGER_BASE_TIME_ADDR = 0x3D;  // 4 bytes, so up to 0x40
+const uint8_t PROTECT_TIME_ADDR = 0x4E;       // 2 bytes, up to 0x4F
+const uint8_t TRIGGER_KEEP_TIME_ADDR = 0x42;  // 4 bytes, so up to 0x45
+const uint8_t TIME41_VALUE = 1;
+const uint8_t SELF_CHECK_TIME_ADDR = 0x38;  // 2 bytes, up to 0x39
+
+namespace esphome {
+namespace at581x {
+
+static const char *const TAG = "at581x";
+
+bool AT581XComponent::i2c_write_reg(uint8_t addr, uint8_t data) {
+  return this->write_register(addr, &data, 1) == esphome::i2c::NO_ERROR;
+}
+bool AT581XComponent::i2c_write_reg(uint8_t addr, uint32_t data) {
+  return this->i2c_write_reg(addr + 0, uint8_t(data & 0xFF)) &&
+         this->i2c_write_reg(addr + 1, uint8_t((data >> 8) & 0xFF)) &&
+         this->i2c_write_reg(addr + 2, uint8_t((data >> 16) & 0xFF)) &&
+         this->i2c_write_reg(addr + 3, uint8_t((data >> 24) & 0xFF));
+}
+bool AT581XComponent::i2c_write_reg(uint8_t addr, uint16_t data) {
+  return this->i2c_write_reg(addr, uint8_t(data & 0xFF)) && this->i2c_write_reg(addr + 1, uint8_t((data >> 8) & 0xFF));
+}
+
+bool AT581XComponent::i2c_read_reg(uint8_t addr, uint8_t &data) {
+  return this->read_register(addr, &data, 1) == esphome::i2c::NO_ERROR;
+}
+
+void AT581XComponent::setup() { ESP_LOGCONFIG(TAG, "Setting up AT581X..."); }
+void AT581XComponent::dump_config() { LOG_I2C_DEVICE(this); }
+#define ARRAY_SIZE(X) (sizeof(X) / sizeof((X)[0]))
+bool AT581XComponent::i2c_write_config() {
+  ESP_LOGCONFIG(TAG, "Writing new config for AT581X...");
+  ESP_LOGCONFIG(TAG, "Frequency: %dMHz", this->freq_);
+  ESP_LOGCONFIG(TAG, "Sensing distance: %d", this->delta_);
+  ESP_LOGCONFIG(TAG, "Power: %dµA", this->power_);
+  ESP_LOGCONFIG(TAG, "Gain: %d", this->gain_);
+  ESP_LOGCONFIG(TAG, "Trigger base time: %dms", this->trigger_base_time_ms_);
+  ESP_LOGCONFIG(TAG, "Trigger keep time: %dms", this->trigger_keep_time_ms_);
+  ESP_LOGCONFIG(TAG, "Protect time: %dms", this->protect_time_ms_);
+  ESP_LOGCONFIG(TAG, "Self check time: %dms", this->self_check_time_ms_);
+
+  // Set frequency point
+  if (!this->i2c_write_reg(FREQ_ADDR, GAIN61_VALUE)) {
+    ESP_LOGE(TAG, "Failed to write AT581X Freq mode");
+    return false;
+  }
+  // Find the current frequency from the table to know what value to write
+  for (size_t i = 0; i < ARRAY_SIZE(FREQ_TABLE) + 1; i++) {
+    if (i == ARRAY_SIZE(FREQ_TABLE)) {
+      ESP_LOGE(TAG, "Set frequency not found");
+      return false;
+    }
+    if (FREQ_TABLE[i] == this->freq_) {
+      if (!this->i2c_write_reg(0x5F, FREQ5F_TABLE[i]) || !this->i2c_write_reg(0x60, FREQ60_TABLE[i])) {
+        ESP_LOGE(TAG, "Failed to write AT581X Freq value");
+        return false;
+      }
+      break;
+    }
+  }
+
+  // Set distance
+  if (!this->i2c_write_reg(SIGNAL_DETECTION_THRESHOLD_ADDR_LO, (uint8_t) (this->delta_ & 0xFF)) ||
+      !this->i2c_write_reg(SIGNAL_DETECTION_THRESHOLD_ADDR_HI, (uint8_t) (this->delta_ >> 8))) {
+    ESP_LOGE(TAG, "Failed to write AT581X sensing distance low");
+    return false;
+  }
+
+  // Set power setting
+  uint8_t pwr67 = PWR_THRESH_VAL_EN | PWR_WORK_TIME_EN, pwr68 = PWR_BURST_TIME_EN | PWR_THRESH_EN;
+  for (size_t i = 0; i < ARRAY_SIZE(POWER_TABLE) + 1; i++) {
+    if (i == ARRAY_SIZE(POWER_TABLE)) {
+      ESP_LOGE(TAG, "Set power not found");
+      return false;
+    }
+    if (POWER_TABLE[i] == this->power_) {
+      pwr67 |= POWER67_TABLE[i];
+      pwr68 |= POWER68_TABLE[i];  // See Page 12
+      break;
+    }
+  }
+
+  if (!this->i2c_write_reg(POWER_THRESHOLD_ADDR_LO, pwr67) || !this->i2c_write_reg(POWER_THRESHOLD_ADDR_HI, pwr68)) {
+    ESP_LOGE(TAG, "Failed to write AT581X power registers");
+    return false;
+  }
+
+  // Set gain
+  if (!this->i2c_write_reg(GAIN_ADDR_TABLE[0], GAIN5C_TABLE[this->gain_]) ||
+      !this->i2c_write_reg(GAIN_ADDR_TABLE[1], GAIN63_TABLE[this->gain_ >> 1])) {
+    ESP_LOGE(TAG, "Failed to write AT581X gain registers");
+    return false;
+  }
+
+  // Set times
+  if (!this->i2c_write_reg(TRIGGER_BASE_TIME_ADDR, (uint32_t) this->trigger_base_time_ms_)) {
+    ESP_LOGE(TAG, "Failed to write AT581X trigger base time registers");
+    return false;
+  }
+  if (!this->i2c_write_reg(TRIGGER_KEEP_TIME_ADDR, (uint32_t) this->trigger_keep_time_ms_)) {
+    ESP_LOGE(TAG, "Failed to write AT581X trigger keep time registers");
+    return false;
+  }
+
+  if (!this->i2c_write_reg(PROTECT_TIME_ADDR, (uint16_t) this->protect_time_ms_)) {
+    ESP_LOGE(TAG, "Failed to write AT581X protect time registers");
+    return false;
+  }
+  if (!this->i2c_write_reg(SELF_CHECK_TIME_ADDR, (uint16_t) this->self_check_time_ms_)) {
+    ESP_LOGE(TAG, "Failed to write AT581X self check time registers");
+    return false;
+  }
+
+  if (!this->i2c_write_reg(0x41, TIME41_VALUE)) {
+    ESP_LOGE(TAG, "Failed to enable AT581X time registers");
+    return false;
+  }
+
+  // Don't know why it's required in other code, it's not in datasheet
+  if (!this->i2c_write_reg(0x55, (uint8_t) 0x04)) {
+    ESP_LOGE(TAG, "Failed to enable AT581X");
+    return false;
+  }
+
+  // Ok, config is written, let's reset the chip so it's using the new config
+  return this->reset_hardware_frontend();
+}
+
+// float AT581XComponent::get_setup_priority() const { return 0; }
+bool AT581XComponent::reset_hardware_frontend() {
+  if (!this->i2c_write_reg(RESET_ADDR, (uint8_t) 0) || !this->i2c_write_reg(RESET_ADDR, (uint8_t) 1)) {
+    ESP_LOGE(TAG, "Failed to reset AT581X hardware frontend");
+    return false;
+  }
+  return true;
+}
+
+void AT581XComponent::set_rf_mode(bool enable) {
+  const uint8_t *p = enable ? &RF_ON_TABLE[0] : &RF_OFF_TABLE[0];
+  for (size_t i = 0; i < ARRAY_SIZE(RF_REG_ADDR); i++) {
+    if (!this->i2c_write_reg(RF_REG_ADDR[i], p[i])) {
+      ESP_LOGE(TAG, "Failed to write AT581X RF mode");
+      return;
+    }
+  }
+}
+
+}  // namespace at581x
+}  // namespace esphome

esphome/components/at581x/at581x.h

@@ -0,0 +1,62 @@
+#pragma once
+
+#include <utility>
+
+#include "esphome/core/component.h"
+#include "esphome/core/hal.h"
+#include "esphome/core/defines.h"
+#ifdef USE_SWITCH
+#include "esphome/components/switch/switch.h"
+#endif
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome {
+namespace at581x {
+
+class AT581XComponent : public Component, public i2c::I2CDevice {
+#ifdef USE_SWITCH
+ protected:
+  switch_::Switch *rf_power_switch_{nullptr};
+
+ public:
+  void set_rf_power_switch(switch_::Switch *s) {
+    this->rf_power_switch_ = s;
+    s->turn_on();
+  }
+#endif
+
+  void setup() override;
+  void dump_config() override;
+  //  float get_setup_priority() const override;
+
+  void set_sensing_distance(int distance) { this->delta_ = 1023 - distance; }
+
+  void set_rf_mode(bool enabled);
+  void set_frequency(int frequency) { this->freq_ = frequency; }
+  void set_poweron_selfcheck_time(int value) { this->self_check_time_ms_ = value; }
+  void set_protect_time(int value) { this->protect_time_ms_ = value; }
+  void set_trigger_base(int value) { this->trigger_base_time_ms_ = value; }
+  void set_trigger_keep(int value) { this->trigger_keep_time_ms_ = value; }
+  void set_stage_gain(int value) { this->gain_ = value; }
+  void set_power_consumption(int value) { this->power_ = value; }
+
+  bool i2c_write_config();
+  bool reset_hardware_frontend();
+  bool i2c_write_reg(uint8_t addr, uint8_t data);
+  bool i2c_write_reg(uint8_t addr, uint32_t data);
+  bool i2c_write_reg(uint8_t addr, uint16_t data);
+  bool i2c_read_reg(uint8_t addr, uint8_t &data);
+
+ protected:
+  int freq_;
+  int self_check_time_ms_;   /*!< Power-on self-test time, range: 0 ~ 65536 ms */
+  int protect_time_ms_;      /*!< Protection time, recommended 1000 ms */
+  int trigger_base_time_ms_; /*!< Default: 500 ms */
+  int trigger_keep_time_ms_; /*!< Total trig time = TRIGGER_BASE_TIME + DEF_TRIGGER_KEEP_TIME, minimum: 1 */
+  int delta_;                /*!< Delta value: 0 ~ 1023, the larger the value, the shorter the distance */
+  int gain_;                 /*!< Default: 9dB */
+  int power_;                /*!< In µA */
+};
+
+}  // namespace at581x
+}  // namespace esphome

esphome/components/at581x/automation.h

@@ -0,0 +1,71 @@
+#pragma once
+
+#include "esphome/core/automation.h"
+#include "esphome/core/helpers.h"
+
+#include "at581x.h"
+
+namespace esphome {
+namespace at581x {
+
+template<typename... Ts> class AT581XResetAction : public Action<Ts...>, public Parented<AT581XComponent> {
+ public:
+  void play(Ts... x) { this->parent_->reset_hardware_frontend(); }
+};
+
+template<typename... Ts> class AT581XSettingsAction : public Action<Ts...>, public Parented<AT581XComponent> {
+ public:
+  TEMPLATABLE_VALUE(int8_t, hw_frontend_reset)
+  TEMPLATABLE_VALUE(int, frequency)
+  TEMPLATABLE_VALUE(int, sensing_distance)
+  TEMPLATABLE_VALUE(int, poweron_selfcheck_time)
+  TEMPLATABLE_VALUE(int, power_consumption)
+  TEMPLATABLE_VALUE(int, protect_time)
+  TEMPLATABLE_VALUE(int, trigger_base)
+  TEMPLATABLE_VALUE(int, trigger_keep)
+  TEMPLATABLE_VALUE(int, stage_gain)
+
+  void play(Ts... x) {
+    if (this->frequency_.has_value()) {
+      int v = this->frequency_.value(x...);
+      this->parent_->set_frequency(v);
+    }
+    if (this->sensing_distance_.has_value()) {
+      int v = this->sensing_distance_.value(x...);
+      this->parent_->set_sensing_distance(v);
+    }
+    if (this->poweron_selfcheck_time_.has_value()) {
+      int v = this->poweron_selfcheck_time_.value(x...);
+      this->parent_->set_poweron_selfcheck_time(v);
+    }
+    if (this->power_consumption_.has_value()) {
+      int v = this->power_consumption_.value(x...);
+      this->parent_->set_power_consumption(v);
+    }
+    if (this->protect_time_.has_value()) {
+      int v = this->protect_time_.value(x...);
+      this->parent_->set_protect_time(v);
+    }
+    if (this->trigger_base_.has_value()) {
+      int v = this->trigger_base_.value(x...);
+      this->parent_->set_trigger_base(v);
+    }
+    if (this->trigger_keep_.has_value()) {
+      int v = this->trigger_keep_.value(x...);
+      this->parent_->set_trigger_keep(v);
+    }
+    if (this->stage_gain_.has_value()) {
+      int v = this->stage_gain_.value(x...);
+      this->parent_->set_stage_gain(v);
+    }
+
+    // This actually perform all the modification on the system
+    this->parent_->i2c_write_config();
+
+    if (this->hw_frontend_reset_.has_value() && this->hw_frontend_reset_.value(x...) == true) {
+      this->parent_->reset_hardware_frontend();
+    }
+  }
+};
+}  // namespace at581x
+}  // namespace esphome

esphome/components/at581x/switch/__init__.py

@@ -0,0 +1,31 @@
+import esphome.codegen as cg
+from esphome.components import switch
+import esphome.config_validation as cv
+from esphome.const import (
+    DEVICE_CLASS_SWITCH,
+    ICON_WIFI,
+)
+from .. import CONF_AT581X_ID, AT581XComponent, at581x_ns
+
+DEPENDENCIES = ["at581x"]
+
+RFSwitch = at581x_ns.class_("RFSwitch", switch.Switch)
+
+CONFIG_SCHEMA = switch.switch_schema(
+    RFSwitch,
+    device_class=DEVICE_CLASS_SWITCH,
+    icon=ICON_WIFI,
+).extend(
+    cv.Schema(
+        {
+            cv.GenerateID(CONF_AT581X_ID): cv.use_id(AT581XComponent),
+        }
+    )
+)
+
+
+async def to_code(config):
+    at581x_component = await cg.get_variable(config[CONF_AT581X_ID])
+    s = await switch.new_switch(config)
+    await cg.register_parented(s, config[CONF_AT581X_ID])
+    cg.add(at581x_component.set_rf_power_switch(s))

esphome/components/at581x/switch/rf_switch.cpp

@@ -0,0 +1,12 @@
+#include "rf_switch.h"
+
+namespace esphome {
+namespace at581x {
+
+void RFSwitch::write_state(bool state) {
+  this->publish_state(state);
+  this->parent_->set_rf_mode(state);
+}
+
+}  // namespace at581x
+}  // namespace esphome

esphome/components/at581x/switch/rf_switch.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "esphome/components/switch/switch.h"
+#include "../at581x.h"
+
+namespace esphome {
+namespace at581x {
+
+class RFSwitch : public switch_::Switch, public Parented<AT581XComponent> {
+ protected:
+  void write_state(bool state) override;
+};
+
+}  // namespace at581x
+}  // namespace esphome

tests/components/at581x/test.esp32-c3-idf.yaml

@@ -0,0 +1,38 @@
+esphome:
+  on_boot:
+    then:
+      - at581x.settings:
+          id: "Waveradar"
+          hw_frontend_reset: false
+          frequency: 5800MHz
+          sensing_distance: 200
+          poweron_selfcheck_time: 2s
+          protect_time: 1s
+          trigger_base: 500ms
+          trigger_keep: 10s
+          stage_gain: 3
+          power_consumption: 70uA
+      - at581x.reset:
+          id: "Waveradar"
+
+at581x:
+  id: "Waveradar"
+  i2c_id: i2c_bus
+
+i2c:
+  sda: 8
+  scl: 9
+  scan: true
+  frequency: 100kHz
+  setup_priority: -100
+  id: i2c_bus
+
+binary_sensor:
+  - platform: gpio
+    pin: GPIO21
+    name: "Radar motion"
+
+switch:
+  - platform: at581x
+    at581x_id: "Waveradar"
+    name: "Enable Radar"

tests/components/at581x/test.esp32-c3.yaml

@@ -0,0 +1,38 @@
+esphome:
+  on_boot:
+    then:
+      - at581x.settings:
+          id: "Waveradar"
+          hw_frontend_reset: false
+          frequency: 5800MHz
+          sensing_distance: 200
+          poweron_selfcheck_time: 2s
+          protect_time: 1s
+          trigger_base: 500ms
+          trigger_keep: 10s
+          stage_gain: 3
+          power_consumption: 70uA
+      - at581x.reset:
+          id: "Waveradar"
+
+at581x:
+  id: "Waveradar"
+  i2c_id: i2c_bus
+
+i2c:
+  sda: 8
+  scl: 9
+  scan: true
+  frequency: 100kHz
+  setup_priority: -100
+  id: i2c_bus
+
+binary_sensor:
+  - platform: gpio
+    pin: GPIO21
+    name: "Radar motion"
+
+switch:
+  - platform: at581x
+    at581x_id: "Waveradar"
+    name: "Enable Radar"

tests/components/at581x/test.esp32-idf.yaml

@@ -0,0 +1,38 @@
+esphome:
+  on_boot:
+    then:
+      - at581x.settings:
+          id: "Waveradar"
+          hw_frontend_reset: false
+          frequency: 5800MHz
+          sensing_distance: 200
+          poweron_selfcheck_time: 2s
+          protect_time: 1s
+          trigger_base: 500ms
+          trigger_keep: 10s
+          stage_gain: 3
+          power_consumption: 70uA
+      - at581x.reset:
+          id: "Waveradar"
+
+at581x:
+  id: "Waveradar"
+  i2c_id: i2c_bus
+
+i2c:
+  sda: 14
+  scl: 15
+  scan: true
+  frequency: 100kHz
+  setup_priority: -100
+  id: i2c_bus
+
+binary_sensor:
+  - platform: gpio
+    pin: GPIO21
+    name: "Radar motion"
+
+switch:
+  - platform: at581x
+    at581x_id: "Waveradar"
+    name: "Enable Radar"

tests/components/at581x/test.esp32.yaml

@@ -0,0 +1,38 @@
+esphome:
+  on_boot:
+    then:
+      - at581x.settings:
+          id: "Waveradar"
+          hw_frontend_reset: false
+          frequency: 5800MHz
+          sensing_distance: 200
+          poweron_selfcheck_time: 2s
+          protect_time: 1s
+          trigger_base: 500ms
+          trigger_keep: 10s
+          stage_gain: 3
+          power_consumption: 70uA
+      - at581x.reset:
+          id: "Waveradar"
+
+at581x:
+  id: "Waveradar"
+  i2c_id: i2c_bus
+
+i2c:
+  sda: 14
+  scl: 15
+  scan: true
+  frequency: 100kHz
+  setup_priority: -100
+  id: i2c_bus
+
+binary_sensor:
+  - platform: gpio
+    pin: GPIO21
+    name: "Radar motion"
+
+switch:
+  - platform: at581x
+    at581x_id: "Waveradar"
+    name: "Enable Radar"

tests/components/at581x/test.esp8266.yaml

@@ -0,0 +1,38 @@
+esphome:
+  on_boot:
+    then:
+      - at581x.settings:
+          id: "Waveradar"
+          hw_frontend_reset: false
+          frequency: 5800MHz
+          sensing_distance: 200
+          poweron_selfcheck_time: 2s
+          protect_time: 1s
+          trigger_base: 500ms
+          trigger_keep: 10s
+          stage_gain: 3
+          power_consumption: 70uA
+      - at581x.reset:
+          id: "Waveradar"
+
+at581x:
+  id: "Waveradar"
+  i2c_id: i2c_bus
+
+i2c:
+  sda: 14
+  scl: 15
+  scan: true
+  frequency: 100kHz
+  setup_priority: -100
+  id: i2c_bus
+
+binary_sensor:
+  - platform: gpio
+    pin: GPIO4
+    name: "Radar motion"
+
+switch:
+  - platform: at581x
+    at581x_id: "Waveradar"
+    name: "Enable Radar"

tests/components/at581x/test.rp2040.yaml

@@ -0,0 +1,38 @@
+esphome:
+  on_boot:
+    then:
+      - at581x.settings:
+          id: "Waveradar"
+          hw_frontend_reset: false
+          frequency: 5800MHz
+          sensing_distance: 200
+          poweron_selfcheck_time: 2s
+          protect_time: 1s
+          trigger_base: 500ms
+          trigger_keep: 10s
+          stage_gain: 3
+          power_consumption: 70uA
+      - at581x.reset:
+          id: "Waveradar"
+
+at581x:
+  id: "Waveradar"
+  i2c_id: i2c_bus
+
+i2c:
+  sda: 8
+  scl: 9
+  scan: true
+  frequency: 100kHz
+  setup_priority: -100
+  id: i2c_bus
+
+binary_sensor:
+  - platform: gpio
+    pin: GPIO21
+    name: "Radar motion"
+
+switch:
+  - platform: at581x
+    at581x_id: "Waveradar"
+    name: "Enable Radar"