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mcp3008: Tidy up and fix auto load bug (#5842)
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parent
1324d9e39a
commit
15180ee1e2
@ -1,4 +1,6 @@
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#include "mcp3008.h"
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#include "esphome/core/helpers.h"
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#include "esphome/core/log.h"
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namespace esphome {
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@ -32,28 +34,10 @@ float MCP3008::read_data(uint8_t pin) {
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this->disable();
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int data = data_msb << 8 | data_lsb;
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uint16_t data = encode_uint16(data_msb, data_lsb);
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return data / 1023.0f;
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}
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MCP3008Sensor::MCP3008Sensor(MCP3008 *parent, uint8_t pin, float reference_voltage)
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: PollingComponent(1000), parent_(parent), pin_(pin), reference_voltage_(reference_voltage) {}
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float MCP3008Sensor::get_setup_priority() const { return setup_priority::DATA; }
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void MCP3008Sensor::setup() { LOG_SENSOR("", "Setting up MCP3008 Sensor '%s'...", this); }
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void MCP3008Sensor::dump_config() {
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ESP_LOGCONFIG(TAG, "MCP3008Sensor:");
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ESP_LOGCONFIG(TAG, " Pin: %u", this->pin_);
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ESP_LOGCONFIG(TAG, " Reference Voltage: %.2fV", this->reference_voltage_);
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}
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float MCP3008Sensor::sample() {
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float value_v = this->parent_->read_data(pin_);
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value_v = (value_v * this->reference_voltage_);
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return value_v;
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}
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void MCP3008Sensor::update() { this->publish_state(this->sample()); }
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} // namespace mcp3008
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} // namespace esphome
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@ -1,10 +1,8 @@
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#pragma once
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#include "esphome/components/spi/spi.h"
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#include "esphome/core/component.h"
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#include "esphome/core/hal.h"
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#include "esphome/components/sensor/sensor.h"
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#include "esphome/components/spi/spi.h"
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#include "esphome/components/voltage_sampler/voltage_sampler.h"
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namespace esphome {
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namespace mcp3008 {
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@ -14,31 +12,10 @@ class MCP3008 : public Component,
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spi::DATA_RATE_75KHZ> { // Running at the slowest max speed supported by the
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// mcp3008. 2.7v = 75ksps
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public:
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MCP3008() = default;
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void setup() override;
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void dump_config() override;
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float get_setup_priority() const override;
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float read_data(uint8_t pin);
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protected:
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};
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class MCP3008Sensor : public PollingComponent, public sensor::Sensor, public voltage_sampler::VoltageSampler {
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public:
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MCP3008Sensor(MCP3008 *parent, uint8_t pin, float reference_voltage);
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void set_reference_voltage(float reference_voltage) { reference_voltage_ = reference_voltage; }
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void setup() override;
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void update() override;
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void dump_config() override;
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float get_setup_priority() const override;
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float sample() override;
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protected:
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MCP3008 *parent_;
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uint8_t pin_;
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float reference_voltage_;
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};
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} // namespace mcp3008
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@ -1,39 +0,0 @@
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import sensor, voltage_sampler
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from esphome.const import CONF_ID, CONF_NUMBER
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from . import mcp3008_ns, MCP3008
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AUTO_LOAD = ["voltage_sampler"]
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DEPENDENCIES = ["mcp3008"]
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MCP3008Sensor = mcp3008_ns.class_(
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"MCP3008Sensor", sensor.Sensor, cg.PollingComponent, voltage_sampler.VoltageSampler
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)
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CONF_REFERENCE_VOLTAGE = "reference_voltage"
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CONF_MCP3008_ID = "mcp3008_id"
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CONFIG_SCHEMA = (
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sensor.sensor_schema(MCP3008Sensor)
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.extend(
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{
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cv.GenerateID(CONF_MCP3008_ID): cv.use_id(MCP3008),
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cv.Required(CONF_NUMBER): cv.int_,
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cv.Optional(CONF_REFERENCE_VOLTAGE, default="3.3V"): cv.voltage,
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}
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)
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.extend(cv.polling_component_schema("1s"))
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)
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async def to_code(config):
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parent = await cg.get_variable(config[CONF_MCP3008_ID])
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var = cg.new_Pvariable(
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config[CONF_ID],
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parent,
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config[CONF_NUMBER],
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config[CONF_REFERENCE_VOLTAGE],
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)
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await cg.register_component(var, config)
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await sensor.register_sensor(var, config)
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53
esphome/components/mcp3008/sensor/__init__.py
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53
esphome/components/mcp3008/sensor/__init__.py
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@ -0,0 +1,53 @@
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import sensor, voltage_sampler
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from esphome.const import (
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CONF_ID,
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CONF_NUMBER,
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UNIT_VOLT,
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STATE_CLASS_MEASUREMENT,
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DEVICE_CLASS_VOLTAGE,
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)
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from .. import mcp3008_ns, MCP3008
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AUTO_LOAD = ["voltage_sampler"]
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DEPENDENCIES = ["mcp3008"]
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MCP3008Sensor = mcp3008_ns.class_(
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"MCP3008Sensor",
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sensor.Sensor,
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cg.PollingComponent,
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voltage_sampler.VoltageSampler,
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cg.Parented.template(MCP3008),
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)
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CONF_REFERENCE_VOLTAGE = "reference_voltage"
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CONF_MCP3008_ID = "mcp3008_id"
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CONFIG_SCHEMA = (
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sensor.sensor_schema(
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MCP3008Sensor,
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unit_of_measurement=UNIT_VOLT,
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state_class=STATE_CLASS_MEASUREMENT,
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device_class=DEVICE_CLASS_VOLTAGE,
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)
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.extend(
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{
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cv.GenerateID(CONF_MCP3008_ID): cv.use_id(MCP3008),
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cv.Required(CONF_NUMBER): cv.int_,
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cv.Optional(CONF_REFERENCE_VOLTAGE, default="3.3V"): cv.voltage,
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}
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)
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.extend(cv.polling_component_schema("60s"))
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)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_parented(var, config[CONF_MCP3008_ID])
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await cg.register_component(var, config)
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await sensor.register_sensor(var, config)
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cg.add(var.set_pin(config[CONF_NUMBER]))
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cg.add(var.set_reference_voltage(config[CONF_REFERENCE_VOLTAGE]))
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27
esphome/components/mcp3008/sensor/mcp3008_sensor.cpp
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27
esphome/components/mcp3008/sensor/mcp3008_sensor.cpp
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@ -0,0 +1,27 @@
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#include "mcp3008_sensor.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace mcp3008 {
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static const char *const TAG = "mcp3008.sensor";
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float MCP3008Sensor::get_setup_priority() const { return setup_priority::DATA; }
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void MCP3008Sensor::dump_config() {
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ESP_LOGCONFIG(TAG, "MCP3008Sensor:");
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ESP_LOGCONFIG(TAG, " Pin: %u", this->pin_);
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ESP_LOGCONFIG(TAG, " Reference Voltage: %.2fV", this->reference_voltage_);
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}
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float MCP3008Sensor::sample() {
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float value_v = this->parent_->read_data(pin_);
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value_v = (value_v * this->reference_voltage_);
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return value_v;
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}
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void MCP3008Sensor::update() { this->publish_state(this->sample()); }
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} // namespace mcp3008
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} // namespace esphome
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31
esphome/components/mcp3008/sensor/mcp3008_sensor.h
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31
esphome/components/mcp3008/sensor/mcp3008_sensor.h
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@ -0,0 +1,31 @@
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#pragma once
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#include "esphome/components/sensor/sensor.h"
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#include "esphome/components/voltage_sampler/voltage_sampler.h"
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#include "esphome/core/component.h"
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#include "../mcp3008.h"
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namespace esphome {
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namespace mcp3008 {
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class MCP3008Sensor : public PollingComponent,
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public sensor::Sensor,
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public voltage_sampler::VoltageSampler,
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public Parented<MCP3008> {
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public:
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void set_reference_voltage(float reference_voltage) { this->reference_voltage_ = reference_voltage; }
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void set_pin(uint8_t pin) { this->pin_ = pin; }
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void update() override;
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void dump_config() override;
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float get_setup_priority() const override;
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float sample() override;
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protected:
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uint8_t pin_;
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float reference_voltage_;
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};
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} // namespace mcp3008
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} // namespace esphome
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