mirror of
https://github.com/esphome/esphome.git
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Add tca9555 GPIO driver (#7146)
Co-authored-by: Michal Obrembski <michal@obrembski.com> Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
parent
6d24e9ebb5
commit
fb7e7eb80b
12 changed files with 477 additions and 0 deletions
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@ -398,6 +398,7 @@ esphome/components/sun_gtil2/* @Mat931
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esphome/components/switch/* @esphome/core
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esphome/components/t6615/* @tylermenezes
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esphome/components/tca9548a/* @andreashergert1984
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esphome/components/tca9555/* @mobrembski
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esphome/components/tcl112/* @glmnet
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esphome/components/tee501/* @Stock-M
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esphome/components/teleinfo/* @0hax
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0
esphome/components/gpio_expander/__init__.py
Normal file
0
esphome/components/gpio_expander/__init__.py
Normal file
38
esphome/components/gpio_expander/cached_gpio.h
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38
esphome/components/gpio_expander/cached_gpio.h
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@ -0,0 +1,38 @@
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#pragma once
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#include <array>
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#include <cstdint>
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#include "esphome/core/hal.h"
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namespace esphome {
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namespace gpio_expander {
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/// @brief A class to cache the read state of a GPIO expander.
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template<typename T, T N> class CachedGpioExpander {
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public:
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bool digital_read(T pin) {
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if (!this->read_cache_invalidated_[pin]) {
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this->read_cache_invalidated_[pin] = true;
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return this->digital_read_cache(pin);
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}
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return this->digital_read_hw(pin);
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}
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void digital_write(T pin, bool value) { this->digital_write_hw(pin, value); }
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protected:
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virtual bool digital_read_hw(T pin) = 0;
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virtual bool digital_read_cache(T pin) = 0;
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virtual void digital_write_hw(T pin, bool value) = 0;
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void reset_pin_cache_() {
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for (T i = 0; i < N; i++) {
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this->read_cache_invalidated_[i] = false;
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}
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}
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std::array<bool, N> read_cache_invalidated_{};
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};
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} // namespace gpio_expander
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} // namespace esphome
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72
esphome/components/tca9555/__init__.py
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72
esphome/components/tca9555/__init__.py
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@ -0,0 +1,72 @@
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from esphome import pins
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import esphome.codegen as cg
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from esphome.components import i2c
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import esphome.config_validation as cv
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from esphome.const import (
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CONF_ID,
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CONF_INPUT,
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CONF_INVERTED,
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CONF_MODE,
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CONF_NUMBER,
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CONF_OUTPUT,
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)
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CODEOWNERS = ["@mobrembski"]
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AUTO_LOAD = ["gpio_expander"]
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DEPENDENCIES = ["i2c"]
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MULTI_CONF = True
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tca9555_ns = cg.esphome_ns.namespace("tca9555")
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TCA9555Component = tca9555_ns.class_("TCA9555Component", cg.Component, i2c.I2CDevice)
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TCA9555GPIOPin = tca9555_ns.class_("TCA9555GPIOPin", cg.GPIOPin)
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CONF_TCA9555 = "tca9555"
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CONFIG_SCHEMA = (
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cv.Schema(
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{
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cv.Required(CONF_ID): cv.declare_id(TCA9555Component),
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}
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)
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.extend(cv.COMPONENT_SCHEMA)
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.extend(i2c.i2c_device_schema(0x21))
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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_component(var, config)
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await i2c.register_i2c_device(var, config)
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def validate_mode(value):
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if not (value[CONF_INPUT] or value[CONF_OUTPUT]):
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raise cv.Invalid("Mode must be either input or output")
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if value[CONF_INPUT] and value[CONF_OUTPUT]:
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raise cv.Invalid("Mode must be either input or output")
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return value
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TCA9555_PIN_SCHEMA = pins.gpio_base_schema(
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TCA9555GPIOPin,
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cv.int_range(min=0, max=15),
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modes=[CONF_INPUT, CONF_OUTPUT],
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mode_validator=validate_mode,
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invertable=True,
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).extend(
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{
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cv.Required(CONF_TCA9555): cv.use_id(TCA9555Component),
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}
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)
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@pins.PIN_SCHEMA_REGISTRY.register(CONF_TCA9555, TCA9555_PIN_SCHEMA)
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async def tca9555_pin_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_TCA9555])
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cg.add(var.set_pin(config[CONF_NUMBER]))
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cg.add(var.set_inverted(config[CONF_INVERTED]))
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cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
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return var
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140
esphome/components/tca9555/tca9555.cpp
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140
esphome/components/tca9555/tca9555.cpp
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#include "tca9555.h"
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#include "esphome/core/log.h"
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static const uint8_t TCA9555_INPUT_PORT_REGISTER_0 = 0x00;
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static const uint8_t TCA9555_INPUT_PORT_REGISTER_1 = 0x01;
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static const uint8_t TCA9555_OUTPUT_PORT_REGISTER_0 = 0x02;
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static const uint8_t TCA9555_OUTPUT_PORT_REGISTER_1 = 0x03;
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static const uint8_t TCA9555_POLARITY_REGISTER_0 = 0x04;
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static const uint8_t TCA9555_POLARITY_REGISTER_1 = 0x05;
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static const uint8_t TCA9555_CONFIGURATION_PORT_0 = 0x06;
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static const uint8_t TCA9555_CONFIGURATION_PORT_1 = 0x07;
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namespace esphome {
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namespace tca9555 {
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static const char *const TAG = "tca9555";
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void TCA9555Component::setup() {
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ESP_LOGCONFIG(TAG, "Setting up TCA9555...");
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if (!this->read_gpio_modes_()) {
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this->mark_failed();
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return;
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}
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if (!this->read_gpio_outputs_()) {
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this->mark_failed();
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return;
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}
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}
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void TCA9555Component::dump_config() {
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ESP_LOGCONFIG(TAG, "TCA9555:");
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LOG_I2C_DEVICE(this)
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if (this->is_failed()) {
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ESP_LOGE(TAG, "Communication with TCA9555 failed!");
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}
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}
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void TCA9555Component::pin_mode(uint8_t pin, gpio::Flags flags) {
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if (flags == gpio::FLAG_INPUT) {
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// Set mode mask bit
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this->mode_mask_ |= 1 << pin;
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} else if (flags == gpio::FLAG_OUTPUT) {
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// Clear mode mask bit
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this->mode_mask_ &= ~(1 << pin);
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}
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// Write GPIO to enable input mode
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this->write_gpio_modes_();
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}
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void TCA9555Component::loop() { this->reset_pin_cache_(); }
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bool TCA9555Component::read_gpio_outputs_() {
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if (this->is_failed())
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return false;
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uint8_t data[2];
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if (!this->read_bytes(TCA9555_OUTPUT_PORT_REGISTER_0, data, 2)) {
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this->status_set_warning("Failed to read output register");
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return false;
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}
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this->output_mask_ = (uint16_t(data[1]) << 8) | (uint16_t(data[0]) << 0);
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this->status_clear_warning();
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return true;
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}
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bool TCA9555Component::read_gpio_modes_() {
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if (this->is_failed())
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return false;
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uint8_t data[2];
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bool success = this->read_bytes(TCA9555_CONFIGURATION_PORT_0, data, 2);
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if (!success) {
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this->status_set_warning("Failed to read mode register");
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return false;
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}
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this->mode_mask_ = (uint16_t(data[1]) << 8) | (uint16_t(data[0]) << 0);
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this->status_clear_warning();
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return true;
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}
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bool TCA9555Component::digital_read_hw(uint8_t pin) {
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if (this->is_failed())
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return false;
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bool success;
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uint8_t data[2];
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success = this->read_bytes(TCA9555_INPUT_PORT_REGISTER_0, data, 2);
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this->input_mask_ = (uint16_t(data[1]) << 8) | (uint16_t(data[0]) << 0);
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if (!success) {
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this->status_set_warning("Failed to read input register");
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return false;
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}
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this->status_clear_warning();
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return true;
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}
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void TCA9555Component::digital_write_hw(uint8_t pin, bool value) {
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if (this->is_failed())
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return;
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if (value) {
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this->output_mask_ |= (1 << pin);
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} else {
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this->output_mask_ &= ~(1 << pin);
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}
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uint8_t data[2];
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data[0] = this->output_mask_;
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data[1] = this->output_mask_ >> 8;
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if (!this->write_bytes(TCA9555_OUTPUT_PORT_REGISTER_0, data, 2)) {
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this->status_set_warning("Failed to write output register");
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return;
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}
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this->status_clear_warning();
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}
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bool TCA9555Component::write_gpio_modes_() {
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if (this->is_failed())
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return false;
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uint8_t data[2];
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data[0] = this->mode_mask_;
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data[1] = this->mode_mask_ >> 8;
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if (!this->write_bytes(TCA9555_CONFIGURATION_PORT_0, data, 2)) {
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this->status_set_warning("Failed to write mode register");
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return false;
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}
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this->status_clear_warning();
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return true;
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}
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bool TCA9555Component::digital_read_cache(uint8_t pin) { return this->input_mask_ & (1 << pin); }
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float TCA9555Component::get_setup_priority() const { return setup_priority::IO; }
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void TCA9555GPIOPin::setup() { this->pin_mode(this->flags_); }
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void TCA9555GPIOPin::pin_mode(gpio::Flags flags) { this->parent_->pin_mode(this->pin_, flags); }
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bool TCA9555GPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) != this->inverted_; }
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void TCA9555GPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value != this->inverted_); }
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std::string TCA9555GPIOPin::dump_summary() const { return str_sprintf("%u via TCA9555", this->pin_); }
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} // namespace tca9555
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} // namespace esphome
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64
esphome/components/tca9555/tca9555.h
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64
esphome/components/tca9555/tca9555.h
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#pragma once
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#include "esphome/components/gpio_expander/cached_gpio.h"
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#include "esphome/components/i2c/i2c.h"
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#include "esphome/core/component.h"
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#include "esphome/core/hal.h"
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namespace esphome {
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namespace tca9555 {
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class TCA9555Component : public Component,
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public i2c::I2CDevice,
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public gpio_expander::CachedGpioExpander<uint8_t, 16> {
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public:
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TCA9555Component() = default;
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/// Check i2c availability and setup masks
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void setup() override;
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void pin_mode(uint8_t pin, gpio::Flags flags);
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float get_setup_priority() const override;
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void dump_config() override;
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void loop() override;
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protected:
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bool digital_read_hw(uint8_t pin) override;
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bool digital_read_cache(uint8_t pin) override;
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void digital_write_hw(uint8_t pin, bool value) override;
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/// Mask for the pin mode - 1 means output, 0 means input
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uint16_t mode_mask_{0x00};
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/// The mask to write as output state - 1 means HIGH, 0 means LOW
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uint16_t output_mask_{0x00};
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/// The state read in digital_read_hw - 1 means HIGH, 0 means LOW
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uint16_t input_mask_{0x00};
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bool read_gpio_modes_();
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bool write_gpio_modes_();
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bool read_gpio_outputs_();
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};
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/// Helper class to expose a TCA9555 pin as an internal input GPIO pin.
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class TCA9555GPIOPin : public GPIOPin, public Parented<TCA9555Component> {
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public:
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void setup() override;
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void pin_mode(gpio::Flags flags) override;
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bool digital_read() override;
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void digital_write(bool value) override;
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std::string dump_summary() const override;
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void set_pin(uint8_t pin) { this->pin_ = pin; }
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void set_inverted(bool inverted) { this->inverted_ = inverted; }
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void set_flags(gpio::Flags flags) { this->flags_ = flags; }
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protected:
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uint8_t pin_;
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bool inverted_;
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gpio::Flags flags_;
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};
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} // namespace tca9555
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} // namespace esphome
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27
tests/components/tca9555/test.esp32-ard.yaml
Normal file
27
tests/components/tca9555/test.esp32-ard.yaml
Normal file
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i2c:
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- id: i2c_tca9555
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scl: 16
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sda: 17
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tca9555:
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- id: tca9555_hub
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address: 0x21
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binary_sensor:
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- platform: gpio
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id: tca9555_binary_sensor
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name: TCA9555 Binary Sensor
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pin:
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tca9555: tca9555_hub
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number: 1
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mode: INPUT
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inverted: true
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output:
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- platform: gpio
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id: tca9555_output
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pin:
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tca9555: tca9555_hub
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number: 0
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mode: OUTPUT
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inverted: false
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27
tests/components/tca9555/test.esp32-c3-ard.yaml
Normal file
27
tests/components/tca9555/test.esp32-c3-ard.yaml
Normal file
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i2c:
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- id: i2c_tca9555
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scl: 5
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sda: 4
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tca9555:
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- id: tca9555_hub
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address: 0x21
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binary_sensor:
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- platform: gpio
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id: tca9555_binary_sensor
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name: TCA9555 Binary Sensor
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pin:
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tca9555: tca9555_hub
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number: 1
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mode: INPUT
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inverted: true
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output:
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- platform: gpio
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id: tca9555_output
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pin:
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tca9555: tca9555_hub
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number: 0
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mode: OUTPUT
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inverted: false
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27
tests/components/tca9555/test.esp32-c3-idf.yaml
Normal file
27
tests/components/tca9555/test.esp32-c3-idf.yaml
Normal file
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i2c:
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- id: i2c_tca9555
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scl: 5
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sda: 4
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tca9555:
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- id: tca9555_hub
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address: 0x21
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binary_sensor:
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- platform: gpio
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id: tca9555_binary_sensor
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name: TCA9555 Binary Sensor
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pin:
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tca9555: tca9555_hub
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number: 1
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mode: INPUT
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inverted: true
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output:
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- platform: gpio
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id: tca9555_output
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pin:
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tca9555: tca9555_hub
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number: 0
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mode: OUTPUT
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inverted: false
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27
tests/components/tca9555/test.esp32-idf.yaml
Normal file
27
tests/components/tca9555/test.esp32-idf.yaml
Normal file
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i2c:
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- id: i2c_tca9555
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scl: 16
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sda: 17
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tca9555:
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- id: tca9555_hub
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address: 0x21
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binary_sensor:
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- platform: gpio
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id: tca9555_binary_sensor
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name: TCA9555 Binary Sensor
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pin:
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tca9555: tca9555_hub
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number: 1
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mode: INPUT
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inverted: true
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output:
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- platform: gpio
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id: tca9555_output
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pin:
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tca9555: tca9555_hub
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number: 0
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mode: OUTPUT
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inverted: false
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27
tests/components/tca9555/test.esp8266-ard.yaml
Normal file
27
tests/components/tca9555/test.esp8266-ard.yaml
Normal file
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i2c:
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- id: i2c_tca9555
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scl: 5
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sda: 4
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tca9555:
|
||||
- id: tca9555_hub
|
||||
address: 0x21
|
||||
|
||||
binary_sensor:
|
||||
- platform: gpio
|
||||
id: tca9555_binary_sensor
|
||||
name: TCA9555 Binary Sensor
|
||||
pin:
|
||||
tca9555: tca9555_hub
|
||||
number: 1
|
||||
mode: INPUT
|
||||
inverted: true
|
||||
|
||||
output:
|
||||
- platform: gpio
|
||||
id: tca9555_output
|
||||
pin:
|
||||
tca9555: tca9555_hub
|
||||
number: 0
|
||||
mode: OUTPUT
|
||||
inverted: false
|
27
tests/components/tca9555/test.rp2040-ard.yaml
Normal file
27
tests/components/tca9555/test.rp2040-ard.yaml
Normal file
|
@ -0,0 +1,27 @@
|
|||
i2c:
|
||||
- id: i2c_tca9555
|
||||
scl: 5
|
||||
sda: 4
|
||||
|
||||
tca9555:
|
||||
- id: tca9555_hub
|
||||
address: 0x21
|
||||
|
||||
binary_sensor:
|
||||
- platform: gpio
|
||||
id: tca9555_binary_sensor
|
||||
name: TCA9555 Binary Sensor
|
||||
pin:
|
||||
tca9555: tca9555_hub
|
||||
number: 1
|
||||
mode: INPUT
|
||||
inverted: true
|
||||
|
||||
output:
|
||||
- platform: gpio
|
||||
id: tca9555_output
|
||||
pin:
|
||||
tca9555: tca9555_hub
|
||||
number: 0
|
||||
mode: OUTPUT
|
||||
inverted: false
|
Loading…
Reference in a new issue