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XL9535 I/O Expander (#4899)
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
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5 changed files with 263 additions and 0 deletions
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@ -318,4 +318,5 @@ esphome/components/xiaomi_lywsd03mmc/* @ahpohl
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esphome/components/xiaomi_mhoc303/* @drug123
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esphome/components/xiaomi_mhoc401/* @vevsvevs
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esphome/components/xiaomi_rtcgq02lm/* @jesserockz
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esphome/components/xl9535/* @mreditor97
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esphome/components/xpt2046/* @nielsnl68 @numo68
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73
esphome/components/xl9535/__init__.py
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73
esphome/components/xl9535/__init__.py
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@ -0,0 +1,73 @@
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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 i2c
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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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from esphome import pins
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CONF_XL9535 = "xl9535"
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DEPENDENCIES = ["i2c"]
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CODEOWNERS = ["@mreditor97"]
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xl9535_ns = cg.esphome_ns.namespace(CONF_XL9535)
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XL9535Component = xl9535_ns.class_("XL9535Component", cg.Component, i2c.I2CDevice)
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XL9535GPIOPin = xl9535_ns.class_("XL9535GPIOPin", cg.GPIOPin)
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MULTI_CONF = True
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CONFIG_SCHEMA = (
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cv.Schema({cv.Required(CONF_ID): cv.declare_id(XL9535Component)})
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.extend(cv.COMPONENT_SCHEMA)
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.extend(i2c.i2c_device_schema(0x20))
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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(mode):
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if not (mode[CONF_INPUT] or mode[CONF_OUTPUT]) or (
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mode[CONF_INPUT] and mode[CONF_OUTPUT]
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):
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raise cv.Invalid("Mode must be either a input or a output")
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return mode
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XL9535_PIN_SCHEMA = cv.All(
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{
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cv.GenerateID(): cv.declare_id(XL9535GPIOPin),
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cv.Required(CONF_XL9535): cv.use_id(XL9535Component),
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cv.Required(CONF_NUMBER): cv.int_range(min=0, max=15),
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cv.Optional(CONF_MODE, default={}): cv.All(
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{
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cv.Optional(CONF_INPUT, default=False): cv.boolean,
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cv.Optional(CONF_OUTPUT, default=False): cv.boolean,
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},
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validate_mode,
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),
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cv.Optional(CONF_INVERTED, default=False): cv.boolean,
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}
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)
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@pins.PIN_SCHEMA_REGISTRY.register(CONF_XL9535, XL9535_PIN_SCHEMA)
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async def xl9535_pin_to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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parent = await cg.get_variable(config[CONF_XL9535])
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cg.add(var.set_parent(parent))
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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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122
esphome/components/xl9535/xl9535.cpp
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122
esphome/components/xl9535/xl9535.cpp
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@ -0,0 +1,122 @@
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#include "xl9535.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace xl9535 {
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static const char *const TAG = "xl9535";
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void XL9535Component::setup() {
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ESP_LOGCONFIG(TAG, "Setting up XL9535...");
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// Check to see if the device can read from the register
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uint8_t port = 0;
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if (this->read_register(XL9535_INPUT_PORT_0_REGISTER, &port, 1) != i2c::ERROR_OK) {
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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 XL9535Component::dump_config() {
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ESP_LOGCONFIG(TAG, "XL9535:");
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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 XL9535 failed!");
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}
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}
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bool XL9535Component::digital_read(uint8_t pin) {
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bool state = false;
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uint8_t port = 0;
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if (pin > 7) {
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if (this->read_register(XL9535_INPUT_PORT_1_REGISTER, &port, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return state;
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}
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state = (port & (pin - 10)) != 0;
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} else {
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if (this->read_register(XL9535_INPUT_PORT_0_REGISTER, &port, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return state;
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}
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state = (port & pin) != 0;
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}
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this->status_clear_warning();
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return state;
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}
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void XL9535Component::digital_write(uint8_t pin, bool value) {
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uint8_t port = 0;
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uint8_t register_data = 0;
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if (pin > 7) {
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if (this->read_register(XL9535_OUTPUT_PORT_1_REGISTER, ®ister_data, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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register_data = register_data & (~(1 << (pin - 10)));
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port = register_data | value << (pin - 10);
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if (this->write_register(XL9535_OUTPUT_PORT_1_REGISTER, &port, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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} else {
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if (this->read_register(XL9535_OUTPUT_PORT_0_REGISTER, ®ister_data, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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register_data = register_data & (~(1 << pin));
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port = register_data | value << pin;
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if (this->write_register(XL9535_OUTPUT_PORT_0_REGISTER, &port, 1) != i2c::ERROR_OK) {
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this->status_set_warning();
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return;
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}
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}
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this->status_clear_warning();
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}
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void XL9535Component::pin_mode(uint8_t pin, gpio::Flags mode) {
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uint8_t port = 0;
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if (pin > 7) {
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this->read_register(XL9535_CONFIG_PORT_1_REGISTER, &port, 1);
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if (mode == gpio::FLAG_INPUT) {
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port = port | (1 << (pin - 10));
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} else if (mode == gpio::FLAG_OUTPUT) {
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port = port & (~(1 << (pin - 10)));
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}
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this->write_register(XL9535_CONFIG_PORT_1_REGISTER, &port, 1);
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} else {
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this->read_register(XL9535_CONFIG_PORT_0_REGISTER, &port, 1);
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if (mode == gpio::FLAG_INPUT) {
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port = port | (1 << pin);
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} else if (mode == gpio::FLAG_OUTPUT) {
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port = port & (~(1 << pin));
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}
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this->write_register(XL9535_CONFIG_PORT_0_REGISTER, &port, 1);
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}
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}
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void XL9535GPIOPin::setup() { this->pin_mode(this->flags_); }
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std::string XL9535GPIOPin::dump_summary() const { return str_snprintf("%u via XL9535", 15, this->pin_); }
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void XL9535GPIOPin::pin_mode(gpio::Flags flags) { this->parent_->pin_mode(this->pin_, flags); }
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bool XL9535GPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) != this->inverted_; }
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void XL9535GPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value != this->inverted_); }
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} // namespace xl9535
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} // namespace esphome
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54
esphome/components/xl9535/xl9535.h
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54
esphome/components/xl9535/xl9535.h
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#pragma once
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#include "esphome/core/component.h"
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#include "esphome/components/i2c/i2c.h"
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#include "esphome/core/hal.h"
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namespace esphome {
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namespace xl9535 {
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enum {
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XL9535_INPUT_PORT_0_REGISTER = 0x00,
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XL9535_INPUT_PORT_1_REGISTER = 0x01,
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XL9535_OUTPUT_PORT_0_REGISTER = 0x02,
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XL9535_OUTPUT_PORT_1_REGISTER = 0x03,
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XL9535_INVERSION_PORT_0_REGISTER = 0x04,
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XL9535_INVERSION_PORT_1_REGISTER = 0x05,
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XL9535_CONFIG_PORT_0_REGISTER = 0x06,
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XL9535_CONFIG_PORT_1_REGISTER = 0x07,
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};
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class XL9535Component : public Component, public i2c::I2CDevice {
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public:
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bool digital_read(uint8_t pin);
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void digital_write(uint8_t pin, bool value);
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void pin_mode(uint8_t pin, gpio::Flags mode);
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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 { return setup_priority::DATA; }
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};
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class XL9535GPIOPin : public GPIOPin {
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public:
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void set_parent(XL9535Component *parent) { this->parent_ = parent; }
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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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void setup() override;
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std::string dump_summary() const 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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protected:
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XL9535Component *parent_;
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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 xl9535
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} // namespace esphome
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@ -384,6 +384,15 @@ binary_sensor:
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pullup: true
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inverted: false
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- platform: gpio
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name: XL9535 Pin 0
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pin:
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xl9535: xl9535_hub
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number: 0
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mode:
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input: true
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inverted: false
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climate:
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- platform: tuya
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id: tuya_climate
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max6956:
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- id: max6956_1
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address: 0x40
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xl9535:
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- id: xl9535_hub
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address: 0x20
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