XL9535 I/O Expander (#4899)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
MrEditor97 2023-06-19 04:26:06 +01:00 committed by GitHub
parent 67771abc9d
commit 41a618737b
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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
esphome/components/xiaomi_mhoc303/* @drug123
esphome/components/xiaomi_mhoc401/* @vevsvevs
esphome/components/xiaomi_rtcgq02lm/* @jesserockz
esphome/components/xl9535/* @mreditor97
esphome/components/xpt2046/* @nielsnl68 @numo68

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@ -0,0 +1,73 @@
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import i2c
from esphome.const import (
CONF_ID,
CONF_INPUT,
CONF_INVERTED,
CONF_MODE,
CONF_NUMBER,
CONF_OUTPUT,
)
from esphome import pins
CONF_XL9535 = "xl9535"
DEPENDENCIES = ["i2c"]
CODEOWNERS = ["@mreditor97"]
xl9535_ns = cg.esphome_ns.namespace(CONF_XL9535)
XL9535Component = xl9535_ns.class_("XL9535Component", cg.Component, i2c.I2CDevice)
XL9535GPIOPin = xl9535_ns.class_("XL9535GPIOPin", cg.GPIOPin)
MULTI_CONF = True
CONFIG_SCHEMA = (
cv.Schema({cv.Required(CONF_ID): cv.declare_id(XL9535Component)})
.extend(cv.COMPONENT_SCHEMA)
.extend(i2c.i2c_device_schema(0x20))
)
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)
def validate_mode(mode):
if not (mode[CONF_INPUT] or mode[CONF_OUTPUT]) or (
mode[CONF_INPUT] and mode[CONF_OUTPUT]
):
raise cv.Invalid("Mode must be either a input or a output")
return mode
XL9535_PIN_SCHEMA = cv.All(
{
cv.GenerateID(): cv.declare_id(XL9535GPIOPin),
cv.Required(CONF_XL9535): cv.use_id(XL9535Component),
cv.Required(CONF_NUMBER): cv.int_range(min=0, max=15),
cv.Optional(CONF_MODE, default={}): cv.All(
{
cv.Optional(CONF_INPUT, default=False): cv.boolean,
cv.Optional(CONF_OUTPUT, default=False): cv.boolean,
},
validate_mode,
),
cv.Optional(CONF_INVERTED, default=False): cv.boolean,
}
)
@pins.PIN_SCHEMA_REGISTRY.register(CONF_XL9535, XL9535_PIN_SCHEMA)
async def xl9535_pin_to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
parent = await cg.get_variable(config[CONF_XL9535])
cg.add(var.set_parent(parent))
cg.add(var.set_pin(config[CONF_NUMBER]))
cg.add(var.set_inverted(config[CONF_INVERTED]))
cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
return var

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@ -0,0 +1,122 @@
#include "xl9535.h"
#include "esphome/core/log.h"
namespace esphome {
namespace xl9535 {
static const char *const TAG = "xl9535";
void XL9535Component::setup() {
ESP_LOGCONFIG(TAG, "Setting up XL9535...");
// Check to see if the device can read from the register
uint8_t port = 0;
if (this->read_register(XL9535_INPUT_PORT_0_REGISTER, &port, 1) != i2c::ERROR_OK) {
this->mark_failed();
return;
}
}
void XL9535Component::dump_config() {
ESP_LOGCONFIG(TAG, "XL9535:");
LOG_I2C_DEVICE(this);
if (this->is_failed()) {
ESP_LOGE(TAG, "Communication with XL9535 failed!");
}
}
bool XL9535Component::digital_read(uint8_t pin) {
bool state = false;
uint8_t port = 0;
if (pin > 7) {
if (this->read_register(XL9535_INPUT_PORT_1_REGISTER, &port, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return state;
}
state = (port & (pin - 10)) != 0;
} else {
if (this->read_register(XL9535_INPUT_PORT_0_REGISTER, &port, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return state;
}
state = (port & pin) != 0;
}
this->status_clear_warning();
return state;
}
void XL9535Component::digital_write(uint8_t pin, bool value) {
uint8_t port = 0;
uint8_t register_data = 0;
if (pin > 7) {
if (this->read_register(XL9535_OUTPUT_PORT_1_REGISTER, &register_data, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
register_data = register_data & (~(1 << (pin - 10)));
port = register_data | value << (pin - 10);
if (this->write_register(XL9535_OUTPUT_PORT_1_REGISTER, &port, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
} else {
if (this->read_register(XL9535_OUTPUT_PORT_0_REGISTER, &register_data, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
register_data = register_data & (~(1 << pin));
port = register_data | value << pin;
if (this->write_register(XL9535_OUTPUT_PORT_0_REGISTER, &port, 1) != i2c::ERROR_OK) {
this->status_set_warning();
return;
}
}
this->status_clear_warning();
}
void XL9535Component::pin_mode(uint8_t pin, gpio::Flags mode) {
uint8_t port = 0;
if (pin > 7) {
this->read_register(XL9535_CONFIG_PORT_1_REGISTER, &port, 1);
if (mode == gpio::FLAG_INPUT) {
port = port | (1 << (pin - 10));
} else if (mode == gpio::FLAG_OUTPUT) {
port = port & (~(1 << (pin - 10)));
}
this->write_register(XL9535_CONFIG_PORT_1_REGISTER, &port, 1);
} else {
this->read_register(XL9535_CONFIG_PORT_0_REGISTER, &port, 1);
if (mode == gpio::FLAG_INPUT) {
port = port | (1 << pin);
} else if (mode == gpio::FLAG_OUTPUT) {
port = port & (~(1 << pin));
}
this->write_register(XL9535_CONFIG_PORT_0_REGISTER, &port, 1);
}
}
void XL9535GPIOPin::setup() { this->pin_mode(this->flags_); }
std::string XL9535GPIOPin::dump_summary() const { return str_snprintf("%u via XL9535", 15, this->pin_); }
void XL9535GPIOPin::pin_mode(gpio::Flags flags) { this->parent_->pin_mode(this->pin_, flags); }
bool XL9535GPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) != this->inverted_; }
void XL9535GPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value != this->inverted_); }
} // namespace xl9535
} // namespace esphome

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@ -0,0 +1,54 @@
#pragma once
#include "esphome/core/component.h"
#include "esphome/components/i2c/i2c.h"
#include "esphome/core/hal.h"
namespace esphome {
namespace xl9535 {
enum {
XL9535_INPUT_PORT_0_REGISTER = 0x00,
XL9535_INPUT_PORT_1_REGISTER = 0x01,
XL9535_OUTPUT_PORT_0_REGISTER = 0x02,
XL9535_OUTPUT_PORT_1_REGISTER = 0x03,
XL9535_INVERSION_PORT_0_REGISTER = 0x04,
XL9535_INVERSION_PORT_1_REGISTER = 0x05,
XL9535_CONFIG_PORT_0_REGISTER = 0x06,
XL9535_CONFIG_PORT_1_REGISTER = 0x07,
};
class XL9535Component : public Component, public i2c::I2CDevice {
public:
bool digital_read(uint8_t pin);
void digital_write(uint8_t pin, bool value);
void pin_mode(uint8_t pin, gpio::Flags mode);
void setup() override;
void dump_config() override;
float get_setup_priority() const override { return setup_priority::DATA; }
};
class XL9535GPIOPin : public GPIOPin {
public:
void set_parent(XL9535Component *parent) { this->parent_ = parent; }
void set_pin(uint8_t pin) { this->pin_ = pin; }
void set_inverted(bool inverted) { this->inverted_ = inverted; }
void set_flags(gpio::Flags flags) { this->flags_ = flags; }
void setup() override;
std::string dump_summary() const override;
void pin_mode(gpio::Flags flags) override;
bool digital_read() override;
void digital_write(bool value) override;
protected:
XL9535Component *parent_;
uint8_t pin_;
bool inverted_;
gpio::Flags flags_;
};
} // namespace xl9535
} // namespace esphome

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@ -384,6 +384,15 @@ binary_sensor:
pullup: true
inverted: false
- platform: gpio
name: XL9535 Pin 0
pin:
xl9535: xl9535_hub
number: 0
mode:
input: true
inverted: false
climate:
- platform: tuya
id: tuya_climate
@ -745,3 +754,7 @@ voice_assistant:
max6956:
- id: max6956_1
address: 0x40
xl9535:
- id: xl9535_hub
address: 0x20