mirror of
https://github.com/esphome/esphome.git
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[waveshare_io_ch32v003] Waveshare I/O Expander component (#10071)
This commit is contained in:
Anton Viktorov
@@ -578,6 +578,7 @@ esphome/components/wake_on_lan/* @clydebarrow @willwill2will54
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esphome/components/watchdog/* @oarcher
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esphome/components/water_heater/* @dhoeben
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esphome/components/waveshare_epaper/* @clydebarrow
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esphome/components/waveshare_io_ch32v003/* @latonita
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esphome/components/web_server/ota/* @esphome/core
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esphome/components/web_server_base/* @esphome/core
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esphome/components/web_server_idf/* @dentra
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@@ -0,0 +1,84 @@
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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 = ["@latonita"]
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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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waveshare_io_ch32v003_ns = cg.esphome_ns.namespace("waveshare_io_ch32v003")
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WaveshareIOCH32V003Component = waveshare_io_ch32v003_ns.class_(
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"WaveshareIOCH32V003Component", cg.Component, i2c.I2CDevice
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)
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WaveshareIOCH32V003GPIOPin = waveshare_io_ch32v003_ns.class_(
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"WaveshareIOCH32V003GPIOPin",
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cg.GPIOPin,
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cg.Parented.template(WaveshareIOCH32V003Component),
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)
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CONF_WAVESHARE_IO_CH32V003 = "waveshare_io_ch32v003"
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CONF_WAVESHARE_IO_CH32V003_ID = "waveshare_io_ch32v003_id"
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CONFIG_SCHEMA = (
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cv.Schema(
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{
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cv.GenerateID(CONF_ID): cv.declare_id(WaveshareIOCH32V003Component),
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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(0x24))
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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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WAVESHARE_IO_PIN_SCHEMA = pins.gpio_base_schema(
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WaveshareIOCH32V003GPIOPin,
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cv.int_range(min=0, max=7),
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modes=[CONF_INPUT, CONF_OUTPUT],
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mode_validator=validate_mode,
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invertible=True,
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).extend(
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{
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cv.Required(CONF_WAVESHARE_IO_CH32V003): cv.use_id(
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WaveshareIOCH32V003Component
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),
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}
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)
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@pins.PIN_SCHEMA_REGISTRY.register(CONF_WAVESHARE_IO_CH32V003, WAVESHARE_IO_PIN_SCHEMA)
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async def waveshare_io_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_WAVESHARE_IO_CH32V003])
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cg.add(var.set_parent(parent))
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num = config[CONF_NUMBER]
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cg.add(var.set_pin(num))
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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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@@ -0,0 +1,70 @@
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import esphome.codegen as cg
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from esphome.components import output
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import esphome.config_validation as cv
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from esphome.const import CONF_ID, CONF_MAX_VALUE, CONF_MIN_VALUE
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from .. import (
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CONF_WAVESHARE_IO_CH32V003_ID,
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WaveshareIOCH32V003Component,
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waveshare_io_ch32v003_ns,
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)
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DEPENDENCIES = ["waveshare_io_ch32v003"]
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WaveshareIOCH32V003Output = waveshare_io_ch32v003_ns.class_(
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"WaveshareIOCH32V003Output",
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output.FloatOutput,
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cg.Parented.template(WaveshareIOCH32V003Component),
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)
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CONF_SAFE_PWM_LEVELS = "safe_pwm_levels"
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DUTY_DEFAULT_MIN = 1
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DUTY_DEFAULT_MAX = 247
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def validate_pwm_limits(config):
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"""Validate that safe_pwm_levels.min_value <= safe_pwm_levels.max_value."""
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min_val = config.get(CONF_SAFE_PWM_LEVELS, {}).get(CONF_MIN_VALUE, DUTY_DEFAULT_MIN)
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max_val = config.get(CONF_SAFE_PWM_LEVELS, {}).get(CONF_MAX_VALUE, DUTY_DEFAULT_MAX)
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if min_val > max_val:
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raise cv.Invalid(
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f"safe_pwm_levels.min_value ({min_val}) cannot be greater than "
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f"safe_pwm_levels.max_value ({max_val})"
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)
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return config
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CONF_SAFE_PWM_LEVELS_SCHEMA = cv.Schema(
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{
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cv.Optional(CONF_MIN_VALUE, default=DUTY_DEFAULT_MIN): cv.int_range(
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min=0, max=255
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),
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cv.Optional(CONF_MAX_VALUE, default=DUTY_DEFAULT_MAX): cv.int_range(
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min=0, max=255
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),
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}
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)
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CONFIG_SCHEMA = cv.All(
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output.FLOAT_OUTPUT_SCHEMA.extend(
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{
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cv.Required(CONF_ID): cv.declare_id(WaveshareIOCH32V003Output),
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cv.GenerateID(CONF_WAVESHARE_IO_CH32V003_ID): cv.use_id(
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WaveshareIOCH32V003Component
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),
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cv.Optional(CONF_SAFE_PWM_LEVELS): CONF_SAFE_PWM_LEVELS_SCHEMA,
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}
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),
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validate_pwm_limits,
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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 output.register_output(var, config)
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await cg.register_parented(var, config[CONF_WAVESHARE_IO_CH32V003_ID])
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min_val = config.get(CONF_SAFE_PWM_LEVELS, {}).get(CONF_MIN_VALUE, DUTY_DEFAULT_MIN)
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max_val = config.get(CONF_SAFE_PWM_LEVELS, {}).get(CONF_MAX_VALUE, DUTY_DEFAULT_MAX)
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cg.add(var.set_pwm_safe_range(min_val, max_val))
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@@ -0,0 +1,19 @@
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#include "waveshare_io_ch32v003_output.h"
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#include "esphome/core/log.h"
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#include <algorithm>
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namespace esphome::waveshare_io_ch32v003 {
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static const char *const TAG = "waveshare_io_ch32v003.output";
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void WaveshareIOCH32V003Output::write_state(float state) {
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uint8_t pwm_value = static_cast<uint8_t>(state * 255.0f);
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uint8_t final_pwm_value = std::clamp(pwm_value, this->pwm_min_value_, this->pwm_max_value_);
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if (final_pwm_value != pwm_value) {
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ESP_LOGVV(TAG, "Clamping PWM value %u to safe range [%u, %u]", pwm_value, this->pwm_min_value_,
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this->pwm_max_value_);
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}
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this->parent_->set_pwm_value(final_pwm_value);
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}
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} // namespace esphome::waveshare_io_ch32v003
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@@ -0,0 +1,22 @@
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#pragma once
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#include "../waveshare_io_ch32v003.h"
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#include "esphome/components/output/float_output.h"
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namespace esphome::waveshare_io_ch32v003 {
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class WaveshareIOCH32V003Output : public output::FloatOutput, public Parented<WaveshareIOCH32V003Component> {
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public:
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void set_pwm_safe_range(uint8_t min_value, uint8_t max_value) {
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this->pwm_min_value_ = min_value;
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this->pwm_max_value_ = max_value;
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}
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protected:
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void write_state(float state) override;
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uint8_t pwm_min_value_{1};
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uint8_t pwm_max_value_{247};
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};
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} // namespace esphome::waveshare_io_ch32v003
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@@ -0,0 +1,55 @@
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import esphome.codegen as cg
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from esphome.components import sensor, voltage_sampler
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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_REFERENCE_VOLTAGE,
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DEVICE_CLASS_VOLTAGE,
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STATE_CLASS_MEASUREMENT,
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UNIT_VOLT,
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)
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from .. import (
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CONF_WAVESHARE_IO_CH32V003_ID,
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WaveshareIOCH32V003Component,
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waveshare_io_ch32v003_ns,
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)
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AUTO_LOAD = ["voltage_sampler"]
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DEPENDENCIES = ["waveshare_io_ch32v003"]
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WaveshareIOCH32V003Sensor = waveshare_io_ch32v003_ns.class_(
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"WaveshareIOCH32V003Sensor",
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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(WaveshareIOCH32V003Component),
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)
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CONFIG_SCHEMA = (
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sensor.sensor_schema(
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WaveshareIOCH32V003Sensor,
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unit_of_measurement=UNIT_VOLT,
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accuracy_decimals=3,
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device_class=DEVICE_CLASS_VOLTAGE,
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state_class=STATE_CLASS_MEASUREMENT,
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)
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.extend(
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{
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cv.GenerateID(CONF_WAVESHARE_IO_CH32V003_ID): cv.use_id(
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WaveshareIOCH32V003Component
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),
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cv.Optional(CONF_REFERENCE_VOLTAGE, default="9.9V"): 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_WAVESHARE_IO_CH32V003_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_reference_voltage(config[CONF_REFERENCE_VOLTAGE]))
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@@ -0,0 +1,27 @@
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#include "waveshare_io_ch32v003_sensor.h"
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#include "esphome/core/log.h"
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namespace esphome::waveshare_io_ch32v003 {
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static const char *const TAG = "waveshare_io_ch32v003.sensor";
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float WaveshareIOCH32V003Sensor::get_setup_priority() const { return setup_priority::DATA; }
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void WaveshareIOCH32V003Sensor::dump_config() {
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ESP_LOGCONFIG(TAG,
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"WaveshareIOCH32V003Sensor:\n"
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" Reference Voltage: %.2fV",
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this->reference_voltage_);
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}
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float WaveshareIOCH32V003Sensor::sample() {
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uint16_t adc_value = this->parent_->get_adc_value();
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// Convert the ADC value to voltage. 10-bit ADC
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float voltage = adc_value * this->reference_voltage_ / 1023.0f;
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return voltage;
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}
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void WaveshareIOCH32V003Sensor::update() { this->publish_state(this->sample()); }
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} // namespace esphome::waveshare_io_ch32v003
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@@ -0,0 +1,29 @@
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#pragma once
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#include "esphome/core/component.h"
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#include "esphome/core/helpers.h"
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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 "../waveshare_io_ch32v003.h"
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namespace esphome::waveshare_io_ch32v003 {
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class WaveshareIOCH32V003Sensor : public sensor::Sensor,
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public PollingComponent,
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public voltage_sampler::VoltageSampler,
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public Parented<WaveshareIOCH32V003Component> {
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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 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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float reference_voltage_{9.9f}; // Default reference voltage for ADC calculations, can be overridden by user config
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};
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} // namespace esphome::waveshare_io_ch32v003
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@@ -0,0 +1,168 @@
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#include "waveshare_io_ch32v003.h"
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#include "esphome/core/log.h"
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namespace esphome::waveshare_io_ch32v003 {
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static const uint8_t IO_EXTENSION_DIRECTION = 0x02;
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static const uint8_t IO_EXTENSION_IO_OUTPUT_ADDR = 0x03;
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static const uint8_t IO_EXTENSION_IO_INPUT_ADDR = 0x04;
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static const uint8_t IO_EXTENSION_PWM_ADDR = 0x05;
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static const uint8_t IO_EXTENSION_ADC_ADDR = 0x06;
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static const uint8_t IO_EXTENSION_RTC_INT_ADDR = 0x07;
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static const char *const TAG = "waveshare_io_ch32v003";
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void WaveshareIOCH32V003Component::setup() {
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this->mode_mask_ = 0xFF; // Set all pins to output mode
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this->output_mask_ = 0xFF; // Set all pins to high (output mode)
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bool step1 = this->write_gpio_modes_();
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bool step2 = this->write_gpio_outputs_();
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if (!step1 || !step2) {
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ESP_LOGE(TAG, "Failed to initialize Waveshare IO expander");
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this->mark_failed();
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return;
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}
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this->disable_loop();
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}
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void WaveshareIOCH32V003Component::pin_mode(uint8_t pin, gpio::Flags flags) {
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// bits: 0 = input, 1 = output
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if (flags == gpio::FLAG_INPUT) {
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// Clear mode mask bit
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this->mode_mask_ &= ~(1 << pin);
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this->enable_loop();
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} else if (flags == gpio::FLAG_OUTPUT) {
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// Set mode mask bit
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this->mode_mask_ |= 1 << pin;
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}
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this->write_gpio_modes_();
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}
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void WaveshareIOCH32V003Component::loop() { this->reset_pin_cache_(); }
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void WaveshareIOCH32V003Component::dump_config() {
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ESP_LOGCONFIG(TAG, "WaveshareIO:");
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LOG_I2C_DEVICE(this)
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if (this->is_failed()) {
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ESP_LOGE(TAG, ESP_LOG_MSG_COMM_FAIL);
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}
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}
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uint16_t WaveshareIOCH32V003Component::get_adc_value() {
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if (this->is_failed())
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return 0;
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uint8_t data[2];
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if (!this->read_bytes(IO_EXTENSION_ADC_ADDR, data, 2)) {
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this->status_set_warning(LOG_STR("Failed to read ADC register"));
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return 0;
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}
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uint16_t adc_value = (data[1] << 8) | data[0];
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this->status_clear_warning();
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return adc_value;
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}
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uint8_t WaveshareIOCH32V003Component::get_rtc_interrupt_status() {
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if (this->is_failed())
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return 0;
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uint8_t data = 0;
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if (!this->read_bytes(IO_EXTENSION_RTC_INT_ADDR, &data, 1)) {
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this->status_set_warning(LOG_STR("Failed to read RTC interrupt register"));
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return 0;
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}
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this->status_clear_warning();
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return data;
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}
|
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|
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void WaveshareIOCH32V003Component::set_pwm_value(uint8_t value) {
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if (this->is_failed())
|
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return;
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|
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// PWM limits are enforced at the output component level to protect hardware
|
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// based on circuit schematic requirements. This follows the pattern from the
|
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// original Waveshare IO library function "void IO_EXTENSION_Pwm_Output(uint8_t Value)".
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|
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if (!this->write_byte(IO_EXTENSION_PWM_ADDR, value)) {
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this->status_set_warning(LOG_STR("Failed to set PWM duty cycle"));
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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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|
||||
bool WaveshareIOCH32V003Component::write_gpio_modes_() {
|
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if (this->is_failed())
|
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return false;
|
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if (!this->write_byte(IO_EXTENSION_DIRECTION, this->mode_mask_)) {
|
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this->status_set_warning(LOG_STR("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 WaveshareIOCH32V003Component::write_gpio_outputs_() {
|
||||
if (this->is_failed())
|
||||
return false;
|
||||
if (!this->write_byte(IO_EXTENSION_IO_OUTPUT_ADDR, this->output_mask_)) {
|
||||
this->status_set_warning(LOG_STR("Failed to write output register"));
|
||||
return false;
|
||||
}
|
||||
this->status_clear_warning();
|
||||
return true;
|
||||
}
|
||||
|
||||
bool WaveshareIOCH32V003Component::digital_read_hw(uint8_t pin) {
|
||||
if (this->is_failed())
|
||||
return false;
|
||||
|
||||
uint8_t data = 0;
|
||||
if (!this->read_bytes(IO_EXTENSION_IO_INPUT_ADDR, &data, 1)) {
|
||||
this->status_set_warning(LOG_STR("Failed to read input register"));
|
||||
return false;
|
||||
}
|
||||
this->input_mask_ = data;
|
||||
|
||||
this->status_clear_warning();
|
||||
return true;
|
||||
}
|
||||
|
||||
void WaveshareIOCH32V003Component::digital_write_hw(uint8_t pin, bool value) {
|
||||
if (this->is_failed())
|
||||
return;
|
||||
|
||||
if (value) {
|
||||
this->output_mask_ |= (1 << pin);
|
||||
} else {
|
||||
this->output_mask_ &= ~(1 << pin);
|
||||
}
|
||||
|
||||
uint8_t data = this->output_mask_;
|
||||
if (!this->write_byte(IO_EXTENSION_IO_OUTPUT_ADDR, data)) {
|
||||
this->status_set_warning(LOG_STR("Failed to write output register"));
|
||||
return;
|
||||
}
|
||||
|
||||
this->status_clear_warning();
|
||||
}
|
||||
|
||||
bool WaveshareIOCH32V003Component::digital_read_cache(uint8_t pin) { return this->input_mask_ & (1 << pin); }
|
||||
float WaveshareIOCH32V003Component::get_setup_priority() const { return setup_priority::IO; }
|
||||
|
||||
void WaveshareIOCH32V003GPIOPin::setup() { this->pin_mode(this->flags_); }
|
||||
void WaveshareIOCH32V003GPIOPin::pin_mode(gpio::Flags flags) { this->parent_->pin_mode(this->pin_, flags); }
|
||||
bool WaveshareIOCH32V003GPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) ^ this->inverted_; }
|
||||
|
||||
void WaveshareIOCH32V003GPIOPin::digital_write(bool value) {
|
||||
this->parent_->digital_write(this->pin_, value ^ this->inverted_);
|
||||
}
|
||||
|
||||
size_t WaveshareIOCH32V003GPIOPin::dump_summary(char *buffer, size_t len) const {
|
||||
return buf_append_printf(buffer, len, 0, "EXIO%u via WaveshareIO", this->pin_);
|
||||
}
|
||||
|
||||
} // namespace esphome::waveshare_io_ch32v003
|
||||
@@ -0,0 +1,65 @@
|
||||
#pragma once
|
||||
|
||||
#include "esphome/components/gpio_expander/cached_gpio.h"
|
||||
#include "esphome/components/i2c/i2c.h"
|
||||
#include "esphome/core/component.h"
|
||||
#include "esphome/core/hal.h"
|
||||
|
||||
namespace esphome::waveshare_io_ch32v003 {
|
||||
|
||||
class WaveshareIOCH32V003Component : public Component,
|
||||
public i2c::I2CDevice,
|
||||
public gpio_expander::CachedGpioExpander<uint8_t, 8> {
|
||||
public:
|
||||
WaveshareIOCH32V003Component() = default;
|
||||
|
||||
void setup() override;
|
||||
void pin_mode(uint8_t pin, gpio::Flags flags);
|
||||
|
||||
float get_setup_priority() const override;
|
||||
|
||||
void dump_config() override;
|
||||
|
||||
void loop() override;
|
||||
|
||||
uint16_t get_adc_value();
|
||||
uint8_t get_rtc_interrupt_status();
|
||||
void set_pwm_value(uint8_t value); // 0 - 255
|
||||
|
||||
protected:
|
||||
friend class WaveshareIOCH32V003GPIOPin;
|
||||
|
||||
bool digital_read_hw(uint8_t pin) override;
|
||||
bool digital_read_cache(uint8_t pin) override;
|
||||
void digital_write_hw(uint8_t pin, bool value) override;
|
||||
|
||||
uint8_t mode_mask_{0x00}; // Mask for the pin mode - 1 means output, 0 means input
|
||||
uint8_t output_mask_{0x00}; // The mask to write as output state - 1 means HIGH, 0 means LOW
|
||||
uint8_t input_mask_{0x00}; // The state read in digital_read_hw - 1 means HIGH, 0 means LOW
|
||||
|
||||
bool write_gpio_modes_();
|
||||
bool write_gpio_outputs_();
|
||||
};
|
||||
|
||||
/// Helper class to expose a WaveshareIO pin as a GPIO pin.
|
||||
class WaveshareIOCH32V003GPIOPin : public GPIOPin, public Parented<WaveshareIOCH32V003Component> {
|
||||
public:
|
||||
void setup() override;
|
||||
void pin_mode(gpio::Flags flags) override;
|
||||
bool digital_read() override;
|
||||
void digital_write(bool value) override;
|
||||
size_t dump_summary(char *buffer, size_t len) const override;
|
||||
|
||||
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; }
|
||||
|
||||
gpio::Flags get_flags() const override { return this->flags_; }
|
||||
|
||||
protected:
|
||||
uint8_t pin_{};
|
||||
bool inverted_{};
|
||||
gpio::Flags flags_{};
|
||||
};
|
||||
|
||||
} // namespace esphome::waveshare_io_ch32v003
|
||||
@@ -0,0 +1,33 @@
|
||||
waveshare_io_ch32v003:
|
||||
- id: wave_io
|
||||
address: 0x24
|
||||
|
||||
binary_sensor:
|
||||
- platform: gpio
|
||||
id: wave_io_binary_sensor
|
||||
pin:
|
||||
waveshare_io_ch32v003: wave_io
|
||||
number: 3
|
||||
mode: INPUT
|
||||
inverted: false
|
||||
|
||||
output:
|
||||
- platform: gpio
|
||||
id: wave_io_output
|
||||
pin:
|
||||
waveshare_io_ch32v003: wave_io
|
||||
number: 0
|
||||
mode: OUTPUT
|
||||
inverted: false
|
||||
|
||||
- platform: waveshare_io_ch32v003
|
||||
id: wave_io_pwm_output
|
||||
inverted: true
|
||||
zero_means_zero: true
|
||||
safe_pwm_levels:
|
||||
min_value: 0
|
||||
max_value: 247
|
||||
|
||||
sensor:
|
||||
- platform: waveshare_io_ch32v003
|
||||
id: wave_io_adc
|
||||
@@ -0,0 +1,4 @@
|
||||
packages:
|
||||
i2c: !include ../../test_build_components/common/i2c/esp32-idf.yaml
|
||||
|
||||
<<: !include common.yaml
|
||||
Reference in New Issue
Block a user