152 lines
5 KiB
Python
152 lines
5 KiB
Python
from esphome import automation, pins
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import esphome.codegen as cg
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from esphome.components import i2c, key_provider
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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_ON_KEY,
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CONF_OPEN_DRAIN,
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CONF_OUTPUT,
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CONF_PULLDOWN,
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CONF_PULLUP,
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CONF_TRIGGER_ID,
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)
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CONF_KEYPAD = "keypad"
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CONF_KEYS = "keys"
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CONF_KEY_ROWS = "key_rows"
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CONF_KEY_COLUMNS = "key_columns"
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CONF_SLEEP_TIME = "sleep_time"
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CONF_SCAN_TIME = "scan_time"
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CONF_DEBOUNCE_TIME = "debounce_time"
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CONF_SX1509_ID = "sx1509_id"
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AUTO_LOAD = ["key_provider"]
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DEPENDENCIES = ["i2c"]
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MULTI_CONF = True
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sx1509_ns = cg.esphome_ns.namespace("sx1509")
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SX1509Component = sx1509_ns.class_(
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"SX1509Component", cg.Component, i2c.I2CDevice, key_provider.KeyProvider
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)
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SX1509GPIOPin = sx1509_ns.class_("SX1509GPIOPin", cg.GPIOPin)
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SX1509KeyTrigger = sx1509_ns.class_(
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"SX1509KeyTrigger", automation.Trigger.template(cg.uint8)
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)
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def check_keys(config):
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if CONF_KEYS in config:
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if len(config[CONF_KEYS]) != config[CONF_KEY_ROWS] * config[CONF_KEY_COLUMNS]:
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raise cv.Invalid(
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"The number of key codes must equal the number of rows * columns"
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)
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return config
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KEYPAD_SCHEMA = cv.All(
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cv.Schema(
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{
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cv.Required(CONF_KEY_ROWS): cv.int_range(min=2, max=8),
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cv.Required(CONF_KEY_COLUMNS): cv.int_range(min=1, max=8),
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cv.Optional(CONF_SLEEP_TIME): cv.int_range(min=128, max=8192),
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cv.Optional(CONF_SCAN_TIME): cv.int_range(min=1, max=128),
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cv.Optional(CONF_DEBOUNCE_TIME): cv.int_range(min=1, max=64),
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cv.Optional(CONF_KEYS): cv.string,
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cv.Optional(CONF_ON_KEY): automation.validate_automation(
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{
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cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(SX1509KeyTrigger),
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}
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),
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}
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),
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check_keys,
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)
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CONFIG_SCHEMA = (
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cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(SX1509Component),
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cv.Optional(CONF_KEYPAD): cv.Schema(KEYPAD_SCHEMA),
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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(0x3E))
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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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if conf := config.get(CONF_KEYPAD):
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cg.add(var.set_rows_cols(conf[CONF_KEY_ROWS], conf[CONF_KEY_COLUMNS]))
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if (
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CONF_SLEEP_TIME in conf
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and CONF_SCAN_TIME in conf
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and CONF_DEBOUNCE_TIME in conf
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):
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cg.add(var.set_sleep_time(conf[CONF_SLEEP_TIME]))
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cg.add(var.set_scan_time(conf[CONF_SCAN_TIME]))
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cg.add(var.set_debounce_time(conf[CONF_DEBOUNCE_TIME]))
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if keys := conf.get(CONF_KEYS):
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cg.add(var.set_keys(keys))
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for tconf in conf.get(CONF_ON_KEY, []):
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trigger = cg.new_Pvariable(tconf[CONF_TRIGGER_ID])
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cg.add(var.register_key_trigger(trigger))
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await automation.build_automation(trigger, [(cg.uint8, "x")], tconf)
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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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if value[CONF_PULLUP] and not value[CONF_INPUT]:
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raise cv.Invalid("Pullup only available with input")
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if value[CONF_PULLDOWN] and not value[CONF_INPUT]:
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raise cv.Invalid("Pulldown only available with input")
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if value[CONF_PULLUP] and value[CONF_PULLDOWN]:
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raise cv.Invalid("Can only have one of pullup or pulldown")
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if value[CONF_OPEN_DRAIN] and not value[CONF_OUTPUT]:
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raise cv.Invalid("Open drain available only with output")
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return value
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CONF_SX1509 = "sx1509"
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SX1509_PIN_SCHEMA = cv.All(
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{
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cv.GenerateID(): cv.declare_id(SX1509GPIOPin),
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cv.Required(CONF_SX1509): cv.use_id(SX1509Component),
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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_PULLUP, default=False): cv.boolean,
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cv.Optional(CONF_PULLDOWN, default=False): cv.boolean,
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cv.Optional(CONF_OUTPUT, default=False): cv.boolean,
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cv.Optional(CONF_OPEN_DRAIN, 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_SX1509, SX1509_PIN_SCHEMA)
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async def sx1509_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_SX1509])
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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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