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76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome import pins
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from esphome.components import key_provider
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from esphome.const import CONF_ID, CONF_PIN
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CODEOWNERS = ["@ssieb"]
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AUTO_LOAD = ["key_provider"]
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MULTI_CONF = True
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matrix_keypad_ns = cg.esphome_ns.namespace("matrix_keypad")
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MatrixKeypad = matrix_keypad_ns.class_(
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"MatrixKeypad", key_provider.KeyProvider, cg.Component
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)
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CONF_KEYPAD_ID = "keypad_id"
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CONF_ROWS = "rows"
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CONF_COLUMNS = "columns"
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CONF_KEYS = "keys"
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CONF_DEBOUNCE_TIME = "debounce_time"
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CONF_HAS_DIODES = "has_diodes"
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CONF_HAS_PULLDOWNS = "has_pulldowns"
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def check_keys(obj):
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if CONF_KEYS in obj:
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if len(obj[CONF_KEYS]) != len(obj[CONF_ROWS]) * len(obj[CONF_COLUMNS]):
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raise cv.Invalid("The number of key codes must equal the number of buttons")
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return obj
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CONFIG_SCHEMA = cv.All(
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cv.COMPONENT_SCHEMA.extend(
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{
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cv.GenerateID(): cv.declare_id(MatrixKeypad),
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cv.Required(CONF_ROWS): cv.All(
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cv.ensure_list({cv.Required(CONF_PIN): pins.gpio_output_pin_schema}),
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cv.Length(min=1),
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),
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cv.Required(CONF_COLUMNS): cv.All(
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cv.ensure_list({cv.Required(CONF_PIN): pins.gpio_input_pin_schema}),
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cv.Length(min=1),
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),
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cv.Optional(CONF_KEYS): cv.string,
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cv.Optional(CONF_DEBOUNCE_TIME, default=1): cv.int_range(min=1, max=100),
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cv.Optional(CONF_HAS_DIODES): cv.boolean,
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cv.Optional(CONF_HAS_PULLDOWNS): cv.boolean,
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}
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),
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check_keys,
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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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row_pins = []
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for conf in config[CONF_ROWS]:
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pin = await cg.gpio_pin_expression(conf[CONF_PIN])
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row_pins.append(pin)
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cg.add(var.set_rows(row_pins))
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col_pins = []
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for conf in config[CONF_COLUMNS]:
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pin = await cg.gpio_pin_expression(conf[CONF_PIN])
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col_pins.append(pin)
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cg.add(var.set_columns(col_pins))
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if CONF_KEYS in config:
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cg.add(var.set_keys(config[CONF_KEYS]))
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cg.add(var.set_debounce_time(config[CONF_DEBOUNCE_TIME]))
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if CONF_HAS_DIODES in config:
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cg.add(var.set_has_diodes(config[CONF_HAS_DIODES]))
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if CONF_HAS_PULLDOWNS in config:
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cg.add(var.set_has_pulldowns(config[CONF_HAS_PULLDOWNS]))
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