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45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import display, spi
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from esphome.const import CONF_ID, CONF_INTENSITY, CONF_LAMBDA, CONF_NUM_CHIPS
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DEPENDENCIES = ["spi"]
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max7219_ns = cg.esphome_ns.namespace("max7219")
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MAX7219Component = max7219_ns.class_(
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"MAX7219Component", cg.PollingComponent, spi.SPIDevice
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)
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MAX7219ComponentRef = MAX7219Component.operator("ref")
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CONF_REVERSE_ENABLE = "reverse_enable"
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CONFIG_SCHEMA = (
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display.BASIC_DISPLAY_SCHEMA.extend(
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{
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cv.GenerateID(): cv.declare_id(MAX7219Component),
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cv.Optional(CONF_NUM_CHIPS, default=1): cv.int_range(min=1, max=255),
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cv.Optional(CONF_INTENSITY, default=15): cv.int_range(min=0, max=15),
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cv.Optional(CONF_REVERSE_ENABLE, default=False): cv.boolean,
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}
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)
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.extend(cv.polling_component_schema("1s"))
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.extend(spi.spi_device_schema())
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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 spi.register_spi_device(var, config)
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await display.register_display(var, config)
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cg.add(var.set_num_chips(config[CONF_NUM_CHIPS]))
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cg.add(var.set_intensity(config[CONF_INTENSITY]))
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cg.add(var.set_reverse(config[CONF_REVERSE_ENABLE]))
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if CONF_LAMBDA in config:
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lambda_ = await cg.process_lambda(
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config[CONF_LAMBDA], [(MAX7219ComponentRef, "it")], return_type=cg.void
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)
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cg.add(var.set_writer(lambda_))
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