83 lines
3.0 KiB
Python
83 lines
3.0 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 time as time_
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from esphome.const import CONF_ID, CONF_NUMBER, PLATFORM_ESP32
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CODEOWNERS = ["@misterblack1"]
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ESP_PLATFORMS = [PLATFORM_ESP32]
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aip33628_ns = cg.esphome_ns.namespace("aip33628")
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Aip33628Panel = aip33628_ns.class_("Aip33628Panel", cg.Component)
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CONF_CLK_PIN = "clk_pin"
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CONF_DATA_PIN = "data_pin"
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CONF_CLK2_PIN = "clk2_pin"
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CONF_DATA2_PIN = "data2_pin"
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CONF_TIME_ID = "time_id"
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CONF_MAX_CURRENT = "max_current"
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CONF_TWELVE_HOUR = "twelve_hour"
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CONF_BLINK_COLON = "blink_colon"
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def _low_bank_pin(value):
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"""Both buses are clocked from one write to the low GPIO output register.
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That register only reaches GPIO0 to GPIO31. A pin above that would need a
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second register and a second store per edge, which is most of the reason
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the frame send is fast enough to subdivide a COM slot at all.
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"""
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pin = value[CONF_NUMBER]
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if pin >= 32:
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raise cv.Invalid(
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f"GPIO{pin} is above GPIO31, and the display scan drives all four "
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"lines from the low output register. Pick a pin below GPIO32."
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)
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return value
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CONFIG_SCHEMA = cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(Aip33628Panel),
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cv.Required(CONF_CLK_PIN): cv.All(
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pins.internal_gpio_output_pin_schema, _low_bank_pin
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),
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cv.Required(CONF_DATA_PIN): cv.All(
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pins.internal_gpio_output_pin_schema, _low_bank_pin
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),
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cv.Required(CONF_CLK2_PIN): cv.All(
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pins.internal_gpio_output_pin_schema, _low_bank_pin
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),
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cv.Required(CONF_DATA2_PIN): cv.All(
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pins.internal_gpio_output_pin_schema, _low_bank_pin
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),
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cv.Optional(CONF_TIME_ID): cv.use_id(time_.RealTimeClock),
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# A fixed ceiling on IS[3:0]. It must not depend on what is on screen,
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# or the whole panel changes brightness whenever the colon blinks.
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cv.Optional(CONF_MAX_CURRENT, default=15): cv.int_range(min=0, max=15),
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# Power on defaults only. Home Assistant owns both at run time
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# through the template switches in clock.yaml.
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cv.Optional(CONF_TWELVE_HOUR, default=True): cv.boolean,
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cv.Optional(CONF_BLINK_COLON, default=True): cv.boolean,
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}
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).extend(cv.COMPONENT_SCHEMA)
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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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clk = await cg.gpio_pin_expression(config[CONF_CLK_PIN])
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data = await cg.gpio_pin_expression(config[CONF_DATA_PIN])
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clk2 = await cg.gpio_pin_expression(config[CONF_CLK2_PIN])
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data2 = await cg.gpio_pin_expression(config[CONF_DATA2_PIN])
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cg.add(var.set_pins(clk, data, clk2, data2))
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if CONF_TIME_ID in config:
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rtc = await cg.get_variable(config[CONF_TIME_ID])
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cg.add(var.set_time(rtc))
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cg.add(var.set_max_current(config[CONF_MAX_CURRENT]))
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cg.add(var.set_twelve_hour(config[CONF_TWELVE_HOUR]))
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cg.add(var.set_blink_colon(config[CONF_BLINK_COLON]))
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