mirror of
https://github.com/esphome/esphome.git
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116 lines
3.7 KiB
Python
116 lines
3.7 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 spi, touchscreen
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from esphome.const import CONF_ID, CONF_THRESHOLD
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CODEOWNERS = ["@numo68", "@nielsnl68"]
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DEPENDENCIES = ["spi"]
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XPT2046_ns = cg.esphome_ns.namespace("xpt2046")
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XPT2046Component = XPT2046_ns.class_(
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"XPT2046Component", touchscreen.Touchscreen, cg.PollingComponent, spi.SPIDevice
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)
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CONF_INTERRUPT_PIN = "interrupt_pin"
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CONF_REPORT_INTERVAL = "report_interval"
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CONF_CALIBRATION_X_MIN = "calibration_x_min"
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CONF_CALIBRATION_X_MAX = "calibration_x_max"
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CONF_CALIBRATION_Y_MIN = "calibration_y_min"
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CONF_CALIBRATION_Y_MAX = "calibration_y_max"
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CONF_SWAP_X_Y = "swap_x_y"
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# obsolete Keys
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CONF_DIMENSION_X = "dimension_x"
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CONF_DIMENSION_Y = "dimension_y"
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CONF_IRQ_PIN = "irq_pin"
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def validate_xpt2046(config):
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if (
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abs(
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cv.int_(config[CONF_CALIBRATION_X_MAX])
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- cv.int_(config[CONF_CALIBRATION_X_MIN])
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)
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< 1000
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):
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raise cv.Invalid("Calibration X values difference < 1000")
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if (
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abs(
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cv.int_(config[CONF_CALIBRATION_Y_MAX])
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- cv.int_(config[CONF_CALIBRATION_Y_MIN])
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)
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< 1000
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):
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raise cv.Invalid("Calibration Y values difference < 1000")
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return config
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def report_interval(value):
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if value == "never":
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return 4294967295 # uint32_t max
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return cv.positive_time_period_milliseconds(value)
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CONFIG_SCHEMA = touchscreen.TOUCHSCREEN_SCHEMA.extend(
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cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(XPT2046Component),
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cv.Optional(CONF_INTERRUPT_PIN): cv.All(
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pins.internal_gpio_input_pin_schema
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),
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cv.Optional(CONF_CALIBRATION_X_MIN, default=0): cv.int_range(
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min=0, max=4095
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),
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cv.Optional(CONF_CALIBRATION_X_MAX, default=4095): cv.int_range(
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min=0, max=4095
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),
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cv.Optional(CONF_CALIBRATION_Y_MIN, default=0): cv.int_range(
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min=0, max=4095
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),
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cv.Optional(CONF_CALIBRATION_Y_MAX, default=4095): cv.int_range(
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min=0, max=4095
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),
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cv.Optional(CONF_THRESHOLD, default=400): cv.int_range(min=0, max=4095),
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cv.Optional(CONF_REPORT_INTERVAL, default="never"): report_interval,
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cv.Optional(CONF_SWAP_X_Y, default=False): cv.boolean,
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# obsolete Keys
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cv.Optional(CONF_IRQ_PIN): cv.invalid("Rename IRQ_PIN to INTERUPT_PIN"),
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cv.Optional(CONF_DIMENSION_X): cv.invalid(
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"This key is now obsolete, please remove it"
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),
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cv.Optional(CONF_DIMENSION_Y): cv.invalid(
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"This key is now obsolete, please remove it"
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),
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},
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)
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.extend(cv.polling_component_schema("50ms"))
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.extend(spi.spi_device_schema()),
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).add_extra(validate_xpt2046)
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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 touchscreen.register_touchscreen(var, config)
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cg.add(var.set_threshold(config[CONF_THRESHOLD]))
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cg.add(var.set_report_interval(config[CONF_REPORT_INTERVAL]))
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cg.add(var.set_swap_x_y(config[CONF_SWAP_X_Y]))
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cg.add(
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var.set_calibration(
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config[CONF_CALIBRATION_X_MIN],
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config[CONF_CALIBRATION_X_MAX],
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config[CONF_CALIBRATION_Y_MIN],
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config[CONF_CALIBRATION_Y_MAX],
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)
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)
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if CONF_INTERRUPT_PIN in config:
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pin = await cg.gpio_pin_expression(config[CONF_INTERRUPT_PIN])
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cg.add(var.set_irq_pin(pin))
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