mirror of https://github.com/esphome/esphome.git
142 lines
4.7 KiB
Python
142 lines
4.7 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome import automation
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from esphome.core import CORE, coroutine
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from esphome.const import CONF_ID, CONF_TRIGGER_ID, CONF_DATA
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CODEOWNERS = ["@mvturnho", "@danielschramm"]
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IS_PLATFORM_COMPONENT = True
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CONF_CAN_ID = "can_id"
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CONF_USE_EXTENDED_ID = "use_extended_id"
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CONF_CANBUS_ID = "canbus_id"
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CONF_BIT_RATE = "bit_rate"
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CONF_ON_FRAME = "on_frame"
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CONF_CANBUS_SEND = "canbus.send"
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def validate_id(id_value, id_ext):
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if not id_ext:
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if id_value > 0x7FF:
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raise cv.Invalid("Standard IDs must be 11 Bit (0x000-0x7ff / 0-2047)")
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def validate_raw_data(value):
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if isinstance(value, str):
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return value.encode("utf-8")
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if isinstance(value, list):
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return cv.Schema([cv.hex_uint8_t])(value)
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raise cv.Invalid(
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"data must either be a string wrapped in quotes or a list of bytes"
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)
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canbus_ns = cg.esphome_ns.namespace("canbus")
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CanbusComponent = canbus_ns.class_("CanbusComponent", cg.Component)
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CanbusTrigger = canbus_ns.class_(
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"CanbusTrigger",
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automation.Trigger.template(cg.std_vector.template(cg.uint8)),
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cg.Component,
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)
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CanSpeed = canbus_ns.enum("CAN_SPEED")
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CAN_SPEEDS = {
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"5KBPS": CanSpeed.CAN_5KBPS,
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"10KBPS": CanSpeed.CAN_10KBPS,
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"20KBPS": CanSpeed.CAN_20KBPS,
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"31K25BPS": CanSpeed.CAN_31K25BPS,
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"33KBPS": CanSpeed.CAN_33KBPS,
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"40KBPS": CanSpeed.CAN_40KBPS,
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"50KBPS": CanSpeed.CAN_50KBPS,
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"80KBPS": CanSpeed.CAN_80KBPS,
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"83K3BPS": CanSpeed.CAN_83K3BPS,
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"95KBPS": CanSpeed.CAN_95KBPS,
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"100KBPS": CanSpeed.CAN_100KBPS,
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"125KBPS": CanSpeed.CAN_125KBPS,
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"200KBPS": CanSpeed.CAN_200KBPS,
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"250KBPS": CanSpeed.CAN_250KBPS,
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"500KBPS": CanSpeed.CAN_500KBPS,
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"1000KBPS": CanSpeed.CAN_1000KBPS,
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}
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CONFIG_SCHEMA = cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(CanbusComponent),
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cv.Required(CONF_CAN_ID): cv.int_range(min=0, max=0x1FFFFFFF),
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cv.Optional(CONF_BIT_RATE, default="125KBPS"): cv.enum(CAN_SPEEDS, upper=True),
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cv.Optional(CONF_USE_EXTENDED_ID, default=False): cv.boolean,
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cv.Optional(CONF_ON_FRAME): automation.validate_automation(
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{
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cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(CanbusTrigger),
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cv.GenerateID(CONF_CAN_ID): cv.int_range(min=0, max=0x1FFFFFFF),
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cv.Optional(CONF_USE_EXTENDED_ID, default=False): cv.boolean,
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}
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),
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}
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).extend(cv.COMPONENT_SCHEMA)
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@coroutine
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def setup_canbus_core_(var, config):
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validate_id(config[CONF_CAN_ID], config[CONF_USE_EXTENDED_ID])
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yield cg.register_component(var, config)
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cg.add(var.set_can_id([config[CONF_CAN_ID]]))
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cg.add(var.set_use_extended_id([config[CONF_USE_EXTENDED_ID]]))
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cg.add(var.set_bitrate(CAN_SPEEDS[config[CONF_BIT_RATE]]))
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for conf in config.get(CONF_ON_FRAME, []):
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can_id = conf[CONF_CAN_ID]
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ext_id = conf[CONF_USE_EXTENDED_ID]
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validate_id(can_id, ext_id)
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trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var, can_id, ext_id)
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yield cg.register_component(trigger, conf)
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yield automation.build_automation(
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trigger, [(cg.std_vector.template(cg.uint8), "x")], conf
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)
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@coroutine
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def register_canbus(var, config):
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if not CORE.has_id(config[CONF_ID]):
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var = cg.new_Pvariable(config[CONF_ID], var)
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yield setup_canbus_core_(var, config)
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# Actions
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@automation.register_action(
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CONF_CANBUS_SEND,
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canbus_ns.class_("CanbusSendAction", automation.Action),
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cv.maybe_simple_value(
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{
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cv.GenerateID(CONF_CANBUS_ID): cv.use_id(CanbusComponent),
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cv.Optional(CONF_CAN_ID): cv.int_range(min=0, max=0x1FFFFFFF),
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cv.Optional(CONF_USE_EXTENDED_ID, default=False): cv.boolean,
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cv.Required(CONF_DATA): cv.templatable(validate_raw_data),
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},
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key=CONF_DATA,
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),
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)
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def canbus_action_to_code(config, action_id, template_arg, args):
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validate_id(config[CONF_CAN_ID], config[CONF_USE_EXTENDED_ID])
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var = cg.new_Pvariable(action_id, template_arg)
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yield cg.register_parented(var, config[CONF_CANBUS_ID])
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if CONF_CAN_ID in config:
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can_id = yield cg.templatable(config[CONF_CAN_ID], args, cg.uint32)
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cg.add(var.set_can_id(can_id))
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use_extended_id = yield cg.templatable(
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config[CONF_USE_EXTENDED_ID], args, cg.uint32
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)
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cg.add(var.set_use_extended_id(use_extended_id))
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data = config[CONF_DATA]
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if isinstance(data, bytes):
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data = [int(x) for x in data]
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if cg.is_template(data):
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templ = yield cg.templatable(data, args, cg.std_vector.template(cg.uint8))
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cg.add(var.set_data_template(templ))
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else:
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cg.add(var.set_data_static(data))
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yield var
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