mirror of https://github.com/esphome/esphome.git
50 lines
1.5 KiB
Python
50 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 spi, canbus
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from esphome.const import CONF_ID, CONF_MODE
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from esphome.components.canbus import CanbusComponent
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CODEOWNERS = ["@mvturnho", "@danielschramm"]
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DEPENDENCIES = ["spi"]
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CONF_CLOCK = "clock"
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mcp2515_ns = cg.esphome_ns.namespace("mcp2515")
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mcp2515 = mcp2515_ns.class_("MCP2515", CanbusComponent, spi.SPIDevice)
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CanClock = mcp2515_ns.enum("CAN_CLOCK")
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McpMode = mcp2515_ns.enum("CANCTRL_REQOP_MODE")
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CAN_CLOCK = {
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"8MHZ": CanClock.MCP_8MHZ,
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"16MHZ": CanClock.MCP_16MHZ,
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"20MHZ": CanClock.MCP_20MHZ,
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}
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MCP_MODE = {
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"NORMAL": McpMode.CANCTRL_REQOP_NORMAL,
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"LOOPBACK": McpMode.CANCTRL_REQOP_LOOPBACK,
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"LISTENONLY": McpMode.CANCTRL_REQOP_LISTENONLY,
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}
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CONFIG_SCHEMA = canbus.CANBUS_SCHEMA.extend(
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{
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cv.GenerateID(): cv.declare_id(mcp2515),
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cv.Optional(CONF_CLOCK, default="8MHZ"): cv.enum(CAN_CLOCK, upper=True),
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cv.Optional(CONF_MODE, default="NORMAL"): cv.enum(MCP_MODE, upper=True),
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}
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).extend(spi.spi_device_schema(True))
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def to_code(config):
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rhs = mcp2515.new()
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var = cg.Pvariable(config[CONF_ID], rhs)
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yield canbus.register_canbus(var, config)
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if CONF_CLOCK in config:
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canclock = CAN_CLOCK[config[CONF_CLOCK]]
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cg.add(var.set_mcp_clock(canclock))
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if CONF_MODE in config:
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mode = MCP_MODE[config[CONF_MODE]]
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cg.add(var.set_mcp_mode(mode))
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yield spi.register_spi_device(var, config)
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