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esphome/esphome/components/mcp23017.py
2019-03-05 13:44:38 +01:00

36 lines
1.1 KiB
Python

import voluptuous as vol
from esphome import pins
import esphome.config_validation as cv
from esphome.const import CONF_ADDRESS, CONF_ID
from esphome.cpp_generator import Pvariable
from esphome.cpp_helpers import setup_component
from esphome.cpp_types import App, GPIOInputPin, GPIOOutputPin, io_ns, esphome_ns
DEPENDENCIES = ['i2c']
MULTI_CONF = True
MCP23017GPIOMode = esphome_ns.enum('MCP23017GPIOMode')
MCP23017_GPIO_MODES = {
'INPUT': MCP23017GPIOMode.MCP23017_INPUT,
'INPUT_PULLUP': MCP23017GPIOMode.MCP23017_INPUT_PULLUP,
'OUTPUT': MCP23017GPIOMode.MCP23017_OUTPUT,
}
MCP23017GPIOInputPin = io_ns.class_('MCP23017GPIOInputPin', GPIOInputPin)
MCP23017GPIOOutputPin = io_ns.class_('MCP23017GPIOOutputPin', GPIOOutputPin)
CONFIG_SCHEMA = cv.Schema({
vol.Required(CONF_ID): cv.declare_variable_id(pins.MCP23017),
vol.Optional(CONF_ADDRESS, default=0x20): cv.i2c_address,
}).extend(cv.COMPONENT_SCHEMA.schema)
def to_code(config):
rhs = App.make_mcp23017_component(config[CONF_ADDRESS])
var = Pvariable(config[CONF_ID], rhs)
setup_component(var, config)
BUILD_FLAGS = '-DUSE_MCP23017'