esphome/esphome/components/sx1509/__init__.py

109 lines
3.4 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import pins
from esphome.components import i2c
from esphome.const import (
CONF_ID,
CONF_INPUT,
CONF_NUMBER,
CONF_MODE,
CONF_INVERTED,
CONF_OUTPUT,
CONF_PULLUP,
)
CONF_KEYPAD = "keypad"
CONF_KEY_ROWS = "key_rows"
CONF_KEY_COLUMNS = "key_columns"
CONF_SLEEP_TIME = "sleep_time"
CONF_SCAN_TIME = "scan_time"
CONF_DEBOUNCE_TIME = "debounce_time"
CONF_SX1509_ID = "sx1509_id"
DEPENDENCIES = ["i2c"]
MULTI_CONF = True
sx1509_ns = cg.esphome_ns.namespace("sx1509")
SX1509Component = sx1509_ns.class_("SX1509Component", cg.Component, i2c.I2CDevice)
SX1509GPIOPin = sx1509_ns.class_("SX1509GPIOPin", cg.GPIOPin)
KEYPAD_SCHEMA = cv.Schema(
{
cv.Required(CONF_KEY_ROWS): cv.int_range(min=1, max=8),
cv.Required(CONF_KEY_COLUMNS): cv.int_range(min=1, max=8),
cv.Optional(CONF_SLEEP_TIME): cv.int_range(min=128, max=8192),
cv.Optional(CONF_SCAN_TIME): cv.int_range(min=1, max=128),
cv.Optional(CONF_DEBOUNCE_TIME): cv.int_range(min=1, max=64),
}
)
CONFIG_SCHEMA = (
cv.Schema(
{
cv.GenerateID(): cv.declare_id(SX1509Component),
cv.Optional(CONF_KEYPAD): cv.Schema(KEYPAD_SCHEMA),
}
)
.extend(cv.COMPONENT_SCHEMA)
.extend(i2c.i2c_device_schema(0x3E))
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
await i2c.register_i2c_device(var, config)
if CONF_KEYPAD in config:
keypad = config[CONF_KEYPAD]
cg.add(var.set_rows_cols(keypad[CONF_KEY_ROWS], keypad[CONF_KEY_COLUMNS]))
if (
CONF_SLEEP_TIME in keypad
and CONF_SCAN_TIME in keypad
and CONF_DEBOUNCE_TIME in keypad
):
cg.add(var.set_sleep_time(keypad[CONF_SLEEP_TIME]))
cg.add(var.set_scan_time(keypad[CONF_SCAN_TIME]))
cg.add(var.set_debounce_time(keypad[CONF_DEBOUNCE_TIME]))
def validate_mode(value):
if not (value[CONF_INPUT] or value[CONF_OUTPUT]):
raise cv.Invalid("Mode must be either input or output")
if value[CONF_INPUT] and value[CONF_OUTPUT]:
raise cv.Invalid("Mode must be either input or output")
if value[CONF_PULLUP] and not value[CONF_INPUT]:
raise cv.Invalid("Pullup only available with input")
return value
CONF_SX1509 = "sx1509"
SX1509_PIN_SCHEMA = cv.All(
{
cv.GenerateID(): cv.declare_id(SX1509GPIOPin),
cv.Required(CONF_SX1509): cv.use_id(SX1509Component),
cv.Required(CONF_NUMBER): cv.int_range(min=0, max=15),
cv.Optional(CONF_MODE, default={}): cv.All(
{
cv.Optional(CONF_INPUT, default=False): cv.boolean,
cv.Optional(CONF_PULLUP, default=False): cv.boolean,
cv.Optional(CONF_OUTPUT, default=False): cv.boolean,
},
validate_mode,
),
cv.Optional(CONF_INVERTED, default=False): cv.boolean,
}
)
@pins.PIN_SCHEMA_REGISTRY.register(CONF_SX1509, SX1509_PIN_SCHEMA)
async def sx1509_pin_to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
parent = await cg.get_variable(config[CONF_SX1509])
cg.add(var.set_parent(parent))
num = config[CONF_NUMBER]
cg.add(var.set_pin(num))
cg.add(var.set_inverted(config[CONF_INVERTED]))
cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
return var