XL9535 I/O Expander (#4899)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
2026-06-04 03:48:29 +02:00 · 2023-06-19 04:26:06 +01:00
parent 67771abc9d
commit 41a618737b
5 changed files with 263 additions and 0 deletions
@@ -0,0 +1,73 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import i2c
+from esphome.const import (
+    CONF_ID,
+    CONF_INPUT,
+    CONF_INVERTED,
+    CONF_MODE,
+    CONF_NUMBER,
+    CONF_OUTPUT,
+)
+from esphome import pins
+
+CONF_XL9535 = "xl9535"
+
+DEPENDENCIES = ["i2c"]
+CODEOWNERS = ["@mreditor97"]
+
+xl9535_ns = cg.esphome_ns.namespace(CONF_XL9535)
+
+XL9535Component = xl9535_ns.class_("XL9535Component", cg.Component, i2c.I2CDevice)
+XL9535GPIOPin = xl9535_ns.class_("XL9535GPIOPin", cg.GPIOPin)
+
+MULTI_CONF = True
+CONFIG_SCHEMA = (
+    cv.Schema({cv.Required(CONF_ID): cv.declare_id(XL9535Component)})
+    .extend(cv.COMPONENT_SCHEMA)
+    .extend(i2c.i2c_device_schema(0x20))
+)
+
+
+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)
+
+
+def validate_mode(mode):
+    if not (mode[CONF_INPUT] or mode[CONF_OUTPUT]) or (
+        mode[CONF_INPUT] and mode[CONF_OUTPUT]
+    ):
+        raise cv.Invalid("Mode must be either a input or a output")
+    return mode
+
+
+XL9535_PIN_SCHEMA = cv.All(
+    {
+        cv.GenerateID(): cv.declare_id(XL9535GPIOPin),
+        cv.Required(CONF_XL9535): cv.use_id(XL9535Component),
+        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_OUTPUT, default=False): cv.boolean,
+            },
+            validate_mode,
+        ),
+        cv.Optional(CONF_INVERTED, default=False): cv.boolean,
+    }
+)
+
+
+@pins.PIN_SCHEMA_REGISTRY.register(CONF_XL9535, XL9535_PIN_SCHEMA)
+async def xl9535_pin_to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    parent = await cg.get_variable(config[CONF_XL9535])
+
+    cg.add(var.set_parent(parent))
+    cg.add(var.set_pin(config[CONF_NUMBER]))
+    cg.add(var.set_inverted(config[CONF_INVERTED]))
+    cg.add(var.set_flags(pins.gpio_flags_expr(config[CONF_MODE])))
+
+    return var