[components] Use cg.byte_span for std::span<const uint8_t> automation args (#22464)

esphome/components/ble_midi/__init__.py

@@ -35,7 +35,7 @@ CONF_VELOCITY = "velocity"
 ble_midi_ns = cg.esphome_ns.namespace("ble_midi")
 BLEMidi = ble_midi_ns.class_("BLEMidi", cg.Component, ble_client.BLEClientNode)
 # The message bytes as a view: data.size() and data[i] work, and nothing is copied
-ByteSpan = cg.std_span.template(cg.uint8.operator("const"))
+ByteSpan = cg.byte_span
 
 # MIDI data bytes are 7-bit and channels are 4-bit, matching what goes on the wire and what the triggers report.
 # Channel 0 is the channel that MIDI hardware usually labels "1".

esphome/components/hdmi_cec/__init__.py

@@ -31,12 +31,11 @@ CONF_OPCODE = "opcode"
 
 hdmi_cec_ns = cg.esphome_ns.namespace("hdmi_cec")
 HDMICEC = hdmi_cec_ns.class_("HDMICEC", cg.Component)
-_PAYLOAD_SPAN = cg.std_span.template(cg.uint8.operator("const"))
 _PAYLOAD_VECTOR = cg.std_vector.template(cg.uint8)
 _MESSAGE_ARGS = [
     (cg.uint8, "source"),
     (cg.uint8, "destination"),
-    (_PAYLOAD_SPAN, "data"),
+    (cg.byte_span, "data"),
 ]
 
 _request_message_callback_slot = cg.slot_counter("HDMI_CEC_MESSAGE_CALLBACK_COUNT")

esphome/components/modbus/__init__.py

@@ -171,7 +171,7 @@ def reject_broadcast_options_for_unicast(
 
 
 # Raw PDU; valid only during the automation.
-PDU_SPAN = cg.std_span.template(cg.uint8.operator("const"))
+PDU_SPAN = cg.byte_span
 
 _request_on_request_slot = cg.slot_counter("MODBUS_ON_REQUEST_COUNT")
 

esphome/components/modbus_controller/__init__.py

@@ -454,7 +454,7 @@ async def add_modbus_base_properties(
             [
                 (sensor_type.operator("ptr"), "item"),
                 (lambda_param_type, "x"),
-                (cg.std_span.template(cg.uint8.operator("const")), "data"),
+                (cg.byte_span, "data"),
             ],
             return_type=cg.optional.template(lambda_return_type),
         )

esphome/components/modbus_controller/select/__init__.py

@@ -118,7 +118,7 @@ async def to_code(config: ConfigType) -> None:
             [
                 (ModbusSelect.operator("const_ptr"), "item"),
                 (cg.int64, "x"),
-                (cg.std_span.template(cg.uint8.operator("const")), "data"),
+                (cg.byte_span, "data"),
             ],
             return_type=cg.optional.template(cg.std_string),
         )

esphome/components/rs485_frame/__init__.py

@@ -83,7 +83,6 @@ QUEUE_POLICIES = QueuePolicy.options("replace_latest", "fifo", prefix="QUEUE_")
 TX_GATE_MODES = TxGateMode.options(
     "frame_trigger", "idle_gap", "fixed_delay", prefix="TX_GATE_"
 )
-_BYTE_SPAN = cg.std_span.template(cg.uint8.operator("const"))
 
 MAX_COMMAND_VALUES = 8
 # Must agree with MAX_FRAME_TYPE_LEN in rs485_frame.h, which sizes a stack buffer.
@@ -350,9 +349,9 @@ async def to_code(config: ConfigType) -> None:
         await automation.build_callback_automation(
             var,
             "add_on_frame_callback",
-            [(_BYTE_SPAN, "payload")],
+            [(cg.byte_span, "payload")],
             conf,
-            params=[(_BYTE_SPAN, "payload")],
+            params=[(cg.byte_span, "payload")],
             when=" || ".join(checks) or None,
         )
 
@@ -361,7 +360,7 @@ def _progmem_span(config: ConfigType, value: list[int]) -> str:
     if not value:
         return "{}"
     table = automation.progmem_bytes(f"{config[CONF_ID]}_send", value)
-    return str(_BYTE_SPAN(table, len(value)))
+    return str(cg.byte_span(table, len(value)))
 
 
 def _validate_send_frame(config: ConfigType) -> ConfigType:

esphome/components/udp/__init__.py

@@ -31,7 +31,7 @@ udp_ns = cg.esphome_ns.namespace("udp")
 UDPComponent = udp_ns.class_("UDPComponent", cg.Component)
 trigger_argname = "data"
 # Listener callback type (non-owning span from UDP component)
-listener_args = cg.std_span.template(cg.uint8.operator("const"))
+listener_args = cg.byte_span
 listener_argtype = [(listener_args, trigger_argname)]
 # Automation/trigger type (owned vector, safe for deferred actions like delay)
 trigger_args = cg.std_vector.template(cg.uint8)