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Allow empty UART debug: option, logging in hex format by default (#2771)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: Maurice Makaay <account-github@makaay.nl>
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Maurice Makaay 2021-11-24 23:51:56 +01:00 committed by GitHub
parent ccfa1e23f0
commit ceb9b1d1ff
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2 changed files with 28 additions and 3 deletions
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29
esphome/components/uart/__init__.py
View file

@ -3,6 +3,7 @@ from typing import Optional
import esphome.codegen as cg
import esphome.config_validation as cv
import esphome.final_validate as fv
from esphome.yaml_util import make_data_base
from esphome import pins, automation
from esphome.const import (
CONF_BAUD_RATE,
@ -24,6 +25,7 @@ from esphome.const import (
CONF_DELIMITER,
CONF_DUMMY_RECEIVER,
CONF_DUMMY_RECEIVER_ID,
CONF_LAMBDA,
)
from esphome.core import CORE
@ -94,7 +96,26 @@ UART_DIRECTIONS = {
"BOTH": UARTDirection.UART_DIRECTION_BOTH,
}
AFTER_DEFAULTS = {CONF_BYTES: 256, CONF_TIMEOUT: "100ms"}
# The reason for having CONF_BYTES at 150 by default:
#
# The log message buffer size is 512 bytes by default. About 35 bytes are
# used for the log prefix. That leaves us with 477 bytes for logging data.
# The default log output is hex, which uses 3 characters per represented
# byte (2 hex chars + 1 separator). That means that 477 / 3 = 159 bytes
# can be represented in a single log line. Using 150, because people love
# round numbers.
AFTER_DEFAULTS = {CONF_BYTES: 150, CONF_TIMEOUT: "100ms"}
# By default, log in hex format when no specific sequence is provided.
DEFAULT_DEBUG_OUTPUT = "UARTDebug::log_hex(direction, bytes, ':');"
DEFAULT_SEQUENCE = [{CONF_LAMBDA: make_data_base(DEFAULT_DEBUG_OUTPUT)}]
def maybe_empty_debug(value):
if value is None:
value = {}
return DEBUG_SCHEMA(value)
DEBUG_SCHEMA = cv.Schema(
{
@ -113,7 +134,9 @@ DEBUG_SCHEMA = cv.Schema(
cv.Optional(CONF_DELIMITER): cv.templatable(validate_raw_data),
}
),
cv.Required(CONF_SEQUENCE): automation.validate_automation(),
cv.Optional(
CONF_SEQUENCE, default=DEFAULT_SEQUENCE
): automation.validate_automation(),
cv.Optional(CONF_DUMMY_RECEIVER, default=False): cv.boolean,
cv.GenerateID(CONF_DUMMY_RECEIVER_ID): cv.declare_id(UARTDummyReceiver),
}
@ -135,7 +158,7 @@ CONFIG_SCHEMA = cv.All(
cv.Optional(CONF_INVERT): cv.invalid(
"This option has been removed. Please instead use invert in the tx/rx pin schemas."
),
cv.Optional(CONF_DEBUG): DEBUG_SCHEMA,
cv.Optional(CONF_DEBUG): maybe_empty_debug,
}
).extend(cv.COMPONENT_SCHEMA),
cv.has_at_least_one_key(CONF_TX_PIN, CONF_RX_PIN),

2
tests/test3.yaml
View file

@ -254,6 +254,8 @@ uart:
tx_pin: GPIO4
rx_pin: GPIO5
baud_rate: 38400
# Specifically added for testing debug with no options at all.
debug:
modbus:
uart_id: uart1