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Code Issues Releases Wiki Activity

Extend uart: with rx_buffer_size: (#1006)

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* Extend `uart:` with `rx_buffer_size:`

This allows to configure `rx_buffer_size:`
to efficiently receive big payloads over UART

* lint

* remove old default value

* add test

Co-authored-by: Guillermo Ruffino <glm.net@gmail.com>
This commit is contained in:
Kamil Trzciński
2020-06-10 02:22:06 +02:00
committed by GitHub
parent 64bd33a94e
commit cd7af19e7c
6 changed files with 20 additions and 5 deletions
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5
esphome/components/uart/__init__.py
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@@ -1,7 +1,8 @@
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import pins, automation
from esphome.const import CONF_BAUD_RATE, CONF_ID, CONF_RX_PIN, CONF_TX_PIN, CONF_UART_ID, CONF_DATA
from esphome.const import CONF_BAUD_RATE, CONF_ID, CONF_RX_PIN, CONF_TX_PIN, CONF_UART_ID, \
CONF_DATA, CONF_RX_BUFFER_SIZE
from esphome.core import CORE, coroutine
uart_ns = cg.esphome_ns.namespace('uart')
@@ -44,6 +45,7 @@ CONFIG_SCHEMA = cv.All(cv.Schema({
cv.Required(CONF_BAUD_RATE): cv.int_range(min=1),
cv.Optional(CONF_TX_PIN): pins.output_pin,
cv.Optional(CONF_RX_PIN): validate_rx_pin,
cv.Optional(CONF_RX_BUFFER_SIZE, default=256): cv.validate_bytes,
cv.Optional(CONF_STOP_BITS, default=1): cv.one_of(1, 2, int=True),
cv.Optional(CONF_DATA_BITS, default=8): cv.int_range(min=5, max=8),
cv.Optional(CONF_PARITY, default="NONE"): cv.enum(UART_PARITY_OPTIONS, upper=True)
@@ -61,6 +63,7 @@ def to_code(config):
cg.add(var.set_tx_pin(config[CONF_TX_PIN]))
if CONF_RX_PIN in config:
cg.add(var.set_rx_pin(config[CONF_RX_PIN]))
cg.add(var.set_rx_buffer_size(config[CONF_RX_BUFFER_SIZE]))
cg.add(var.set_stop_bits(config[CONF_STOP_BITS]))
cg.add(var.set_data_bits(config[CONF_DATA_BITS]))
cg.add(var.set_parity(config[CONF_PARITY]))