diff --git a/esphome/__main__.py b/esphome/__main__.py index 614bc12bae..b4770914a7 100644 --- a/esphome/__main__.py +++ b/esphome/__main__.py @@ -11,6 +11,7 @@ from esphome.config import iter_components, read_config, strip_default_ids from esphome.const import ( CONF_BAUD_RATE, CONF_BROKER, + CONF_DEASSERT_RTS_DTR, CONF_LOGGER, CONF_OTA, CONF_PASSWORD, @@ -99,10 +100,21 @@ def run_miniterm(config, port): baud_rate = config["logger"][CONF_BAUD_RATE] if baud_rate == 0: _LOGGER.info("UART logging is disabled (baud_rate=0). Not starting UART logs.") + return _LOGGER.info("Starting log output from %s with baud rate %s", port, baud_rate) backtrace_state = False - with serial.Serial(port, baudrate=baud_rate) as ser: + ser = serial.Serial() + ser.baudrate = baud_rate + ser.port = port + + # We can't set to False by default since it leads to toggling and hence + # ESP32 resets on some platforms. + if config["logger"][CONF_DEASSERT_RTS_DTR]: + ser.dtr = False + ser.rts = False + + with ser: while True: try: raw = ser.readline() diff --git a/esphome/components/logger/__init__.py b/esphome/components/logger/__init__.py index 8d79c96f63..55178941ec 100644 --- a/esphome/components/logger/__init__.py +++ b/esphome/components/logger/__init__.py @@ -7,6 +7,7 @@ from esphome.automation import LambdaAction from esphome.const import ( CONF_ARGS, CONF_BAUD_RATE, + CONF_DEASSERT_RTS_DTR, CONF_FORMAT, CONF_HARDWARE_UART, CONF_ID, @@ -104,6 +105,7 @@ CONFIG_SCHEMA = cv.All( cv.GenerateID(): cv.declare_id(Logger), cv.Optional(CONF_BAUD_RATE, default=115200): cv.positive_int, cv.Optional(CONF_TX_BUFFER_SIZE, default=512): cv.validate_bytes, + cv.Optional(CONF_DEASSERT_RTS_DTR, default=False): cv.boolean, cv.Optional(CONF_HARDWARE_UART, default="UART0"): uart_selection, cv.Optional(CONF_LEVEL, default="DEBUG"): is_log_level, cv.Optional(CONF_LOGS, default={}): cv.Schema( diff --git a/esphome/const.py b/esphome/const.py index 9f3ce13b46..cd095677b3 100644 --- a/esphome/const.py +++ b/esphome/const.py @@ -163,6 +163,7 @@ CONF_DATA_TEMPLATE = "data_template" CONF_DAYS_OF_MONTH = "days_of_month" CONF_DAYS_OF_WEEK = "days_of_week" CONF_DC_PIN = "dc_pin" +CONF_DEASSERT_RTS_DTR = "deassert_rts_dtr" CONF_DEBOUNCE = "debounce" CONF_DECELERATION = "deceleration" CONF_DEFAULT_MODE = "default_mode"