import re import esphome.codegen as cg import esphome.config_validation as cv from esphome import automation 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, CONF_LEVEL, CONF_LOGS, CONF_ON_MESSAGE, CONF_TAG, CONF_TRIGGER_ID, CONF_TX_BUFFER_SIZE, PLATFORM_BK72XX, PLATFORM_RTL87XX, PLATFORM_ESP32, PLATFORM_ESP8266, PLATFORM_RP2040, ) from esphome.core import CORE, EsphomeError, Lambda, coroutine_with_priority from esphome.components.esp32 import add_idf_sdkconfig_option, get_esp32_variant from esphome.components.esp32.const import ( VARIANT_ESP32, VARIANT_ESP32S2, VARIANT_ESP32C3, VARIANT_ESP32S3, VARIANT_ESP32C2, VARIANT_ESP32C6, VARIANT_ESP32H2, ) from esphome.components.libretiny import get_libretiny_component, get_libretiny_family from esphome.components.libretiny.const import ( COMPONENT_BK72XX, COMPONENT_RTL87XX, ) CODEOWNERS = ["@esphome/core"] logger_ns = cg.esphome_ns.namespace("logger") LOG_LEVELS = { "NONE": cg.global_ns.ESPHOME_LOG_LEVEL_NONE, "ERROR": cg.global_ns.ESPHOME_LOG_LEVEL_ERROR, "WARN": cg.global_ns.ESPHOME_LOG_LEVEL_WARN, "INFO": cg.global_ns.ESPHOME_LOG_LEVEL_INFO, "DEBUG": cg.global_ns.ESPHOME_LOG_LEVEL_DEBUG, "VERBOSE": cg.global_ns.ESPHOME_LOG_LEVEL_VERBOSE, "VERY_VERBOSE": cg.global_ns.ESPHOME_LOG_LEVEL_VERY_VERBOSE, } LOG_LEVEL_TO_ESP_LOG = { "ERROR": cg.global_ns.ESP_LOGE, "WARN": cg.global_ns.ESP_LOGW, "INFO": cg.global_ns.ESP_LOGI, "DEBUG": cg.global_ns.ESP_LOGD, "VERBOSE": cg.global_ns.ESP_LOGV, "VERY_VERBOSE": cg.global_ns.ESP_LOGVV, } LOG_LEVEL_SEVERITY = [ "NONE", "ERROR", "WARN", "INFO", "CONFIG", "DEBUG", "VERBOSE", "VERY_VERBOSE", ] UART0 = "UART0" UART1 = "UART1" UART2 = "UART2" UART0_SWAP = "UART0_SWAP" USB_SERIAL_JTAG = "USB_SERIAL_JTAG" USB_CDC = "USB_CDC" DEFAULT = "DEFAULT" UART_SELECTION_ESP32 = { VARIANT_ESP32: [UART0, UART1, UART2], VARIANT_ESP32S2: [UART0, UART1, USB_CDC], VARIANT_ESP32S3: [UART0, UART1, USB_CDC, USB_SERIAL_JTAG], VARIANT_ESP32C3: [UART0, UART1, USB_CDC, USB_SERIAL_JTAG], VARIANT_ESP32C2: [UART0, UART1], VARIANT_ESP32C6: [UART0, UART1, USB_CDC, USB_SERIAL_JTAG], VARIANT_ESP32H2: [UART0, UART1, USB_CDC, USB_SERIAL_JTAG], } UART_SELECTION_ESP8266 = [UART0, UART0_SWAP, UART1] UART_SELECTION_LIBRETINY = { COMPONENT_BK72XX: [DEFAULT, UART1, UART2], COMPONENT_RTL87XX: [DEFAULT, UART0, UART1, UART2], } ESP_ARDUINO_UNSUPPORTED_USB_UARTS = [USB_SERIAL_JTAG] UART_SELECTION_RP2040 = [USB_CDC, UART0, UART1] HARDWARE_UART_TO_UART_SELECTION = { UART0: logger_ns.UART_SELECTION_UART0, UART0_SWAP: logger_ns.UART_SELECTION_UART0_SWAP, UART1: logger_ns.UART_SELECTION_UART1, UART2: logger_ns.UART_SELECTION_UART2, USB_CDC: logger_ns.UART_SELECTION_USB_CDC, USB_SERIAL_JTAG: logger_ns.UART_SELECTION_USB_SERIAL_JTAG, DEFAULT: logger_ns.UART_SELECTION_DEFAULT, } HARDWARE_UART_TO_SERIAL = { UART0: cg.global_ns.Serial, UART0_SWAP: cg.global_ns.Serial, UART1: cg.global_ns.Serial1, UART2: cg.global_ns.Serial2, DEFAULT: cg.global_ns.Serial, } is_log_level = cv.one_of(*LOG_LEVELS, upper=True) def uart_selection(value): if CORE.is_esp32: if CORE.using_arduino and value.upper() in ESP_ARDUINO_UNSUPPORTED_USB_UARTS: raise cv.Invalid(f"Arduino framework does not support {value}.") variant = get_esp32_variant() if variant in UART_SELECTION_ESP32: return cv.one_of(*UART_SELECTION_ESP32[variant], upper=True)(value) if CORE.is_esp8266: return cv.one_of(*UART_SELECTION_ESP8266, upper=True)(value) if CORE.is_rp2040: return cv.one_of(*UART_SELECTION_RP2040, upper=True)(value) if CORE.is_libretiny: family = get_libretiny_family() if family in UART_SELECTION_LIBRETINY: return cv.one_of(*UART_SELECTION_LIBRETINY[family], upper=True)(value) component = get_libretiny_component() if component in UART_SELECTION_LIBRETINY: return cv.one_of(*UART_SELECTION_LIBRETINY[component], upper=True)(value) raise NotImplementedError def validate_local_no_higher_than_global(value): global_level = value.get(CONF_LEVEL, "DEBUG") for tag, level in value.get(CONF_LOGS, {}).items(): if LOG_LEVEL_SEVERITY.index(level) > LOG_LEVEL_SEVERITY.index(global_level): raise EsphomeError( f"The local log level {level} for {tag} must be less severe than the global log level {global_level}." ) return value Logger = logger_ns.class_("Logger", cg.Component) LoggerMessageTrigger = logger_ns.class_( "LoggerMessageTrigger", automation.Trigger.template(cg.int_, cg.const_char_ptr, cg.const_char_ptr), ) CONF_ESP8266_STORE_LOG_STRINGS_IN_FLASH = "esp8266_store_log_strings_in_flash" CONFIG_SCHEMA = cv.All( cv.Schema( { 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.SplitDefault( CONF_HARDWARE_UART, esp8266=UART0, esp32=UART0, esp32_s2=USB_CDC, esp32_s3_arduino=USB_CDC, esp32_s3_idf=USB_SERIAL_JTAG, esp32_c3_arduino=USB_CDC, esp32_c3_idf=USB_SERIAL_JTAG, rp2040=USB_CDC, bk72xx=DEFAULT, rtl87xx=DEFAULT, ): cv.All( cv.only_on( [ PLATFORM_ESP8266, PLATFORM_ESP32, PLATFORM_RP2040, PLATFORM_BK72XX, PLATFORM_RTL87XX, ] ), uart_selection, ), cv.Optional(CONF_LEVEL, default="DEBUG"): is_log_level, cv.Optional(CONF_LOGS, default={}): cv.Schema( { cv.string: is_log_level, } ), cv.Optional(CONF_ON_MESSAGE): automation.validate_automation( { cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(LoggerMessageTrigger), cv.Optional(CONF_LEVEL, default="WARN"): is_log_level, } ), cv.SplitDefault( CONF_ESP8266_STORE_LOG_STRINGS_IN_FLASH, esp8266=True ): cv.All(cv.only_on_esp8266, cv.boolean), } ).extend(cv.COMPONENT_SCHEMA), validate_local_no_higher_than_global, ) @coroutine_with_priority(90.0) async def to_code(config): baud_rate = config[CONF_BAUD_RATE] log = cg.new_Pvariable(config[CONF_ID], baud_rate, config[CONF_TX_BUFFER_SIZE]) if CONF_HARDWARE_UART in config: cg.add( log.set_uart_selection( HARDWARE_UART_TO_UART_SELECTION[config[CONF_HARDWARE_UART]] ) ) cg.add(log.pre_setup()) for tag, level in config[CONF_LOGS].items(): cg.add(log.set_log_level(tag, LOG_LEVELS[level])) level = config[CONF_LEVEL] cg.add_define("USE_LOGGER") this_severity = LOG_LEVEL_SEVERITY.index(level) cg.add_build_flag(f"-DESPHOME_LOG_LEVEL={LOG_LEVELS[level]}") verbose_severity = LOG_LEVEL_SEVERITY.index("VERBOSE") very_verbose_severity = LOG_LEVEL_SEVERITY.index("VERY_VERBOSE") is_at_least_verbose = this_severity >= verbose_severity is_at_least_very_verbose = this_severity >= very_verbose_severity has_serial_logging = baud_rate != 0 if CORE.is_esp8266 and has_serial_logging and is_at_least_verbose: debug_serial_port = HARDWARE_UART_TO_SERIAL[config.get(CONF_HARDWARE_UART)] cg.add_build_flag(f"-DDEBUG_ESP_PORT={debug_serial_port}") cg.add_build_flag("-DLWIP_DEBUG") DEBUG_COMPONENTS = { "HTTP_CLIENT", "HTTP_SERVER", "HTTP_UPDATE", "OTA", "SSL", "TLS_MEM", "UPDATER", "WIFI", # Spams logs too much: # 'MDNS_RESPONDER', } for comp in DEBUG_COMPONENTS: cg.add_build_flag(f"-DDEBUG_ESP_{comp}") if CORE.is_esp32 and is_at_least_verbose: cg.add_build_flag("-DCORE_DEBUG_LEVEL=5") if CORE.is_esp32 and is_at_least_very_verbose: cg.add_build_flag("-DENABLE_I2C_DEBUG_BUFFER") if config.get(CONF_ESP8266_STORE_LOG_STRINGS_IN_FLASH): cg.add_build_flag("-DUSE_STORE_LOG_STR_IN_FLASH") if CORE.using_arduino: if config[CONF_HARDWARE_UART] == USB_CDC: cg.add_build_flag("-DARDUINO_USB_CDC_ON_BOOT=1") if CORE.is_esp32 and get_esp32_variant() == VARIANT_ESP32C3: cg.add_build_flag("-DARDUINO_USB_MODE=1") if CORE.using_esp_idf: if config[CONF_HARDWARE_UART] == USB_CDC: add_idf_sdkconfig_option("CONFIG_ESP_CONSOLE_USB_CDC", True) elif config[CONF_HARDWARE_UART] == USB_SERIAL_JTAG: add_idf_sdkconfig_option("CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG", True) # Register at end for safe mode await cg.register_component(log, config) for conf in config.get(CONF_ON_MESSAGE, []): trigger = cg.new_Pvariable( conf[CONF_TRIGGER_ID], log, LOG_LEVEL_SEVERITY.index(conf[CONF_LEVEL]) ) await automation.build_automation( trigger, [ (cg.int_, "level"), (cg.const_char_ptr, "tag"), (cg.const_char_ptr, "message"), ], conf, ) def validate_printf(value): # https://stackoverflow.com/questions/30011379/how-can-i-parse-a-c-format-string-in-python cfmt = r""" ( # start of capture group 1 % # literal "%" (?:[-+0 #]{0,5}) # optional flags (?:\d+|\*)? # width (?:\.(?:\d+|\*))? # precision (?:h|l|ll|w|I|I32|I64)? # size [cCdiouxXeEfgGaAnpsSZ] # type ) """ # noqa matches = re.findall(cfmt, value[CONF_FORMAT], flags=re.X) if len(matches) != len(value[CONF_ARGS]): raise cv.Invalid( f"Found {len(matches)} printf-patterns ({', '.join(matches)}), but {len(value[CONF_ARGS])} args were given!" ) return value CONF_LOGGER_LOG = "logger.log" LOGGER_LOG_ACTION_SCHEMA = cv.All( cv.maybe_simple_value( { cv.Required(CONF_FORMAT): cv.string, cv.Optional(CONF_ARGS, default=list): cv.ensure_list(cv.lambda_), cv.Optional(CONF_LEVEL, default="DEBUG"): cv.one_of( *LOG_LEVEL_TO_ESP_LOG, upper=True ), cv.Optional(CONF_TAG, default="main"): cv.string, }, validate_printf, key=CONF_FORMAT, ) ) @automation.register_action(CONF_LOGGER_LOG, LambdaAction, LOGGER_LOG_ACTION_SCHEMA) async def logger_log_action_to_code(config, action_id, template_arg, args): esp_log = LOG_LEVEL_TO_ESP_LOG[config[CONF_LEVEL]] args_ = [cg.RawExpression(str(x)) for x in config[CONF_ARGS]] text = str(cg.statement(esp_log(config[CONF_TAG], config[CONF_FORMAT], *args_))) lambda_ = await cg.process_lambda(Lambda(text), args, return_type=cg.void) return cg.new_Pvariable(action_id, template_arg, lambda_)