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[logger] Fix loop disable optimization using wrong preprocessor guard (#14158)

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This commit is contained in:
J. Nick Koston
2026-02-20 19:20:44 -06:00
committed by GitHub
parent 1d3054ef5e
commit d206c75b0b
4 changed files with 16 additions and 13 deletions
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esphome/components/logger/logger.cpp
+6 -7
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@@ -170,19 +170,19 @@ void Logger::init_log_buffer(size_t total_buffer_size) {
// NOLINTNEXTLINE(cppcoreguidelines-owning-memory) - allocated once, never freed
this->log_buffer_ = new logger::TaskLogBuffer(total_buffer_size);
// Zephyr needs loop working to check when CDC port is open
#if !(defined(USE_ZEPHYR) || defined(USE_LOGGER_USB_CDC))
// Start with loop disabled when using task buffer (unless using USB CDC on ESP32)
#if !(defined(USE_ZEPHYR) && defined(USE_LOGGER_UART_SELECTION_USB_CDC))
// Start with loop disabled when using task buffer
// The loop will be enabled automatically when messages arrive
// Zephyr with USB CDC needs loop active to poll port readiness via cdc_loop_()
this->disable_loop_when_buffer_empty_();
#endif
}
#endif
#if defined(USE_ESPHOME_TASK_LOG_BUFFER) || (defined(USE_ZEPHYR) && defined(USE_LOGGER_USB_CDC))
#if defined(USE_ESPHOME_TASK_LOG_BUFFER) || (defined(USE_ZEPHYR) && defined(USE_LOGGER_UART_SELECTION_USB_CDC))
void Logger::loop() {
this->process_messages_();
#if defined(USE_ZEPHYR) && defined(USE_LOGGER_USB_CDC)
#if defined(USE_ZEPHYR) && defined(USE_LOGGER_UART_SELECTION_USB_CDC)
this->cdc_loop_();
#endif
}
@@ -204,8 +204,7 @@ void Logger::process_messages_() {
this->write_log_buffer_to_console_(buf);
}
}
// Zephyr needs loop working to check when CDC port is open
#if !(defined(USE_ZEPHYR) || defined(USE_LOGGER_USB_CDC))
#if !(defined(USE_ZEPHYR) && defined(USE_LOGGER_UART_SELECTION_USB_CDC))
else {
// No messages to process, disable loop if appropriate
// This reduces overhead when there's no async logging activity
esphome/components/logger/logger.h
+5 -5
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@@ -147,7 +147,7 @@ class Logger : public Component {
#ifdef USE_ESPHOME_TASK_LOG_BUFFER
void init_log_buffer(size_t total_buffer_size);
#endif
#if defined(USE_ESPHOME_TASK_LOG_BUFFER) || (defined(USE_ZEPHYR) && defined(USE_LOGGER_USB_CDC))
#if defined(USE_ESPHOME_TASK_LOG_BUFFER) || (defined(USE_ZEPHYR) && defined(USE_LOGGER_UART_SELECTION_USB_CDC))
void loop() override;
#endif
/// Manually set the baud rate for serial, set to 0 to disable.
@@ -229,7 +229,7 @@ class Logger : public Component {
void log_vprintf_non_main_thread_(uint8_t level, const char *tag, int line, const char *format, va_list args,
const char *thread_name);
#endif
#if defined(USE_ZEPHYR) && defined(USE_LOGGER_USB_CDC)
#if defined(USE_ZEPHYR) && defined(USE_LOGGER_UART_SELECTION_USB_CDC)
void cdc_loop_();
#endif
void process_messages_();
@@ -465,9 +465,9 @@ class Logger : public Component {
inline RecursionGuard make_non_main_task_guard_() { return RecursionGuard(non_main_task_recursion_guard_); }
#endif
// Zephyr needs loop working to check when CDC port is open
#if defined(USE_ESPHOME_TASK_LOG_BUFFER) && !(defined(USE_ZEPHYR) || defined(USE_LOGGER_USB_CDC))
// Disable loop when task buffer is empty (with USB CDC check on ESP32)
#if defined(USE_ESPHOME_TASK_LOG_BUFFER) && !(defined(USE_ZEPHYR) && defined(USE_LOGGER_UART_SELECTION_USB_CDC))
// Disable loop when task buffer is empty
// Zephyr with USB CDC needs loop active to poll port readiness via cdc_loop_()
inline void disable_loop_when_buffer_empty_() {
// Thread safety note: This is safe even if another task calls enable_loop_soon_any_context()
// concurrently. If that happens between our check and disable_loop(), the enable request
esphome/components/logger/logger_zephyr.cpp
+1 -1
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@@ -34,7 +34,7 @@ __attribute__((section(".noinit"))) struct {
static const char *const TAG = "logger";
#ifdef USE_LOGGER_USB_CDC
#ifdef USE_LOGGER_UART_SELECTION_USB_CDC
void Logger::cdc_loop_() {
if (this->uart_ != UART_SELECTION_USB_CDC || this->uart_dev_ == nullptr) {
return;
esphome/core/defines.h
+4
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@@ -270,10 +270,12 @@
#if defined(USE_ESP32_VARIANT_ESP32S2)
#define USE_LOGGER_USB_CDC
#define USE_LOGGER_UART_SELECTION_USB_CDC
#elif defined(USE_ESP32_VARIANT_ESP32C3) || defined(USE_ESP32_VARIANT_ESP32C5) || \
defined(USE_ESP32_VARIANT_ESP32C6) || defined(USE_ESP32_VARIANT_ESP32C61) || defined(USE_ESP32_VARIANT_ESP32H2) || \
defined(USE_ESP32_VARIANT_ESP32P4) || defined(USE_ESP32_VARIANT_ESP32S3)
#define USE_LOGGER_USB_CDC
#define USE_LOGGER_UART_SELECTION_USB_CDC
#define USE_LOGGER_USB_SERIAL_JTAG
#endif
#endif
@@ -335,6 +337,8 @@
#ifdef USE_NRF52
#define USE_ESPHOME_TASK_LOG_BUFFER
#define USE_LOGGER_EARLY_MESSAGE
#define USE_LOGGER_UART_SELECTION_USB_CDC
#define USE_LOGGER_USB_CDC
#define USE_LOGGER_WAIT_FOR_CDC
#define USE_NRF52_DFU
#define USE_NRF52_REG0_VOUT 5