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Always allow serial console on S3/C3/C6/etc

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This commit is contained in:
Troy
2026-01-29 13:40:55 -05:00
parent c945732c8d
commit ff93a85fa6
2 changed files with 18 additions and 8 deletions
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14
wled00/wled.cpp
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@@ -466,7 +466,17 @@ void WLED::setup()
#ifdef WLED_BOOTUPDELAY
delay(WLED_BOOTUPDELAY); // delay to let voltage stabilize, helps with boot issues on some setups
#endif
#if ARDUINO_USB_CDC_ON_BOOT && (defined(CONFIG_IDF_TARGET_ESP32S3) || defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32C6))
// Just to be very sure nothing else grabs serial...
portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED;
portENTER_CRITICAL(&mux);
Serial.begin(115200); // WLEDMM avoid "hung devices" when USB_CDC is enabled; see https://github.com/espressif/arduino-esp32/issues/9043
Serial.setTxTimeoutMs(0); // potential side-effect: incomplete debug output, with missing characters whenever TX buffer is full.
portEXIT_CRITICAL(&mux);
#else
Serial.begin(115200);
#endif
#if !defined(WLEDMM_NO_SERIAL_WAIT) || defined(WLED_DEBUG)
if (!Serial) delay(1000); // WLEDMM make sure that Serial has initalized
@@ -496,8 +506,8 @@ void WLED::setup()
#endif
#if ARDUINO_USB_CDC_ON_BOOT || ARDUINO_USB_MODE
#if ARDUINO_USB_CDC_ON_BOOT && (defined(CONFIG_IDF_TARGET_ESP32S3) || defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32C6))
// WLEDMM avoid "hung devices" when USB_CDC is enabled; see https://github.com/espressif/arduino-esp32/issues/9043
Serial.setTxTimeoutMs(0); // potential side-effect: incomplete debug output, with missing characters whenever TX buffer is full.
Serial.setTxTimeoutMs(0);
#endif
#if !defined(WLEDMM_NO_SERIAL_WAIT) || defined(WLED_DEBUG)
if (!Serial) delay(2500); // WLEDMM: always allow CDC USB serial to initialise

4
wled00/wled_serial.cpp
View File

@@ -76,8 +76,8 @@ void sendBytes(){
}
bool canUseSerial(void) { // WLEDMM returns true if Serial can be used for debug output (i.e. not configured for other purpose)
#if defined(CONFIG_IDF_TARGET_ESP32C3) && ARDUINO_USB_CDC_ON_BOOT && !defined(WLED_DEBUG_HOST)
// on -C3, USB CDC blocks if disconnected! so check if Serial is active before printing to it.
#if ARDUINO_USB_CDC_ON_BOOT && (defined(CONFIG_IDF_TARGET_ESP32S3) || defined(CONFIG_IDF_TARGET_ESP32C3) || defined(CONFIG_IDF_TARGET_ESP32C6)) && !defined(WLED_DEBUG_HOST)
// on S3/C3/C6, USB CDC blocks if disconnected! so check if Serial is active before printing to it.
if (!Serial) return false;
#endif
if (pinManager.isPinAllocated(hardwareTX) && (pinManager.getPinOwner(hardwareTX) != PinOwner::DebugOut))