From cbcba53dff1c37f5d078df9023fbde0fcc0462d6 Mon Sep 17 00:00:00 2001 From: me-no-dev Date: Thu, 8 Jul 2021 13:58:17 +0300 Subject: [PATCH] Improve error message when ADC2 can not be used because WiFi is On reference: https://github.com/espressif/arduino-esp32/issues/102 --- cores/esp32/esp32-hal-adc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/cores/esp32/esp32-hal-adc.c b/cores/esp32/esp32-hal-adc.c index 44230e9b..21eb443c 100644 --- a/cores/esp32/esp32-hal-adc.c +++ b/cores/esp32/esp32-hal-adc.c @@ -161,7 +161,7 @@ uint16_t __analogRead(uint8_t pin) } else if ( r == ESP_ERR_INVALID_STATE ) { log_e("GPIO%u: %s: ADC2 not initialized yet.", pin, esp_err_to_name(r)); } else if ( r == ESP_ERR_TIMEOUT ) { - log_e("GPIO%u: %s: ADC2 is in use by Wi-Fi.", pin, esp_err_to_name(r)); + log_e("GPIO%u: %s: ADC2 is in use by Wi-Fi. Please see https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/adc.html#adc-limitations for more info", pin, esp_err_to_name(r)); } else { log_e("GPIO%u: %s", pin, esp_err_to_name(r)); }