- fix ESP32 ADC for new toolchain version

Author: quiret

Marlin/src/HAL/ESP32/HAL.cpp

@@ -209,16 +209,17 @@ int MarlinHAL::freeMemory() { return ESP.getFreeHeap(); }
 // ADC
 // ------------------------
 
-#define ADC1_CHANNEL(pin) ADC1_GPIO ## pin ## _CHANNEL
-
+//https://docs.espressif.com/projects/esp-idf/en/release-v4.4/esp32/api-reference/peripherals/adc.html
 adc1_channel_t get_channel(int pin) {
   switch (pin) {
-    case 39: return ADC1_CHANNEL(39);
-    case 36: return ADC1_CHANNEL(36);
-    case 35: return ADC1_CHANNEL(35);
-    case 34: return ADC1_CHANNEL(34);
-    case 33: return ADC1_CHANNEL(33);
-    case 32: return ADC1_CHANNEL(32);
+    case 39: return ADC1_CHANNEL_3;
+    case 36: return ADC1_CHANNEL_0;
+    case 35: return ADC1_CHANNEL_7;
+    case 34: return ADC1_CHANNEL_6;
+    case 33: return ADC1_CHANNEL_5;
+    case 32: return ADC1_CHANNEL_4;
+    case 37: return ADC1_CHANNEL_1;
+    case 38: return ADC1_CHANNEL_2;
   }
   return ADC1_CHANNEL_MAX;
 }