ESP32C3: Get analogRead working correctly

Thanks to SimonGAndrews!
we need to call it twice to get a decent value on the C3 for some reason!
https://forum.espruino.com/conversations/395499/?offset=100#17482163

Author: gfwilliams

ChangeLog

@@ -1,3 +1,5 @@
+          : ESP32C3: Get analogRead working correctly
+
      2v24 : Bangle.js2: Add 'Bangle.touchRd()', 'Bangle.touchWr()'
             Bangle.js2: After Bangle.showTestScreen, put Bangle.js into a hard off state (not soft off)
             Fix for unexpected power draw on newest batch of Bangle.js devices

targets/esp32/jshardwareAnalog.c

@@ -145,6 +145,11 @@ int readADC(Pin pin){
 #if ESP_IDF_VERSION_MAJOR>=4
 	  // ESP_IDF 4.x - int adc1_get_voltage(adc1_channel_t channel)    //Deprecated. Use adc1_get_raw() instead
 	  int value=adc1_get_raw(channel);
+#if CONFIG_IDF_TARGET_ESP32C3
+    // we need to call it twice to get a decent value on the C3 for some reason!
+    // https://forum.espruino.com/conversations/395499/?offset=100#17482163
+    value=adc1_get_raw(channel);
+#endif
 #else
 	  value = adc1_get_voltage(channel);
 #endif