Merge branch 'master' into twojobs

Author: earlephilhower

cores/rp2040/Arduino.h

@@ -97,7 +97,7 @@ void *pcalloc(size_t count, size_t size);
 // ADC RP2040-specific calls
 void analogReadResolution(int bits);
 #ifdef __cplusplus
-float analogReadTemp(float vref = 3.3);  // Returns core temp in Centigrade
+float analogReadTemp(float vref = 3.3f);  // Returns core temp in Centigrade
 #endif
 
 // PWM RP2040-specific calls

cores/rp2040/SerialUART.h

@@ -22,8 +22,6 @@
 
 #include <Arduino.h>
 #include "api/HardwareSerial.h"
-#include <stdarg.h>
-#include <queue>
 #include "CoreMutex.h"
 
 extern "C" typedef struct uart_inst uart_inst_t;