Platform tests: add giga,zephyr, stm32

Author: pschatzmann

examples/build-arch-log.txt

@@ -13,3 +13,6 @@ arduino:samd:arduino_zero_native ./examples-stream/streams-generator-serial -> r
 arduino:renesas_uno:unor4wifi ./examples-stream/streams-generator-serial -> rc=0
 arduino:mbed_nano:nano33ble ./examples-stream/streams-generator-serial -> rc=0
 arduino:mbed_rp2040:pico ./examples-stream/streams-generator-serial -> rc=0
+arduino:mbed_giga:giga ./examples-stream/streams-generator-serial -> rc=0
+arduino:zephyr:nano33ble ./examples-stream/streams-generator-serial -> rc=0
+STMicroelectronics:stm32:GenF4 ./examples-stream/streams-generator-serial -> rc=0

examples/build-arch.sh

@@ -33,8 +33,9 @@ compile_example "arduino:samd:arduino_zero_native"
 compile_example "arduino:renesas_uno:unor4wifi"
 compile_example "arduino:mbed_nano:nano33ble"
 compile_example "arduino:mbed_rp2040:pico" 
-#compile_example "arduino:zephyr:nano33ble"
-#compile_example "STMicroelectronics:stm32:GenF4" 
+compile_example "arduino:mbed_giga:giga"
+compile_example "arduino:zephyr:nano33ble"
+compile_example "STMicroelectronics:stm32:GenF4" 
 
 ./cleanup.sh
 

src/AudioTools/CoreAudio/GoerzelStream.h

@@ -1,8 +1,12 @@
 #pragma once
-#include <math.h>
 
+#include <math.h>
 #include "AudioStreams.h"
 
+#ifndef M_PI
+#  define M_PI (3.14159265358979323846f)
+#endif
+
 /**
  * @defgroup dsp DSP
  * @ingroup main

src/AudioTools/PlatformConfig/stm32.h

@@ -25,7 +25,8 @@
 #define SOFT_MUTE_VALUE 0
 #define PIN_CS -1
 
-#define USE_ETHERNET
-#define USE_URL_ARDUINO
-#define USE_AUDIO_SERVER
+// Uncomment to activate networking
+//#define USE_ETHERNET
+//#define USE_URL_ARDUINO
+//#define USE_AUDIO_SERVER