Do not assume AudioStream.h includes Arduino.h

analyze_fft1024.h

 #ifndef analyze_fft1024_h_
 #define analyze_fft1024_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "arm_math.h"
 

analyze_fft256.h

 #ifndef analyze_fft256_h_
 #define analyze_fft256_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "arm_math.h"
 

analyze_notefreq.h

 #ifndef AudioAnalyzeNoteFrequency_h_
 #define AudioAnalyzeNoteFrequency_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 /***********************************************************************
  *              Safe to adjust these values below                      *

analyze_peak.h

 #ifndef analyze_peakdetect_h_
 #define analyze_peakdetect_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioAnalyzePeak : public AudioStream

analyze_print.h

 #ifndef analyze_print_h_
 #define analyze_print_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioAnalyzePrint : public AudioStream

analyze_rms.h

 #ifndef analyze_rms_h_
 #define analyze_rms_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioAnalyzeRMS : public AudioStream

analyze_tonedetect.h

 #ifndef analyze_tonedetect_h_
 #define analyze_tonedetect_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioAnalyzeToneDetect : public AudioStream

effect_bitcrusher.h

 #ifndef effect_bitcrusher_h_
 #define effect_bitcrusher_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioEffectBitcrusher : public AudioStream

effect_chorus.h

 #ifndef effect_chorus_h_
 #define effect_chorus_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 /******************************************************************/

effect_delay.h

 
 #ifndef effect_delay_h_
 #define effect_delay_h_
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "utility/dspinst.h"
 

effect_delay_ext.h

 
 #ifndef effect_delay_ext_h_
 #define effect_delay_ext_h_
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "spi_interrupt.h"
 

effect_envelope.h

 
 #ifndef effect_envelope_h_
 #define effect_envelope_h_
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "utility/dspinst.h"
 

effect_fade.h

 #ifndef effect_fade_h_
 #define effect_fade_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioEffectFade : public AudioStream

effect_flange.h

 #ifndef effect_flange_h_
 #define effect_flange_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 /******************************************************************/

effect_midside.h

 #ifndef effect_midside_decode_h_
 #define effect_midside_decode_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 #include "utility/dspinst.h"

effect_multiply.h

 
 #ifndef effect_multiply_h_
 #define effect_multiply_h_
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "utility/dspinst.h"
 

filter_biquad.h

 #ifndef filter_biquad_h_
 #define filter_biquad_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioFilterBiquad : public AudioStream

filter_fir.h

 #ifndef filter_fir_h_
 #define filter_fir_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "arm_math.h"
 

filter_variable.h

 #ifndef filter_variable_h_
 #define filter_variable_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioFilterStateVariable: public AudioStream

input_adc.h

 #ifndef input_adc_h_
 #define input_adc_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "DMAChannel.h"
 

input_i2s.h

 #ifndef _input_i2s_h_
 #define _input_i2s_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "DMAChannel.h"
 

input_i2s_quad.h

 #ifndef _input_i2s_quad_h_
 #define _input_i2s_quad_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "DMAChannel.h"
 

mixer.h

 #ifndef mixer_h_
 #define mixer_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioMixer4 : public AudioStream

output_dac.h

 #ifndef output_dac_h_
 #define output_dac_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "DMAChannel.h"
 

output_i2s.h

 #ifndef output_i2s_h_
 #define output_i2s_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "DMAChannel.h"
 

output_i2s_quad.h

 #ifndef output_i2s_quad_h_
 #define output_i2s_quad_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "DMAChannel.h"
 

output_pwm.h

 #ifndef output_pwm_h_
 #define output_pwm_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "DMAChannel.h"
 

output_spdif.h

 #ifndef output_SPDIF_h_
 #define output_SPDIF_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "DMAChannel.h"
 

play_memory.h

 #ifndef play_memory_h_
 #define play_memory_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioPlayMemory : public AudioStream

play_queue.h

 #ifndef play_queue_h_
 #define play_queue_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioPlayQueue : public AudioStream

play_sd_raw.h

 #ifndef play_sd_raw_h_
 #define play_sd_raw_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "SD.h"
 

play_sd_wav.h

 #ifndef play_sd_wav_h_
 #define play_sd_wav_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "SD.h"
 

play_serialflash_raw.h

 #ifndef play_serial_raw_h_
 #define play_serial_raw_h_
 
+#include "Arduino.h"
 #include <AudioStream.h>
 #include <SerialFlash.h>
 

record_queue.h

 #ifndef record_queue_h_
 #define record_queue_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 class AudioRecordQueue : public AudioStream

spi_interrupt.h

 #ifndef audio_spi_interrupt_h_
 #define audio_spi_interrupt_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "SPI.h"
 

synth_dc.h

 
 #ifndef synth_dc_h_
 #define synth_dc_h_
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "utility/dspinst.h"
 

synth_pinknoise.h

 
 #ifndef synth_pinknoise_h_
 #define synth_pinknoise_h_
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "utility/dspinst.h"
 

synth_sine.h

 #ifndef synth_sine_h_
 #define synth_sine_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "arm_math.h"
 

synth_tonesweep.h

 #ifndef synth_tonesweep_h_
 #define synth_tonesweep_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 
 //                A u d i o S y n t h T o n e S w e e p

synth_waveform.h

 #ifndef synth_waveform_h_
 #define synth_waveform_h_
 
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "arm_math.h"
 

synth_whitenoise.h

 
 #ifndef synth_whitenoise_h_
 #define synth_whitenoise_h_
+#include "Arduino.h"
 #include "AudioStream.h"
 #include "utility/dspinst.h"