RP2040

Author: pschatzmann

src/AudioConfig.h

@@ -224,8 +224,11 @@ typedef uint32_t eps32_i2s_sample_rate_type;
 
 //----------------
 #if defined(ARDUINO_ARCH_RP2040) 
-//#define USE_ESP8266_AUDIO
+#if defined(ARDUINO_ARCH_MBED)
 //#define USE_I2S 1
+#else
+#define USE_I2S 1
+#endif
 #define USE_PWM
 
 #define PWM_START_PIN 6
@@ -240,6 +243,7 @@ typedef uint32_t eps32_i2s_sample_rate_type;
 // fix missing __sync_synchronize symbol
 #define FIX_SYNC_SYNCHRONIZE
 #define IRAM_ATTR
+//#define USE_ESP8266_AUDIO
 
 #endif
 

src/AudioPWM/PWMAudioBase.h

@@ -59,6 +59,7 @@ struct PWMConfig : public AudioBaseInfo {
         }
         pins = array;
         start_pin = -1; // mark start pin as invalid
+        LOGI("start_pin: %d", PWM_START_PIN);
     }
 
 #endif

src/AudioPWM/PWMAudioMBED.h

@@ -73,6 +73,7 @@ class PWMAudioStreamMBED : public PWMAudioStreamBase {
                     gpio = audio_config.pins[j];
                 }
                 mbed::PwmOut* pin = new mbed::PwmOut(digitalPinToPinName(gpio));
+                LOGI("PWM Pin: %d", gpio);
                 pin->period_us(period);  
                 pin->write(0.0f);  // 0% duty cycle ->  
                 pin->resume(); // in case it was suspended before

src/AudioPWM/PWMAudioRP2040.h

@@ -78,7 +78,7 @@ class PWMAudioStreamPico : public PWMAudioStreamBase {
                 if (audio_config.pins!=nullptr){
                     gpio = audio_config.pins[j];
                 }
-                LOGD("-> defining pin %d",gpio);
+                LOGI("PWM pin %d",gpio);
 
                 pins[channel].slice = pwm_gpio_to_slice_num(gpio);
                 pins[channel].channel = pwm_gpio_to_channel(gpio);

src/AudioTools/AudioCopy.h

@@ -149,7 +149,7 @@ class StreamCopyT {
                 if (onWrite!=nullptr) onWrite(onWriteObj, temp_data, bytes_read);
 
                 T* bufferT = (T*) buffer;
-                for (int j=0;j<samples;j++){
+                for (size_t j=0;j<samples;j++){
                     *bufferT = temp_data[j];
                     bufferT++;
                     *bufferT = temp_data[j];