hello, I'm a mechanical engineer student and I don't have much experinces about cpp software. I need to make a text to speech software and I found it from github but eventhoug I didn't change anything, code didn't work. I saw people did manage to work it somehow. Error message was about Audio library. Then I tried to run libraries example which its name is "Simple Audio Player". but again it failed.
code is:
/*
Simple Audio Player
Demonstrates the use of the Audio library for the Arduino Due
Hardware required :
* Arduino shield with a SD card on CS4
* A sound file named "test.wav" in the root directory of the SD card
* An audio amplifier to connect to the DAC0 and ground
* A speaker to connect to the audio amplifier
Original by Massimo Banzi September 20, 2012
Modified by Scott Fitzgerald October 19, 2012
Modified by Arturo Guadalupi December 18, 2015
This example code is in the public domain
http://www.arduino.cc/en/Tutorial/SimpleAudioPlayer
*/
#include <SD.h>
#include <SPI.h>
#include <Audio.h>
void setup() {
// debug output at 9600 baud
Serial.begin(9600);
// setup SD-card
Serial.print("Initializing SD card...");
if (!SD.begin(4)) {
Serial.println(" failed!");
while(true);
}
Serial.println(" done.");
// hi-speed SPI transfers
// 44100 Hz stereo => 88200 Hz sample rate
// 100 mSec of prebuffering.
}
void loop() {
int count = 0;
// open wave file from SD card
File myFile = SD.open("test.wav");
Audio.begin(88200, 100);
if (!myFile) {
// if the file didn't open, print an error and stop
Serial.println("error opening test.wav");
while (true);
}
const int S = 1024; // Number of samples to read in block
short buffer[S];
Serial.print("Playing");
// until the file is finished
while (myFile.available()) {
// read from the file into buffer
//myFile.read(buffer, sizeof(buffer));
// Prepare samples
int volume = 1024;
Audio.prepare(buffer, S, volume);
// Feed samples to audio
Audio.write(buffer, S);
// Every 100 blocks print a '.'
count++;
if (count == 100) {
Serial.print(".");
count = 0;
}
}
myFile.close();
Audio.end();
Serial.println("End of file. Thank you for listening!");
while (true) ;
}
And Error is:
WARNING: library Audio claims to run on sam architecture(s) and may be incompatible with your current board which runs on esp32 architecture(s).
In file included from c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/Audio.h:16,
from C:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\examples\SimpleAudioPlayer\SimpleAudioPlayer.ino:24:
c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/DAC.h:21:15: error: expected ')' before '*' token
DACClass(Dacc *_dac, uint32_t _dacId, IRQn_Type _isrId) :
~ ^~
)
c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/DAC.h:35:2: error: 'Dacc' does not name a type
Dacc *dac;
^~~~
c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/DAC.h:37:2: error: 'IRQn_Type' does not name a type
IRQn_Type isrId;
^~~~~~~~~
c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/DAC.h: In member function 'void DACClass::enableInterrupts()':
c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/DAC.h:31:44: error: 'isrId' was not declared in this scope
void enableInterrupts() { NVIC_EnableIRQ(isrId); };
^~~~~
c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/DAC.h:31:29: error: 'NVIC_EnableIRQ' was not declared in this scope
void enableInterrupts() { NVIC_EnableIRQ(isrId); };
^~~~~~~~~~~~~~
c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/DAC.h: In member function 'void DACClass::disableInterrupts()':
c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/DAC.h:32:45: error: 'isrId' was not declared in this scope
void disableInterrupts() { NVIC_DisableIRQ(isrId); };
^~~~~
c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/DAC.h:32:29: error: 'NVIC_DisableIRQ' was not declared in this scope
void disableInterrupts() { NVIC_DisableIRQ(isrId); };
^~~~~~~~~~~~~~~
In file included from C:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\examples\SimpleAudioPlayer\SimpleAudioPlayer.ino:24:
c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/Audio.h: In member function 'virtual size_t AudioClass::write(uint8_t)':
c:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\Audio\src/Audio.h:25:82: warning: no return statement in function returning non-void [-Wreturn-type]
virtual size_t write(uint8_t c) { /* not implemented */ };
^
Multiple libraries were found for "SD.h"
Used: C:\Users\abdul\AppData\Local\Arduino15\packages\esp32\hardware\esp32\2.0.11\libraries\SD
Not used: C:\Users\abdul\AppData\Local\Arduino15\libraries\SD
Not used: C:\Users\abdul\OneDrive\Belgeler\Arduino\libraries\SD
exit status 1
Compilation error: exit status 1