view include/RTAudioSettings.h @ 45:579c86316008 newapi

Major API overhaul. Moved to a single data structure for handling render functions. Functionally, generally similar except for scheduling within PRU loop function, which now uses interrupts from the PRU rather than polling. This requires an updated kernel.

/*
 * RTaudioSettings.h
 *
 *  Created on: 6 May 2015
 *      Author: unmanaged
 */

#ifndef RTAUDIOSETTINGS_H_
#define RTAUDIOSETTINGS_H_

#define MAX_PRU_FILENAME_LENGTH 256
#define MAX_SERVERNAME_LENGTH 256
// Structure which contains initialisation parameters for the
// real-time audio system
typedef struct {
	// These items might be adjusted by the user:
	int periodSize;			// Number of (analog) frames per period; audio is twice this
	int beginMuted;			// Whether to begin with the speakers muted
	float dacLevel;			// Level for the audio DAC output
	float adcLevel;			// Level for the audio ADC input
	float headphoneLevel;	// Level for the headphone output
	int useAnalog;			// Whether to use the analog
	int useDigital;		// Whether to use the 16 programmable GPIOs
	int numAnalogChannels;	// How many channels for the ADC and DAC
	int numDigitalChannels;	// How many channels for the GPIOs
	int verbose;			// Whether to use verbose logging
	char pruFilename[MAX_PRU_FILENAME_LENGTH]; //the external .bin file to load. If empty will use PRU code from pru_rtaudio_bin.h
	// These items are hardware-dependent and should only be changed
	// to run on different hardware
	int codecI2CAddress;	// Where the codec can be found on the I2C bus
	int ampMutePin;			// Pin where amplifier mute can be found
	int receivePort;          //port where the UDP server will listen
	int transmitPort;         //port where the UDP client will transmit
	char serverName[MAX_SERVERNAME_LENGTH];
} RTAudioSettings;




#endif /* RTAUDIOSETTINGS_H_ */