main.hcc

/*
 * Set the Clock rate for this domain. 50.0 Mhz is minimally required while
 * performing audio tasks.
 */
#define PAL_TARGET_CLOCK_RATE 50000000

/******** System Includes *************/
#include <stdlib.hch>

#include "pal_master.hch"

/******** Application Includes ********/
#include "audiodriver.hch"


/*
 * Request Clockrate. Approximated ClockRate is compiler assigned.
 */
static macro expr ClockRate = PAL_ACTUAL_CLOCK_RATE;



void main(void) {
        /* Setup Audio I/O Pointers */
        macro expr AudioIn  = PalAudioInCT(0);
        macro expr AudioOut = PalAudioOutCT(0);

        /*
         * Check library versions and Request VideoOutput.
         * We need at least Major Version 1 and minor version 2.
         */
        PalVersionRequire(1, 2);
        PalAudioInRequire(1);
        PalAudioOutRequire(1);

        /*
         * Run The Following main tasks in parallel.
         */
        par {
                /*
                 * Primary task is to 'Run' several hardware simultaniously.
                 * Audio I/O needs to be in sync.
                 */
                PalAudioInRun(AudioIn, ClockRate);
                PalAudioOutRun(AudioOut, ClockRate);
                
                /* Parallel to our Primary tasks we run the application. */
                seq {
                        /* But first we need to enable and initialize the audio. */
                        PalAudioInEnable(AudioIn);
                        PalAudioOutEnable(AudioOut);
                        audio_init(7, LINE_IN, SR_44100);
                        par {
                                /*
                                 * From here we run the main audio loop.
                                 */
                                audio_main();
                        }
                }
        }
} /* --- main() --- */

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