wip
This commit is contained in:
Gerolf Ziegenhain
parent
6d8fee68f4
commit
b8603fd9d0
@ -1,7 +1,7 @@
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SRC = irmc.c cwprotocol.c
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SRC = irmc.c cwprotocol.c beep.c
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OBJ = ${SRC:.c=.o}
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LDFLAGS = -L/usr/local/lib -L/opt/local/lib -lportaudio -lpthread -lm -lmorse
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CFLAGS = -I/usr/local/include -I/opt/local/include -Wall
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LDFLAGS = -lportaudio -lpthread -lm
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CFLAGS = -Wall
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INSTALLDIR = ${HOME}/bin
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all: options irmc
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181
src/beep.h
181
src/beep.h
@ -1,46 +1,3 @@
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/** @file paex_sine.c
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@ingroup examples_src
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@brief Play a sine wave for several seconds.
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@author Ross Bencina <rossb@audiomulch.com>
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@author Phil Burk <philburk@softsynth.com>
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*/
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/*
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* $Id$
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*
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* This program uses the PortAudio Portable Audio Library.
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* For more information see: http://www.portaudio.com/
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* Copyright (c) 1999-2000 Ross Bencina and Phil Burk
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* The text above constitutes the entire PortAudio license; however,
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* the PortAudio community also makes the following non-binding requests:
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*
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* Any person wishing to distribute modifications to the Software is
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* requested to send the modifications to the original developer so that
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* they can be incorporated into the canonical version. It is also
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* requested that these non-binding requests be included along with the
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* license above.
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*/
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#include <stdio.h>
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#include <math.h>
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#include "portaudio.h"
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@ -53,126 +10,28 @@
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#define M_PI (3.14159265)
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#endif
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#define TABLE_SIZE (200)
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typedef struct
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{
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float sine[TABLE_SIZE];
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int left_phase;
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int right_phase;
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char message[20];
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}
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paTestData;
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uint32_t total_count;
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uint32_t up_count;
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uint32_t counter;
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uint32_t prev_freq;
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uint32_t freq;
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} paTestData;
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/* This routine will be called by the PortAudio engine when audio is needed.
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** It may called at interrupt level on some machines so don't do anything
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** that could mess up the system like calling malloc() or free().
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*/
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static int patestCallback( const void *inputBuffer, void *outputBuffer,
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unsigned long framesPerBuffer,
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const PaStreamCallbackTimeInfo* timeInfo,
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PaStreamCallbackFlags statusFlags,
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void *userData )
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{
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paTestData *data = (paTestData*)userData;
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float *out = (float*)outputBuffer;
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unsigned long i;
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unsigned long framesPerBuffer,
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const PaStreamCallbackTimeInfo* timeInfo,
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PaStreamCallbackFlags statusFlags,
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void *userData );
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void buzzer_set_freq(int frequency);
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void buzzer_beep(int frequency, int msecs);
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int buzzer_start(void);
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int buzzer_stop();
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void msleep(int d);
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int beep_test(void);
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(void) timeInfo; /* Prevent unused variable warnings. */
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(void) statusFlags;
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(void) inputBuffer;
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for( i=0; i<framesPerBuffer; i++ )
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{
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*out++ = data->sine[data->left_phase]; /* left */
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*out++ = data->sine[data->right_phase]; /* right */
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data->left_phase += 1;
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if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
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data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
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if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
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}
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return paContinue;
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}
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/*
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* This routine is called by portaudio when playback is done.
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*/
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static void StreamFinished( void* userData )
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{
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paTestData *data = (paTestData *) userData;
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printf( "Stream Completed: %s\n", data->message );
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}
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/*******************************************************************/
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void beep_init(void);
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int beep(double freq_hz, double duration_sec)
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{
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PaStreamParameters outputParameters;
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PaStream *stream;
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PaError err;
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paTestData data;
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int i;
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printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
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/* initialise sinusoidal wavetable */
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for( i=0; i<TABLE_SIZE; i++ )
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{
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data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
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}
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data.left_phase = data.right_phase = 0;
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err = Pa_Initialize();
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if( err != paNoError ) goto error;
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outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
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if (outputParameters.device == paNoDevice) {
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fprintf(stderr,"Error: No default output device.\n");
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goto error;
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}
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outputParameters.channelCount = 2; /* stereo output */
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outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
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outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
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outputParameters.hostApiSpecificStreamInfo = NULL;
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err = Pa_OpenStream(
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&stream,
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NULL, /* no input */
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&outputParameters,
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SAMPLE_RATE,
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FRAMES_PER_BUFFER,
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paClipOff, /* we won't output out of range samples so don't bother clipping them */
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patestCallback,
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&data );
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if( err != paNoError ) goto error;
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sprintf( data.message, "No Message" );
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err = Pa_SetStreamFinishedCallback( stream, &StreamFinished );
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if( err != paNoError ) goto error;
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err = Pa_StartStream( stream );
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if( err != paNoError ) goto error;
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printf("Play for %d seconds.\n", NUM_SECONDS );
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Pa_Sleep( duration_sec * 1000 );
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err = Pa_StopStream( stream );
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if( err != paNoError ) goto error;
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err = Pa_CloseStream( stream );
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if( err != paNoError ) goto error;
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Pa_Terminate();
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printf("Test finished.\n");
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return err;
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error:
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Pa_Terminate();
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fprintf( stderr, "An error occured while using the portaudio stream\n" );
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fprintf( stderr, "Error number: %d\n", err );
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fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
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return err;
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}
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// compatibility to old interface
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int beep(double freq_hz, double duration_sec);
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int beep_init();
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