From 4a2e3ca88fe7bb227469bbbd8c5d264f7d516a7e Mon Sep 17 00:00:00 2001 From: Gerolf Ziegenhain Date: Tue, 4 Oct 2016 17:14:08 +0200 Subject: [PATCH] wip --- src/beep.c | 28 ---------------------------- 1 file changed, 28 deletions(-) diff --git a/src/beep.c b/src/beep.c index 48eff0e..6305358 100644 --- a/src/beep.c +++ b/src/beep.c @@ -164,29 +164,9 @@ int beep_close() int beep_test(void) { - - // notes frequency chart: http://www.phy.mtu.edu/~suits/notefreqs.html - buzzer_start(); buzzer_set_freq(261); - msleep(250); - buzzer_set_freq(0); - msleep(250); - buzzer_set_freq(329); - msleep(250); - buzzer_set_freq(349); - msleep(250); - buzzer_set_freq(392); - msleep(250); - buzzer_set_freq(440); - msleep(250); - buzzer_set_freq(494); - msleep(250); - buzzer_beep(523, 200); - msleep(250); - buzzer_stop(); - return 0; } @@ -196,20 +176,12 @@ int beep_test(void) // Raspi does not work with portaudio?! #ifdef ALSA -/* - * This extra small demo sends sinusoidal samples to your speakers. - */ - // https://www.raspberrypi.org/forums/viewtopic.php?t=84485&p=603451 static char *device = "hw:0,0"; /* playback device */ snd_output_t *output = NULL; snd_pcm_t *handle; -int beep_test(void) -{ - } - int beep(double freq_hz, double duration_sec) { double p1,p2,f1,f2;