r4885 - developers/werner/wolfhammer

[werner at docs.openmoko.org]

Author: werner
Date: 2009-01-14 00:51:53 +0100 (Wed, 14 Jan 2009)
New Revision: 4885

Modified:
   developers/werner/wolfhammer/wolfhammer.c
Log:
Changed frequency from 50Hz to 40Hz, to avoid confusion with mains.
http://people.openmoko.org/werner/a6-nrw-fft.png



Modified: developers/werner/wolfhammer/wolfhammer.c
===================================================================
--- developers/werner/wolfhammer/wolfhammer.c	2009-01-13 17:03:14 UTC (rev 4884)
+++ developers/werner/wolfhammer/wolfhammer.c	2009-01-13 23:51:53 UTC (rev 4885)
@@ -14,6 +14,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
 
@@ -107,6 +108,7 @@
 	fd = codec_open();
 	for (i = 0; i != n; i++) {
 		codec_write(fd, MICBIAS_ON);
+		usleep(100);
 		codec_write(fd, MICBIAS_OFF);
 	}
 	return 0;