From 96df9799a4dd62aab7566165d887ea40b1c8aa00 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Fri, 11 Feb 2011 13:09:13 +0000 Subject: [PATCH] staging:iio: buffer example - add lots more runtime parameters Add ability to control delay for event free buffers Add ability to control length of buffer Add ability to control how many read cycles occur Signed-off-by: Jonathan Cameron Tested-by: Michael Hennerich Signed-off-by: Greg Kroah-Hartman --- drivers/staging/iio/Documentation/generic_buffer.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/drivers/staging/iio/Documentation/generic_buffer.c b/drivers/staging/iio/Documentation/generic_buffer.c index 0befcb89ea3..771b2362779 100644 --- a/drivers/staging/iio/Documentation/generic_buffer.c +++ b/drivers/staging/iio/Documentation/generic_buffer.c @@ -29,9 +29,6 @@ #include #include "iio_utils.h" -const int buf_len = 128; -const int num_loops = 2; - /** * size_from_channelarray() - calculate the storage size of a scan * @channels: the channel info array @@ -119,6 +116,11 @@ void process_scan(char *data, int main(int argc, char **argv) { + unsigned long num_loops = 2; + unsigned long timedelay = 1000000; + unsigned long buf_len = 128; + + int ret, c, i, j, toread; FILE *fp_ev; @@ -136,10 +138,11 @@ int main(int argc, char **argv) char *buffer_access, *buffer_event; int scan_size; int noevents = 0; + char *dummy; struct iio_channel_info *infoarray; - while ((c = getopt(argc, argv, "et:n:")) != -1) { + while ((c = getopt(argc, argv, "l:w:c:et:n:")) != -1) { switch (c) { case 'n': device_name = optarg; @@ -151,6 +154,15 @@ int main(int argc, char **argv) case 'e': noevents = 1; break; + case 'c': + num_loops = strtoul(optarg, &dummy, 10); + break; + case 'w': + timedelay = strtoul(optarg, &dummy, 10); + break; + case 'l': + buf_len = strtoul(optarg, &dummy, 10); + break; case '?': return -1; } @@ -285,7 +297,7 @@ int main(int argc, char **argv) continue; } } else { - usleep(1000); + usleep(timedelay); toread = 64; } -- 2.11.4.GIT