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Commit 96df9799 authored by Jonathan Cameron's avatar Jonathan Cameron Committed by Greg Kroah-Hartman
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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: default avatarJonathan Cameron <jic23@cam.ac.uk>
Tested-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 30268a3d

drivers/staging/iio/Documentation/generic_buffer.c

+17 −5
Original line number Diff line number Diff line
@@ -29,9 +29,6 @@ 
#include <string.h>

#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;

		}