[libsigrok.git] / src / hardware / beaglelogic / beaglelogic_tcp.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2017 Kumar Abhishek <abhishek@theembeddedkitchen.net>
 * Portions of the code are adapted from scpi_tcp.c and scpi.c, their
 * copyright notices are listed below:
 *
 * Copyright (C) 2013 Martin Ling <martin-sigrok@earth.li>
 * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>
#ifdef _WIN32
#define _WIN32_WINNT 0x0501
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#include <glib.h>
#include <string.h>
#include <unistd.h>
#ifndef _WIN32
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#endif
#include <errno.h>

#include "protocol.h"
#include "beaglelogic.h"

static int beaglelogic_tcp_open(struct dev_context *devc)
{
	struct addrinfo hints;
	struct addrinfo *results, *res;
	int err;

	memset(&hints, 0, sizeof(hints));
	hints.ai_family = AF_UNSPEC;
	hints.ai_socktype = SOCK_STREAM;
	hints.ai_protocol = IPPROTO_TCP;

	err = getaddrinfo(devc->address, devc->port, &hints, &results);

	if (err) {
		sr_err("Address lookup failed: %s:%s: %s", devc->address,
			devc->port, gai_strerror(err));
		return SR_ERR;
	}

	for (res = results; res; res = res->ai_next) {
		if ((devc->socket = socket(res->ai_family, res->ai_socktype,
						res->ai_protocol)) < 0)
			continue;
		if (connect(devc->socket, res->ai_addr, res->ai_addrlen) != 0) {
			close(devc->socket);
			devc->socket = -1;
			continue;
		}
		break;
	}

	freeaddrinfo(results);

	if (devc->socket < 0) {
		sr_err("Failed to connect to %s:%s: %s", devc->address,
			devc->port, g_strerror(errno));
		return SR_ERR;
	}

	return SR_OK;
}

static int beaglelogic_tcp_send_cmd(struct dev_context *devc,
				    const char *format, ...)
{
	int len, out;
	va_list args, args_copy;
	char *buf;

	va_start(args, format);
	va_copy(args_copy, args);
	len = vsnprintf(NULL, 0, format, args_copy);
	va_end(args_copy);

	buf = g_malloc0(len + 2);
	vsprintf(buf, format, args);
	va_end(args);

	if (buf[len - 1] != '\n')
		buf[len] = '\n';

	out = send(devc->socket, buf, strlen(buf), 0);

	if (out < 0) {
		sr_err("Send error: %s", g_strerror(errno));
		return SR_ERR;
	}

	if (out < (int)strlen(buf)) {
		sr_dbg("Only sent %d/%lu bytes of command: '%s'.", out,
		       strlen(buf), buf);
	}

	sr_spew("Sent command: '%s'.", buf);

	g_free(buf);

	return SR_OK;
}

static int beaglelogic_tcp_read_data(struct dev_context *devc, char *buf,
				     int maxlen)
{
	int len;

	len = recv(devc->socket, buf, maxlen, 0);

	if (len < 0) {
		sr_err("Receive error: %s", g_strerror(errno));
		return SR_ERR;
	}

	return len;
}

SR_PRIV int beaglelogic_tcp_drain(struct dev_context *devc)
{
	char *buf = g_malloc(1024);
	fd_set rset;
	int ret, len = 0;
	struct timeval tv;

	FD_ZERO(&rset);
	FD_SET(devc->socket, &rset);

	/* 25ms timeout */
	tv.tv_sec = 0;
	tv.tv_usec = 25 * 1000;

	do {
		ret = select(devc->socket + 1, &rset, NULL, NULL, &tv);
		if (ret > 0)
			len += beaglelogic_tcp_read_data(devc, buf, 1024);
	} while (ret > 0);

	sr_spew("Drained %d bytes of data.", len);

	g_free(buf);

	return SR_OK;
}

static int beaglelogic_tcp_get_string(struct dev_context *devc, const char *cmd,
				      char **tcp_resp)
{
	GString *response = g_string_sized_new(1024);
	int len;
	gint64 timeout;

	if (cmd) {
		if (beaglelogic_tcp_send_cmd(devc, cmd) != SR_OK)
			return SR_ERR;
	}

	timeout = g_get_monotonic_time() + devc->read_timeout;
	len = beaglelogic_tcp_read_data(devc, response->str,
					response->allocated_len);

	if (len < 0) {
		g_string_free(response, TRUE);
		return SR_ERR;
	}

	if (len > 0)
		g_string_set_size(response, len);

	if (g_get_monotonic_time() > timeout) {
		sr_err("Timed out waiting for response.");
		g_string_free(response, TRUE);
		return SR_ERR_TIMEOUT;
	}

	/* Remove trailing newline if present */
	if (response->len >= 1 && response->str[response->len - 1] == '\n')
		g_string_truncate(response, response->len - 1);

	/* Remove trailing carriage return if present */
	if (response->len >= 1 && response->str[response->len - 1] == '\r')
		g_string_truncate(response, response->len - 1);

	sr_spew("Got response: '%.70s', length %" G_GSIZE_FORMAT ".",
		response->str, response->len);

	*tcp_resp = g_string_free(response, FALSE);

	return SR_OK;
}

static int beaglelogic_tcp_get_int(struct dev_context *devc,
				   const char *cmd, int *response)
{
	int ret;
	char *resp = NULL;

	ret = beaglelogic_tcp_get_string(devc, cmd, &resp);
	if (!resp && ret != SR_OK)
		return ret;

	if (sr_atoi(resp, response) == SR_OK)
		ret = SR_OK;
	else
		ret = SR_ERR_DATA;

	g_free(resp);

	return ret;
}

SR_PRIV int beaglelogic_tcp_detect(struct dev_context *devc)
{
	char *resp = NULL;
	int ret;

	ret = beaglelogic_tcp_get_string(devc, "version", &resp);
	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "BeagleLogic", 11))
		ret = SR_OK;
	else
		ret = SR_ERR;

	g_free(resp);

	return ret;
}

static int beaglelogic_open(struct dev_context *devc)
{
	return beaglelogic_tcp_open(devc);
}

static int beaglelogic_close(struct dev_context *devc)
{
	if (close(devc->socket) < 0)
		return SR_ERR;

	return SR_OK;
}

static int beaglelogic_get_buffersize(struct dev_context *devc)
{
	return beaglelogic_tcp_get_int(devc, "memalloc",
		(int *)&devc->buffersize);
}

static int beaglelogic_set_buffersize(struct dev_context *devc)
{
	int ret;
	char *resp;

	beaglelogic_tcp_send_cmd(devc, "memalloc %lu", devc->buffersize);
	ret = beaglelogic_tcp_get_string(devc, NULL, &resp);
	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "ok", 2))
		ret = SR_OK;
	else
		ret = SR_ERR;

	g_free(resp);

	return ret;
}

static int beaglelogic_get_samplerate(struct dev_context *devc)
{
	int arg, err;

	err = beaglelogic_tcp_get_int(devc, "samplerate", &arg);
	devc->cur_samplerate = arg;

	return err;
}

static int beaglelogic_set_samplerate(struct dev_context *devc)
{
	int ret;
	char *resp;

	beaglelogic_tcp_send_cmd(devc, "samplerate %lu",
		(uint32_t)devc->cur_samplerate);
	ret = beaglelogic_tcp_get_string(devc, NULL, &resp);
	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "ok", 2))
		ret = SR_OK;
	else
		ret = SR_ERR;

	g_free(resp);

	return ret;
}

static int beaglelogic_get_sampleunit(struct dev_context *devc)
{
	return beaglelogic_tcp_get_int(devc, "sampleunit",
		(int *)&devc->sampleunit);
}

static int beaglelogic_set_sampleunit(struct dev_context *devc)
{
	int ret;
	char *resp;

	beaglelogic_tcp_send_cmd(devc, "sampleunit %lu", devc->sampleunit);
	ret = beaglelogic_tcp_get_string(devc, NULL, &resp);
	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "ok", 2))
		ret = SR_OK;
	else
		ret = SR_ERR;

	g_free(resp);

	return ret;
}

static int beaglelogic_get_triggerflags(struct dev_context *devc)
{
	return beaglelogic_tcp_get_int(devc, "triggerflags",
		(int *)&devc->triggerflags);
}

static int beaglelogic_set_triggerflags(struct dev_context *devc)
{
	int ret;
	char *resp;

	beaglelogic_tcp_send_cmd(devc, "triggerflags %lu", devc->triggerflags);
	ret = beaglelogic_tcp_get_string(devc, NULL, &resp);
	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "ok", 2))
		ret = SR_OK;
	else
		ret = SR_ERR;

	g_free(resp);

	return ret;
}

static int beaglelogic_get_lasterror(struct dev_context *devc)
{
	devc->last_error = 0;

	return SR_OK;
}

static int beaglelogic_start(struct dev_context *devc)
{
	beaglelogic_tcp_drain(devc);

	return beaglelogic_tcp_send_cmd(devc, "get");
}

static int beaglelogic_stop(struct dev_context *devc)
{
	return beaglelogic_tcp_send_cmd(devc, "close");
}

static int beaglelogic_get_bufunitsize(struct dev_context *devc)
{
	return beaglelogic_tcp_get_int(devc, "bufunitsize",
		(int *)&devc->bufunitsize);
}

static int beaglelogic_set_bufunitsize(struct dev_context *devc)
{
	int ret;
	char *resp;

	beaglelogic_tcp_send_cmd(devc, "bufunitsize %ld", devc->bufunitsize);
	ret = beaglelogic_tcp_get_string(devc, NULL, &resp);
	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "ok", 2))
		ret = SR_OK;
	else
		ret = SR_ERR;

	g_free(resp);

	return ret;
}

static int dummy(struct dev_context *devc)
{
	(void)devc;

	return SR_ERR_NA;
}

SR_PRIV const struct beaglelogic_ops beaglelogic_tcp_ops = {
	.open = beaglelogic_open,
	.close = beaglelogic_close,
	.get_buffersize = beaglelogic_get_buffersize,
	.set_buffersize = beaglelogic_set_buffersize,
	.get_samplerate = beaglelogic_get_samplerate,
	.set_samplerate = beaglelogic_set_samplerate,
	.get_sampleunit = beaglelogic_get_sampleunit,
	.set_sampleunit = beaglelogic_set_sampleunit,
	.get_triggerflags = beaglelogic_get_triggerflags,
	.set_triggerflags = beaglelogic_set_triggerflags,
	.start = beaglelogic_start,
	.stop = beaglelogic_stop,
	.get_lasterror = beaglelogic_get_lasterror,
	.get_bufunitsize = beaglelogic_get_bufunitsize,
	.set_bufunitsize = beaglelogic_set_bufunitsize,
	.mmap = dummy,
	.munmap = dummy,
};
Commit	Line	Data
9b2b3ef9 KA	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2017 Kumar Abhishek <abhishek@theembeddedkitchen.net>
3124d3bc KA	5	* Portions of the code are adapted from scpi_tcp.c and scpi.c, their
3124d3bc KA	6	* copyright notices are listed below:
9b2b3ef9 KA	7	*
	8	* Copyright (C) 2013 Martin Ling <martin-sigrok@earth.li>
	9	* Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com>
	10	*
	11	* This program is free software: you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License as published by
	13	* the Free Software Foundation, either version 3 of the License, or
	14	* (at your option) any later version.
	15	*
	16	* This program is distributed in the hope that it will be useful,
	17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	19	* GNU General Public License for more details.
	20	*
	21	* You should have received a copy of the GNU General Public License
	22	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	23	*/
	24
	25	#include <config.h>
	26	#ifdef _WIN32
	27	#define _WIN32_WINNT 0x0501
	28	#include <winsock2.h>
	29	#include <ws2tcpip.h>
	30	#endif
	31	#include <glib.h>
	32	#include <string.h>
	33	#include <unistd.h>
	34	#ifndef _WIN32
	35	#include <sys/socket.h>
	36	#include <netinet/in.h>
	37	#include <arpa/inet.h>
	38	#include <netdb.h>
	39	#endif
	40	#include <errno.h>
	41
	42	#include "protocol.h"
	43	#include "beaglelogic.h"
	44
a31010b3 KA	45	static int beaglelogic_tcp_open(struct dev_context *devc)
a31010b3 KA	46	{
9b2b3ef9 KA	47	struct addrinfo hints;
	48	struct addrinfo results, res;
	49	int err;
	50
	51	memset(&hints, 0, sizeof(hints));
	52	hints.ai_family = AF_UNSPEC;
	53	hints.ai_socktype = SOCK_STREAM;
	54	hints.ai_protocol = IPPROTO_TCP;
	55
	56	err = getaddrinfo(devc->address, devc->port, &hints, &results);
	57
	58	if (err) {
	59	sr_err("Address lookup failed: %s:%s: %s", devc->address,
	60	devc->port, gai_strerror(err));
	61	return SR_ERR;
	62	}
	63
	64	for (res = results; res; res = res->ai_next) {
	65	if ((devc->socket = socket(res->ai_family, res->ai_socktype,
	66	res->ai_protocol)) < 0)
	67	continue;
	68	if (connect(devc->socket, res->ai_addr, res->ai_addrlen) != 0) {
	69	close(devc->socket);
	70	devc->socket = -1;
	71	continue;
	72	}
	73	break;
	74	}
	75
	76	freeaddrinfo(results);
	77
	78	if (devc->socket < 0) {
	79	sr_err("Failed to connect to %s:%s: %s", devc->address,
	80	devc->port, g_strerror(errno));
	81	return SR_ERR;
	82	}
	83
	84	return SR_OK;
	85	}
	86
	87	static int beaglelogic_tcp_send_cmd(struct dev_context *devc,
a31010b3 KA	88	const char *format, ...)
a31010b3 KA	89	{
9b2b3ef9 KA	90	int len, out;
	91	va_list args, args_copy;
	92	char *buf;
	93
	94	va_start(args, format);
	95	va_copy(args_copy, args);
	96	len = vsnprintf(NULL, 0, format, args_copy);
	97	va_end(args_copy);
	98
	99	buf = g_malloc0(len + 2);
	100	vsprintf(buf, format, args);
	101	va_end(args);
	102
	103	if (buf[len - 1] != '\n')
	104	buf[len] = '\n';
	105
	106	out = send(devc->socket, buf, strlen(buf), 0);
	107
	108	if (out < 0) {
	109	sr_err("Send error: %s", g_strerror(errno));
	110	return SR_ERR;
	111	}
	112
	113	if (out < (int)strlen(buf)) {
f154b40d	114	sr_dbg("Only sent %d/%lu bytes of command: '%s'.", out,
9b2b3ef9 KA	115	strlen(buf), buf);
	116	}
	117
	118	sr_spew("Sent command: '%s'.", buf);
f82525e6	119
9b2b3ef9 KA	120	g_free(buf);
	121
	122	return SR_OK;
	123	}
	124
	125	static int beaglelogic_tcp_read_data(struct dev_context devc, char buf,
a31010b3 KA	126	int maxlen)
a31010b3 KA	127	{
9b2b3ef9 KA	128	int len;
	129
	130	len = recv(devc->socket, buf, maxlen, 0);
	131
	132	if (len < 0) {
	133	sr_err("Receive error: %s", g_strerror(errno));
	134	return SR_ERR;
	135	}
	136
	137	return len;
	138	}
	139
a31010b3 KA	140	SR_PRIV int beaglelogic_tcp_drain(struct dev_context *devc)
a31010b3 KA	141	{
f7d7ee82 KA	142	char *buf = g_malloc(1024);
	143	fd_set rset;
	144	int ret, len = 0;
	145	struct timeval tv;
	146
	147	FD_ZERO(&rset);
	148	FD_SET(devc->socket, &rset);
	149
	150	/* 25ms timeout */
	151	tv.tv_sec = 0;
	152	tv.tv_usec = 25 * 1000;
	153
	154	do {
	155	ret = select(devc->socket + 1, &rset, NULL, NULL, &tv);
f82525e6	156	if (ret > 0)
f7d7ee82	157	len += beaglelogic_tcp_read_data(devc, buf, 1024);
f7d7ee82 KA	158	} while (ret > 0);
	159
	160	sr_spew("Drained %d bytes of data.", len);
	161
	162	g_free(buf);
f82525e6	163
f7d7ee82 KA	164	return SR_OK;
	165	}
	166
9b2b3ef9	167	static int beaglelogic_tcp_get_string(struct dev_context devc, const char cmd,
a31010b3 KA	168	char **tcp_resp)
a31010b3 KA	169	{
9b2b3ef9 KA	170	GString *response = g_string_sized_new(1024);
	171	int len;
	172	gint64 timeout;
	173
	174	if (cmd) {
f82525e6	175	if (beaglelogic_tcp_send_cmd(devc, cmd) != SR_OK)
9b2b3ef9	176	return SR_ERR;
9b2b3ef9 KA	177	}
	178
	179	timeout = g_get_monotonic_time() + devc->read_timeout;
	180	len = beaglelogic_tcp_read_data(devc, response->str,
	181	response->allocated_len);
	182
	183	if (len < 0) {
	184	g_string_free(response, TRUE);
	185	return SR_ERR;
	186	}
	187
f82525e6	188	if (len > 0)
9b2b3ef9	189	g_string_set_size(response, len);
9b2b3ef9 KA	190
	191	if (g_get_monotonic_time() > timeout) {
	192	sr_err("Timed out waiting for response.");
	193	g_string_free(response, TRUE);
	194	return SR_ERR_TIMEOUT;
	195	}
	196
	197	/* Remove trailing newline if present */
	198	if (response->len >= 1 && response->str[response->len - 1] == '\n')
	199	g_string_truncate(response, response->len - 1);
	200
	201	/* Remove trailing carriage return if present */
	202	if (response->len >= 1 && response->str[response->len - 1] == '\r')
	203	g_string_truncate(response, response->len - 1);
	204
	205	sr_spew("Got response: '%.70s', length %" G_GSIZE_FORMAT ".",
	206	response->str, response->len);
	207
	208	*tcp_resp = g_string_free(response, FALSE);
f82525e6	209
9b2b3ef9 KA	210	return SR_OK;
	211	}
	212
	213	static int beaglelogic_tcp_get_int(struct dev_context *devc,
a31010b3 KA	214	const char cmd, int response)
a31010b3 KA	215	{
9b2b3ef9 KA	216	int ret;
	217	char *resp = NULL;
	218
	219	ret = beaglelogic_tcp_get_string(devc, cmd, &resp);
	220	if (!resp && ret != SR_OK)
	221	return ret;
	222
	223	if (sr_atoi(resp, response) == SR_OK)
	224	ret = SR_OK;
	225	else
	226	ret = SR_ERR_DATA;
	227
	228	g_free(resp);
	229
	230	return ret;
	231	}
	232
a31010b3 KA	233	SR_PRIV int beaglelogic_tcp_detect(struct dev_context *devc)
a31010b3 KA	234	{
9b2b3ef9 KA	235	char *resp = NULL;
	236	int ret;
	237
	238	ret = beaglelogic_tcp_get_string(devc, "version", &resp);
	239	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "BeagleLogic", 11))
	240	ret = SR_OK;
	241	else
	242	ret = SR_ERR;
	243
	244	g_free(resp);
f82525e6	245
9b2b3ef9 KA	246	return ret;
	247	}
	248
a31010b3 KA	249	static int beaglelogic_open(struct dev_context *devc)
a31010b3 KA	250	{
9b2b3ef9 KA	251	return beaglelogic_tcp_open(devc);
	252	}
	253
a31010b3 KA	254	static int beaglelogic_close(struct dev_context *devc)
a31010b3 KA	255	{
9b2b3ef9 KA	256	if (close(devc->socket) < 0)
	257	return SR_ERR;
	258
	259	return SR_OK;
	260	}
	261
a31010b3 KA	262	static int beaglelogic_get_buffersize(struct dev_context *devc)
a31010b3 KA	263	{
9b2b3ef9 KA	264	return beaglelogic_tcp_get_int(devc, "memalloc",
	265	(int *)&devc->buffersize);
	266	}
	267
a31010b3 KA	268	static int beaglelogic_set_buffersize(struct dev_context *devc)
a31010b3 KA	269	{
9b2b3ef9 KA	270	int ret;
	271	char *resp;
	272
	273	beaglelogic_tcp_send_cmd(devc, "memalloc %lu", devc->buffersize);
	274	ret = beaglelogic_tcp_get_string(devc, NULL, &resp);
	275	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "ok", 2))
	276	ret = SR_OK;
	277	else
	278	ret = SR_ERR;
	279
	280	g_free(resp);
f82525e6	281
9b2b3ef9 KA	282	return ret;
	283	}
	284
a31010b3 KA	285	static int beaglelogic_get_samplerate(struct dev_context *devc)
a31010b3 KA	286	{
9b2b3ef9	287	int arg, err;
f82525e6	288
9b2b3ef9 KA	289	err = beaglelogic_tcp_get_int(devc, "samplerate", &arg);
9b2b3ef9 KA	290	devc->cur_samplerate = arg;
f82525e6	291
9b2b3ef9 KA	292	return err;
	293	}
	294
a31010b3 KA	295	static int beaglelogic_set_samplerate(struct dev_context *devc)
a31010b3 KA	296	{
9b2b3ef9 KA	297	int ret;
	298	char *resp;
	299
	300	beaglelogic_tcp_send_cmd(devc, "samplerate %lu",
	301	(uint32_t)devc->cur_samplerate);
	302	ret = beaglelogic_tcp_get_string(devc, NULL, &resp);
	303	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "ok", 2))
	304	ret = SR_OK;
	305	else
	306	ret = SR_ERR;
	307
	308	g_free(resp);
f82525e6	309
9b2b3ef9 KA	310	return ret;
	311	}
	312
a31010b3 KA	313	static int beaglelogic_get_sampleunit(struct dev_context *devc)
a31010b3 KA	314	{
9b2b3ef9 KA	315	return beaglelogic_tcp_get_int(devc, "sampleunit",
	316	(int *)&devc->sampleunit);
	317	}
	318
a31010b3 KA	319	static int beaglelogic_set_sampleunit(struct dev_context *devc)
a31010b3 KA	320	{
9b2b3ef9 KA	321	int ret;
	322	char *resp;
	323
	324	beaglelogic_tcp_send_cmd(devc, "sampleunit %lu", devc->sampleunit);
	325	ret = beaglelogic_tcp_get_string(devc, NULL, &resp);
	326	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "ok", 2))
	327	ret = SR_OK;
	328	else
	329	ret = SR_ERR;
	330
	331	g_free(resp);
f82525e6	332
9b2b3ef9 KA	333	return ret;
	334	}
	335
a31010b3 KA	336	static int beaglelogic_get_triggerflags(struct dev_context *devc)
a31010b3 KA	337	{
9b2b3ef9 KA	338	return beaglelogic_tcp_get_int(devc, "triggerflags",
	339	(int *)&devc->triggerflags);
	340	}
	341
a31010b3 KA	342	static int beaglelogic_set_triggerflags(struct dev_context *devc)
a31010b3 KA	343	{
9b2b3ef9 KA	344	int ret;
	345	char *resp;
	346
	347	beaglelogic_tcp_send_cmd(devc, "triggerflags %lu", devc->triggerflags);
	348	ret = beaglelogic_tcp_get_string(devc, NULL, &resp);
	349	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "ok", 2))
	350	ret = SR_OK;
	351	else
	352	ret = SR_ERR;
	353
	354	g_free(resp);
f82525e6	355
9b2b3ef9 KA	356	return ret;
	357	}
	358
a31010b3 KA	359	static int beaglelogic_get_lasterror(struct dev_context *devc)
a31010b3 KA	360	{
9b2b3ef9	361	devc->last_error = 0;
f82525e6	362
9b2b3ef9 KA	363	return SR_OK;
	364	}
	365
a31010b3 KA	366	static int beaglelogic_start(struct dev_context *devc)
a31010b3 KA	367	{
f7d7ee82	368	beaglelogic_tcp_drain(devc);
f82525e6	369
9b2b3ef9 KA	370	return beaglelogic_tcp_send_cmd(devc, "get");
	371	}
	372
a31010b3 KA	373	static int beaglelogic_stop(struct dev_context *devc)
a31010b3 KA	374	{
9b2b3ef9 KA	375	return beaglelogic_tcp_send_cmd(devc, "close");
	376	}
	377
a31010b3 KA	378	static int beaglelogic_get_bufunitsize(struct dev_context *devc)
a31010b3 KA	379	{
9b2b3ef9 KA	380	return beaglelogic_tcp_get_int(devc, "bufunitsize",
	381	(int *)&devc->bufunitsize);
	382	}
	383
a31010b3 KA	384	static int beaglelogic_set_bufunitsize(struct dev_context *devc)
a31010b3 KA	385	{
9b2b3ef9 KA	386	int ret;
	387	char *resp;
	388
	389	beaglelogic_tcp_send_cmd(devc, "bufunitsize %ld", devc->bufunitsize);
	390	ret = beaglelogic_tcp_get_string(devc, NULL, &resp);
	391	if (ret == SR_OK && !g_ascii_strncasecmp(resp, "ok", 2))
	392	ret = SR_OK;
	393	else
	394	ret = SR_ERR;
	395
	396	g_free(resp);
f82525e6	397
9b2b3ef9 KA	398	return ret;
	399	}
	400
a31010b3 KA	401	static int dummy(struct dev_context *devc)
a31010b3 KA	402	{
f154b40d	403	(void)devc;
f82525e6	404
9b2b3ef9 KA	405	return SR_ERR_NA;
	406	}
	407
	408	SR_PRIV const struct beaglelogic_ops beaglelogic_tcp_ops = {
	409	.open = beaglelogic_open,
	410	.close = beaglelogic_close,
	411	.get_buffersize = beaglelogic_get_buffersize,
	412	.set_buffersize = beaglelogic_set_buffersize,
	413	.get_samplerate = beaglelogic_get_samplerate,
	414	.set_samplerate = beaglelogic_set_samplerate,
	415	.get_sampleunit = beaglelogic_get_sampleunit,
	416	.set_sampleunit = beaglelogic_set_sampleunit,
	417	.get_triggerflags = beaglelogic_get_triggerflags,
	418	.set_triggerflags = beaglelogic_set_triggerflags,
	419	.start = beaglelogic_start,
	420	.stop = beaglelogic_stop,
	421	.get_lasterror = beaglelogic_get_lasterror,
	422	.get_bufunitsize = beaglelogic_get_bufunitsize,
	423	.set_bufunitsize = beaglelogic_set_bufunitsize,
	424	.mmap = dummy,
	425	.munmap = dummy,
	426	};