[libsigrok.git] / src / hardware / link-mso19 / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2011 Daniel Ribeiro <drwyrm@gmail.com>
 * Copyright (C) 2012 Renato Caldas <rmsc@fe.up.pt>
 * Copyright (C) 2013 Lior Elazary <lelazary@yahoo.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>
#include "protocol.h"

static const uint32_t drvopts[] = {
	SR_CONF_OSCILLOSCOPE,
	SR_CONF_LOGIC_ANALYZER,
};

static const uint32_t devopts[] = {
	SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
	SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_TRIGGER_TYPE | SR_CONF_LIST,
	SR_CONF_TRIGGER_SLOPE | SR_CONF_SET,
	SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_SET,
	SR_CONF_CAPTURE_RATIO | SR_CONF_SET,
	SR_CONF_RLE | SR_CONF_SET,
};

/*
 * Channels are numbered 0 to 7.
 *
 * See also: http://www.linkinstruments.com/images/mso19_1113.gif
 */
static const char *channel_names[] = {
	/* Note: DSO needs to be first. */
	"DSO", "0", "1", "2", "3", "4", "5", "6", "7",
};

static const uint64_t samplerates[] = {
	SR_HZ(100),
	SR_MHZ(200),
	SR_HZ(100),
};

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	int i;
	GSList *devices = NULL;
	const char *conn = NULL;
	const char *serialcomm = NULL;
	GSList *l;
	struct sr_config *src;
	struct udev *udev;
	int chtype;

	for (l = options; l; l = l->next) {
		src = l->data;
		switch (src->key) {
		case SR_CONF_CONN:
			conn = g_variant_get_string(src->data, NULL);
			break;
		case SR_CONF_SERIALCOMM:
			serialcomm = g_variant_get_string(src->data, NULL);
			break;
		}
	}
	if (!conn)
		conn = SERIALCONN;
	if (!serialcomm)
		serialcomm = SERIALCOMM;

	udev = udev_new();
	if (!udev) {
		sr_err("Failed to initialize udev.");
	}

	struct udev_enumerate *enumerate = udev_enumerate_new(udev);
	udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
	udev_enumerate_scan_devices(enumerate);
	struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
	struct udev_list_entry *dev_list_entry;
	for (dev_list_entry = devs;
	     dev_list_entry != NULL;
	     dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
		const char *syspath = udev_list_entry_get_name(dev_list_entry);
		struct udev_device *dev =
		    udev_device_new_from_syspath(udev, syspath);
		const char *sysname = udev_device_get_sysname(dev);
		struct udev_device *parent =
		    udev_device_get_parent_with_subsystem_devtype(dev, "usb",
								  "usb_device");

		if (!parent) {
			sr_err("Unable to find parent usb device for %s",
			       sysname);
			continue;
		}

		const char *idVendor =
		    udev_device_get_sysattr_value(parent, "idVendor");
		const char *idProduct =
		    udev_device_get_sysattr_value(parent, "idProduct");
		if (strcmp(USB_VENDOR, idVendor)
		    || strcmp(USB_PRODUCT, idProduct))
			continue;

		const char *iSerial =
		    udev_device_get_sysattr_value(parent, "serial");
		const char *iProduct =
		    udev_device_get_sysattr_value(parent, "product");

		char path[32];
		snprintf(path, sizeof(path), "/dev/%s", sysname);
		conn = path;

		size_t s = strcspn(iProduct, " ");
		char product[32];
		char manufacturer[32];
		if (s > sizeof(product) ||
		    strlen(iProduct) - s > sizeof(manufacturer)) {
			sr_err("Could not parse iProduct: %s.", iProduct);
			continue;
		}
		strncpy(product, iProduct, s);
		product[s] = 0;
		strcpy(manufacturer, iProduct + s + 1);

		//Create the device context and set its params
		struct dev_context *devc;
		devc = g_malloc0(sizeof(struct dev_context));

		if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
			sr_err("Invalid iSerial: %s.", iSerial);
			g_free(devc);
			return devices;
		}

		char hwrev[32];
		sprintf(hwrev, "r%d", devc->hwrev);
		devc->ctlbase1 = 0;
		devc->protocol_trigger.spimode = 0;
		for (i = 0; i < 4; i++) {
			devc->protocol_trigger.word[i] = 0;
			devc->protocol_trigger.mask[i] = 0xff;
		}

		devc->serial = sr_serial_dev_inst_new(conn, serialcomm);

		struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst));
		sdi->status = SR_ST_INACTIVE;
		sdi->vendor = g_strdup(manufacturer);
		sdi->model = g_strdup(product);
		sdi->version = g_strdup(hwrev);
		sdi->priv = devc;

		for (i = 0; i < ARRAY_SIZE(channel_names); i++) {
			chtype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC;
			sr_channel_new(sdi, i, chtype, TRUE, channel_names[i]);
		}
	}

	return std_scan_complete(di, devices);
}

static int dev_open(struct sr_dev_inst *sdi)
{
	int ret;
	struct dev_context *devc;

	devc = sdi->priv;

	if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
		return SR_ERR;

	/* FIXME: discard serial buffer */
	mso_check_trigger(devc->serial, &devc->trigger_state);
	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);

	ret = mso_reset_adc(sdi);
	if (ret != SR_OK)
		return ret;

	mso_check_trigger(devc->serial, &devc->trigger_state);
	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);

	//    ret = mso_reset_fsm(sdi);
	//    if (ret != SR_OK)
	//            return ret;
	//    return SR_ERR;

	return SR_OK;
}

static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;

	(void)cg;

	if (!sdi)
		return SR_ERR_ARG;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_SAMPLERATE:
		*data = g_variant_new_uint64(devc->cur_rate);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	int ret;
	struct dev_context *devc;
	uint64_t num_samples;
	const char *slope;
	int trigger_pos;
	double pos;

	(void)cg;

	devc = sdi->priv;

	ret = SR_OK;
	switch (key) {
	case SR_CONF_SAMPLERATE:
		// FIXME
		return mso_configure_rate(sdi, g_variant_get_uint64(data));
	case SR_CONF_LIMIT_SAMPLES:
		num_samples = g_variant_get_uint64(data);
		if (num_samples != 1024) {
			sr_err("Only 1024 samples are supported.");
			ret = SR_ERR_ARG;
			break;
		};
		devc->limit_samples = num_samples;
		break;
	case SR_CONF_CAPTURE_RATIO:
		break;
	case SR_CONF_TRIGGER_SLOPE:
		slope = g_variant_get_string(data, NULL);

		if (!slope || !(slope[0] == 'f' || slope[0] == 'r'))
			sr_err("Invalid trigger slope");
			ret = SR_ERR_ARG;
			break;
		}
		devc->trigger_slope = (slope[0] == 'r')
			? SLOPE_POSITIVE : SLOPE_NEGATIVE;
		break;
	case SR_CONF_HORIZ_TRIGGERPOS:
		pos = g_variant_get_double(data);
		if (pos < 0 || pos > 255) {
			sr_err("Trigger position (%f) should be between 0 and 255.", pos);
			ret = SR_ERR_ARG;
			break;
		}
		trigger_pos = (int)pos;
		devc->trigger_holdoff[0] = trigger_pos & 0xff;
		break;
	case SR_CONF_RLE:
		break;
	default:
		ret = SR_ERR_NA;
	}

	return ret;
}

static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	GVariant *gvar;
	GVariantBuilder gvb;

	switch (key) {
	case SR_CONF_DEVICE_OPTIONS:
		return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
	case SR_CONF_SAMPLERATE:
		g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
		gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
				ARRAY_SIZE(samplerates), sizeof(uint64_t));
		g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
		*data = g_variant_builder_end(&gvb);
		break;
	case SR_CONF_TRIGGER_TYPE:
		*data = g_variant_new_string(TRIGGER_TYPE);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	int ret = SR_ERR;

	devc = sdi->priv;

	if (mso_configure_channels(sdi) != SR_OK) {
		sr_err("Failed to configure channels.");
		return SR_ERR;
	}

	/* FIXME: No need to do full reconfigure every time */
//      ret = mso_reset_fsm(sdi);
//      if (ret != SR_OK)
//              return ret;

	/* FIXME: ACDC Mode */
	devc->ctlbase1 &= 0x7f;
//      devc->ctlbase1 |= devc->acdcmode;

	ret = mso_configure_rate(sdi, devc->cur_rate);
	if (ret != SR_OK)
		return ret;

	/* set dac offset */
	ret = mso_dac_out(sdi, devc->dac_offset);
	if (ret != SR_OK)
		return ret;

	ret = mso_configure_threshold_level(sdi);
	if (ret != SR_OK)
		return ret;

	ret = mso_configure_trigger(sdi);
	if (ret != SR_OK)
		return ret;

	/* END of config hardware part */
	ret = mso_arm(sdi);
	if (ret != SR_OK)
		return ret;

	/* Start acquisition on the device. */
	mso_check_trigger(devc->serial, &devc->trigger_state);
	ret = mso_check_trigger(devc->serial, NULL);
	if (ret != SR_OK)
		return ret;

	/* Reset trigger state. */
	devc->trigger_state = 0x00;

	std_session_send_df_header(sdi);

	/* Our first channel is analog, the other 8 are of type 'logic'. */
	/* TODO. */

	serial_source_add(sdi->session, devc->serial, G_IO_IN, -1,
			mso_receive_data, sdi);

	return SR_OK;
}

/* This stops acquisition on ALL devices, ignoring dev_index. */
static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	stop_acquisition(sdi);

	return SR_OK;
}

static struct sr_dev_driver link_mso19_driver_info = {
	.name = "link-mso19",
	.longname = "Link Instruments MSO-19",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = std_dev_clear,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = dev_open,
	.dev_close = std_serial_dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = dev_acquisition_stop,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(link_mso19_driver_info);
Commit	Line	Data
df92e5cf	1	/*
50985c20	2	* This file is part of the libsigrok project.
df92e5cf	3	*
f48cef78 UH	4	* Copyright (C) 2011 Daniel Ribeiro <drwyrm@gmail.com>
	5	* Copyright (C) 2012 Renato Caldas <rmsc@fe.up.pt>
	6	* Copyright (C) 2013 Lior Elazary <lelazary@yahoo.com>
df92e5cf	7	*
	8	* This program is free software: you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation, either version 3 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	20	*/
	21
6ec6c43b	22	#include <config.h>
df92e5cf	23	#include "protocol.h"
df92e5cf	24
05199c0a	25	static const uint32_t drvopts[] = {
365f04d6	26	SR_CONF_OSCILLOSCOPE,
1953564a	27	SR_CONF_LOGIC_ANALYZER,
05199c0a UH	28	};
	29
	30	static const uint32_t devopts[] = {
5827f61b BV	31	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	32	SR_CONF_SAMPLERATE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	33	SR_CONF_TRIGGER_TYPE \| SR_CONF_LIST,
	34	SR_CONF_TRIGGER_SLOPE \| SR_CONF_SET,
	35	SR_CONF_HORIZ_TRIGGERPOS \| SR_CONF_SET,
	36	SR_CONF_CAPTURE_RATIO \| SR_CONF_SET,
	37	SR_CONF_RLE \| SR_CONF_SET,
df92e5cf	38	};
	39
	40	/*
ba7dd8bb	41	* Channels are numbered 0 to 7.
df92e5cf	42	*
	43	* See also: http://www.linkinstruments.com/images/mso19_1113.gif
	44	*/
0f34cb47	45	static const char *channel_names[] = {
365f04d6	46	/* Note: DSO needs to be first. */
0f34cb47	47	"DSO", "0", "1", "2", "3", "4", "5", "6", "7",
df92e5cf	48	};
df92e5cf	49
a9ed6877 BV	50	static const uint64_t samplerates[] = {
	51	SR_HZ(100),
	52	SR_MHZ(200),
	53	SR_HZ(100),
df92e5cf	54	};
df92e5cf	55
4f840ce9	56	static GSList scan(struct sr_dev_driver di, GSList *options)
df92e5cf	57	{
00b44ccb UH	58	int i;
	59	GSList *devices = NULL;
	60	const char *conn = NULL;
	61	const char *serialcomm = NULL;
	62	GSList *l;
1987b8d6	63	struct sr_config *src;
00b44ccb	64	struct udev *udev;
fca75cbb	65	int chtype;
df92e5cf	66
df92e5cf	67	for (l = options; l; l = l->next) {
1987b8d6 BV	68	src = l->data;
1987b8d6 BV	69	switch (src->key) {
1953564a	70	case SR_CONF_CONN:
a9ed6877	71	conn = g_variant_get_string(src->data, NULL);
df92e5cf	72	break;
1953564a	73	case SR_CONF_SERIALCOMM:
06c45a66	74	serialcomm = g_variant_get_string(src->data, NULL);
df92e5cf	75	break;
	76	}
	77	}
	78	if (!conn)
00b44ccb	79	conn = SERIALCONN;
98fec29e	80	if (!serialcomm)
df92e5cf	81	serialcomm = SERIALCOMM;
df92e5cf	82
00b44ccb	83	udev = udev_new();
df92e5cf	84	if (!udev) {
	85	sr_err("Failed to initialize udev.");
	86	}
00b44ccb	87
df92e5cf	88	struct udev_enumerate *enumerate = udev_enumerate_new(udev);
	89	udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
	90	udev_enumerate_scan_devices(enumerate);
	91	struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
	92	struct udev_list_entry *dev_list_entry;
00b44ccb UH	93	for (dev_list_entry = devs;
	94	dev_list_entry != NULL;
	95	dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
df92e5cf	96	const char *syspath = udev_list_entry_get_name(dev_list_entry);
00b44ccb UH	97	struct udev_device *dev =
00b44ccb UH	98	udev_device_new_from_syspath(udev, syspath);
df92e5cf	99	const char *sysname = udev_device_get_sysname(dev);
00b44ccb UH	100	struct udev_device *parent =
	101	udev_device_get_parent_with_subsystem_devtype(dev, "usb",
	102	"usb_device");
df92e5cf	103
	104	if (!parent) {
	105	sr_err("Unable to find parent usb device for %s",
	106	sysname);
	107	continue;
	108	}
	109
00b44ccb UH	110	const char *idVendor =
	111	udev_device_get_sysattr_value(parent, "idVendor");
	112	const char *idProduct =
	113	udev_device_get_sysattr_value(parent, "idProduct");
df92e5cf	114	if (strcmp(USB_VENDOR, idVendor)
00b44ccb	115	\|\| strcmp(USB_PRODUCT, idProduct))
df92e5cf	116	continue;
df92e5cf	117
00b44ccb UH	118	const char *iSerial =
	119	udev_device_get_sysattr_value(parent, "serial");
	120	const char *iProduct =
	121	udev_device_get_sysattr_value(parent, "product");
df92e5cf	122
00b44ccb	123	char path[32];
df92e5cf	124	snprintf(path, sizeof(path), "/dev/%s", sysname);
00b44ccb	125	conn = path;
df92e5cf	126
df92e5cf	127	size_t s = strcspn(iProduct, " ");
00b44ccb UH	128	char product[32];
00b44ccb UH	129	char manufacturer[32];
df92e5cf	130	if (s > sizeof(product) \|\|
00b44ccb UH	131	strlen(iProduct) - s > sizeof(manufacturer)) {
00b44ccb UH	132	sr_err("Could not parse iProduct: %s.", iProduct);
df92e5cf	133	continue;
	134	}
	135	strncpy(product, iProduct, s);
	136	product[s] = 0;
4db2aaff	137	strcpy(manufacturer, iProduct + s + 1);
00b44ccb UH	138
	139	//Create the device context and set its params
	140	struct dev_context *devc;
f57d8ffe	141	devc = g_malloc0(sizeof(struct dev_context));
00b44ccb UH	142
	143	if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
	144	sr_err("Invalid iSerial: %s.", iSerial);
	145	g_free(devc);
	146	return devices;
	147	}
	148
	149	char hwrev[32];
	150	sprintf(hwrev, "r%d", devc->hwrev);
	151	devc->ctlbase1 = 0;
	152	devc->protocol_trigger.spimode = 0;
	153	for (i = 0; i < 4; i++) {
	154	devc->protocol_trigger.word[i] = 0;
	155	devc->protocol_trigger.mask[i] = 0xff;
	156	}
	157
91219afc	158	devc->serial = sr_serial_dev_inst_new(conn, serialcomm);
00b44ccb	159
aac29cc1 UH	160	struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst));
	161	sdi->status = SR_ST_INACTIVE;
	162	sdi->vendor = g_strdup(manufacturer);
	163	sdi->model = g_strdup(product);
	164	sdi->version = g_strdup(hwrev);
00b44ccb UH	165	sdi->priv = devc;
00b44ccb UH	166
07962655	167	for (i = 0; i < ARRAY_SIZE(channel_names); i++) {
fca75cbb	168	chtype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC;
0f34cb47	169	sr_channel_new(sdi, i, chtype, TRUE, channel_names[i]);
00b44ccb	170	}
00b44ccb	171	}
5a24e89c	172
15a5bfe4	173	return std_scan_complete(di, devices);
df92e5cf	174	}
df92e5cf	175
6078d2c9	176	static int dev_open(struct sr_dev_inst *sdi)
df92e5cf	177	{
00b44ccb	178	int ret;
df92e5cf	179	struct dev_context *devc;
	180
	181	devc = sdi->priv;
	182
	183	if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
	184	return SR_ERR;
	185
df92e5cf	186	/* FIXME: discard serial buffer */
	187	mso_check_trigger(devc->serial, &devc->trigger_state);
	188	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	189
00b44ccb	190	ret = mso_reset_adc(sdi);
df92e5cf	191	if (ret != SR_OK)
	192	return ret;
	193
	194	mso_check_trigger(devc->serial, &devc->trigger_state);
	195	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	196
00b44ccb UH	197	// ret = mso_reset_fsm(sdi);
	198	// if (ret != SR_OK)
	199	// return ret;
	200	// return SR_ERR;
df92e5cf	201
	202	return SR_OK;
	203	}
	204
2ea67fc9	205	static int config_get(int key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	206	const struct sr_channel_group *cg)
df92e5cf	207	{
	208	struct dev_context *devc;
	209
53b4680f	210	(void)cg;
8f996b89	211
709468ba UH	212	if (!sdi)
	213	return SR_ERR_ARG;
	214
	215	devc = sdi->priv;
	216
2ea67fc9	217	switch (key) {
123e1313	218	case SR_CONF_SAMPLERATE:
709468ba	219	*data = g_variant_new_uint64(devc->cur_rate);
df92e5cf	220	break;
df92e5cf	221	default:
bd6fbf62	222	return SR_ERR_NA;
df92e5cf	223	}
	224
	225	return SR_OK;
	226	}
	227
2ea67fc9	228	static int config_set(int key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	229	const struct sr_channel_group *cg)
df92e5cf	230	{
df92e5cf	231	int ret;
087a9161	232	struct dev_context *devc;
ca9b9f48 DE	233	uint64_t num_samples;
ca9b9f48 DE	234	const char *slope;
00b44ccb	235	int trigger_pos;
a9ed6877	236	double pos;
00b44ccb	237
53b4680f	238	(void)cg;
b0baddef	239
00b44ccb	240	devc = sdi->priv;
087a9161	241
a9010323	242	ret = SR_OK;
2ea67fc9	243	switch (key) {
1953564a	244	case SR_CONF_SAMPLERATE:
00b44ccb	245	// FIXME
a9ed6877	246	return mso_configure_rate(sdi, g_variant_get_uint64(data));
1953564a	247	case SR_CONF_LIMIT_SAMPLES:
a9ed6877	248	num_samples = g_variant_get_uint64(data);
5952553f	249	if (num_samples != 1024) {
5952553f	250	sr_err("Only 1024 samples are supported.");
00b44ccb	251	ret = SR_ERR_ARG;
a9010323 UH	252	break;
	253	};
	254	devc->limit_samples = num_samples;
df92e5cf	255	break;
1953564a	256	case SR_CONF_CAPTURE_RATIO:
00b44ccb	257	break;
1953564a	258	case SR_CONF_TRIGGER_SLOPE:
ca9b9f48 DE	259	slope = g_variant_get_string(data, NULL);
	260
	261	if (!slope \|\| !(slope[0] == 'f' \|\| slope[0] == 'r'))
00b44ccb UH	262	sr_err("Invalid trigger slope");
00b44ccb UH	263	ret = SR_ERR_ARG;
a9010323	264	break;
00b44ccb	265	}
a9010323 UH	266	devc->trigger_slope = (slope[0] == 'r')
a9010323 UH	267	? SLOPE_POSITIVE : SLOPE_NEGATIVE;
00b44ccb	268	break;
1953564a	269	case SR_CONF_HORIZ_TRIGGERPOS:
a9ed6877	270	pos = g_variant_get_double(data);
00b44ccb UH	271	if (pos < 0 \|\| pos > 255) {
	272	sr_err("Trigger position (%f) should be between 0 and 255.", pos);
	273	ret = SR_ERR_ARG;
a9010323	274	break;
00b44ccb	275	}
a9010323 UH	276	trigger_pos = (int)pos;
a9010323 UH	277	devc->trigger_holdoff[0] = trigger_pos & 0xff;
df92e5cf	278	break;
1953564a	279	case SR_CONF_RLE:
df92e5cf	280	break;
df92e5cf	281	default:
bd6fbf62	282	ret = SR_ERR_NA;
df92e5cf	283	}
	284
	285	return ret;
	286	}
	287
8f996b89	288	static int config_list(int key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	289	const struct sr_channel_group *cg)
a1c743fc	290	{
a9ed6877 BV	291	GVariant *gvar;
a9ed6877 BV	292	GVariantBuilder gvb;
a1c743fc	293
a1c743fc	294	switch (key) {
9a6517d1	295	case SR_CONF_DEVICE_OPTIONS:
05199c0a	296	return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
a1c743fc	297	case SR_CONF_SAMPLERATE:
a9ed6877 BV	298	g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
	299	gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
	300	ARRAY_SIZE(samplerates), sizeof(uint64_t));
	301	g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
	302	*data = g_variant_builder_end(&gvb);
a1c743fc	303	break;
c50277a6	304	case SR_CONF_TRIGGER_TYPE:
a9ed6877	305	*data = g_variant_new_string(TRIGGER_TYPE);
c50277a6	306	break;
a1c743fc	307	default:
bd6fbf62	308	return SR_ERR_NA;
a1c743fc BV	309	}
	310
	311	return SR_OK;
	312	}
	313
695dc859	314	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
df92e5cf	315	{
df92e5cf	316	struct dev_context *devc;
df92e5cf	317	int ret = SR_ERR;
00b44ccb	318
e73ffd42	319	devc = sdi->priv;
df92e5cf	320
ba7dd8bb UH	321	if (mso_configure_channels(sdi) != SR_OK) {
ba7dd8bb UH	322	sr_err("Failed to configure channels.");
5a24e89c	323	return SR_ERR;
5a24e89c	324	}
df92e5cf	325
df92e5cf	326	/* FIXME: No need to do full reconfigure every time */
00b44ccb UH	327	// ret = mso_reset_fsm(sdi);
	328	// if (ret != SR_OK)
	329	// return ret;
df92e5cf	330
	331	/* FIXME: ACDC Mode */
	332	devc->ctlbase1 &= 0x7f;
00b44ccb	333	// devc->ctlbase1 \|= devc->acdcmode;
df92e5cf	334
	335	ret = mso_configure_rate(sdi, devc->cur_rate);
	336	if (ret != SR_OK)
	337	return ret;
	338
	339	/* set dac offset */
	340	ret = mso_dac_out(sdi, devc->dac_offset);
	341	if (ret != SR_OK)
	342	return ret;
	343
	344	ret = mso_configure_threshold_level(sdi);
	345	if (ret != SR_OK)
	346	return ret;
	347
	348	ret = mso_configure_trigger(sdi);
	349	if (ret != SR_OK)
	350	return ret;
	351
df92e5cf	352	/* END of config hardware part */
00b44ccb UH	353	ret = mso_arm(sdi);
	354	if (ret != SR_OK)
	355	return ret;
df92e5cf	356
df92e5cf	357	/* Start acquisition on the device. */
4db2aaff	358	mso_check_trigger(devc->serial, &devc->trigger_state);
4db2aaff	359	ret = mso_check_trigger(devc->serial, NULL);
df92e5cf	360	if (ret != SR_OK)
	361	return ret;
	362
365f04d6	363	/* Reset trigger state. */
	364	devc->trigger_state = 0x00;
	365
bee2b016	366	std_session_send_df_header(sdi);
df92e5cf	367
ba7dd8bb	368	/* Our first channel is analog, the other 8 are of type 'logic'. */
365f04d6	369	/* TODO. */
365f04d6	370
102f1239	371	serial_source_add(sdi->session, devc->serial, G_IO_IN, -1,
695dc859	372	mso_receive_data, sdi);
df92e5cf	373
	374	return SR_OK;
	375	}
	376
087a9161	377	/* This stops acquisition on ALL devices, ignoring dev_index. */
695dc859	378	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
df92e5cf	379	{
df92e5cf	380	stop_acquisition(sdi);
	381
	382	return SR_OK;
	383	}
	384
dd5c48a6	385	static struct sr_dev_driver link_mso19_driver_info = {
df92e5cf	386	.name = "link-mso19",
	387	.longname = "Link Instruments MSO-19",
	388	.api_version = 1,
c2fdcc25	389	.init = std_init,
700d6b64	390	.cleanup = std_cleanup,
6078d2c9	391	.scan = scan,
c01bf34c	392	.dev_list = std_dev_list,
f778bf02	393	.dev_clear = std_dev_clear,
035a1078 BV	394	.config_get = config_get,
035a1078 BV	395	.config_set = config_set,
a1c743fc	396	.config_list = config_list,
6078d2c9	397	.dev_open = dev_open,
bf2c987f	398	.dev_close = std_serial_dev_close,
6078d2c9 UH	399	.dev_acquisition_start = dev_acquisition_start,
6078d2c9 UH	400	.dev_acquisition_stop = dev_acquisition_stop,
41812aca	401	.context = NULL,
df92e5cf	402	};
dd5c48a6	403	SR_REGISTER_DEV_DRIVER(link_mso19_driver_info);