[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 devopts[] = {
	SR_CONF_OSCILLOSCOPE,
	SR_CONF_LOGIC_ANALYZER,
	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),
};

/* TODO: Use sr_dev_inst to store connection handle & use std_dev_clear(). */
static int dev_clear(const struct sr_dev_driver *di)
{
	struct drv_context *drvc = di->context;
	GSList *l;
	struct sr_dev_inst *sdi;
	struct dev_context *devc;
	int ret = SR_OK;

	/* Properly close and free all devices. */
	for (l = drvc->instances; l; l = l->next) {
		if (!(sdi = l->data)) {
			/* Log error, but continue cleaning up the rest. */
			sr_err("%s: sdi was NULL, continuing", __func__);
			ret = SR_ERR_BUG;
			continue;
		}
		if (!(devc = sdi->priv)) {
			/* Log error, but continue cleaning up the rest. */
			sr_err("%s: sdi->priv was NULL, continuing", __func__);
			ret = SR_ERR_BUG;
			continue;
		}
		std_serial_dev_close(sdi);
		sr_serial_dev_inst_free(devc->serial);
		sr_dev_inst_free(sdi);
	}
	g_slist_free(drvc->instances);
	drvc->instances = NULL;

	return ret;
}

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->driver = di;
		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]);
		}

		//Add the driver
		struct drv_context *drvc = di->context;
		drvc->instances = g_slist_append(drvc->instances, sdi);
		devices = g_slist_append(devices, sdi);
	}

	return 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;

	sdi->status = SR_ST_ACTIVE;

	/* 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;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	switch (key) {
	case SR_CONF_SAMPLERATE:
		// FIXME
		return mso_configure_rate(sdi, g_variant_get_uint64(data));
		ret = SR_OK;
		break;
	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;
		} else {
			devc->limit_samples = num_samples;
			ret = SR_OK;
		}
		break;
	case SR_CONF_CAPTURE_RATIO:
		ret = SR_OK;
		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;
		} else {
			devc->trigger_slope = (slope[0] == 'r')
				? SLOPE_POSITIVE : SLOPE_NEGATIVE;
			ret = SR_OK;
		}
		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;
		} else {
			trigger_pos = (int)pos;
			devc->trigger_holdoff[0] = trigger_pos & 0xff;
			ret = SR_OK;
		}
		break;
	case SR_CONF_RLE:
		ret = SR_OK;
		break;
	default:
		ret = SR_ERR_NA;
		break;
	}

	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;

	(void)cg;
	(void)sdi;

	switch (key) {
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
		break;
	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;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	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, LOG_PREFIX);

	/* 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 = 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
f254bc4b	25	static const uint32_t devopts[] = {
365f04d6	26	SR_CONF_OSCILLOSCOPE,
1953564a	27	SR_CONF_LOGIC_ANALYZER,
5827f61b BV	28	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	29	SR_CONF_SAMPLERATE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	30	SR_CONF_TRIGGER_TYPE \| SR_CONF_LIST,
	31	SR_CONF_TRIGGER_SLOPE \| SR_CONF_SET,
	32	SR_CONF_HORIZ_TRIGGERPOS \| SR_CONF_SET,
	33	SR_CONF_CAPTURE_RATIO \| SR_CONF_SET,
	34	SR_CONF_RLE \| SR_CONF_SET,
df92e5cf	35	};
	36
	37	/*
ba7dd8bb	38	* Channels are numbered 0 to 7.
df92e5cf	39	*
	40	* See also: http://www.linkinstruments.com/images/mso19_1113.gif
	41	*/
0f34cb47	42	static const char *channel_names[] = {
365f04d6	43	/* Note: DSO needs to be first. */
0f34cb47	44	"DSO", "0", "1", "2", "3", "4", "5", "6", "7",
df92e5cf	45	};
df92e5cf	46
a9ed6877 BV	47	static const uint64_t samplerates[] = {
	48	SR_HZ(100),
	49	SR_MHZ(200),
	50	SR_HZ(100),
df92e5cf	51	};
df92e5cf	52
eea49cf1	53	/* TODO: Use sr_dev_inst to store connection handle & use std_dev_clear(). */
4f840ce9	54	static int dev_clear(const struct sr_dev_driver *di)
eea49cf1	55	{
efa98402	56	struct drv_context *drvc = di->context;
eea49cf1 UH	57	GSList *l;
eea49cf1 UH	58	struct sr_dev_inst *sdi;
eea49cf1 UH	59	struct dev_context *devc;
	60	int ret = SR_OK;
	61
eea49cf1 UH	62	/* Properly close and free all devices. */
	63	for (l = drvc->instances; l; l = l->next) {
	64	if (!(sdi = l->data)) {
	65	/* Log error, but continue cleaning up the rest. */
	66	sr_err("%s: sdi was NULL, continuing", __func__);
	67	ret = SR_ERR_BUG;
	68	continue;
	69	}
	70	if (!(devc = sdi->priv)) {
	71	/* Log error, but continue cleaning up the rest. */
	72	sr_err("%s: sdi->priv was NULL, continuing", __func__);
	73	ret = SR_ERR_BUG;
	74	continue;
	75	}
bf2c987f	76	std_serial_dev_close(sdi);
eea49cf1 UH	77	sr_serial_dev_inst_free(devc->serial);
	78	sr_dev_inst_free(sdi);
	79	}
	80	g_slist_free(drvc->instances);
	81	drvc->instances = NULL;
	82
	83	return ret;
	84	}
	85
4f840ce9	86	static GSList scan(struct sr_dev_driver di, GSList *options)
df92e5cf	87	{
00b44ccb UH	88	int i;
	89	GSList *devices = NULL;
	90	const char *conn = NULL;
	91	const char *serialcomm = NULL;
	92	GSList *l;
1987b8d6	93	struct sr_config *src;
00b44ccb	94	struct udev *udev;
fca75cbb	95	int chtype;
df92e5cf	96
df92e5cf	97	for (l = options; l; l = l->next) {
1987b8d6 BV	98	src = l->data;
1987b8d6 BV	99	switch (src->key) {
1953564a	100	case SR_CONF_CONN:
a9ed6877	101	conn = g_variant_get_string(src->data, NULL);
df92e5cf	102	break;
1953564a	103	case SR_CONF_SERIALCOMM:
06c45a66	104	serialcomm = g_variant_get_string(src->data, NULL);
df92e5cf	105	break;
	106	}
	107	}
	108	if (!conn)
00b44ccb	109	conn = SERIALCONN;
98fec29e	110	if (!serialcomm)
df92e5cf	111	serialcomm = SERIALCOMM;
df92e5cf	112
00b44ccb	113	udev = udev_new();
df92e5cf	114	if (!udev) {
	115	sr_err("Failed to initialize udev.");
	116	}
00b44ccb	117
df92e5cf	118	struct udev_enumerate *enumerate = udev_enumerate_new(udev);
	119	udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
	120	udev_enumerate_scan_devices(enumerate);
	121	struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
	122	struct udev_list_entry *dev_list_entry;
00b44ccb UH	123	for (dev_list_entry = devs;
	124	dev_list_entry != NULL;
	125	dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
df92e5cf	126	const char *syspath = udev_list_entry_get_name(dev_list_entry);
00b44ccb UH	127	struct udev_device *dev =
00b44ccb UH	128	udev_device_new_from_syspath(udev, syspath);
df92e5cf	129	const char *sysname = udev_device_get_sysname(dev);
00b44ccb UH	130	struct udev_device *parent =
	131	udev_device_get_parent_with_subsystem_devtype(dev, "usb",
	132	"usb_device");
df92e5cf	133
	134	if (!parent) {
	135	sr_err("Unable to find parent usb device for %s",
	136	sysname);
	137	continue;
	138	}
	139
00b44ccb UH	140	const char *idVendor =
	141	udev_device_get_sysattr_value(parent, "idVendor");
	142	const char *idProduct =
	143	udev_device_get_sysattr_value(parent, "idProduct");
df92e5cf	144	if (strcmp(USB_VENDOR, idVendor)
00b44ccb	145	\|\| strcmp(USB_PRODUCT, idProduct))
df92e5cf	146	continue;
df92e5cf	147
00b44ccb UH	148	const char *iSerial =
	149	udev_device_get_sysattr_value(parent, "serial");
	150	const char *iProduct =
	151	udev_device_get_sysattr_value(parent, "product");
df92e5cf	152
00b44ccb	153	char path[32];
df92e5cf	154	snprintf(path, sizeof(path), "/dev/%s", sysname);
00b44ccb	155	conn = path;
df92e5cf	156
df92e5cf	157	size_t s = strcspn(iProduct, " ");
00b44ccb UH	158	char product[32];
00b44ccb UH	159	char manufacturer[32];
df92e5cf	160	if (s > sizeof(product) \|\|
00b44ccb UH	161	strlen(iProduct) - s > sizeof(manufacturer)) {
00b44ccb UH	162	sr_err("Could not parse iProduct: %s.", iProduct);
df92e5cf	163	continue;
	164	}
	165	strncpy(product, iProduct, s);
	166	product[s] = 0;
4db2aaff	167	strcpy(manufacturer, iProduct + s + 1);
00b44ccb UH	168
	169	//Create the device context and set its params
	170	struct dev_context *devc;
f57d8ffe	171	devc = g_malloc0(sizeof(struct dev_context));
00b44ccb UH	172
	173	if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
	174	sr_err("Invalid iSerial: %s.", iSerial);
	175	g_free(devc);
	176	return devices;
	177	}
	178
	179	char hwrev[32];
	180	sprintf(hwrev, "r%d", devc->hwrev);
	181	devc->ctlbase1 = 0;
	182	devc->protocol_trigger.spimode = 0;
	183	for (i = 0; i < 4; i++) {
	184	devc->protocol_trigger.word[i] = 0;
	185	devc->protocol_trigger.mask[i] = 0xff;
	186	}
	187
91219afc	188	devc->serial = sr_serial_dev_inst_new(conn, serialcomm);
00b44ccb	189
aac29cc1 UH	190	struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst));
	191	sdi->status = SR_ST_INACTIVE;
	192	sdi->vendor = g_strdup(manufacturer);
	193	sdi->model = g_strdup(product);
	194	sdi->version = g_strdup(hwrev);
00b44ccb UH	195	sdi->driver = di;
	196	sdi->priv = devc;
	197
07962655	198	for (i = 0; i < ARRAY_SIZE(channel_names); i++) {
fca75cbb	199	chtype = (i == 0) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC;
0f34cb47	200	sr_channel_new(sdi, i, chtype, TRUE, channel_names[i]);
00b44ccb UH	201	}
	202
	203	//Add the driver
41812aca	204	struct drv_context *drvc = di->context;
00b44ccb UH	205	drvc->instances = g_slist_append(drvc->instances, sdi);
	206	devices = g_slist_append(devices, sdi);
	207	}
5a24e89c	208
df92e5cf	209	return devices;
	210	}
	211
6078d2c9	212	static int dev_open(struct sr_dev_inst *sdi)
df92e5cf	213	{
00b44ccb	214	int ret;
df92e5cf	215	struct dev_context *devc;
	216
	217	devc = sdi->priv;
	218
	219	if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
	220	return SR_ERR;
	221
	222	sdi->status = SR_ST_ACTIVE;
	223
	224	/* FIXME: discard serial buffer */
	225	mso_check_trigger(devc->serial, &devc->trigger_state);
	226	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	227
00b44ccb	228	ret = mso_reset_adc(sdi);
df92e5cf	229	if (ret != SR_OK)
	230	return ret;
	231
	232	mso_check_trigger(devc->serial, &devc->trigger_state);
	233	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	234
00b44ccb UH	235	// ret = mso_reset_fsm(sdi);
	236	// if (ret != SR_OK)
	237	// return ret;
	238	// return SR_ERR;
df92e5cf	239
	240	return SR_OK;
	241	}
	242
2ea67fc9	243	static int config_get(int key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	244	const struct sr_channel_group *cg)
df92e5cf	245	{
	246	struct dev_context *devc;
	247
53b4680f	248	(void)cg;
8f996b89	249
709468ba UH	250	if (!sdi)
	251	return SR_ERR_ARG;
	252
	253	devc = sdi->priv;
	254
2ea67fc9	255	switch (key) {
123e1313	256	case SR_CONF_SAMPLERATE:
709468ba	257	*data = g_variant_new_uint64(devc->cur_rate);
df92e5cf	258	break;
df92e5cf	259	default:
bd6fbf62	260	return SR_ERR_NA;
df92e5cf	261	}
	262
	263	return SR_OK;
	264	}
	265
2ea67fc9	266	static int config_set(int key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	267	const struct sr_channel_group *cg)
df92e5cf	268	{
df92e5cf	269	int ret;
087a9161	270	struct dev_context *devc;
ca9b9f48 DE	271	uint64_t num_samples;
ca9b9f48 DE	272	const char *slope;
00b44ccb	273	int trigger_pos;
a9ed6877	274	double pos;
00b44ccb	275
53b4680f	276	(void)cg;
b0baddef	277
00b44ccb	278	devc = sdi->priv;
087a9161	279
df92e5cf	280	if (sdi->status != SR_ST_ACTIVE)
e73ffd42	281	return SR_ERR_DEV_CLOSED;
df92e5cf	282
2ea67fc9	283	switch (key) {
1953564a	284	case SR_CONF_SAMPLERATE:
00b44ccb	285	// FIXME
a9ed6877	286	return mso_configure_rate(sdi, g_variant_get_uint64(data));
df92e5cf	287	ret = SR_OK;
df92e5cf	288	break;
1953564a	289	case SR_CONF_LIMIT_SAMPLES:
a9ed6877	290	num_samples = g_variant_get_uint64(data);
5952553f	291	if (num_samples != 1024) {
5952553f	292	sr_err("Only 1024 samples are supported.");
00b44ccb UH	293	ret = SR_ERR_ARG;
	294	} else {
	295	devc->limit_samples = num_samples;
00b44ccb UH	296	ret = SR_OK;
00b44ccb UH	297	}
df92e5cf	298	break;
1953564a	299	case SR_CONF_CAPTURE_RATIO:
00b44ccb UH	300	ret = SR_OK;
00b44ccb UH	301	break;
1953564a	302	case SR_CONF_TRIGGER_SLOPE:
ca9b9f48 DE	303	slope = g_variant_get_string(data, NULL);
	304
	305	if (!slope \|\| !(slope[0] == 'f' \|\| slope[0] == 'r'))
00b44ccb UH	306	sr_err("Invalid trigger slope");
	307	ret = SR_ERR_ARG;
	308	} else {
ca9b9f48 DE	309	devc->trigger_slope = (slope[0] == 'r')
ca9b9f48 DE	310	? SLOPE_POSITIVE : SLOPE_NEGATIVE;
00b44ccb UH	311	ret = SR_OK;
	312	}
	313	break;
1953564a	314	case SR_CONF_HORIZ_TRIGGERPOS:
a9ed6877	315	pos = g_variant_get_double(data);
00b44ccb UH	316	if (pos < 0 \|\| pos > 255) {
	317	sr_err("Trigger position (%f) should be between 0 and 255.", pos);
	318	ret = SR_ERR_ARG;
	319	} else {
	320	trigger_pos = (int)pos;
	321	devc->trigger_holdoff[0] = trigger_pos & 0xff;
	322	ret = SR_OK;
	323	}
df92e5cf	324	break;
1953564a	325	case SR_CONF_RLE:
00b44ccb	326	ret = SR_OK;
df92e5cf	327	break;
df92e5cf	328	default:
bd6fbf62	329	ret = SR_ERR_NA;
00b44ccb	330	break;
df92e5cf	331	}
	332
	333	return ret;
	334	}
	335
8f996b89	336	static int config_list(int key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	337	const struct sr_channel_group *cg)
a1c743fc	338	{
a9ed6877 BV	339	GVariant *gvar;
a9ed6877 BV	340	GVariantBuilder gvb;
a1c743fc	341
53b4680f	342	(void)cg;
a1c743fc BV	343	(void)sdi;
	344
	345	switch (key) {
9a6517d1	346	case SR_CONF_DEVICE_OPTIONS:
584560f1	347	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b	348	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
9a6517d1	349	break;
a1c743fc	350	case SR_CONF_SAMPLERATE:
a9ed6877 BV	351	g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
	352	gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
	353	ARRAY_SIZE(samplerates), sizeof(uint64_t));
	354	g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
	355	*data = g_variant_builder_end(&gvb);
a1c743fc	356	break;
c50277a6	357	case SR_CONF_TRIGGER_TYPE:
a9ed6877	358	*data = g_variant_new_string(TRIGGER_TYPE);
c50277a6	359	break;
a1c743fc	360	default:
bd6fbf62	361	return SR_ERR_NA;
a1c743fc BV	362	}
	363
	364	return SR_OK;
	365	}
	366
695dc859	367	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
df92e5cf	368	{
df92e5cf	369	struct dev_context *devc;
df92e5cf	370	int ret = SR_ERR;
00b44ccb	371
df92e5cf	372	if (sdi->status != SR_ST_ACTIVE)
e73ffd42 BV	373	return SR_ERR_DEV_CLOSED;
	374
	375	devc = sdi->priv;
df92e5cf	376
ba7dd8bb UH	377	if (mso_configure_channels(sdi) != SR_OK) {
ba7dd8bb UH	378	sr_err("Failed to configure channels.");
5a24e89c	379	return SR_ERR;
5a24e89c	380	}
df92e5cf	381
df92e5cf	382	/* FIXME: No need to do full reconfigure every time */
00b44ccb UH	383	// ret = mso_reset_fsm(sdi);
	384	// if (ret != SR_OK)
	385	// return ret;
df92e5cf	386
	387	/* FIXME: ACDC Mode */
	388	devc->ctlbase1 &= 0x7f;
00b44ccb	389	// devc->ctlbase1 \|= devc->acdcmode;
df92e5cf	390
	391	ret = mso_configure_rate(sdi, devc->cur_rate);
	392	if (ret != SR_OK)
	393	return ret;
	394
	395	/* set dac offset */
	396	ret = mso_dac_out(sdi, devc->dac_offset);
	397	if (ret != SR_OK)
	398	return ret;
	399
	400	ret = mso_configure_threshold_level(sdi);
	401	if (ret != SR_OK)
	402	return ret;
	403
	404	ret = mso_configure_trigger(sdi);
	405	if (ret != SR_OK)
	406	return ret;
	407
df92e5cf	408	/* END of config hardware part */
00b44ccb UH	409	ret = mso_arm(sdi);
	410	if (ret != SR_OK)
	411	return ret;
df92e5cf	412
df92e5cf	413	/* Start acquisition on the device. */
4db2aaff	414	mso_check_trigger(devc->serial, &devc->trigger_state);
4db2aaff	415	ret = mso_check_trigger(devc->serial, NULL);
df92e5cf	416	if (ret != SR_OK)
	417	return ret;
	418
365f04d6	419	/* Reset trigger state. */
	420	devc->trigger_state = 0x00;
	421
695dc859	422	std_session_send_df_header(sdi, LOG_PREFIX);
df92e5cf	423
ba7dd8bb	424	/* Our first channel is analog, the other 8 are of type 'logic'. */
365f04d6	425	/* TODO. */
365f04d6	426
102f1239	427	serial_source_add(sdi->session, devc->serial, G_IO_IN, -1,
695dc859	428	mso_receive_data, sdi);
df92e5cf	429
	430	return SR_OK;
	431	}
	432
087a9161	433	/* This stops acquisition on ALL devices, ignoring dev_index. */
695dc859	434	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
df92e5cf	435	{
df92e5cf	436	stop_acquisition(sdi);
	437
	438	return SR_OK;
	439	}
	440
dd5c48a6	441	static struct sr_dev_driver link_mso19_driver_info = {
df92e5cf	442	.name = "link-mso19",
	443	.longname = "Link Instruments MSO-19",
	444	.api_version = 1,
c2fdcc25	445	.init = std_init,
700d6b64	446	.cleanup = std_cleanup,
6078d2c9	447	.scan = scan,
c01bf34c	448	.dev_list = std_dev_list,
eea49cf1	449	.dev_clear = dev_clear,
035a1078 BV	450	.config_get = config_get,
035a1078 BV	451	.config_set = config_set,
a1c743fc	452	.config_list = config_list,
6078d2c9	453	.dev_open = dev_open,
bf2c987f	454	.dev_close = std_serial_dev_close,
6078d2c9 UH	455	.dev_acquisition_start = dev_acquisition_start,
6078d2c9 UH	456	.dev_acquisition_stop = dev_acquisition_stop,
41812aca	457	.context = NULL,
df92e5cf	458	};
dd5c48a6	459	SR_REGISTER_DEV_DRIVER(link_mso19_driver_info);