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

/*
 * This file is part of the sigrok 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 "protocol.h"

static const int hwcaps[] = {
	SR_HWCAP_LOGIC_ANALYZER,
	SR_HWCAP_SAMPLERATE,
	SR_HWCAP_TRIGGER_SLOPE,
	SR_HWCAP_HORIZ_TRIGGERPOS,
//      SR_HWCAP_CAPTURE_RATIO,
	SR_HWCAP_LIMIT_SAMPLES,
//      SR_HWCAP_RLE,
	0,
};

/*
 * Probes are numbered 0 to 7.
 *
 * See also: http://www.linkinstruments.com/images/mso19_1113.gif
 */
SR_PRIV const char *mso19_probe_names[NUM_PROBES + 1] = {
	"0", "1", "2", "3", "4", "5", "6", "7", NULL
};

/*supported samplerates */
static const struct sr_samplerates samplerates = {
	SR_HZ(100),
	SR_MHZ(200),
	SR_HZ(100),
	NULL,
};

SR_PRIV struct sr_dev_driver link_mso19_driver_info;
static struct sr_dev_driver *di = &link_mso19_driver_info;

static int hw_init(struct sr_context *sr_ctx)
{
	struct drv_context *drvc;

	if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
		sr_err("Driver context malloc failed.");
		return SR_ERR_MALLOC;
	}

	drvc->sr_ctx = sr_ctx;
	di->priv = drvc;

	return SR_OK;
}

static GSList *hw_scan(GSList *options)
{
	int i;
	GSList *devices = NULL;
	const char *conn = NULL;
	const char *serialcomm = NULL;
	GSList *l;
	struct sr_hwopt *opt;
	struct udev *udev;

	(void)options;

	for (l = options; l; l = l->next) {
		opt = l->data;
		switch (opt->hwopt) {
		case SR_HWOPT_CONN:
			conn = opt->value;
			break;
		case SR_HWOPT_SERIALCOMM:
			serialcomm = opt->value;
			break;
		}
	}
	if (!conn)
		conn = SERIALCONN;
	if (serialcomm == NULL)
		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;
		if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
			sr_err("Device context malloc failed.");
			return devices;
		}

		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;
		}

		if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) {
			g_free(devc);
			return devices;
		}

		struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
						manufacturer, product, hwrev);

		if (!sdi) {
			sr_err("Unable to create device instance for %s",
			       sysname);
			sr_dev_inst_free(sdi);
			g_free(devc);
			return devices;
		}

		sdi->driver = di;
		sdi->priv = devc;

		for (i = 0; i < NUM_PROBES; i++) {
			struct sr_probe *probe;
			if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
						   mso19_probe_names[i])))
				return 0;
			sdi->probes = g_slist_append(sdi->probes, probe);
		}

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

	return devices;
}

static GSList *hw_dev_list(void)
{
	struct drv_context *drvc;

	drvc = di->priv;

	return drvc->instances;
}

static int hw_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 hw_dev_close(struct sr_dev_inst *sdi)
{
	struct dev_context *devc;

	devc = sdi->priv;

	if (devc->serial && devc->serial->fd != -1) {
		serial_close(devc->serial);
		sdi->status = SR_ST_INACTIVE;
	}

	return SR_OK;
}

static int hw_cleanup(void)
{
	GSList *l;
	struct sr_dev_inst *sdi;
	struct drv_context *drvc;
	struct dev_context *devc;
	int ret = SR_OK;

	if (!(drvc = di->priv))
		return 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;
		}
		hw_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 int hw_info_get(int info_id, const void **data,
		       const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;

	switch (info_id) {
	case SR_DI_HWCAPS:
		*data = hwcaps;
		break;
	case SR_DI_SAMPLERATES:
		*data = &samplerates;
		break;
	case SR_DI_TRIGGER_TYPES:
		*data = (char *)TRIGGER_TYPES;
		break;
	case SR_DI_CUR_SAMPLERATE:
		if (sdi) {
			devc = sdi->priv;
			*data = &devc->cur_rate;
		} else
			return SR_ERR;
		break;
	default:
		return SR_ERR_ARG;
	}

	return SR_OK;
}

static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
			     const void *value)
{
	int ret;
	struct dev_context *devc;
	uint64_t num_samples, slope;
	int trigger_pos;
	float pos;

	devc = sdi->priv;

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

	switch (hwcap) {
	case SR_HWCAP_SAMPLERATE:
		// FIXME
		return mso_configure_rate(sdi, *(const uint64_t *)value);
		ret = SR_OK;
		break;
	case SR_HWCAP_LIMIT_SAMPLES:
		num_samples = *(uint64_t *)value;
		if (num_samples < 1024) {
			sr_err("minimum of 1024 samples required");
			ret = SR_ERR_ARG;
		} else {
			devc->limit_samples = num_samples;
			sr_dbg("setting limit_samples to %i\n",
			       num_samples);
			ret = SR_OK;
		}
		break;
	case SR_HWCAP_CAPTURE_RATIO:
		ret = SR_OK;
		break;
	case SR_HWCAP_TRIGGER_SLOPE:
		slope = *(uint64_t *)value;
		if (slope != SLOPE_NEGATIVE && slope != SLOPE_POSITIVE) {
			sr_err("Invalid trigger slope");
			ret = SR_ERR_ARG;
		} else {
			devc->trigger_slope = slope;
			ret = SR_OK;
		}
		break;
	case SR_HWCAP_HORIZ_TRIGGERPOS:
		pos = *(float *)value;
		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_HWCAP_RLE:
		ret = SR_OK;
		break;
	default:
		ret = SR_ERR;
		break;
	}

	return ret;
}

static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
				    void *cb_data)
{
	struct sr_datafeed_packet *packet;
	struct sr_datafeed_header *header;
	struct sr_datafeed_meta_logic meta;
	struct dev_context *devc;
	int ret = SR_ERR;

	devc = sdi->priv;

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

	if (mso_configure_probes(sdi) != SR_OK) {
		sr_err("Failed to configure probes.");
		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;

	sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data);

	if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
		sr_err("Datafeed packet malloc failed.");
		return SR_ERR_MALLOC;
	}

	if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) {
		sr_err("Datafeed header malloc failed.");
		g_free(packet);
		return SR_ERR_MALLOC;
	}

	packet->type = SR_DF_HEADER;
	packet->payload = (unsigned char *)header;
	header->feed_version = 1;
	gettimeofday(&header->starttime, NULL);
	sr_session_send(cb_data, packet);

	packet->type = SR_DF_META_LOGIC;
	packet->payload = &meta;
	meta.samplerate = devc->cur_rate;
	meta.num_probes = NUM_PROBES;
	sr_session_send(cb_data, packet);

	g_free(header);
	g_free(packet);

	return SR_OK;
}

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

	stop_acquisition(sdi);

	return SR_OK;
}

SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
	.name = "link-mso19",
	.longname = "Link Instruments MSO-19",
	.api_version = 1,
	.init = hw_init,
	.cleanup = hw_cleanup,
	.scan = hw_scan,
	.dev_list = hw_dev_list,
	.dev_clear = hw_cleanup,
	.dev_open = hw_dev_open,
	.dev_close = hw_dev_close,
	.info_get = hw_info_get,
	.dev_config_set = hw_dev_config_set,
	.dev_acquisition_start = hw_dev_acquisition_start,
	.dev_acquisition_stop = hw_dev_acquisition_stop,
	.priv = NULL,
};
Commit	Line	Data
df92e5cf	1	/*
	2	* This file is part of the sigrok project.
	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
	22	#include "protocol.h"
	23
df92e5cf	24	static const int hwcaps[] = {
	25	SR_HWCAP_LOGIC_ANALYZER,
	26	SR_HWCAP_SAMPLERATE,
00b44ccb UH	27	SR_HWCAP_TRIGGER_SLOPE,
	28	SR_HWCAP_HORIZ_TRIGGERPOS,
	29	// SR_HWCAP_CAPTURE_RATIO,
df92e5cf	30	SR_HWCAP_LIMIT_SAMPLES,
00b44ccb	31	// SR_HWCAP_RLE,
df92e5cf	32	0,
	33	};
	34
	35	/*
	36	* Probes are numbered 0 to 7.
	37	*
	38	* See also: http://www.linkinstruments.com/images/mso19_1113.gif
	39	*/
	40	SR_PRIV const char *mso19_probe_names[NUM_PROBES + 1] = {
	41	"0", "1", "2", "3", "4", "5", "6", "7", NULL
	42	};
	43
	44	/supported samplerates /
	45	static const struct sr_samplerates samplerates = {
	46	SR_HZ(100),
df92e5cf	47	SR_MHZ(200),
5a24e89c	48	SR_HZ(100),
df92e5cf	49	NULL,
	50	};
	51
	52	SR_PRIV struct sr_dev_driver link_mso19_driver_info;
	53	static struct sr_dev_driver *di = &link_mso19_driver_info;
	54
	55	static int hw_init(struct sr_context *sr_ctx)
	56	{
df92e5cf	57	struct drv_context *drvc;
	58
	59	if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
	60	sr_err("Driver context malloc failed.");
	61	return SR_ERR_MALLOC;
	62	}
00b44ccb	63
df92e5cf	64	drvc->sr_ctx = sr_ctx;
	65	di->priv = drvc;
	66
	67	return SR_OK;
	68	}
	69
	70	static GSList hw_scan(GSList options)
	71	{
00b44ccb UH	72	int i;
	73	GSList *devices = NULL;
	74	const char *conn = NULL;
	75	const char *serialcomm = NULL;
	76	GSList *l;
	77	struct sr_hwopt *opt;
	78	struct udev *udev;
df92e5cf	79
df92e5cf	80	(void)options;
df92e5cf	81
df92e5cf	82	for (l = options; l; l = l->next) {
00b44ccb	83	opt = l->data;
df92e5cf	84	switch (opt->hwopt) {
	85	case SR_HWOPT_CONN:
	86	conn = opt->value;
	87	break;
	88	case SR_HWOPT_SERIALCOMM:
	89	serialcomm = opt->value;
	90	break;
	91	}
	92	}
	93	if (!conn)
00b44ccb	94	conn = SERIALCONN;
df92e5cf	95	if (serialcomm == NULL)
	96	serialcomm = SERIALCOMM;
	97
00b44ccb	98	udev = udev_new();
df92e5cf	99	if (!udev) {
	100	sr_err("Failed to initialize udev.");
	101	}
00b44ccb	102
df92e5cf	103	struct udev_enumerate *enumerate = udev_enumerate_new(udev);
	104	udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
	105	udev_enumerate_scan_devices(enumerate);
	106	struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
	107	struct udev_list_entry *dev_list_entry;
00b44ccb UH	108	for (dev_list_entry = devs;
	109	dev_list_entry != NULL;
	110	dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
df92e5cf	111	const char *syspath = udev_list_entry_get_name(dev_list_entry);
00b44ccb UH	112	struct udev_device *dev =
00b44ccb UH	113	udev_device_new_from_syspath(udev, syspath);
df92e5cf	114	const char *sysname = udev_device_get_sysname(dev);
00b44ccb UH	115	struct udev_device *parent =
	116	udev_device_get_parent_with_subsystem_devtype(dev, "usb",
	117	"usb_device");
df92e5cf	118
	119	if (!parent) {
	120	sr_err("Unable to find parent usb device for %s",
	121	sysname);
	122	continue;
	123	}
	124
00b44ccb UH	125	const char *idVendor =
	126	udev_device_get_sysattr_value(parent, "idVendor");
	127	const char *idProduct =
	128	udev_device_get_sysattr_value(parent, "idProduct");
df92e5cf	129	if (strcmp(USB_VENDOR, idVendor)
00b44ccb	130	\|\| strcmp(USB_PRODUCT, idProduct))
df92e5cf	131	continue;
df92e5cf	132
00b44ccb UH	133	const char *iSerial =
	134	udev_device_get_sysattr_value(parent, "serial");
	135	const char *iProduct =
	136	udev_device_get_sysattr_value(parent, "product");
df92e5cf	137
00b44ccb	138	char path[32];
df92e5cf	139	snprintf(path, sizeof(path), "/dev/%s", sysname);
00b44ccb	140	conn = path;
df92e5cf	141
df92e5cf	142	size_t s = strcspn(iProduct, " ");
00b44ccb UH	143	char product[32];
00b44ccb UH	144	char manufacturer[32];
df92e5cf	145	if (s > sizeof(product) \|\|
00b44ccb UH	146	strlen(iProduct) - s > sizeof(manufacturer)) {
00b44ccb UH	147	sr_err("Could not parse iProduct: %s.", iProduct);
df92e5cf	148	continue;
	149	}
	150	strncpy(product, iProduct, s);
	151	product[s] = 0;
4db2aaff	152	strcpy(manufacturer, iProduct + s + 1);
00b44ccb UH	153
	154	//Create the device context and set its params
	155	struct dev_context *devc;
	156	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	157	sr_err("Device context malloc failed.");
	158	return devices;
	159	}
	160
	161	if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
	162	sr_err("Invalid iSerial: %s.", iSerial);
	163	g_free(devc);
	164	return devices;
	165	}
	166
	167	char hwrev[32];
	168	sprintf(hwrev, "r%d", devc->hwrev);
	169	devc->ctlbase1 = 0;
	170	devc->protocol_trigger.spimode = 0;
	171	for (i = 0; i < 4; i++) {
	172	devc->protocol_trigger.word[i] = 0;
	173	devc->protocol_trigger.mask[i] = 0xff;
	174	}
	175
	176	if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) {
	177	g_free(devc);
	178	return devices;
	179	}
	180
	181	struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
	182	manufacturer, product, hwrev);
	183
	184	if (!sdi) {
	185	sr_err("Unable to create device instance for %s",
	186	sysname);
	187	sr_dev_inst_free(sdi);
	188	g_free(devc);
	189	return devices;
	190	}
	191
	192	sdi->driver = di;
	193	sdi->priv = devc;
	194
	195	for (i = 0; i < NUM_PROBES; i++) {
	196	struct sr_probe *probe;
	197	if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
	198	mso19_probe_names[i])))
	199	return 0;
	200	sdi->probes = g_slist_append(sdi->probes, probe);
	201	}
	202
	203	//Add the driver
	204	struct drv_context *drvc = di->priv;
	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
	212	static GSList *hw_dev_list(void)
	213	{
df92e5cf	214	struct drv_context *drvc;
	215
	216	drvc = di->priv;
	217
	218	return drvc->instances;
	219	}
	220
	221	static int hw_dev_open(struct sr_dev_inst *sdi)
	222	{
00b44ccb	223	int ret;
df92e5cf	224	struct dev_context *devc;
	225
	226	devc = sdi->priv;
	227
	228	if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
	229	return SR_ERR;
	230
	231	sdi->status = SR_ST_ACTIVE;
	232
	233	/* FIXME: discard serial buffer */
	234	mso_check_trigger(devc->serial, &devc->trigger_state);
	235	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	236
00b44ccb	237	ret = mso_reset_adc(sdi);
df92e5cf	238	if (ret != SR_OK)
	239	return ret;
	240
	241	mso_check_trigger(devc->serial, &devc->trigger_state);
	242	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	243
00b44ccb UH	244	// ret = mso_reset_fsm(sdi);
	245	// if (ret != SR_OK)
	246	// return ret;
	247	// return SR_ERR;
df92e5cf	248
	249	return SR_OK;
	250	}
	251
	252	static int hw_dev_close(struct sr_dev_inst *sdi)
	253	{
df92e5cf	254	struct dev_context *devc;
	255
	256	devc = sdi->priv;
	257
	258	if (devc->serial && devc->serial->fd != -1) {
	259	serial_close(devc->serial);
	260	sdi->status = SR_ST_INACTIVE;
	261	}
	262
	263	return SR_OK;
	264	}
	265
	266	static int hw_cleanup(void)
	267	{
df92e5cf	268	GSList *l;
	269	struct sr_dev_inst *sdi;
	270	struct drv_context *drvc;
	271	struct dev_context *devc;
	272	int ret = SR_OK;
	273
	274	if (!(drvc = di->priv))
	275	return SR_OK;
	276
	277	/* Properly close and free all devices. */
	278	for (l = drvc->instances; l; l = l->next) {
	279	if (!(sdi = l->data)) {
	280	/* Log error, but continue cleaning up the rest. */
	281	sr_err("%s: sdi was NULL, continuing", __func__);
	282	ret = SR_ERR_BUG;
	283	continue;
	284	}
	285	if (!(devc = sdi->priv)) {
	286	/* Log error, but continue cleaning up the rest. */
	287	sr_err("%s: sdi->priv was NULL, continuing", __func__);
	288	ret = SR_ERR_BUG;
	289	continue;
	290	}
	291	hw_dev_close(sdi);
	292	sr_serial_dev_inst_free(devc->serial);
	293	sr_dev_inst_free(sdi);
	294	}
	295	g_slist_free(drvc->instances);
	296	drvc->instances = NULL;
	297
	298	return ret;
	299	}
	300
	301	static int hw_info_get(int info_id, const void **data,
00b44ccb	302	const struct sr_dev_inst *sdi)
df92e5cf	303	{
	304	struct dev_context *devc;
	305
df92e5cf	306	switch (info_id) {
	307	case SR_DI_HWCAPS:
	308	*data = hwcaps;
	309	break;
df92e5cf	310	case SR_DI_SAMPLERATES:
	311	*data = &samplerates;
	312	break;
	313	case SR_DI_TRIGGER_TYPES:
	314	data = (char )TRIGGER_TYPES;
	315	break;
	316	case SR_DI_CUR_SAMPLERATE:
	317	if (sdi) {
	318	devc = sdi->priv;
	319	*data = &devc->cur_rate;
	320	} else
	321	return SR_ERR;
	322	break;
	323	default:
	324	return SR_ERR_ARG;
	325	}
	326
	327	return SR_OK;
	328	}
	329
	330	static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
00b44ccb	331	const void *value)
df92e5cf	332	{
df92e5cf	333	int ret;
087a9161	334	struct dev_context *devc;
00b44ccb UH	335	uint64_t num_samples, slope;
	336	int trigger_pos;
	337	float pos;
	338
	339	devc = sdi->priv;
087a9161	340
df92e5cf	341	if (sdi->status != SR_ST_ACTIVE)
	342	return SR_ERR;
	343
	344	switch (hwcap) {
	345	case SR_HWCAP_SAMPLERATE:
00b44ccb UH	346	// FIXME
00b44ccb UH	347	return mso_configure_rate(sdi, (const uint64_t )value);
df92e5cf	348	ret = SR_OK;
	349	break;
	350	case SR_HWCAP_LIMIT_SAMPLES:
00b44ccb UH	351	num_samples = (uint64_t )value;
	352	if (num_samples < 1024) {
	353	sr_err("minimum of 1024 samples required");
	354	ret = SR_ERR_ARG;
	355	} else {
	356	devc->limit_samples = num_samples;
	357	sr_dbg("setting limit_samples to %i\n",
	358	num_samples);
	359	ret = SR_OK;
	360	}
df92e5cf	361	break;
00b44ccb UH	362	case SR_HWCAP_CAPTURE_RATIO:
	363	ret = SR_OK;
	364	break;
	365	case SR_HWCAP_TRIGGER_SLOPE:
	366	slope = (uint64_t )value;
	367	if (slope != SLOPE_NEGATIVE && slope != SLOPE_POSITIVE) {
	368	sr_err("Invalid trigger slope");
	369	ret = SR_ERR_ARG;
	370	} else {
	371	devc->trigger_slope = slope;
	372	ret = SR_OK;
	373	}
	374	break;
	375	case SR_HWCAP_HORIZ_TRIGGERPOS:
	376	pos = (float )value;
	377	if (pos < 0 \|\| pos > 255) {
	378	sr_err("Trigger position (%f) should be between 0 and 255.", pos);
	379	ret = SR_ERR_ARG;
	380	} else {
	381	trigger_pos = (int)pos;
	382	devc->trigger_holdoff[0] = trigger_pos & 0xff;
	383	ret = SR_OK;
	384	}
df92e5cf	385	break;
df92e5cf	386	case SR_HWCAP_RLE:
00b44ccb	387	ret = SR_OK;
df92e5cf	388	break;
	389	default:
	390	ret = SR_ERR;
00b44ccb	391	break;
df92e5cf	392	}
	393
	394	return ret;
	395	}
	396
	397	static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
00b44ccb	398	void *cb_data)
df92e5cf	399	{
	400	struct sr_datafeed_packet *packet;
	401	struct sr_datafeed_header *header;
	402	struct sr_datafeed_meta_logic meta;
	403	struct dev_context *devc;
df92e5cf	404	int ret = SR_ERR;
00b44ccb	405
df92e5cf	406	devc = sdi->priv;
	407
	408	if (sdi->status != SR_ST_ACTIVE)
	409	return SR_ERR;
	410
5a24e89c	411	if (mso_configure_probes(sdi) != SR_OK) {
	412	sr_err("Failed to configure probes.");
	413	return SR_ERR;
	414	}
df92e5cf	415
df92e5cf	416	/* FIXME: No need to do full reconfigure every time */
00b44ccb UH	417	// ret = mso_reset_fsm(sdi);
	418	// if (ret != SR_OK)
	419	// return ret;
df92e5cf	420
	421	/* FIXME: ACDC Mode */
	422	devc->ctlbase1 &= 0x7f;
00b44ccb	423	// devc->ctlbase1 \|= devc->acdcmode;
df92e5cf	424
	425	ret = mso_configure_rate(sdi, devc->cur_rate);
	426	if (ret != SR_OK)
	427	return ret;
	428
	429	/* set dac offset */
	430	ret = mso_dac_out(sdi, devc->dac_offset);
	431	if (ret != SR_OK)
	432	return ret;
	433
	434	ret = mso_configure_threshold_level(sdi);
	435	if (ret != SR_OK)
	436	return ret;
	437
	438	ret = mso_configure_trigger(sdi);
	439	if (ret != SR_OK)
	440	return ret;
	441
df92e5cf	442	/* END of config hardware part */
00b44ccb UH	443	ret = mso_arm(sdi);
	444	if (ret != SR_OK)
	445	return ret;
df92e5cf	446
df92e5cf	447	/* Start acquisition on the device. */
4db2aaff	448	mso_check_trigger(devc->serial, &devc->trigger_state);
4db2aaff	449	ret = mso_check_trigger(devc->serial, NULL);
df92e5cf	450	if (ret != SR_OK)
	451	return ret;
	452
00b44ccb	453	sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data);
df92e5cf	454
	455	if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
	456	sr_err("Datafeed packet malloc failed.");
	457	return SR_ERR_MALLOC;
	458	}
	459
	460	if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) {
	461	sr_err("Datafeed header malloc failed.");
	462	g_free(packet);
	463	return SR_ERR_MALLOC;
	464	}
	465
	466	packet->type = SR_DF_HEADER;
	467	packet->payload = (unsigned char *)header;
	468	header->feed_version = 1;
	469	gettimeofday(&header->starttime, NULL);
	470	sr_session_send(cb_data, packet);
	471
	472	packet->type = SR_DF_META_LOGIC;
	473	packet->payload = &meta;
	474	meta.samplerate = devc->cur_rate;
	475	meta.num_probes = NUM_PROBES;
	476	sr_session_send(cb_data, packet);
00b44ccb	477
df92e5cf	478	g_free(header);
	479	g_free(packet);
	480
	481	return SR_OK;
	482	}
	483
087a9161	484	/* This stops acquisition on ALL devices, ignoring dev_index. */
df92e5cf	485	static int hw_dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
df92e5cf	486	{
df92e5cf	487	(void)cb_data;
	488
	489	stop_acquisition(sdi);
	490
	491	return SR_OK;
	492	}
	493
	494	SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
	495	.name = "link-mso19",
	496	.longname = "Link Instruments MSO-19",
	497	.api_version = 1,
	498	.init = hw_init,
	499	.cleanup = hw_cleanup,
	500	.scan = hw_scan,
	501	.dev_list = hw_dev_list,
	502	.dev_clear = hw_cleanup,
	503	.dev_open = hw_dev_open,
	504	.dev_close = hw_dev_close,
	505	.info_get = hw_info_get,
	506	.dev_config_set = hw_dev_config_set,
	507	.dev_acquisition_start = hw_dev_acquisition_start,
	508	.dev_acquisition_stop = hw_dev_acquisition_stop,
	509	.priv = NULL,
	510	};