[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_CONF_LOGIC_ANALYZER,
	SR_CONF_SAMPLERATE,
	SR_CONF_TRIGGER_SLOPE,
	SR_CONF_HORIZ_TRIGGERPOS,
//      SR_CONF_CAPTURE_RATIO,
	SR_CONF_LIMIT_SAMPLES,
//      SR_CONF_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)
{
	return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
}

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

	(void)options;

	for (l = options; l; l = l->next) {
		src = l->data;
		switch (src->key) {
		case SR_CONF_CONN:
			conn = src->value;
			break;
		case SR_CONF_SERIALCOMM:
			serialcomm = src->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 config_get(int id, const void **data, const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;

	switch (id) {
	case SR_CONF_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 config_set(int id, const void *value, const struct sr_dev_inst *sdi)
{
	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 (id) {
	case SR_CONF_SAMPLERATE:
		// FIXME
		return mso_configure_rate(sdi, *(const uint64_t *)value);
		ret = SR_OK;
		break;
	case SR_CONF_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_CONF_CAPTURE_RATIO:
		ret = SR_OK;
		break;
	case SR_CONF_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_CONF_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_CONF_RLE:
		ret = SR_OK;
		break;
	default:
		ret = SR_ERR;
		break;
	}

	return ret;
}

static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
{

	(void)sdi;

	switch (key) {
	case SR_CONF_DEVICE_OPTIONS:
		*data = hwcaps;
		break;
	case SR_CONF_SAMPLERATE:
		*data = &samplerates;
		break;
	case SR_CONF_TRIGGER_TYPE:
		*data = (char *)TRIGGER_TYPE;
		break;
	default:
		return SR_ERR_ARG;
	}

	return SR_OK;
}

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 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);

	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,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = hw_dev_open,
	.dev_close = hw_dev_close,
	.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[] = {
1953564a BV	25	SR_CONF_LOGIC_ANALYZER,
	26	SR_CONF_SAMPLERATE,
	27	SR_CONF_TRIGGER_SLOPE,
	28	SR_CONF_HORIZ_TRIGGERPOS,
	29	// SR_CONF_CAPTURE_RATIO,
	30	SR_CONF_LIMIT_SAMPLES,
	31	// SR_CONF_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	{
063e7aef	57	return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
df92e5cf	58	}
	59
	60	static GSList hw_scan(GSList options)
	61	{
00b44ccb UH	62	int i;
	63	GSList *devices = NULL;
	64	const char *conn = NULL;
	65	const char *serialcomm = NULL;
	66	GSList *l;
1987b8d6	67	struct sr_config *src;
00b44ccb	68	struct udev *udev;
df92e5cf	69
df92e5cf	70	(void)options;
df92e5cf	71
df92e5cf	72	for (l = options; l; l = l->next) {
1987b8d6 BV	73	src = l->data;
1987b8d6 BV	74	switch (src->key) {
1953564a	75	case SR_CONF_CONN:
1987b8d6	76	conn = src->value;
df92e5cf	77	break;
1953564a	78	case SR_CONF_SERIALCOMM:
1987b8d6	79	serialcomm = src->value;
df92e5cf	80	break;
	81	}
	82	}
	83	if (!conn)
00b44ccb	84	conn = SERIALCONN;
df92e5cf	85	if (serialcomm == NULL)
	86	serialcomm = SERIALCOMM;
	87
00b44ccb	88	udev = udev_new();
df92e5cf	89	if (!udev) {
	90	sr_err("Failed to initialize udev.");
	91	}
00b44ccb	92
df92e5cf	93	struct udev_enumerate *enumerate = udev_enumerate_new(udev);
	94	udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
	95	udev_enumerate_scan_devices(enumerate);
	96	struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
	97	struct udev_list_entry *dev_list_entry;
00b44ccb UH	98	for (dev_list_entry = devs;
	99	dev_list_entry != NULL;
	100	dev_list_entry = udev_list_entry_get_next(dev_list_entry)) {
df92e5cf	101	const char *syspath = udev_list_entry_get_name(dev_list_entry);
00b44ccb UH	102	struct udev_device *dev =
00b44ccb UH	103	udev_device_new_from_syspath(udev, syspath);
df92e5cf	104	const char *sysname = udev_device_get_sysname(dev);
00b44ccb UH	105	struct udev_device *parent =
	106	udev_device_get_parent_with_subsystem_devtype(dev, "usb",
	107	"usb_device");
df92e5cf	108
	109	if (!parent) {
	110	sr_err("Unable to find parent usb device for %s",
	111	sysname);
	112	continue;
	113	}
	114
00b44ccb UH	115	const char *idVendor =
	116	udev_device_get_sysattr_value(parent, "idVendor");
	117	const char *idProduct =
	118	udev_device_get_sysattr_value(parent, "idProduct");
df92e5cf	119	if (strcmp(USB_VENDOR, idVendor)
00b44ccb	120	\|\| strcmp(USB_PRODUCT, idProduct))
df92e5cf	121	continue;
df92e5cf	122
00b44ccb UH	123	const char *iSerial =
	124	udev_device_get_sysattr_value(parent, "serial");
	125	const char *iProduct =
	126	udev_device_get_sysattr_value(parent, "product");
df92e5cf	127
00b44ccb	128	char path[32];
df92e5cf	129	snprintf(path, sizeof(path), "/dev/%s", sysname);
00b44ccb	130	conn = path;
df92e5cf	131
df92e5cf	132	size_t s = strcspn(iProduct, " ");
00b44ccb UH	133	char product[32];
00b44ccb UH	134	char manufacturer[32];
df92e5cf	135	if (s > sizeof(product) \|\|
00b44ccb UH	136	strlen(iProduct) - s > sizeof(manufacturer)) {
00b44ccb UH	137	sr_err("Could not parse iProduct: %s.", iProduct);
df92e5cf	138	continue;
	139	}
	140	strncpy(product, iProduct, s);
	141	product[s] = 0;
4db2aaff	142	strcpy(manufacturer, iProduct + s + 1);
00b44ccb UH	143
	144	//Create the device context and set its params
	145	struct dev_context *devc;
	146	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	147	sr_err("Device context malloc failed.");
	148	return devices;
	149	}
	150
	151	if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
	152	sr_err("Invalid iSerial: %s.", iSerial);
	153	g_free(devc);
	154	return devices;
	155	}
	156
	157	char hwrev[32];
	158	sprintf(hwrev, "r%d", devc->hwrev);
	159	devc->ctlbase1 = 0;
	160	devc->protocol_trigger.spimode = 0;
	161	for (i = 0; i < 4; i++) {
	162	devc->protocol_trigger.word[i] = 0;
	163	devc->protocol_trigger.mask[i] = 0xff;
	164	}
	165
	166	if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) {
	167	g_free(devc);
	168	return devices;
	169	}
	170
	171	struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
	172	manufacturer, product, hwrev);
	173
	174	if (!sdi) {
	175	sr_err("Unable to create device instance for %s",
	176	sysname);
	177	sr_dev_inst_free(sdi);
	178	g_free(devc);
	179	return devices;
	180	}
	181
	182	sdi->driver = di;
	183	sdi->priv = devc;
	184
	185	for (i = 0; i < NUM_PROBES; i++) {
	186	struct sr_probe *probe;
	187	if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
	188	mso19_probe_names[i])))
	189	return 0;
	190	sdi->probes = g_slist_append(sdi->probes, probe);
	191	}
	192
	193	//Add the driver
	194	struct drv_context *drvc = di->priv;
	195	drvc->instances = g_slist_append(drvc->instances, sdi);
	196	devices = g_slist_append(devices, sdi);
	197	}
5a24e89c	198
df92e5cf	199	return devices;
	200	}
	201
	202	static GSList *hw_dev_list(void)
	203	{
df92e5cf	204	struct drv_context *drvc;
	205
	206	drvc = di->priv;
	207
	208	return drvc->instances;
	209	}
	210
	211	static int hw_dev_open(struct sr_dev_inst *sdi)
	212	{
00b44ccb	213	int ret;
df92e5cf	214	struct dev_context *devc;
	215
	216	devc = sdi->priv;
	217
	218	if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
	219	return SR_ERR;
	220
	221	sdi->status = SR_ST_ACTIVE;
	222
	223	/* FIXME: discard serial buffer */
	224	mso_check_trigger(devc->serial, &devc->trigger_state);
	225	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	226
00b44ccb	227	ret = mso_reset_adc(sdi);
df92e5cf	228	if (ret != SR_OK)
	229	return ret;
	230
	231	mso_check_trigger(devc->serial, &devc->trigger_state);
	232	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	233
00b44ccb UH	234	// ret = mso_reset_fsm(sdi);
	235	// if (ret != SR_OK)
	236	// return ret;
	237	// return SR_ERR;
df92e5cf	238
	239	return SR_OK;
	240	}
	241
	242	static int hw_dev_close(struct sr_dev_inst *sdi)
	243	{
df92e5cf	244	struct dev_context *devc;
	245
	246	devc = sdi->priv;
	247
	248	if (devc->serial && devc->serial->fd != -1) {
	249	serial_close(devc->serial);
	250	sdi->status = SR_ST_INACTIVE;
	251	}
	252
	253	return SR_OK;
	254	}
	255
	256	static int hw_cleanup(void)
	257	{
df92e5cf	258	GSList *l;
	259	struct sr_dev_inst *sdi;
	260	struct drv_context *drvc;
	261	struct dev_context *devc;
	262	int ret = SR_OK;
	263
	264	if (!(drvc = di->priv))
	265	return SR_OK;
	266
	267	/* Properly close and free all devices. */
	268	for (l = drvc->instances; l; l = l->next) {
	269	if (!(sdi = l->data)) {
	270	/* Log error, but continue cleaning up the rest. */
	271	sr_err("%s: sdi was NULL, continuing", __func__);
	272	ret = SR_ERR_BUG;
	273	continue;
	274	}
	275	if (!(devc = sdi->priv)) {
	276	/* Log error, but continue cleaning up the rest. */
	277	sr_err("%s: sdi->priv was NULL, continuing", __func__);
	278	ret = SR_ERR_BUG;
	279	continue;
	280	}
	281	hw_dev_close(sdi);
	282	sr_serial_dev_inst_free(devc->serial);
	283	sr_dev_inst_free(sdi);
	284	}
	285	g_slist_free(drvc->instances);
	286	drvc->instances = NULL;
	287
	288	return ret;
	289	}
	290
035a1078	291	static int config_get(int id, const void *data, const struct sr_dev_inst sdi)
df92e5cf	292	{
	293	struct dev_context *devc;
	294
035a1078	295	switch (id) {
123e1313	296	case SR_CONF_SAMPLERATE:
df92e5cf	297	if (sdi) {
	298	devc = sdi->priv;
	299	*data = &devc->cur_rate;
	300	} else
	301	return SR_ERR;
	302	break;
	303	default:
	304	return SR_ERR_ARG;
	305	}
	306
	307	return SR_OK;
	308	}
	309
035a1078	310	static int config_set(int id, const void value, const struct sr_dev_inst sdi)
df92e5cf	311	{
df92e5cf	312	int ret;
087a9161	313	struct dev_context *devc;
00b44ccb UH	314	uint64_t num_samples, slope;
	315	int trigger_pos;
	316	float pos;
	317
	318	devc = sdi->priv;
087a9161	319
df92e5cf	320	if (sdi->status != SR_ST_ACTIVE)
	321	return SR_ERR;
	322
035a1078	323	switch (id) {
1953564a	324	case SR_CONF_SAMPLERATE:
00b44ccb UH	325	// FIXME
00b44ccb UH	326	return mso_configure_rate(sdi, (const uint64_t )value);
df92e5cf	327	ret = SR_OK;
df92e5cf	328	break;
1953564a	329	case SR_CONF_LIMIT_SAMPLES:
00b44ccb UH	330	num_samples = (uint64_t )value;
	331	if (num_samples < 1024) {
	332	sr_err("minimum of 1024 samples required");
	333	ret = SR_ERR_ARG;
	334	} else {
	335	devc->limit_samples = num_samples;
	336	sr_dbg("setting limit_samples to %i\n",
	337	num_samples);
	338	ret = SR_OK;
	339	}
df92e5cf	340	break;
1953564a	341	case SR_CONF_CAPTURE_RATIO:
00b44ccb UH	342	ret = SR_OK;
00b44ccb UH	343	break;
1953564a	344	case SR_CONF_TRIGGER_SLOPE:
00b44ccb UH	345	slope = (uint64_t )value;
	346	if (slope != SLOPE_NEGATIVE && slope != SLOPE_POSITIVE) {
	347	sr_err("Invalid trigger slope");
	348	ret = SR_ERR_ARG;
	349	} else {
	350	devc->trigger_slope = slope;
	351	ret = SR_OK;
	352	}
	353	break;
1953564a	354	case SR_CONF_HORIZ_TRIGGERPOS:
00b44ccb UH	355	pos = (float )value;
	356	if (pos < 0 \|\| pos > 255) {
	357	sr_err("Trigger position (%f) should be between 0 and 255.", pos);
	358	ret = SR_ERR_ARG;
	359	} else {
	360	trigger_pos = (int)pos;
	361	devc->trigger_holdoff[0] = trigger_pos & 0xff;
	362	ret = SR_OK;
	363	}
df92e5cf	364	break;
1953564a	365	case SR_CONF_RLE:
00b44ccb	366	ret = SR_OK;
df92e5cf	367	break;
	368	default:
	369	ret = SR_ERR;
00b44ccb	370	break;
df92e5cf	371	}
	372
	373	return ret;
	374	}
	375
a1c743fc BV	376	static int config_list(int key, const void *data, const struct sr_dev_inst sdi)
	377	{
	378
	379	(void)sdi;
	380
	381	switch (key) {
9a6517d1 BV	382	case SR_CONF_DEVICE_OPTIONS:
	383	*data = hwcaps;
	384	break;
a1c743fc BV	385	case SR_CONF_SAMPLERATE:
	386	*data = &samplerates;
	387	break;
c50277a6 BV	388	case SR_CONF_TRIGGER_TYPE:
	389	data = (char )TRIGGER_TYPE;
	390	break;
a1c743fc BV	391	default:
	392	return SR_ERR_ARG;
	393	}
	394
	395	return SR_OK;
	396	}
	397
df92e5cf	398	static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
00b44ccb	399	void *cb_data)
df92e5cf	400	{
	401	struct sr_datafeed_packet *packet;
	402	struct sr_datafeed_header *header;
df92e5cf	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
df92e5cf	472	g_free(header);
	473	g_free(packet);
	474
	475	return SR_OK;
	476	}
	477
087a9161	478	/* This stops acquisition on ALL devices, ignoring dev_index. */
df92e5cf	479	static int hw_dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
df92e5cf	480	{
df92e5cf	481	(void)cb_data;
	482
	483	stop_acquisition(sdi);
	484
	485	return SR_OK;
	486	}
	487
	488	SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
	489	.name = "link-mso19",
	490	.longname = "Link Instruments MSO-19",
	491	.api_version = 1,
	492	.init = hw_init,
	493	.cleanup = hw_cleanup,
	494	.scan = hw_scan,
	495	.dev_list = hw_dev_list,
	496	.dev_clear = hw_cleanup,
035a1078 BV	497	.config_get = config_get,
035a1078 BV	498	.config_set = config_set,
a1c743fc	499	.config_list = config_list,
df92e5cf	500	.dev_open = hw_dev_open,
df92e5cf	501	.dev_close = hw_dev_close,
df92e5cf	502	.dev_acquisition_start = hw_dev_acquisition_start,
	503	.dev_acquisition_stop = hw_dev_acquisition_stop,
	504	.priv = NULL,
	505	};