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

/*
 * This file is part of the sigrok project.
 *
 * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.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_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;

	(void)options;
	GSList *devices = NULL;

	const char* conn = NULL;
  const char* serialcomm = NULL;
  GSList *l;
	for (l = options; l; l = l->next) {
		struct sr_hwopt* 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;

	struct udev *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)
{
	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);

	int 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)
{
  printf("dev close\n");
	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_NUM_PROBES:
		*data = GINT_TO_POINTER(1);
		break;
	case SR_DI_PROBE_NAMES:
		*data = mso19_probe_names;
		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;

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

	switch (hwcap) {
	case SR_HWCAP_SAMPLERATE:
		return mso_configure_rate(sdi, *(const uint64_t *) value);
		ret = SR_OK;
		break;
	case SR_HWCAP_LIMIT_SAMPLES:
		ret = SR_OK;
		break;
  case SR_HWCAP_CAPTURE_RATIO:
    ret = SR_OK;
		break;
	case SR_HWCAP_RLE:
    ret = SR_OK;
		break;
	default:
		ret = SR_ERR;
	}

	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;
  
  
  printf("Accquistion start\n");
	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;
	}

	/*
	 * Enable/disable channel groups in the flag register according to the
	 * probe mask. Calculate this here, because num_channels is needed
	 * to limit readcount.
	 */
	//changrp_mask = 0;
	//num_channels = 0;
	//for (i = 0; i < 4; i++) {
	//	if (devc->probe_mask & (0xff << (i * 8))) {
	//		changrp_mask |= (1 << i);
	//		num_channels++;
	//	}
	//}

	/* 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;

  printf("Configure rate\n");
	ret = mso_configure_rate(sdi, devc->cur_rate);
	if (ret != SR_OK)
		return ret;

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

  printf("Configure threshold level\n");
	ret = mso_configure_threshold_level(sdi);
	if (ret != SR_OK)
		return ret;

  printf("Configure trigger\n");
	ret = mso_configure_trigger(sdi);
	if (ret != SR_OK)
		return ret;

	/* FIXME: trigger_position */


	/* END of config hardware part */

	/* with trigger */
  printf("arm\n");
	ret = mso_arm(sdi);
	if (ret != SR_OK)
		return ret;

	/* without trigger */
//	ret = mso_force_capture(sdi);
//	if (ret != SR_OK)
//		return ret;

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

  printf("Source add\n");
  sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data);

  printf("Create packet\n");
	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;
}

/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
	/* Avoid compiler warnings. */
	(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	*
	4	* Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
	5	*
	6	* This program is free software: you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation, either version 3 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#include "protocol.h"
	21
df92e5cf	22	static const int hwcaps[] = {
	23	SR_HWCAP_LOGIC_ANALYZER,
	24	SR_HWCAP_SAMPLERATE,
	25	// SR_HWCAP_CAPTURE_RATIO,
	26	SR_HWCAP_LIMIT_SAMPLES,
	27	// SR_HWCAP_RLE,
	28	0,
	29	};
	30
	31	/*
	32	* Probes are numbered 0 to 7.
	33	*
	34	* See also: http://www.linkinstruments.com/images/mso19_1113.gif
	35	*/
	36	SR_PRIV const char *mso19_probe_names[NUM_PROBES + 1] = {
	37	"0", "1", "2", "3", "4", "5", "6", "7", NULL
	38	};
	39
	40	/supported samplerates /
	41	static const struct sr_samplerates samplerates = {
	42	SR_HZ(100),
df92e5cf	43	SR_MHZ(200),
5a24e89c	44	SR_HZ(100),
df92e5cf	45	NULL,
	46	};
	47
	48	SR_PRIV struct sr_dev_driver link_mso19_driver_info;
	49	static struct sr_dev_driver *di = &link_mso19_driver_info;
	50
	51	static int hw_init(struct sr_context *sr_ctx)
	52	{
df92e5cf	53	struct drv_context *drvc;
	54
	55	if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
	56	sr_err("Driver context malloc failed.");
	57	return SR_ERR_MALLOC;
	58	}
	59	drvc->sr_ctx = sr_ctx;
	60	di->priv = drvc;
	61
	62	return SR_OK;
	63	}
	64
	65	static GSList hw_scan(GSList options)
	66	{
df92e5cf	67	int i;
	68
	69	(void)options;
	70	GSList *devices = NULL;
df92e5cf	71
	72	const char* conn = NULL;
	73	const char* serialcomm = NULL;
	74	GSList *l;
	75	for (l = options; l; l = l->next) {
	76	struct sr_hwopt* opt = l->data;
	77	switch (opt->hwopt) {
	78	case SR_HWOPT_CONN:
	79	conn = opt->value;
	80	break;
	81	case SR_HWOPT_SERIALCOMM:
	82	serialcomm = opt->value;
	83	break;
	84	}
	85	}
	86	if (!conn)
	87	conn = SERIALCONN;
	88	if (serialcomm == NULL)
	89	serialcomm = SERIALCOMM;
	90
	91	struct udev *udev = udev_new();
	92	if (!udev) {
	93	sr_err("Failed to initialize udev.");
	94	}
	95	struct udev_enumerate *enumerate = udev_enumerate_new(udev);
	96	udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
	97	udev_enumerate_scan_devices(enumerate);
	98	struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
	99	struct udev_list_entry *dev_list_entry;
	100	for (dev_list_entry = devs;
	101	dev_list_entry != NULL;
	102	dev_list_entry = udev_list_entry_get_next(dev_list_entry))
	103	{
	104	const char *syspath = udev_list_entry_get_name(dev_list_entry);
	105	struct udev_device *dev = udev_device_new_from_syspath(udev, syspath);
	106	const char *sysname = udev_device_get_sysname(dev);
	107	struct udev_device *parent = udev_device_get_parent_with_subsystem_devtype(
	108	dev, "usb", "usb_device");
	109
	110	if (!parent) {
	111	sr_err("Unable to find parent usb device for %s",
	112	sysname);
	113	continue;
	114	}
	115
	116	const char *idVendor = udev_device_get_sysattr_value(parent, "idVendor");
	117	const char *idProduct = udev_device_get_sysattr_value(parent, "idProduct");
	118	if (strcmp(USB_VENDOR, idVendor)
	119	\|\| strcmp(USB_PRODUCT, idProduct))
	120	continue;
	121
	122	const char* iSerial = udev_device_get_sysattr_value(parent, "serial");
	123	const char* iProduct = udev_device_get_sysattr_value(parent, "product");
	124
	125	char path[32];
	126	snprintf(path, sizeof(path), "/dev/%s", sysname);
5a24e89c	127	conn = path;
df92e5cf	128
	129	size_t s = strcspn(iProduct, " ");
	130	char product[32];
	131	char manufacturer[32];
	132	if (s > sizeof(product) \|\|
	133	strlen(iProduct) - s > sizeof(manufacturer)) {
	134	sr_err("Could not parse iProduct: %s.", iProduct);
	135	continue;
	136	}
	137	strncpy(product, iProduct, s);
	138	product[s] = 0;
4db2aaff	139	strcpy(manufacturer, iProduct + s + 1);
df92e5cf	140
	141	//Create the device context and set its params
	142	struct dev_context *devc;
	143	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	144	sr_err("Device context malloc failed.");
	145	return devices;
	146	}
	147
	148	if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
	149	sr_err("Invalid iSerial: %s.", iSerial);
	150	g_free(devc);
	151	return devices;
	152	}
	153
	154	char hwrev[32];
	155	sprintf(hwrev, "r%d", devc->hwrev);
	156	devc->ctlbase1 = 0;
	157	devc->protocol_trigger.spimode = 0;
	158	for (i = 0; i < 4; i++) {
	159	devc->protocol_trigger.word[i] = 0;
	160	devc->protocol_trigger.mask[i] = 0xff;
	161	}
	162
	163	if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm)))
	164	{
	165	g_free(devc);
	166	return devices;
	167	}
	168
	169	struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
	170	manufacturer, product, hwrev);
	171
	172	if (!sdi) {
	173	sr_err("Unable to create device instance for %s",
	174	sysname);
	175	sr_dev_inst_free(sdi);
	176	g_free(devc);
	177	return devices;
	178	}
	179
df92e5cf	180	sdi->driver = di;
df92e5cf	181	sdi->priv = devc;
4db2aaff	182
	183	for (i = 0; i < NUM_PROBES; i++) {
	184	struct sr_probe *probe;
	185	if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
	186	mso19_probe_names[i])))
	187	return 0;
	188	sdi->probes = g_slist_append(sdi->probes, probe);
	189	}
	190
df92e5cf	191	//Add the driver
	192	struct drv_context *drvc = di->priv;
	193	drvc->instances = g_slist_append(drvc->instances, sdi);
	194	devices = g_slist_append(devices, sdi);
	195	}
5a24e89c	196
df92e5cf	197	return devices;
	198	}
	199
	200	static GSList *hw_dev_list(void)
	201	{
df92e5cf	202	struct drv_context *drvc;
	203
	204	drvc = di->priv;
	205
	206	return drvc->instances;
	207	}
	208
	209	static int hw_dev_open(struct sr_dev_inst *sdi)
	210	{
df92e5cf	211	struct dev_context *devc;
	212
	213	devc = sdi->priv;
	214
	215	if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
	216	return SR_ERR;
	217
	218	sdi->status = SR_ST_ACTIVE;
	219
	220	/* FIXME: discard serial buffer */
	221	mso_check_trigger(devc->serial, &devc->trigger_state);
	222	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	223
	224	int ret = mso_reset_adc(sdi);
	225	if (ret != SR_OK)
	226	return ret;
	227
	228	mso_check_trigger(devc->serial, &devc->trigger_state);
	229	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	230
	231	// ret = mso_reset_fsm(sdi);
	232	// if (ret != SR_OK)
	233	// return ret;
	234	// return SR_ERR;
	235
	236	return SR_OK;
	237	}
	238
	239	static int hw_dev_close(struct sr_dev_inst *sdi)
	240	{
	241	printf("dev close\n");
	242	struct dev_context *devc;
	243
	244	devc = sdi->priv;
	245
	246	if (devc->serial && devc->serial->fd != -1) {
	247	serial_close(devc->serial);
	248	sdi->status = SR_ST_INACTIVE;
	249	}
	250
	251	return SR_OK;
	252	}
	253
	254	static int hw_cleanup(void)
	255	{
df92e5cf	256	GSList *l;
	257	struct sr_dev_inst *sdi;
	258	struct drv_context *drvc;
	259	struct dev_context *devc;
	260	int ret = SR_OK;
	261
	262	if (!(drvc = di->priv))
	263	return SR_OK;
	264
	265	/* Properly close and free all devices. */
	266	for (l = drvc->instances; l; l = l->next) {
	267	if (!(sdi = l->data)) {
	268	/* Log error, but continue cleaning up the rest. */
	269	sr_err("%s: sdi was NULL, continuing", __func__);
	270	ret = SR_ERR_BUG;
	271	continue;
	272	}
	273	if (!(devc = sdi->priv)) {
	274	/* Log error, but continue cleaning up the rest. */
	275	sr_err("%s: sdi->priv was NULL, continuing", __func__);
	276	ret = SR_ERR_BUG;
	277	continue;
	278	}
	279	hw_dev_close(sdi);
	280	sr_serial_dev_inst_free(devc->serial);
	281	sr_dev_inst_free(sdi);
	282	}
	283	g_slist_free(drvc->instances);
	284	drvc->instances = NULL;
	285
	286	return ret;
	287	}
	288
	289	static int hw_info_get(int info_id, const void **data,
	290	const struct sr_dev_inst *sdi)
	291	{
	292	struct dev_context *devc;
	293
df92e5cf	294	switch (info_id) {
	295	case SR_DI_HWCAPS:
	296	*data = hwcaps;
	297	break;
	298	case SR_DI_NUM_PROBES:
	299	*data = GINT_TO_POINTER(1);
	300	break;
	301	case SR_DI_PROBE_NAMES:
	302	*data = mso19_probe_names;
	303	break;
	304	case SR_DI_SAMPLERATES:
	305	*data = &samplerates;
	306	break;
	307	case SR_DI_TRIGGER_TYPES:
	308	data = (char )TRIGGER_TYPES;
	309	break;
	310	case SR_DI_CUR_SAMPLERATE:
	311	if (sdi) {
	312	devc = sdi->priv;
	313	*data = &devc->cur_rate;
	314	} else
	315	return SR_ERR;
	316	break;
	317	default:
	318	return SR_ERR_ARG;
	319	}
	320
	321	return SR_OK;
	322	}
	323
	324	static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
	325	const void *value)
	326	{
df92e5cf	327	int ret;
df92e5cf	328
	329	if (sdi->status != SR_ST_ACTIVE)
	330	return SR_ERR;
	331
	332	switch (hwcap) {
	333	case SR_HWCAP_SAMPLERATE:
	334	return mso_configure_rate(sdi, (const uint64_t ) value);
	335	ret = SR_OK;
	336	break;
	337	case SR_HWCAP_LIMIT_SAMPLES:
	338	ret = SR_OK;
	339	break;
	340	case SR_HWCAP_CAPTURE_RATIO:
	341	ret = SR_OK;
	342	break;
	343	case SR_HWCAP_RLE:
	344	ret = SR_OK;
	345	break;
	346	default:
	347	ret = SR_ERR;
	348	}
	349
	350	return ret;
	351	}
	352
	353	static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
	354	void *cb_data)
	355	{
	356	struct sr_datafeed_packet *packet;
	357	struct sr_datafeed_header *header;
	358	struct sr_datafeed_meta_logic meta;
	359	struct dev_context *devc;
df92e5cf	360	int ret = SR_ERR;
	361
	362
	363	printf("Accquistion start\n");
	364	devc = sdi->priv;
	365
	366	if (sdi->status != SR_ST_ACTIVE)
	367	return SR_ERR;
	368
5a24e89c	369	if (mso_configure_probes(sdi) != SR_OK) {
	370	sr_err("Failed to configure probes.");
	371	return SR_ERR;
	372	}
df92e5cf	373
	374	/*
	375	* Enable/disable channel groups in the flag register according to the
	376	* probe mask. Calculate this here, because num_channels is needed
	377	* to limit readcount.
	378	*/
	379	//changrp_mask = 0;
	380	//num_channels = 0;
	381	//for (i = 0; i < 4; i++) {
	382	// if (devc->probe_mask & (0xff << (i * 8))) {
	383	// changrp_mask \|= (1 << i);
	384	// num_channels++;
	385	// }
	386	//}
	387
	388	/* FIXME: No need to do full reconfigure every time */
	389	// ret = mso_reset_fsm(sdi);
	390	// if (ret != SR_OK)
	391	// return ret;
	392
	393	/* FIXME: ACDC Mode */
	394	devc->ctlbase1 &= 0x7f;
	395	// devc->ctlbase1 \|= devc->acdcmode;
	396
4db2aaff	397	printf("Configure rate\n");
df92e5cf	398	ret = mso_configure_rate(sdi, devc->cur_rate);
	399	if (ret != SR_OK)
	400	return ret;
	401
	402	/* set dac offset */
4db2aaff	403	printf("Configure dac\n");
df92e5cf	404	ret = mso_dac_out(sdi, devc->dac_offset);
	405	if (ret != SR_OK)
	406	return ret;
	407
4db2aaff	408	printf("Configure threshold level\n");
df92e5cf	409	ret = mso_configure_threshold_level(sdi);
	410	if (ret != SR_OK)
	411	return ret;
	412
4db2aaff	413	printf("Configure trigger\n");
df92e5cf	414	ret = mso_configure_trigger(sdi);
	415	if (ret != SR_OK)
	416	return ret;
	417
	418	/* FIXME: trigger_position */
	419
	420
	421	/* END of config hardware part */
	422
	423	/* with trigger */
4db2aaff	424	printf("arm\n");
df92e5cf	425	ret = mso_arm(sdi);
	426	if (ret != SR_OK)
	427	return ret;
	428
	429	/* without trigger */
	430	// ret = mso_force_capture(sdi);
	431	// if (ret != SR_OK)
	432	// return ret;
	433
	434	/* Start acquisition on the device. */
4db2aaff	435	printf("Check trigger\n");
	436	mso_check_trigger(devc->serial, &devc->trigger_state);
	437	ret = mso_check_trigger(devc->serial, NULL);
df92e5cf	438	if (ret != SR_OK)
	439	return ret;
	440
4db2aaff	441	printf("Source add\n");
df92e5cf	442	sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data);
df92e5cf	443
4db2aaff	444	printf("Create packet\n");
df92e5cf	445	if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
	446	sr_err("Datafeed packet malloc failed.");
	447	return SR_ERR_MALLOC;
	448	}
	449
	450	if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) {
	451	sr_err("Datafeed header malloc failed.");
	452	g_free(packet);
	453	return SR_ERR_MALLOC;
	454	}
	455
	456	packet->type = SR_DF_HEADER;
	457	packet->payload = (unsigned char *)header;
	458	header->feed_version = 1;
	459	gettimeofday(&header->starttime, NULL);
	460	sr_session_send(cb_data, packet);
	461
	462	packet->type = SR_DF_META_LOGIC;
	463	packet->payload = &meta;
	464	meta.samplerate = devc->cur_rate;
	465	meta.num_probes = NUM_PROBES;
	466	sr_session_send(cb_data, packet);
	467
	468	g_free(header);
	469	g_free(packet);
	470
	471	return SR_OK;
	472	}
	473
	474	/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
	475	static int hw_dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	476	{
df92e5cf	477	/* Avoid compiler warnings. */
	478	(void)cb_data;
	479
	480	stop_acquisition(sdi);
	481
	482	return SR_OK;
	483	}
	484
	485	SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
	486	.name = "link-mso19",
	487	.longname = "Link Instruments MSO-19",
	488	.api_version = 1,
	489	.init = hw_init,
	490	.cleanup = hw_cleanup,
	491	.scan = hw_scan,
	492	.dev_list = hw_dev_list,
	493	.dev_clear = hw_cleanup,
	494	.dev_open = hw_dev_open,
	495	.dev_close = hw_dev_close,
	496	.info_get = hw_info_get,
	497	.dev_config_set = hw_dev_config_set,
	498	.dev_acquisition_start = hw_dev_acquisition_start,
	499	.dev_acquisition_stop = hw_dev_acquisition_stop,
	500	.priv = NULL,
	501	};