[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(1),
	//SR_HZ(100),
	//SR_HZ(200),
	//SR_HZ(500),
	//SR_KHZ(1),
	//SR_KHZ(2),
	//SR_KHZ(5),
	//SR_KHZ(10),
	//SR_KHZ(20),
	//SR_KHZ(50),
	//SR_KHZ(100),
	//SR_KHZ(200),
	//SR_KHZ(500),
	//SR_MHZ(1),
	//SR_MHZ(2),
	//SR_MHZ(5),
	//SR_MHZ(10),
	//SR_MHZ(20),
	//SR_MHZ(50),
	//SR_MHZ(100),
	//SR_MHZ(200),
	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)
{
  printf("Init driver\n");

	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)
{
	//struct sr_hwopt *opt;
	//struct sr_probe *probe;
	//GPollFD probefd;
	//int ret, i;
	//char buf[8];
	//struct udev *udev;
  int i;

	(void)options;
	GSList *devices = NULL;
 
	sr_info("Checking for link mso19\n");

	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);

		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); 
    }


    printf("Add the context\n");
    //Add the driver
    struct drv_context *drvc = di->priv;
    drvc->instances = g_slist_append(drvc->instances, sdi);
    devices = g_slist_append(devices, sdi);
  }
  
  printf("Return devices\n");
	return devices;
}

static GSList *hw_dev_list(void)
{
  printf("Dev list\n");
	struct drv_context *drvc;

	drvc = di->priv;

	return drvc->instances;
}

static int hw_dev_open(struct sr_dev_inst *sdi)
{
  printf("Dev opewn\n");
	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)
{
  printf("*Dev clearup\n");
	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;

  printf("Get info\n");

	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;

	//TODO if (ols_configure_probes(sdi) != SR_OK) {
	//TODO 	sr_err("Failed to configure probes.");
	//TODO 	return SR_ERR;
	//TODO }

	/*
	 * 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)
{
  printf("Accuqstion stop\n");
	/* 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),
4db2aaff	44	SR_HZ(1),
	45	//SR_HZ(100),
	46	//SR_HZ(200),
	47	//SR_HZ(500),
	48	//SR_KHZ(1),
	49	//SR_KHZ(2),
	50	//SR_KHZ(5),
	51	//SR_KHZ(10),
	52	//SR_KHZ(20),
	53	//SR_KHZ(50),
	54	//SR_KHZ(100),
	55	//SR_KHZ(200),
	56	//SR_KHZ(500),
	57	//SR_MHZ(1),
	58	//SR_MHZ(2),
	59	//SR_MHZ(5),
	60	//SR_MHZ(10),
	61	//SR_MHZ(20),
	62	//SR_MHZ(50),
	63	//SR_MHZ(100),
	64	//SR_MHZ(200),
df92e5cf	65	NULL,
	66	};
	67
	68	SR_PRIV struct sr_dev_driver link_mso19_driver_info;
	69	static struct sr_dev_driver *di = &link_mso19_driver_info;
	70
	71	static int hw_init(struct sr_context *sr_ctx)
	72	{
	73	printf("Init driver\n");
	74
	75	struct drv_context *drvc;
	76
	77	if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
	78	sr_err("Driver context malloc failed.");
	79	return SR_ERR_MALLOC;
	80	}
	81	drvc->sr_ctx = sr_ctx;
	82	di->priv = drvc;
	83
	84	return SR_OK;
	85	}
	86
	87	static GSList hw_scan(GSList options)
	88	{
	89	//struct sr_hwopt *opt;
	90	//struct sr_probe *probe;
	91	//GPollFD probefd;
	92	//int ret, i;
	93	//char buf[8];
	94	//struct udev *udev;
	95	int i;
	96
	97	(void)options;
	98	GSList *devices = NULL;
	99
	100	sr_info("Checking for link mso19\n");
	101
	102	const char* conn = NULL;
	103	const char* serialcomm = NULL;
	104	GSList *l;
	105	for (l = options; l; l = l->next) {
	106	struct sr_hwopt* opt = l->data;
	107	switch (opt->hwopt) {
	108	case SR_HWOPT_CONN:
	109	conn = opt->value;
	110	break;
	111	case SR_HWOPT_SERIALCOMM:
	112	serialcomm = opt->value;
	113	break;
	114	}
	115	}
	116	if (!conn)
	117	conn = SERIALCONN;
	118	if (serialcomm == NULL)
	119	serialcomm = SERIALCOMM;
	120
	121	struct udev *udev = udev_new();
	122	if (!udev) {
	123	sr_err("Failed to initialize udev.");
	124	}
	125	struct udev_enumerate *enumerate = udev_enumerate_new(udev);
	126	udev_enumerate_add_match_subsystem(enumerate, "usb-serial");
	127	udev_enumerate_scan_devices(enumerate);
	128	struct udev_list_entry *devs = udev_enumerate_get_list_entry(enumerate);
129	struct udev_list_entry *dev_list_entry;
130	for (dev_list_entry = devs;
131	dev_list_entry != NULL;
132	dev_list_entry = udev_list_entry_get_next(dev_list_entry))
133	{
134	const char *syspath = udev_list_entry_get_name(dev_list_entry);
135	struct udev_device *dev = udev_device_new_from_syspath(udev, syspath);
136	const char *sysname = udev_device_get_sysname(dev);
137	struct udev_device *parent = udev_device_get_parent_with_subsystem_devtype(
138	dev, "usb", "usb_device");
139
140	if (!parent) {
141	sr_err("Unable to find parent usb device for %s",
142	sysname);
143	continue;
144	}
145
146	const char *idVendor = udev_device_get_sysattr_value(parent, "idVendor");
147	const char *idProduct = udev_device_get_sysattr_value(parent, "idProduct");
148	if (strcmp(USB_VENDOR, idVendor)
149	\|\| strcmp(USB_PRODUCT, idProduct))
150	continue;
151
152	const char* iSerial = udev_device_get_sysattr_value(parent, "serial");
153	const char* iProduct = udev_device_get_sysattr_value(parent, "product");
154
155	char path[32];
156	snprintf(path, sizeof(path), "/dev/%s", sysname);
157
158	size_t s = strcspn(iProduct, " ");
159	char product[32];
160	char manufacturer[32];
161	if (s > sizeof(product) \|\|
162	strlen(iProduct) - s > sizeof(manufacturer)) {
163	sr_err("Could not parse iProduct: %s.", iProduct);
164	continue;
165	}
166	strncpy(product, iProduct, s);
167	product[s] = 0;
4db2aaff	168	strcpy(manufacturer, iProduct + s + 1);
df92e5cf	169
	170	//Create the device context and set its params
	171	struct dev_context *devc;
	172	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	173	sr_err("Device context malloc failed.");
	174	return devices;
	175	}
	176
	177	if (mso_parse_serial(iSerial, iProduct, devc) != SR_OK) {
	178	sr_err("Invalid iSerial: %s.", iSerial);
	179	g_free(devc);
	180	return devices;
	181	}
	182
	183	char hwrev[32];
	184	sprintf(hwrev, "r%d", devc->hwrev);
	185	devc->ctlbase1 = 0;
	186	devc->protocol_trigger.spimode = 0;
	187	for (i = 0; i < 4; i++) {
	188	devc->protocol_trigger.word[i] = 0;
	189	devc->protocol_trigger.mask[i] = 0xff;
	190	}
	191
	192	if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm)))
	193	{
	194	g_free(devc);
	195	return devices;
	196	}
	197
	198	struct sr_dev_inst *sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
	199	manufacturer, product, hwrev);
	200
	201	if (!sdi) {
	202	sr_err("Unable to create device instance for %s",
	203	sysname);
	204	sr_dev_inst_free(sdi);
	205	g_free(devc);
	206	return devices;
	207	}
	208
df92e5cf	209	sdi->driver = di;
df92e5cf	210	sdi->priv = devc;
4db2aaff	211
	212	for (i = 0; i < NUM_PROBES; i++) {
	213	struct sr_probe *probe;
	214	if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
	215	mso19_probe_names[i])))
	216	return 0;
	217	sdi->probes = g_slist_append(sdi->probes, probe);
	218	}
	219
df92e5cf	220
	221	printf("Add the context\n");
	222	//Add the driver
	223	struct drv_context *drvc = di->priv;
	224	drvc->instances = g_slist_append(drvc->instances, sdi);
	225	devices = g_slist_append(devices, sdi);
	226	}
	227
	228	printf("Return devices\n");
	229	return devices;
	230	}
	231
	232	static GSList *hw_dev_list(void)
	233	{
	234	printf("Dev list\n");
	235	struct drv_context *drvc;
	236
	237	drvc = di->priv;
	238
	239	return drvc->instances;
	240	}
	241
	242	static int hw_dev_open(struct sr_dev_inst *sdi)
	243	{
	244	printf("Dev opewn\n");
	245	struct dev_context *devc;
	246
	247	devc = sdi->priv;
	248
	249	if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
	250	return SR_ERR;
	251
	252	sdi->status = SR_ST_ACTIVE;
	253
	254	/* FIXME: discard serial buffer */
	255	mso_check_trigger(devc->serial, &devc->trigger_state);
	256	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	257
	258	int ret = mso_reset_adc(sdi);
	259	if (ret != SR_OK)
	260	return ret;
	261
	262	mso_check_trigger(devc->serial, &devc->trigger_state);
	263	sr_dbg("Trigger state: 0x%x.", devc->trigger_state);
	264
	265	// ret = mso_reset_fsm(sdi);
	266	// if (ret != SR_OK)
	267	// return ret;
	268	// return SR_ERR;
	269
	270	return SR_OK;
	271	}
	272
	273	static int hw_dev_close(struct sr_dev_inst *sdi)
	274	{
	275	printf("dev close\n");
	276	struct dev_context *devc;
	277
	278	devc = sdi->priv;
	279
	280	if (devc->serial && devc->serial->fd != -1) {
	281	serial_close(devc->serial);
	282	sdi->status = SR_ST_INACTIVE;
	283	}
284
285	return SR_OK;
286	}
287
288	static int hw_cleanup(void)
289	{
290	printf("*Dev clearup\n");
291	GSList *l;
292	struct sr_dev_inst *sdi;
293	struct drv_context *drvc;
294	struct dev_context *devc;
295	int ret = SR_OK;
296
297	if (!(drvc = di->priv))
298	return SR_OK;
299
300	/* Properly close and free all devices. */
301	for (l = drvc->instances; l; l = l->next) {
302	if (!(sdi = l->data)) {
303	/* Log error, but continue cleaning up the rest. */
304	sr_err("%s: sdi was NULL, continuing", __func__);
305	ret = SR_ERR_BUG;
306	continue;
307	}
308	if (!(devc = sdi->priv)) {
309	/* Log error, but continue cleaning up the rest. */
310	sr_err("%s: sdi->priv was NULL, continuing", __func__);
311	ret = SR_ERR_BUG;
312	continue;
313	}
314	hw_dev_close(sdi);
315	sr_serial_dev_inst_free(devc->serial);
316	sr_dev_inst_free(sdi);
317	}
318	g_slist_free(drvc->instances);
319	drvc->instances = NULL;
320
321	return ret;
322	}
323
324	static int hw_info_get(int info_id, const void **data,
325	const struct sr_dev_inst *sdi)
326	{
327	struct dev_context *devc;
328
329	printf("Get info\n");
330
331	switch (info_id) {
332	case SR_DI_HWCAPS:
333	*data = hwcaps;
334	break;
335	case SR_DI_NUM_PROBES:
336	*data = GINT_TO_POINTER(1);
337	break;
338	case SR_DI_PROBE_NAMES:
339	*data = mso19_probe_names;
340	break;
341	case SR_DI_SAMPLERATES:
342	*data = &samplerates;
343	break;
344	case SR_DI_TRIGGER_TYPES:
345	data = (char )TRIGGER_TYPES;
346	break;
347	case SR_DI_CUR_SAMPLERATE:
348	if (sdi) {
349	devc = sdi->priv;
350	*data = &devc->cur_rate;
351	} else
352	return SR_ERR;
353	break;
354	default:
355	return SR_ERR_ARG;
356	}
357
358	return SR_OK;
359	}
360
361	static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
362	const void *value)
363	{
df92e5cf	364	int ret;
df92e5cf	365
	366	if (sdi->status != SR_ST_ACTIVE)
	367	return SR_ERR;
	368
	369	switch (hwcap) {
	370	case SR_HWCAP_SAMPLERATE:
	371	return mso_configure_rate(sdi, (const uint64_t ) value);
	372	ret = SR_OK;
	373	break;
	374	case SR_HWCAP_LIMIT_SAMPLES:
	375	ret = SR_OK;
	376	break;
	377	case SR_HWCAP_CAPTURE_RATIO:
	378	ret = SR_OK;
	379	break;
	380	case SR_HWCAP_RLE:
	381	ret = SR_OK;
	382	break;
	383	default:
	384	ret = SR_ERR;
	385	}
	386
	387	return ret;
	388	}
	389
	390	static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
	391	void *cb_data)
	392	{
	393	struct sr_datafeed_packet *packet;
	394	struct sr_datafeed_header *header;
	395	struct sr_datafeed_meta_logic meta;
	396	struct dev_context *devc;
df92e5cf	397	int ret = SR_ERR;
	398
	399
	400	printf("Accquistion start\n");
	401	devc = sdi->priv;
	402
	403	if (sdi->status != SR_ST_ACTIVE)
	404	return SR_ERR;
	405
	406	//TODO if (ols_configure_probes(sdi) != SR_OK) {
	407	//TODO sr_err("Failed to configure probes.");
	408	//TODO return SR_ERR;
	409	//TODO }
	410
	411	/*
	412	* Enable/disable channel groups in the flag register according to the
	413	* probe mask. Calculate this here, because num_channels is needed
	414	* to limit readcount.
	415	*/
	416	//changrp_mask = 0;
	417	//num_channels = 0;
	418	//for (i = 0; i < 4; i++) {
	419	// if (devc->probe_mask & (0xff << (i * 8))) {
	420	// changrp_mask \|= (1 << i);
	421	// num_channels++;
	422	// }
	423	//}
	424
	425	/* FIXME: No need to do full reconfigure every time */
	426	// ret = mso_reset_fsm(sdi);
	427	// if (ret != SR_OK)
	428	// return ret;
	429
	430	/* FIXME: ACDC Mode */
	431	devc->ctlbase1 &= 0x7f;
	432	// devc->ctlbase1 \|= devc->acdcmode;
	433
4db2aaff	434	printf("Configure rate\n");
df92e5cf	435	ret = mso_configure_rate(sdi, devc->cur_rate);
	436	if (ret != SR_OK)
	437	return ret;
	438
	439	/* set dac offset */
4db2aaff	440	printf("Configure dac\n");
df92e5cf	441	ret = mso_dac_out(sdi, devc->dac_offset);
	442	if (ret != SR_OK)
	443	return ret;
	444
4db2aaff	445	printf("Configure threshold level\n");
df92e5cf	446	ret = mso_configure_threshold_level(sdi);
	447	if (ret != SR_OK)
	448	return ret;
	449
4db2aaff	450	printf("Configure trigger\n");
df92e5cf	451	ret = mso_configure_trigger(sdi);
	452	if (ret != SR_OK)
	453	return ret;
	454
	455	/* FIXME: trigger_position */
	456
	457
	458	/* END of config hardware part */
	459
	460	/* with trigger */
4db2aaff	461	printf("arm\n");
df92e5cf	462	ret = mso_arm(sdi);
	463	if (ret != SR_OK)
	464	return ret;
	465
	466	/* without trigger */
	467	// ret = mso_force_capture(sdi);
	468	// if (ret != SR_OK)
	469	// return ret;
	470
	471	/* Start acquisition on the device. */
4db2aaff	472	printf("Check trigger\n");
	473	mso_check_trigger(devc->serial, &devc->trigger_state);
	474	ret = mso_check_trigger(devc->serial, NULL);
df92e5cf	475	if (ret != SR_OK)
	476	return ret;
	477
4db2aaff	478	printf("Source add\n");
df92e5cf	479	sr_source_add(devc->serial->fd, G_IO_IN, -1, mso_receive_data, cb_data);
df92e5cf	480
4db2aaff	481	printf("Create packet\n");
df92e5cf	482	if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
	483	sr_err("Datafeed packet malloc failed.");
	484	return SR_ERR_MALLOC;
	485	}
	486
	487	if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) {
	488	sr_err("Datafeed header malloc failed.");
	489	g_free(packet);
	490	return SR_ERR_MALLOC;
	491	}
	492
	493	packet->type = SR_DF_HEADER;
	494	packet->payload = (unsigned char *)header;
	495	header->feed_version = 1;
	496	gettimeofday(&header->starttime, NULL);
	497	sr_session_send(cb_data, packet);
	498
	499	packet->type = SR_DF_META_LOGIC;
	500	packet->payload = &meta;
	501	meta.samplerate = devc->cur_rate;
	502	meta.num_probes = NUM_PROBES;
	503	sr_session_send(cb_data, packet);
	504
	505	g_free(header);
	506	g_free(packet);
	507
	508	return SR_OK;
	509	}
	510
	511	/* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
	512	static int hw_dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	513	{
	514	printf("Accuqstion stop\n");
	515	/* Avoid compiler warnings. */
	516	(void)cb_data;
	517
	518	stop_acquisition(sdi);
	519
	520	return SR_OK;
	521	}
	522
	523	SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
	524	.name = "link-mso19",
	525	.longname = "Link Instruments MSO-19",
	526	.api_version = 1,
	527	.init = hw_init,
	528	.cleanup = hw_cleanup,
	529	.scan = hw_scan,
	530	.dev_list = hw_dev_list,
	531	.dev_clear = hw_cleanup,
	532	.dev_open = hw_dev_open,
	533	.dev_close = hw_dev_close,
	534	.info_get = hw_info_get,
	535	.dev_config_set = hw_dev_config_set,
	536	.dev_acquisition_start = hw_dev_acquisition_start,
	537	.dev_acquisition_stop = hw_dev_acquisition_stop,
	538	.priv = NULL,
	539	};