[libsigrok.git] / hardware / uni-t-dmm / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <stdlib.h>
#include <string.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
#include "protocol.h"

#define UNI_T_UT_D04_NEW "1a86.e008"

static const int32_t hwopts[] = {
	SR_CONF_CONN,
};

static const int32_t hwcaps[] = {
	SR_CONF_MULTIMETER,
	SR_CONF_LIMIT_SAMPLES,
	SR_CONF_LIMIT_MSEC,
	SR_CONF_CONTINUOUS,
};

SR_PRIV struct sr_dev_driver tecpel_dmm_8061_driver_info;
SR_PRIV struct sr_dev_driver uni_t_ut60a_driver_info;
SR_PRIV struct sr_dev_driver uni_t_ut60e_driver_info;
SR_PRIV struct sr_dev_driver uni_t_ut61c_driver_info;
SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
SR_PRIV struct sr_dev_driver uni_t_ut61e_driver_info;
SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
SR_PRIV struct sr_dev_driver voltcraft_vc830_driver_info;
SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info;
SR_PRIV struct sr_dev_driver tenma_72_7745_driver_info;

SR_PRIV struct dmm_info udmms[] = {
	{
		"Tecpel", "DMM-8061", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c,
		&tecpel_dmm_8061_driver_info, receive_data_TECPEL_DMM_8061,
	},
	{
		"UNI-T", "UT60A", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		NULL,
		&uni_t_ut60a_driver_info, receive_data_UNI_T_UT60A,
	},
	{
		"UNI-T", "UT60E", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c,
		&uni_t_ut60e_driver_info, receive_data_UNI_T_UT60E,
	},
	{
		"UNI-T", "UT61C", 2400,
		FS9922_PACKET_SIZE,
		sr_fs9922_packet_valid, sr_fs9922_parse,
		NULL,
		&uni_t_ut61c_driver_info, receive_data_UNI_T_UT61C,
	},
	{
		"UNI-T", "UT61D", 2400,
		FS9922_PACKET_SIZE,
		sr_fs9922_packet_valid, sr_fs9922_parse,
		NULL,
		&uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D,
	},
	{
		/*
		 * Important: The actual baudrate of the Cyrustek ES51922 chip
		 * used in this DMM is 19230. However, the WCH CH9325 chip
		 * (UART to USB/HID) used in (some versions of) the UNI-T
		 * UT-D04 cable doesn't support 19230 baud. It only supports
		 * 19200, and setting an unsupported baudrate will result in
		 * the default of 2400 being used (which will not work with
		 * this DMM, of course).
		 */
		"UNI-T", "UT61E", 19200,
		ES51922_PACKET_SIZE,
		sr_es51922_packet_valid, sr_es51922_parse,
		NULL,
		&uni_t_ut61e_driver_info, receive_data_UNI_T_UT61E,
	},
	{
		"Voltcraft", "VC-820", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		NULL,
		&voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820,
	},
	{
		/*
		 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
		 * the FS9922 protocol. Instead, it only sets the user-defined
		 * bit "z1" to indicate "diode mode" and "voltage".
		 */
		"Voltcraft", "VC-830", 2400,
		FS9922_PACKET_SIZE,
		sr_fs9922_packet_valid, sr_fs9922_parse,
		&sr_fs9922_z1_diode,
		&voltcraft_vc830_driver_info, receive_data_VOLTCRAFT_VC830,
	},
	{
		"Voltcraft", "VC-840", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c,
		&voltcraft_vc840_driver_info, receive_data_VOLTCRAFT_VC840,
	},
	{
		"Tenma", "72-7745", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c,
		&tenma_72_7745_driver_info,
		/* This is a basic rebadge of the UT60E. */
		receive_data_UNI_T_UT60E,
	},
};

static int dev_clear(int dmm)
{
	return std_dev_clear(udmms[dmm].di, NULL);
}

static int init(struct sr_context *sr_ctx, int dmm)
{
	sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name);

	return std_init(sr_ctx, udmms[dmm].di, LOG_PREFIX);
}

static GSList *scan(GSList *options, int dmm)
{
	GSList *usb_devices, *devices, *l;
	struct sr_dev_inst *sdi;
	struct dev_context *devc;
	struct drv_context *drvc;
	struct sr_usb_dev_inst *usb;
	struct sr_config *src;
	struct sr_probe *probe;
	const char *conn;

	drvc = udmms[dmm].di->priv;

	conn = NULL;
	for (l = options; l; l = l->next) {
		src = l->data;
		switch (src->key) {
		case SR_CONF_CONN:
			conn = g_variant_get_string(src->data, NULL);
			break;
		}
	}
	if (!conn)
		return NULL;

	devices = NULL;
	if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
		g_slist_free_full(usb_devices, g_free);
		return NULL;
	}

	for (l = usb_devices; l; l = l->next) {
		usb = l->data;

		if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
			sr_err("Device context malloc failed.");
			return NULL;
		}

		devc->first_run = TRUE;

		if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
				udmms[dmm].vendor, udmms[dmm].device, NULL))) {
			sr_err("sr_dev_inst_new returned NULL.");
			return NULL;
		}
		sdi->priv = devc;
		sdi->driver = udmms[dmm].di;
		if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
			return NULL;
		sdi->probes = g_slist_append(sdi->probes, probe);

		sdi->inst_type = SR_INST_USB;
		sdi->conn = usb;

		drvc->instances = g_slist_append(drvc->instances, sdi);
		devices = g_slist_append(devices, sdi);
	}

	return devices;
}

static GSList *dev_list(int dmm)
{
	return ((struct drv_context *)(udmms[dmm].di->priv))->instances;
}

static int dev_open(struct sr_dev_inst *sdi, int dmm)
{
	struct drv_context *drvc;
	struct sr_usb_dev_inst *usb;
	int ret;

	drvc = udmms[dmm].di->priv;
	usb = sdi->conn;

	if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK)
		sdi->status = SR_ST_ACTIVE;

	return ret;
}

static int dev_close(struct sr_dev_inst *sdi)
{
	(void)sdi;

	/* TODO */

	sdi->status = SR_ST_INACTIVE;

	return SR_OK;
}

static int cleanup(int dmm)
{
	return dev_clear(dmm);
}

static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
		const struct sr_probe_group *probe_group)
{
	struct dev_context *devc;

	(void)probe_group;

	devc = sdi->priv;

	switch (id) {
	case SR_CONF_LIMIT_MSEC:
		if (g_variant_get_uint64(data) == 0) {
			sr_err("Time limit cannot be 0.");
			return SR_ERR;
		}
		devc->limit_msec = g_variant_get_uint64(data);
		sr_dbg("Setting time limit to %" PRIu64 "ms.",
		       devc->limit_msec);
		break;
	case SR_CONF_LIMIT_SAMPLES:
		if (g_variant_get_uint64(data) == 0) {
			sr_err("Sample limit cannot be 0.");
			return SR_ERR;
		}
		devc->limit_samples = g_variant_get_uint64(data);
		sr_dbg("Setting sample limit to %" PRIu64 ".",
		       devc->limit_samples);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_probe_group *probe_group)
{
	(void)sdi;
	(void)probe_group;

	switch (key) {
	case SR_CONF_SCAN_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
				hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
		break;
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
				hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi,
				    void *cb_data, int dmm)
{
	struct dev_context *devc;

	devc = sdi->priv;

	devc->cb_data = cb_data;

	devc->starttime = g_get_monotonic_time();

	/* Send header packet to the session bus. */
	std_session_send_df_header(cb_data, LOG_PREFIX);

	sr_source_add(0, 0, 10 /* poll_timeout */,
		      udmms[dmm].receive_data, (void *)sdi);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
	struct sr_datafeed_packet packet;

	(void)sdi;

	sr_dbg("Stopping acquisition.");

	/* Send end packet to the session bus. */
	sr_dbg("Sending SR_DF_END.");
	packet.type = SR_DF_END;
	sr_session_send(cb_data, &packet);

	/* TODO? */
	sr_source_remove(0);

	return SR_OK;
}

/* Driver-specific API function wrappers */
#define HW_INIT(X) \
static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
#define HW_CLEANUP(X) \
static int cleanup_##X(void) { return cleanup(X); }
#define HW_SCAN(X) \
static GSList *scan_##X(GSList *options) { return scan(options, X); }
#define HW_DEV_LIST(X) \
static GSList *dev_list_##X(void) { return dev_list(X); }
#define HW_DEV_CLEAR(X) \
static int dev_clear_##X(void) { return dev_clear(X); }
#define HW_DEV_ACQUISITION_START(X) \
static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
#define HW_DEV_OPEN(X) \
static int dev_open_##X(struct sr_dev_inst *sdi) { return dev_open(sdi, X); }

/* Driver structs and API function wrappers */
#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
HW_INIT(ID_UPPER) \
HW_CLEANUP(ID_UPPER) \
HW_SCAN(ID_UPPER) \
HW_DEV_LIST(ID_UPPER) \
HW_DEV_CLEAR(ID_UPPER) \
HW_DEV_ACQUISITION_START(ID_UPPER) \
HW_DEV_OPEN(ID_UPPER) \
SR_PRIV struct sr_dev_driver ID##_driver_info = { \
	.name = NAME, \
	.longname = LONGNAME, \
	.api_version = 1, \
	.init = init_##ID_UPPER, \
	.cleanup = cleanup_##ID_UPPER, \
	.scan = scan_##ID_UPPER, \
	.dev_list = dev_list_##ID_UPPER, \
	.dev_clear = dev_clear_##ID_UPPER, \
	.config_get = NULL, \
	.config_set = config_set, \
	.config_list = config_list, \
	.dev_open = dev_open_##ID_UPPER, \
	.dev_close = dev_close, \
	.dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
	.dev_acquisition_stop = dev_acquisition_stop, \
	.priv = NULL, \
};

DRV(tecpel_dmm_8061, TECPEL_DMM_8061, "tecpel-dmm-8061", "Tecpel DMM-8061")
DRV(uni_t_ut60a, UNI_T_UT60A, "uni-t-ut60a", "UNI-T UT60A")
DRV(uni_t_ut60e, UNI_T_UT60E, "uni-t-ut60e", "UNI-T UT60E")
DRV(uni_t_ut61c, UNI_T_UT61C, "uni-t-ut61c", "UNI-T UT61C")
DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D")
DRV(uni_t_ut61e, UNI_T_UT61E, "uni-t-ut61e", "UNI-T UT61E")
DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820")
DRV(voltcraft_vc830, VOLTCRAFT_VC830, "voltcraft-vc830", "Voltcraft VC-830")
DRV(voltcraft_vc840, VOLTCRAFT_VC840, "voltcraft-vc840", "Voltcraft VC-840")
DRV(tenma_72_7745, TENMA_72_7745, "tenma-72-7745", "Tenma 72-7745")
Commit	Line	Data
79081ec8	1	/*
50985c20	2	* This file is part of the libsigrok project.
79081ec8	3	*
bc653a56	4	* Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de>
79081ec8 UH	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 2 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, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#include <stdlib.h>
	22	#include <string.h>
	23	#include "libsigrok.h"
	24	#include "libsigrok-internal.h"
	25	#include "protocol.h"
	26
388f9d3e UH	27	#define UNI_T_UT_D04_NEW "1a86.e008"
388f9d3e UH	28
7d93a62e	29	static const int32_t hwopts[] = {
431ec7ca	30	SR_CONF_CONN,
73365eae UH	31	};
73365eae UH	32
7d93a62e	33	static const int32_t hwcaps[] = {
1953564a BV	34	SR_CONF_MULTIMETER,
	35	SR_CONF_LIMIT_SAMPLES,
	36	SR_CONF_LIMIT_MSEC,
	37	SR_CONF_CONTINUOUS,
79081ec8 UH	38	};
79081ec8 UH	39
b6bad47c	40	SR_PRIV struct sr_dev_driver tecpel_dmm_8061_driver_info;
a7a163a7 FK	41	SR_PRIV struct sr_dev_driver uni_t_ut60a_driver_info;
a7a163a7 FK	42	SR_PRIV struct sr_dev_driver uni_t_ut60e_driver_info;
5f985df2	43	SR_PRIV struct sr_dev_driver uni_t_ut61c_driver_info;
fdbcb86d	44	SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
bbef5e32	45	SR_PRIV struct sr_dev_driver uni_t_ut61e_driver_info;
fdbcb86d	46	SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
c1345749	47	SR_PRIV struct sr_dev_driver voltcraft_vc830_driver_info;
695d0e1e	48	SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info;
5e1f7c89	49	SR_PRIV struct sr_dev_driver tenma_72_7745_driver_info;
6ac5f892	50
c8852687	51	SR_PRIV struct dmm_info udmms[] = {
b6bad47c UH	52	{
b6bad47c UH	53	"Tecpel", "DMM-8061", 2400,
26e0361c	54	FS9721_PACKET_SIZE,
b6bad47c UH	55	sr_fs9721_packet_valid, sr_fs9721_parse,
	56	sr_fs9721_00_temp_c,
	57	&tecpel_dmm_8061_driver_info, receive_data_TECPEL_DMM_8061,
	58	},
a7a163a7 FK	59	{
a7a163a7 FK	60	"UNI-T", "UT60A", 2400,
26e0361c	61	FS9721_PACKET_SIZE,
a7a163a7 FK	62	sr_fs9721_packet_valid, sr_fs9721_parse,
	63	NULL,
	64	&uni_t_ut60a_driver_info, receive_data_UNI_T_UT60A,
	65	},
	66	{
	67	"UNI-T", "UT60E", 2400,
26e0361c	68	FS9721_PACKET_SIZE,
a7a163a7 FK	69	sr_fs9721_packet_valid, sr_fs9721_parse,
	70	sr_fs9721_00_temp_c,
	71	&uni_t_ut60e_driver_info, receive_data_UNI_T_UT60E,
	72	},
5f985df2 UH	73	{
	74	"UNI-T", "UT61C", 2400,
	75	FS9922_PACKET_SIZE,
	76	sr_fs9922_packet_valid, sr_fs9922_parse,
	77	NULL,
	78	&uni_t_ut61c_driver_info, receive_data_UNI_T_UT61C,
	79	},
c8852687	80	{
767aae30	81	"UNI-T", "UT61D", 2400,
26e0361c	82	FS9922_PACKET_SIZE,
c8852687 UH	83	sr_fs9922_packet_valid, sr_fs9922_parse,
	84	NULL,
	85	&uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D,
	86	},
bbef5e32	87	{
4d7ddff7 UH	88	/*
	89	* Important: The actual baudrate of the Cyrustek ES51922 chip
	90	* used in this DMM is 19230. However, the WCH CH9325 chip
	91	* (UART to USB/HID) used in (some versions of) the UNI-T
	92	* UT-D04 cable doesn't support 19230 baud. It only supports
	93	* 19200, and setting an unsupported baudrate will result in
	94	* the default of 2400 being used (which will not work with
	95	* this DMM, of course).
	96	*/
	97	"UNI-T", "UT61E", 19200,
26e0361c	98	ES51922_PACKET_SIZE,
bbef5e32 UH	99	sr_es51922_packet_valid, sr_es51922_parse,
	100	NULL,
	101	&uni_t_ut61e_driver_info, receive_data_UNI_T_UT61E,
	102	},
c8852687	103	{
bc653a56	104	"Voltcraft", "VC-820", 2400,
26e0361c	105	FS9721_PACKET_SIZE,
c8852687 UH	106	sr_fs9721_packet_valid, sr_fs9721_parse,
	107	NULL,
	108	&voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820,
	109	},
c1345749	110	{
e52bb9be UH	111	/*
	112	* Note: The VC830 doesn't set the 'volt' and 'diode' bits of
	113	* the FS9922 protocol. Instead, it only sets the user-defined
	114	* bit "z1" to indicate "diode mode" and "voltage".
	115	*/
c1345749	116	"Voltcraft", "VC-830", 2400,
26e0361c	117	FS9922_PACKET_SIZE,
c1345749	118	sr_fs9922_packet_valid, sr_fs9922_parse,
e52bb9be	119	&sr_fs9922_z1_diode,
c1345749 UH	120	&voltcraft_vc830_driver_info, receive_data_VOLTCRAFT_VC830,
c1345749 UH	121	},
695d0e1e UH	122	{
695d0e1e UH	123	"Voltcraft", "VC-840", 2400,
26e0361c	124	FS9721_PACKET_SIZE,
695d0e1e	125	sr_fs9721_packet_valid, sr_fs9721_parse,
2451a20f	126	sr_fs9721_00_temp_c,
695d0e1e UH	127	&voltcraft_vc840_driver_info, receive_data_VOLTCRAFT_VC840,
695d0e1e UH	128	},
5e1f7c89 BV	129	{
	130	"Tenma", "72-7745", 2400,
	131	FS9721_PACKET_SIZE,
	132	sr_fs9721_packet_valid, sr_fs9721_parse,
	133	sr_fs9721_00_temp_c,
	134	&tenma_72_7745_driver_info,
	135	/* This is a basic rebadge of the UT60E. */
	136	receive_data_UNI_T_UT60E,
	137	},
c8852687	138	};
6ac5f892	139
3b412e3a	140	static int dev_clear(int dmm)
79081ec8	141	{
8dca646e	142	return std_dev_clear(udmms[dmm].di, NULL);
79081ec8 UH	143	}
79081ec8 UH	144
6078d2c9	145	static int init(struct sr_context *sr_ctx, int dmm)
79081ec8	146	{
c8852687	147	sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name);
6ac5f892	148
f6beaac5	149	return std_init(sr_ctx, udmms[dmm].di, LOG_PREFIX);
fdbcb86d UH	150	}
fdbcb86d UH	151
6078d2c9	152	static GSList scan(GSList options, int dmm)
79081ec8	153	{
388f9d3e	154	GSList usb_devices, devices, *l;
79081ec8	155	struct sr_dev_inst *sdi;
41d9427f	156	struct dev_context *devc;
79081ec8	157	struct drv_context *drvc;
388f9d3e	158	struct sr_usb_dev_inst *usb;
431ec7ca	159	struct sr_config *src;
41d9427f	160	struct sr_probe *probe;
388f9d3e	161	const char *conn;
79081ec8	162
c8852687	163	drvc = udmms[dmm].di->priv;
79081ec8	164
388f9d3e UH	165	conn = NULL;
388f9d3e UH	166	for (l = options; l; l = l->next) {
431ec7ca BV	167	src = l->data;
	168	switch (src->key) {
	169	case SR_CONF_CONN:
7d93a62e	170	conn = g_variant_get_string(src->data, NULL);
388f9d3e UH	171	break;
	172	}
	173	}
	174	if (!conn)
56e76981	175	return NULL;
41d9427f	176
388f9d3e UH	177	devices = NULL;
	178	if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
	179	g_slist_free_full(usb_devices, g_free);
79081ec8	180	return NULL;
388f9d3e	181	}
79081ec8	182
388f9d3e UH	183	for (l = usb_devices; l; l = l->next) {
388f9d3e UH	184	usb = l->data;
41d9427f UH	185
	186	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	187	sr_err("Device context malloc failed.");
	188	return NULL;
	189	}
	190
bc653a56 UH	191	devc->first_run = TRUE;
bc653a56 UH	192
388f9d3e	193	if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
c8852687	194	udmms[dmm].vendor, udmms[dmm].device, NULL))) {
41d9427f UH	195	sr_err("sr_dev_inst_new returned NULL.");
	196	return NULL;
	197	}
	198	sdi->priv = devc;
c8852687	199	sdi->driver = udmms[dmm].di;
41d9427f UH	200	if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
	201	return NULL;
	202	sdi->probes = g_slist_append(sdi->probes, probe);
388f9d3e	203
3ece1dff UH	204	sdi->inst_type = SR_INST_USB;
3ece1dff UH	205	sdi->conn = usb;
388f9d3e UH	206
388f9d3e UH	207	drvc->instances = g_slist_append(drvc->instances, sdi);
41d9427f	208	devices = g_slist_append(devices, sdi);
79081ec8 UH	209	}
	210
	211	return devices;
	212	}
	213
6078d2c9	214	static GSList *dev_list(int dmm)
79081ec8	215	{
bc653a56	216	return ((struct drv_context *)(udmms[dmm].di->priv))->instances;
79081ec8 UH	217	}
79081ec8 UH	218
6078d2c9	219	static int dev_open(struct sr_dev_inst *sdi, int dmm)
79081ec8	220	{
388f9d3e	221	struct drv_context *drvc;
3ece1dff	222	struct sr_usb_dev_inst *usb;
bc653a56	223	int ret;
41d9427f	224
c8852687	225	drvc = udmms[dmm].di->priv;
3ece1dff	226	usb = sdi->conn;
41d9427f	227
3ece1dff	228	if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK)
bc653a56	229	sdi->status = SR_ST_ACTIVE;
e73ffd42	230
bc653a56	231	return ret;
79081ec8 UH	232	}
79081ec8 UH	233
6078d2c9	234	static int dev_close(struct sr_dev_inst *sdi)
79081ec8 UH	235	{
	236	(void)sdi;
	237
	238	/* TODO */
	239
bc653a56	240	sdi->status = SR_ST_INACTIVE;
e73ffd42	241
79081ec8 UH	242	return SR_OK;
	243	}
	244
6078d2c9	245	static int cleanup(int dmm)
79081ec8	246	{
3b412e3a	247	return dev_clear(dmm);
79081ec8 UH	248	}
79081ec8 UH	249
8f996b89 ML	250	static int config_set(int id, GVariant data, const struct sr_dev_inst sdi,
8f996b89 ML	251	const struct sr_probe_group *probe_group)
79081ec8 UH	252	{
	253	struct dev_context *devc;
	254
8f996b89 ML	255	(void)probe_group;
8f996b89 ML	256
79081ec8 UH	257	devc = sdi->priv;
79081ec8 UH	258
035a1078	259	switch (id) {
1953564a	260	case SR_CONF_LIMIT_MSEC:
7d93a62e	261	if (g_variant_get_uint64(data) == 0) {
79081ec8 UH	262	sr_err("Time limit cannot be 0.");
	263	return SR_ERR;
	264	}
7d93a62e	265	devc->limit_msec = g_variant_get_uint64(data);
79081ec8 UH	266	sr_dbg("Setting time limit to %" PRIu64 "ms.",
	267	devc->limit_msec);
	268	break;
1953564a	269	case SR_CONF_LIMIT_SAMPLES:
7d93a62e	270	if (g_variant_get_uint64(data) == 0) {
79081ec8 UH	271	sr_err("Sample limit cannot be 0.");
	272	return SR_ERR;
	273	}
7d93a62e	274	devc->limit_samples = g_variant_get_uint64(data);
79081ec8 UH	275	sr_dbg("Setting sample limit to %" PRIu64 ".",
	276	devc->limit_samples);
	277	break;
	278	default:
bd6fbf62	279	return SR_ERR_NA;
79081ec8 UH	280	}
	281
	282	return SR_OK;
	283	}
	284
8f996b89 ML	285	static int config_list(int key, GVariant *data, const struct sr_dev_inst sdi,
8f996b89 ML	286	const struct sr_probe_group *probe_group)
a1c743fc	287	{
a1c743fc	288	(void)sdi;
8f996b89	289	(void)probe_group;
a1c743fc BV	290
a1c743fc BV	291	switch (key) {
0d485e30	292	case SR_CONF_SCAN_OPTIONS:
7d93a62e BV	293	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
7d93a62e BV	294	hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
0d485e30	295	break;
9a6517d1	296	case SR_CONF_DEVICE_OPTIONS:
7d93a62e BV	297	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
7d93a62e BV	298	hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
9a6517d1	299	break;
a1c743fc	300	default:
bd6fbf62	301	return SR_ERR_NA;
a1c743fc BV	302	}
	303
	304	return SR_OK;
	305	}
	306
6078d2c9	307	static int dev_acquisition_start(const struct sr_dev_inst *sdi,
c8852687	308	void *cb_data, int dmm)
79081ec8	309	{
79081ec8 UH	310	struct dev_context *devc;
	311
	312	devc = sdi->priv;
	313
79081ec8 UH	314	devc->cb_data = cb_data;
79081ec8 UH	315
c5ffac41 UH	316	devc->starttime = g_get_monotonic_time();
c5ffac41 UH	317
79081ec8	318	/* Send header packet to the session bus. */
29a27196	319	std_session_send_df_header(cb_data, LOG_PREFIX);
79081ec8	320
c8852687 UH	321	sr_source_add(0, 0, 10 /* poll_timeout */,
c8852687 UH	322	udmms[dmm].receive_data, (void *)sdi);
79081ec8 UH	323
	324	return SR_OK;
	325	}
	326
6078d2c9	327	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
79081ec8 UH	328	{
	329	struct sr_datafeed_packet packet;
	330
	331	(void)sdi;
	332
	333	sr_dbg("Stopping acquisition.");
	334
	335	/* Send end packet to the session bus. */
	336	sr_dbg("Sending SR_DF_END.");
	337	packet.type = SR_DF_END;
	338	sr_session_send(cb_data, &packet);
	339
	340	/* TODO? */
	341	sr_source_remove(0);
	342
	343	return SR_OK;
	344	}
	345
c8852687 UH	346	/* Driver-specific API function wrappers */
c8852687 UH	347	#define HW_INIT(X) \
6078d2c9	348	static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
c8852687	349	#define HW_CLEANUP(X) \
6078d2c9	350	static int cleanup_##X(void) { return cleanup(X); }
c8852687	351	#define HW_SCAN(X) \
6078d2c9	352	static GSList scan_##X(GSList options) { return scan(options, X); }
c8852687	353	#define HW_DEV_LIST(X) \
6078d2c9	354	static GSList *dev_list_##X(void) { return dev_list(X); }
3b412e3a UH	355	#define HW_DEV_CLEAR(X) \
3b412e3a UH	356	static int dev_clear_##X(void) { return dev_clear(X); }
c8852687	357	#define HW_DEV_ACQUISITION_START(X) \
6078d2c9 UH	358	static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
6078d2c9 UH	359	void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
c8852687	360	#define HW_DEV_OPEN(X) \
6078d2c9	361	static int dev_open_##X(struct sr_dev_inst *sdi) { return dev_open(sdi, X); }
c8852687 UH	362
	363	/* Driver structs and API function wrappers */
	364	#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
	365	HW_INIT(ID_UPPER) \
	366	HW_CLEANUP(ID_UPPER) \
	367	HW_SCAN(ID_UPPER) \
	368	HW_DEV_LIST(ID_UPPER) \
3b412e3a	369	HW_DEV_CLEAR(ID_UPPER) \
c8852687 UH	370	HW_DEV_ACQUISITION_START(ID_UPPER) \
	371	HW_DEV_OPEN(ID_UPPER) \
	372	SR_PRIV struct sr_dev_driver ID##_driver_info = { \
	373	.name = NAME, \
	374	.longname = LONGNAME, \
	375	.api_version = 1, \
6078d2c9 UH	376	.init = init_##ID_UPPER, \
	377	.cleanup = cleanup_##ID_UPPER, \
	378	.scan = scan_##ID_UPPER, \
	379	.dev_list = dev_list_##ID_UPPER, \
3b412e3a	380	.dev_clear = dev_clear_##ID_UPPER, \
c8852687 UH	381	.config_get = NULL, \
	382	.config_set = config_set, \
	383	.config_list = config_list, \
6078d2c9 UH	384	.dev_open = dev_open_##ID_UPPER, \
	385	.dev_close = dev_close, \
	386	.dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
	387	.dev_acquisition_stop = dev_acquisition_stop, \
c8852687	388	.priv = NULL, \
fdbcb86d UH	389	};
fdbcb86d UH	390
b6bad47c	391	DRV(tecpel_dmm_8061, TECPEL_DMM_8061, "tecpel-dmm-8061", "Tecpel DMM-8061")
a7a163a7 FK	392	DRV(uni_t_ut60a, UNI_T_UT60A, "uni-t-ut60a", "UNI-T UT60A")
a7a163a7 FK	393	DRV(uni_t_ut60e, UNI_T_UT60E, "uni-t-ut60e", "UNI-T UT60E")
5f985df2	394	DRV(uni_t_ut61c, UNI_T_UT61C, "uni-t-ut61c", "UNI-T UT61C")
c8852687	395	DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D")
bbef5e32	396	DRV(uni_t_ut61e, UNI_T_UT61E, "uni-t-ut61e", "UNI-T UT61E")
c8852687	397	DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820")
c1345749	398	DRV(voltcraft_vc830, VOLTCRAFT_VC830, "voltcraft-vc830", "Voltcraft VC-830")
695d0e1e	399	DRV(voltcraft_vc840, VOLTCRAFT_VC840, "voltcraft-vc840", "Voltcraft VC-840")
5e1f7c89	400	DRV(tenma_72_7745, TENMA_72_7745, "tenma-72-7745", "Tenma 72-7745")