[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_8060_driver_info;
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_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 dmm_info udmms[] = {
	{
		"Tecpel", "DMM-8060", 2400,
		FS9721_PACKET_SIZE, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		NULL,
		&tecpel_dmm_8060_driver_info, receive_data_TECPEL_DMM_8060,
	},
	{
		"Tecpel", "DMM-8061", 2400,
		FS9721_PACKET_SIZE, NULL,
		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, NULL,
		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, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c,
		&uni_t_ut60e_driver_info, receive_data_UNI_T_UT60E,
	},
	{
		"UNI-T", "UT61D", 2400,
		FS9922_PACKET_SIZE, NULL,
		sr_fs9922_packet_valid, sr_fs9922_parse,
		NULL,
		&uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D,
	},
	{
		"UNI-T", "UT61E", 19230,
		ES51922_PACKET_SIZE, NULL,
		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, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		NULL,
		&voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820,
	},
	{
		"Voltcraft", "VC-830", 2400,
		FS9922_PACKET_SIZE, NULL,
		sr_fs9922_packet_valid, sr_fs9922_parse,
		NULL,
		&voltcraft_vc830_driver_info, receive_data_VOLTCRAFT_VC830,
	},
	{
		"Voltcraft", "VC-840", 2400,
		FS9721_PACKET_SIZE, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c,
		&voltcraft_vc840_driver_info, receive_data_VOLTCRAFT_VC840,
	},
};

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)
		conn = UNI_T_UT_D04_NEW;

	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)
{
	struct dev_context *devc;

	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)
{
	(void)sdi;

	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_8060, TECPEL_DMM_8060, "tecpel-dmm-8060", "Tecpel DMM-8060")
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_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")
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
4554314c	40	SR_PRIV struct sr_dev_driver tecpel_dmm_8060_driver_info;
b6bad47c	41	SR_PRIV struct sr_dev_driver tecpel_dmm_8061_driver_info;
a7a163a7 FK	42	SR_PRIV struct sr_dev_driver uni_t_ut60a_driver_info;
a7a163a7 FK	43	SR_PRIV struct sr_dev_driver uni_t_ut60e_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;
6ac5f892	49
c8852687	50	SR_PRIV struct dmm_info udmms[] = {
4554314c UH	51	{
	52	"Tecpel", "DMM-8060", 2400,
	53	FS9721_PACKET_SIZE, NULL,
	54	sr_fs9721_packet_valid, sr_fs9721_parse,
	55	NULL,
	56	&tecpel_dmm_8060_driver_info, receive_data_TECPEL_DMM_8060,
	57	},
b6bad47c UH	58	{
	59	"Tecpel", "DMM-8061", 2400,
	60	FS9721_PACKET_SIZE, NULL,
	61	sr_fs9721_packet_valid, sr_fs9721_parse,
	62	sr_fs9721_00_temp_c,
	63	&tecpel_dmm_8061_driver_info, receive_data_TECPEL_DMM_8061,
	64	},
a7a163a7 FK	65	{
	66	"UNI-T", "UT60A", 2400,
	67	FS9721_PACKET_SIZE, NULL,
	68	sr_fs9721_packet_valid, sr_fs9721_parse,
	69	NULL,
	70	&uni_t_ut60a_driver_info, receive_data_UNI_T_UT60A,
	71	},
	72	{
	73	"UNI-T", "UT60E", 2400,
	74	FS9721_PACKET_SIZE, NULL,
	75	sr_fs9721_packet_valid, sr_fs9721_parse,
	76	sr_fs9721_00_temp_c,
	77	&uni_t_ut60e_driver_info, receive_data_UNI_T_UT60E,
	78	},
c8852687	79	{
767aae30	80	"UNI-T", "UT61D", 2400,
c8852687 UH	81	FS9922_PACKET_SIZE, NULL,
	82	sr_fs9922_packet_valid, sr_fs9922_parse,
	83	NULL,
	84	&uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D,
	85	},
bbef5e32 UH	86	{
	87	"UNI-T", "UT61E", 19230,
	88	ES51922_PACKET_SIZE, NULL,
	89	sr_es51922_packet_valid, sr_es51922_parse,
	90	NULL,
	91	&uni_t_ut61e_driver_info, receive_data_UNI_T_UT61E,
	92	},
c8852687	93	{
bc653a56	94	"Voltcraft", "VC-820", 2400,
c8852687 UH	95	FS9721_PACKET_SIZE, NULL,
	96	sr_fs9721_packet_valid, sr_fs9721_parse,
	97	NULL,
	98	&voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820,
	99	},
c1345749 UH	100	{
	101	"Voltcraft", "VC-830", 2400,
	102	FS9922_PACKET_SIZE, NULL,
	103	sr_fs9922_packet_valid, sr_fs9922_parse,
	104	NULL,
	105	&voltcraft_vc830_driver_info, receive_data_VOLTCRAFT_VC830,
	106	},
695d0e1e UH	107	{
	108	"Voltcraft", "VC-840", 2400,
	109	FS9721_PACKET_SIZE, NULL,
	110	sr_fs9721_packet_valid, sr_fs9721_parse,
2451a20f	111	sr_fs9721_00_temp_c,
695d0e1e UH	112	&voltcraft_vc840_driver_info, receive_data_VOLTCRAFT_VC840,
695d0e1e UH	113	},
c8852687	114	};
6ac5f892	115
3b412e3a	116	static int dev_clear(int dmm)
79081ec8	117	{
8dca646e	118	return std_dev_clear(udmms[dmm].di, NULL);
79081ec8 UH	119	}
79081ec8 UH	120
6078d2c9	121	static int init(struct sr_context *sr_ctx, int dmm)
79081ec8	122	{
c8852687	123	sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name);
6ac5f892	124
f6beaac5	125	return std_init(sr_ctx, udmms[dmm].di, LOG_PREFIX);
fdbcb86d UH	126	}
fdbcb86d UH	127
6078d2c9	128	static GSList scan(GSList options, int dmm)
79081ec8	129	{
388f9d3e	130	GSList usb_devices, devices, *l;
79081ec8	131	struct sr_dev_inst *sdi;
41d9427f	132	struct dev_context *devc;
79081ec8	133	struct drv_context *drvc;
388f9d3e	134	struct sr_usb_dev_inst *usb;
431ec7ca	135	struct sr_config *src;
41d9427f	136	struct sr_probe *probe;
388f9d3e	137	const char *conn;
79081ec8	138
c8852687	139	drvc = udmms[dmm].di->priv;
79081ec8	140
388f9d3e UH	141	conn = NULL;
388f9d3e UH	142	for (l = options; l; l = l->next) {
431ec7ca BV	143	src = l->data;
	144	switch (src->key) {
	145	case SR_CONF_CONN:
7d93a62e	146	conn = g_variant_get_string(src->data, NULL);
388f9d3e UH	147	break;
	148	}
	149	}
	150	if (!conn)
	151	conn = UNI_T_UT_D04_NEW;
41d9427f	152
388f9d3e UH	153	devices = NULL;
	154	if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
	155	g_slist_free_full(usb_devices, g_free);
79081ec8	156	return NULL;
388f9d3e	157	}
79081ec8	158
388f9d3e UH	159	for (l = usb_devices; l; l = l->next) {
388f9d3e UH	160	usb = l->data;
41d9427f UH	161
	162	if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
	163	sr_err("Device context malloc failed.");
	164	return NULL;
	165	}
	166
bc653a56 UH	167	devc->first_run = TRUE;
bc653a56 UH	168
388f9d3e	169	if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
c8852687	170	udmms[dmm].vendor, udmms[dmm].device, NULL))) {
41d9427f UH	171	sr_err("sr_dev_inst_new returned NULL.");
	172	return NULL;
	173	}
	174	sdi->priv = devc;
c8852687	175	sdi->driver = udmms[dmm].di;
41d9427f UH	176	if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
	177	return NULL;
	178	sdi->probes = g_slist_append(sdi->probes, probe);
388f9d3e	179
3ece1dff UH	180	sdi->inst_type = SR_INST_USB;
3ece1dff UH	181	sdi->conn = usb;
388f9d3e UH	182
388f9d3e UH	183	drvc->instances = g_slist_append(drvc->instances, sdi);
41d9427f	184	devices = g_slist_append(devices, sdi);
79081ec8 UH	185	}
	186
	187	return devices;
	188	}
	189
6078d2c9	190	static GSList *dev_list(int dmm)
79081ec8	191	{
bc653a56	192	return ((struct drv_context *)(udmms[dmm].di->priv))->instances;
79081ec8 UH	193	}
79081ec8 UH	194
6078d2c9	195	static int dev_open(struct sr_dev_inst *sdi, int dmm)
79081ec8	196	{
388f9d3e	197	struct drv_context *drvc;
3ece1dff	198	struct sr_usb_dev_inst *usb;
bc653a56	199	int ret;
41d9427f	200
c8852687	201	drvc = udmms[dmm].di->priv;
3ece1dff	202	usb = sdi->conn;
41d9427f	203
3ece1dff	204	if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK)
bc653a56	205	sdi->status = SR_ST_ACTIVE;
e73ffd42	206
bc653a56	207	return ret;
79081ec8 UH	208	}
79081ec8 UH	209
6078d2c9	210	static int dev_close(struct sr_dev_inst *sdi)
79081ec8 UH	211	{
	212	(void)sdi;
	213
	214	/* TODO */
	215
bc653a56	216	sdi->status = SR_ST_INACTIVE;
e73ffd42	217
79081ec8 UH	218	return SR_OK;
	219	}
	220
6078d2c9	221	static int cleanup(int dmm)
79081ec8	222	{
3b412e3a	223	return dev_clear(dmm);
79081ec8 UH	224	}
79081ec8 UH	225
7d93a62e	226	static int config_set(int id, GVariant data, const struct sr_dev_inst sdi)
79081ec8 UH	227	{
	228	struct dev_context *devc;
	229
	230	devc = sdi->priv;
	231
035a1078	232	switch (id) {
1953564a	233	case SR_CONF_LIMIT_MSEC:
7d93a62e	234	if (g_variant_get_uint64(data) == 0) {
79081ec8 UH	235	sr_err("Time limit cannot be 0.");
	236	return SR_ERR;
	237	}
7d93a62e	238	devc->limit_msec = g_variant_get_uint64(data);
79081ec8 UH	239	sr_dbg("Setting time limit to %" PRIu64 "ms.",
	240	devc->limit_msec);
	241	break;
1953564a	242	case SR_CONF_LIMIT_SAMPLES:
7d93a62e	243	if (g_variant_get_uint64(data) == 0) {
79081ec8 UH	244	sr_err("Sample limit cannot be 0.");
	245	return SR_ERR;
	246	}
7d93a62e	247	devc->limit_samples = g_variant_get_uint64(data);
79081ec8 UH	248	sr_dbg("Setting sample limit to %" PRIu64 ".",
	249	devc->limit_samples);
	250	break;
	251	default:
bd6fbf62	252	return SR_ERR_NA;
79081ec8 UH	253	}
	254
	255	return SR_OK;
	256	}
	257
7d93a62e	258	static int config_list(int key, GVariant *data, const struct sr_dev_inst sdi)
a1c743fc	259	{
a1c743fc BV	260	(void)sdi;
	261
	262	switch (key) {
0d485e30	263	case SR_CONF_SCAN_OPTIONS:
7d93a62e BV	264	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
7d93a62e BV	265	hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
0d485e30	266	break;
9a6517d1	267	case SR_CONF_DEVICE_OPTIONS:
7d93a62e BV	268	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
7d93a62e BV	269	hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
9a6517d1	270	break;
a1c743fc	271	default:
bd6fbf62	272	return SR_ERR_NA;
a1c743fc BV	273	}
	274
	275	return SR_OK;
	276	}
	277
6078d2c9	278	static int dev_acquisition_start(const struct sr_dev_inst *sdi,
c8852687	279	void *cb_data, int dmm)
79081ec8	280	{
79081ec8 UH	281	struct dev_context *devc;
	282
	283	devc = sdi->priv;
	284
79081ec8 UH	285	devc->cb_data = cb_data;
79081ec8 UH	286
c5ffac41 UH	287	devc->starttime = g_get_monotonic_time();
c5ffac41 UH	288
79081ec8	289	/* Send header packet to the session bus. */
29a27196	290	std_session_send_df_header(cb_data, LOG_PREFIX);
79081ec8	291
c8852687 UH	292	sr_source_add(0, 0, 10 /* poll_timeout */,
c8852687 UH	293	udmms[dmm].receive_data, (void *)sdi);
79081ec8 UH	294
	295	return SR_OK;
	296	}
	297
6078d2c9	298	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
79081ec8 UH	299	{
	300	struct sr_datafeed_packet packet;
	301
	302	(void)sdi;
	303
	304	sr_dbg("Stopping acquisition.");
	305
	306	/* Send end packet to the session bus. */
	307	sr_dbg("Sending SR_DF_END.");
	308	packet.type = SR_DF_END;
	309	sr_session_send(cb_data, &packet);
	310
	311	/* TODO? */
	312	sr_source_remove(0);
	313
	314	return SR_OK;
	315	}
	316
c8852687 UH	317	/* Driver-specific API function wrappers */
c8852687 UH	318	#define HW_INIT(X) \
6078d2c9	319	static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); }
c8852687	320	#define HW_CLEANUP(X) \
6078d2c9	321	static int cleanup_##X(void) { return cleanup(X); }
c8852687	322	#define HW_SCAN(X) \
6078d2c9	323	static GSList scan_##X(GSList options) { return scan(options, X); }
c8852687	324	#define HW_DEV_LIST(X) \
6078d2c9	325	static GSList *dev_list_##X(void) { return dev_list(X); }
3b412e3a UH	326	#define HW_DEV_CLEAR(X) \
3b412e3a UH	327	static int dev_clear_##X(void) { return dev_clear(X); }
c8852687	328	#define HW_DEV_ACQUISITION_START(X) \
6078d2c9 UH	329	static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
6078d2c9 UH	330	void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
c8852687	331	#define HW_DEV_OPEN(X) \
6078d2c9	332	static int dev_open_##X(struct sr_dev_inst *sdi) { return dev_open(sdi, X); }
c8852687 UH	333
	334	/* Driver structs and API function wrappers */
	335	#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
	336	HW_INIT(ID_UPPER) \
	337	HW_CLEANUP(ID_UPPER) \
	338	HW_SCAN(ID_UPPER) \
	339	HW_DEV_LIST(ID_UPPER) \
3b412e3a	340	HW_DEV_CLEAR(ID_UPPER) \
c8852687 UH	341	HW_DEV_ACQUISITION_START(ID_UPPER) \
	342	HW_DEV_OPEN(ID_UPPER) \
	343	SR_PRIV struct sr_dev_driver ID##_driver_info = { \
	344	.name = NAME, \
	345	.longname = LONGNAME, \
	346	.api_version = 1, \
6078d2c9 UH	347	.init = init_##ID_UPPER, \
	348	.cleanup = cleanup_##ID_UPPER, \
	349	.scan = scan_##ID_UPPER, \
	350	.dev_list = dev_list_##ID_UPPER, \
3b412e3a	351	.dev_clear = dev_clear_##ID_UPPER, \
c8852687 UH	352	.config_get = NULL, \
	353	.config_set = config_set, \
	354	.config_list = config_list, \
6078d2c9 UH	355	.dev_open = dev_open_##ID_UPPER, \
	356	.dev_close = dev_close, \
	357	.dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
	358	.dev_acquisition_stop = dev_acquisition_stop, \
c8852687	359	.priv = NULL, \
fdbcb86d UH	360	};
fdbcb86d UH	361
4554314c	362	DRV(tecpel_dmm_8060, TECPEL_DMM_8060, "tecpel-dmm-8060", "Tecpel DMM-8060")
b6bad47c	363	DRV(tecpel_dmm_8061, TECPEL_DMM_8061, "tecpel-dmm-8061", "Tecpel DMM-8061")
a7a163a7 FK	364	DRV(uni_t_ut60a, UNI_T_UT60A, "uni-t-ut60a", "UNI-T UT60A")
a7a163a7 FK	365	DRV(uni_t_ut60e, UNI_T_UT60E, "uni-t-ut60e", "UNI-T UT60E")
c8852687	366	DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D")
bbef5e32	367	DRV(uni_t_ut61e, UNI_T_UT61E, "uni-t-ut61e", "UNI-T UT61E")
c8852687	368	DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820")
c1345749	369	DRV(voltcraft_vc830, VOLTCRAFT_VC830, "voltcraft-vc830", "Voltcraft VC-830")
695d0e1e	370	DRV(voltcraft_vc840, VOLTCRAFT_VC840, "voltcraft-vc840", "Voltcraft VC-840")