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