[libsigrok.git] / src / hardware / atten-pps3xxx / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2014 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 <string.h>
#include <errno.h>
#include "protocol.h"

/*
 * The default serial communication settings on the device are 9600
 * baud, 9 data bits. The 9th bit isn't actually used, and the vendor
 * software uses Mark parity to absorb the extra bit.
 *
 * Since 9 data bits is not a standard available in POSIX, we use two
 * stop bits to skip over the extra bit instead.
 */
#define SERIALCOMM "9600/8n2"

static const uint32_t scanopts[] = {
	SR_CONF_CONN,
	SR_CONF_SERIALCOMM,
};

static const uint32_t drvopts[] = {
	SR_CONF_POWER_SUPPLY,
};

static const uint32_t devopts[] = {
	SR_CONF_CONTINUOUS | SR_CONF_SET,
	SR_CONF_OUTPUT_CHANNEL_CONFIG | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_GET | SR_CONF_SET,
};

static const uint32_t devopts_cg[] = {
	SR_CONF_OUTPUT_VOLTAGE | SR_CONF_GET,
	SR_CONF_OUTPUT_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_OUTPUT_CURRENT | SR_CONF_GET,
	SR_CONF_OUTPUT_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_OUTPUT_ENABLED | SR_CONF_GET | SR_CONF_SET,
};

static const char *channel_modes[] = {
	"Independent",
	"Series",
	"Parallel",
};

static struct pps_model models[] = {
	{ PPS_3203T_3S, "PPS3203T-3S",
		CHANMODE_INDEPENDENT | CHANMODE_SERIES | CHANMODE_PARALLEL,
		3,
		{
			/* Channel 1 */
			{ { 0, 32, 0.01 }, { 0, 3, 0.001 } },
			/* Channel 2 */
			{ { 0, 32, 0.01 }, { 0, 3, 0.001 } },
			/* Channel 3 */
			{ { 0, 6, 0.01 }, { 0, 3, 0.001 } },
		},
	},
};


SR_PRIV struct sr_dev_driver atten_pps3203_driver_info;
static struct sr_dev_driver *di = &atten_pps3203_driver_info;

static int init(struct sr_context *sr_ctx)
{
	return std_init(sr_ctx, di, LOG_PREFIX);
}

static GSList *scan(GSList *options, int modelid)
{
	struct sr_dev_inst *sdi;
	struct drv_context *drvc;
	struct dev_context *devc;
	struct sr_config *src;
	struct sr_channel *ch;
	struct sr_channel_group *cg;
	struct sr_serial_dev_inst *serial;
	GSList *l, *devices;
	struct pps_model *model;
	uint8_t packet[PACKET_SIZE];
	unsigned int i;
	int delay_ms, ret;
	const char *conn, *serialcomm;
	char channel[10];

	devices = NULL;
	drvc = di->priv;
	drvc->instances = NULL;

	conn = serialcomm = 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;
		case SR_CONF_SERIALCOMM:
			serialcomm = g_variant_get_string(src->data, NULL);
			break;
		}
	}
	if (!conn)
		return NULL;
	if (!serialcomm)
		serialcomm = SERIALCOMM;

	serial = sr_serial_dev_inst_new(conn, serialcomm);

	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
		return NULL;

	serial_flush(serial);

	/* This is how the vendor software scans for hardware. */
	memset(packet, 0, PACKET_SIZE);
	packet[0] = 0xaa;
	packet[1] = 0xaa;
	delay_ms = serial_timeout(serial, PACKET_SIZE);
	if (serial_write_blocking(serial, packet, PACKET_SIZE, delay_ms) < PACKET_SIZE) {
		sr_err("Unable to write while probing for hardware.");
		return NULL;
	}
	/* The device responds with a 24-byte packet when it receives a packet.
	 * At 9600 baud, 300ms is long enough for it to have arrived. */
	g_usleep(300 * 1000);
	memset(packet, 0, PACKET_SIZE);
	if ((ret = serial_read_nonblocking(serial, packet, PACKET_SIZE)) < 0) {
		sr_err("Unable to read while probing for hardware: %s",
				strerror(errno));
		return NULL;
	}
	if (ret != PACKET_SIZE || packet[0] != 0xaa || packet[1] != 0xaa) {
		/* Doesn't look like an Atten PPS. */
		return NULL;
	}

	model = NULL;
	for (i = 0; i < ARRAY_SIZE(models); i++) {
		if (models[i].modelid == modelid) {
			model = &models[i];
			break;
		}
	}
	if (!model) {
		sr_err("Unknown modelid %d", modelid);
		return NULL;
	}

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup("Atten");
	sdi->model = g_strdup(model->name);
	sdi->driver = di;
	sdi->inst_type = SR_INST_SERIAL;
	sdi->conn = serial;
	for (i = 0; i < MAX_CHANNELS; i++) {
		snprintf(channel, 10, "CH%d", i + 1);
		ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel);
		cg = g_malloc(sizeof(struct sr_channel_group));
		cg->name = g_strdup(channel);
		cg->channels = g_slist_append(NULL, ch);
		cg->priv = NULL;
		sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
	}

	devc = g_malloc0(sizeof(struct dev_context));
	devc->model = model;
	devc->config = g_malloc0(sizeof(struct per_channel_config) * model->num_channels);
	devc->delay_ms = delay_ms;
	sdi->priv = devc;
	drvc->instances = g_slist_append(drvc->instances, sdi);
	devices = g_slist_append(devices, sdi);

	serial_close(serial);
	if (!devices)
		sr_serial_dev_inst_free(serial);

	return devices;
}

static GSList *scan_3203(GSList *options)
{
	return scan(options, PPS_3203T_3S);
}

static GSList *dev_list(void)
{
	return ((struct drv_context *)(di->priv))->instances;
}

static int cleanup(void)
{
	return std_dev_clear(di, NULL);
}

static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;
	struct sr_channel *ch;
	int channel, ret;

	if (!sdi)
		return SR_ERR_ARG;

	devc = sdi->priv;

	ret = SR_OK;
	if (!cg) {
		/* No channel group: global options. */
		switch (key) {
		case SR_CONF_OUTPUT_CHANNEL_CONFIG:
			*data = g_variant_new_string(channel_modes[devc->channel_mode]);
			break;
		case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
			*data = g_variant_new_boolean(devc->over_current_protection);
			break;
		default:
			return SR_ERR_NA;
		}
	} else {
		/* We only ever have one channel per channel group in this driver. */
		ch = cg->channels->data;
		channel = ch->index;

		switch (key) {
		case SR_CONF_OUTPUT_VOLTAGE:
			*data = g_variant_new_double(devc->config[channel].output_voltage_last);
			break;
		case SR_CONF_OUTPUT_VOLTAGE_TARGET:
			*data = g_variant_new_double(devc->config[channel].output_voltage_max);
			break;
		case SR_CONF_OUTPUT_CURRENT:
			*data = g_variant_new_double(devc->config[channel].output_current_last);
			break;
		case SR_CONF_OUTPUT_CURRENT_LIMIT:
			*data = g_variant_new_double(devc->config[channel].output_current_max);
			break;
		case SR_CONF_OUTPUT_ENABLED:
			*data = g_variant_new_boolean(devc->config[channel].output_enabled);
			break;
		default:
			return SR_ERR_NA;
		}
	}

	return ret;
}

static int find_str(const char *str, const char **strings, int array_size)
{
	int idx, i;

	idx = -1;
	for (i = 0; i < array_size; i++) {
		if (!strcmp(str, strings[i])) {
			idx = i;
			break;
		}
	}

	return idx;
}

static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;
	struct sr_channel *ch;
	gdouble dval;
	int channel, ret, ival;
	const char *sval;
	gboolean bval;

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

	ret = SR_OK;
	devc = sdi->priv;
	if (!cg) {
		/* No channel group: global options. */
		switch (key) {
		case SR_CONF_OUTPUT_CHANNEL_CONFIG:
			sval = g_variant_get_string(data, NULL);
			if ((ival = find_str(sval, channel_modes,
							ARRAY_SIZE(channel_modes))) == -1) {
				ret = SR_ERR_ARG;
				break;
			}
			if (devc->model->channel_modes && (1 << ival) == 0) {
				/* Not supported on this model. */
				ret = SR_ERR_ARG;
			}
			if (ival == devc->channel_mode_set)
				/* Nothing to do. */
				break;
			devc->channel_mode_set = ival;
			devc->config_dirty = TRUE;
			break;
		case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
			bval = g_variant_get_boolean(data);
			if (bval == devc->over_current_protection_set)
				/* Nothing to do. */
				break;
			devc->over_current_protection_set = bval;
			devc->config_dirty = TRUE;
			break;
		default:
			return SR_ERR_NA;
		}
	} else {
		/* Channel group specified: per-channel options. */
		/* We only ever have one channel per channel group in this driver. */
		ch = cg->channels->data;
		channel = ch->index;

		switch (key) {
		case SR_CONF_OUTPUT_VOLTAGE_TARGET:
			dval = g_variant_get_double(data);
			if (dval < 0 || dval > devc->model->channels[channel].voltage[1])
				ret = SR_ERR_ARG;
			devc->config[channel].output_voltage_max = dval;
			devc->config_dirty = TRUE;
			break;
		case SR_CONF_OUTPUT_CURRENT_LIMIT:
			dval = g_variant_get_double(data);
			if (dval < 0 || dval > devc->model->channels[channel].current[1])
				ret = SR_ERR_ARG;
			devc->config[channel].output_current_max = dval;
			devc->config_dirty = TRUE;
			break;
		case SR_CONF_OUTPUT_ENABLED:
			bval = g_variant_get_boolean(data);
			if (bval == devc->config[channel].output_enabled_set)
				/* Nothing to do. */
				break;
			devc->config[channel].output_enabled_set = bval;
			devc->config_dirty = TRUE;
			break;
		default:
			ret = SR_ERR_NA;
		}
	}


	return ret;
}

static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;
	struct sr_channel *ch;
	GVariant *gvar;
	GVariantBuilder gvb;
	int channel, ret, i;

	/* Always available. */
	if (key == SR_CONF_SCAN_OPTIONS) {
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
		return SR_OK;
	}

	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
		return SR_OK;
	}

	if (!sdi)
		return SR_ERR_ARG;

	devc = sdi->priv;
	ret = SR_OK;
	if (!cg) {
		/* No channel group: global options. */
		switch (key) {
		case SR_CONF_DEVICE_OPTIONS:
			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
					devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
			break;
		case SR_CONF_OUTPUT_CHANNEL_CONFIG:
			if (devc->model->channel_modes == CHANMODE_INDEPENDENT) {
				/* The 1-channel models. */
				*data = g_variant_new_strv(channel_modes, 1);
			} else {
				/* The other models support all modes. */
				*data = g_variant_new_strv(channel_modes, ARRAY_SIZE(channel_modes));
			}
			break;
		default:
			return SR_ERR_NA;
		}
	} else {
		/* Channel group specified: per-channel options. */
		if (!sdi)
			return SR_ERR_ARG;
		/* We only ever have one channel per channel group in this driver. */
		ch = cg->channels->data;
		channel = ch->index;

		switch (key) {
		case SR_CONF_DEVICE_OPTIONS:
			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
					devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t));
			break;
		case SR_CONF_OUTPUT_VOLTAGE_TARGET:
			g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
			/* Min, max, step. */
			for (i = 0; i < 3; i++) {
				gvar = g_variant_new_double(devc->model->channels[channel].voltage[i]);
				g_variant_builder_add_value(&gvb, gvar);
			}
			*data = g_variant_builder_end(&gvb);
			break;
		case SR_CONF_OUTPUT_CURRENT_LIMIT:
			g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
			/* Min, max, step. */
			for (i = 0; i < 3; i++) {
				gvar = g_variant_new_double(devc->model->channels[channel].current[i]);
				g_variant_builder_add_value(&gvb, gvar);
			}
			*data = g_variant_builder_end(&gvb);
			break;
		default:
			return SR_ERR_NA;
		}
	}

	return ret;
}

static int dev_close(struct sr_dev_inst *sdi)
{
	struct dev_context *devc;

	devc = sdi->priv;
	if (devc->config_dirty)
		/* Some configuration changes were queued up but didn't
		 * get sent to the device, likely because we were never
		 * in acquisition mode. Send them out now. */
		send_config(sdi);

	return std_serial_dev_close(sdi);
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi,
		void *cb_data)
{
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;
	uint8_t packet[PACKET_SIZE];

	(void)cb_data;

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

	devc = sdi->priv;
	memset(devc->packet, 0x44, PACKET_SIZE);
	devc->packet_size = 0;

	devc->acquisition_running = TRUE;

	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 50,
			atten_pps3xxx_receive_data, (void *)sdi);
	std_session_send_df_header(cb_data, LOG_PREFIX);

	/* Send a "channel" configuration packet now. */
	memset(packet, 0, PACKET_SIZE);
	packet[0] = 0xaa;
	packet[1] = 0xaa;
	send_packet(sdi, packet);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
	struct dev_context *devc;

	(void)cb_data;

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

	devc = sdi->priv;
	devc->acquisition_running = FALSE;

	return SR_OK;
}

SR_PRIV struct sr_dev_driver atten_pps3203_driver_info = {
	.name = "atten-pps3203",
	.longname = "Atten PPS3203T-3S",
	.api_version = 1,
	.init = init,
	.cleanup = cleanup,
	.scan = scan_3203,
	.dev_list = dev_list,
	.dev_clear = NULL,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = std_serial_dev_open,
	.dev_close = dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = dev_acquisition_stop,
	.priv = NULL,
};
Commit	Line	Data
fa0d6afe BV	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2014 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
33c40990 BV	20	#include <string.h>
33c40990 BV	21	#include <errno.h>
fa0d6afe BV	22	#include "protocol.h"
fa0d6afe BV	23
33c40990 BV	24	/*
	25	* The default serial communication settings on the device are 9600
	26	* baud, 9 data bits. The 9th bit isn't actually used, and the vendor
	27	* software uses Mark parity to absorb the extra bit.
	28	*
	29	* Since 9 data bits is not a standard available in POSIX, we use two
	30	* stop bits to skip over the extra bit instead.
	31	*/
	32	#define SERIALCOMM "9600/8n2"
	33
584560f1	34	static const uint32_t scanopts[] = {
33c40990 BV	35	SR_CONF_CONN,
	36	SR_CONF_SERIALCOMM,
	37	};
	38
1f889afd	39	static const uint32_t drvopts[] = {
33c40990	40	SR_CONF_POWER_SUPPLY,
d6fa8ace BV	41	};
d6fa8ace BV	42
1f889afd BV	43	static const uint32_t devopts[] = {
1f889afd BV	44	SR_CONF_CONTINUOUS \| SR_CONF_SET,
5827f61b BV	45	SR_CONF_OUTPUT_CHANNEL_CONFIG \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
5827f61b BV	46	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
33c40990 BV	47	};
33c40990 BV	48
584560f1	49	static const uint32_t devopts_cg[] = {
5827f61b	50	SR_CONF_OUTPUT_VOLTAGE \| SR_CONF_GET,
ca95e90f	51	SR_CONF_OUTPUT_VOLTAGE_TARGET \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
5827f61b	52	SR_CONF_OUTPUT_CURRENT \| SR_CONF_GET,
ca95e90f	53	SR_CONF_OUTPUT_CURRENT_LIMIT \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
5827f61b	54	SR_CONF_OUTPUT_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
33c40990 BV	55	};
	56
	57	static const char *channel_modes[] = {
	58	"Independent",
	59	"Series",
	60	"Parallel",
	61	};
	62
	63	static struct pps_model models[] = {
	64	{ PPS_3203T_3S, "PPS3203T-3S",
	65	CHANMODE_INDEPENDENT \| CHANMODE_SERIES \| CHANMODE_PARALLEL,
	66	3,
	67	{
	68	/* Channel 1 */
	69	{ { 0, 32, 0.01 }, { 0, 3, 0.001 } },
	70	/* Channel 2 */
	71	{ { 0, 32, 0.01 }, { 0, 3, 0.001 } },
	72	/* Channel 3 */
	73	{ { 0, 6, 0.01 }, { 0, 3, 0.001 } },
	74	},
	75	},
	76	};
	77
	78
	79	SR_PRIV struct sr_dev_driver atten_pps3203_driver_info;
	80	static struct sr_dev_driver *di = &atten_pps3203_driver_info;
fa0d6afe BV	81
	82	static int init(struct sr_context *sr_ctx)
	83	{
	84	return std_init(sr_ctx, di, LOG_PREFIX);
	85	}
	86
33c40990	87	static GSList scan(GSList options, int modelid)
fa0d6afe	88	{
33c40990	89	struct sr_dev_inst *sdi;
fa0d6afe	90	struct drv_context *drvc;
33c40990 BV	91	struct dev_context *devc;
33c40990 BV	92	struct sr_config *src;
ba7dd8bb	93	struct sr_channel *ch;
40fd0264	94	struct sr_channel_group *cg;
33c40990 BV	95	struct sr_serial_dev_inst *serial;
	96	GSList l, devices;
	97	struct pps_model *model;
	98	uint8_t packet[PACKET_SIZE];
	99	unsigned int i;
2eb1612d	100	int delay_ms, ret;
33c40990 BV	101	const char conn, serialcomm;
33c40990 BV	102	char channel[10];
fa0d6afe BV	103
	104	devices = NULL;
	105	drvc = di->priv;
	106	drvc->instances = NULL;
	107
33c40990 BV	108	conn = serialcomm = NULL;
	109	for (l = options; l; l = l->next) {
	110	src = l->data;
	111	switch (src->key) {
	112	case SR_CONF_CONN:
	113	conn = g_variant_get_string(src->data, NULL);
	114	break;
	115	case SR_CONF_SERIALCOMM:
	116	serialcomm = g_variant_get_string(src->data, NULL);
	117	break;
	118	}
	119	}
	120	if (!conn)
	121	return NULL;
	122	if (!serialcomm)
	123	serialcomm = SERIALCOMM;
	124
91219afc	125	serial = sr_serial_dev_inst_new(conn, serialcomm);
33c40990	126
5305266a	127	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
33c40990	128	return NULL;
91219afc	129
33c40990 BV	130	serial_flush(serial);
33c40990 BV	131
945cfd4f	132	/* This is how the vendor software scans for hardware. */
33c40990 BV	133	memset(packet, 0, PACKET_SIZE);
	134	packet[0] = 0xaa;
	135	packet[1] = 0xaa;
2eb1612d BV	136	delay_ms = serial_timeout(serial, PACKET_SIZE);
2eb1612d BV	137	if (serial_write_blocking(serial, packet, PACKET_SIZE, delay_ms) < PACKET_SIZE) {
081c214e	138	sr_err("Unable to write while probing for hardware.");
33c40990 BV	139	return NULL;
	140	}
	141	/* The device responds with a 24-byte packet when it receives a packet.
	142	* At 9600 baud, 300ms is long enough for it to have arrived. */
	143	g_usleep(300 * 1000);
	144	memset(packet, 0, PACKET_SIZE);
	145	if ((ret = serial_read_nonblocking(serial, packet, PACKET_SIZE)) < 0) {
	146	sr_err("Unable to read while probing for hardware: %s",
	147	strerror(errno));
	148	return NULL;
	149	}
	150	if (ret != PACKET_SIZE \|\| packet[0] != 0xaa \|\| packet[1] != 0xaa) {
	151	/* Doesn't look like an Atten PPS. */
	152	return NULL;
	153	}
	154
	155	model = NULL;
	156	for (i = 0; i < ARRAY_SIZE(models); i++) {
	157	if (models[i].modelid == modelid) {
	158	model = &models[i];
	159	break;
	160	}
	161	}
	162	if (!model) {
	163	sr_err("Unknown modelid %d", modelid);
	164	return NULL;
	165	}
	166
aac29cc1	167	sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be UH	168	sdi->status = SR_ST_INACTIVE;
	169	sdi->vendor = g_strdup("Atten");
	170	sdi->model = g_strdup(model->name);
33c40990 BV	171	sdi->driver = di;
	172	sdi->inst_type = SR_INST_SERIAL;
	173	sdi->conn = serial;
	174	for (i = 0; i < MAX_CHANNELS; i++) {
	175	snprintf(channel, 10, "CH%d", i + 1);
5e23fcab	176	ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel);
40fd0264 UH	177	cg = g_malloc(sizeof(struct sr_channel_group));
40fd0264 UH	178	cg->name = g_strdup(channel);
ba7dd8bb	179	cg->channels = g_slist_append(NULL, ch);
40fd0264 UH	180	cg->priv = NULL;
40fd0264 UH	181	sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
33c40990 BV	182	}
	183
	184	devc = g_malloc0(sizeof(struct dev_context));
	185	devc->model = model;
	186	devc->config = g_malloc0(sizeof(struct per_channel_config) * model->num_channels);
2eb1612d	187	devc->delay_ms = delay_ms;
33c40990 BV	188	sdi->priv = devc;
	189	drvc->instances = g_slist_append(drvc->instances, sdi);
	190	devices = g_slist_append(devices, sdi);
	191
	192	serial_close(serial);
	193	if (!devices)
	194	sr_serial_dev_inst_free(serial);
fa0d6afe BV	195
	196	return devices;
	197	}
	198
33c40990 BV	199	static GSList scan_3203(GSList options)
	200	{
	201	return scan(options, PPS_3203T_3S);
	202	}
	203
fa0d6afe BV	204	static GSList *dev_list(void)
	205	{
	206	return ((struct drv_context *)(di->priv))->instances;
	207	}
	208
fa0d6afe BV	209	static int cleanup(void)
fa0d6afe BV	210	{
a6630742	211	return std_dev_clear(di, NULL);
fa0d6afe BV	212	}
fa0d6afe BV	213
584560f1	214	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	215	const struct sr_channel_group *cg)
fa0d6afe	216	{
33c40990	217	struct dev_context *devc;
ba7dd8bb	218	struct sr_channel *ch;
33c40990 BV	219	int channel, ret;
	220
	221	if (!sdi)
	222	return SR_ERR_ARG;
fa0d6afe	223
33c40990	224	devc = sdi->priv;
fa0d6afe BV	225
fa0d6afe BV	226	ret = SR_OK;
53b4680f	227	if (!cg) {
660e398f	228	/* No channel group: global options. */
33c40990	229	switch (key) {
a1eaa9e0	230	case SR_CONF_OUTPUT_CHANNEL_CONFIG:
fe997353	231	*data = g_variant_new_string(channel_modes[devc->channel_mode]);
33c40990	232	break;
a1eaa9e0	233	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
33c40990 BV	234	*data = g_variant_new_boolean(devc->over_current_protection);
	235	break;
	236	default:
	237	return SR_ERR_NA;
	238	}
	239	} else {
660e398f	240	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	241	ch = cg->channels->data;
ba7dd8bb UH	242	channel = ch->index;
33c40990 BV	243
	244	switch (key) {
	245	case SR_CONF_OUTPUT_VOLTAGE:
	246	*data = g_variant_new_double(devc->config[channel].output_voltage_last);
	247	break;
ca95e90f	248	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
33c40990 BV	249	*data = g_variant_new_double(devc->config[channel].output_voltage_max);
	250	break;
	251	case SR_CONF_OUTPUT_CURRENT:
	252	*data = g_variant_new_double(devc->config[channel].output_current_last);
	253	break;
ca95e90f	254	case SR_CONF_OUTPUT_CURRENT_LIMIT:
33c40990 BV	255	*data = g_variant_new_double(devc->config[channel].output_current_max);
	256	break;
	257	case SR_CONF_OUTPUT_ENABLED:
	258	*data = g_variant_new_boolean(devc->config[channel].output_enabled);
	259	break;
	260	default:
	261	return SR_ERR_NA;
	262	}
fa0d6afe BV	263	}
	264
	265	return ret;
	266	}
	267
33c40990 BV	268	static int find_str(const char str, const char *strings, int array_size)
	269	{
	270	int idx, i;
	271
	272	idx = -1;
	273	for (i = 0; i < array_size; i++) {
	274	if (!strcmp(str, strings[i])) {
	275	idx = i;
	276	break;
	277	}
	278	}
	279
	280	return idx;
	281	}
	282
584560f1	283	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	284	const struct sr_channel_group *cg)
fa0d6afe	285	{
33c40990	286	struct dev_context *devc;
ba7dd8bb	287	struct sr_channel *ch;
33c40990 BV	288	gdouble dval;
	289	int channel, ret, ival;
	290	const char *sval;
	291	gboolean bval;
fa0d6afe BV	292
	293	if (sdi->status != SR_ST_ACTIVE)
	294	return SR_ERR_DEV_CLOSED;
	295
	296	ret = SR_OK;
33c40990	297	devc = sdi->priv;
53b4680f	298	if (!cg) {
660e398f	299	/* No channel group: global options. */
33c40990	300	switch (key) {
a1eaa9e0	301	case SR_CONF_OUTPUT_CHANNEL_CONFIG:
33c40990 BV	302	sval = g_variant_get_string(data, NULL);
	303	if ((ival = find_str(sval, channel_modes,
	304	ARRAY_SIZE(channel_modes))) == -1) {
	305	ret = SR_ERR_ARG;
	306	break;
	307	}
	308	if (devc->model->channel_modes && (1 << ival) == 0) {
	309	/* Not supported on this model. */
	310	ret = SR_ERR_ARG;
	311	}
	312	if (ival == devc->channel_mode_set)
	313	/* Nothing to do. */
	314	break;
	315	devc->channel_mode_set = ival;
ab988ecb	316	devc->config_dirty = TRUE;
33c40990	317	break;
a1eaa9e0	318	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
33c40990 BV	319	bval = g_variant_get_boolean(data);
	320	if (bval == devc->over_current_protection_set)
	321	/* Nothing to do. */
	322	break;
	323	devc->over_current_protection_set = bval;
ab988ecb	324	devc->config_dirty = TRUE;
33c40990 BV	325	break;
	326	default:
	327	return SR_ERR_NA;
	328	}
	329	} else {
660e398f UH	330	/* Channel group specified: per-channel options. */
660e398f UH	331	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	332	ch = cg->channels->data;
ba7dd8bb UH	333	channel = ch->index;
33c40990 BV	334
33c40990 BV	335	switch (key) {
ca95e90f	336	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
33c40990 BV	337	dval = g_variant_get_double(data);
	338	if (dval < 0 \|\| dval > devc->model->channels[channel].voltage[1])
	339	ret = SR_ERR_ARG;
	340	devc->config[channel].output_voltage_max = dval;
ab988ecb	341	devc->config_dirty = TRUE;
33c40990	342	break;
ca95e90f	343	case SR_CONF_OUTPUT_CURRENT_LIMIT:
33c40990 BV	344	dval = g_variant_get_double(data);
	345	if (dval < 0 \|\| dval > devc->model->channels[channel].current[1])
	346	ret = SR_ERR_ARG;
	347	devc->config[channel].output_current_max = dval;
ab988ecb	348	devc->config_dirty = TRUE;
33c40990 BV	349	break;
	350	case SR_CONF_OUTPUT_ENABLED:
	351	bval = g_variant_get_boolean(data);
	352	if (bval == devc->config[channel].output_enabled_set)
	353	/* Nothing to do. */
	354	break;
	355	devc->config[channel].output_enabled_set = bval;
ab988ecb	356	devc->config_dirty = TRUE;
33c40990 BV	357	break;
	358	default:
	359	ret = SR_ERR_NA;
	360	}
fa0d6afe BV	361	}
fa0d6afe BV	362
33c40990	363
fa0d6afe BV	364	return ret;
	365	}
	366
584560f1	367	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	368	const struct sr_channel_group *cg)
fa0d6afe	369	{
33c40990	370	struct dev_context *devc;
ba7dd8bb	371	struct sr_channel *ch;
33c40990 BV	372	GVariant *gvar;
	373	GVariantBuilder gvb;
	374	int channel, ret, i;
	375
d6fa8ace	376	/* Always available. */
33c40990	377	if (key == SR_CONF_SCAN_OPTIONS) {
584560f1 BV	378	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
584560f1 BV	379	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
33c40990 BV	380	return SR_OK;
	381	}
	382
d6fa8ace BV	383	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
d6fa8ace BV	384	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
1f889afd	385	drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
d6fa8ace BV	386	return SR_OK;
	387	}
	388
e22aa878 BV	389	if (!sdi)
e22aa878 BV	390	return SR_ERR_ARG;
fa0d6afe	391
d6fa8ace	392	devc = sdi->priv;
fa0d6afe	393	ret = SR_OK;
53b4680f	394	if (!cg) {
660e398f	395	/* No channel group: global options. */
33c40990 BV	396	switch (key) {
33c40990 BV	397	case SR_CONF_DEVICE_OPTIONS:
584560f1	398	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
1f889afd	399	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
33c40990	400	break;
a1eaa9e0	401	case SR_CONF_OUTPUT_CHANNEL_CONFIG:
33c40990 BV	402	if (devc->model->channel_modes == CHANMODE_INDEPENDENT) {
	403	/* The 1-channel models. */
	404	*data = g_variant_new_strv(channel_modes, 1);
	405	} else {
	406	/* The other models support all modes. */
	407	*data = g_variant_new_strv(channel_modes, ARRAY_SIZE(channel_modes));
	408	}
	409	break;
	410	default:
	411	return SR_ERR_NA;
	412	}
	413	} else {
660e398f	414	/* Channel group specified: per-channel options. */
33c40990 BV	415	if (!sdi)
33c40990 BV	416	return SR_ERR_ARG;
660e398f	417	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	418	ch = cg->channels->data;
ba7dd8bb UH	419	channel = ch->index;
33c40990 BV	420
	421	switch (key) {
	422	case SR_CONF_DEVICE_OPTIONS:
584560f1 BV	423	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
584560f1 BV	424	devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t));
33c40990	425	break;
ca95e90f	426	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
33c40990 BV	427	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	428	/* Min, max, step. */
	429	for (i = 0; i < 3; i++) {
	430	gvar = g_variant_new_double(devc->model->channels[channel].voltage[i]);
	431	g_variant_builder_add_value(&gvb, gvar);
	432	}
	433	*data = g_variant_builder_end(&gvb);
	434	break;
ca95e90f	435	case SR_CONF_OUTPUT_CURRENT_LIMIT:
33c40990 BV	436	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	437	/* Min, max, step. */
	438	for (i = 0; i < 3; i++) {
	439	gvar = g_variant_new_double(devc->model->channels[channel].current[i]);
	440	g_variant_builder_add_value(&gvb, gvar);
	441	}
	442	*data = g_variant_builder_end(&gvb);
	443	break;
	444	default:
	445	return SR_ERR_NA;
	446	}
fa0d6afe BV	447	}
	448
	449	return ret;
	450	}
	451
ab988ecb BV	452	static int dev_close(struct sr_dev_inst *sdi)
	453	{
	454	struct dev_context *devc;
	455
	456	devc = sdi->priv;
	457	if (devc->config_dirty)
	458	/* Some configuration changes were queued up but didn't
	459	* get sent to the device, likely because we were never
	460	* in acquisition mode. Send them out now. */
	461	send_config(sdi);
	462
	463	return std_serial_dev_close(sdi);
	464	}
	465
fa0d6afe	466	static int dev_acquisition_start(const struct sr_dev_inst *sdi,
33c40990	467	void *cb_data)
fa0d6afe	468	{
33c40990 BV	469	struct dev_context *devc;
	470	struct sr_serial_dev_inst *serial;
	471	uint8_t packet[PACKET_SIZE];
	472
fa0d6afe BV	473	(void)cb_data;
	474
	475	if (sdi->status != SR_ST_ACTIVE)
	476	return SR_ERR_DEV_CLOSED;
	477
33c40990 BV	478	devc = sdi->priv;
	479	memset(devc->packet, 0x44, PACKET_SIZE);
	480	devc->packet_size = 0;
	481
	482	devc->acquisition_running = TRUE;
	483
	484	serial = sdi->conn;
102f1239 BV	485	serial_source_add(sdi->session, serial, G_IO_IN, 50,
102f1239 BV	486	atten_pps3xxx_receive_data, (void *)sdi);
33c40990 BV	487	std_session_send_df_header(cb_data, LOG_PREFIX);
33c40990 BV	488
ba7dd8bb	489	/* Send a "channel" configuration packet now. */
33c40990 BV	490	memset(packet, 0, PACKET_SIZE);
	491	packet[0] = 0xaa;
	492	packet[1] = 0xaa;
	493	send_packet(sdi, packet);
fa0d6afe BV	494
	495	return SR_OK;
	496	}
	497
	498	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	499	{
33c40990 BV	500	struct dev_context *devc;
33c40990 BV	501
fa0d6afe BV	502	(void)cb_data;
	503
	504	if (sdi->status != SR_ST_ACTIVE)
	505	return SR_ERR_DEV_CLOSED;
	506
33c40990 BV	507	devc = sdi->priv;
33c40990 BV	508	devc->acquisition_running = FALSE;
fa0d6afe BV	509
	510	return SR_OK;
	511	}
	512
33c40990 BV	513	SR_PRIV struct sr_dev_driver atten_pps3203_driver_info = {
	514	.name = "atten-pps3203",
	515	.longname = "Atten PPS3203T-3S",
fa0d6afe BV	516	.api_version = 1,
	517	.init = init,
	518	.cleanup = cleanup,
33c40990	519	.scan = scan_3203,
fa0d6afe	520	.dev_list = dev_list,
a6630742	521	.dev_clear = NULL,
fa0d6afe BV	522	.config_get = config_get,
	523	.config_set = config_set,
	524	.config_list = config_list,
33c40990	525	.dev_open = std_serial_dev_open,
ab988ecb	526	.dev_close = dev_close,
fa0d6afe BV	527	.dev_acquisition_start = dev_acquisition_start,
	528	.dev_acquisition_stop = dev_acquisition_stop,
	529	.priv = NULL,
	530	};