[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 devopts[] = {
	SR_CONF_POWER_SUPPLY,
	SR_CONF_CONTINUOUS,
	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;

	if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
		return NULL;

	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 = sr_dev_inst_new(SR_ST_INACTIVE, "Atten", model->name, NULL);
	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(i, SR_CHANNEL_ANALOG, TRUE, channel);
		sdi->channels = g_slist_append(sdi->channels, ch);
		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, even without sdi. */
	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 (!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
584560f1	39	static const uint32_t devopts[] = {
33c40990 BV	40	SR_CONF_POWER_SUPPLY,
33c40990 BV	41	SR_CONF_CONTINUOUS,
5827f61b BV	42	SR_CONF_OUTPUT_CHANNEL_CONFIG \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
5827f61b BV	43	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
33c40990 BV	44	};
33c40990 BV	45
584560f1	46	static const uint32_t devopts_cg[] = {
5827f61b	47	SR_CONF_OUTPUT_VOLTAGE \| SR_CONF_GET,
ca95e90f	48	SR_CONF_OUTPUT_VOLTAGE_TARGET \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
5827f61b	49	SR_CONF_OUTPUT_CURRENT \| SR_CONF_GET,
ca95e90f	50	SR_CONF_OUTPUT_CURRENT_LIMIT \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
5827f61b	51	SR_CONF_OUTPUT_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
33c40990 BV	52	};
	53
	54	static const char *channel_modes[] = {
	55	"Independent",
	56	"Series",
	57	"Parallel",
	58	};
	59
	60	static struct pps_model models[] = {
	61	{ PPS_3203T_3S, "PPS3203T-3S",
	62	CHANMODE_INDEPENDENT \| CHANMODE_SERIES \| CHANMODE_PARALLEL,
	63	3,
	64	{
	65	/* Channel 1 */
	66	{ { 0, 32, 0.01 }, { 0, 3, 0.001 } },
	67	/* Channel 2 */
	68	{ { 0, 32, 0.01 }, { 0, 3, 0.001 } },
	69	/* Channel 3 */
	70	{ { 0, 6, 0.01 }, { 0, 3, 0.001 } },
	71	},
	72	},
	73	};
	74
	75
	76	SR_PRIV struct sr_dev_driver atten_pps3203_driver_info;
	77	static struct sr_dev_driver *di = &atten_pps3203_driver_info;
fa0d6afe BV	78
	79	static int init(struct sr_context *sr_ctx)
	80	{
	81	return std_init(sr_ctx, di, LOG_PREFIX);
	82	}
	83
33c40990	84	static GSList scan(GSList options, int modelid)
fa0d6afe	85	{
33c40990	86	struct sr_dev_inst *sdi;
fa0d6afe	87	struct drv_context *drvc;
33c40990 BV	88	struct dev_context *devc;
33c40990 BV	89	struct sr_config *src;
ba7dd8bb	90	struct sr_channel *ch;
40fd0264	91	struct sr_channel_group *cg;
33c40990 BV	92	struct sr_serial_dev_inst *serial;
	93	GSList l, devices;
	94	struct pps_model *model;
	95	uint8_t packet[PACKET_SIZE];
	96	unsigned int i;
2eb1612d	97	int delay_ms, ret;
33c40990 BV	98	const char conn, serialcomm;
33c40990 BV	99	char channel[10];
fa0d6afe BV	100
	101	devices = NULL;
	102	drvc = di->priv;
	103	drvc->instances = NULL;
	104
33c40990 BV	105	conn = serialcomm = NULL;
	106	for (l = options; l; l = l->next) {
	107	src = l->data;
	108	switch (src->key) {
	109	case SR_CONF_CONN:
	110	conn = g_variant_get_string(src->data, NULL);
	111	break;
	112	case SR_CONF_SERIALCOMM:
	113	serialcomm = g_variant_get_string(src->data, NULL);
	114	break;
	115	}
	116	}
	117	if (!conn)
	118	return NULL;
	119	if (!serialcomm)
	120	serialcomm = SERIALCOMM;
	121
	122	if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
	123	return NULL;
	124
5305266a	125	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
33c40990 BV	126	return NULL;
	127	serial_flush(serial);
	128
945cfd4f	129	/* This is how the vendor software scans for hardware. */
33c40990 BV	130	memset(packet, 0, PACKET_SIZE);
	131	packet[0] = 0xaa;
	132	packet[1] = 0xaa;
2eb1612d BV	133	delay_ms = serial_timeout(serial, PACKET_SIZE);
2eb1612d BV	134	if (serial_write_blocking(serial, packet, PACKET_SIZE, delay_ms) < PACKET_SIZE) {
081c214e	135	sr_err("Unable to write while probing for hardware.");
33c40990 BV	136	return NULL;
	137	}
	138	/* The device responds with a 24-byte packet when it receives a packet.
	139	* At 9600 baud, 300ms is long enough for it to have arrived. */
	140	g_usleep(300 * 1000);
	141	memset(packet, 0, PACKET_SIZE);
	142	if ((ret = serial_read_nonblocking(serial, packet, PACKET_SIZE)) < 0) {
	143	sr_err("Unable to read while probing for hardware: %s",
	144	strerror(errno));
	145	return NULL;
	146	}
	147	if (ret != PACKET_SIZE \|\| packet[0] != 0xaa \|\| packet[1] != 0xaa) {
	148	/* Doesn't look like an Atten PPS. */
	149	return NULL;
	150	}
	151
	152	model = NULL;
	153	for (i = 0; i < ARRAY_SIZE(models); i++) {
	154	if (models[i].modelid == modelid) {
	155	model = &models[i];
	156	break;
	157	}
	158	}
	159	if (!model) {
	160	sr_err("Unknown modelid %d", modelid);
	161	return NULL;
	162	}
	163
aed4ad0b	164	sdi = sr_dev_inst_new(SR_ST_INACTIVE, "Atten", model->name, NULL);
33c40990 BV	165	sdi->driver = di;
	166	sdi->inst_type = SR_INST_SERIAL;
	167	sdi->conn = serial;
	168	for (i = 0; i < MAX_CHANNELS; i++) {
	169	snprintf(channel, 10, "CH%d", i + 1);
3f239f08	170	ch = sr_channel_new(i, SR_CHANNEL_ANALOG, TRUE, channel);
ba7dd8bb	171	sdi->channels = g_slist_append(sdi->channels, ch);
40fd0264 UH	172	cg = g_malloc(sizeof(struct sr_channel_group));
40fd0264 UH	173	cg->name = g_strdup(channel);
ba7dd8bb	174	cg->channels = g_slist_append(NULL, ch);
40fd0264 UH	175	cg->priv = NULL;
40fd0264 UH	176	sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
33c40990 BV	177	}
	178
	179	devc = g_malloc0(sizeof(struct dev_context));
	180	devc->model = model;
	181	devc->config = g_malloc0(sizeof(struct per_channel_config) * model->num_channels);
2eb1612d	182	devc->delay_ms = delay_ms;
33c40990 BV	183	sdi->priv = devc;
	184	drvc->instances = g_slist_append(drvc->instances, sdi);
	185	devices = g_slist_append(devices, sdi);
	186
	187	serial_close(serial);
	188	if (!devices)
	189	sr_serial_dev_inst_free(serial);
fa0d6afe BV	190
	191	return devices;
	192	}
	193
33c40990 BV	194	static GSList scan_3203(GSList options)
	195	{
	196	return scan(options, PPS_3203T_3S);
	197	}
	198
fa0d6afe BV	199	static GSList *dev_list(void)
	200	{
	201	return ((struct drv_context *)(di->priv))->instances;
	202	}
	203
fa0d6afe BV	204	static int cleanup(void)
fa0d6afe BV	205	{
a6630742	206	return std_dev_clear(di, NULL);
fa0d6afe BV	207	}
fa0d6afe BV	208
584560f1	209	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	210	const struct sr_channel_group *cg)
fa0d6afe	211	{
33c40990	212	struct dev_context *devc;
ba7dd8bb	213	struct sr_channel *ch;
33c40990 BV	214	int channel, ret;
	215
	216	if (!sdi)
	217	return SR_ERR_ARG;
fa0d6afe	218
33c40990	219	devc = sdi->priv;
fa0d6afe BV	220
fa0d6afe BV	221	ret = SR_OK;
53b4680f	222	if (!cg) {
660e398f	223	/* No channel group: global options. */
33c40990	224	switch (key) {
a1eaa9e0	225	case SR_CONF_OUTPUT_CHANNEL_CONFIG:
fe997353	226	*data = g_variant_new_string(channel_modes[devc->channel_mode]);
33c40990	227	break;
a1eaa9e0	228	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
33c40990 BV	229	*data = g_variant_new_boolean(devc->over_current_protection);
	230	break;
	231	default:
	232	return SR_ERR_NA;
	233	}
	234	} else {
660e398f	235	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	236	ch = cg->channels->data;
ba7dd8bb UH	237	channel = ch->index;
33c40990 BV	238
	239	switch (key) {
	240	case SR_CONF_OUTPUT_VOLTAGE:
	241	*data = g_variant_new_double(devc->config[channel].output_voltage_last);
	242	break;
ca95e90f	243	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
33c40990 BV	244	*data = g_variant_new_double(devc->config[channel].output_voltage_max);
	245	break;
	246	case SR_CONF_OUTPUT_CURRENT:
	247	*data = g_variant_new_double(devc->config[channel].output_current_last);
	248	break;
ca95e90f	249	case SR_CONF_OUTPUT_CURRENT_LIMIT:
33c40990 BV	250	*data = g_variant_new_double(devc->config[channel].output_current_max);
	251	break;
	252	case SR_CONF_OUTPUT_ENABLED:
	253	*data = g_variant_new_boolean(devc->config[channel].output_enabled);
	254	break;
	255	default:
	256	return SR_ERR_NA;
	257	}
fa0d6afe BV	258	}
	259
	260	return ret;
	261	}
	262
33c40990 BV	263	static int find_str(const char str, const char *strings, int array_size)
	264	{
	265	int idx, i;
	266
	267	idx = -1;
	268	for (i = 0; i < array_size; i++) {
	269	if (!strcmp(str, strings[i])) {
	270	idx = i;
	271	break;
	272	}
	273	}
	274
	275	return idx;
	276	}
	277
584560f1	278	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	279	const struct sr_channel_group *cg)
fa0d6afe	280	{
33c40990	281	struct dev_context *devc;
ba7dd8bb	282	struct sr_channel *ch;
33c40990 BV	283	gdouble dval;
	284	int channel, ret, ival;
	285	const char *sval;
	286	gboolean bval;
fa0d6afe BV	287
	288	if (sdi->status != SR_ST_ACTIVE)
	289	return SR_ERR_DEV_CLOSED;
	290
	291	ret = SR_OK;
33c40990	292	devc = sdi->priv;
53b4680f	293	if (!cg) {
660e398f	294	/* No channel group: global options. */
33c40990	295	switch (key) {
a1eaa9e0	296	case SR_CONF_OUTPUT_CHANNEL_CONFIG:
33c40990 BV	297	sval = g_variant_get_string(data, NULL);
	298	if ((ival = find_str(sval, channel_modes,
	299	ARRAY_SIZE(channel_modes))) == -1) {
	300	ret = SR_ERR_ARG;
	301	break;
	302	}
	303	if (devc->model->channel_modes && (1 << ival) == 0) {
	304	/* Not supported on this model. */
	305	ret = SR_ERR_ARG;
	306	}
	307	if (ival == devc->channel_mode_set)
	308	/* Nothing to do. */
	309	break;
	310	devc->channel_mode_set = ival;
ab988ecb	311	devc->config_dirty = TRUE;
33c40990	312	break;
a1eaa9e0	313	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
33c40990 BV	314	bval = g_variant_get_boolean(data);
	315	if (bval == devc->over_current_protection_set)
	316	/* Nothing to do. */
	317	break;
	318	devc->over_current_protection_set = bval;
ab988ecb	319	devc->config_dirty = TRUE;
33c40990 BV	320	break;
	321	default:
	322	return SR_ERR_NA;
	323	}
	324	} else {
660e398f UH	325	/* Channel group specified: per-channel options. */
660e398f UH	326	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	327	ch = cg->channels->data;
ba7dd8bb UH	328	channel = ch->index;
33c40990 BV	329
33c40990 BV	330	switch (key) {
ca95e90f	331	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
33c40990 BV	332	dval = g_variant_get_double(data);
	333	if (dval < 0 \|\| dval > devc->model->channels[channel].voltage[1])
	334	ret = SR_ERR_ARG;
	335	devc->config[channel].output_voltage_max = dval;
ab988ecb	336	devc->config_dirty = TRUE;
33c40990	337	break;
ca95e90f	338	case SR_CONF_OUTPUT_CURRENT_LIMIT:
33c40990 BV	339	dval = g_variant_get_double(data);
	340	if (dval < 0 \|\| dval > devc->model->channels[channel].current[1])
	341	ret = SR_ERR_ARG;
	342	devc->config[channel].output_current_max = dval;
ab988ecb	343	devc->config_dirty = TRUE;
33c40990 BV	344	break;
	345	case SR_CONF_OUTPUT_ENABLED:
	346	bval = g_variant_get_boolean(data);
	347	if (bval == devc->config[channel].output_enabled_set)
	348	/* Nothing to do. */
	349	break;
	350	devc->config[channel].output_enabled_set = bval;
ab988ecb	351	devc->config_dirty = TRUE;
33c40990 BV	352	break;
	353	default:
	354	ret = SR_ERR_NA;
	355	}
fa0d6afe BV	356	}
fa0d6afe BV	357
33c40990	358
fa0d6afe BV	359	return ret;
	360	}
	361
584560f1	362	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	363	const struct sr_channel_group *cg)
fa0d6afe	364	{
33c40990	365	struct dev_context *devc;
ba7dd8bb	366	struct sr_channel *ch;
33c40990 BV	367	GVariant *gvar;
	368	GVariantBuilder gvb;
	369	int channel, ret, i;
	370
	371	/* Always available, even without sdi. */
	372	if (key == SR_CONF_SCAN_OPTIONS) {
584560f1 BV	373	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
584560f1 BV	374	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
33c40990 BV	375	return SR_OK;
	376	}
	377
e22aa878 BV	378	if (!sdi)
e22aa878 BV	379	return SR_ERR_ARG;
33c40990	380	devc = sdi->priv;
fa0d6afe BV	381
fa0d6afe BV	382	ret = SR_OK;
53b4680f	383	if (!cg) {
660e398f	384	/* No channel group: global options. */
33c40990 BV	385	switch (key) {
33c40990 BV	386	case SR_CONF_DEVICE_OPTIONS:
584560f1 BV	387	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
584560f1 BV	388	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
33c40990	389	break;
a1eaa9e0	390	case SR_CONF_OUTPUT_CHANNEL_CONFIG:
33c40990 BV	391	if (devc->model->channel_modes == CHANMODE_INDEPENDENT) {
	392	/* The 1-channel models. */
	393	*data = g_variant_new_strv(channel_modes, 1);
	394	} else {
	395	/* The other models support all modes. */
	396	*data = g_variant_new_strv(channel_modes, ARRAY_SIZE(channel_modes));
	397	}
	398	break;
	399	default:
	400	return SR_ERR_NA;
	401	}
	402	} else {
660e398f	403	/* Channel group specified: per-channel options. */
33c40990 BV	404	if (!sdi)
33c40990 BV	405	return SR_ERR_ARG;
660e398f	406	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	407	ch = cg->channels->data;
ba7dd8bb UH	408	channel = ch->index;
33c40990 BV	409
	410	switch (key) {
	411	case SR_CONF_DEVICE_OPTIONS:
584560f1 BV	412	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
584560f1 BV	413	devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t));
33c40990	414	break;
ca95e90f	415	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
33c40990 BV	416	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	417	/* Min, max, step. */
	418	for (i = 0; i < 3; i++) {
	419	gvar = g_variant_new_double(devc->model->channels[channel].voltage[i]);
	420	g_variant_builder_add_value(&gvb, gvar);
	421	}
	422	*data = g_variant_builder_end(&gvb);
	423	break;
ca95e90f	424	case SR_CONF_OUTPUT_CURRENT_LIMIT:
33c40990 BV	425	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	426	/* Min, max, step. */
	427	for (i = 0; i < 3; i++) {
	428	gvar = g_variant_new_double(devc->model->channels[channel].current[i]);
	429	g_variant_builder_add_value(&gvb, gvar);
	430	}
	431	*data = g_variant_builder_end(&gvb);
	432	break;
	433	default:
	434	return SR_ERR_NA;
	435	}
fa0d6afe BV	436	}
	437
	438	return ret;
	439	}
	440
ab988ecb BV	441	static int dev_close(struct sr_dev_inst *sdi)
	442	{
	443	struct dev_context *devc;
	444
	445	devc = sdi->priv;
	446	if (devc->config_dirty)
	447	/* Some configuration changes were queued up but didn't
	448	* get sent to the device, likely because we were never
	449	* in acquisition mode. Send them out now. */
	450	send_config(sdi);
	451
	452	return std_serial_dev_close(sdi);
	453	}
	454
fa0d6afe	455	static int dev_acquisition_start(const struct sr_dev_inst *sdi,
33c40990	456	void *cb_data)
fa0d6afe	457	{
33c40990 BV	458	struct dev_context *devc;
	459	struct sr_serial_dev_inst *serial;
	460	uint8_t packet[PACKET_SIZE];
	461
fa0d6afe BV	462	(void)cb_data;
	463
	464	if (sdi->status != SR_ST_ACTIVE)
	465	return SR_ERR_DEV_CLOSED;
	466
33c40990 BV	467	devc = sdi->priv;
	468	memset(devc->packet, 0x44, PACKET_SIZE);
	469	devc->packet_size = 0;
	470
	471	devc->acquisition_running = TRUE;
	472
	473	serial = sdi->conn;
102f1239 BV	474	serial_source_add(sdi->session, serial, G_IO_IN, 50,
102f1239 BV	475	atten_pps3xxx_receive_data, (void *)sdi);
33c40990 BV	476	std_session_send_df_header(cb_data, LOG_PREFIX);
33c40990 BV	477
ba7dd8bb	478	/* Send a "channel" configuration packet now. */
33c40990 BV	479	memset(packet, 0, PACKET_SIZE);
	480	packet[0] = 0xaa;
	481	packet[1] = 0xaa;
	482	send_packet(sdi, packet);
fa0d6afe BV	483
	484	return SR_OK;
	485	}
	486
	487	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	488	{
33c40990 BV	489	struct dev_context *devc;
33c40990 BV	490
fa0d6afe BV	491	(void)cb_data;
	492
	493	if (sdi->status != SR_ST_ACTIVE)
	494	return SR_ERR_DEV_CLOSED;
	495
33c40990 BV	496	devc = sdi->priv;
33c40990 BV	497	devc->acquisition_running = FALSE;
fa0d6afe BV	498
	499	return SR_OK;
	500	}
	501
33c40990 BV	502	SR_PRIV struct sr_dev_driver atten_pps3203_driver_info = {
	503	.name = "atten-pps3203",
	504	.longname = "Atten PPS3203T-3S",
fa0d6afe BV	505	.api_version = 1,
	506	.init = init,
	507	.cleanup = cleanup,
33c40990	508	.scan = scan_3203,
fa0d6afe	509	.dev_list = dev_list,
a6630742	510	.dev_clear = NULL,
fa0d6afe BV	511	.config_get = config_get,
	512	.config_set = config_set,
	513	.config_list = config_list,
33c40990	514	.dev_open = std_serial_dev_open,
ab988ecb	515	.dev_close = dev_close,
fa0d6afe BV	516	.dev_acquisition_start = dev_acquisition_start,
	517	.dev_acquisition_stop = dev_acquisition_stop,
	518	.priv = NULL,
	519	};