[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 <config.h>
#include <string.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_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_VOLTAGE | SR_CONF_GET,
	SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_CURRENT | SR_CONF_GET,
	SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET,
};

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

static const 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 } },
		},
	},
};

static GSList *scan(struct sr_dev_driver *di, 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;
	const struct pps_model *model;
	uint8_t packet[PACKET_SIZE];
	unsigned int i;
	int delay_ms, ret;
	const char *conn, *serialcomm;
	char channel[10];

	drvc = di->context;

	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",
				sr_strerror(ret));
		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->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;

	serial_close(serial);

	return std_scan_complete(di, g_slist_append(NULL, sdi));
}

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

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_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_VOLTAGE:
			*data = g_variant_new_double(devc->config[channel].output_voltage_last);
			break;
		case SR_CONF_VOLTAGE_TARGET:
			*data = g_variant_new_double(devc->config[channel].output_voltage_max);
			break;
		case SR_CONF_CURRENT:
			*data = g_variant_new_double(devc->config[channel].output_current_last);
			break;
		case SR_CONF_CURRENT_LIMIT:
			*data = g_variant_new_double(devc->config[channel].output_current_max);
			break;
		case SR_CONF_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_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_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_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_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_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_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_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)
{
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;
	uint8_t packet[PACKET_SIZE];

	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(sdi, 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)
{
	struct dev_context *devc;

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

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

	return SR_OK;
}

static struct sr_dev_driver atten_pps3203_driver_info = {
	.name = "atten-pps3203",
	.longname = "Atten PPS3203T-3S",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan_3203,
	.dev_list = std_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,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(atten_pps3203_driver_info);
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
6ec6c43b	20	#include <config.h>
33c40990	21	#include <string.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	43	static const uint32_t devopts[] = {
e91bb0a6	44	SR_CONF_CONTINUOUS,
7a0b98b5	45	SR_CONF_CHANNEL_CONFIG \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
5827f61b	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[] = {
7a0b98b5 AJ	50	SR_CONF_VOLTAGE \| SR_CONF_GET,
	51	SR_CONF_VOLTAGE_TARGET \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	52	SR_CONF_CURRENT \| SR_CONF_GET,
	53	SR_CONF_CURRENT_LIMIT \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	54	SR_CONF_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
329733d9	63	static const struct pps_model models[] = {
33c40990 BV	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
4f840ce9	78	static GSList scan(struct sr_dev_driver di, GSList *options, int modelid)
fa0d6afe	79	{
33c40990	80	struct sr_dev_inst *sdi;
fa0d6afe	81	struct drv_context *drvc;
33c40990 BV	82	struct dev_context *devc;
33c40990 BV	83	struct sr_config *src;
ba7dd8bb	84	struct sr_channel *ch;
40fd0264	85	struct sr_channel_group *cg;
33c40990	86	struct sr_serial_dev_inst *serial;
43376f33	87	GSList *l;
329733d9	88	const struct pps_model *model;
33c40990 BV	89	uint8_t packet[PACKET_SIZE];
33c40990 BV	90	unsigned int i;
2eb1612d	91	int delay_ms, ret;
33c40990 BV	92	const char conn, serialcomm;
33c40990 BV	93	char channel[10];
fa0d6afe	94
41812aca	95	drvc = di->context;
fa0d6afe	96
33c40990 BV	97	conn = serialcomm = NULL;
	98	for (l = options; l; l = l->next) {
	99	src = l->data;
	100	switch (src->key) {
	101	case SR_CONF_CONN:
	102	conn = g_variant_get_string(src->data, NULL);
	103	break;
	104	case SR_CONF_SERIALCOMM:
	105	serialcomm = g_variant_get_string(src->data, NULL);
	106	break;
	107	}
	108	}
	109	if (!conn)
	110	return NULL;
	111	if (!serialcomm)
	112	serialcomm = SERIALCOMM;
	113
91219afc	114	serial = sr_serial_dev_inst_new(conn, serialcomm);
33c40990	115
5305266a	116	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
33c40990	117	return NULL;
91219afc	118
33c40990 BV	119	serial_flush(serial);
33c40990 BV	120
945cfd4f	121	/* This is how the vendor software scans for hardware. */
33c40990 BV	122	memset(packet, 0, PACKET_SIZE);
	123	packet[0] = 0xaa;
	124	packet[1] = 0xaa;
2eb1612d BV	125	delay_ms = serial_timeout(serial, PACKET_SIZE);
2eb1612d BV	126	if (serial_write_blocking(serial, packet, PACKET_SIZE, delay_ms) < PACKET_SIZE) {
081c214e	127	sr_err("Unable to write while probing for hardware.");
33c40990 BV	128	return NULL;
	129	}
	130	/* The device responds with a 24-byte packet when it receives a packet.
	131	* At 9600 baud, 300ms is long enough for it to have arrived. */
	132	g_usleep(300 * 1000);
	133	memset(packet, 0, PACKET_SIZE);
	134	if ((ret = serial_read_nonblocking(serial, packet, PACKET_SIZE)) < 0) {
	135	sr_err("Unable to read while probing for hardware: %s",
8d522801	136	sr_strerror(ret));
33c40990 BV	137	return NULL;
	138	}
	139	if (ret != PACKET_SIZE \|\| packet[0] != 0xaa \|\| packet[1] != 0xaa) {
	140	/* Doesn't look like an Atten PPS. */
	141	return NULL;
	142	}
	143
	144	model = NULL;
	145	for (i = 0; i < ARRAY_SIZE(models); i++) {
	146	if (models[i].modelid == modelid) {
	147	model = &models[i];
	148	break;
	149	}
	150	}
	151	if (!model) {
	152	sr_err("Unknown modelid %d", modelid);
	153	return NULL;
	154	}
	155
aac29cc1	156	sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be UH	157	sdi->status = SR_ST_INACTIVE;
	158	sdi->vendor = g_strdup("Atten");
	159	sdi->model = g_strdup(model->name);
33c40990 BV	160	sdi->inst_type = SR_INST_SERIAL;
	161	sdi->conn = serial;
	162	for (i = 0; i < MAX_CHANNELS; i++) {
	163	snprintf(channel, 10, "CH%d", i + 1);
5e23fcab	164	ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel);
40fd0264 UH	165	cg = g_malloc(sizeof(struct sr_channel_group));
40fd0264 UH	166	cg->name = g_strdup(channel);
ba7dd8bb	167	cg->channels = g_slist_append(NULL, ch);
40fd0264 UH	168	cg->priv = NULL;
40fd0264 UH	169	sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
33c40990 BV	170	}
	171
	172	devc = g_malloc0(sizeof(struct dev_context));
	173	devc->model = model;
	174	devc->config = g_malloc0(sizeof(struct per_channel_config) * model->num_channels);
2eb1612d	175	devc->delay_ms = delay_ms;
33c40990	176	sdi->priv = devc;
33c40990 BV	177
33c40990 BV	178	serial_close(serial);
fa0d6afe	179
43376f33	180	return std_scan_complete(di, g_slist_append(NULL, sdi));
fa0d6afe BV	181	}
fa0d6afe BV	182
4f840ce9	183	static GSList scan_3203(struct sr_dev_driver di, GSList *options)
33c40990	184	{
4f840ce9	185	return scan(di, options, PPS_3203T_3S);
33c40990 BV	186	}
33c40990 BV	187
584560f1	188	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	189	const struct sr_channel_group *cg)
fa0d6afe	190	{
33c40990	191	struct dev_context *devc;
ba7dd8bb	192	struct sr_channel *ch;
33c40990 BV	193	int channel, ret;
	194
	195	if (!sdi)
	196	return SR_ERR_ARG;
fa0d6afe	197
33c40990	198	devc = sdi->priv;
fa0d6afe BV	199
fa0d6afe BV	200	ret = SR_OK;
53b4680f	201	if (!cg) {
660e398f	202	/* No channel group: global options. */
33c40990	203	switch (key) {
7a0b98b5	204	case SR_CONF_CHANNEL_CONFIG:
fe997353	205	*data = g_variant_new_string(channel_modes[devc->channel_mode]);
33c40990	206	break;
a1eaa9e0	207	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
33c40990 BV	208	*data = g_variant_new_boolean(devc->over_current_protection);
	209	break;
	210	default:
	211	return SR_ERR_NA;
	212	}
	213	} else {
660e398f	214	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	215	ch = cg->channels->data;
ba7dd8bb UH	216	channel = ch->index;
33c40990 BV	217
33c40990 BV	218	switch (key) {
7a0b98b5	219	case SR_CONF_VOLTAGE:
33c40990 BV	220	*data = g_variant_new_double(devc->config[channel].output_voltage_last);
33c40990 BV	221	break;
7a0b98b5	222	case SR_CONF_VOLTAGE_TARGET:
33c40990 BV	223	*data = g_variant_new_double(devc->config[channel].output_voltage_max);
33c40990 BV	224	break;
7a0b98b5	225	case SR_CONF_CURRENT:
33c40990 BV	226	*data = g_variant_new_double(devc->config[channel].output_current_last);
33c40990 BV	227	break;
7a0b98b5	228	case SR_CONF_CURRENT_LIMIT:
33c40990 BV	229	*data = g_variant_new_double(devc->config[channel].output_current_max);
33c40990 BV	230	break;
7a0b98b5	231	case SR_CONF_ENABLED:
33c40990 BV	232	*data = g_variant_new_boolean(devc->config[channel].output_enabled);
	233	break;
	234	default:
	235	return SR_ERR_NA;
	236	}
fa0d6afe BV	237	}
	238
	239	return ret;
	240	}
	241
33c40990 BV	242	static int find_str(const char str, const char *strings, int array_size)
	243	{
	244	int idx, i;
	245
	246	idx = -1;
	247	for (i = 0; i < array_size; i++) {
	248	if (!strcmp(str, strings[i])) {
	249	idx = i;
	250	break;
	251	}
	252	}
	253
	254	return idx;
	255	}
	256
584560f1	257	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	258	const struct sr_channel_group *cg)
fa0d6afe	259	{
33c40990	260	struct dev_context *devc;
ba7dd8bb	261	struct sr_channel *ch;
33c40990 BV	262	gdouble dval;
	263	int channel, ret, ival;
	264	const char *sval;
	265	gboolean bval;
fa0d6afe BV	266
	267	if (sdi->status != SR_ST_ACTIVE)
	268	return SR_ERR_DEV_CLOSED;
	269
	270	ret = SR_OK;
33c40990	271	devc = sdi->priv;
53b4680f	272	if (!cg) {
660e398f	273	/* No channel group: global options. */
33c40990	274	switch (key) {
7a0b98b5	275	case SR_CONF_CHANNEL_CONFIG:
33c40990 BV	276	sval = g_variant_get_string(data, NULL);
	277	if ((ival = find_str(sval, channel_modes,
	278	ARRAY_SIZE(channel_modes))) == -1) {
	279	ret = SR_ERR_ARG;
	280	break;
	281	}
	282	if (devc->model->channel_modes && (1 << ival) == 0) {
	283	/* Not supported on this model. */
	284	ret = SR_ERR_ARG;
	285	}
	286	if (ival == devc->channel_mode_set)
	287	/* Nothing to do. */
	288	break;
	289	devc->channel_mode_set = ival;
ab988ecb	290	devc->config_dirty = TRUE;
33c40990	291	break;
a1eaa9e0	292	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
33c40990 BV	293	bval = g_variant_get_boolean(data);
	294	if (bval == devc->over_current_protection_set)
	295	/* Nothing to do. */
	296	break;
	297	devc->over_current_protection_set = bval;
ab988ecb	298	devc->config_dirty = TRUE;
33c40990 BV	299	break;
	300	default:
	301	return SR_ERR_NA;
	302	}
	303	} else {
660e398f UH	304	/* Channel group specified: per-channel options. */
660e398f UH	305	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	306	ch = cg->channels->data;
ba7dd8bb UH	307	channel = ch->index;
33c40990 BV	308
33c40990 BV	309	switch (key) {
7a0b98b5	310	case SR_CONF_VOLTAGE_TARGET:
33c40990 BV	311	dval = g_variant_get_double(data);
	312	if (dval < 0 \|\| dval > devc->model->channels[channel].voltage[1])
	313	ret = SR_ERR_ARG;
	314	devc->config[channel].output_voltage_max = dval;
ab988ecb	315	devc->config_dirty = TRUE;
33c40990	316	break;
7a0b98b5	317	case SR_CONF_CURRENT_LIMIT:
33c40990 BV	318	dval = g_variant_get_double(data);
	319	if (dval < 0 \|\| dval > devc->model->channels[channel].current[1])
	320	ret = SR_ERR_ARG;
	321	devc->config[channel].output_current_max = dval;
ab988ecb	322	devc->config_dirty = TRUE;
33c40990	323	break;
7a0b98b5	324	case SR_CONF_ENABLED:
33c40990 BV	325	bval = g_variant_get_boolean(data);
	326	if (bval == devc->config[channel].output_enabled_set)
	327	/* Nothing to do. */
	328	break;
	329	devc->config[channel].output_enabled_set = bval;
ab988ecb	330	devc->config_dirty = TRUE;
33c40990 BV	331	break;
	332	default:
	333	ret = SR_ERR_NA;
	334	}
fa0d6afe BV	335	}
	336
	337	return ret;
	338	}
	339
584560f1	340	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	341	const struct sr_channel_group *cg)
fa0d6afe	342	{
33c40990	343	struct dev_context *devc;
ba7dd8bb	344	struct sr_channel *ch;
33c40990 BV	345	GVariant *gvar;
	346	GVariantBuilder gvb;
	347	int channel, ret, i;
	348
d6fa8ace	349	/* Always available. */
33c40990	350	if (key == SR_CONF_SCAN_OPTIONS) {
584560f1 BV	351	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
584560f1 BV	352	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
33c40990 BV	353	return SR_OK;
	354	}
	355
d6fa8ace BV	356	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
d6fa8ace BV	357	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
1f889afd	358	drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
d6fa8ace BV	359	return SR_OK;
	360	}
	361
e22aa878 BV	362	if (!sdi)
e22aa878 BV	363	return SR_ERR_ARG;
fa0d6afe	364
d6fa8ace	365	devc = sdi->priv;
fa0d6afe	366	ret = SR_OK;
53b4680f	367	if (!cg) {
660e398f	368	/* No channel group: global options. */
33c40990 BV	369	switch (key) {
33c40990 BV	370	case SR_CONF_DEVICE_OPTIONS:
584560f1	371	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
1f889afd	372	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
33c40990	373	break;
7a0b98b5	374	case SR_CONF_CHANNEL_CONFIG:
33c40990 BV	375	if (devc->model->channel_modes == CHANMODE_INDEPENDENT) {
	376	/* The 1-channel models. */
	377	*data = g_variant_new_strv(channel_modes, 1);
	378	} else {
	379	/* The other models support all modes. */
	380	*data = g_variant_new_strv(channel_modes, ARRAY_SIZE(channel_modes));
	381	}
	382	break;
	383	default:
	384	return SR_ERR_NA;
	385	}
	386	} else {
660e398f	387	/* Channel group specified: per-channel options. */
33c40990 BV	388	if (!sdi)
33c40990 BV	389	return SR_ERR_ARG;
660e398f	390	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	391	ch = cg->channels->data;
ba7dd8bb UH	392	channel = ch->index;
33c40990 BV	393
	394	switch (key) {
	395	case SR_CONF_DEVICE_OPTIONS:
584560f1 BV	396	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
584560f1 BV	397	devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t));
33c40990	398	break;
7a0b98b5	399	case SR_CONF_VOLTAGE_TARGET:
33c40990 BV	400	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	401	/* Min, max, step. */
	402	for (i = 0; i < 3; i++) {
	403	gvar = g_variant_new_double(devc->model->channels[channel].voltage[i]);
	404	g_variant_builder_add_value(&gvb, gvar);
	405	}
	406	*data = g_variant_builder_end(&gvb);
	407	break;
7a0b98b5	408	case SR_CONF_CURRENT_LIMIT:
33c40990 BV	409	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	410	/* Min, max, step. */
	411	for (i = 0; i < 3; i++) {
	412	gvar = g_variant_new_double(devc->model->channels[channel].current[i]);
	413	g_variant_builder_add_value(&gvb, gvar);
	414	}
	415	*data = g_variant_builder_end(&gvb);
	416	break;
	417	default:
	418	return SR_ERR_NA;
	419	}
fa0d6afe BV	420	}
	421
	422	return ret;
	423	}
	424
ab988ecb BV	425	static int dev_close(struct sr_dev_inst *sdi)
	426	{
	427	struct dev_context *devc;
	428
	429	devc = sdi->priv;
	430	if (devc->config_dirty)
	431	/* Some configuration changes were queued up but didn't
	432	* get sent to the device, likely because we were never
	433	* in acquisition mode. Send them out now. */
	434	send_config(sdi);
	435
	436	return std_serial_dev_close(sdi);
	437	}
	438
695dc859	439	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
fa0d6afe	440	{
33c40990 BV	441	struct dev_context *devc;
	442	struct sr_serial_dev_inst *serial;
	443	uint8_t packet[PACKET_SIZE];
	444
fa0d6afe BV	445	if (sdi->status != SR_ST_ACTIVE)
	446	return SR_ERR_DEV_CLOSED;
	447
33c40990 BV	448	devc = sdi->priv;
	449	memset(devc->packet, 0x44, PACKET_SIZE);
	450	devc->packet_size = 0;
	451
	452	devc->acquisition_running = TRUE;
	453
	454	serial = sdi->conn;
102f1239 BV	455	serial_source_add(sdi->session, serial, G_IO_IN, 50,
102f1239 BV	456	atten_pps3xxx_receive_data, (void *)sdi);
695dc859	457	std_session_send_df_header(sdi, LOG_PREFIX);
33c40990	458
ba7dd8bb	459	/* Send a "channel" configuration packet now. */
33c40990 BV	460	memset(packet, 0, PACKET_SIZE);
	461	packet[0] = 0xaa;
	462	packet[1] = 0xaa;
	463	send_packet(sdi, packet);
fa0d6afe BV	464
	465	return SR_OK;
	466	}
	467
695dc859	468	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
fa0d6afe	469	{
33c40990 BV	470	struct dev_context *devc;
33c40990 BV	471
fa0d6afe BV	472	if (sdi->status != SR_ST_ACTIVE)
	473	return SR_ERR_DEV_CLOSED;
	474
33c40990 BV	475	devc = sdi->priv;
33c40990 BV	476	devc->acquisition_running = FALSE;
fa0d6afe BV	477
	478	return SR_OK;
	479	}
	480
dd5c48a6	481	static struct sr_dev_driver atten_pps3203_driver_info = {
33c40990 BV	482	.name = "atten-pps3203",
33c40990 BV	483	.longname = "Atten PPS3203T-3S",
fa0d6afe	484	.api_version = 1,
c2fdcc25	485	.init = std_init,
700d6b64	486	.cleanup = std_cleanup,
33c40990	487	.scan = scan_3203,
c01bf34c	488	.dev_list = std_dev_list,
a6630742	489	.dev_clear = NULL,
fa0d6afe BV	490	.config_get = config_get,
	491	.config_set = config_set,
	492	.config_list = config_list,
33c40990	493	.dev_open = std_serial_dev_open,
ab988ecb	494	.dev_close = dev_close,
fa0d6afe BV	495	.dev_acquisition_start = dev_acquisition_start,
fa0d6afe BV	496	.dev_acquisition_stop = dev_acquisition_stop,
41812aca	497	.context = NULL,
fa0d6afe	498	};
dd5c48a6	499	SR_REGISTER_DEV_DRIVER(atten_pps3203_driver_info);