[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 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];

	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;

	/* 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 = sr_channel_group_new(sdi, channel, NULL);
		cg->channels = g_slist_append(NULL, ch);
	}

	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;

	if (!sdi)
		return SR_ERR_ARG;

	devc = sdi->priv;

	if (!cg) {
		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 SR_OK;
}

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, ival;
	gboolean bval;

	devc = sdi->priv;

	if (!cg) {
		switch (key) {
		case SR_CONF_CHANNEL_CONFIG:
			if ((ival = std_str_idx(data, ARRAY_AND_SIZE(channel_modes))) < 0)
				return SR_ERR_ARG;
			if (devc->model->channel_modes && (1 << ival) == 0)
				return SR_ERR_ARG; /* Not supported on this model. */
			if (ival == devc->channel_mode_set)
				break; /* Nothing to do. */
			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)
				break; /* Nothing to do. */
			devc->over_current_protection_set = bval;
			devc->config_dirty = TRUE;
			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_TARGET:
			dval = g_variant_get_double(data);
			if (dval < 0 || dval > devc->model->channels[channel].voltage[1])
				return 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])
				return 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)
				break; /* Nothing to do. */
			devc->config[channel].output_enabled_set = bval;
			devc->config_dirty = TRUE;
			break;
		default:
			return SR_ERR_NA;
		}
	}

	return SR_OK;
}

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;
	int channel;

	devc = (sdi) ? sdi->priv : NULL;

	if (!cg) {
		switch (key) {
		case SR_CONF_SCAN_OPTIONS:
		case SR_CONF_DEVICE_OPTIONS:
			return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
		case SR_CONF_CHANNEL_CONFIG:
			if (!devc || !devc->model)
				return SR_ERR_ARG;
			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(ARRAY_AND_SIZE(channel_modes));
			}
			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_DEVICE_OPTIONS:
			*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg));
			break;
		case SR_CONF_VOLTAGE_TARGET:
			if (!devc || !devc->model)
				return SR_ERR_ARG;
			*data = std_gvar_min_max_step_array(devc->model->channels[channel].voltage);
			break;
		case SR_CONF_CURRENT_LIMIT:
			if (!devc || !devc->model)
				return SR_ERR_ARG;
			*data = std_gvar_min_max_step_array(devc->model->channels[channel].current);
			break;
		default:
			return SR_ERR_NA;
		}
	}

	return SR_OK;
}

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];

	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);

	/* 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;

	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 = std_dev_clear,
	.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;
33c40990 BV	81	struct dev_context *devc;
33c40990 BV	82	struct sr_config *src;
ba7dd8bb	83	struct sr_channel *ch;
40fd0264	84	struct sr_channel_group *cg;
33c40990	85	struct sr_serial_dev_inst *serial;
43376f33	86	GSList *l;
329733d9	87	const struct pps_model *model;
33c40990 BV	88	uint8_t packet[PACKET_SIZE];
33c40990 BV	89	unsigned int i;
2eb1612d	90	int delay_ms, ret;
33c40990 BV	91	const char conn, serialcomm;
33c40990 BV	92	char channel[10];
fa0d6afe	93
33c40990 BV	94	conn = serialcomm = NULL;
	95	for (l = options; l; l = l->next) {
	96	src = l->data;
	97	switch (src->key) {
	98	case SR_CONF_CONN:
	99	conn = g_variant_get_string(src->data, NULL);
	100	break;
	101	case SR_CONF_SERIALCOMM:
	102	serialcomm = g_variant_get_string(src->data, NULL);
	103	break;
	104	}
	105	}
	106	if (!conn)
	107	return NULL;
	108	if (!serialcomm)
	109	serialcomm = SERIALCOMM;
	110
91219afc	111	serial = sr_serial_dev_inst_new(conn, serialcomm);
33c40990	112
5305266a	113	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
33c40990	114	return NULL;
91219afc	115
945cfd4f	116	/* This is how the vendor software scans for hardware. */
33c40990 BV	117	memset(packet, 0, PACKET_SIZE);
	118	packet[0] = 0xaa;
	119	packet[1] = 0xaa;
2eb1612d BV	120	delay_ms = serial_timeout(serial, PACKET_SIZE);
2eb1612d BV	121	if (serial_write_blocking(serial, packet, PACKET_SIZE, delay_ms) < PACKET_SIZE) {
081c214e	122	sr_err("Unable to write while probing for hardware.");
33c40990 BV	123	return NULL;
	124	}
	125	/* The device responds with a 24-byte packet when it receives a packet.
	126	* At 9600 baud, 300ms is long enough for it to have arrived. */
	127	g_usleep(300 * 1000);
	128	memset(packet, 0, PACKET_SIZE);
	129	if ((ret = serial_read_nonblocking(serial, packet, PACKET_SIZE)) < 0) {
	130	sr_err("Unable to read while probing for hardware: %s",
8d522801	131	sr_strerror(ret));
33c40990 BV	132	return NULL;
	133	}
	134	if (ret != PACKET_SIZE \|\| packet[0] != 0xaa \|\| packet[1] != 0xaa) {
	135	/* Doesn't look like an Atten PPS. */
	136	return NULL;
	137	}
	138
	139	model = NULL;
	140	for (i = 0; i < ARRAY_SIZE(models); i++) {
	141	if (models[i].modelid == modelid) {
	142	model = &models[i];
	143	break;
	144	}
	145	}
	146	if (!model) {
	147	sr_err("Unknown modelid %d", modelid);
	148	return NULL;
	149	}
	150
aac29cc1	151	sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be UH	152	sdi->status = SR_ST_INACTIVE;
	153	sdi->vendor = g_strdup("Atten");
	154	sdi->model = g_strdup(model->name);
33c40990 BV	155	sdi->inst_type = SR_INST_SERIAL;
	156	sdi->conn = serial;
	157	for (i = 0; i < MAX_CHANNELS; i++) {
	158	snprintf(channel, 10, "CH%d", i + 1);
5e23fcab	159	ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel);
d810901a	160	cg = sr_channel_group_new(sdi, channel, NULL);
ba7dd8bb	161	cg->channels = g_slist_append(NULL, ch);
33c40990 BV	162	}
	163
	164	devc = g_malloc0(sizeof(struct dev_context));
	165	devc->model = model;
	166	devc->config = g_malloc0(sizeof(struct per_channel_config) * model->num_channels);
2eb1612d	167	devc->delay_ms = delay_ms;
33c40990	168	sdi->priv = devc;
33c40990 BV	169
33c40990 BV	170	serial_close(serial);
fa0d6afe	171
43376f33	172	return std_scan_complete(di, g_slist_append(NULL, sdi));
fa0d6afe BV	173	}
fa0d6afe BV	174
4f840ce9	175	static GSList scan_3203(struct sr_dev_driver di, GSList *options)
33c40990	176	{
4f840ce9	177	return scan(di, options, PPS_3203T_3S);
33c40990 BV	178	}
33c40990 BV	179
dd7a72ea UH	180	static int config_get(uint32_t key, GVariant **data,
dd7a72ea UH	181	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
fa0d6afe	182	{
33c40990	183	struct dev_context *devc;
ba7dd8bb	184	struct sr_channel *ch;
a9010323	185	int channel;
33c40990 BV	186
	187	if (!sdi)
	188	return SR_ERR_ARG;
fa0d6afe	189
33c40990	190	devc = sdi->priv;
fa0d6afe	191
53b4680f	192	if (!cg) {
33c40990	193	switch (key) {
7a0b98b5	194	case SR_CONF_CHANNEL_CONFIG:
fe997353	195	*data = g_variant_new_string(channel_modes[devc->channel_mode]);
33c40990	196	break;
a1eaa9e0	197	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
33c40990 BV	198	*data = g_variant_new_boolean(devc->over_current_protection);
	199	break;
	200	default:
	201	return SR_ERR_NA;
	202	}
	203	} else {
660e398f	204	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	205	ch = cg->channels->data;
ba7dd8bb UH	206	channel = ch->index;
33c40990 BV	207
33c40990 BV	208	switch (key) {
7a0b98b5	209	case SR_CONF_VOLTAGE:
33c40990 BV	210	*data = g_variant_new_double(devc->config[channel].output_voltage_last);
33c40990 BV	211	break;
7a0b98b5	212	case SR_CONF_VOLTAGE_TARGET:
33c40990 BV	213	*data = g_variant_new_double(devc->config[channel].output_voltage_max);
33c40990 BV	214	break;
7a0b98b5	215	case SR_CONF_CURRENT:
33c40990 BV	216	*data = g_variant_new_double(devc->config[channel].output_current_last);
33c40990 BV	217	break;
7a0b98b5	218	case SR_CONF_CURRENT_LIMIT:
33c40990 BV	219	*data = g_variant_new_double(devc->config[channel].output_current_max);
33c40990 BV	220	break;
7a0b98b5	221	case SR_CONF_ENABLED:
33c40990 BV	222	*data = g_variant_new_boolean(devc->config[channel].output_enabled);
	223	break;
	224	default:
	225	return SR_ERR_NA;
	226	}
fa0d6afe BV	227	}
fa0d6afe BV	228
a9010323	229	return SR_OK;
fa0d6afe BV	230	}
fa0d6afe BV	231
dd7a72ea UH	232	static int config_set(uint32_t key, GVariant *data,
dd7a72ea UH	233	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
fa0d6afe	234	{
33c40990	235	struct dev_context *devc;
ba7dd8bb	236	struct sr_channel *ch;
33c40990	237	gdouble dval;
758906aa	238	int channel, ival;
33c40990	239	gboolean bval;
fa0d6afe	240
33c40990	241	devc = sdi->priv;
758906aa	242
53b4680f	243	if (!cg) {
33c40990	244	switch (key) {
7a0b98b5	245	case SR_CONF_CHANNEL_CONFIG:
697fb6dd UH	246	if ((ival = std_str_idx(data, ARRAY_AND_SIZE(channel_modes))) < 0)
697fb6dd UH	247	return SR_ERR_ARG;
758906aa UH	248	if (devc->model->channel_modes && (1 << ival) == 0)
758906aa UH	249	return SR_ERR_ARG; /* Not supported on this model. */
33c40990	250	if (ival == devc->channel_mode_set)
758906aa	251	break; /* Nothing to do. */
33c40990	252	devc->channel_mode_set = ival;
ab988ecb	253	devc->config_dirty = TRUE;
33c40990	254	break;
a1eaa9e0	255	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
33c40990 BV	256	bval = g_variant_get_boolean(data);
33c40990 BV	257	if (bval == devc->over_current_protection_set)
758906aa	258	break; /* Nothing to do. */
33c40990	259	devc->over_current_protection_set = bval;
ab988ecb	260	devc->config_dirty = TRUE;
33c40990 BV	261	break;
	262	default:
	263	return SR_ERR_NA;
	264	}
	265	} else {
660e398f	266	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	267	ch = cg->channels->data;
ba7dd8bb UH	268	channel = ch->index;
33c40990 BV	269
33c40990 BV	270	switch (key) {
7a0b98b5	271	case SR_CONF_VOLTAGE_TARGET:
33c40990 BV	272	dval = g_variant_get_double(data);
33c40990 BV	273	if (dval < 0 \|\| dval > devc->model->channels[channel].voltage[1])
758906aa	274	return SR_ERR_ARG;
33c40990	275	devc->config[channel].output_voltage_max = dval;
ab988ecb	276	devc->config_dirty = TRUE;
33c40990	277	break;
7a0b98b5	278	case SR_CONF_CURRENT_LIMIT:
33c40990 BV	279	dval = g_variant_get_double(data);
33c40990 BV	280	if (dval < 0 \|\| dval > devc->model->channels[channel].current[1])
758906aa	281	return SR_ERR_ARG;
33c40990	282	devc->config[channel].output_current_max = dval;
ab988ecb	283	devc->config_dirty = TRUE;
33c40990	284	break;
7a0b98b5	285	case SR_CONF_ENABLED:
33c40990 BV	286	bval = g_variant_get_boolean(data);
33c40990 BV	287	if (bval == devc->config[channel].output_enabled_set)
758906aa	288	break; /* Nothing to do. */
33c40990	289	devc->config[channel].output_enabled_set = bval;
ab988ecb	290	devc->config_dirty = TRUE;
33c40990 BV	291	break;
33c40990 BV	292	default:
758906aa	293	return SR_ERR_NA;
33c40990	294	}
fa0d6afe BV	295	}
fa0d6afe BV	296
758906aa	297	return SR_OK;
fa0d6afe BV	298	}
fa0d6afe BV	299
dd7a72ea UH	300	static int config_list(uint32_t key, GVariant **data,
dd7a72ea UH	301	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
fa0d6afe	302	{
33c40990	303	struct dev_context *devc;
ba7dd8bb	304	struct sr_channel *ch;
54d471f4	305	int channel;
33c40990	306
e66d1892	307	devc = (sdi) ? sdi->priv : NULL;
a9010323	308
53b4680f	309	if (!cg) {
33c40990	310	switch (key) {
e66d1892	311	case SR_CONF_SCAN_OPTIONS:
33c40990	312	case SR_CONF_DEVICE_OPTIONS:
e66d1892	313	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
7a0b98b5	314	case SR_CONF_CHANNEL_CONFIG:
f6c685e4 GS	315	if (!devc \|\| !devc->model)
f6c685e4 GS	316	return SR_ERR_ARG;
33c40990 BV	317	if (devc->model->channel_modes == CHANMODE_INDEPENDENT) {
	318	/* The 1-channel models. */
	319	*data = g_variant_new_strv(channel_modes, 1);
	320	} else {
	321	/* The other models support all modes. */
53012da6	322	*data = g_variant_new_strv(ARRAY_AND_SIZE(channel_modes));
33c40990 BV	323	}
	324	break;
	325	default:
	326	return SR_ERR_NA;
	327	}
	328	} else {
660e398f	329	/* We only ever have one channel per channel group in this driver. */
ba7dd8bb UH	330	ch = cg->channels->data;
ba7dd8bb UH	331	channel = ch->index;
33c40990 BV	332
	333	switch (key) {
	334	case SR_CONF_DEVICE_OPTIONS:
53012da6	335	*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg));
33c40990	336	break;
7a0b98b5	337	case SR_CONF_VOLTAGE_TARGET:
f6c685e4 GS	338	if (!devc \|\| !devc->model)
f6c685e4 GS	339	return SR_ERR_ARG;
54d471f4	340	*data = std_gvar_min_max_step_array(devc->model->channels[channel].voltage);
33c40990	341	break;
7a0b98b5	342	case SR_CONF_CURRENT_LIMIT:
f6c685e4 GS	343	if (!devc \|\| !devc->model)
f6c685e4 GS	344	return SR_ERR_ARG;
54d471f4	345	*data = std_gvar_min_max_step_array(devc->model->channels[channel].current);
33c40990 BV	346	break;
	347	default:
	348	return SR_ERR_NA;
	349	}
fa0d6afe BV	350	}
fa0d6afe BV	351
a9010323	352	return SR_OK;
fa0d6afe BV	353	}
fa0d6afe BV	354
ab988ecb BV	355	static int dev_close(struct sr_dev_inst *sdi)
	356	{
	357	struct dev_context *devc;
	358
	359	devc = sdi->priv;
f1ba6b4b	360
ab988ecb BV	361	if (devc->config_dirty)
	362	/* Some configuration changes were queued up but didn't
	363	* get sent to the device, likely because we were never
	364	* in acquisition mode. Send them out now. */
	365	send_config(sdi);
	366
	367	return std_serial_dev_close(sdi);
	368	}
	369
695dc859	370	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
fa0d6afe	371	{
33c40990 BV	372	struct dev_context *devc;
	373	struct sr_serial_dev_inst *serial;
	374	uint8_t packet[PACKET_SIZE];
	375
33c40990 BV	376	devc = sdi->priv;
	377	memset(devc->packet, 0x44, PACKET_SIZE);
	378	devc->packet_size = 0;
	379
	380	devc->acquisition_running = TRUE;
	381
	382	serial = sdi->conn;
102f1239 BV	383	serial_source_add(sdi->session, serial, G_IO_IN, 50,
102f1239 BV	384	atten_pps3xxx_receive_data, (void *)sdi);
bee2b016	385	std_session_send_df_header(sdi);
33c40990	386
ba7dd8bb	387	/* Send a "channel" configuration packet now. */
33c40990 BV	388	memset(packet, 0, PACKET_SIZE);
	389	packet[0] = 0xaa;
	390	packet[1] = 0xaa;
	391	send_packet(sdi, packet);
fa0d6afe BV	392
	393	return SR_OK;
	394	}
	395
695dc859	396	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
fa0d6afe	397	{
33c40990 BV	398	struct dev_context *devc;
33c40990 BV	399
33c40990 BV	400	devc = sdi->priv;
33c40990 BV	401	devc->acquisition_running = FALSE;
fa0d6afe BV	402
	403	return SR_OK;
	404	}
	405
dd5c48a6	406	static struct sr_dev_driver atten_pps3203_driver_info = {
33c40990 BV	407	.name = "atten-pps3203",
33c40990 BV	408	.longname = "Atten PPS3203T-3S",
fa0d6afe	409	.api_version = 1,
c2fdcc25	410	.init = std_init,
700d6b64	411	.cleanup = std_cleanup,
33c40990	412	.scan = scan_3203,
c01bf34c	413	.dev_list = std_dev_list,
f778bf02	414	.dev_clear = std_dev_clear,
fa0d6afe BV	415	.config_get = config_get,
	416	.config_set = config_set,
	417	.config_list = config_list,
33c40990	418	.dev_open = std_serial_dev_open,
ab988ecb	419	.dev_close = dev_close,
fa0d6afe BV	420	.dev_acquisition_start = dev_acquisition_start,
fa0d6afe BV	421	.dev_acquisition_stop = dev_acquisition_stop,
41812aca	422	.context = NULL,
fa0d6afe	423	};
dd5c48a6	424	SR_REGISTER_DEV_DRIVER(atten_pps3203_driver_info);