[libsigrok.git] / src / hardware / conrad-digi-35-cpu / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz>
 *
 * 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/>.
 */

/** @file
 *  <em>Conrad DIGI 35 CPU</em> power supply driver
 *  @internal
 */

#include <config.h>
#include "protocol.h"

#define SERIALCOMM "9600/8n1"

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

static const uint32_t devopts[] = {
	SR_CONF_POWER_SUPPLY,
	SR_CONF_VOLTAGE | SR_CONF_SET,
	SR_CONF_CURRENT | SR_CONF_SET,
	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_SET,
};

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct sr_dev_inst *sdi;
	struct drv_context *drvc;
	struct sr_config *src;
	struct sr_serial_dev_inst *serial;
	GSList *l, *devices;
	const char *conn, *serialcomm;

	devices = NULL;
	drvc = di->context;
	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;

	/*
	 * We cannot scan for this device because it is write-only.
	 * So just check that the port parameters are valid and assume that
	 * the device is there.
	 */

	serial = sr_serial_dev_inst_new(conn, serialcomm);

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

	serial_flush(serial);
	serial_close(serial);

	sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn);

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup("Conrad");
	sdi->model = g_strdup("DIGI 35 CPU");
	sdi->conn = serial;
	sdi->priv = NULL;
	sdi->driver = di;
	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
	drvc->instances = g_slist_append(drvc->instances, sdi);
	devices = g_slist_append(devices, sdi);

	return devices;
}

static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	int ret;
	double dblval;

	(void)cg;

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

	switch (key) {
	case SR_CONF_VOLTAGE:
		dblval = g_variant_get_double(data);
		if ((dblval < 0.0) || (dblval > 35.0)) {
			sr_err("Voltage out of range (0 - 35.0)!");
			return SR_ERR_ARG;
		}
		ret = send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5));
		break;
	case SR_CONF_CURRENT:
		dblval = g_variant_get_double(data);
		if ((dblval < 0.01) || (dblval > 2.55)) {
			sr_err("Current out of range (0 - 2.55)!");
			return SR_ERR_ARG;
		}
		ret = send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5));
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
		if (g_variant_get_boolean(data))
			ret = send_msg1(sdi, 'V', 900);
		else /* Constant current mode */
			ret = send_msg1(sdi, 'V', 901);
		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)
{
	int ret;

	(void)sdi;
	(void)cg;

	ret = SR_OK;
	switch (key) {
	case SR_CONF_SCAN_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
		break;
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
		break;
	default:
		return SR_ERR_NA;
	}

	return ret;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	return SR_OK;
}

static struct sr_dev_driver conrad_digi_35_cpu_driver_info = {
	.name = "conrad-digi-35-cpu",
	.longname = "Conrad DIGI 35 CPU",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = NULL,
	.config_get = NULL,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = std_serial_dev_open,
	.dev_close = std_serial_dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = dev_acquisition_stop,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(conrad_digi_35_cpu_driver_info);
Commit	Line	Data
	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz>
	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
	20	/** @file
	21	* <em>Conrad DIGI 35 CPU</em> power supply driver
	22	* @internal
	23	*/
	24
	25	#include <config.h>
	26	#include "protocol.h"
	27
	28	#define SERIALCOMM "9600/8n1"
	29
	30	static const uint32_t scanopts[] = {
	31	SR_CONF_CONN,
	32	SR_CONF_SERIALCOMM,
	33	};
	34
	35	static const uint32_t devopts[] = {
	36	SR_CONF_POWER_SUPPLY,
	37	SR_CONF_VOLTAGE \| SR_CONF_SET,
	38	SR_CONF_CURRENT \| SR_CONF_SET,
	39	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED \| SR_CONF_SET,
	40	};
	41
	42	static GSList scan(struct sr_dev_driver di, GSList *options)
	43	{
	44	struct sr_dev_inst *sdi;
	45	struct drv_context *drvc;
	46	struct sr_config *src;
	47	struct sr_serial_dev_inst *serial;
	48	GSList l, devices;
	49	const char conn, serialcomm;
	50
	51	devices = NULL;
	52	drvc = di->context;
	53	drvc->instances = NULL;
	54	conn = serialcomm = NULL;
	55
	56	for (l = options; l; l = l->next) {
	57	src = l->data;
	58	switch (src->key) {
	59	case SR_CONF_CONN:
	60	conn = g_variant_get_string(src->data, NULL);
	61	break;
	62	case SR_CONF_SERIALCOMM:
	63	serialcomm = g_variant_get_string(src->data, NULL);
	64	break;
	65	}
	66	}
	67	if (!conn)
	68	return NULL;
	69	if (!serialcomm)
	70	serialcomm = SERIALCOMM;
	71
	72	/*
	73	* We cannot scan for this device because it is write-only.
	74	* So just check that the port parameters are valid and assume that
	75	* the device is there.
	76	*/
	77
	78	serial = sr_serial_dev_inst_new(conn, serialcomm);
	79
	80	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	81	return NULL;
	82
	83	serial_flush(serial);
	84	serial_close(serial);
	85
	86	sr_spew("Conrad DIGI 35 CPU assumed at %s.", conn);
	87
	88	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	89	sdi->status = SR_ST_INACTIVE;
	90	sdi->vendor = g_strdup("Conrad");
	91	sdi->model = g_strdup("DIGI 35 CPU");
	92	sdi->conn = serial;
	93	sdi->priv = NULL;
	94	sdi->driver = di;
	95	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
	96	drvc->instances = g_slist_append(drvc->instances, sdi);
	97	devices = g_slist_append(devices, sdi);
	98
	99	return devices;
	100	}
	101
	102	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	103	const struct sr_channel_group *cg)
	104	{
	105	int ret;
	106	double dblval;
	107
	108	(void)cg;
	109
	110	if (sdi->status != SR_ST_ACTIVE)
	111	return SR_ERR_DEV_CLOSED;
	112
	113	switch (key) {
	114	case SR_CONF_VOLTAGE:
	115	dblval = g_variant_get_double(data);
	116	if ((dblval < 0.0) \|\| (dblval > 35.0)) {
	117	sr_err("Voltage out of range (0 - 35.0)!");
	118	return SR_ERR_ARG;
	119	}
	120	ret = send_msg1(sdi, 'V', (int) (dblval * 10 + 0.5));
	121	break;
	122	case SR_CONF_CURRENT:
	123	dblval = g_variant_get_double(data);
	124	if ((dblval < 0.01) \|\| (dblval > 2.55)) {
	125	sr_err("Current out of range (0 - 2.55)!");
	126	return SR_ERR_ARG;
	127	}
	128	ret = send_msg1(sdi, 'C', (int) (dblval * 100 + 0.5));
	129	break;
	130	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	131	if (g_variant_get_boolean(data))
	132	ret = send_msg1(sdi, 'V', 900);
	133	else /* Constant current mode */
	134	ret = send_msg1(sdi, 'V', 901);
	135	break;
	136	default:
	137	ret = SR_ERR_NA;
	138	}
	139
	140	return ret;
	141	}
	142
	143	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	144	const struct sr_channel_group *cg)
	145	{
	146	int ret;
	147
	148	(void)sdi;
	149	(void)cg;
	150
	151	ret = SR_OK;
	152	switch (key) {
	153	case SR_CONF_SCAN_OPTIONS:
	154	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	155	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	156	break;
	157	case SR_CONF_DEVICE_OPTIONS:
	158	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	159	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	160	break;
	161	default:
	162	return SR_ERR_NA;
	163	}
	164
	165	return ret;
	166	}
	167
	168	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	169	{
	170	if (sdi->status != SR_ST_ACTIVE)
	171	return SR_ERR_DEV_CLOSED;
	172
	173	return SR_OK;
	174	}
	175
	176	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	177	{
	178	if (sdi->status != SR_ST_ACTIVE)
	179	return SR_ERR_DEV_CLOSED;
	180
	181	return SR_OK;
	182	}
	183
	184	static struct sr_dev_driver conrad_digi_35_cpu_driver_info = {
	185	.name = "conrad-digi-35-cpu",
	186	.longname = "Conrad DIGI 35 CPU",
	187	.api_version = 1,
	188	.init = std_init,
	189	.cleanup = std_cleanup,
	190	.scan = scan,
	191	.dev_list = std_dev_list,
	192	.dev_clear = NULL,
	193	.config_get = NULL,
	194	.config_set = config_set,
	195	.config_list = config_list,
	196	.dev_open = std_serial_dev_open,
	197	.dev_close = std_serial_dev_close,
	198	.dev_acquisition_start = dev_acquisition_start,
	199	.dev_acquisition_stop = dev_acquisition_stop,
	200	.context = NULL,
	201	};
	202	SR_REGISTER_DEV_DRIVER(conrad_digi_35_cpu_driver_info);