[libsigrok.git] / src / hardware / center-3xx / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * 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 2 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 "protocol.h"

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

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

static const uint32_t devopts[] = {
	SR_CONF_CONTINUOUS,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_SET,
};

static const char *channel_names[] = {
	"T1", "T2", "T3", "T4",
};

static struct sr_dev_driver center_309_driver_info;
static struct sr_dev_driver voltcraft_k204_driver_info;

SR_PRIV const struct center_dev_info center_devs[] = {
	{
		"Center", "309", "9600/8n1", 4, 32000, 45,
		center_3xx_packet_valid,
		&center_309_driver_info, receive_data_CENTER_309,
	},
	{
		"Voltcraft", "K204", "9600/8n1", 4, 32000, 45,
		center_3xx_packet_valid,
		&voltcraft_k204_driver_info, receive_data_VOLTCRAFT_K204,
	},
};

static GSList *center_scan(const char *conn, const char *serialcomm, int idx)
{
	int i;
	struct sr_dev_inst *sdi;
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;

	serial = sr_serial_dev_inst_new(conn, serialcomm);

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

	sr_info("Found device on port %s.", conn);

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup(center_devs[idx].vendor);
	sdi->model = g_strdup(center_devs[idx].device);
	devc = g_malloc0(sizeof(struct dev_context));
	sdi->inst_type = SR_INST_SERIAL;
	sdi->conn = serial;
	sdi->priv = devc;

	for (i = 0; i < center_devs[idx].num_channels; i++)
		sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]);

	serial_close(serial);

	return g_slist_append(NULL, sdi);
}

static GSList *scan(GSList *options, int idx)
{
	struct sr_config *src;
	GSList *l, *devices;
	const char *conn, *serialcomm;

	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)
		devices = center_scan(conn, serialcomm, idx);
	else
		devices = center_scan(conn, center_devs[idx].conn, idx);

	return std_scan_complete(center_devs[idx].di, devices);
}

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;

	(void)cg;

	devc = sdi->priv;

	return sr_sw_limits_config_set(&devc->sw_limits, key, data);
}

static int config_list(uint32_t key, GVariant **data,
	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi, int idx)
{
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;

	devc = sdi->priv;

	sr_sw_limits_acquisition_start(&devc->sw_limits);

	std_session_send_df_header(sdi);

	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 500,
		      center_devs[idx].receive_data, (void *)sdi);

	return SR_OK;
}

/* Driver-specific API function wrappers */
#define HW_SCAN(X) \
static GSList *scan_##X(struct sr_dev_driver *d, GSList *options) { \
	(void)d; return scan(options, X); }
#define HW_DEV_ACQUISITION_START(X) \
static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi \
) { return dev_acquisition_start(sdi, X); }

/* Driver structs and API function wrappers */
#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
HW_SCAN(ID_UPPER) \
HW_DEV_ACQUISITION_START(ID_UPPER) \
static struct sr_dev_driver ID##_driver_info = { \
	.name = NAME, \
	.longname = LONGNAME, \
	.api_version = 1, \
	.init = std_init, \
	.cleanup = std_cleanup, \
	.scan = scan_##ID_UPPER, \
	.dev_list = std_dev_list, \
	.dev_clear = std_dev_clear, \
	.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_##ID_UPPER, \
	.dev_acquisition_stop = std_serial_dev_acquisition_stop, \
	.context = NULL, \
}; \
SR_REGISTER_DEV_DRIVER(ID##_driver_info);

DRV(center_309, CENTER_309, "center-309", "Center 309")
DRV(voltcraft_k204, VOLTCRAFT_K204, "voltcraft-k204", "Voltcraft K204")
Commit	Line	Data
	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
	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 2 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	#include <config.h>
	21	#include "protocol.h"
	22
	23	static const uint32_t scanopts[] = {
	24	SR_CONF_CONN,
	25	SR_CONF_SERIALCOMM,
	26	};
	27
	28	static const uint32_t drvopts[] = {
	29	SR_CONF_THERMOMETER,
	30	};
	31
	32	static const uint32_t devopts[] = {
	33	SR_CONF_CONTINUOUS,
	34	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	35	SR_CONF_LIMIT_MSEC \| SR_CONF_SET,
	36	};
	37
	38	static const char *channel_names[] = {
	39	"T1", "T2", "T3", "T4",
	40	};
	41
	42	static struct sr_dev_driver center_309_driver_info;
	43	static struct sr_dev_driver voltcraft_k204_driver_info;
	44
	45	SR_PRIV const struct center_dev_info center_devs[] = {
	46	{
	47	"Center", "309", "9600/8n1", 4, 32000, 45,
	48	center_3xx_packet_valid,
	49	&center_309_driver_info, receive_data_CENTER_309,
	50	},
	51	{
	52	"Voltcraft", "K204", "9600/8n1", 4, 32000, 45,
	53	center_3xx_packet_valid,
	54	&voltcraft_k204_driver_info, receive_data_VOLTCRAFT_K204,
	55	},
	56	};
	57
	58	static GSList center_scan(const char conn, const char *serialcomm, int idx)
	59	{
	60	int i;
	61	struct sr_dev_inst *sdi;
	62	struct dev_context *devc;
	63	struct sr_serial_dev_inst *serial;
	64
	65	serial = sr_serial_dev_inst_new(conn, serialcomm);
	66
	67	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	68	return NULL;
	69
	70	sr_info("Found device on port %s.", conn);
	71
	72	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	73	sdi->status = SR_ST_INACTIVE;
	74	sdi->vendor = g_strdup(center_devs[idx].vendor);
	75	sdi->model = g_strdup(center_devs[idx].device);
	76	devc = g_malloc0(sizeof(struct dev_context));
	77	sdi->inst_type = SR_INST_SERIAL;
	78	sdi->conn = serial;
	79	sdi->priv = devc;
	80
	81	for (i = 0; i < center_devs[idx].num_channels; i++)
	82	sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]);
	83
	84	serial_close(serial);
	85
	86	return g_slist_append(NULL, sdi);
	87	}
	88
	89	static GSList scan(GSList options, int idx)
	90	{
	91	struct sr_config *src;
	92	GSList l, devices;
	93	const char conn, serialcomm;
	94
	95	conn = serialcomm = NULL;
	96	for (l = options; l; l = l->next) {
	97	src = l->data;
	98	switch (src->key) {
	99	case SR_CONF_CONN:
	100	conn = g_variant_get_string(src->data, NULL);
	101	break;
	102	case SR_CONF_SERIALCOMM:
	103	serialcomm = g_variant_get_string(src->data, NULL);
	104	break;
	105	}
	106	}
	107	if (!conn)
	108	return NULL;
	109
	110	if (serialcomm)
	111	devices = center_scan(conn, serialcomm, idx);
	112	else
	113	devices = center_scan(conn, center_devs[idx].conn, idx);
	114
	115	return std_scan_complete(center_devs[idx].di, devices);
	116	}
	117
	118	static int config_set(uint32_t key, GVariant *data,
	119	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	120	{
	121	struct dev_context *devc;
	122
	123	(void)cg;
	124
	125	devc = sdi->priv;
	126
	127	return sr_sw_limits_config_set(&devc->sw_limits, key, data);
	128	}
	129
	130	static int config_list(uint32_t key, GVariant **data,
	131	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	132	{
	133	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
	134	}
	135
	136	static int dev_acquisition_start(const struct sr_dev_inst *sdi, int idx)
	137	{
	138	struct dev_context *devc;
	139	struct sr_serial_dev_inst *serial;
	140
	141	devc = sdi->priv;
	142
	143	sr_sw_limits_acquisition_start(&devc->sw_limits);
	144
	145	std_session_send_df_header(sdi);
	146
	147	serial = sdi->conn;
	148	serial_source_add(sdi->session, serial, G_IO_IN, 500,
	149	center_devs[idx].receive_data, (void *)sdi);
	150
	151	return SR_OK;
	152	}
	153
	154	/* Driver-specific API function wrappers */
	155	#define HW_SCAN(X) \
	156	static GSList scan_##X(struct sr_dev_driver d, GSList *options) { \
	157	(void)d; return scan(options, X); }
	158	#define HW_DEV_ACQUISITION_START(X) \
	159	static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi \
	160	) { return dev_acquisition_start(sdi, X); }
	161
	162	/* Driver structs and API function wrappers */
	163	#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
	164	HW_SCAN(ID_UPPER) \
	165	HW_DEV_ACQUISITION_START(ID_UPPER) \
	166	static struct sr_dev_driver ID##_driver_info = { \
	167	.name = NAME, \
	168	.longname = LONGNAME, \
	169	.api_version = 1, \
	170	.init = std_init, \
	171	.cleanup = std_cleanup, \
	172	.scan = scan_##ID_UPPER, \
	173	.dev_list = std_dev_list, \
	174	.dev_clear = std_dev_clear, \
	175	.config_get = NULL, \
	176	.config_set = config_set, \
	177	.config_list = config_list, \
	178	.dev_open = std_serial_dev_open, \
	179	.dev_close = std_serial_dev_close, \
	180	.dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
	181	.dev_acquisition_stop = std_serial_dev_acquisition_stop, \
	182	.context = NULL, \
	183	}; \
	184	SR_REGISTER_DEV_DRIVER(ID##_driver_info);
	185
	186	DRV(center_309, CENTER_309, "center-309", "Center 309")
	187	DRV(voltcraft_k204, VOLTCRAFT_K204, "voltcraft-k204", "Voltcraft K204")