[libsigrok.git] / src / hardware / mic-985xx / 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_temp[] = {
	SR_CONF_THERMOMETER,
};

static const uint32_t drvopts_temp_hum[] = {
	SR_CONF_THERMOMETER,
	SR_CONF_HYGROMETER,
};

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

static struct sr_dev_driver mic_98581_driver_info;
static struct sr_dev_driver mic_98583_driver_info;

SR_PRIV const struct mic_dev_info mic_devs[] = {
	{
		"MIC", "98581", "38400/8n2", 32000, TRUE, FALSE, 6,
		packet_valid_temp,
		&mic_98581_driver_info, receive_data_MIC_98581,
	},
	{
		"MIC", "98583", "38400/8n2", 32000, TRUE, TRUE, 10,
		packet_valid_temp_hum,
		&mic_98583_driver_info, receive_data_MIC_98583,
	},
};

static GSList *mic_scan(const char *conn, const char *serialcomm, int idx)
{
	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;

	/* TODO: Query device type. */
	// ret = mic_cmd_get_device_info(serial);

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

	/* TODO: Fill in version from protocol response. */
	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup(mic_devs[idx].vendor);
	sdi->model = g_strdup(mic_devs[idx].device);
	devc = g_malloc0(sizeof(struct dev_context));
	sr_sw_limits_init(&devc->limits);
	sdi->inst_type = SR_INST_SERIAL;
	sdi->conn = serial;
	sdi->priv = devc;

	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "Temperature");

	if (mic_devs[idx].has_humidity)
		sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "Humidity");

	serial_close(serial);

	return std_scan_complete(mic_devs[idx].di, 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 = mic_scan(conn, serialcomm, idx);
	else
		devices = mic_scan(conn, mic_devs[idx].conn, idx);

	return 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->limits, key, data);
}

static int config_list(uint32_t key, GVariant **data,
	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg, int idx)
{
	/*
	 * We can't use the ternary operator here! The result would contain
	 * sizeof((cond) ? A : B) where A/B are arrays of different type/size.
	 * The ternary operator always returns the "common" type of A and B,
	 * which would be a pointer instead of either the A or B arrays.
	 * Thus, sizeof() would yield the size of a pointer, not the size
	 * of either the A or B array, which is not what we want.
	 */
	if (mic_devs[idx].has_humidity)
		return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts_temp_hum, devopts);
	else
		return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts_temp, 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->limits);
	std_session_send_df_header(sdi);

	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 100,
		      mic_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 *di, GSList *options) { \
	(void)di; return scan(options, X); }
#define HW_CONFIG_LIST(X) \
static int config_list_##X(uint32_t key, GVariant **data, \
const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { \
return config_list(key, data, sdi, cg, 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_CONFIG_LIST(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_##ID_UPPER, \
	.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(mic_98581, MIC_98581, "mic-98581", "MIC 98581")
DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583")
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_temp[] = {
	29	SR_CONF_THERMOMETER,
	30	};
	31
	32	static const uint32_t drvopts_temp_hum[] = {
	33	SR_CONF_THERMOMETER,
	34	SR_CONF_HYGROMETER,
	35	};
	36
	37	static const uint32_t devopts[] = {
	38	SR_CONF_CONTINUOUS,
	39	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	40	SR_CONF_LIMIT_MSEC \| SR_CONF_SET,
	41	};
	42
	43	static struct sr_dev_driver mic_98581_driver_info;
	44	static struct sr_dev_driver mic_98583_driver_info;
	45
	46	SR_PRIV const struct mic_dev_info mic_devs[] = {
	47	{
	48	"MIC", "98581", "38400/8n2", 32000, TRUE, FALSE, 6,
	49	packet_valid_temp,
	50	&mic_98581_driver_info, receive_data_MIC_98581,
	51	},
	52	{
	53	"MIC", "98583", "38400/8n2", 32000, TRUE, TRUE, 10,
	54	packet_valid_temp_hum,
	55	&mic_98583_driver_info, receive_data_MIC_98583,
	56	},
	57	};
	58
	59	static GSList mic_scan(const char conn, const char *serialcomm, int idx)
	60	{
	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	/* TODO: Query device type. */
	71	// ret = mic_cmd_get_device_info(serial);
	72
	73	sr_info("Found device on port %s.", conn);
	74
	75	/* TODO: Fill in version from protocol response. */
	76	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	77	sdi->status = SR_ST_INACTIVE;
	78	sdi->vendor = g_strdup(mic_devs[idx].vendor);
	79	sdi->model = g_strdup(mic_devs[idx].device);
	80	devc = g_malloc0(sizeof(struct dev_context));
	81	sr_sw_limits_init(&devc->limits);
	82	sdi->inst_type = SR_INST_SERIAL;
	83	sdi->conn = serial;
	84	sdi->priv = devc;
	85
	86	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "Temperature");
	87
	88	if (mic_devs[idx].has_humidity)
	89	sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "Humidity");
	90
	91	serial_close(serial);
	92
	93	return std_scan_complete(mic_devs[idx].di, g_slist_append(NULL, sdi));
	94	}
	95
	96	static GSList scan(GSList options, int idx)
	97	{
	98	struct sr_config *src;
	99	GSList l, devices;
	100	const char conn, serialcomm;
	101
	102	conn = serialcomm = NULL;
	103	for (l = options; l; l = l->next) {
	104	src = l->data;
	105	switch (src->key) {
	106	case SR_CONF_CONN:
	107	conn = g_variant_get_string(src->data, NULL);
	108	break;
	109	case SR_CONF_SERIALCOMM:
	110	serialcomm = g_variant_get_string(src->data, NULL);
	111	break;
	112	}
	113	}
	114	if (!conn)
	115	return NULL;
	116
	117	if (serialcomm)
	118	devices = mic_scan(conn, serialcomm, idx);
	119	else
	120	devices = mic_scan(conn, mic_devs[idx].conn, idx);
	121
	122	return devices;
	123	}
	124
	125	static int config_set(uint32_t key, GVariant *data,
	126	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	127	{
	128	struct dev_context *devc;
	129
	130	(void)cg;
	131
	132	devc = sdi->priv;
	133
	134	return sr_sw_limits_config_set(&devc->limits, key, data);
	135	}
	136
	137	static int config_list(uint32_t key, GVariant **data,
	138	const struct sr_dev_inst sdi, const struct sr_channel_group cg, int idx)
	139	{
	140	/*
	141	* We can't use the ternary operator here! The result would contain
	142	* sizeof((cond) ? A : B) where A/B are arrays of different type/size.
	143	* The ternary operator always returns the "common" type of A and B,
	144	* which would be a pointer instead of either the A or B arrays.
	145	* Thus, sizeof() would yield the size of a pointer, not the size
	146	* of either the A or B array, which is not what we want.
	147	*/
	148	if (mic_devs[idx].has_humidity)
	149	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts_temp_hum, devopts);
	150	else
	151	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts_temp, devopts);
	152	}
	153
	154	static int dev_acquisition_start(const struct sr_dev_inst *sdi, int idx)
	155	{
	156	struct dev_context *devc;
	157	struct sr_serial_dev_inst *serial;
	158
	159	devc = sdi->priv;
	160
	161	sr_sw_limits_acquisition_start(&devc->limits);
	162	std_session_send_df_header(sdi);
	163
	164	serial = sdi->conn;
	165	serial_source_add(sdi->session, serial, G_IO_IN, 100,
	166	mic_devs[idx].receive_data, (void *)sdi);
	167
	168	return SR_OK;
	169	}
	170
	171	/* Driver-specific API function wrappers */
	172	#define HW_SCAN(X) \
	173	static GSList scan_##X(struct sr_dev_driver di, GSList *options) { \
	174	(void)di; return scan(options, X); }
	175	#define HW_CONFIG_LIST(X) \
	176	static int config_list_##X(uint32_t key, GVariant **data, \
	177	const struct sr_dev_inst sdi, const struct sr_channel_group cg) { \
	178	return config_list(key, data, sdi, cg, X); }
	179	#define HW_DEV_ACQUISITION_START(X) \
	180	static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi \
	181	) { return dev_acquisition_start(sdi, X); }
	182
	183	/* Driver structs and API function wrappers */
	184	#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
	185	HW_SCAN(ID_UPPER) \
	186	HW_CONFIG_LIST(ID_UPPER) \
	187	HW_DEV_ACQUISITION_START(ID_UPPER) \
	188	static struct sr_dev_driver ID##_driver_info = { \
	189	.name = NAME, \
	190	.longname = LONGNAME, \
	191	.api_version = 1, \
	192	.init = std_init, \
	193	.cleanup = std_cleanup, \
	194	.scan = scan_##ID_UPPER, \
	195	.dev_list = std_dev_list, \
	196	.dev_clear = std_dev_clear, \
	197	.config_get = NULL, \
	198	.config_set = config_set, \
	199	.config_list = config_list_##ID_UPPER, \
	200	.dev_open = std_serial_dev_open, \
	201	.dev_close = std_serial_dev_close, \
	202	.dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \
	203	.dev_acquisition_stop = std_serial_dev_acquisition_stop, \
	204	.context = NULL, \
	205	}; \
	206	SR_REGISTER_DEV_DRIVER(ID##_driver_info)
	207
	208	DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581")
	209	DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583")