[libsigrok.git] / src / hardware / ikalogic-scanaplus / 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"

#define USB_VENDOR_ID			0x0403
#define USB_DEVICE_ID			0x6014
#define USB_VENDOR_NAME			"IKALOGIC"
#define USB_MODEL_NAME			"ScanaPLUS"
#define USB_IPRODUCT			"SCANAPLUS"

#define SAMPLE_BUF_SIZE			(8 * 1024 * 1024)

static const uint32_t devopts[] = {
	SR_CONF_LOGIC_ANALYZER,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_SET,
	SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};

/* Channels are numbered 1-9. */
static const char *channel_names[] = {
	"1", "2", "3", "4", "5", "6", "7", "8", "9",
};

/* Note: The IKALOGIC ScanaPLUS always samples at 100MHz. */
static const uint64_t samplerates[1] = { SR_MHZ(100) };

static void clear_helper(void *priv)
{
	struct dev_context *devc;

	devc = priv;

	ftdi_free(devc->ftdic);
	g_free(devc->compressed_buf);
	g_free(devc->sample_buf);
	g_free(devc);
}

static int dev_clear(const struct sr_dev_driver *di)
{
	return std_dev_clear(di, clear_helper);
}

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct sr_dev_inst *sdi;
	struct dev_context *devc;
	unsigned int i;
	int ret;

	(void)options;

	/* Allocate memory for our private device context. */
	devc = g_malloc0(sizeof(struct dev_context));

	/* Allocate memory for the incoming compressed samples. */
	if (!(devc->compressed_buf = g_try_malloc0(COMPRESSED_BUF_SIZE))) {
		sr_err("compressed_buf malloc failed.");
		goto err_free_devc;
	}

	/* Allocate memory for the uncompressed samples. */
	if (!(devc->sample_buf = g_try_malloc0(SAMPLE_BUF_SIZE))) {
		sr_err("sample_buf malloc failed.");
		goto err_free_compressed_buf;
	}

	/* Allocate memory for the FTDI context (ftdic) and initialize it. */
	if (!(devc->ftdic = ftdi_new())) {
		sr_err("Failed to initialize libftdi.");
		goto err_free_sample_buf;
	}

	/* Check for the device and temporarily open it. */
	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
				 USB_IPRODUCT, NULL);
	if (ret < 0) {
		/* Log errors, except for -3 ("device not found"). */
		if (ret != -3)
			sr_err("Failed to open device (%d): %s", ret,
			       ftdi_get_error_string(devc->ftdic));
		goto err_free_ftdic;
	}

	/* Register the device with libsigrok. */
	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup(USB_VENDOR_NAME);
	sdi->model = g_strdup(USB_MODEL_NAME);
	sdi->priv = devc;

	for (i = 0; i < ARRAY_SIZE(channel_names); i++)
		sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_names[i]);

	/* Close device. We'll reopen it again when we need it. */
	scanaplus_close(devc);

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

	scanaplus_close(devc);
err_free_ftdic:
	ftdi_free(devc->ftdic); /* NOT free() or g_free()! */
err_free_sample_buf:
	g_free(devc->sample_buf);
err_free_compressed_buf:
	g_free(devc->compressed_buf);
err_free_devc:
	g_free(devc);

	return NULL;
}

static int dev_open(struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	int ret;

	devc = sdi->priv;

	/* Select interface A, otherwise communication will fail. */
	ret = ftdi_set_interface(devc->ftdic, INTERFACE_A);
	if (ret < 0) {
		sr_err("Failed to set FTDI interface A (%d): %s", ret,
		       ftdi_get_error_string(devc->ftdic));
		return SR_ERR;
	}
	sr_dbg("FTDI chip interface A set successfully.");

	/* Open the device. */
	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
				 USB_IPRODUCT, NULL);
	if (ret < 0) {
		sr_err("Failed to open device (%d): %s", ret,
		       ftdi_get_error_string(devc->ftdic));
		return SR_ERR;
	}
	sr_dbg("FTDI device opened successfully.");

	/* Purge RX/TX buffers in the FTDI chip. */
	if ((ret = ftdi_usb_purge_buffers(devc->ftdic)) < 0) {
		sr_err("Failed to purge FTDI RX/TX buffers (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip buffers purged successfully.");

	/* Reset the FTDI bitmode. */
	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_RESET);
	if (ret < 0) {
		sr_err("Failed to reset the FTDI chip bitmode (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip bitmode reset successfully.");

	/* Set FTDI bitmode to "sync FIFO". */
	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_SYNCFF);
	if (ret < 0) {
		sr_err("Failed to put FTDI chip into sync FIFO mode (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip sync FIFO mode entered successfully.");

	/* Set the FTDI latency timer to 2. */
	ret = ftdi_set_latency_timer(devc->ftdic, 2);
	if (ret < 0) {
		sr_err("Failed to set FTDI latency timer (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip latency timer set successfully.");

	/* Set the FTDI read data chunk size to 64kB. */
	ret = ftdi_read_data_set_chunksize(devc->ftdic, 64 * 1024);
	if (ret < 0) {
		sr_err("Failed to set FTDI read data chunk size (%d): %s.",
		       ret, ftdi_get_error_string(devc->ftdic));
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("FTDI chip read data chunk size set successfully.");

	/* Get the ScanaPLUS device ID from the FTDI EEPROM. */
	if ((ret = scanaplus_get_device_id(devc)) < 0) {
		sr_err("Failed to get ScanaPLUS device ID: %d.", ret);
		goto err_dev_open_close_ftdic;
	}
	sr_dbg("Received ScanaPLUS device ID successfully: %02x %02x %02x.",
	       devc->devid[0], devc->devid[1], devc->devid[2]);

	sdi->status = SR_ST_ACTIVE;

	return SR_OK;

err_dev_open_close_ftdic:
	scanaplus_close(devc);
	return SR_ERR;
}

static int dev_close(struct sr_dev_inst *sdi)
{
	struct dev_context *devc;

	devc = sdi->priv;

	sdi->status = SR_ST_INACTIVE;

	return scanaplus_close(devc);
}

static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	(void)sdi;
	(void)cg;

	switch (key) {
	case SR_CONF_SAMPLERATE:
		/* The ScanaPLUS samplerate is 100MHz and can't be changed. */
		*data = g_variant_new_uint64(SR_MHZ(100));
		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;

	(void)cg;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_SAMPLERATE:
		if (g_variant_get_uint64(data) != SR_MHZ(100)) {
			sr_err("ScanaPLUS only supports samplerate = 100MHz.");
			return SR_ERR_ARG;
		}
		/* Nothing to do, the ScanaPLUS samplerate is always 100MHz. */
		break;
	case SR_CONF_LIMIT_MSEC:
		if (g_variant_get_uint64(data) == 0)
			return SR_ERR_ARG;
		devc->limit_msec = g_variant_get_uint64(data);
		break;
	case SR_CONF_LIMIT_SAMPLES:
		if (g_variant_get_uint64(data) == 0)
			return SR_ERR_ARG;
		devc->limit_samples = g_variant_get_uint64(data);
		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)
{
	GVariant *gvar;
	GVariantBuilder gvb;

	(void)sdi;
	(void)cg;

	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_SAMPLERATE:
		g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
		gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
				samplerates, ARRAY_SIZE(samplerates),
				sizeof(uint64_t));
		g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
		*data = g_variant_builder_end(&gvb);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	int ret;
	struct dev_context *devc;

	devc = sdi->priv;

	if (!devc->ftdic)
		return SR_ERR_BUG;

	/* TODO: Configure channels later (thresholds etc.). */

	/* Properly reset internal variables before every new acquisition. */
	devc->compressed_bytes_ignored = 0;
	devc->samples_sent = 0;
	devc->bytes_received = 0;

	if ((ret = scanaplus_init(devc)) < 0)
		return ret;

	if ((ret = scanaplus_start_acquisition(devc)) < 0)
		return ret;

	std_session_send_df_header(sdi);

	/* Hook up a dummy handler to receive data from the device. */
	sr_session_source_add(sdi->session, -1, 0, 0, scanaplus_receive_data, (void *)sdi);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	sr_session_source_remove(sdi->session, -1);
	std_session_send_df_end(sdi);

	return SR_OK;
}

static struct sr_dev_driver ikalogic_scanaplus_driver_info = {
	.name = "ikalogic-scanaplus",
	.longname = "IKALOGIC ScanaPLUS",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = dev_clear,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = dev_open,
	.dev_close = dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = dev_acquisition_stop,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(ikalogic_scanaplus_driver_info);
Commit	Line	Data
fdf4a1f5 UH	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
2ea1fdf1	17	* along with this program; if not, see <http://www.gnu.org/licenses/>.
fdf4a1f5 UH	18	*/
fdf4a1f5 UH	19
6ec6c43b	20	#include <config.h>
fdf4a1f5 UH	21	#include "protocol.h"
fdf4a1f5 UH	22
ab4bb6eb UH	23	#define USB_VENDOR_ID 0x0403
ab4bb6eb UH	24	#define USB_DEVICE_ID 0x6014
ce95428c	25	#define USB_VENDOR_NAME "IKALOGIC"
ab4bb6eb UH	26	#define USB_MODEL_NAME "ScanaPLUS"
	27	#define USB_IPRODUCT "SCANAPLUS"
	28
	29	#define SAMPLE_BUF_SIZE (8 * 1024 * 1024)
	30
f254bc4b	31	static const uint32_t devopts[] = {
ab4bb6eb	32	SR_CONF_LOGIC_ANALYZER,
5827f61b BV	33	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	34	SR_CONF_LIMIT_MSEC \| SR_CONF_SET,
	35	SR_CONF_SAMPLERATE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
ab4bb6eb UH	36	};
ab4bb6eb UH	37
ba7dd8bb UH	38	/* Channels are numbered 1-9. */
ba7dd8bb UH	39	static const char *channel_names[] = {
ab4bb6eb	40	"1", "2", "3", "4", "5", "6", "7", "8", "9",
ab4bb6eb UH	41	};
ab4bb6eb UH	42
ce95428c	43	/* Note: The IKALOGIC ScanaPLUS always samples at 100MHz. */
329733d9	44	static const uint64_t samplerates[1] = { SR_MHZ(100) };
ab4bb6eb	45
ab4bb6eb UH	46	static void clear_helper(void *priv)
	47	{
	48	struct dev_context *devc;
	49
	50	devc = priv;
	51
	52	ftdi_free(devc->ftdic);
	53	g_free(devc->compressed_buf);
	54	g_free(devc->sample_buf);
f817f05a	55	g_free(devc);
ab4bb6eb UH	56	}
ab4bb6eb UH	57
4f840ce9	58	static int dev_clear(const struct sr_dev_driver *di)
ab4bb6eb UH	59	{
	60	return std_dev_clear(di, clear_helper);
	61	}
	62
4f840ce9	63	static GSList scan(struct sr_dev_driver di, GSList *options)
fdf4a1f5	64	{
ab4bb6eb	65	struct sr_dev_inst *sdi;
ab4bb6eb	66	struct dev_context *devc;
ab4bb6eb UH	67	unsigned int i;
ab4bb6eb UH	68	int ret;
fdf4a1f5 UH	69
	70	(void)options;
	71
ab4bb6eb	72	/* Allocate memory for our private device context. */
f57d8ffe	73	devc = g_malloc0(sizeof(struct dev_context));
ab4bb6eb UH	74
	75	/* Allocate memory for the incoming compressed samples. */
	76	if (!(devc->compressed_buf = g_try_malloc0(COMPRESSED_BUF_SIZE))) {
	77	sr_err("compressed_buf malloc failed.");
	78	goto err_free_devc;
	79	}
	80
	81	/* Allocate memory for the uncompressed samples. */
	82	if (!(devc->sample_buf = g_try_malloc0(SAMPLE_BUF_SIZE))) {
	83	sr_err("sample_buf malloc failed.");
	84	goto err_free_compressed_buf;
	85	}
	86
	87	/* Allocate memory for the FTDI context (ftdic) and initialize it. */
	88	if (!(devc->ftdic = ftdi_new())) {
	89	sr_err("Failed to initialize libftdi.");
	90	goto err_free_sample_buf;
	91	}
	92
	93	/* Check for the device and temporarily open it. */
	94	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
	95	USB_IPRODUCT, NULL);
	96	if (ret < 0) {
	97	/* Log errors, except for -3 ("device not found"). */
	98	if (ret != -3)
	99	sr_err("Failed to open device (%d): %s", ret,
	100	ftdi_get_error_string(devc->ftdic));
	101	goto err_free_ftdic;
	102	}
	103
	104	/* Register the device with libsigrok. */
aac29cc1	105	sdi = g_malloc0(sizeof(struct sr_dev_inst));
45884333	106	sdi->status = SR_ST_INACTIVE;
0af636be UH	107	sdi->vendor = g_strdup(USB_VENDOR_NAME);
0af636be UH	108	sdi->model = g_strdup(USB_MODEL_NAME);
ab4bb6eb UH	109	sdi->priv = devc;
ab4bb6eb UH	110
0f34cb47 UH	111	for (i = 0; i < ARRAY_SIZE(channel_names); i++)
0f34cb47 UH	112	sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_names[i]);
ab4bb6eb	113
ab4bb6eb UH	114	/* Close device. We'll reopen it again when we need it. */
ab4bb6eb UH	115	scanaplus_close(devc);
fdf4a1f5	116
43376f33	117	return std_scan_complete(di, g_slist_append(NULL, sdi));
ab4bb6eb	118
ab4bb6eb UH	119	scanaplus_close(devc);
	120	err_free_ftdic:
	121	ftdi_free(devc->ftdic); /* NOT free() or g_free()! */
	122	err_free_sample_buf:
	123	g_free(devc->sample_buf);
	124	err_free_compressed_buf:
	125	g_free(devc->compressed_buf);
	126	err_free_devc:
	127	g_free(devc);
ab4bb6eb UH	128
ab4bb6eb UH	129	return NULL;
fdf4a1f5 UH	130	}
fdf4a1f5 UH	131
fdf4a1f5 UH	132	static int dev_open(struct sr_dev_inst *sdi)
fdf4a1f5 UH	133	{
ab4bb6eb UH	134	struct dev_context *devc;
	135	int ret;
	136
	137	devc = sdi->priv;
	138
	139	/* Select interface A, otherwise communication will fail. */
	140	ret = ftdi_set_interface(devc->ftdic, INTERFACE_A);
	141	if (ret < 0) {
	142	sr_err("Failed to set FTDI interface A (%d): %s", ret,
	143	ftdi_get_error_string(devc->ftdic));
	144	return SR_ERR;
	145	}
	146	sr_dbg("FTDI chip interface A set successfully.");
	147
	148	/* Open the device. */
	149	ret = ftdi_usb_open_desc(devc->ftdic, USB_VENDOR_ID, USB_DEVICE_ID,
	150	USB_IPRODUCT, NULL);
	151	if (ret < 0) {
	152	sr_err("Failed to open device (%d): %s", ret,
	153	ftdi_get_error_string(devc->ftdic));
	154	return SR_ERR;
	155	}
	156	sr_dbg("FTDI device opened successfully.");
	157
	158	/* Purge RX/TX buffers in the FTDI chip. */
	159	if ((ret = ftdi_usb_purge_buffers(devc->ftdic)) < 0) {
	160	sr_err("Failed to purge FTDI RX/TX buffers (%d): %s.",
	161	ret, ftdi_get_error_string(devc->ftdic));
	162	goto err_dev_open_close_ftdic;
	163	}
	164	sr_dbg("FTDI chip buffers purged successfully.");
	165
	166	/* Reset the FTDI bitmode. */
	167	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_RESET);
	168	if (ret < 0) {
	169	sr_err("Failed to reset the FTDI chip bitmode (%d): %s.",
	170	ret, ftdi_get_error_string(devc->ftdic));
	171	goto err_dev_open_close_ftdic;
	172	}
	173	sr_dbg("FTDI chip bitmode reset successfully.");
	174
	175	/* Set FTDI bitmode to "sync FIFO". */
	176	ret = ftdi_set_bitmode(devc->ftdic, 0xff, BITMODE_SYNCFF);
	177	if (ret < 0) {
	178	sr_err("Failed to put FTDI chip into sync FIFO mode (%d): %s.",
	179	ret, ftdi_get_error_string(devc->ftdic));
	180	goto err_dev_open_close_ftdic;
	181	}
	182	sr_dbg("FTDI chip sync FIFO mode entered successfully.");
	183
	184	/* Set the FTDI latency timer to 2. */
	185	ret = ftdi_set_latency_timer(devc->ftdic, 2);
	186	if (ret < 0) {
	187	sr_err("Failed to set FTDI latency timer (%d): %s.",
	188	ret, ftdi_get_error_string(devc->ftdic));
	189	goto err_dev_open_close_ftdic;
	190	}
	191	sr_dbg("FTDI chip latency timer set successfully.");
	192
	193	/* Set the FTDI read data chunk size to 64kB. */
	194	ret = ftdi_read_data_set_chunksize(devc->ftdic, 64 * 1024);
	195	if (ret < 0) {
	196	sr_err("Failed to set FTDI read data chunk size (%d): %s.",
	197	ret, ftdi_get_error_string(devc->ftdic));
198	goto err_dev_open_close_ftdic;
199	}
200	sr_dbg("FTDI chip read data chunk size set successfully.");
201
202	/* Get the ScanaPLUS device ID from the FTDI EEPROM. */
203	if ((ret = scanaplus_get_device_id(devc)) < 0) {
204	sr_err("Failed to get ScanaPLUS device ID: %d.", ret);
205	goto err_dev_open_close_ftdic;
206	}
207	sr_dbg("Received ScanaPLUS device ID successfully: %02x %02x %02x.",
208	devc->devid[0], devc->devid[1], devc->devid[2]);
fdf4a1f5 UH	209
	210	sdi->status = SR_ST_ACTIVE;
	211
	212	return SR_OK;
ab4bb6eb UH	213
	214	err_dev_open_close_ftdic:
	215	scanaplus_close(devc);
	216	return SR_ERR;
fdf4a1f5 UH	217	}
	218
	219	static int dev_close(struct sr_dev_inst *sdi)
	220	{
ab4bb6eb UH	221	struct dev_context *devc;
ab4bb6eb UH	222
ab4bb6eb UH	223	devc = sdi->priv;
ab4bb6eb UH	224
fdf4a1f5 UH	225	sdi->status = SR_ST_INACTIVE;
fdf4a1f5 UH	226
093e1cba	227	return scanaplus_close(devc);
fdf4a1f5 UH	228	}
fdf4a1f5 UH	229
584560f1	230	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	231	const struct sr_channel_group *cg)
fdf4a1f5	232	{
fdf4a1f5	233	(void)sdi;
53b4680f	234	(void)cg;
fdf4a1f5	235
584560f1	236	switch (key) {
ab4bb6eb UH	237	case SR_CONF_SAMPLERATE:
	238	/* The ScanaPLUS samplerate is 100MHz and can't be changed. */
	239	*data = g_variant_new_uint64(SR_MHZ(100));
	240	break;
fdf4a1f5 UH	241	default:
	242	return SR_ERR_NA;
	243	}
	244
ab4bb6eb	245	return SR_OK;
fdf4a1f5 UH	246	}
fdf4a1f5 UH	247
584560f1	248	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	249	const struct sr_channel_group *cg)
fdf4a1f5	250	{
ab4bb6eb	251	struct dev_context *devc;
fdf4a1f5	252
53b4680f	253	(void)cg;
d3c74a6f	254
ab4bb6eb UH	255	devc = sdi->priv;
ab4bb6eb UH	256
584560f1	257	switch (key) {
ab4bb6eb UH	258	case SR_CONF_SAMPLERATE:
	259	if (g_variant_get_uint64(data) != SR_MHZ(100)) {
	260	sr_err("ScanaPLUS only supports samplerate = 100MHz.");
	261	return SR_ERR_ARG;
	262	}
	263	/* Nothing to do, the ScanaPLUS samplerate is always 100MHz. */
	264	break;
	265	case SR_CONF_LIMIT_MSEC:
	266	if (g_variant_get_uint64(data) == 0)
	267	return SR_ERR_ARG;
	268	devc->limit_msec = g_variant_get_uint64(data);
	269	break;
	270	case SR_CONF_LIMIT_SAMPLES:
	271	if (g_variant_get_uint64(data) == 0)
	272	return SR_ERR_ARG;
	273	devc->limit_samples = g_variant_get_uint64(data);
	274	break;
fdf4a1f5	275	default:
ab4bb6eb	276	return SR_ERR_NA;
fdf4a1f5 UH	277	}
fdf4a1f5 UH	278
ab4bb6eb	279	return SR_OK;
fdf4a1f5 UH	280	}
fdf4a1f5 UH	281
584560f1	282	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	283	const struct sr_channel_group *cg)
fdf4a1f5	284	{
ab4bb6eb UH	285	GVariant *gvar;
ab4bb6eb UH	286	GVariantBuilder gvb;
fdf4a1f5 UH	287
fdf4a1f5 UH	288	(void)sdi;
53b4680f	289	(void)cg;
fdf4a1f5	290
fdf4a1f5	291	switch (key) {
ab4bb6eb	292	case SR_CONF_DEVICE_OPTIONS:
584560f1	293	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b	294	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
ab4bb6eb UH	295	break;
	296	case SR_CONF_SAMPLERATE:
	297	g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
	298	gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
	299	samplerates, ARRAY_SIZE(samplerates),
	300	sizeof(uint64_t));
	301	g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
	302	*data = g_variant_builder_end(&gvb);
	303	break;
fdf4a1f5 UH	304	default:
	305	return SR_ERR_NA;
	306	}
	307
ab4bb6eb	308	return SR_OK;
fdf4a1f5 UH	309	}
fdf4a1f5 UH	310
695dc859	311	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
fdf4a1f5	312	{
ab4bb6eb UH	313	int ret;
ab4bb6eb UH	314	struct dev_context *devc;
fdf4a1f5	315
208c1d35	316	devc = sdi->priv;
ab4bb6eb UH	317
	318	if (!devc->ftdic)
	319	return SR_ERR_BUG;
	320
ba7dd8bb	321	/* TODO: Configure channels later (thresholds etc.). */
ab4bb6eb	322
ab4bb6eb UH	323	/* Properly reset internal variables before every new acquisition. */
	324	devc->compressed_bytes_ignored = 0;
	325	devc->samples_sent = 0;
	326	devc->bytes_received = 0;
	327
	328	if ((ret = scanaplus_init(devc)) < 0)
	329	return ret;
	330
	331	if ((ret = scanaplus_start_acquisition(devc)) < 0)
	332	return ret;
	333
bee2b016	334	std_session_send_df_header(sdi);
ab4bb6eb UH	335
ab4bb6eb UH	336	/* Hook up a dummy handler to receive data from the device. */
c650d3ec	337	sr_session_source_add(sdi->session, -1, 0, 0, scanaplus_receive_data, (void *)sdi);
ab4bb6eb	338
fdf4a1f5 UH	339	return SR_OK;
	340	}
	341
695dc859	342	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
fdf4a1f5	343	{
102f1239	344	sr_session_source_remove(sdi->session, -1);
bee2b016	345	std_session_send_df_end(sdi);
fdf4a1f5 UH	346
	347	return SR_OK;
	348	}
	349
dd5c48a6	350	static struct sr_dev_driver ikalogic_scanaplus_driver_info = {
fdf4a1f5	351	.name = "ikalogic-scanaplus",
ce95428c	352	.longname = "IKALOGIC ScanaPLUS",
fdf4a1f5	353	.api_version = 1,
c2fdcc25	354	.init = std_init,
700d6b64	355	.cleanup = std_cleanup,
fdf4a1f5	356	.scan = scan,
c01bf34c	357	.dev_list = std_dev_list,
fdf4a1f5 UH	358	.dev_clear = dev_clear,
	359	.config_get = config_get,
	360	.config_set = config_set,
	361	.config_list = config_list,
	362	.dev_open = dev_open,
	363	.dev_close = dev_close,
	364	.dev_acquisition_start = dev_acquisition_start,
	365	.dev_acquisition_stop = dev_acquisition_stop,
41812aca	366	.context = NULL,
fdf4a1f5	367	};
dd5c48a6	368	SR_REGISTER_DEV_DRIVER(ikalogic_scanaplus_driver_info);