X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fkecheng-kc-330b%2Fapi.c;h=fa50dd698d7a56400e6fa890080404052657077c;hb=HEAD;hp=9355e6dcce922b62b75f46db919a691095ef3103;hpb=d3c74a6fb05118e32ad421443251b7b3288918f9;p=libsigrok.git

diff --git a/hardware/kecheng-kc-330b/api.c b/hardware/kecheng-kc-330b/api.c
deleted file mode 100644
index 9355e6dc..00000000
--- a/hardware/kecheng-kc-330b/api.c
+++ /dev/null
@@ -1,587 +0,0 @@
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2013 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 <string.h>
-#include "protocol.h"
-
-#define USB_CONN "1041.8101"
-#define VENDOR "Kecheng"
-#define USB_INTERFACE 0
-
-static const int32_t hwcaps[] = {
-	SR_CONF_SOUNDLEVELMETER,
-	SR_CONF_LIMIT_SAMPLES,
-	SR_CONF_CONTINUOUS,
-	SR_CONF_DATALOG,
-	SR_CONF_SPL_WEIGHT_FREQ,
-	SR_CONF_SPL_WEIGHT_TIME,
-	SR_CONF_DATA_SOURCE,
-};
-
-SR_PRIV const uint64_t kecheng_kc_330b_sample_intervals[][2] = {
-	{ 1, 8 },
-	{ 1, 2 },
-	{ 1, 1 },
-	{ 2, 1 },
-	{ 5, 1 },
-	{ 10, 1 },
-	{ 60, 1 },
-};
-
-static const char *weight_freq[] = {
-	"A",
-	"C",
-};
-
-static const char *weight_time[] = {
-	"F",
-	"S",
-};
-
-static const char *data_sources[] = {
-	"Live",
-	"Memory",
-};
-
-SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info;
-static struct sr_dev_driver *di = &kecheng_kc_330b_driver_info;
-
-
-static int init(struct sr_context *sr_ctx)
-{
-	return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-static int scan_kecheng(struct sr_usb_dev_inst *usb, char **model)
-{
-	struct drv_context *drvc;
-	int len, ret;
-	unsigned char cmd, buf[32];
-
-	drvc = di->priv;
-	if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
-		return SR_ERR;
-
-	cmd = CMD_IDENTIFY;
-	ret = libusb_bulk_transfer(usb->devhdl, EP_OUT, &cmd, 1, &len, 5);
-	if (ret != 0) {
-		libusb_close(usb->devhdl);
-		sr_dbg("Failed to send Identify command: %s", libusb_error_name(ret));
-		return SR_ERR;
-	}
-
-	ret = libusb_bulk_transfer(usb->devhdl, EP_IN, buf, 32, &len, 10);
-	if (ret != 0) {
-		libusb_close(usb->devhdl);
-		sr_dbg("Failed to receive response: %s", libusb_error_name(ret));
-		return SR_ERR;
-	}
-
-	libusb_close(usb->devhdl);
-	usb->devhdl = NULL;
-
-	if (len < 2 || buf[0] != (CMD_IDENTIFY | 0x80) || buf[1] > 30) {
-		sr_dbg("Invalid response to Identify command");
-		return SR_ERR;
-	}
-
-	buf[buf[1] + 2] = '\x0';
-	*model = g_strndup((const gchar *)buf + 2, 30);
-
-	return SR_OK;
-}
-
-static GSList *scan(GSList *options)
-{
-	struct drv_context *drvc;
-	struct dev_context *devc;
-	struct sr_dev_inst *sdi;
-	struct sr_probe *probe;
-	GSList *usb_devices, *devices, *l;
-	char *model;
-
-	(void)options;
-
-	drvc = di->priv;
-	drvc->instances = NULL;
-
-	devices = NULL;
-	if ((usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, USB_CONN))) {
-		/* We have a list of sr_usb_dev_inst matching the connection
-		 * string. Wrap them in sr_dev_inst and we're done. */
-		for (l = usb_devices; l; l = l->next) {
-			if (scan_kecheng(l->data, &model) != SR_OK)
-				continue;
-			if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, VENDOR,
-					model, NULL)))
-				return NULL;
-			g_free(model);
-			sdi->driver = di;
-			sdi->inst_type = SR_INST_USB;
-			sdi->conn = l->data;
-			if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "SPL")))
-				return NULL;
-			sdi->probes = g_slist_append(sdi->probes, probe);
-
-			if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
-				sr_dbg("Device context malloc failed.");
-				return NULL;
-			}
-			sdi->priv = devc;
-			devc->limit_samples = 0;
-			/* The protocol provides no way to read the current
-			 * settings, so we'll enforce these. */
-			devc->sample_interval = DEFAULT_SAMPLE_INTERVAL;
-			devc->alarm_low = DEFAULT_ALARM_LOW;
-			devc->alarm_high = DEFAULT_ALARM_HIGH;
-			devc->mqflags = DEFAULT_WEIGHT_TIME | DEFAULT_WEIGHT_FREQ;
-			devc->data_source = DEFAULT_DATA_SOURCE;
-			devc->config_dirty = FALSE;
-
-			/* TODO: Set date/time? */
-
-			drvc->instances = g_slist_append(drvc->instances, sdi);
-			devices = g_slist_append(devices, sdi);
-		}
-		g_slist_free(usb_devices);
-	} else
-		g_slist_free_full(usb_devices, g_free);
-
-	return devices;
-}
-
-static GSList *dev_list(void)
-{
-	return ((struct drv_context *)(di->priv))->instances;
-}
-
-static int dev_clear(void)
-{
-	return std_dev_clear(di, NULL);
-}
-
-static int dev_open(struct sr_dev_inst *sdi)
-{
-	struct drv_context *drvc;
-	struct sr_usb_dev_inst *usb;
-	int ret;
-
-	if (!(drvc = di->priv)) {
-		sr_err("Driver was not initialized.");
-		return SR_ERR;
-	}
-
-	usb = sdi->conn;
-
-	if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
-		return SR_ERR;
-
-	if ((ret = libusb_set_configuration(usb->devhdl, 1))) {
-		sr_err("Failed to set configuration: %s.", libusb_error_name(ret));
-		return SR_ERR;
-	}
-
-	if ((ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE))) {
-		sr_err("Failed to claim interface: %s.", libusb_error_name(ret));
-		return SR_ERR;
-	}
-	sdi->status = SR_ST_ACTIVE;
-
-	return ret;
-}
-
-static int dev_close(struct sr_dev_inst *sdi)
-{
-	struct dev_context *devc;
-	struct sr_usb_dev_inst *usb;
-
-	if (!di->priv) {
-		sr_err("Driver was not initialized.");
-		return SR_ERR;
-	}
-
-	usb = sdi->conn;
-
-	if (!usb->devhdl)
-		/*  Nothing to do. */
-		return SR_OK;
-
-	/* This allows a frontend to configure the device without ever
-	 * doing an acquisition step. */
-	devc = sdi->priv;
-	if (!devc->config_dirty)
-		kecheng_kc_330b_configure(sdi);
-
-	libusb_release_interface(usb->devhdl, USB_INTERFACE);
-	libusb_close(usb->devhdl);
-	usb->devhdl = NULL;
-	sdi->status = SR_ST_INACTIVE;
-
-	return SR_OK;
-}
-
-static int cleanup(void)
-{
-	int ret;
-	struct drv_context *drvc;
-
-	if (!(drvc = di->priv))
-		/* Can get called on an unused driver, doesn't matter. */
-		return SR_OK;
-
-	ret = dev_clear();
-	g_free(drvc);
-	di->priv = NULL;
-
-	return ret;
-}
-
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
-		const struct sr_probe_group *probe_group)
-{
-	struct dev_context *devc;
-	GVariant *rational[2];
-	const uint64_t *si;
-
-	(void)probe_group;
-
-	devc = sdi->priv;
-	switch (key) {
-	case SR_CONF_LIMIT_SAMPLES:
-		*data = g_variant_new_uint64(devc->limit_samples);
-		break;
-	case SR_CONF_SAMPLE_INTERVAL:
-		si = kecheng_kc_330b_sample_intervals[devc->sample_interval];
-		rational[0] = g_variant_new_uint64(si[0]);
-		rational[1] = g_variant_new_uint64(si[1]);
-		*data = g_variant_new_tuple(rational, 2);
-		break;
-	case SR_CONF_DATALOG:
-		/* There really isn't a way to be sure the device is logging. */
-		return SR_ERR_NA;
-		break;
-	case SR_CONF_SPL_WEIGHT_FREQ:
-		if (devc->mqflags & SR_MQFLAG_SPL_FREQ_WEIGHT_A)
-			*data = g_variant_new_string("A");
-		else
-			*data = g_variant_new_string("C");
-		break;
-	case SR_CONF_SPL_WEIGHT_TIME:
-		if (devc->mqflags & SR_MQFLAG_SPL_TIME_WEIGHT_F)
-			*data = g_variant_new_string("F");
-		else
-			*data = g_variant_new_string("S");
-		break;
-	case SR_CONF_DATA_SOURCE:
-		if (devc->data_source == DATA_SOURCE_LIVE)
-			*data = g_variant_new_string("Live");
-		else
-			*data = g_variant_new_string("Memory");
-		break;
-	default:
-		return SR_ERR_NA;
-	}
-
-	return SR_OK;
-}
-
-static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
-		const struct sr_probe_group *probe_group)
-{
-	struct dev_context *devc;
-	uint64_t p, q;
-	unsigned int i;
-	int tmp, ret;
-	const char *tmp_str;
-
-	(void)probe_group;
-
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
-	if (!di->priv) {
-		sr_err("Driver was not initialized.");
-		return SR_ERR;
-	}
-
-	devc = sdi->priv;
-	ret = SR_OK;
-	switch (key) {
-	case SR_CONF_LIMIT_SAMPLES:
-		devc->limit_samples = g_variant_get_uint64(data);
-		sr_dbg("Setting sample limit to %" PRIu64 ".",
-		       devc->limit_samples);
-		break;
-	case SR_CONF_SAMPLE_INTERVAL:
-		g_variant_get(data, "(tt)", &p, &q);
-		for (i = 0; i < ARRAY_SIZE(kecheng_kc_330b_sample_intervals); i++) {
-			if (kecheng_kc_330b_sample_intervals[i][0] != p || kecheng_kc_330b_sample_intervals[i][1] != q)
-				continue;
-			devc->sample_interval = i;
-			devc->config_dirty = TRUE;
-			break;
-		}
-		if (i == ARRAY_SIZE(kecheng_kc_330b_sample_intervals))
-			ret = SR_ERR_ARG;
-		break;
-	case SR_CONF_SPL_WEIGHT_FREQ:
-		tmp_str = g_variant_get_string(data, NULL);
-		if (!strcmp(tmp_str, "A"))
-			tmp = SR_MQFLAG_SPL_FREQ_WEIGHT_A;
-		else if (!strcmp(tmp_str, "C"))
-			tmp = SR_MQFLAG_SPL_FREQ_WEIGHT_C;
-		else
-			return SR_ERR_ARG;
-		devc->mqflags &= ~(SR_MQFLAG_SPL_FREQ_WEIGHT_A | SR_MQFLAG_SPL_FREQ_WEIGHT_C);
-		devc->mqflags |= tmp;
-		devc->config_dirty = TRUE;
-		break;
-	case SR_CONF_SPL_WEIGHT_TIME:
-		tmp_str = g_variant_get_string(data, NULL);
-		if (!strcmp(tmp_str, "F"))
-			tmp = SR_MQFLAG_SPL_TIME_WEIGHT_F;
-		else if (!strcmp(tmp_str, "S"))
-			tmp = SR_MQFLAG_SPL_TIME_WEIGHT_S;
-		else
-			return SR_ERR_ARG;
-		devc->mqflags &= ~(SR_MQFLAG_SPL_TIME_WEIGHT_F | SR_MQFLAG_SPL_TIME_WEIGHT_S);
-		devc->mqflags |= tmp;
-		devc->config_dirty = TRUE;
-		break;
-	case SR_CONF_DATA_SOURCE:
-		tmp_str = g_variant_get_string(data, NULL);
-		if (!strcmp(tmp_str, "Live"))
-			devc->data_source = DATA_SOURCE_LIVE;
-		else if (!strcmp(tmp_str, "Memory"))
-			devc->data_source = DATA_SOURCE_MEMORY;
-		else
-			return SR_ERR;
-		devc->config_dirty = TRUE;
-		break;
-	default:
-		ret = SR_ERR_NA;
-	}
-
-	return ret;
-}
-
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
-		const struct sr_probe_group *probe_group)
-{
-	GVariant *tuple, *rational[2];
-	GVariantBuilder gvb;
-	unsigned int i;
-
-	(void)sdi;
-	(void)probe_group;
-
-	switch (key) {
-	case SR_CONF_DEVICE_OPTIONS:
-		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
-				hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
-		break;
-	case SR_CONF_SAMPLE_INTERVAL:
-		g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
-		for (i = 0; i < ARRAY_SIZE(kecheng_kc_330b_sample_intervals); i++) {
-			rational[0] = g_variant_new_uint64(kecheng_kc_330b_sample_intervals[i][0]);
-			rational[1] = g_variant_new_uint64(kecheng_kc_330b_sample_intervals[i][1]);
-			tuple = g_variant_new_tuple(rational, 2);
-			g_variant_builder_add_value(&gvb, tuple);
-		}
-		*data = g_variant_builder_end(&gvb);
-		break;
-	case SR_CONF_SPL_WEIGHT_FREQ:
-		*data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
-		break;
-	case SR_CONF_SPL_WEIGHT_TIME:
-		*data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
-		break;
-	case SR_CONF_DATA_SOURCE:
-		*data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
-		break;
-	default:
-		return SR_ERR_NA;
-	}
-
-	return SR_OK;
-}
-
-static int dev_acquisition_start(const struct sr_dev_inst *sdi,
-		void *cb_data)
-{
-	struct drv_context *drvc;
-	struct dev_context *devc;
-	struct sr_datafeed_packet packet;
-	struct sr_datafeed_meta meta;
-	struct sr_config *src;
-	struct sr_usb_dev_inst *usb;
-	GVariant *gvar, *rational[2];
-	const struct libusb_pollfd **pfd;
-	const uint64_t *si;
-	int stored_mqflags, req_len, buf_len, len, ret, i;
-	unsigned char buf[9];
-
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
-	drvc = di->priv;
-	devc = sdi->priv;
-	usb = sdi->conn;
-
-	devc->cb_data = cb_data;
-	devc->num_samples = 0;
-
-	/* Send header packet to the session bus. */
-	std_session_send_df_header(cb_data, LOG_PREFIX);
-
-	if (devc->data_source == DATA_SOURCE_LIVE) {
-		/* Force configuration. */
-		kecheng_kc_330b_configure(sdi);
-
-		if (kecheng_kc_330b_status_get(sdi, &ret) != SR_OK)
-			return SR_ERR;
-		if (ret != DEVICE_ACTIVE) {
-			sr_err("Device is inactive");
-			/* Still continue though, since the device will
-			 * just return 30.0 until the user hits the button
-			 * on the device -- and then start feeding good
-			 * samples back. */
-		}
-	} else {
-		if (kecheng_kc_330b_log_info_get(sdi, buf) != SR_OK)
-			return SR_ERR;
-		stored_mqflags = buf[4] ? SR_MQFLAG_SPL_TIME_WEIGHT_S : SR_MQFLAG_SPL_TIME_WEIGHT_F;
-		stored_mqflags |= buf[5] ? SR_MQFLAG_SPL_FREQ_WEIGHT_C : SR_MQFLAG_SPL_FREQ_WEIGHT_A;
-		devc->stored_samples = (buf[7] << 8) | buf[8];
-		if (devc->stored_samples == 0) {
-			/* Notify frontend of empty log by sending start/end packets. */
-			packet.type = SR_DF_END;
-			sr_session_send(cb_data, &packet);
-			return SR_OK;
-		}
-
-		if (devc->limit_samples && devc->limit_samples < devc->stored_samples)
-			devc->stored_samples = devc->limit_samples;
-
-		si = kecheng_kc_330b_sample_intervals[buf[1]];
-		rational[0] = g_variant_new_uint64(si[0]);
-		rational[1] = g_variant_new_uint64(si[1]);
-		gvar = g_variant_new_tuple(rational, 2);
-		src = sr_config_new(SR_CONF_SAMPLE_INTERVAL, gvar);
-		packet.type = SR_DF_META;
-		packet.payload = &meta;
-		meta.config = g_slist_append(NULL, src);
-		sr_session_send(devc->cb_data, &packet);
-		g_free(src);
-	}
-
-	if (!(devc->xfer = libusb_alloc_transfer(0)))
-		return SR_ERR;
-
-	pfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
-	for (i = 0; pfd[i]; i++) {
-		/* Handle USB events every 10ms. */
-		sr_source_add(pfd[i]->fd, pfd[i]->events, 10,
-				kecheng_kc_330b_handle_events, (void *)sdi);
-		/* We'll need to remove this fd later. */
-		devc->usbfd[i] = pfd[i]->fd;
-	}
-	devc->usbfd[i] = -1;
-
-	if (devc->data_source == DATA_SOURCE_LIVE) {
-		buf[0] = CMD_GET_LIVE_SPL;
-		buf_len = 1;
-		devc->state = LIVE_SPL_WAIT;
-		devc->last_live_request = g_get_monotonic_time() / 1000;
-		req_len = 3;
-	} else {
-		buf[0] = CMD_GET_LOG_DATA;
-		buf[1] = 0;
-		buf[2] = 0;
-		buf_len = 4;
-		devc->state = LOG_DATA_WAIT;
-		if (devc->stored_samples < 63)
-			buf[3] = devc->stored_samples;
-		else
-			buf[3] = 63;
-		/* Command ack byte + 2 bytes per sample. */
-		req_len = 1 + buf[3] * 2;
-	}
-
-	ret = libusb_bulk_transfer(usb->devhdl, EP_OUT, buf, buf_len, &len, 5);
-	if (ret != 0 || len != 1) {
-		sr_dbg("Failed to start acquisition: %s", libusb_error_name(ret));
-		libusb_free_transfer(devc->xfer);
-		return SR_ERR;
-	}
-
-	libusb_fill_bulk_transfer(devc->xfer, usb->devhdl, EP_IN, devc->buf,
-			req_len, kecheng_kc_330b_receive_transfer, (void *)sdi, 15);
-	if (libusb_submit_transfer(devc->xfer) != 0) {
-		libusb_free_transfer(devc->xfer);
-		return SR_ERR;
-	}
-
-	return SR_OK;
-}
-
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
-	struct dev_context *devc;
-
-	(void)cb_data;
-
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
-	/* Signal USB transfer handler to clean up and stop. */
-	sdi->status = SR_ST_STOPPING;
-
-	devc = sdi->priv;
-	if (devc->data_source == DATA_SOURCE_MEMORY && devc->config_dirty) {
-		/* The protocol doesn't have a command to clear stored data;
-		 * it clears it whenever new configuration is set. That means
-		 * we can't just configure the device any time we want when
-		 * it's in DATA_SOURCE_MEMORY mode. The only safe time to do
-		 * it is now, when we're sure we've pulled in all the stored
-		 * data. */
-		kecheng_kc_330b_configure(sdi);
-	}
-
-	return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info = {
-	.name = "kecheng-kc-330b",
-	.longname = "Kecheng KC-330B",
-	.api_version = 1,
-	.init = init,
-	.cleanup = cleanup,
-	.scan = scan,
-	.dev_list = 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,
-	.priv = NULL,
-};