X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fsysclk-lwla%2Fapi.c;h=8373a0eb1a83e1a5043d312a056270bfebb9a1bb;hb=HEAD;hp=444b6a1bfe66ead2d65232ccd5a4ff99e67439fe;hpb=5874e88d83cabbec62e36c37e9016fab983d957b;p=libsigrok.git

diff --git a/hardware/sysclk-lwla/api.c b/hardware/sysclk-lwla/api.c
deleted file mode 100644
index 444b6a1b..00000000
--- a/hardware/sysclk-lwla/api.c
+++ /dev/null
@@ -1,487 +0,0 @@
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2014 Daniel Elstner <daniel.kitta@gmail.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 "protocol.h"
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
-#include <glib.h>
-#include <libusb.h>
-#include <stdlib.h>
-#include <string.h>
-
-static const int32_t hwcaps[] = {
-	SR_CONF_LOGIC_ANALYZER,
-	SR_CONF_SAMPLERATE,
-	SR_CONF_EXTERNAL_CLOCK,
-	SR_CONF_TRIGGER_TYPE,
-	SR_CONF_LIMIT_SAMPLES,
-};
-
-/* The hardware supports more samplerates than these, but these are the
- * options hardcoded into the vendor's Windows GUI.
- */
-static const uint64_t samplerates[] = {
-	SR_MHZ(125), SR_MHZ(100),
-	SR_MHZ(50),  SR_MHZ(20),  SR_MHZ(10),
-	SR_MHZ(5),   SR_MHZ(2),   SR_MHZ(1),
-	SR_KHZ(500), SR_KHZ(200), SR_KHZ(100),
-	SR_KHZ(50),  SR_KHZ(20),  SR_KHZ(10),
-	SR_KHZ(5),   SR_KHZ(2),   SR_KHZ(1),
-	SR_HZ(500),  SR_HZ(200),  SR_HZ(100),
-};
-
-SR_PRIV struct sr_dev_driver sysclk_lwla_driver_info;
-static struct sr_dev_driver *const di = &sysclk_lwla_driver_info;
-
-static int init(struct sr_context *sr_ctx)
-{
-	return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-static GSList *gen_probe_list(int num_probes)
-{
-	GSList *list;
-	struct sr_probe *probe;
-	int i;
-	char name[8];
-
-	list = NULL;
-
-	for (i = num_probes; i > 0; --i) {
-		/* The LWLA series simply number probes from CH1 to CHxx. */
-		g_ascii_formatd(name, sizeof name, "CH%.0f", i);
-
-		probe = sr_probe_new(i - 1, SR_PROBE_LOGIC, TRUE, name);
-		list = g_slist_prepend(list, probe);
-	}
-
-	return list;
-}
-
-static GSList *scan(GSList *options)
-{
-	GSList *usb_devices, *devices, *node;
-	struct drv_context *drvc;
-	struct sr_dev_inst *sdi;
-	struct dev_context *devc;
-	struct sr_usb_dev_inst *usb;
-	int device_index;
-
-	(void)options;
-
-	devices = NULL;
-	drvc = di->priv;
-	drvc->instances = NULL;
-	device_index = 0;
-
-	usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, USB_VID_PID);
-
-	for (node = usb_devices; node != NULL; node = node->next) {
-		usb = node->data;
-
-		/* Allocate memory for our private driver context. */
-		devc = g_try_new0(struct dev_context, 1);
-		if (!devc) {
-			sr_err("Device context malloc failed.");
-			sr_usb_dev_inst_free(usb);
-			continue;
-		}
-		/* Register the device with libsigrok. */
-		sdi = sr_dev_inst_new(device_index, SR_ST_INACTIVE,
-				      VENDOR_NAME, MODEL_NAME, NULL);
-		if (!sdi) {
-			sr_err("Failed to instantiate device.");
-			g_free(devc);
-			sr_usb_dev_inst_free(usb);
-			continue;
-		}
-		sdi->driver = di;
-		sdi->priv = devc;
-		sdi->inst_type = SR_INST_USB;
-		sdi->conn = usb;
-		sdi->probes = gen_probe_list(NUM_PROBES);
-
-		drvc->instances = g_slist_append(drvc->instances, sdi);
-		devices = g_slist_append(devices, sdi);
-	}
-
-	g_slist_free(usb_devices);
-
-	return devices;
-}
-
-static GSList *dev_list(void)
-{
-	struct drv_context *drvc;
-
-	drvc = di->priv;
-
-	return drvc->instances;
-}
-
-static void clear_dev_context(void *priv)
-{
-	struct dev_context *devc;
-
-	devc = priv;
-
-	sr_dbg("Device context cleared.");
-
-	lwla_free_acquisition_state(devc->acquisition);
-	g_free(devc);
-}
-
-static int dev_clear(void)
-{
-	return std_dev_clear(di, &clear_dev_context);
-}
-
-static int dev_open(struct sr_dev_inst *sdi)
-{
-	struct drv_context *drvc;
-	struct dev_context *devc;
-	struct sr_usb_dev_inst *usb;
-	int ret;
-
-	drvc = di->priv;
-
-	if (!drvc) {
-		sr_err("Driver was not initialized.");
-		return SR_ERR;
-	}
-
-	usb  = sdi->conn;
-	devc = sdi->priv;
-
-	ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb);
-	if (ret != SR_OK)
-		return ret;
-
-	ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
-	if (ret < 0) {
-		sr_err("Failed to claim interface: %s.",
-			libusb_error_name(ret));
-		return SR_ERR;
-	}
-
-	sdi->status = SR_ST_INITIALIZING;
-
-	if (devc->samplerate == 0)
-		/* Apply default if the samplerate hasn't been set yet. */
-		devc->samplerate = DEFAULT_SAMPLERATE;
-
-	ret = lwla_init_device(sdi);
-
-	if (ret == SR_OK)
-		sdi->status = SR_ST_ACTIVE;
-
-	return ret;
-}
-
-static int dev_close(struct sr_dev_inst *sdi)
-{
-	struct sr_usb_dev_inst *usb;
-	struct dev_context *devc;
-
-	if (!di->priv) {
-		sr_err("Driver was not initialized.");
-		return SR_ERR;
-	}
-
-	usb  = sdi->conn;
-	devc = sdi->priv;
-
-	if (!usb->devhdl)
-		return SR_OK;
-
-	/* Trigger download of the shutdown bitstream. */
-	devc->selected_clock_source = CLOCK_SOURCE_NONE;
-
-	if (lwla_set_clock_source(sdi) != SR_OK)
-		sr_err("Unable to shut down device.");
-
-	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)
-{
-	return dev_clear();
-}
-
-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;
-
-	(void)probe_group;
-
-	if (!sdi)
-		return SR_ERR_ARG;
-
-	devc = sdi->priv;
-
-	switch (key) {
-	case SR_CONF_SAMPLERATE:
-		*data = g_variant_new_uint64(devc->samplerate);
-		break;
-	case SR_CONF_LIMIT_SAMPLES:
-		*data = g_variant_new_uint64(devc->limit_samples);
-		break;
-	case SR_CONF_EXTERNAL_CLOCK:
-		*data = g_variant_new_boolean(devc->selected_clock_source
-						>= CLOCK_SOURCE_EXT_RISE);
-		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 rate;
-
-	(void)probe_group;
-
-	devc = sdi->priv;
-	if (!devc)
-		return SR_ERR_DEV_CLOSED;
-
-	switch (key) {
-	case SR_CONF_SAMPLERATE:
-		rate = g_variant_get_uint64(data);
-		sr_info("Setting samplerate %" G_GUINT64_FORMAT, rate);
-		if (rate > samplerates[0]
-		    || rate < samplerates[G_N_ELEMENTS(samplerates) - 1])
-			return SR_ERR_SAMPLERATE;
-		devc->samplerate = rate;
-		break;
-	case SR_CONF_LIMIT_SAMPLES:
-		devc->limit_samples = g_variant_get_uint64(data);
-		break;
-	case SR_CONF_EXTERNAL_CLOCK:
-		if (g_variant_get_boolean(data)) {
-			sr_info("Enabling external clock.");
-			/* TODO: Allow the external clock to be inverted */
-			devc->selected_clock_source = CLOCK_SOURCE_EXT_RISE;
-		} else {
-			sr_info("Disabling external clock.");
-			devc->selected_clock_source = CLOCK_SOURCE_INT;
-		}
-		if (sdi->status == SR_ST_ACTIVE)
-			return lwla_set_clock_source(sdi);
-		break;
-	default:
-		return SR_ERR_NA;
-	}
-
-	return SR_OK;
-}
-
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
-		       const struct sr_probe_group *probe_group)
-{
-	GVariant *gvar;
-	GVariantBuilder gvb;
-
-	(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_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;
-	case SR_CONF_TRIGGER_TYPE:
-		*data = g_variant_new_string(TRIGGER_TYPES);
-		break;
-	default:
-		return SR_ERR_NA;
-	}
-
-	return SR_OK;
-}
-
-static int configure_probes(const struct sr_dev_inst *sdi)
-{
-	struct dev_context *devc;
-	const struct sr_probe *probe;
-	const GSList *node;
-	uint64_t probe_bit;
-
-	devc = sdi->priv;
-
-	devc->channel_mask = 0;
-	devc->trigger_mask = 0;
-	devc->trigger_edge_mask = 0;
-	devc->trigger_values = 0;
-
-	for (node = sdi->probes, probe_bit = 1;
-			node != NULL;
-			node = node->next, probe_bit <<= 1) {
-
-		if (probe_bit >= ((uint64_t)1 << NUM_PROBES)) {
-			sr_err("Channels over the limit of %d.", NUM_PROBES);
-			return SR_ERR;
-		}
-		probe = node->data;
-		if (!probe || !probe->enabled)
-			continue;
-
-		/* Enable input channel for this probe. */
-		devc->channel_mask |= probe_bit;
-
-		if (!probe->trigger || probe->trigger[0] == '\0')
-			continue;
-
-		if (probe->trigger[1] != '\0') {
-			sr_err("Only one trigger stage is supported.");
-			return SR_ERR;
-		}
-		/* Enable trigger for this probe. */
-		devc->trigger_mask |= probe_bit;
-
-		/* Configure edge mask and trigger value. */
-		switch (probe->trigger[0]) {
-		case '1': devc->trigger_values |= probe_bit;
-		case '0': break;
-
-		case 'r': devc->trigger_values |= probe_bit;
-		case 'f': devc->trigger_edge_mask |= probe_bit;
-			  break;
-		default:
-			sr_err("Trigger type '%c' is not supported.",
-			       probe->trigger[0]);
-			return SR_ERR;
-		}
-	}
-	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 acquisition_state *acq;
-	int ret;
-
-	(void)cb_data;
-
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
-	devc = sdi->priv;
-	drvc = di->priv;
-
-	if (devc->acquisition) {
-		sr_err("Acquisition still in progress?");
-		return SR_ERR;
-	}
-	acq = lwla_alloc_acquisition_state();
-	if (!acq)
-		return SR_ERR_MALLOC;
-
-	devc->stopping_in_progress = FALSE;
-	devc->transfer_error = FALSE;
-
-	ret = configure_probes(sdi);
-	if (ret != SR_OK) {
-		sr_err("Failed to configure probes.");
-		lwla_free_acquisition_state(acq);
-		return ret;
-	}
-
-	sr_info("Starting acquisition.");
-
-	devc->acquisition = acq;
-	ret = lwla_setup_acquisition(sdi);
-	if (ret != SR_OK) {
-		sr_err("Failed to set up aquisition.");
-		devc->acquisition = NULL;
-		lwla_free_acquisition_state(acq);
-		return ret;
-	}
-
-	ret = lwla_start_acquisition(sdi);
-	if (ret != SR_OK) {
-		sr_err("Failed to start aquisition.");
-		devc->acquisition = NULL;
-		lwla_free_acquisition_state(acq);
-		return ret;
-	}
-	usb_source_add(drvc->sr_ctx, 100, &lwla_receive_data,
-		       (struct sr_dev_inst *)sdi);
-
-	sr_info("Waiting for data.");
-
-	/* Send header packet to the session bus. */
-	std_session_send_df_header(sdi, LOG_PREFIX);
-
-	return SR_OK;
-}
-
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
-	(void)cb_data;
-
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
-	sr_dbg("Stopping acquisition.");
-
-	sdi->status = SR_ST_STOPPING;
-
-	return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver sysclk_lwla_driver_info = {
-	.name = "sysclk-lwla",
-	.longname = "SysClk LWLA series",
-	.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,
-};