+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
- * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
- *
- * 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 <config.h>
-#include <math.h>
-#include "protocol.h"
-
-static const struct dslogic_profile supported_device[] = {
- /* DreamSourceLab DSLogic */
- { 0x2a0e, 0x0001, "DreamSourceLab", "DSLogic", NULL,
- "dreamsourcelab-dslogic-fx2.fw",
- 0, "DreamSourceLab", "DSLogic", 256 * 1048576ULL},
- /* DreamSourceLab DSCope */
- { 0x2a0e, 0x0002, "DreamSourceLab", "DSCope", NULL,
- "dreamsourcelab-dscope-fx2.fw",
- 0, "DreamSourceLab", "DSCope", 256 * 1048576ULL},
- /* DreamSourceLab DSLogic Pro */
- { 0x2a0e, 0x0003, "DreamSourceLab", "DSLogic Pro", NULL,
- "dreamsourcelab-dslogic-pro-fx2.fw",
- 0, "DreamSourceLab", "DSLogic", 256 * 1048576ULL},
- /* DreamSourceLab DSLogic Plus */
- { 0x2a0e, 0x0020, "DreamSourceLab", "DSLogic Plus", NULL,
- "dreamsourcelab-dslogic-plus-fx2.fw",
- 0, "DreamSourceLab", "DSLogic", 256 * 1048576ULL},
- /* DreamSourceLab DSLogic Basic */
- { 0x2a0e, 0x0021, "DreamSourceLab", "DSLogic Basic", NULL,
- "dreamsourcelab-dslogic-basic-fx2.fw",
- 0, "DreamSourceLab", "DSLogic", 256 * 1024ULL},
-
- ALL_ZERO
-};
-
-static const uint32_t drvopts[] = {
- SR_CONF_LOGIC_ANALYZER,
-};
-
-static const uint32_t scanopts[] = {
- SR_CONF_CONN,
-};
-
-static const uint32_t devopts[] = {
- SR_CONF_CONTINUOUS | SR_CONF_SET | SR_CONF_GET,
- SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
- SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
- SR_CONF_CONN | SR_CONF_GET,
- SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
- SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
- SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
- SR_CONF_EXTERNAL_CLOCK | SR_CONF_GET | SR_CONF_SET,
- SR_CONF_CLOCK_EDGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
-};
-
-/* Names assigned to available edge slope choices. */
-static const char *const signal_edge_names[] = {
- [DS_EDGE_RISING] = "rising",
- [DS_EDGE_FALLING] = "falling",
-};
-
-static const struct {
- gdouble low;
- gdouble high;
-} dslogic_voltage_thresholds[] = {
- { 0.7, 1.4 },
- { 1.4, 3.6 },
-};
-
-static const uint64_t samplerates[] = {
- SR_KHZ(10),
- SR_KHZ(20),
- SR_KHZ(50),
- SR_KHZ(100),
- SR_KHZ(200),
- SR_KHZ(500),
- SR_MHZ(1),
- SR_MHZ(2),
- SR_MHZ(5),
- SR_MHZ(10),
- SR_MHZ(20),
- SR_MHZ(25),
- SR_MHZ(50),
- SR_MHZ(100),
- SR_MHZ(200),
- SR_MHZ(400),
-};
-
-static gboolean is_plausible(const struct libusb_device_descriptor *des)
-{
- int i;
-
- for (i = 0; supported_device[i].vid; i++) {
- if (des->idVendor != supported_device[i].vid)
- continue;
- if (des->idProduct == supported_device[i].pid)
- return TRUE;
- }
-
- return FALSE;
-}
-
-static GSList *scan(struct sr_dev_driver *di, GSList *options)
-{
- struct drv_context *drvc;
- struct dev_context *devc;
- struct sr_dev_inst *sdi;
- struct sr_usb_dev_inst *usb;
- struct sr_channel *ch;
- struct sr_channel_group *cg;
- struct sr_config *src;
- const struct dslogic_profile *prof;
- GSList *l, *devices, *conn_devices;
- gboolean has_firmware;
- struct libusb_device_descriptor des;
- libusb_device **devlist;
- struct libusb_device_handle *hdl;
- int ret, i, j;
- const char *conn;
- char manufacturer[64], product[64], serial_num[64], connection_id[64];
- char channel_name[16];
-
- drvc = di->context;
-
- conn = 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;
- }
- }
- if (conn)
- conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn);
- else
- conn_devices = NULL;
-
- /* Find all dslogic compatible devices and upload firmware to them. */
- devices = NULL;
- libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
- for (i = 0; devlist[i]; i++) {
- if (conn) {
- usb = NULL;
- for (l = conn_devices; l; l = l->next) {
- usb = l->data;
- if (usb->bus == libusb_get_bus_number(devlist[i])
- && usb->address == libusb_get_device_address(devlist[i]))
- break;
- }
- if (!l)
- /* This device matched none of the ones that
- * matched the conn specification. */
- continue;
- }
-
- libusb_get_device_descriptor( devlist[i], &des);
-
- if (!is_plausible(&des))
- continue;
-
- if ((ret = libusb_open(devlist[i], &hdl)) < 0) {
- sr_warn("Failed to open potential device with "
- "VID:PID %04x:%04x: %s.", des.idVendor,
- des.idProduct, libusb_error_name(ret));
- continue;
- }
-
- if (des.iManufacturer == 0) {
- manufacturer[0] = '\0';
- } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
- des.iManufacturer, (unsigned char *) manufacturer,
- sizeof(manufacturer))) < 0) {
- sr_warn("Failed to get manufacturer string descriptor: %s.",
- libusb_error_name(ret));
- continue;
- }
-
- if (des.iProduct == 0) {
- product[0] = '\0';
- } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
- des.iProduct, (unsigned char *) product,
- sizeof(product))) < 0) {
- sr_warn("Failed to get product string descriptor: %s.",
- libusb_error_name(ret));
- continue;
- }
-
- if (des.iSerialNumber == 0) {
- serial_num[0] = '\0';
- } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
- des.iSerialNumber, (unsigned char *) serial_num,
- sizeof(serial_num))) < 0) {
- sr_warn("Failed to get serial number string descriptor: %s.",
- libusb_error_name(ret));
- continue;
- }
-
- usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
-
- libusb_close(hdl);
-
- prof = NULL;
- for (j = 0; supported_device[j].vid; j++) {
- if (des.idVendor == supported_device[j].vid &&
- des.idProduct == supported_device[j].pid &&
- (!strcmp(manufacturer, supported_device[j].usb_manufacturer)) &&
- (!strcmp(product, "USB-based Instrument") ||
- !strcmp(product, supported_device[j].usb_product))) {
- prof = &supported_device[j];
- break;
- }
- }
-
- /* Skip if the device was not found. */
- if (!prof)
- continue;
-
- sdi = g_malloc0(sizeof(struct sr_dev_inst));
- sdi->status = SR_ST_INITIALIZING;
- sdi->vendor = g_strdup(prof->vendor);
- sdi->model = g_strdup(prof->model);
- sdi->version = g_strdup(prof->model_version);
- sdi->serial_num = g_strdup(serial_num);
- sdi->connection_id = g_strdup(connection_id);
-
- /* Logic channels, all in one channel group. */
- cg = g_malloc0(sizeof(struct sr_channel_group));
- cg->name = g_strdup("Logic");
- for (j = 0; j < 16; j++) {
- sprintf(channel_name, "%d", j);
- ch = sr_channel_new(sdi, j, SR_CHANNEL_LOGIC,
- TRUE, channel_name);
- cg->channels = g_slist_append(cg->channels, ch);
- }
- sdi->channel_groups = g_slist_append(NULL, cg);
-
- devc = dslogic_dev_new();
- devc->profile = prof;
- sdi->priv = devc;
- devices = g_slist_append(devices, sdi);
-
- devc->samplerates = samplerates;
- devc->num_samplerates = ARRAY_SIZE(samplerates);
- has_firmware = usb_match_manuf_prod(devlist[i], "DreamSourceLab", "USB-based Instrument");
-
- if (has_firmware) {
- /* Already has the firmware, so fix the new address. */
- sr_dbg("Found an dslogic device.");
- sdi->status = SR_ST_INACTIVE;
- sdi->inst_type = SR_INST_USB;
- sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
- libusb_get_device_address(devlist[i]), NULL);
- } else {
- if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i],
- USB_CONFIGURATION, prof->firmware) == SR_OK)
- /* Store when this device's FW was updated. */
- devc->fw_updated = g_get_monotonic_time();
- else
- sr_err("Firmware upload failed for "
- "device %d.%d (logical).",
- libusb_get_bus_number(devlist[i]),
- libusb_get_device_address(devlist[i]));
- sdi->inst_type = SR_INST_USB;
- sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
- 0xff, NULL);
- }
- }
- libusb_free_device_list(devlist, 1);
- g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
-
- return std_scan_complete(di, devices);
-}
-
-static void clear_dev_context(void *priv)
-{
- struct dev_context *devc;
-
- devc = priv;
- g_free(devc);
-}
-
-static int dev_clear(const struct sr_dev_driver *di)
-{
- return std_dev_clear(di, clear_dev_context);
-}
-
-static int dev_open(struct sr_dev_inst *sdi)
-{
- struct sr_dev_driver *di = sdi->driver;
- struct sr_usb_dev_inst *usb;
- struct dev_context *devc;
- int ret;
- int64_t timediff_us, timediff_ms;
-
- devc = sdi->priv;
- usb = sdi->conn;
-
- /*
- * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS
- * milliseconds for the FX2 to renumerate.
- */
- ret = SR_ERR;
- if (devc->fw_updated > 0) {
- sr_info("Waiting for device to reset.");
- /* Takes >= 300ms for the FX2 to be gone from the USB bus. */
- g_usleep(300 * 1000);
- timediff_ms = 0;
- while (timediff_ms < MAX_RENUM_DELAY_MS) {
- if ((ret = dslogic_dev_open(sdi, di)) == SR_OK)
- break;
- g_usleep(100 * 1000);
-
- timediff_us = g_get_monotonic_time() - devc->fw_updated;
- timediff_ms = timediff_us / 1000;
- sr_spew("Waited %" PRIi64 "ms.", timediff_ms);
- }
- if (ret != SR_OK) {
- sr_err("Device failed to renumerate.");
- return SR_ERR;
- }
- sr_info("Device came back after %" PRIi64 "ms.", timediff_ms);
- } else {
- sr_info("Firmware upload was not needed.");
- ret = dslogic_dev_open(sdi, di);
- }
-
- if (ret != SR_OK) {
- sr_err("Unable to open device.");
- return SR_ERR;
- }
-
- ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
- if (ret != 0) {
- switch (ret) {
- case LIBUSB_ERROR_BUSY:
- sr_err("Unable to claim USB interface. Another "
- "program or driver has already claimed it.");
- break;
- case LIBUSB_ERROR_NO_DEVICE:
- sr_err("Device has been disconnected.");
- break;
- default:
- sr_err("Unable to claim interface: %s.",
- libusb_error_name(ret));
- break;
- }
-
- return SR_ERR;
- }
-
-
- if ((ret = dslogic_fpga_firmware_upload(sdi)) != SR_OK)
- return ret;
-
- if (devc->cur_samplerate == 0) {
- /* Samplerate hasn't been set; default to the slowest one. */
- devc->cur_samplerate = devc->samplerates[0];
- }
-
- if (devc->cur_threshold == 0.0)
- devc->cur_threshold = 1.5;
-
- return SR_OK;
-}
-
-static int dev_close(struct sr_dev_inst *sdi)
-{
- struct sr_usb_dev_inst *usb;
-
- usb = sdi->conn;
-
- if (!usb->devhdl)
- return SR_ERR;
-
- sr_info("dslogic: Closing device on %d.%d (logical) / %s (physical) interface %d.",
- usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
- libusb_release_interface(usb->devhdl, USB_INTERFACE);
- libusb_close(usb->devhdl);
- usb->devhdl = NULL;
- sdi->status = SR_ST_INACTIVE;
-
- return SR_OK;
-}
-
-static int config_get(uint32_t key, GVariant **data,
- const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
-{
- struct dev_context *devc;
- struct sr_usb_dev_inst *usb;
- GVariant *range[2];
- unsigned int i, voltage_range;
- char str[128];
-
- (void)cg;
-
- if (!sdi)
- return SR_ERR_ARG;
-
- devc = sdi->priv;
-
- switch (key) {
- case SR_CONF_CONN:
- if (!sdi->conn)
- return SR_ERR_ARG;
- usb = sdi->conn;
- if (usb->address == 255)
- /* Device still needs to re-enumerate after firmware
- * upload, so we don't know its (future) address. */
- return SR_ERR;
- snprintf(str, 128, "%d.%d", usb->bus, usb->address);
- *data = g_variant_new_string(str);
- break;
- case SR_CONF_VOLTAGE_THRESHOLD:
- if (!strcmp(devc->profile->model, "DSLogic")) {
- voltage_range = 0;
-
- for (i = 0; i < ARRAY_SIZE(dslogic_voltage_thresholds); i++)
- if (dslogic_voltage_thresholds[i].low ==
- devc->cur_threshold) {
- voltage_range = i;
- break;
- }
-
- range[0] = g_variant_new_double(
- dslogic_voltage_thresholds[voltage_range].low);
- range[1] = g_variant_new_double(
- dslogic_voltage_thresholds[voltage_range].high);
- } else {
- range[0] = g_variant_new_double(devc->cur_threshold);
- range[1] = g_variant_new_double(devc->cur_threshold);
- }
- *data = g_variant_new_tuple(range, 2);
- break;
- case SR_CONF_LIMIT_SAMPLES:
- *data = g_variant_new_uint64(devc->limit_samples);
- break;
- case SR_CONF_SAMPLERATE:
- *data = g_variant_new_uint64(devc->cur_samplerate);
- break;
- case SR_CONF_CAPTURE_RATIO:
- *data = g_variant_new_uint64(devc->capture_ratio);
- break;
- case SR_CONF_EXTERNAL_CLOCK:
- *data = g_variant_new_boolean(devc->external_clock);
- break;
- case SR_CONF_CONTINUOUS:
- *data = g_variant_new_boolean(devc->continuous_mode);
- break;
- case SR_CONF_CLOCK_EDGE:
- i = devc->clock_edge;
- if (i >= ARRAY_SIZE(signal_edge_names))
- return SR_ERR_BUG;
- *data = g_variant_new_string(signal_edge_names[0]);
- break;
- default:
- return SR_ERR_NA;
- }
-
- return SR_OK;
-}
-
-/*
- * Helper for mapping a string-typed configuration value to an index
- * within a table of possible values.
- */
-static int lookup_index(GVariant *value, const char *const *table, int len)
-{
- const char *entry;
- int i;
-
- entry = g_variant_get_string(value, NULL);
- if (!entry)
- return -1;
-
- /* Linear search is fine for very small tables. */
- for (i = 0; i < len; i++) {
- if (strcmp(entry, table[i]) == 0)
- return i;
- }
-
- return -1;
-}
-
-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;
- uint64_t arg;
- int i, ret;
- gdouble low, high;
-
- (void)cg;
-
- if (!sdi)
- return SR_ERR_ARG;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
-
- devc = sdi->priv;
-
- ret = SR_OK;
-
- switch (key) {
- case SR_CONF_SAMPLERATE:
- arg = g_variant_get_uint64(data);
- for (i = 0; i < devc->num_samplerates; i++) {
- if (devc->samplerates[i] == arg) {
- devc->cur_samplerate = arg;
- break;
- }
- }
- if (i == devc->num_samplerates)
- ret = SR_ERR_ARG;
- break;
- case SR_CONF_LIMIT_SAMPLES:
- devc->limit_samples = g_variant_get_uint64(data);
- break;
- case SR_CONF_CAPTURE_RATIO:
- devc->capture_ratio = g_variant_get_uint64(data);
- ret = (devc->capture_ratio > 100) ? SR_ERR : SR_OK;
- break;
- case SR_CONF_VOLTAGE_THRESHOLD:
- g_variant_get(data, "(dd)", &low, &high);
- if (!strcmp(devc->profile->model, "DSLogic")) {
- for (i = 0; (unsigned int)i <
- ARRAY_SIZE(dslogic_voltage_thresholds); i++) {
- if (fabs(dslogic_voltage_thresholds[i].low - low) < 0.1 &&
- fabs(dslogic_voltage_thresholds[i].high - high) < 0.1) {
- devc->cur_threshold =
- dslogic_voltage_thresholds[i].low;
- break;
- }
- }
- ret = dslogic_fpga_firmware_upload(sdi);
- } else {
- ret = dslogic_set_voltage_threshold(sdi, (low + high) / 2.0);
- }
- break;
- case SR_CONF_EXTERNAL_CLOCK:
- devc->external_clock = g_variant_get_boolean(data);
- break;
- case SR_CONF_CONTINUOUS:
- devc->continuous_mode = g_variant_get_boolean(data);
- break;
- case SR_CONF_CLOCK_EDGE:
- i = lookup_index(data, signal_edge_names,
- ARRAY_SIZE(signal_edge_names));
- if (i < 0)
- return SR_ERR_ARG;
- devc->clock_edge = i;
- break;
- default:
- ret = SR_ERR_NA;
- }
-
- return ret;
-}
-
-static int config_list(uint32_t key, GVariant **data,
- const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
-{
- struct dev_context *devc = NULL;
- GVariant *gvar, *range[2];
- GVariantBuilder gvb;
- unsigned int i;
- double v;
-
- (void)cg;
-
- switch (key) {
- case SR_CONF_SCAN_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
- break;
- case SR_CONF_DEVICE_OPTIONS:
- if (!sdi) {
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
- } else {
- devc = sdi->priv;
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
- devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
- }
- break;
- case SR_CONF_VOLTAGE_THRESHOLD:
- if (sdi->priv)
- devc = sdi->priv;
- g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
- if (devc && !strcmp(devc->profile->model, "DSLogic")) {
- for (i = 0; i < ARRAY_SIZE(dslogic_voltage_thresholds); i++) {
- range[0] = g_variant_new_double(dslogic_voltage_thresholds[i].low);
- range[1] = g_variant_new_double(dslogic_voltage_thresholds[i].high);
- gvar = g_variant_new_tuple(range, 2);
- g_variant_builder_add_value(&gvb, gvar);
- }
- } else {
- for (v = 0.0; v <= 5.0; v += 0.1) {
- range[0] = g_variant_new_double(v);
- range[1] = g_variant_new_double(v);
- gvar = g_variant_new_tuple(range, 2);
- g_variant_builder_add_value(&gvb, gvar);
- }
- }
- *data = g_variant_builder_end(&gvb);
- break;
- case SR_CONF_SAMPLERATE:
- devc = sdi->priv;
- g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
- gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), devc->samplerates,
- devc->num_samplerates, sizeof(uint64_t));
- g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
- *data = g_variant_builder_end(&gvb);
- break;
- case SR_CONF_CLOCK_EDGE:
- *data = g_variant_new_strv(signal_edge_names,
- ARRAY_SIZE(signal_edge_names));
- break;
- default:
- return SR_ERR_NA;
- }
-
- return SR_OK;
-}
-
-static struct sr_dev_driver dslogic_driver_info = {
- .name = "dslogic",
- .longname = "DreamSourceLabs DSLogic",
- .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 = dslogic_acquisition_start,
- .dev_acquisition_stop = dslogic_acquisition_stop,
- .context = NULL,
-};
-SR_REGISTER_DEV_DRIVER(dslogic_driver_info);
projects / libsigrok.git / blobdiff