diff options
Diffstat (limited to 'libsigrok4DSLogic/hardware/DSLogic/dslogic.c')
| -rw-r--r-- | libsigrok4DSLogic/hardware/DSLogic/dslogic.c | 1956 |
1 files changed, 1956 insertions, 0 deletions
diff --git a/libsigrok4DSLogic/hardware/DSLogic/dslogic.c b/libsigrok4DSLogic/hardware/DSLogic/dslogic.c new file mode 100644 index 0000000..f107406 --- /dev/null +++ b/libsigrok4DSLogic/hardware/DSLogic/dslogic.c @@ -0,0 +1,1956 @@ +/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ * Copyright (C) 2013 DreamSourceLab <dreamsourcelab@dreamsourcelab.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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <errno.h>
+#include <assert.h>
+
+#include <inttypes.h>
+#include <libusb.h>
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+#include "dslogic.h"
+#include "command.h"
+
+#ifndef _WIN32
+#undef min
+#define min(a,b) ((a)<(b)?(a):(b))
+#endif
+
+static const int cons_buffer_size = 1024 * 16;
+static const int dso_buffer_size = 1024 * 16;
+
+static const int32_t hwopts[] = {
+ SR_CONF_CONN,
+};
+
+static const int32_t hwcaps[] = {
+ SR_CONF_LOGIC_ANALYZER,
+ SR_CONF_TRIGGER_TYPE,
+ SR_CONF_SAMPLERATE,
+
+ /* These are really implemented in the driver, not the hardware. */
+ SR_CONF_LIMIT_SAMPLES,
+ SR_CONF_CONTINUOUS,
+};
+
+static const int32_t hwoptions[] = {
+ SR_CONF_CLOCK_TYPE,
+ SR_CONF_OPERATION_MODE,
+};
+
+static const char *probe_names[] = {
+ "0", "1", "2", "3", "4", "5", "6", "7",
+ "8", "9", "10", "11", "12", "13", "14", "15",
+ NULL,
+};
+
+static uint16_t test_sample_value;
+static uint16_t test_init = 1;
+
+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),
+};
+
+SR_PRIV struct sr_dev_driver DSLogic_driver_info;
+static struct sr_dev_driver *di = &DSLogic_driver_info;
+
+extern struct ds_trigger *trigger;
+
+/**
+ * Check the USB configuration to determine if this is an DSLogic device.
+ *
+ * @return TRUE if the device's configuration profile match DSLogic
+ * configuration, FALSE otherwise.
+ */
+static gboolean check_conf_profile(libusb_device *dev)
+{
+ struct libusb_device_descriptor des;
+ struct libusb_device_handle *hdl;
+ gboolean ret;
+ unsigned char strdesc[64];
+
+ hdl = NULL;
+ ret = FALSE;
+ while (!ret) {
+ /* Assume the FW has not been loaded, unless proven wrong. */
+ if (libusb_get_device_descriptor(dev, &des) != 0)
+ break;
+
+ if (libusb_open(dev, &hdl) != 0)
+ break;
+
+ if (libusb_get_string_descriptor_ascii(hdl,
+ des.iManufacturer, strdesc, sizeof(strdesc)) < 0)
+ break;
+ if (strncmp((const char *)strdesc, "DreamSourceLab", 14))
+ break;
+
+ if (libusb_get_string_descriptor_ascii(hdl,
+ des.iProduct, strdesc, sizeof(strdesc)) < 0)
+ break;
+ if (strncmp((const char *)strdesc, "DSLogic", 7))
+ break;
+
+ /* If we made it here, it must be an DSLogic. */
+ ret = TRUE;
+ }
+ if (hdl)
+ libusb_close(hdl);
+
+ return ret;
+}
+
+static int fpga_setting(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ struct libusb_device_handle *hdl;
+ struct DSLogic_setting setting;
+ int ret;
+ int transferred;
+ int result;
+ int i;
+
+ devc = sdi->priv;
+ usb = sdi->conn;
+ hdl = usb->devhdl;
+
+ setting.sync = 0xf5a5f5a5;
+ setting.mode_header = 0x0001;
+ setting.divider_header = 0x0102ffff;
+ setting.count_header = 0x0302ffff;
+ setting.trig_pos_header = 0x0502ffff;
+ setting.trig_glb_header = 0x0701;
+ setting.trig_adp_header = 0x0a02ffff;
+ setting.trig_sda_header = 0x0c02ffff;
+ setting.trig_mask0_header = 0x1010ffff;
+ setting.trig_mask1_header = 0x1110ffff;
+ //setting.trig_mask2_header = 0x1210ffff;
+ //setting.trig_mask3_header = 0x1310ffff;
+ setting.trig_value0_header = 0x1410ffff;
+ setting.trig_value1_header = 0x1510ffff;
+ //setting.trig_value2_header = 0x1610ffff;
+ //setting.trig_value3_header = 0x1710ffff;
+ setting.trig_edge0_header = 0x1810ffff;
+ setting.trig_edge1_header = 0x1910ffff;
+ //setting.trig_edge2_header = 0x1a10ffff;
+ //setting.trig_edge3_header = 0x1b10ffff;
+ setting.trig_count0_header = 0x1c10ffff;
+ setting.trig_count1_header = 0x1d10ffff;
+ //setting.trig_count2_header = 0x1e10ffff;
+ //setting.trig_count3_header = 0x1f10ffff;
+ setting.trig_logic0_header = 0x2010ffff;
+ setting.trig_logic1_header = 0x2110ffff;
+ //setting.trig_logic2_header = 0x2210ffff;
+ //setting.trig_logic3_header = 0x2310ffff;
+ setting.end_sync = 0xfa5afa5a;
+
+ //setting.mode = (test_mode ? 0x8000 : 0x0000) + trigger->trigger_en + (sdi->mode << 4);
+ setting.mode = ((devc->op_mode == SR_OP_INTERNAL_TEST) << 15) +
+ ((devc->op_mode == SR_OP_EXTERNAL_TEST) << 14) +
+ ((devc->op_mode == SR_OP_LOOPBACK_TEST) << 13) +
+ trigger->trigger_en +
+ ((sdi->mode > 0) << 4) + (devc->clock_type << 1) +
+ (((devc->cur_samplerate == SR_MHZ(200) && sdi->mode != DSO) || (sdi->mode == ANALOG)) << 5) +
+ ((devc->cur_samplerate == SR_MHZ(400)) << 6) +
+ ((sdi->mode == ANALOG) << 7);
+ setting.divider = (uint32_t)ceil(SR_MHZ(100) * 1.0 / devc->cur_samplerate);
+ setting.count = (uint32_t)(devc->limit_samples);
+ setting.trig_pos = (uint32_t)(trigger->trigger_pos / 100.0f * devc->limit_samples);
+ setting.trig_glb = trigger->trigger_stages;
+ setting.trig_adp = setting.count - setting.trig_pos - 1;
+ setting.trig_sda = 0x0;
+ if (trigger->trigger_mode == SIMPLE_TRIGGER) {
+ setting.trig_mask0[0] = ds_trigger_get_mask0(TriggerStages);
+ setting.trig_mask1[0] = ds_trigger_get_mask1(TriggerStages);
+
+ setting.trig_value0[0] = ds_trigger_get_value0(TriggerStages);
+ setting.trig_value1[0] = ds_trigger_get_value1(TriggerStages);
+
+ setting.trig_edge0[0] = ds_trigger_get_edge0(TriggerStages);
+ setting.trig_edge1[0] = ds_trigger_get_edge1(TriggerStages);
+
+ setting.trig_count0[0] = trigger->trigger0_count[TriggerStages];
+ setting.trig_count1[0] = trigger->trigger1_count[TriggerStages];
+
+ setting.trig_logic0[0] = (trigger->trigger_logic[TriggerStages] << 1) + trigger->trigger0_inv[TriggerStages];
+ setting.trig_logic1[0] = (trigger->trigger_logic[TriggerStages] << 1) + trigger->trigger1_inv[TriggerStages];
+
+ for (i = 1; i < NUM_TRIGGER_STAGES; i++) {
+ setting.trig_mask0[i] = 1;
+ setting.trig_mask1[i] = 1;
+
+ setting.trig_value0[i] = 0;
+ setting.trig_value1[i] = 0;
+
+ setting.trig_edge0[i] = 0;
+ setting.trig_edge1[i] = 0;
+
+ setting.trig_count0[i] = 0;
+ setting.trig_count1[i] = 0;
+
+ setting.trig_logic0[i] = 2;
+ setting.trig_logic1[i] = 2;
+ }
+ } else {
+ for (i = 0; i < NUM_TRIGGER_STAGES; i++) {
+ setting.trig_mask0[i] = ds_trigger_get_mask0(i);
+ setting.trig_mask1[i] = ds_trigger_get_mask1(i);
+
+ setting.trig_value0[i] = ds_trigger_get_value0(i);
+ setting.trig_value1[i] = ds_trigger_get_value1(i);
+
+ setting.trig_edge0[i] = ds_trigger_get_edge0(i);
+ setting.trig_edge1[i] = ds_trigger_get_edge1(i);
+
+ setting.trig_count0[i] = trigger->trigger0_count[i];
+ setting.trig_count1[i] = trigger->trigger1_count[i];
+
+ setting.trig_logic0[i] = (trigger->trigger_logic[i] << 1) + trigger->trigger0_inv[i];
+ setting.trig_logic1[i] = (trigger->trigger_logic[i] << 1) + trigger->trigger1_inv[i];
+ }
+ }
+
+ result = SR_OK;
+ ret = libusb_bulk_transfer(hdl, 2 | LIBUSB_ENDPOINT_OUT,
+ &setting, sizeof(struct DSLogic_setting),
+ &transferred, 1000);
+
+ if (ret < 0) {
+ sr_err("Unable to setting FPGA of DSLogic: %s.",
+ libusb_error_name(ret));
+ result = SR_ERR;
+ } else if (transferred != sizeof(struct DSLogic_setting)) {
+ sr_err("Setting FPGA error: expacted transfer size %d; actually %d",
+ sizeof(struct DSLogic_setting), transferred);
+ result = SR_ERR;
+ }
+
+ if (result == SR_OK)
+ sr_info("FPGA setting done");
+
+ return result;
+}
+
+static int fpga_config(struct libusb_device_handle *hdl, const char *filename)
+{
+ FILE *fw;
+ int offset, chunksize, ret, result;
+ unsigned char *buf;
+ int transferred;
+
+ if (!(buf = g_try_malloc(XC6SLX9_BYTE_CNT))) {
+ sr_err("FPGA configure bit malloc failed.");
+ return SR_ERR;
+ }
+ sr_info("Configure FPGA using %s", filename);
+ if ((fw = g_fopen(filename, "rb")) == NULL) {
+ sr_err("Unable to open FPGA bit file %s for reading: %s",
+ filename, strerror(errno));
+ return SR_ERR;
+ }
+
+ result = SR_OK;
+ offset = 0;
+ while (1) {
+ chunksize = fread(buf, 1, XC6SLX9_BYTE_CNT, fw);
+ if (chunksize == 0)
+ break;
+
+ //do {
+ ret = libusb_bulk_transfer(hdl, 2 | LIBUSB_ENDPOINT_OUT,
+ buf, chunksize,
+ &transferred, 1000);
+ //} while(ret == LIBUSB_ERROR_TIMEOUT);
+
+ if (ret < 0) {
+ sr_err("Unable to configure FPGA of DSLogic: %s.",
+ libusb_error_name(ret));
+ result = SR_ERR;
+ break;
+ } else if (transferred != chunksize) {
+ sr_err("Configure FPGA error: expacted transfer size %d; actually %d",
+ chunksize, transferred);
+ result = SR_ERR;
+ break;
+ }
+ sr_info("Configure %d bytes", chunksize);
+ offset += chunksize;
+ }
+ fclose(fw);
+ if (result == SR_OK)
+ sr_info("FPGA configure done");
+
+ return result;
+}
+
+static int DSLogic_dev_open(struct sr_dev_inst *sdi)
+{
+ libusb_device **devlist;
+ struct sr_usb_dev_inst *usb;
+ struct libusb_device_descriptor des;
+ struct dev_context *devc;
+ struct drv_context *drvc;
+ struct version_info vi;
+ int ret, skip, i, device_count;
+ uint8_t revid;
+
+ drvc = di->priv;
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ if (sdi->status == SR_ST_ACTIVE)
+ /* Device is already in use. */
+ return SR_ERR;
+
+ skip = 0;
+ device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
+ if (device_count < 0) {
+ sr_err("Failed to get device list: %s.",
+ libusb_error_name(device_count));
+ return SR_ERR;
+ }
+
+ for (i = 0; i < device_count; i++) {
+ if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
+ sr_err("Failed to get device descriptor: %s.",
+ libusb_error_name(ret));
+ continue;
+ }
+
+ if (des.idVendor != devc->profile->vid
+ || des.idProduct != devc->profile->pid)
+ continue;
+
+ if (sdi->status == SR_ST_INITIALIZING) {
+ if (skip != sdi->index) {
+ /* Skip devices of this type that aren't the one we want. */
+ skip += 1;
+ continue;
+ }
+ } else if (sdi->status == SR_ST_INACTIVE) {
+ /*
+ * This device is fully enumerated, so we need to find
+ * this device by vendor, product, bus and address.
+ */
+ if (libusb_get_bus_number(devlist[i]) != usb->bus
+ || libusb_get_device_address(devlist[i]) != usb->address)
+ /* This is not the one. */
+ continue;
+ }
+
+ if (!(ret = libusb_open(devlist[i], &usb->devhdl))) {
+ if (usb->address == 0xff)
+ /*
+ * First time we touch this device after FW
+ * upload, so we don't know the address yet.
+ */
+ usb->address = libusb_get_device_address(devlist[i]);
+ } else {
+ sr_err("Failed to open device: %s.",
+ libusb_error_name(ret));
+ break;
+ }
+
+ ret = command_get_fw_version(usb->devhdl, &vi);
+ if (ret != SR_OK) {
+ sr_err("Failed to get firmware version.");
+ break;
+ }
+
+ ret = command_get_revid_version(usb->devhdl, &revid);
+ if (ret != SR_OK) {
+ sr_err("Failed to get REVID.");
+ break;
+ }
+
+ /*
+ * Changes in major version mean incompatible/API changes, so
+ * bail out if we encounter an incompatible version.
+ * Different minor versions are OK, they should be compatible.
+ */
+ if (vi.major != DSLOGIC_REQUIRED_VERSION_MAJOR) {
+ sr_err("Expected firmware version %d.x, "
+ "got %d.%d.", DSLOGIC_REQUIRED_VERSION_MAJOR,
+ vi.major, vi.minor);
+ break;
+ }
+
+ sdi->status = SR_ST_ACTIVE;
+ sr_info("Opened device %d on %d.%d, "
+ "interface %d, firmware %d.%d.",
+ sdi->index, usb->bus, usb->address,
+ USB_INTERFACE, vi.major, vi.minor);
+
+ sr_info("Detected REVID=%d, it's a Cypress CY7C68013%s.",
+ revid, (revid != 1) ? " (FX2)" : "A (FX2LP)");
+
+ break;
+ }
+ libusb_free_device_list(devlist, 1);
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR;
+
+ return SR_OK;
+}
+
+static int configure_probes(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_probe *probe;
+ GSList *l;
+ int probe_bit, stage, i;
+ char *tc;
+
+ devc = sdi->priv;
+ for (i = 0; i < NUM_TRIGGER_STAGES; i++) {
+ devc->trigger_mask[i] = 0;
+ devc->trigger_value[i] = 0;
+ }
+
+ stage = -1;
+ for (l = sdi->probes; l; l = l->next) {
+ probe = (struct sr_probe *)l->data;
+ if (probe->enabled == FALSE)
+ continue;
+
+ if ((probe->index > 7 && probe->type == SR_PROBE_LOGIC) ||
+ (probe->type == SR_PROBE_ANALOG || probe->type == SR_PROBE_DSO))
+ devc->sample_wide = TRUE;
+ else
+ devc->sample_wide = FALSE;
+
+ probe_bit = 1 << (probe->index);
+ if (!(probe->trigger))
+ continue;
+
+ stage = 0;
+ for (tc = probe->trigger; *tc; tc++) {
+ devc->trigger_mask[stage] |= probe_bit;
+ if (*tc == '1')
+ devc->trigger_value[stage] |= probe_bit;
+ stage++;
+ if (stage > NUM_TRIGGER_STAGES)
+ return SR_ERR;
+ }
+ }
+
+ if (stage == -1)
+ /*
+ * We didn't configure any triggers, make sure acquisition
+ * doesn't wait for any.
+ */
+ devc->trigger_stage = TRIGGER_FIRED;
+ else
+ devc->trigger_stage = 0;
+
+ return SR_OK;
+}
+
+static struct dev_context *DSLogic_dev_new(void)
+{
+ struct dev_context *devc;
+
+ if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
+ sr_err("Device context malloc failed.");
+ return NULL;
+ }
+
+ devc->profile = NULL;
+ devc->fw_updated = 0;
+ devc->cur_samplerate = 0;
+ devc->limit_samples = 0;
+ devc->sample_wide = 0;
+ devc->clock_type = FALSE;
+ devc->op_mode = SR_OP_NORMAL;
+ devc->vdiv0 = 1000;
+ devc->vdiv1 = 1000;
+ devc->timebase = 100;
+ devc->coupling0 = FALSE;
+ devc->coupling1 = FALSE;
+ devc->en_ch0 = TRUE;
+ devc->en_ch1 = FALSE;
+ devc->trigger_slope = DSO_TRIGGER_RISING;
+ devc->trigger_source = DSO_TRIGGER_AUTO;
+ devc->trigger_vpos = 0xffff;
+ devc->trigger_hpos = 0x80;
+ devc->zero = FALSE;
+
+ return devc;
+}
+
+static int dev_clear(void)
+{
+ return std_dev_clear(di, NULL);
+}
+
+static int init(struct sr_context *sr_ctx)
+{
+ return std_hw_init(sr_ctx, di, LOG_PREFIX);
+}
+
+static int set_probes(struct sr_dev_inst *sdi, int num_probes)
+{
+ int j;
+ struct sr_probe *probe;
+
+ for (j = 0; j < num_probes; j++) {
+ if (!(probe = sr_probe_new(j, (sdi->mode == LOGIC) ? SR_PROBE_LOGIC : ((sdi->mode == DSO) ? SR_PROBE_DSO : SR_PROBE_ANALOG),
+ TRUE, probe_names[j])))
+ return SR_ERR;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+ }
+ return SR_OK;
+}
+
+static int adjust_probes(struct sr_dev_inst *sdi, int num_probes)
+{
+ int j;
+ GSList *l;
+ struct sr_probe *probe;
+ GSList *p;
+
+ assert(num_probes > 0);
+
+ j = g_slist_length(sdi->probes);
+ while(j < num_probes) {
+ if (!(probe = sr_probe_new(j, (sdi->mode == LOGIC) ? SR_PROBE_LOGIC : ((sdi->mode == DSO) ? SR_PROBE_DSO : SR_PROBE_ANALOG),
+ TRUE, probe_names[j])))
+ return SR_ERR;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+ j++;
+ }
+
+ while(j > num_probes) {
+ g_slist_delete_link(sdi->probes, g_slist_last(sdi->probes));
+ j--;
+ }
+
+ return SR_OK;
+}
+
+static GSList *scan(GSList *options)
+{
+ struct drv_context *drvc;
+ struct dev_context *devc;
+ struct sr_dev_inst *sdi;
+ struct sr_usb_dev_inst *usb;
+ struct sr_config *src;
+ const struct DSLogic_profile *prof;
+ GSList *l, *devices, *conn_devices;
+ struct libusb_device_descriptor des;
+ libusb_device **devlist;
+ int devcnt, num_logic_probes, ret, i, j;
+ const char *conn;
+
+ drvc = di->priv;
+
+ 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;
+ }
+
+ if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) {
+ sr_warn("Failed to get device descriptor: %s.",
+ libusb_error_name(ret));
+ continue;
+ }
+
+ prof = NULL;
+ for (j = 0; supported_fx2[j].vid; j++) {
+ if (des.idVendor == supported_fx2[j].vid &&
+ des.idProduct == supported_fx2[j].pid) {
+ prof = &supported_fx2[j];
+ }
+ }
+
+ /* Skip if the device was not found. */
+ if (!prof)
+ continue;
+
+ devcnt = g_slist_length(drvc->instances);
+ sdi = sr_dev_inst_new(LOGIC, devcnt, SR_ST_INITIALIZING,
+ prof->vendor, prof->model, prof->model_version);
+ if (!sdi)
+ return NULL;
+ sdi->driver = di;
+
+ /* Fill in probelist according to this device's profile. */
+ num_logic_probes = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8;
+ if (set_probes(sdi, num_logic_probes) != SR_OK)
+ return NULL;
+
+ devc = DSLogic_dev_new();
+ devc->profile = prof;
+ sdi->priv = devc;
+ drvc->instances = g_slist_append(drvc->instances, sdi);
+ devices = g_slist_append(devices, sdi);
+
+ if (check_conf_profile(devlist[i])) {
+ /* 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 {
+ char filename[256];
+ sprintf(filename,"%s%s",config_path,prof->firmware);
+ const char *firmware = filename;
+ if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION,
+ 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.", devcnt);
+ 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 devices;
+}
+
+static GSList *dev_list(void)
+{
+ return ((struct drv_context *)(di->priv))->instances;
+}
+
+static int dev_open(struct sr_dev_inst *sdi)
+{
+ 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)) == 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);
+ }
+
+ 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 = command_fpga_config(usb->devhdl)) != SR_OK) {
+ sr_err("Send FPGA configure command failed!");
+ } else {
+ /* Takes >= 10ms for the FX2 to be ready for FPGA configure. */
+ g_usleep(10 * 1000);
+ char filename[256];
+ sprintf(filename,"%s%s",config_path,devc->profile->fpga_bit);
+ const char *fpga_bit = filename;
+ ret = fpga_config(usb->devhdl, fpga_bit);
+ if (ret != SR_OK) {
+ sr_err("Configure FPGA failed!");
+ }
+ }
+
+ if (devc->cur_samplerate == 0) {
+ /* Samplerate hasn't been set; default to the slowest one. */
+ //devc->cur_samplerate = samplerates[0];
+ devc->cur_samplerate = samplerates[sizeof(samplerates)/sizeof(uint64_t) - 3];
+ }
+
+ return SR_OK;
+}
+
+static int dev_close(struct sr_dev_inst *sdi)
+{
+ struct sr_usb_dev_inst *usb;
+
+ usb = sdi->conn;
+ if (usb->devhdl == NULL)
+ return SR_ERR;
+
+ sr_info("DSLogic: Closing device %d on %d.%d interface %d.",
+ sdi->index, usb->bus, usb->address, 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 cleanup(void)
+{
+ int ret;
+ struct drv_context *drvc;
+
+ if (!(drvc = di->priv))
+ return SR_OK;
+
+ ret = dev_clear();
+
+ g_free(drvc);
+ di->priv = NULL;
+
+ return ret;
+}
+
+static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ char str[128];
+
+ switch (id) {
+ case SR_CONF_CONN:
+ if (!sdi || !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_LIMIT_SAMPLES:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_uint64(devc->limit_samples);
+ break;
+ case SR_CONF_SAMPLERATE:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_uint64(devc->cur_samplerate);
+ break;
+ case SR_CONF_CLOCK_TYPE:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_boolean(devc->clock_type);
+ break;
+ case SR_CONF_OPERATION_MODE:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_string(opmodes[devc->op_mode]);
+ break;
+ case SR_CONF_VDIV0:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_uint64(devc->vdiv0);
+ break;
+ case SR_CONF_VDIV1:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_uint64(devc->vdiv1);
+ break;
+ case SR_CONF_TIMEBASE:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_uint64(devc->timebase);
+ break;
+ case SR_CONF_COUPLING0:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_boolean(devc->coupling0);
+ break;
+ case SR_CONF_COUPLING1:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_boolean(devc->coupling1);
+ break;
+ case SR_CONF_EN_CH0:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_boolean(devc->en_ch0);
+ break;
+ case SR_CONF_EN_CH1:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_boolean(devc->en_ch1);
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_byte(devc->trigger_slope);
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_byte(devc->trigger_source);
+ break;
+ case SR_CONF_TRIGGER_VALUE:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_uint16(devc->trigger_vpos);
+ break;
+ case SR_CONF_HORIZ_TRIGGERPOS:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_uint16(devc->trigger_hpos);
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+
+ return SR_OK;
+}
+
+static uint32_t dso_cmd_gen(struct sr_dev_inst *sdi, int channel, int id)
+{
+ struct dev_context *devc;
+ uint32_t cmd = 0;
+ int cmd_channel;
+
+ devc = sdi->priv;
+
+ switch (id) {
+ case SR_CONF_VDIV0:
+ case SR_CONF_VDIV1:
+ case SR_CONF_EN_CH0:
+ case SR_CONF_EN_CH1:
+ case SR_CONF_TIMEBASE:
+ case SR_CONF_COUPLING0:
+ case SR_CONF_COUPLING1:
+ if (devc->en_ch0 && !devc->en_ch1)
+ cmd_channel = -1;
+ else if (devc->en_ch0 && devc->en_ch1)
+ cmd_channel = channel;
+
+ // --VDBS
+ switch((cmd_channel == 1) ? devc->vdiv1 : devc->vdiv0){
+ case 5: cmd += 0x247000; break;
+ case 10: cmd += 0x23D000; break;
+ case 20: cmd += 0x22F000; break;
+ case 50: cmd += 0x21C800; break;
+ case 100: cmd += 0x20E800; break;
+ case 200: cmd += 0x200800; break;
+ case 500: cmd += 0x2F000; break;
+ case 1000: cmd += 0x21100; break;
+ case 2000: cmd += 0x13000; break;
+ case 5000: cmd += 0x00800; break;
+ default: cmd += 0x21100; break;
+ }
+ // --DC/AC
+ if(((cmd_channel == 1) ? devc->coupling1 : devc->coupling0))
+ cmd += 0x100000;
+
+ // --Channel
+ if(cmd_channel == 0)
+ cmd += 0x400000;
+ else if(cmd_channel == 1)
+ cmd += 0x800000;
+ else if(cmd_channel == -1)
+ cmd += 0xC00000;
+ else
+ cmd += 0x000000;
+
+ // --Header
+ cmd += 0x55000000;
+ break;
+ case SR_CONF_HORIZ_TRIGGERPOS:
+ cmd += 0x8;
+ cmd += devc->trigger_hpos << 8;
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ cmd += 0xc;
+ cmd += devc->trigger_slope << 8;
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ cmd += 0x10;
+ cmd += devc->trigger_source << 8;
+ break;
+ case SR_CONF_TRIGGER_VALUE:
+ cmd += 0x14;
+ cmd += devc->trigger_vpos << 8;
+ break;
+ case SR_CONF_ZERO:
+ cmd += 0x18;
+ break;
+ case SR_CONF_DSO_SYNC:
+ cmd = 0xa5a5a500;
+ break;
+ default:
+ cmd = 0x00000000;
+ }
+
+ return cmd;
+}
+
+static int config_set(int id, GVariant *data, struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ const char *stropt;
+ int ret, num_probes;
+ struct sr_usb_dev_inst *usb;
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR;
+
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ if (id == SR_CONF_SAMPLERATE) {
+ devc->cur_samplerate = g_variant_get_uint64(data);
+ if (sdi->mode == LOGIC) {
+ if (devc->cur_samplerate >= SR_MHZ(200)) {
+ adjust_probes(sdi, SR_MHZ(1600)/devc->cur_samplerate);
+ } else {
+ adjust_probes(sdi, 16);
+ }
+ }
+ ret = SR_OK;
+ } else if (id == SR_CONF_CLOCK_TYPE) {
+ devc->clock_type = g_variant_get_boolean(data);
+ ret = SR_OK;
+ }else if (id == SR_CONF_LIMIT_SAMPLES) {
+ devc->limit_samples = g_variant_get_uint64(data);
+ ret = SR_OK;
+ } else if (id == SR_CONF_DEVICE_MODE) {
+ stropt = g_variant_get_string(data, NULL);
+ ret = SR_OK;
+ if (!strcmp(stropt, mode_strings[LOGIC])) {
+ sdi->mode = LOGIC;
+ num_probes = devc->profile->dev_caps & DEV_CAPS_16BIT ? 16 : 8;
+ } else if (!strcmp(stropt, mode_strings[DSO])) {
+ sdi->mode = DSO;
+ num_probes = devc->profile->dev_caps & DEV_CAPS_16BIT ? MAX_DSO_PROBES_NUM : 1;
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 0, SR_CONF_DSO_SYNC));
+ if (ret != SR_OK)
+ sr_dbg("%s: DSO configuration sync failed", __func__);
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 0, SR_CONF_VDIV0));
+ if (ret == SR_OK)
+ sr_dbg("%s: Initial setting for DSO mode", __func__);
+ else
+ sr_dbg("%s: Initial setting for DSO mode failed", __func__);
+ } else {
+ sdi->mode = ANALOG;
+ num_probes = devc->profile->dev_caps & DEV_CAPS_16BIT ? MAX_ANALOG_PROBES_NUM : 1;
+ }
+ sr_dev_probes_free(sdi);
+ set_probes(sdi, num_probes);
+ sr_dbg("%s: setting mode to %d", __func__, sdi->mode);
+ } else if (id == SR_CONF_OPERATION_MODE) {
+ stropt = g_variant_get_string(data, NULL);
+ ret = SR_OK;
+ if (!strcmp(stropt, opmodes[SR_OP_NORMAL])) {
+ devc->op_mode = SR_OP_NORMAL;
+ } else if (!strcmp(stropt, opmodes[SR_OP_INTERNAL_TEST])) {
+ devc->op_mode = SR_OP_INTERNAL_TEST;
+ } else if (!strcmp(stropt, opmodes[SR_OP_EXTERNAL_TEST])) {
+ devc->op_mode = SR_OP_EXTERNAL_TEST;
+ } else if (!strcmp(stropt, opmodes[SR_OP_LOOPBACK_TEST])) {
+ devc->op_mode = SR_OP_LOOPBACK_TEST;
+ } else {
+ ret = SR_ERR;
+ }
+ sr_dbg("%s: setting pattern to %d",
+ __func__, devc->op_mode);
+ } else if (id == SR_CONF_EN_CH0) {
+ devc->en_ch0 = g_variant_get_boolean(data);
+ if (sdi->mode == DSO) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 0, SR_CONF_EN_CH0));
+ }
+ if (ret == SR_OK)
+ sr_dbg("%s: setting ENABLE of channel 0 to %d",
+ __func__, devc->en_ch0);
+ else
+ sr_dbg("%s: setting ENABLE of channel 0 to %d",
+ __func__, devc->en_ch0);
+ } else if (id == SR_CONF_EN_CH1) {
+ devc->en_ch1 = g_variant_get_boolean(data);
+ if (sdi->mode == DSO) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 1, SR_CONF_EN_CH1));
+ }
+ if (ret == SR_OK)
+ sr_dbg("%s: setting ENABLE of channel 1 to %d",
+ __func__, devc->en_ch1);
+ else
+ sr_dbg("%s: setting ENABLE of channel 1 to %d",
+ __func__, devc->en_ch1);
+ } else if (id == SR_CONF_VDIV0) {
+ devc->vdiv0 = g_variant_get_uint64(data);
+ if (sdi->mode == DSO) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 0, SR_CONF_VDIV0));
+ }
+ if (ret == SR_OK)
+ sr_dbg("%s: setting VDIV of channel 0 to %d mv",
+ __func__, devc->vdiv0);
+ else
+ sr_dbg("%s: setting VDIV of channel 0 to %d mv failed",
+ __func__, devc->vdiv0);
+ } else if (id == SR_CONF_VDIV1) {
+ devc->vdiv1 = g_variant_get_uint64(data);
+ if (sdi->mode == DSO) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 1, SR_CONF_VDIV1));
+ }
+ if (ret == SR_OK)
+ sr_dbg("%s: setting VDIV of channel 1 to %d mv",
+ __func__, devc->vdiv1);
+ else
+ sr_dbg("%s: setting VDIV of channel 1 to %d mv failed",
+ __func__, devc->vdiv1);
+ } else if (id == SR_CONF_TIMEBASE) {
+ devc->timebase = g_variant_get_uint64(data);
+ } else if (id == SR_CONF_COUPLING0) {
+ devc->coupling0 = g_variant_get_boolean(data);
+ if (sdi->mode == DSO) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 0, SR_CONF_COUPLING0));
+ }
+ if (ret == SR_OK)
+ sr_dbg("%s: setting AC COUPLING of channel 0 to %d",
+ __func__, devc->coupling0);
+ else
+ sr_dbg("%s: setting AC COUPLING of channel 0 to %d failed",
+ __func__, devc->coupling0);
+ } else if (id == SR_CONF_COUPLING1) {
+ devc->coupling1 = g_variant_get_boolean(data);
+ if (sdi->mode == DSO) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 1, SR_CONF_COUPLING0));
+ }
+ if (ret == SR_OK)
+ sr_dbg("%s: setting AC COUPLING of channel 1 to %d",
+ __func__, devc->coupling1);
+ else
+ sr_dbg("%s: setting AC COUPLING of channel 1 to %d failed",
+ __func__, devc->coupling1);
+ } else if (id == SR_CONF_TRIGGER_SLOPE) {
+ devc->trigger_slope = g_variant_get_byte(data);
+ if (sdi->mode == DSO) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 1, SR_CONF_TRIGGER_SLOPE));
+ }
+ if (ret == SR_OK)
+ sr_dbg("%s: setting DSO Trigger Slope to %d",
+ __func__, devc->trigger_slope);
+ else
+ sr_dbg("%s: setting DSO Trigger Slope to %d failed",
+ __func__, devc->trigger_slope);
+ } else if (id == SR_CONF_TRIGGER_SOURCE) {
+ devc->trigger_source = g_variant_get_byte(data);
+ if (sdi->mode == DSO) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 1, SR_CONF_TRIGGER_SOURCE));
+ }
+ if (ret == SR_OK)
+ sr_dbg("%s: setting DSO Trigger Source to %d",
+ __func__, devc->trigger_source);
+ else
+ sr_dbg("%s: setting DSO Trigger Source to %d failed",
+ __func__, devc->trigger_source);
+ } else if (id == SR_CONF_TRIGGER_VALUE) {
+ devc->trigger_vpos = g_variant_get_uint16(data);
+ if (sdi->mode == DSO) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 1, SR_CONF_TRIGGER_VALUE));
+ }
+ if (ret == SR_OK)
+ sr_dbg("%s: setting DSO Trigger Value to %d",
+ __func__, devc->trigger_vpos);
+ else
+ sr_dbg("%s: setting DSO Trigger Value to %d failed",
+ __func__, devc->trigger_vpos);
+ } else if (id == SR_CONF_HORIZ_TRIGGERPOS) {
+ devc->trigger_hpos = g_variant_get_uint32(data);
+ if (sdi->mode == DSO) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 1, SR_CONF_HORIZ_TRIGGERPOS));
+ }
+ if (ret == SR_OK)
+ sr_dbg("%s: setting DSO Horiz Trigger Position to %d",
+ __func__, devc->trigger_hpos);
+ else
+ sr_dbg("%s: setting DSO Horiz Trigger Position to %d failed",
+ __func__, devc->trigger_hpos);
+ } else if (id == SR_CONF_ZERO) {
+ devc->zero = g_variant_get_boolean(data);
+ if (sdi->mode == DSO && devc->zero) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 0, SR_CONF_ZERO));
+ }
+ if (ret == SR_OK)
+ sr_dbg("%s: DSO zero adjustment",
+ __func__);
+ else
+ sr_dbg("%s: DSO zero adjustment failed",
+ __func__);
+ } else {
+ ret = SR_ERR_NA;
+ }
+
+ return ret;
+}
+
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+{
+ GVariant *gvar;
+ GVariantBuilder gvb;
+
+ (void)sdi;
+
+ switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+// *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+// hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
+ *data = g_variant_new_from_data(G_VARIANT_TYPE("ai"),
+ hwopts, ARRAY_SIZE(hwopts)*sizeof(int32_t), TRUE, NULL, NULL);
+ break;
+ case SR_CONF_DEVICE_OPTIONS:
+// *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+// hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
+ *data = g_variant_new_from_data(G_VARIANT_TYPE("ai"),
+ hwcaps, ARRAY_SIZE(hwcaps)*sizeof(int32_t), TRUE, NULL, NULL);
+ break;
+ case SR_CONF_DEVICE_CONFIGS:
+// *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+// hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
+ *data = g_variant_new_from_data(G_VARIANT_TYPE("ai"),
+ hwoptions, ARRAY_SIZE(hwoptions)*sizeof(int32_t), TRUE, NULL, NULL);
+ 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));
+ gvar = g_variant_new_from_data(G_VARIANT_TYPE("at"),
+ samplerates, ARRAY_SIZE(samplerates)*sizeof(uint64_t), TRUE, NULL, NULL);
+ 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_TYPE);
+ break;
+ case SR_CONF_OPERATION_MODE:
+ *data = g_variant_new_strv(opmodes, ARRAY_SIZE(opmodes));
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+
+ return SR_OK;
+}
+
+static void abort_acquisition(struct dev_context *devc)
+{
+ int i, ret;
+ struct sr_usb_dev_inst *usb;
+
+ devc->num_samples = -1;
+
+ sr_info("%s: Stopping", __func__);
+
+ /* Stop GPIF acquisition */
+ usb = ((struct sr_dev_inst *)devc->cb_data)->conn;
+ if ((ret = command_stop_acquisition (usb->devhdl)) != SR_OK)
+ sr_err("Stop DSLogic acquisition failed!");
+ else
+ sr_info("Stop DSLogic acquisition!");
+
+ /* Cancel exist transfers */
+ for (i = devc->num_transfers - 1; i >= 0; i--) {
+ if (devc->transfers[i])
+ libusb_cancel_transfer(devc->transfers[i]);
+ }
+}
+
+static void finish_acquisition(struct dev_context *devc)
+{
+ struct sr_datafeed_packet packet;
+ int i, ret;
+ struct sr_usb_dev_inst *usb;
+
+ sr_err("finish acquisition: send SR_DF_END packet");
+ /* Terminate session. */
+ packet.type = SR_DF_END;
+ sr_session_send(devc->cb_data, &packet);
+
+ sr_err("finish acquisition: remove fds from polling");
+ /* Remove fds from polling. */
+ for (i = 0; devc->usbfd[i] != -1; i++)
+ sr_source_remove(devc->usbfd[i]);
+ g_free(devc->usbfd);
+
+ if (devc->num_transfers != 0) {
+ devc->num_transfers = 0;
+ g_free(devc->transfers);
+ }
+}
+
+static void free_transfer(struct libusb_transfer *transfer)
+{
+ struct dev_context *devc;
+ unsigned int i;
+
+ devc = transfer->user_data;
+
+ g_free(transfer->buffer);
+ transfer->buffer = NULL;
+ libusb_free_transfer(transfer);
+
+ for (i = 0; i < devc->num_transfers; i++) {
+ if (devc->transfers[i] == transfer) {
+ devc->transfers[i] = NULL;
+ break;
+ }
+ }
+
+ devc->submitted_transfers--;
+ if (devc->submitted_transfers == 0 && devc->status != DSLOGIC_TRIGGERED)
+ finish_acquisition(devc);
+}
+
+static int receive_data(int fd, int revents, const struct sr_dev_inst *sdi)
+{
+ static int i = 0;
+ struct timeval tv;
+ struct drv_context *drvc;
+ struct dev_context *devc;
+
+ (void)fd;
+ (void)revents;
+
+ drvc = di->priv;
+ devc = sdi->priv;
+
+ if (devc->num_samples != -1 &&
+ (devc->status == DSLOGIC_STOP || devc->status == DSLOGIC_ERROR)) {
+ sr_info("%s: Stopping", __func__);
+ abort_acquisition(devc);
+ }
+
+ tv.tv_sec = tv.tv_usec = 0;
+ libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
+
+ return TRUE;
+}
+
+static void resubmit_transfer(struct libusb_transfer *transfer)
+{
+ int ret;
+
+ if ((ret = libusb_submit_transfer(transfer)) == LIBUSB_SUCCESS)
+ return;
+
+ free_transfer(transfer);
+ /* TODO: Stop session? */
+
+ sr_err("%s: %s", __func__, libusb_error_name(ret));
+}
+
+
+static void receive_transfer(struct libusb_transfer *transfer)
+{
+ gboolean packet_has_error = FALSE;
+ struct sr_datafeed_packet packet;
+ struct sr_datafeed_logic logic;
+ struct sr_datafeed_dso dso;
+ struct sr_datafeed_analog analog;
+ struct dev_context *devc;
+ int trigger_offset, i, sample_width, cur_sample_count;
+ int trigger_offset_bytes;
+ uint8_t *cur_buf;
+ //GTimeVal cur_time;
+
+ //g_get_current_time(&cur_time);
+ //sr_info("receive_transfer: current time %d sec %d usec", cur_time.tv_sec, cur_time.tv_usec);
+
+
+ devc = transfer->user_data;
+
+ /*
+ * If acquisition has already ended, just free any queued up
+ * transfer that come in.
+ */
+ if (devc->num_samples == -1) {
+ free_transfer(transfer);
+ return;
+ }
+
+ //sr_info("receive_transfer(): status %d; timeout %d; received %d bytes.",
+ // transfer->status, transfer->timeout, transfer->actual_length);
+
+ /* Save incoming transfer before reusing the transfer struct. */
+ cur_buf = transfer->buffer;
+ sample_width = devc->cur_samplerate <= SR_MHZ(100) ? 2 :
+ devc->sample_wide ? 2 : 1;
+ cur_sample_count = transfer->actual_length / sample_width;
+
+ switch (transfer->status) {
+ case LIBUSB_TRANSFER_NO_DEVICE:
+ //abort_acquisition(devc);
+ free_transfer(transfer);
+ devc->status = DSLOGIC_ERROR;
+ return;
+ case LIBUSB_TRANSFER_COMPLETED:
+ case LIBUSB_TRANSFER_TIMED_OUT: /* We may have received some data though. */
+ break;
+ default:
+ packet_has_error = TRUE;
+ break;
+ }
+
+ if (transfer->actual_length == 0 || packet_has_error) {
+ devc->empty_transfer_count++;
+ if (devc->empty_transfer_count > MAX_EMPTY_TRANSFERS) {
+ /*
+ * The FX2 gave up. End the acquisition, the frontend
+ * will work out that the samplecount is short.
+ */
+ //abort_acquisition(devc);
+ free_transfer(transfer);
+ devc->status = DSLOGIC_ERROR;
+ } else {
+ resubmit_transfer(transfer);
+ }
+ return;
+ } else {
+ devc->empty_transfer_count = 0;
+ }
+
+ trigger_offset = 0;
+ if (devc->trigger_stage >= 0) {
+ for (i = 0; i < cur_sample_count; i++) {
+
+ const uint16_t cur_sample = devc->sample_wide ?
+ *((const uint16_t*)cur_buf + i) :
+ *((const uint8_t*)cur_buf + i);
+
+ if ((cur_sample & devc->trigger_mask[devc->trigger_stage]) ==
+ devc->trigger_value[devc->trigger_stage]) {
+ /* Match on this trigger stage. */
+ devc->trigger_buffer[devc->trigger_stage] = cur_sample;
+ devc->trigger_stage++;
+
+ if (devc->trigger_stage == NUM_TRIGGER_STAGES ||
+ devc->trigger_mask[devc->trigger_stage] == 0) {
+ /* Match on all trigger stages, we're done. */
+ trigger_offset = i + 1;
+
+ /*
+ * TODO: Send pre-trigger buffer to session bus.
+ * Tell the frontend we hit the trigger here.
+ */
+ packet.type = SR_DF_TRIGGER;
+ packet.payload = NULL;
+ sr_session_send(devc->cb_data, &packet);
+
+ /*
+ * Send the samples that triggered it,
+ * since we're skipping past them.
+ */
+ packet.type = SR_DF_LOGIC;
+ packet.payload = &logic;
+ logic.unitsize = sizeof(*devc->trigger_buffer);
+ logic.length = devc->trigger_stage * logic.unitsize;
+ logic.data = devc->trigger_buffer;
+ sr_session_send(devc->cb_data, &packet);
+
+ devc->trigger_stage = TRIGGER_FIRED;
+ break;
+ }
+ } else if (devc->trigger_stage > 0) {
+ /*
+ * We had a match before, but not in the next sample. However, we may
+ * have a match on this stage in the next bit -- trigger on 0001 will
+ * fail on seeing 00001, so we need to go back to stage 0 -- but at
+ * the next sample from the one that matched originally, which the
+ * counter increment at the end of the loop takes care of.
+ */
+ i -= devc->trigger_stage;
+ if (i < -1)
+ i = -1; /* Oops, went back past this buffer. */
+ /* Reset trigger stage. */
+ devc->trigger_stage = 0;
+ }
+ }
+ }
+
+ if (devc->trigger_stage == TRIGGER_FIRED) {
+ /* Send the incoming transfer to the session bus. */
+ trigger_offset_bytes = trigger_offset * sample_width;
+ if ((*(struct sr_dev_inst *)(devc->cb_data)).mode == LOGIC) {
+ packet.type = SR_DF_LOGIC;
+ packet.payload = &logic;
+ logic.length = transfer->actual_length - trigger_offset_bytes;
+ logic.unitsize = sample_width;
+ logic.data_error = 0;
+ logic.data = cur_buf + trigger_offset_bytes;
+ } else if ((*(struct sr_dev_inst *)(devc->cb_data)).mode == DSO) {
+ packet.type = SR_DF_DSO;
+ packet.payload = &dso;
+ dso.probes = (*(struct sr_dev_inst *)(devc->cb_data)).probes;
+ dso.num_samples = transfer->actual_length / sample_width;
+ dso.mq = SR_MQ_VOLTAGE;
+ dso.unit = SR_UNIT_VOLT;
+ dso.mqflags = SR_MQFLAG_AC;
+ dso.data = cur_buf + trigger_offset_bytes;
+ } else {
+ packet.type = SR_DF_ANALOG;
+ packet.payload = &analog;
+ analog.probes = (*(struct sr_dev_inst *)(devc->cb_data)).probes;
+ analog.num_samples = transfer->actual_length / sample_width;
+ analog.mq = SR_MQ_VOLTAGE;
+ analog.unit = SR_UNIT_VOLT;
+ analog.mqflags = SR_MQFLAG_AC;
+ analog.data = cur_buf + trigger_offset_bytes;
+ }
+
+ if ((devc->limit_samples && devc->num_samples < devc->limit_samples) ||
+ (*(struct sr_dev_inst *)(devc->cb_data)).mode != LOGIC ) {
+ const uint64_t remain_length= (devc->limit_samples - devc->num_samples) * sample_width;
+ logic.length = min(logic.length, remain_length);
+
+ /* in test mode, check data content*/
+ if (devc->op_mode == SR_OP_INTERNAL_TEST) {
+ //for (i = 0; i < logic.length / sample_width; i++) {
+ for (i = 0; i < logic.length / 2; i++) {
+// const uint16_t cur_sample = devc->sample_wide ?
+// *((const uint16_t*)cur_buf + i) :
+// *((const uint8_t*)cur_buf + i);
+ const uint16_t cur_sample = *((const uint16_t*)cur_buf + i);
+ if (test_init == 1) {
+ test_sample_value = cur_sample;
+ test_init = 0;
+ }
+ if (cur_sample != test_sample_value) {
+ logic.data_error = 1;
+ break;
+ }
+ test_sample_value++;
+ }
+ }
+ if (devc->op_mode == SR_OP_EXTERNAL_TEST) {
+ for (i = 0; i < logic.length / 2; i++) {
+ const uint16_t cur_sample = *((const uint16_t*)cur_buf + i);
+ if (test_init == 1) {
+ test_sample_value = cur_sample;
+ test_init = 0;
+ }
+ if (cur_sample != test_sample_value) {
+ logic.data_error = 1;
+ sr_err("exp: %d; act: %d", test_sample_value, cur_sample);
+ break;
+ }
+ test_sample_value = (test_sample_value + 1) % 65001;
+ //test_sample_value = test_sample_value + 1;
+ }
+ }
+
+ /* send data to session bus */
+ sr_session_send(devc->cb_data, &packet);
+ }
+
+ devc->num_samples += cur_sample_count;
+ if ((*(struct sr_dev_inst *)(devc->cb_data)).mode == LOGIC &&
+ devc->limit_samples &&
+ (unsigned int)devc->num_samples >= devc->limit_samples) {
+ //abort_acquisition(devc);
+ free_transfer(transfer);
+ devc->status = DSLOGIC_STOP;
+ return;
+ }
+ } else {
+ /*
+ * TODO: Buffer pre-trigger data in capture
+ * ratio-sized buffer.
+ */
+ }
+
+ resubmit_transfer(transfer);
+}
+
+static unsigned int to_bytes_per_ms(struct dev_context *devc)
+{
+ if (devc->cur_samplerate > SR_MHZ(100))
+ return SR_MHZ(100) / 1000 * (devc->sample_wide ? 2 : 1);
+ else
+ return devc->cur_samplerate / 1000 * (devc->sample_wide ? 2 : 1);
+}
+
+static size_t get_buffer_size(struct dev_context *devc)
+{
+ size_t s;
+
+ /*
+ * The buffer should be large enough to hold 20ms of data and
+ * a multiple of 512.
+ */
+ s = 20 * to_bytes_per_ms(devc);
+ return (s + 511) & ~511;
+}
+
+static unsigned int get_number_of_transfers(struct dev_context *devc)
+{
+ unsigned int n;
+ /* Total buffer size should be able to hold about 100ms of data. */
+ n = 100 * to_bytes_per_ms(devc) / get_buffer_size(devc);
+
+ if (n > NUM_SIMUL_TRANSFERS)
+ return NUM_SIMUL_TRANSFERS;
+
+ return n;
+}
+
+static unsigned int get_timeout(struct dev_context *devc)
+{
+ size_t total_size;
+ unsigned int timeout;
+
+ total_size = get_buffer_size(devc) * get_number_of_transfers(devc);
+ timeout = total_size / to_bytes_per_ms(devc);
+ //return timeout + timeout / 4; /* Leave a headroom of 25% percent. */
+ return 1000;
+}
+
+static int dev_transfer_start(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct sr_usb_dev_inst *usb;
+ struct libusb_transfer *transfer;
+ unsigned int i, timeout, num_transfers;
+ int ret;
+ unsigned char *buf;
+ size_t size;
+
+ devc = sdi->priv;
+ usb = sdi->conn;
+
+ timeout = get_timeout(devc);
+ num_transfers = get_number_of_transfers(devc);
+ size = (sdi->mode == ANALOG) ? cons_buffer_size : ((sdi->mode == DSO) ? dso_buffer_size : get_buffer_size(devc));
+ devc->submitted_transfers = 0;
+
+ devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers);
+ if (!devc->transfers) {
+ sr_err("USB transfers malloc failed.");
+ return SR_ERR_MALLOC;
+ }
+
+ devc->num_transfers = num_transfers;
+ for (i = 0; i < num_transfers; i++) {
+ if (!(buf = g_try_malloc(size))) {
+ sr_err("USB transfer buffer malloc failed.");
+ return SR_ERR_MALLOC;
+ }
+ transfer = libusb_alloc_transfer(0);
+ libusb_fill_bulk_transfer(transfer, usb->devhdl,
+ 6 | LIBUSB_ENDPOINT_IN, buf, size,
+ receive_transfer, devc, 0);
+ if ((ret = libusb_submit_transfer(transfer)) != 0) {
+ sr_err("Failed to submit transfer: %s.",
+ libusb_error_name(ret));
+ libusb_free_transfer(transfer);
+ g_free(buf);
+ abort_acquisition(devc);
+ return SR_ERR;
+ }
+ devc->transfers[i] = transfer;
+ devc->submitted_transfers++;
+ }
+
+ devc->status = DSLOGIC_DATA;
+
+ return SR_OK;
+}
+
+static void receive_trigger_pos(struct libusb_transfer *transfer)
+{
+ struct dev_context *devc;
+ struct sr_datafeed_packet packet;
+ struct sr_datafeed_logic logic;
+ struct sr_datafeed_dso dso;
+ struct sr_datafeed_analog analog;
+ struct ds_trigger_pos *trigger_pos;
+ int ret;
+
+ devc = transfer->user_data;
+ sr_info("receive trigger pos handle...");
+
+ if (devc->num_samples == -1) {
+ free_transfer(transfer);
+ return;
+ }
+
+ sr_info("receive_trigger_pos(): status %d; timeout %d; received %d bytes.",
+ transfer->status, transfer->timeout, transfer->actual_length);
+
+ if (devc->status != DSLOGIC_ERROR) {
+ trigger_pos = (struct ds_trigger_pos *)transfer->buffer;
+ switch (transfer->status) {
+ case LIBUSB_TRANSFER_COMPLETED:
+ packet.type = SR_DF_TRIGGER;
+ packet.payload = trigger_pos;
+ sr_session_send(devc->cb_data, &packet);
+
+ /*if ((*(struct sr_dev_inst *)(devc->cb_data)).mode == LOGIC) {
+ packet.type = SR_DF_LOGIC;
+ packet.payload = &logic;
+ logic.unitsize = devc->sample_wide ? 2 : 1;
+ logic.length = sizeof(trigger_pos->first_block);
+ logic.data_error = 0;
+ logic.data = trigger_pos->first_block;
+ devc->num_samples += logic.length / logic.unitsize;
+ } else if ((*(struct sr_dev_inst *)(devc->cb_data)).mode == DSO){
+ packet.type = SR_DF_DSO;
+ packet.payload = &dso;
+ dso.probes = (*(struct sr_dev_inst *)(devc->cb_data)).probes;
+ dso.num_samples = sizeof(trigger_pos->first_block) / (devc->sample_wide ? 2 : 1);
+ dso.mq = SR_MQ_VOLTAGE;
+ dso.unit = SR_UNIT_VOLT;
+ dso.mqflags = SR_MQFLAG_AC;
+ dso.data = trigger_pos->first_block;;
+ } else {
+ packet.type = SR_DF_ANALOG;
+ packet.payload = &analog;
+ analog.probes = (*(struct sr_dev_inst *)(devc->cb_data)).probes;
+ analog.num_samples = sizeof(trigger_pos->first_block) / (devc->sample_wide ? 2 : 1);
+ analog.mq = SR_MQ_VOLTAGE;
+ analog.unit = SR_UNIT_VOLT;
+ analog.mqflags = SR_MQFLAG_AC;
+ analog.data = trigger_pos->first_block;;
+ }
+
+ sr_session_send(devc->cb_data, &packet);*/
+
+ devc->status = DSLOGIC_TRIGGERED;
+ free_transfer(transfer);
+ devc->num_transfers = 0;
+ break;
+ default:
+ //abort_acquisition(devc);
+ free_transfer(transfer);
+ devc->status = DSLOGIC_ERROR;
+ break;
+ }
+
+// if (devc->status != DSLOGIC_START) {
+// g_free(transfer->buffer);
+// transfer->buffer = NULL;
+// libusb_free_transfer(transfer);
+// }
+// if (devc->status == DSLOGIC_STOP) {
+// finish_acquisition(devc);
+// }
+
+ if (devc->status == DSLOGIC_TRIGGERED) {
+ if ((ret = dev_transfer_start(devc->cb_data)) != SR_OK) {
+ sr_err("%s: could not start data transfer"
+ "(%d)%d", __func__, ret, errno);
+ }
+ }
+ }
+}
+
+static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
+{
+ struct dev_context *devc;
+ struct drv_context *drvc;
+ struct sr_usb_dev_inst *usb;
+ struct libusb_transfer *transfer;
+ struct ds_trigger_pos *trigger_pos;
+ const struct libusb_pollfd **lupfd;
+ int ret;
+ int header_transferred;
+ unsigned int i;
+
+ test_init = 1;
+
+ 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->cb_data = sdi;
+ devc->num_samples = 0;
+ devc->empty_transfer_count = 0;
+ devc->status = DSLOGIC_INIT;
+ devc->num_transfers = 0;
+ devc->submitted_transfers = 0;
+
+ /* Configures devc->trigger_* and devc->sample_wide */
+ if (configure_probes(sdi) != SR_OK) {
+ sr_err("Failed to configure probes.");
+ return SR_ERR;
+ }
+
+ /* Stop Previous GPIF acquisition */
+ if ((ret = command_stop_acquisition (usb->devhdl)) != SR_OK) {
+ sr_err("Stop DSLogic acquisition failed!");
+ abort_acquisition(devc);
+ return ret;
+ } else {
+ sr_info("Stop Previous DSLogic acquisition!");
+ }
+
+ /* Setting FPGA before acquisition start*/
+ if ((ret = command_fpga_setting(usb->devhdl, sizeof(struct DSLogic_setting) / sizeof(uint16_t))) != SR_OK) {
+ sr_err("Send FPGA setting command failed!");
+ } else {
+ if ((ret = fpga_setting(sdi)) != SR_OK) {
+ sr_err("Configure FPGA failed!");
+ abort_acquisition(devc);
+ return ret;
+ }
+ }
+ if (sdi->mode == DSO) {
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 0, SR_CONF_VDIV0));
+ if (ret != SR_OK) {
+ sr_err("Set VDIV of channel 0 command failed!");
+ return ret;
+ }
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 1, SR_CONF_VDIV1));
+ if (ret != SR_OK) {
+ sr_err("Set VDIV of channel 1 command failed!");
+ return ret;
+ }
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 0, SR_CONF_HORIZ_TRIGGERPOS));
+ if (ret != SR_OK) {
+ sr_err("Set Horiz Trigger Position command failed!");
+ return ret;
+ }
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 0, SR_CONF_TRIGGER_SLOPE));
+ if (ret != SR_OK) {
+ sr_err("Set Trigger Slope command failed!");
+ return ret;
+ }
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 0, SR_CONF_TRIGGER_SOURCE));
+ if (ret != SR_OK) {
+ sr_err("Set Trigger Source command failed!");
+ return ret;
+ }
+ ret = command_dso_ctrl(usb->devhdl, dso_cmd_gen(sdi, 0, SR_CONF_TRIGGER_VALUE));
+ if (ret != SR_OK) {
+ sr_err("Set Trigger Value command failed!");
+ return ret;
+ }
+ }
+
+ if ((ret = command_start_acquisition (usb->devhdl,
+ devc->cur_samplerate, devc->sample_wide)) != SR_OK) {
+ abort_acquisition(devc);
+ return ret;
+ }
+
+ test_sample_value = 0;
+
+ /* setup callback function for data transfer */
+ lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
+ for (i = 0; lupfd[i]; i++);
+ if (!(devc->usbfd = g_try_malloc(sizeof(struct libusb_pollfd) * (i + 1))))
+ return SR_ERR;
+ for (i = 0; lupfd[i]; i++) {
+ sr_source_add(lupfd[i]->fd, lupfd[i]->events,
+ get_timeout(devc), receive_data, sdi);
+ devc->usbfd[i] = lupfd[i]->fd;
+ }
+ devc->usbfd[i] = -1;
+ free(lupfd);
+
+ /* poll trigger status transfer*/
+ if (!(trigger_pos = g_try_malloc0(sizeof(struct ds_trigger_pos)))) {
+ sr_err("USB trigger_pos buffer malloc failed.");
+ return SR_ERR_MALLOC;
+ }
+ devc->transfers = g_try_malloc0(sizeof(*devc->transfers));
+ if (!devc->transfers) {
+ sr_err("USB trigger_pos transfer malloc failed.");
+ return SR_ERR_MALLOC;
+ }
+ devc->num_transfers = 1;
+ transfer = libusb_alloc_transfer(0);
+ libusb_fill_bulk_transfer(transfer, usb->devhdl,
+ 6 | LIBUSB_ENDPOINT_IN, trigger_pos, sizeof(struct ds_trigger_pos),
+ receive_trigger_pos, devc, 0);
+ if ((ret = libusb_submit_transfer(transfer)) != 0) {
+ sr_err("Failed to submit trigger_pos transfer: %s.",
+ libusb_error_name(ret));
+ libusb_free_transfer(transfer);
+ g_free(trigger_pos);
+ abort_acquisition(devc);
+ return SR_ERR;
+ }
+ devc->transfers[0] = transfer;
+ devc->submitted_transfers++;
+
+ devc->status = DSLOGIC_START;
+ /* Send header packet to the session bus. */
+ //std_session_send_df_header(cb_data, LOG_PREFIX);
+ 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;
+
+ struct dev_context *devc;
+
+ devc = sdi->priv;
+ devc->status = DSLOGIC_STOP;
+
+ sr_info("%s: Stopping", __func__);
+ //abort_acquisition(sdi->priv);
+
+ return SR_OK;
+}
+
+static int dev_test(struct sr_dev_inst *sdi)
+{
+ if (sdi) {
+ struct sr_usb_dev_inst *usb;
+ struct version_info vi;
+ int ret;
+
+ usb = sdi->conn;
+ ret = command_get_fw_version(usb->devhdl, &vi);
+ if (ret != SR_OK) {
+ sr_err("Device don't exist!");
+ return SR_ERR;
+ } else {
+ return SR_OK;
+ }
+ } else {
+ return SR_ERR;
+ }
+}
+
+SR_PRIV struct sr_dev_driver DSLogic_driver_info = {
+ .name = "DSLogic",
+ .longname = "DSLogic (generic driver for DSLogic LA)",
+ .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_test = dev_test,
+ .dev_acquisition_start = dev_acquisition_start,
+ .dev_acquisition_stop = dev_acquisition_stop,
+ .priv = NULL,
+};
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