+++ /dev/null
-/*
- * This file is part of the sigrok project.
- *
- * Copyright (C) 2012 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 <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/time.h>
-#include <inttypes.h>
-#include <arpa/inet.h>
-#include <glib.h>
-#include <libusb.h>
-#include "sigrok.h"
-#include "sigrok-internal.h"
-#include "config.h"
-#include "dso.h"
-
-/* FIXME: Temporary build fix, this will be removed later. */
-#define GTV_TO_MSEC(gtv) (gtv.tv_sec * 1000 + gtv.tv_usec / 1000)
-
-/* Max time in ms before we want to check on events */
-#define TICK 1
-
-static int capabilities[] = {
- SR_HWCAP_OSCILLOSCOPE,
- SR_HWCAP_LIMIT_SAMPLES,
- SR_HWCAP_CONTINUOUS,
- SR_HWCAP_TIMEBASE,
- SR_HWCAP_BUFFERSIZE,
- SR_HWCAP_TRIGGER_SOURCE,
- SR_HWCAP_TRIGGER_SLOPE,
- SR_HWCAP_HORIZ_TRIGGERPOS,
- SR_HWCAP_FILTER,
- SR_HWCAP_VDIV,
- SR_HWCAP_COUPLING,
- 0,
-};
-
-static const char *probe_names[] = {
- "CH1",
- "CH2",
- NULL,
-};
-
-static struct dso_profile dev_profiles[] = {
- { 0x04b4, 0x2090,
- 0x04b5, 0x2090,
- "Hantek", "DSO-2090",
- NULL, 2,
- FIRMWARE_DIR "/hantek-dso-2090.fw" },
- { 0, 0, 0, 0, 0, 0, 0, 0, 0 }
-};
-
-static uint64_t buffersizes[] = {
- 10240,
- 32768,
- /* TODO: 65535 */
- 0
-};
-
-static struct sr_rational timebases[] = {
- /* microseconds */
- { 10, 1000000 },
- { 20, 1000000 },
- { 40, 1000000 },
- { 100, 1000000 },
- { 200, 1000000 },
- { 400, 1000000 },
- /* milliseconds */
- { 1, 1000 },
- { 2, 1000 },
- { 4, 1000 },
- { 10, 1000 },
- { 20, 1000 },
- { 40, 1000 },
- { 100, 1000 },
- { 200, 1000 },
- { 400, 1000 },
- {0,0}
-};
-
-static struct sr_rational vdivs[] = {
- /* millivolts */
- { 10, 1000 },
- { 20, 1000 },
- { 50, 1000 },
- { 100, 1000 },
- { 200, 1000 },
- { 500, 1000 },
- /* volts */
- { 1, 1 },
- { 2, 1 },
- { 5, 1 },
- {0,0}
-};
-
-static char *trigger_sources[] = {
- "CH1",
- "CH2",
- "EXT",
- NULL
-};
-
-static char *filter_targets[] = {
- "CH1",
- "CH2",
- /* TODO: "TRIGGER", */
- NULL
-};
-
-static char *coupling[] = {
- "AC",
- "DC",
- "GND",
- NULL
-};
-
-SR_PRIV libusb_context *usb_context = NULL;
-SR_PRIV GSList *dev_insts = NULL;
-
-
-static struct sr_dev_inst *dso_dev_new(int index, struct dso_profile *prof)
-{
- struct sr_dev_inst *sdi;
- struct context *ctx;
-
- sdi = sr_dev_inst_new(index, SR_ST_INITIALIZING,
- prof->vendor, prof->model, prof->model_version);
- if (!sdi)
- return NULL;
-
- if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
- sr_err("hantek-dso: ctx malloc failed");
- return NULL;
- }
- ctx->profile = prof;
- ctx->dev_state = IDLE;
- ctx->timebase = DEFAULT_TIMEBASE;
- ctx->ch1_enabled = TRUE;
- ctx->ch2_enabled = TRUE;
- ctx->voltage_ch1 = DEFAULT_VOLTAGE;
- ctx->voltage_ch2 = DEFAULT_VOLTAGE;
- ctx->coupling_ch1 = DEFAULT_COUPLING;
- ctx->coupling_ch2 = DEFAULT_COUPLING;
- ctx->voffset_ch1 = DEFAULT_VERT_OFFSET;
- ctx->voffset_ch2 = DEFAULT_VERT_OFFSET;
- ctx->voffset_trigger = DEFAULT_VERT_TRIGGERPOS;
- ctx->framesize = DEFAULT_FRAMESIZE;
- ctx->triggerslope = SLOPE_POSITIVE;
- ctx->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE);
- ctx->triggerposition = DEFAULT_HORIZ_TRIGGERPOS;
- sdi->priv = ctx;
- dev_insts = g_slist_append(dev_insts, sdi);
-
- return sdi;
-}
-
-static int configure_probes(struct context *ctx, GSList *probes)
-{
- struct sr_probe *probe;
- GSList *l;
-
- ctx->ch1_enabled = ctx->ch2_enabled = FALSE;
- for (l = probes; l; l = l->next) {
- probe = (struct sr_probe *)l->data;
- if (probe->index == 1)
- ctx->ch1_enabled = probe->enabled;
- else if (probe->index == 2)
- ctx->ch2_enabled = probe->enabled;
- }
-
- return SR_OK;
-}
-
-static int hw_init(const char *devinfo)
-{
- struct sr_dev_inst *sdi;
- struct libusb_device_descriptor des;
- struct dso_profile *prof;
- struct context *ctx;
- libusb_device **devlist;
- int err, devcnt, i, j;
-
- /* Avoid compiler warnings. */
- (void)devinfo;
-
- if (libusb_init(&usb_context) != 0) {
- sr_err("hantek-dso: Failed to initialize USB.");
- return 0;
- }
-
- /* Find all Hantek DSO devices and upload firmware to all of them. */
- devcnt = 0;
- libusb_get_device_list(usb_context, &devlist);
- for (i = 0; devlist[i]; i++) {
- if ((err = libusb_get_device_descriptor(devlist[i], &des))) {
- sr_err("hantek-dso: failed to get device descriptor: %d", err);
- continue;
- }
-
- prof = NULL;
- for (j = 0; dev_profiles[j].orig_vid; j++) {
- if (des.idVendor == dev_profiles[j].orig_vid
- && des.idProduct == dev_profiles[j].orig_pid) {
- /* Device matches the pre-firmware profile. */
- prof = &dev_profiles[j];
- sr_dbg("hantek-dso: Found a %s %s.", prof->vendor, prof->model);
- sdi = dso_dev_new(devcnt, prof);
- ctx = sdi->priv;
- if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION,
- prof->firmware) == SR_OK)
- /* Remember when the firmware on this device was updated */
- g_get_current_time(&ctx->fw_updated);
- else
- sr_err("hantek-dso: firmware upload failed for "
- "device %d", devcnt);
- /* Dummy USB address of 0xff will get overwritten later. */
- ctx->usb = sr_usb_dev_inst_new(
- libusb_get_bus_number(devlist[i]), 0xff, NULL);
- devcnt++;
- break;
- } else if (des.idVendor == dev_profiles[j].fw_vid
- && des.idProduct == dev_profiles[j].fw_pid) {
- /* Device matches the post-firmware profile. */
- prof = &dev_profiles[j];
- sr_dbg("hantek-dso: Found a %s %s.", prof->vendor, prof->model);
- sdi = dso_dev_new(devcnt, prof);
- sdi->status = SR_ST_INACTIVE;
- ctx = sdi->priv;
- ctx->usb = sr_usb_dev_inst_new(
- libusb_get_bus_number(devlist[i]),
- libusb_get_device_address(devlist[i]), NULL);
- devcnt++;
- break;
- }
- }
- if (!prof)
- /* not a supported VID/PID */
- continue;
- }
- libusb_free_device_list(devlist, 1);
-
- return devcnt;
-}
-
-static int hw_dev_open(int dev_index)
-{
- GTimeVal cur_time;
- struct sr_dev_inst *sdi;
- struct context *ctx;
- int timediff, err;
-
- if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
- return SR_ERR_ARG;
- ctx = sdi->priv;
-
- /*
- * if the firmware was recently uploaded, wait up to MAX_RENUM_DELAY ms
- * for the FX2 to renumerate
- */
- err = 0;
- if (GTV_TO_MSEC(ctx->fw_updated) > 0) {
- sr_info("hantek-dso: waiting for device to reset");
- /* takes at least 300ms for the FX2 to be gone from the USB bus */
- g_usleep(300 * 1000);
- timediff = 0;
- while (timediff < MAX_RENUM_DELAY) {
- if ((err = dso_open(dev_index)) == SR_OK)
- break;
- g_usleep(100 * 1000);
- g_get_current_time(&cur_time);
- timediff = GTV_TO_MSEC(cur_time) - GTV_TO_MSEC(ctx->fw_updated);
- }
- sr_info("hantek-dso: device came back after %d ms", timediff);
- } else {
- err = dso_open(dev_index);
- }
-
- if (err != SR_OK) {
- sr_err("hantek-dso: unable to open device");
- return SR_ERR;
- }
-
- err = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE);
- if (err != 0) {
- sr_err("hantek-dso: Unable to claim interface: %d", err);
- return SR_ERR;
- }
-
- return SR_OK;
-}
-
-static int hw_dev_close(int dev_index)
-{
- struct sr_dev_inst *sdi;
-
- if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
- return SR_ERR_ARG;
-
- dso_close(sdi);
-
- return SR_OK;
-}
-
-static int hw_cleanup(void)
-{
- GSList *l;
- struct sr_dev_inst *sdi;
- struct context *ctx;
-
- /* Properly close and free all devices. */
- for (l = dev_insts; l; l = l->next) {
- if (!(sdi = l->data)) {
- /* Log error, but continue cleaning up the rest. */
- sr_err("hantek-dso: %s: sdi was NULL, continuing", __func__);
- continue;
- }
- if (!(ctx = sdi->priv)) {
- /* Log error, but continue cleaning up the rest. */
- sr_err("hantek-dso: %s: sdi->priv was NULL, continuing", __func__);
- continue;
- }
- dso_close(sdi);
- sr_usb_dev_inst_free(ctx->usb);
- g_free(ctx->triggersource);
-
- sr_dev_inst_free(sdi);
- }
-
- g_slist_free(dev_insts);
- dev_insts = NULL;
-
- if (usb_context)
- libusb_exit(usb_context);
- usb_context = NULL;
-
- return SR_OK;
-}
-
-static void *hw_get_device_info(int dev_index, int dev_info_id)
-{
- struct sr_dev_inst *sdi;
- struct context *ctx;
- void *info;
- uint64_t tmp;
-
- if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
- return NULL;
- ctx = sdi->priv;
-
- info = NULL;
- switch (dev_info_id) {
- case SR_DI_INST:
- info = sdi;
- break;
- case SR_DI_NUM_PROBES:
- info = GINT_TO_POINTER(ctx->profile->num_probes);
- break;
- case SR_DI_PROBE_NAMES:
- info = probe_names;
- break;
- case SR_DI_BUFFERSIZES:
- info = buffersizes;
- break;
- case SR_DI_TIMEBASES:
- info = timebases;
- break;
- case SR_DI_TRIGGER_SOURCES:
- info = trigger_sources;
- break;
- case SR_DI_FILTERS:
- info = filter_targets;
- break;
- case SR_DI_VDIVS:
- info = vdivs;
- break;
- case SR_DI_COUPLING:
- info = coupling;
- break;
- /* TODO remove this */
- case SR_DI_CUR_SAMPLERATE:
- info = &tmp;
- break;
- }
-
- return info;
-}
-
-static int hw_get_status(int device_index)
-{
- struct sr_dev_inst *sdi;
-
- if (!(sdi = sr_dev_inst_get(dev_insts, device_index)))
- return SR_ST_NOT_FOUND;
-
- return sdi->status;
-}
-
-static int *hwcap_get_all(void)
-{
-
- return capabilities;
-}
-
-static int hw_dev_config_set(int dev_index, int hwcap, void *value)
-{
- struct sr_dev_inst *sdi;
- struct context *ctx;
- struct sr_rational tmp_rat;
- float tmp_float;
- uint64_t tmp_u64;
- int ret, i;
- char **targets;
-
- if (!(sdi = sr_dev_inst_get(dev_insts, dev_index)))
- return SR_ERR;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
-
- ret = SR_OK;
- ctx = sdi->priv;
- switch (hwcap) {
- case SR_HWCAP_LIMIT_FRAMES:
- ctx->limit_frames = *(uint64_t *)value;
- break;
- case SR_HWCAP_PROBECONFIG:
- ret = configure_probes(ctx, (GSList *) value);
- break;
- case SR_HWCAP_TRIGGER_SLOPE:
- tmp_u64 = *(int *)value;
- if (tmp_u64 != SLOPE_NEGATIVE && tmp_u64 != SLOPE_POSITIVE)
- ret = SR_ERR_ARG;
- ctx->triggerslope = tmp_u64;
- break;
- case SR_HWCAP_HORIZ_TRIGGERPOS:
- tmp_float = *(float *)value;
- if (tmp_float < 0.0 || tmp_float > 1.0) {
- sr_err("hantek-dso: trigger position should be between 0.0 and 1.0");
- ret = SR_ERR_ARG;
- } else
- ctx->triggerposition = tmp_float;
- break;
- case SR_HWCAP_BUFFERSIZE:
- tmp_u64 = *(int *)value;
- for (i = 0; buffersizes[i]; i++) {
- if (buffersizes[i] == tmp_u64) {
- ctx->framesize = tmp_u64;
- break;
- }
- }
- if (buffersizes[i] == 0)
- ret = SR_ERR_ARG;
- break;
- case SR_HWCAP_TIMEBASE:
- tmp_rat = *(struct sr_rational *)value;
- for (i = 0; timebases[i].p && timebases[i].q; i++) {
- if (timebases[i].p == tmp_rat.p
- && timebases[i].q == tmp_rat.q) {
- ctx->timebase = i;
- break;
- }
- }
- if (timebases[i].p == 0 && timebases[i].q == 0)
- ret = SR_ERR_ARG;
- break;
- case SR_HWCAP_TRIGGER_SOURCE:
- for (i = 0; trigger_sources[i]; i++) {
- if (!strcmp(value, trigger_sources[i])) {
- ctx->triggersource = g_strdup(value);
- break;
- }
- }
- if (trigger_sources[i] == 0)
- ret = SR_ERR_ARG;
- break;
- case SR_HWCAP_FILTER:
- ctx->filter_ch1 = ctx->filter_ch2 = ctx->filter_trigger = 0;
- targets = g_strsplit(value, ",", 0);
- for (i = 0; targets[i]; i++) {
- if (targets[i] == '\0')
- /* Empty filter string can be used to clear them all. */
- ;
- else if (!strcmp(targets[i], "CH1"))
- ctx->filter_ch1 = TRUE;
- else if (!strcmp(targets[i], "CH2"))
- ctx->filter_ch2 = TRUE;
- else if (!strcmp(targets[i], "TRIGGER"))
- ctx->filter_trigger = TRUE;
- else {
- sr_err("invalid filter target %s", targets[i]);
- ret = SR_ERR_ARG;
- }
- }
- g_strfreev(targets);
- break;
- case SR_HWCAP_VDIV:
- /* TODO not supporting vdiv per channel yet */
- tmp_rat = *(struct sr_rational *)value;
- for (i = 0; vdivs[i].p && vdivs[i].q; i++) {
- if (vdivs[i].p == tmp_rat.p
- && vdivs[i].q == tmp_rat.q) {
- ctx->voltage_ch1 = i;
- ctx->voltage_ch2 = i;
- break;
- }
- }
- if (vdivs[i].p == 0 && vdivs[i].q == 0)
- ret = SR_ERR_ARG;
- break;
- case SR_HWCAP_COUPLING:
- /* TODO not supporting coupling per channel yet */
- for (i = 0; coupling[i]; i++) {
- if (!strcmp(value, coupling[i])) {
- ctx->coupling_ch1 = i;
- ctx->coupling_ch2 = i;
- break;
- }
- }
- if (coupling[i] == 0)
- ret = SR_ERR_ARG;
- break;
- default:
- ret = SR_ERR_ARG;
- }
-
- return ret;
-}
-
-/* Called by libusb (as triggered by handle_event()) when a transfer comes in.
- * Only channel data comes in asynchronously, and all transfers for this are
- * queued up beforehand, so this just needs so chuck the incoming data onto
- * the libsigrok session bus.
- */
-static void receive_transfer(struct libusb_transfer *transfer)
-{
- struct sr_datafeed_packet packet;
- struct sr_datafeed_analog analog;
- struct context *ctx;
- float ch1, ch2;
- int num_probes, data_offset, i;
-
- ctx = transfer->user_data;
- sr_dbg("hantek-dso: receive_transfer(): status %d received %d bytes",
- transfer->status, transfer->actual_length);
-
- if (transfer->actual_length == 0)
- /* Nothing to send to the bus. */
- return;
-
- ctx->current_transfer += transfer->actual_length;
- sr_dbg("hantek-dso: got %d of %d in frame", ctx->current_transfer, ctx->framesize * 2);
-
- num_probes = (ctx->ch1_enabled && ctx->ch2_enabled) ? 2 : 1;
- packet.type = SR_DF_ANALOG;
- packet.payload = &analog;
- /* TODO: support for 5xxx series 9-bit samples */
- analog.num_samples = transfer->actual_length / 2;
- analog.data = g_try_malloc(analog.num_samples * sizeof(float) * num_probes);
- data_offset = 0;
- for (i = 0; i < analog.num_samples; i++) {
- /* The device always sends data for both channels. If a channel
- * is disabled, it contains a copy of the enabled channel's
- * data. However, we only send the requested channels to the bus.
- */
- /* TODO: support for 5xxx series 9-bit samples */
- if (ctx->ch1_enabled) {
- ch1 = (*(transfer->buffer + i * 2 + 1) / 255.0);
- analog.data[data_offset++] = ch1;
- }
- if (ctx->ch2_enabled) {
- ch2 = (*(transfer->buffer + i * 2) / 255.0);
- analog.data[data_offset++] = ch2;
- }
- }
- g_free(transfer->buffer);
- libusb_free_transfer(transfer);
- sr_session_send(ctx->cb_data, &packet);
-
- if (ctx->current_transfer >= ctx->framesize * 2) {
- /* That's the last chunk in this frame. */
- packet.type = SR_DF_FRAME_END;
- sr_session_send(ctx->cb_data, &packet);
-
- if (ctx->limit_frames && ++ctx->num_frames == ctx->limit_frames) {
- /* Terminate session */
- /* TODO: don't leave pending USB transfers hanging */
- packet.type = SR_DF_END;
- sr_session_send(ctx->cb_data, &packet);
- } else {
- ctx->current_transfer = 0;
- ctx->dev_state = NEW_CAPTURE;
- }
- }
-
-}
-
-static int handle_event(int fd, int revents, void *cb_data)
-{
- struct sr_datafeed_packet packet;
- struct timeval tv;
- struct context *ctx;
- int capturestate;
-
- /* Avoid compiler warnings. */
- (void)fd;
- (void)revents;
-
- /* Always handle pending libusb events. */
- tv.tv_sec = tv.tv_usec = 0;
- libusb_handle_events_timeout(usb_context, &tv);
-
- ctx = cb_data;
- /* TODO: ugh */
- if (ctx->dev_state == NEW_CAPTURE) {
- if (dso_capture_start(ctx) != SR_OK)
- return TRUE;
- if (dso_enable_trigger(ctx) != SR_OK)
- return TRUE;
-// if (dso_force_trigger(ctx) != SR_OK)
-// return TRUE;
- sr_dbg("hantek-dso: successfully requested next chunk");
- ctx->dev_state = CAPTURE;
- return TRUE;
- }
- if (ctx->dev_state != CAPTURE)
- return TRUE;
-
- if ((capturestate = dso_get_capturestate(ctx)) == CAPTURE_UNKNOWN) {
- /* Generated by the function, not the hardware. */
- return TRUE;
- }
-
- sr_dbg("hantek-dso: capturestate %d", capturestate);
- switch (capturestate) {
- case CAPTURE_EMPTY:
- if (++ctx->capture_empty_count >= MAX_CAPTURE_EMPTY) {
- ctx->capture_empty_count = 0;
- if (dso_capture_start(ctx) != SR_OK)
- break;
- if (dso_enable_trigger(ctx) != SR_OK)
- break;
-// if (dso_force_trigger(ctx) != SR_OK)
-// break;
- sr_dbg("hantek-dso: successfully requested next chunk");
- }
- break;
- case CAPTURE_FILLING:
- /* no data yet */
- break;
- case CAPTURE_READY_8BIT:
- /* Tell the scope to send us the first frame. */
- if (dso_get_channeldata(ctx, receive_transfer) != SR_OK)
- break;
-
- /* Don't hit the state machine again until we're done fetching
- * the data we just told the scope to send.
- */
- ctx->dev_state = FETCH_DATA;
-
- /* Tell the frontend a new frame is on the way. */
- packet.type = SR_DF_FRAME_BEGIN;
- sr_session_send(cb_data, &packet);
- break;
- case CAPTURE_READY_9BIT:
- /* TODO */
- sr_err("not yet supported");
- break;
- case CAPTURE_TIMEOUT:
- /* Doesn't matter, we'll try again next time. */
- break;
- default:
- sr_dbg("unknown capture state");
- }
-
- return TRUE;
-}
-
-static int hw_start_acquisition(int device_index, void *cb_data)
-{
- const struct libusb_pollfd **lupfd;
- struct sr_datafeed_packet packet;
- struct sr_datafeed_header header;
- struct sr_datafeed_meta_analog meta;
- struct sr_dev_inst *sdi;
- struct context *ctx;
- int i;
-
- if (!(sdi = sr_dev_inst_get(dev_insts, device_index)))
- return SR_ERR;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
-
- ctx = sdi->priv;
- ctx->cb_data = cb_data;
-
- if (dso_init(ctx) != SR_OK)
- return SR_ERR;
-
- if (dso_capture_start(ctx) != SR_OK)
- return SR_ERR;
-
- ctx->dev_state = CAPTURE;
- lupfd = libusb_get_pollfds(usb_context);
- for (i = 0; lupfd[i]; i++)
- sr_source_add(lupfd[i]->fd, lupfd[i]->events, TICK, handle_event,
- ctx);
- free(lupfd);
-
- /* Send header packet to the session bus. */
- packet.type = SR_DF_HEADER;
- packet.payload = (unsigned char *)&header;
- header.feed_version = 1;
- gettimeofday(&header.starttime, NULL);
- sr_session_send(cb_data, &packet);
-
- /* Send metadata about the SR_DF_ANALOG packets to come. */
- packet.type = SR_DF_META_ANALOG;
- packet.payload = &meta;
- meta.num_probes = ctx->profile->num_probes;
- sr_session_send(cb_data, &packet);
-
- return SR_OK;
-}
-
-/* TODO: doesn't really cancel pending transfers so they might come in after
- * SR_DF_END is sent.
- */
-static int hw_stop_acquisition(int device_index, gpointer session_device_id)
-{
- struct sr_datafeed_packet packet;
- struct sr_dev_inst *sdi;
- struct context *ctx;
-
- if (!(sdi = sr_dev_inst_get(dev_insts, device_index)))
- return SR_ERR;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
-
- ctx = sdi->priv;
- ctx->dev_state = IDLE;
-
- packet.type = SR_DF_END;
- sr_session_send(session_device_id, &packet);
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver hantek_dso_plugin_info = {
- .name = "hantek-dso",
- .longname = "Hantek DSO",
- .api_version = 1,
- .init = hw_init,
- .cleanup = hw_cleanup,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .dev_info_get = hw_get_device_info,
- .dev_status_get = hw_get_status,
- .hwcap_get_all = hwcap_get_all,
- .dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_start_acquisition,
- .dev_acquisition_stop = hw_stop_acquisition,
-};