+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2013 Marc Schink <sigrok-dev@marcschink.de>
- *
- * 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"
-
-extern struct sr_dev_driver ikalogic_scanalogic2_driver_info;
-static struct sr_dev_driver *di = &ikalogic_scanalogic2_driver_info;
-
-extern uint64_t sl2_samplerates[NUM_SAMPLERATES];
-
-static void stop_acquisition(struct sr_dev_inst *sdi)
-{
- struct drv_context *drvc = sdi->driver->priv;
- struct dev_context *devc;
- struct sr_datafeed_packet packet;
-
- devc = sdi->priv;
-
- /* Remove USB file descriptors from polling. */
- usb_source_remove(sdi->session, drvc->sr_ctx);
-
- packet.type = SR_DF_END;
- sr_session_send(devc->cb_data, &packet);
-
- sdi->status = SR_ST_ACTIVE;
-}
-
-static void abort_acquisition(struct sr_dev_inst *sdi)
-{
- struct drv_context *drvc = sdi->driver->priv;
- struct dev_context *devc;
- struct sr_datafeed_packet packet;
-
- devc = sdi->priv;
-
- /* Remove USB file descriptors from polling. */
- usb_source_remove(sdi->session, drvc->sr_ctx);
-
- packet.type = SR_DF_END;
- sr_session_send(devc->cb_data, &packet);
-
- sdi->driver->dev_close(sdi);
-}
-
-static void buffer_sample_data(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- unsigned int offset, packet_length;
-
- devc = sdi->priv;
-
- if (devc->channels[devc->channel]->enabled) {
- offset = devc->sample_packet * PACKET_NUM_SAMPLE_BYTES;
-
- /*
- * Determine the packet length to ensure that the last packet
- * will not exceed the buffer size.
- */
- packet_length = MIN(PACKET_NUM_SAMPLE_BYTES,
- MAX_DEV_SAMPLE_BYTES - offset);
-
- /*
- * Skip the first 4 bytes of the source buffer because they
- * contain channel and packet information only.
- */
- memcpy(devc->sample_buffer[devc->channel] + offset,
- devc->xfer_data_in + 4, packet_length);
- }
-}
-
-static void process_sample_data(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct sr_datafeed_packet packet;
- struct sr_datafeed_logic logic;
- uint8_t i, j, tmp, buffer[PACKET_NUM_SAMPLES], *ptr[NUM_CHANNELS];
- uint16_t offset, n = 0;
- int8_t k;
-
- devc = sdi->priv;
- offset = devc->sample_packet * PACKET_NUM_SAMPLE_BYTES;
-
- /*
- * Array of pointers to the sample data of all channels up to the last
- * enabled one for an uniform access to them. Note that the currently
- * received samples always belong to the last enabled channel.
- */
- for (i = 0; i < devc->num_enabled_channels - 1; i++)
- ptr[i] = devc->sample_buffer[devc->channel_map[i]] + offset;
-
- /*
- * Skip the first 4 bytes of the buffer because they contain channel
- * and packet information only.
- */
- ptr[i] = devc->xfer_data_in + 4;
-
- for (i = 0; i < PACKET_NUM_SAMPLE_BYTES; i++) {
- /* Stop processing if all requested samples are processed. */
- if (devc->samples_processed == devc->limit_samples)
- break;
-
- k = 7;
-
- if (devc->samples_processed == 0) {
- /*
- * Adjust the position of the first sample to be
- * processed because possibly more samples than
- * necessary might have been acquired. This is because
- * the number of acquired samples is always rounded up
- * to a multiple of 8.
- */
- k = k - (devc->pre_trigger_bytes * 8) +
- devc->pre_trigger_samples;
-
- sr_dbg("Start processing at sample: %d.", 7 - k);
-
- /*
- * Send the trigger before the first sample is
- * processed if no pre trigger samples were calculated
- * through the capture ratio.
- */
- if (devc->trigger_type != TRIGGER_TYPE_NONE &&
- devc->pre_trigger_samples == 0) {
- packet.type = SR_DF_TRIGGER;
- sr_session_send(devc->cb_data, &packet);
- }
- }
-
- for (; k >= 0; k--) {
- /*
- * Stop processing if all requested samples are
- * processed.
- */
- if (devc->samples_processed == devc->limit_samples)
- break;
-
- buffer[n] = 0;
-
- /*
- * Extract the current sample for each enabled channel
- * and store them in the buffer.
- */
- for (j = 0; j < devc->num_enabled_channels; j++) {
- tmp = (ptr[j][i] & (1 << k)) >> k;
- buffer[n] |= tmp << devc->channel_map[j];
- }
-
- n++;
- devc->samples_processed++;
-
- /*
- * Send all processed samples and the trigger if the
- * number of processed samples reaches the calculated
- * number of pre trigger samples.
- */
- if (devc->samples_processed == devc->pre_trigger_samples &&
- devc->trigger_type != TRIGGER_TYPE_NONE) {
- packet.type = SR_DF_LOGIC;
- packet.payload = &logic;
- logic.length = n;
- logic.unitsize = 1;
- logic.data = buffer;
- sr_session_send(devc->cb_data, &packet);
-
- packet.type = SR_DF_TRIGGER;
- sr_session_send(devc->cb_data, &packet);
-
- n = 0;
- }
- }
- }
-
- if (n > 0) {
- packet.type = SR_DF_LOGIC;
- packet.payload = &logic;
- logic.length = n;
- logic.unitsize = 1;
- logic.data = buffer;
- sr_session_send(devc->cb_data, &packet);
- }
-}
-
-SR_PRIV int ikalogic_scanalogic2_receive_data(int fd, int revents, void *cb_data)
-{
- struct sr_dev_inst *sdi;
- struct dev_context *devc;
- struct drv_context *drvc;
- struct timeval tv;
- int64_t current_time, time_elapsed;
- int ret = 0;
-
- (void)fd;
- (void)revents;
-
- if (!(sdi = cb_data))
- return TRUE;
-
- if (!(devc = sdi->priv))
- return TRUE;
-
- drvc = di->priv;
- current_time = g_get_monotonic_time();
-
- if (devc->state == STATE_WAIT_DATA_READY &&
- !devc->wait_data_ready_locked) {
- time_elapsed = current_time - devc->wait_data_ready_time;
-
- /*
- * Check here for stopping in addition to the transfer
- * callback functions to avoid waiting until the
- * WAIT_DATA_READY_INTERVAL has expired.
- */
- if (sdi->status == SR_ST_STOPPING) {
- if (!devc->stopping_in_progress) {
- devc->next_state = STATE_RESET_AND_IDLE;
- devc->stopping_in_progress = TRUE;
- ret = libusb_submit_transfer(devc->xfer_in);
- }
- } else if (time_elapsed >= WAIT_DATA_READY_INTERVAL) {
- devc->wait_data_ready_locked = TRUE;
- ret = libusb_submit_transfer(devc->xfer_in);
- }
- }
-
- if (ret != 0) {
- sr_err("Submit transfer failed: %s.", libusb_error_name(ret));
- abort_acquisition(sdi);
- return TRUE;
- }
-
- tv.tv_sec = 0;
- tv.tv_usec = 0;
-
- libusb_handle_events_timeout_completed(drvc->sr_ctx->libusb_ctx, &tv,
- NULL);
-
- /* Check if an error occurred on a transfer. */
- if (devc->transfer_error)
- abort_acquisition(sdi);
-
- return TRUE;
-}
-
-SR_PRIV void sl2_receive_transfer_in( struct libusb_transfer *transfer)
-{
- struct sr_dev_inst *sdi;
- struct dev_context *devc;
- uint8_t last_channel;
- int ret = 0;
-
- sdi = transfer->user_data;
- devc = sdi->priv;
-
- if (transfer->status != LIBUSB_TRANSFER_COMPLETED) {
- sr_err("Transfer to device failed: %i.", transfer->status);
- devc->transfer_error = TRUE;
- return;
- }
-
- if (sdi->status == SR_ST_STOPPING && !devc->stopping_in_progress) {
- devc->next_state = STATE_RESET_AND_IDLE;
- devc->stopping_in_progress = TRUE;
-
- if (libusb_submit_transfer(devc->xfer_in) != 0) {
- sr_err("Submit transfer failed: %s.",
- libusb_error_name(ret));
- devc->transfer_error = TRUE;
- }
-
- return;
- }
-
- if (devc->state != devc->next_state)
- sr_spew("State changed from %i to %i.",
- devc->state, devc->next_state);
- devc->state = devc->next_state;
-
- if (devc->state == STATE_WAIT_DATA_READY) {
- /* Check if the received data are a valid device status. */
- if (devc->xfer_data_in[0] == 0x05) {
- if (devc->xfer_data_in[1] == STATUS_WAITING_FOR_TRIGGER)
- sr_dbg("Waiting for trigger.");
- else if (devc->xfer_data_in[1] == STATUS_SAMPLING)
- sr_dbg("Sampling in progress.");
- }
-
- /*
- * Check if the received data are a valid device status and the
- * sample data are ready.
- */
- if (devc->xfer_data_in[0] == 0x05 &&
- devc->xfer_data_in[1] == STATUS_DATA_READY) {
- devc->next_state = STATE_RECEIVE_DATA;
- ret = libusb_submit_transfer(transfer);
- } else {
- devc->wait_data_ready_locked = FALSE;
- devc->wait_data_ready_time = g_get_monotonic_time();
- }
- } else if (devc->state == STATE_RECEIVE_DATA) {
- last_channel = devc->channel_map[devc->num_enabled_channels - 1];
-
- if (devc->channel < last_channel) {
- buffer_sample_data(sdi);
- } else if (devc->channel == last_channel) {
- process_sample_data(sdi);
- } else {
- /*
- * Stop acquisition because all samples of enabled
- * channels are processed.
- */
- devc->next_state = STATE_RESET_AND_IDLE;
- }
-
- devc->sample_packet++;
- devc->sample_packet %= devc->num_sample_packets;
-
- if (devc->sample_packet == 0)
- devc->channel++;
-
- ret = libusb_submit_transfer(transfer);
- } else if (devc->state == STATE_RESET_AND_IDLE) {
- /* Check if the received data are a valid device status. */
- if (devc->xfer_data_in[0] == 0x05) {
- if (devc->xfer_data_in[1] == STATUS_DEVICE_READY) {
- devc->next_state = STATE_IDLE;
- devc->xfer_data_out[0] = CMD_IDLE;
- } else {
- devc->next_state = STATE_WAIT_DEVICE_READY;
- devc->xfer_data_out[0] = CMD_RESET;
- }
-
- ret = libusb_submit_transfer(devc->xfer_out);
- } else {
- /*
- * The received device status is invalid which
- * indicates that the device is not ready to accept
- * commands. Request a new device status until a valid
- * device status is received.
- */
- ret = libusb_submit_transfer(transfer);
- }
- } else if (devc->state == STATE_WAIT_DEVICE_READY) {
- /* Check if the received data are a valid device status. */
- if (devc->xfer_data_in[0] == 0x05) {
- if (devc->xfer_data_in[1] == STATUS_DEVICE_READY) {
- devc->next_state = STATE_IDLE;
- devc->xfer_data_out[0] = CMD_IDLE;
- } else {
- /*
- * The received device status is valid but the
- * device is not ready. Probably the device did
- * not recognize the last reset. Reset the
- * device again.
- */
- devc->xfer_data_out[0] = CMD_RESET;
- }
-
- ret = libusb_submit_transfer(devc->xfer_out);
- } else {
- /*
- * The device is not ready and therefore not able to
- * change to the idle state. Request a new device
- * status until the device is ready.
- */
- ret = libusb_submit_transfer(transfer);
- }
- }
-
- if (ret != 0) {
- sr_err("Submit transfer failed: %s.", libusb_error_name(ret));
- devc->transfer_error = TRUE;
- }
-}
-
-SR_PRIV void sl2_receive_transfer_out( struct libusb_transfer *transfer)
-{
- struct sr_dev_inst *sdi;
- struct dev_context *devc;
- int ret = 0;
-
- sdi = transfer->user_data;
- devc = sdi->priv;
-
- if (transfer->status != LIBUSB_TRANSFER_COMPLETED) {
- sr_err("Transfer to device failed: %i.", transfer->status);
- devc->transfer_error = TRUE;
- return;
- }
-
- if (sdi->status == SR_ST_STOPPING && !devc->stopping_in_progress) {
- devc->next_state = STATE_RESET_AND_IDLE;
- devc->stopping_in_progress = TRUE;
-
- if (libusb_submit_transfer(devc->xfer_in) != 0) {
- sr_err("Submit transfer failed: %s.",
- libusb_error_name(ret));
-
- devc->transfer_error = TRUE;
- }
-
- return;
- }
-
- if (devc->state != devc->next_state)
- sr_spew("State changed from %i to %i.",
- devc->state, devc->next_state);
- devc->state = devc->next_state;
-
- if (devc->state == STATE_IDLE) {
- stop_acquisition(sdi);
- } else if (devc->state == STATE_SAMPLE) {
- devc->next_state = STATE_WAIT_DATA_READY;
- ret = libusb_submit_transfer(devc->xfer_in);
- } else if (devc->state == STATE_WAIT_DEVICE_READY) {
- ret = libusb_submit_transfer(devc->xfer_in);
- }
-
- if (ret != 0) {
- sr_err("Submit transfer failed: %s.", libusb_error_name(ret));
- devc->transfer_error = TRUE;
- }
-}
-
-SR_PRIV int sl2_set_samplerate(const struct sr_dev_inst *sdi,
- uint64_t samplerate)
-{
- struct dev_context *devc;
- unsigned int i;
-
- devc = sdi->priv;
-
- for (i = 0; i < NUM_SAMPLERATES; i++) {
- if (sl2_samplerates[i] == samplerate) {
- devc->samplerate = samplerate;
- devc->samplerate_id = NUM_SAMPLERATES - i - 1;
- return SR_OK;
- }
- }
-
- return SR_ERR_ARG;
-}
-
-SR_PRIV int sl2_set_limit_samples(const struct sr_dev_inst *sdi,
- uint64_t limit_samples)
-{
- struct dev_context *devc;
-
- devc = sdi->priv;
-
- if (limit_samples == 0) {
- sr_err("Invalid number of limit samples: %" PRIu64 ".",
- limit_samples);
- return SR_ERR_ARG;
- }
-
- if (limit_samples > MAX_SAMPLES)
- limit_samples = MAX_SAMPLES;
-
- sr_dbg("Limit samples set to %" PRIu64 ".", limit_samples);
-
- devc->limit_samples = limit_samples;
-
- return SR_OK;
-}
-
-SR_PRIV int sl2_convert_trigger(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct sr_trigger *trigger;
- struct sr_trigger_stage *stage;
- struct sr_trigger_match *match;
- const GSList *l, *m;
- int num_triggers_anyedge;
-
- devc = sdi->priv;
-
- /* Disable the trigger by default. */
- devc->trigger_channel = TRIGGER_CHANNEL_0;
- devc->trigger_type = TRIGGER_TYPE_NONE;
-
- if (!(trigger = sr_session_trigger_get(sdi->session)))
- return SR_OK;
-
- if (g_slist_length(trigger->stages) > 1) {
- sr_err("This device only supports 1 trigger stage.");
- return SR_ERR;
- }
-
- num_triggers_anyedge = 0;
- for (l = trigger->stages; l; l = l->next) {
- stage = l->data;
- for (m = stage->matches; m; m = m->next) {
- match = m->data;
- if (!match->channel->enabled)
- /* Ignore disabled channels with a trigger. */
- continue;
- devc->trigger_channel = match->channel->index + 1;
- switch (match->match) {
- case SR_TRIGGER_RISING:
- devc->trigger_type = TRIGGER_TYPE_POSEDGE;
- break;
- case SR_TRIGGER_FALLING:
- devc->trigger_type = TRIGGER_TYPE_NEGEDGE;
- break;
- case SR_TRIGGER_EDGE:
- devc->trigger_type = TRIGGER_TYPE_ANYEDGE;
- num_triggers_anyedge++;
- break;
- }
- }
- }
-
- /*
- * Set trigger to any edge on all channels if the trigger for each
- * channel is set to any edge.
- */
- if (num_triggers_anyedge == NUM_CHANNELS) {
- devc->trigger_channel = TRIGGER_CHANNEL_ALL;
- devc->trigger_type = TRIGGER_TYPE_ANYEDGE;
- }
-
- sr_dbg("Trigger set to channel 0x%02x and type 0x%02x.",
- devc->trigger_channel, devc->trigger_type);
-
- return SR_OK;
-}
-
-SR_PRIV int sl2_set_capture_ratio(const struct sr_dev_inst *sdi,
- uint64_t capture_ratio)
-{
- struct dev_context *devc;
-
- devc = sdi->priv;
-
- if (capture_ratio > 100) {
- sr_err("Invalid capture ratio: %" PRIu64 " %%.", capture_ratio);
- return SR_ERR_ARG;
- }
-
- sr_info("Capture ratio set to %" PRIu64 " %%.", capture_ratio);
-
- devc->capture_ratio = capture_ratio;
-
- return SR_OK;
-}
-
-SR_PRIV int sl2_set_after_trigger_delay(const struct sr_dev_inst *sdi,
- uint64_t after_trigger_delay)
-{
- struct dev_context *devc;
-
- devc = sdi->priv;
-
- if (after_trigger_delay > MAX_AFTER_TRIGGER_DELAY) {
- sr_err("Invalid after trigger delay: %" PRIu64 " ms.",
- after_trigger_delay);
- return SR_ERR_ARG;
- }
-
- sr_info("After trigger delay set to %" PRIu64 " ms.",
- after_trigger_delay);
-
- devc->after_trigger_delay = after_trigger_delay;
-
- return SR_OK;
-}
-
-SR_PRIV void sl2_calculate_trigger_samples(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- uint64_t pre_trigger_samples, post_trigger_samples;
- uint16_t pre_trigger_bytes, post_trigger_bytes;
- uint8_t cr;
-
- devc = sdi->priv;
- cr = devc->capture_ratio;
-
- /* Ignore the capture ratio if no trigger is enabled. */
- if (devc->trigger_type == TRIGGER_TYPE_NONE)
- cr = 0;
-
- pre_trigger_samples = (devc->limit_samples * cr) / 100;
- post_trigger_samples = (devc->limit_samples * (100 - cr)) / 100;
-
- /*
- * Increase the number of post trigger samples by one to compensate the
- * possible loss of a sample through integer rounding.
- */
- if (pre_trigger_samples + post_trigger_samples != devc->limit_samples)
- post_trigger_samples++;
-
- /*
- * The device requires the number of samples in multiples of 8 which
- * will also be called sample bytes in the following.
- */
- pre_trigger_bytes = pre_trigger_samples / 8;
- post_trigger_bytes = post_trigger_samples / 8;
-
- /*
- * Round up the number of sample bytes to ensure that at least the
- * requested number of samples will be acquired. Note that due to this
- * rounding the buffer to store these sample bytes needs to be at least
- * one sample byte larger than the minimal number of sample bytes
- * needed to store the requested samples.
- */
- if (pre_trigger_samples % 8 != 0)
- pre_trigger_bytes++;
-
- if (post_trigger_samples % 8 != 0)
- post_trigger_bytes++;
-
- sr_info("Pre trigger samples: %" PRIu64 ".", pre_trigger_samples);
- sr_info("Post trigger samples: %" PRIu64 ".", post_trigger_samples);
- sr_dbg("Pre trigger sample bytes: %" PRIu16 ".", pre_trigger_bytes);
- sr_dbg("Post trigger sample bytes: %" PRIu16 ".", post_trigger_bytes);
-
- devc->pre_trigger_samples = pre_trigger_samples;
- devc->pre_trigger_bytes = pre_trigger_bytes;
- devc->post_trigger_bytes = post_trigger_bytes;
-}
-
-SR_PRIV int sl2_get_device_info(struct sr_usb_dev_inst usb,
- struct device_info *dev_info)
-{
- struct drv_context *drvc;
- uint8_t buffer[PACKET_LENGTH];
- int ret;
-
- drvc = di->priv;
-
- if (!dev_info)
- return SR_ERR_ARG;
-
- if (sr_usb_open(drvc->sr_ctx->libusb_ctx, &usb) != SR_OK)
- return SR_ERR;
-
- /*
- * Determine if a kernel driver is active on this interface and, if so,
- * detach it.
- */
- if (libusb_kernel_driver_active(usb.devhdl, USB_INTERFACE) == 1) {
- ret = libusb_detach_kernel_driver(usb.devhdl,
- USB_INTERFACE);
-
- if (ret < 0) {
- sr_err("Failed to detach kernel driver: %s.",
- libusb_error_name(ret));
- libusb_close(usb.devhdl);
- return SR_ERR;
- }
- }
-
- ret = libusb_claim_interface(usb.devhdl, USB_INTERFACE);
-
- if (ret) {
- sr_err("Failed to claim interface: %s.",
- libusb_error_name(ret));
- libusb_close(usb.devhdl);
- return SR_ERR;
- }
-
- memset(buffer, 0, sizeof(buffer));
-
- /*
- * Reset the device to ensure it is in a proper state to request the
- * device information.
- */
- buffer[0] = CMD_RESET;
- if ((ret = sl2_transfer_out(usb.devhdl, buffer)) != PACKET_LENGTH) {
- sr_err("Resetting of device failed: %s.",
- libusb_error_name(ret));
- libusb_release_interface(usb.devhdl, USB_INTERFACE);
- libusb_close(usb.devhdl);
- return SR_ERR;
- }
-
- buffer[0] = CMD_INFO;
- if ((ret = sl2_transfer_out(usb.devhdl, buffer)) != PACKET_LENGTH) {
- sr_err("Requesting of device information failed: %s.",
- libusb_error_name(ret));
- libusb_release_interface(usb.devhdl, USB_INTERFACE);
- libusb_close(usb.devhdl);
- return SR_ERR;
- }
-
- if ((ret = sl2_transfer_in(usb.devhdl, buffer)) != PACKET_LENGTH) {
- sr_err("Receiving of device information failed: %s.",
- libusb_error_name(ret));
- libusb_release_interface(usb.devhdl, USB_INTERFACE);
- libusb_close(usb.devhdl);
- return SR_ERR;
- }
-
- memcpy(&(dev_info->serial), buffer + 1, sizeof(uint32_t));
- dev_info->serial = GUINT32_FROM_LE(dev_info->serial);
-
- dev_info->fw_ver_major = buffer[5];
- dev_info->fw_ver_minor = buffer[6];
-
- buffer[0] = CMD_RESET;
- if ((ret = sl2_transfer_out(usb.devhdl, buffer)) != PACKET_LENGTH) {
- sr_err("Device reset failed: %s.", libusb_error_name(ret));
- libusb_release_interface(usb.devhdl, USB_INTERFACE);
- libusb_close(usb.devhdl);
- return SR_ERR;
- }
-
- /*
- * Set the device to idle state. If the device is not in idle state it
- * possibly will reset itself after a few seconds without being used
- * and thereby close the connection.
- */
- buffer[0] = CMD_IDLE;
- if ((ret = sl2_transfer_out(usb.devhdl, buffer)) != PACKET_LENGTH) {
- sr_err("Failed to set device in idle state: %s.",
- libusb_error_name(ret));
- libusb_release_interface(usb.devhdl, USB_INTERFACE);
- libusb_close(usb.devhdl);
- return SR_ERR;
- }
-
- ret = libusb_release_interface(usb.devhdl, USB_INTERFACE);
-
- if (ret < 0) {
- sr_err("Failed to release interface: %s.",
- libusb_error_name(ret));
- libusb_close(usb.devhdl);
- return SR_ERR;
- }
-
- libusb_close(usb.devhdl);
-
- return SR_OK;
-}
-
-SR_PRIV int sl2_transfer_in(libusb_device_handle *dev_handle, uint8_t *data)
-{
- return libusb_control_transfer(dev_handle, USB_REQUEST_TYPE_IN,
- USB_HID_GET_REPORT, USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
- (unsigned char *)data, PACKET_LENGTH, USB_TIMEOUT);
-}
-
-SR_PRIV int sl2_transfer_out(libusb_device_handle *dev_handle, uint8_t *data)
-{
- return libusb_control_transfer(dev_handle, USB_REQUEST_TYPE_OUT,
- USB_HID_SET_REPORT, USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
- (unsigned char *)data, PACKET_LENGTH, USB_TIMEOUT);
-}
projects / libsigrok.git / blobdiff