+++ /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"
-
-static const int hwcaps[] = {
- SR_CONF_LOGIC_ANALYZER,
- SR_CONF_SAMPLERATE,
- SR_CONF_LIMIT_SAMPLES,
- SR_CONF_TRIGGER_MATCH,
- SR_CONF_CAPTURE_RATIO,
-};
-
-static const int32_t trigger_matches[] = {
- SR_TRIGGER_RISING,
- SR_TRIGGER_FALLING,
- SR_TRIGGER_EDGE,
-};
-
-SR_PRIV const uint64_t sl2_samplerates[NUM_SAMPLERATES] = {
- SR_KHZ(1.25),
- SR_KHZ(10),
- SR_KHZ(50),
- SR_KHZ(100),
- SR_KHZ(250),
- SR_KHZ(500),
- SR_MHZ(1),
- SR_MHZ(2.5),
- SR_MHZ(5),
- SR_MHZ(10),
- SR_MHZ(20),
-};
-
-static const char *channel_names[NUM_CHANNELS + 1] = {
- "0", "1", "2", "3",
- NULL,
-};
-
-SR_PRIV struct sr_dev_driver ikalogic_scanalogic2_driver_info;
-static struct sr_dev_driver *di = &ikalogic_scanalogic2_driver_info;
-
-static int init(struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-static GSList *scan(GSList *options)
-{
- GSList *usb_devices, *devices, *l;
- struct drv_context *drvc;
- struct sr_dev_inst *sdi;
- struct sr_channel *ch;
- struct dev_context *devc;
- struct sr_usb_dev_inst *usb;
- struct device_info dev_info;
- int ret, device_index, i;
- char *fw_ver_str;
-
- (void)options;
-
- devices = NULL;
- drvc = di->priv;
- drvc->instances = NULL;
- device_index = 0;
-
- usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, USB_VID_PID);
-
- if (usb_devices == NULL)
- return NULL;
-
- for (l = usb_devices; l; l = l->next) {
- usb = l->data;
-
- if ((ret = sl2_get_device_info(*usb, &dev_info)) < 0) {
- sr_warn("Failed to get device information: %d.", ret);
- sr_usb_dev_inst_free(usb);
- continue;
- }
-
- if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
- sr_err("Device instance malloc failed.");
- sr_usb_dev_inst_free(usb);
- continue;
- }
-
- if (!(devc->xfer_in = libusb_alloc_transfer(0))) {
- sr_err("Transfer malloc failed.");
- sr_usb_dev_inst_free(usb);
- g_free(devc);
- continue;
- }
-
- if (!(devc->xfer_out = libusb_alloc_transfer(0))) {
- sr_err("Transfer malloc failed.");
- sr_usb_dev_inst_free(usb);
- libusb_free_transfer(devc->xfer_in);
- g_free(devc);
- continue;
- }
-
- fw_ver_str = g_strdup_printf("%u.%u", dev_info.fw_ver_major,
- dev_info.fw_ver_minor);
- if (!fw_ver_str) {
- sr_err("Firmware string malloc failed.");
- sr_usb_dev_inst_free(usb);
- libusb_free_transfer(devc->xfer_in);
- libusb_free_transfer(devc->xfer_out);
- g_free(devc);
- continue;
- }
-
- sdi = sr_dev_inst_new(device_index, SR_ST_INACTIVE, VENDOR_NAME,
- MODEL_NAME, fw_ver_str);
- g_free(fw_ver_str);
- if (!sdi) {
- sr_err("sr_dev_inst_new failed.");
- sr_usb_dev_inst_free(usb);
- libusb_free_transfer(devc->xfer_in);
- libusb_free_transfer(devc->xfer_out);
- g_free(devc);
- continue;
- }
-
- sdi->priv = devc;
- sdi->driver = di;
- sdi->inst_type = SR_INST_USB;
- sdi->conn = usb;
-
- for (i = 0; channel_names[i]; i++) {
- ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE,
- channel_names[i]);
- sdi->channels = g_slist_append(sdi->channels, ch);
- devc->channels[i] = ch;
- }
-
- devc->state = STATE_IDLE;
- devc->next_state = STATE_IDLE;
-
- /* Set default samplerate. */
- sl2_set_samplerate(sdi, DEFAULT_SAMPLERATE);
-
- /* Set default capture ratio. */
- devc->capture_ratio = 0;
-
- /* Set default after trigger delay. */
- devc->after_trigger_delay = 0;
-
- memset(devc->xfer_buf_in, 0, LIBUSB_CONTROL_SETUP_SIZE +
- PACKET_LENGTH);
- memset(devc->xfer_buf_out, 0, LIBUSB_CONTROL_SETUP_SIZE +
- PACKET_LENGTH);
-
- libusb_fill_control_setup(devc->xfer_buf_in,
- USB_REQUEST_TYPE_IN, USB_HID_GET_REPORT,
- USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
- PACKET_LENGTH);
- libusb_fill_control_setup(devc->xfer_buf_out,
- USB_REQUEST_TYPE_OUT, USB_HID_SET_REPORT,
- USB_HID_REPORT_TYPE_FEATURE, USB_INTERFACE,
- PACKET_LENGTH);
-
- devc->xfer_data_in = devc->xfer_buf_in +
- LIBUSB_CONTROL_SETUP_SIZE;
- devc->xfer_data_out = devc->xfer_buf_out +
- LIBUSB_CONTROL_SETUP_SIZE;
-
- drvc->instances = g_slist_append(drvc->instances, sdi);
- devices = g_slist_append(devices, sdi);
-
- device_index++;
- }
-
- g_slist_free(usb_devices);
-
- return devices;
-}
-
-static GSList *dev_list(void)
-{
- return ((struct drv_context *)(di->priv))->instances;
-}
-
-static void clear_dev_context(void *priv)
-{
- struct dev_context *devc;
-
- devc = priv;
-
- sr_dbg("Device context cleared.");
-
- libusb_free_transfer(devc->xfer_in);
- libusb_free_transfer(devc->xfer_out);
- g_free(devc);
-}
-
-static int dev_clear(void)
-{
- return std_dev_clear(di, &clear_dev_context);
-}
-
-static int dev_open(struct sr_dev_inst *sdi)
-{
- struct drv_context *drvc;
- struct dev_context *devc;
- struct sr_usb_dev_inst *usb;
- uint8_t buffer[PACKET_LENGTH];
- int ret;
-
- if (!(drvc = di->priv)) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
- usb = sdi->conn;
- devc = sdi->priv;
-
- 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));
- return SR_ERR;
- }
- }
-
- if ((ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE)) < 0) {
- sr_err("Failed to claim interface: %s.",
- libusb_error_name(ret));
- return SR_ERR;
- }
-
- libusb_fill_control_transfer(devc->xfer_in, usb->devhdl,
- devc->xfer_buf_in, sl2_receive_transfer_in,
- sdi, USB_TIMEOUT);
-
- libusb_fill_control_transfer(devc->xfer_out, usb->devhdl,
- devc->xfer_buf_out, sl2_receive_transfer_out,
- sdi, USB_TIMEOUT);
-
- memset(buffer, 0, sizeof(buffer));
-
- buffer[0] = CMD_RESET;
- if ((ret = sl2_transfer_out(usb->devhdl, buffer)) != PACKET_LENGTH) {
- sr_err("Device reset failed: %s.", libusb_error_name(ret));
- 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));
- return SR_ERR;
- }
-
- sdi->status = SR_ST_ACTIVE;
-
- return SR_OK;
-}
-
-static int dev_close(struct sr_dev_inst *sdi)
-{
- struct sr_usb_dev_inst *usb;
-
- if (!di->priv) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
- usb = sdi->conn;
-
- if (!usb->devhdl)
- return SR_OK;
-
- libusb_release_interface(usb->devhdl, USB_INTERFACE);
- libusb_close(usb->devhdl);
-
- usb->devhdl = NULL;
- sdi->status = SR_ST_INACTIVE;
-
- return SR_OK;
-}
-
-static int cleanup(void)
-{
- return dev_clear();
-}
-
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- struct dev_context *devc;
- int ret;
-
- (void)cg;
-
- ret = SR_OK;
- devc = sdi->priv;
-
- switch (key) {
- case SR_CONF_SAMPLERATE:
- *data = g_variant_new_uint64(devc->samplerate);
- break;
- case SR_CONF_CAPTURE_RATIO:
- *data = g_variant_new_uint64(devc->capture_ratio);
- break;
- default:
- return SR_ERR_NA;
- }
-
- return ret;
-}
-
-static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- uint64_t samplerate, limit_samples, capture_ratio;
- int ret;
-
- (void)cg;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- ret = SR_OK;
-
- switch (key) {
- case SR_CONF_LIMIT_SAMPLES:
- limit_samples = g_variant_get_uint64(data);
- ret = sl2_set_limit_samples(sdi, limit_samples);
- break;
- case SR_CONF_SAMPLERATE:
- samplerate = g_variant_get_uint64(data);
- ret = sl2_set_samplerate(sdi, samplerate);
- break;
- case SR_CONF_CAPTURE_RATIO:
- capture_ratio = g_variant_get_uint64(data);
- ret = sl2_set_capture_ratio(sdi, capture_ratio);
- break;
- default:
- return SR_ERR_NA;
- }
-
- return ret;
-}
-
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- GVariant *gvar, *grange[2];
- GVariantBuilder gvb;
- int ret;
-
- (void)sdi;
- (void)cg;
-
- ret = SR_OK;
-
- switch (key) {
- case SR_CONF_DEVICE_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, hwcaps,
- ARRAY_SIZE(hwcaps), sizeof(int32_t));
- break;
- case SR_CONF_SAMPLERATE:
- g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
- gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
- sl2_samplerates, ARRAY_SIZE(sl2_samplerates),
- sizeof(uint64_t));
- g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
- *data = g_variant_builder_end(&gvb);
- break;
- case SR_CONF_TRIGGER_MATCH:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- trigger_matches, ARRAY_SIZE(trigger_matches),
- sizeof(int32_t));
- break;
- case SR_CONF_LIMIT_SAMPLES:
- grange[0] = g_variant_new_uint64(0);
- grange[1] = g_variant_new_uint64(MAX_SAMPLES);
- *data = g_variant_new_tuple(grange, 2);
- break;
- default:
- return SR_ERR_NA;
- }
-
- return ret;
-}
-
-static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
-{
- struct drv_context *drvc;
- struct dev_context *devc;
- uint16_t trigger_bytes, tmp;
- unsigned int i, j;
- int ret;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- devc = sdi->priv;
- drvc = di->priv;
-
- devc->cb_data = cb_data;
- devc->wait_data_ready_locked = TRUE;
- devc->stopping_in_progress = FALSE;
- devc->transfer_error = FALSE;
- devc->samples_processed = 0;
- devc->channel = 0;
- devc->sample_packet = 0;
-
- /*
- * The trigger must be configured first because the calculation of the
- * pre and post trigger samples depends on a configured trigger.
- */
- sl2_convert_trigger(sdi);
- sl2_calculate_trigger_samples(sdi);
-
- trigger_bytes = devc->pre_trigger_bytes + devc->post_trigger_bytes;
-
- /* Calculate the number of expected sample packets. */
- devc->num_sample_packets = trigger_bytes / PACKET_NUM_SAMPLE_BYTES;
-
- /* Round up the number of expected sample packets. */
- if (trigger_bytes % PACKET_NUM_SAMPLE_BYTES != 0)
- devc->num_sample_packets++;
-
- devc->num_enabled_channels = 0;
-
- /*
- * Count the number of enabled channels and number them for a sequential
- * access.
- */
- for (i = 0, j = 0; i < NUM_CHANNELS; i++) {
- if (devc->channels[i]->enabled) {
- devc->num_enabled_channels++;
- devc->channel_map[j] = i;
- j++;
- }
- }
-
- sr_dbg("Number of enabled channels: %i.", devc->num_enabled_channels);
-
- /* Set up the transfer buffer for the acquisition. */
- devc->xfer_data_out[0] = CMD_SAMPLE;
- devc->xfer_data_out[1] = 0x00;
-
- tmp = GUINT16_TO_LE(devc->pre_trigger_bytes);
- memcpy(devc->xfer_data_out + 2, &tmp, sizeof(tmp));
-
- tmp = GUINT16_TO_LE(devc->post_trigger_bytes);
- memcpy(devc->xfer_data_out + 4, &tmp, sizeof(tmp));
-
- devc->xfer_data_out[6] = devc->samplerate_id;
- devc->xfer_data_out[7] = devc->trigger_type;
- devc->xfer_data_out[8] = devc->trigger_channel;
- devc->xfer_data_out[9] = 0x00;
-
- tmp = GUINT16_TO_LE(devc->after_trigger_delay);
- memcpy(devc->xfer_data_out + 10, &tmp, sizeof(tmp));
-
- if ((ret = libusb_submit_transfer(devc->xfer_out)) != 0) {
- sr_err("Submit transfer failed: %s.", libusb_error_name(ret));
- return SR_ERR;
- }
-
- usb_source_add(sdi->session, drvc->sr_ctx, 100,
- ikalogic_scanalogic2_receive_data, (void *)sdi);
-
- sr_dbg("Acquisition started successfully.");
-
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, LOG_PREFIX);
-
- devc->next_state = STATE_SAMPLE;
-
- return SR_OK;
-}
-
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
- (void)cb_data;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- sr_dbg("Stopping acquisition.");
-
- sdi->status = SR_ST_STOPPING;
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_dev_driver ikalogic_scanalogic2_driver_info = {
- .name = "ikalogic-scanalogic2",
- .longname = "IKALOGIC Scanalogic-2",
- .api_version = 1,
- .init = init,
- .cleanup = cleanup,
- .scan = scan,
- .dev_list = dev_list,
- .dev_clear = dev_clear,
- .config_get = config_get,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = dev_open,
- .dev_close = dev_close,
- .dev_acquisition_start = dev_acquisition_start,
- .dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
-};
projects / libsigrok.git / blobdiff