#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_hw_init(sr_ctx, di, LOG_PREFIX);
+ return std_init(sr_ctx, di, LOG_PREFIX);
}
static GSList *scan(GSList *options)
{
+ GSList *usb_devices, *devices, *l;
struct drv_context *drvc;
- GSList *devices;
+ 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++;
+ }
- /* TODO: scan for devices, either based on a SR_CONF_CONN option
- * or on a USB scan. */
+ g_slist_free(usb_devices);
return devices;
}
static GSList *dev_list(void)
{
- struct drv_context *drvc;
+ return ((struct drv_context *)(di->priv))->instances;
+}
- drvc = di->priv;
+static void clear_dev_context(void *priv)
+{
+ struct dev_context *devc;
+
+ devc = priv;
+
+ sr_dbg("Device context cleared.");
- return drvc->instances;
+ 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, NULL);
+ return std_dev_clear(di, &clear_dev_context);
}
static int dev_open(struct sr_dev_inst *sdi)
{
- (void)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));
- /* TODO: get handle from sdi->conn and open it. */
+ 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;
static int dev_close(struct sr_dev_inst *sdi)
{
- (void)sdi;
+ struct sr_usb_dev_inst *usb;
- /* TODO: get handle from sdi->conn and close it. */
+ 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)
{
- dev_clear();
-
- /* TODO: free other driver resources, if any. */
-
- return SR_OK;
+ return dev_clear();
}
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi)
+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)sdi;
- (void)data;
+ (void)cg;
ret = SR_OK;
+ devc = sdi->priv;
+
switch (key) {
- /* TODO */
+ 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)
+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)data;
+ (void)cg;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
ret = SR_OK;
+
switch (key) {
- /* TODO */
+ 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:
- ret = SR_ERR_NA;
+ return SR_ERR_NA;
}
return ret;
}
-static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+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)data;
+ (void)cg;
ret = SR_OK;
+
switch (key) {
- /* TODO */
+ 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)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
{
- (void)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;
- /* TODO: configure hardware, reset acquisition state, set up
- * callbacks and send header packet. */
+ 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;
}
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- /* TODO: stop acquisition. */
+ 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 Scanalogic2",
+ .longname = "IKALOGIC Scanalogic-2",
.api_version = 1,
.init = init,
.cleanup = cleanup,
projects / libsigrok.git / blobdiff