*/
#include <config.h>
+#include <glib.h>
+#include <string.h>
#include "protocol.h"
+#define BUF_COUNT (8)
+#define BUF_SIZE (16*1024)
+#define BUF_TIMEOUT (1000*1000)
+
SR_PRIV struct sr_dev_driver saleae_logicpro_driver_info;
+static const uint32_t drvopts[] = {
+ SR_CONF_LOGIC_ANALYZER,
+};
+
+static const uint32_t scanopts[] = {
+ SR_CONF_CONN,
+};
+
+static const uint32_t devopts[] = {
+ SR_CONF_CONTINUOUS,
+ SR_CONF_CONN | SR_CONF_GET,
+ SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+};
+
+static const char *channel_names[] = {
+ "0", "1", "2", "3", "4", "5", "6", "7",
+ "8", "9", "10", "11", "12", "13", "14", "15",
+};
+
+static const uint64_t samplerates[] = {
+ SR_MHZ(1),
+ SR_MHZ(2),
+ SR_KHZ(2500),
+ SR_MHZ(10),
+ SR_MHZ(25),
+ SR_MHZ(50),
+};
+
+static gboolean scan_firmware(libusb_device *dev)
+{
+ struct libusb_device_descriptor des;
+ struct libusb_device_handle *hdl;
+ gboolean ret;
+ unsigned char strdesc[64];
+
+ hdl = NULL;
+ ret = FALSE;
+
+ libusb_get_device_descriptor(dev, &des);
+
+ if (libusb_open(dev, &hdl) != 0)
+ goto out;
+
+ if (libusb_get_string_descriptor_ascii(hdl,
+ des.iManufacturer, strdesc, sizeof(strdesc)) < 0)
+ goto out;
+ if (strcmp((const char *)strdesc, "Saleae"))
+ goto out;
+
+ if (libusb_get_string_descriptor_ascii(hdl,
+ des.iProduct, strdesc, sizeof(strdesc)) < 0)
+ goto out;
+ if (strcmp((const char *)strdesc, "Logic Pro"))
+ goto out;
+
+ ret = TRUE;
+
+out:
+ if (hdl)
+ libusb_close(hdl);
+
+ return ret;
+}
+
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct drv_context *drvc;
- GSList *devices;
-
- (void)options;
+ struct dev_context *devc;
+ struct sr_dev_inst *sdi;
+ GSList *devices, *conn_devices;
+ libusb_device **devlist;
+ struct libusb_device_descriptor des;
+ const char *conn;
+ char connection_id[64];
devices = NULL;
drvc = di->context;
drvc->instances = NULL;
- /* TODO: scan for devices, either based on a SR_CONF_CONN option
- * or on a USB scan. */
+ conn = NULL;
+ for (GSList *l = options; l; l = l->next) {
+ struct sr_config *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;
+
+ libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
+ for (unsigned int i = 0; devlist[i]; i++) {
+ if (conn) {
+ struct sr_usb_dev_inst *usb = NULL;
+ GSList *l;
+
+ 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;
+ }
+
+ libusb_get_device_descriptor(devlist[i], &des);
+
+ usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
+
+ if (des.idVendor != 0x21a9 || des.idProduct != 0x1006)
+ continue;
+
+ if (!scan_firmware(devlist[i])) {
+ sr_err("Found a Logic Pro device, but firmware is not loaded (use Saleae application).");
+ continue;
+ }
+
+ sdi = g_malloc0(sizeof(struct sr_dev_inst));
+ sdi->status = SR_ST_INITIALIZING;
+ sdi->vendor = g_strdup("Saleae");
+ sdi->model = g_strdup("Logic Pro 16");
+ sdi->connection_id = g_strdup(connection_id);
+
+ for (unsigned int j = 0; j < ARRAY_SIZE(channel_names); j++)
+ sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE,
+ channel_names[j]);
+
+ sr_dbg("Found a Logic Pro 16 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);
+
+ devc = g_malloc0(sizeof(struct dev_context));
+ sdi->priv = devc;
+ devices = g_slist_append(devices, sdi);
+
+ }
+ libusb_free_device_list(devlist, 1);
+ g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
- return devices;
+ return std_scan_complete(di, devices);
}
static int dev_clear(const struct sr_dev_driver *di)
static int dev_open(struct sr_dev_inst *sdi)
{
- (void)sdi;
+ struct sr_dev_driver *di = sdi->driver;
+ struct drv_context *drvc = di->context;
+ struct dev_context *devc = sdi->priv;
+ struct sr_usb_dev_inst *usb = sdi->conn;
+ int ret;
- /* TODO: get handle from sdi->conn and open it. */
+ if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
+ return SR_ERR;
+
+ if ((ret = libusb_claim_interface(usb->devhdl, 0))) {
+ sr_err("Failed to claim interface: %s.", libusb_error_name(ret));
+ return SR_ERR;
+ }
+
+ /* configure default samplerate */
+ if (devc->dig_samplerate == 0)
+ devc->dig_samplerate = samplerates[3];
sdi->status = SR_ST_ACTIVE;
static int dev_close(struct sr_dev_inst *sdi)
{
- (void)sdi;
+ struct sr_usb_dev_inst *usb = sdi->conn;
- /* TODO: get handle from sdi->conn and close it. */
+ sr_usb_close(usb);
sdi->status = SR_ST_INACTIVE;
}
static int config_get(uint32_t key, GVariant **data,
- const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
+ struct sr_usb_dev_inst *usb;
+ struct dev_context *devc;
int ret;
- (void)sdi;
- (void)data;
(void)cg;
ret = SR_OK;
switch (key) {
- /* TODO */
+ case SR_CONF_CONN:
+ if (!sdi || !sdi->conn)
+ return SR_ERR_ARG;
+ usb = sdi->conn;
+ *data = g_variant_new_printf("%d.%d", usb->bus, usb->address);
+ break;
+ case SR_CONF_SAMPLERATE:
+ if (!sdi)
+ return SR_ERR;
+ devc = sdi->priv;
+ *data = g_variant_new_uint64(devc->dig_samplerate);
+ break;
default:
return SR_ERR_NA;
}
}
static int config_set(uint32_t key, GVariant *data,
- const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
+ struct dev_context *devc;
int ret;
- (void)data;
(void)cg;
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
+ devc = sdi->priv;
ret = SR_OK;
switch (key) {
- /* TODO */
+ case SR_CONF_SAMPLERATE:
+ devc->dig_samplerate = g_variant_get_uint64(data);
+ break;
default:
ret = SR_ERR_NA;
}
}
static int config_list(uint32_t key, GVariant **data,
- const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
+ GVariant *gvar;
+ GVariantBuilder gvb;
int ret;
(void)sdi;
- (void)data;
(void)cg;
ret = SR_OK;
switch (key) {
- /* TODO */
+ case SR_CONF_SCAN_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ scanopts,
+ ARRAY_SIZE(scanopts),
+ sizeof(uint32_t));
+ break;
+ case SR_CONF_DEVICE_OPTIONS:
+ if (!sdi) {
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ drvopts,
+ ARRAY_SIZE(drvopts),
+ sizeof(uint32_t));
+ } else {
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+ devopts,
+ ARRAY_SIZE(devopts),
+ sizeof(uint32_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"),
+ samplerates, ARRAY_SIZE(samplerates), sizeof(uint64_t));
+ g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
+ *data = g_variant_builder_end(&gvb);
+ break;
default:
return SR_ERR_NA;
}
return ret;
}
+static void dev_acquisition_abort(const struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc = sdi->priv;
+ unsigned int i;
+
+ for (i = 0; i < devc->num_transfers; i++) {
+ if (devc->transfers[i])
+ libusb_cancel_transfer(devc->transfers[i]);
+ }
+}
+
+static int dev_acquisition_handle(int fd, int revents, void *cb_data)
+{
+ struct sr_dev_inst *sdi = cb_data;
+ struct drv_context *drvc = sdi->driver->context;
+ struct timeval tv = {};
+
+ (void)fd;
+ (void)revents;
+
+ libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
+
+ return TRUE;
+}
+
static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
+ struct dev_context *devc = sdi->priv;
+ struct drv_context *drvc = sdi->driver->context;
+ struct libusb_transfer *transfer;
+ struct sr_usb_dev_inst *usb;
+ uint8_t *buf;
+ unsigned int i, 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. */
+ ret = saleae_logicpro_init(sdi);
+ if (ret != SR_OK)
+ return ret;
+
+ ret = saleae_logicpro_prepare(sdi);
+ if (ret != SR_OK)
+ return ret;
+
+ usb = sdi->conn;
+
+ devc->conv_buffer = g_malloc(CONV_BUFFER_SIZE);
+
+ devc->num_transfers = BUF_COUNT;
+ devc->transfers = g_malloc0(sizeof(*devc->transfers) * BUF_COUNT);
+ for (i = 0; i < devc->num_transfers; i++) {
+ buf = g_malloc(BUF_SIZE);
+ transfer = libusb_alloc_transfer(0);
+ libusb_fill_bulk_transfer(transfer, usb->devhdl,
+ 2 | LIBUSB_ENDPOINT_IN, buf, BUF_SIZE,
+ saleae_logicpro_receive_data, (void *)sdi, BUF_TIMEOUT);
+ 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);
+ dev_acquisition_abort(sdi);
+ return SR_ERR;
+ }
+ devc->transfers[i] = transfer;
+ devc->submitted_transfers++;
+ }
+
+ usb_source_add(sdi->session, drvc->sr_ctx, BUF_TIMEOUT, dev_acquisition_handle, (void *)sdi);
+
+ std_session_send_df_header(sdi);
+
+ saleae_logicpro_start(sdi);
+ if (ret != SR_OK)
+ return ret;
return SR_OK;
}
static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
+ struct dev_context *devc = sdi->priv;
+ struct drv_context *drvc = sdi->driver->context;
+
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- /* TODO: stop acquisition. */
+ saleae_logicpro_stop(sdi);
+
+ std_session_send_df_end(sdi);
+
+ usb_source_remove(sdi->session, drvc->sr_ctx);
+
+ g_free(devc->conv_buffer);
return SR_OK;
}
projects / libsigrok.git / blobdiff