static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct sr_usb_dev_inst *usb;
struct libusb_device_descriptor des;
libusb_device **devlist;
GSList *devices;
char connection_id[64];
size_t i;
int r;
(void)options;
drvc = di->context;
devices = NULL;
libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
for (i = 0; devlist[i]; i++) {
libusb_get_device_descriptor(devlist[i], &des);
if (des.idVendor != LOGICSTUDIO16_VID)
continue;
usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
usb = NULL;
switch (des.idProduct) {
case LOGICSTUDIO16_PID_HAVE_FIRMWARE:
usb = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
libusb_get_device_address(devlist[i]), NULL);
sdi = create_device(usb, SR_ST_INACTIVE, 0);
break;
case LOGICSTUDIO16_PID_LACK_FIRMWARE:
r = ezusb_upload_firmware(drvc->sr_ctx, devlist[i],
USB_CONFIGURATION, FX2_FIRMWARE);
if (r != SR_OK) {
/*
* An error message has already been logged by
* ezusb_upload_firmware().
*/
continue;
}
/*
* Put unknown as the address so that we know we still
* need to get the proper address after the device
* renumerates.
*/
usb = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
UNKNOWN_ADDRESS, NULL);
sdi = create_device(usb, SR_ST_INITIALIZING,
g_get_monotonic_time());
break;
default:
break;
}
/* Cannot handle this device? */
if (!usb)
continue;
sdi->connection_id = g_strdup(connection_id);
devices = g_slist_append(devices, sdi);
}
libusb_free_device_list(devlist, 1);
return std_scan_complete(di, devices);
}
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
const struct zp_model *prof;
struct libusb_device_descriptor des;
struct libusb_device_handle *hdl;
libusb_device **devlist;
GSList *devices;
int ret, i, j;
char serial_num[64], connection_id[64];
(void)options;
drvc = di->context;
devices = NULL;
/* Find all ZEROPLUS analyzers and add them to device list. */
libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */
for (i = 0; devlist[i]; i++) {
libusb_get_device_descriptor(devlist[i], &des);
if ((ret = libusb_open(devlist[i], &hdl)) < 0)
continue;
if (des.iSerialNumber == 0) {
serial_num[0] = '\0';
} else if ((ret = libusb_get_string_descriptor_ascii(hdl,
des.iSerialNumber, (unsigned char *) serial_num,
sizeof(serial_num))) < 0) {
sr_warn("Failed to get serial number string descriptor: %s.",
libusb_error_name(ret));
continue;
}
libusb_close(hdl);
usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
prof = NULL;
for (j = 0; j < zeroplus_models[j].vid; j++) {
if (des.idVendor == zeroplus_models[j].vid &&
des.idProduct == zeroplus_models[j].pid) {
prof = &zeroplus_models[j];
}
}
/* Skip if the device was not found. */
if (!prof)
continue;
sr_info("Found ZEROPLUS %s.", prof->model_name);
/* Register the device with libsigrok. */
sdi = g_malloc0(sizeof(struct sr_dev_inst));
sdi->status = SR_ST_INACTIVE;
sdi->vendor = g_strdup(VENDOR_NAME);
sdi->model = g_strdup(prof->model_name);
sdi->driver = di;
sdi->serial_num = g_strdup(serial_num);
sdi->connection_id = g_strdup(connection_id);
/* Allocate memory for our private driver context. */
devc = g_malloc0(sizeof(struct dev_context));
sdi->priv = devc;
devc->prof = prof;
devc->num_channels = prof->channels;
#ifdef ZP_EXPERIMENTAL
devc->max_sample_depth = 128 * 1024;
devc->max_samplerate = 200;
#else
devc->max_sample_depth = prof->sample_depth * 1024;
devc->max_samplerate = prof->max_sampling_freq;
#endif
devc->max_samplerate *= SR_MHZ(1);
devc->memory_size = MEMORY_SIZE_8K;
// memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES);
/* Fill in channellist according to this device's profile. */
for (j = 0; j < devc->num_channels; j++)
sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE,
channel_names[j]);
devices = g_slist_append(devices, sdi);
drvc->instances = g_slist_append(drvc->instances, sdi);
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);
}
libusb_free_device_list(devlist, 1);
return devices;
}
static int dev_open(struct sr_dev_inst *sdi)
{
struct sr_dev_driver *di = sdi->driver;
struct dev_context *devc;
struct drv_context *drvc;
struct sr_usb_dev_inst *usb;
libusb_device **devlist, *dev;
int device_count, ret, i;
char connection_id[64];
drvc = di->context;
usb = sdi->conn;
if (!(devc = sdi->priv)) {
sr_err("%s: sdi->priv was NULL", __func__);
return SR_ERR_ARG;
}
device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx,
&devlist);
if (device_count < 0) {
sr_err("Failed to retrieve device list.");
return SR_ERR;
}
dev = NULL;
for (i = 0; i < device_count; i++) {
usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
if (!strcmp(sdi->connection_id, connection_id)) {
dev = devlist[i];
break;
}
}
if (!dev) {
sr_err("Device on %d.%d (logical) / %s (physical) disappeared!",
usb->bus, usb->address, sdi->connection_id);
return SR_ERR;
}
if (!(ret = libusb_open(dev, &(usb->devhdl)))) {
sdi->status = SR_ST_ACTIVE;
sr_info("Opened device on %d.%d (logical) / %s (physical) interface %d.",
usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
} else {
sr_err("Failed to open device: %s.", libusb_error_name(ret));
return SR_ERR;
}
ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION);
if (ret < 0) {
sr_err("Unable to set USB configuration %d: %s.",
USB_CONFIGURATION, libusb_error_name(ret));
return SR_ERR;
}
ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
if (ret != 0) {
sr_err("Unable to claim interface: %s.",
libusb_error_name(ret));
return SR_ERR;
}
/* Set default configuration after power on. */
if (analyzer_read_status(usb->devhdl) == 0)
analyzer_configure(usb->devhdl);
analyzer_reset(usb->devhdl);
analyzer_initialize(usb->devhdl);
//analyzer_set_memory_size(MEMORY_SIZE_512K);
// analyzer_set_freq(g_freq, g_freq_scale);
analyzer_set_trigger_count(1);
// analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
// * get_memory_size(g_memory_size)) / 100) >> 2);
#if 0
if (g_double_mode == 1)
analyzer_set_compression(COMPRESSION_DOUBLE);
else if (g_compression == 1)
analyzer_set_compression(COMPRESSION_ENABLE);
else
#endif
analyzer_set_compression(COMPRESSION_NONE);
if (devc->cur_samplerate == 0) {
/* Samplerate hasn't been set. Default to 1MHz. */
analyzer_set_freq(1, FREQ_SCALE_MHZ);
devc->cur_samplerate = SR_MHZ(1);
}
if (devc->cur_threshold == 0)
set_voltage_threshold(devc, 1.5);
return SR_OK;
}
SR_PRIV int fx2lafw_dev_open(struct sr_dev_inst *sdi, struct sr_dev_driver *di)
{
libusb_device **devlist;
struct sr_usb_dev_inst *usb;
struct libusb_device_descriptor des;
struct dev_context *devc;
struct drv_context *drvc;
struct version_info vi;
int ret = SR_ERR, i, device_count;
uint8_t revid;
char connection_id[64];
drvc = di->context;
devc = sdi->priv;
usb = sdi->conn;
device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
if (device_count < 0) {
sr_err("Failed to get device list: %s.",
libusb_error_name(device_count));
return SR_ERR;
}
for (i = 0; i < device_count; i++) {
libusb_get_device_descriptor(devlist[i], &des);
if (des.idVendor != devc->profile->vid
|| des.idProduct != devc->profile->pid)
continue;
if ((sdi->status == SR_ST_INITIALIZING) ||
(sdi->status == SR_ST_INACTIVE)) {
/*
* Check device by its physical USB bus/port address.
*/
usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
if (strcmp(sdi->connection_id, connection_id))
/* This is not the one. */
continue;
}
if (!(ret = libusb_open(devlist[i], &usb->devhdl))) {
if (usb->address == 0xff)
/*
* First time we touch this device after FW
* upload, so we don't know the address yet.
*/
usb->address = libusb_get_device_address(devlist[i]);
} else {
sr_err("Failed to open device: %s.",
libusb_error_name(ret));
ret = SR_ERR;
break;
}
if (libusb_has_capability(LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER)) {
if (libusb_kernel_driver_active(usb->devhdl, USB_INTERFACE) == 1) {
if ((ret = libusb_detach_kernel_driver(usb->devhdl, USB_INTERFACE)) < 0) {
sr_err("Failed to detach kernel driver: %s.",
libusb_error_name(ret));
ret = SR_ERR;
break;
}
}
}
ret = command_get_fw_version(usb->devhdl, &vi);
if (ret != SR_OK) {
sr_err("Failed to get firmware version.");
break;
}
ret = command_get_revid_version(sdi, &revid);
if (ret != SR_OK) {
sr_err("Failed to get REVID.");
break;
}
/*
* Changes in major version mean incompatible/API changes, so
* bail out if we encounter an incompatible version.
* Different minor versions are OK, they should be compatible.
*/
if (vi.major != FX2LAFW_REQUIRED_VERSION_MAJOR) {
sr_err("Expected firmware version %d.x, "
"got %d.%d.", FX2LAFW_REQUIRED_VERSION_MAJOR,
vi.major, vi.minor);
break;
}
sr_info("Opened device on %d.%d (logical) / %s (physical), "
"interface %d, firmware %d.%d.",
usb->bus, usb->address, connection_id,
USB_INTERFACE, vi.major, vi.minor);
sr_info("Detected REVID=%d, it's a Cypress CY7C68013%s.",
revid, (revid != 1) ? " (FX2)" : "A (FX2LP)");
ret = SR_OK;
break;
}
libusb_free_device_list(devlist, 1);
return ret;
}
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
struct sr_dev_inst *sdi;
struct sr_usb_dev_inst *usb;
struct sr_config *src;
const struct dso_profile *prof;
GSList *l, *devices, *conn_devices;
struct libusb_device_descriptor des;
libusb_device **devlist;
int ret, i, j;
const char *conn;
char connection_id[64];
drvc = di->context;
devices = 0;
conn = NULL;
for (l = options; l; l = l->next) {
src = l->data;
if (src->key == 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;
/* Find all Hantek DSO devices and upload firmware to all of them. */
libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
for (i = 0; devlist[i]; i++) {
if (conn) {
usb = NULL;
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;
}
if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
sr_err("Failed to get device descriptor: %s.",
libusb_error_name(ret));
continue;
}
usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
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("Found a %s %s.", prof->vendor, prof->model);
sdi = dso_dev_new(prof);
sdi->connection_id = g_strdup(connection_id);
devices = g_slist_append(devices, sdi);
devc = sdi->priv;
if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION,
prof->firmware) == SR_OK)
/* Remember when the firmware on this device was updated */
devc->fw_updated = g_get_monotonic_time();
else
sr_err("Firmware upload failed");
/* Dummy USB address of 0xff will get overwritten later. */
sdi->conn = sr_usb_dev_inst_new(
libusb_get_bus_number(devlist[i]), 0xff, NULL);
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("Found a %s %s.", prof->vendor, prof->model);
sdi = dso_dev_new(prof);
sdi->connection_id = g_strdup(connection_id);
sdi->status = SR_ST_INACTIVE;
devices = g_slist_append(devices, sdi);
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);
break;
}
}
if (!prof)
/* not a supported VID/PID */
continue;
}
libusb_free_device_list(devlist, 1);
return devices;
}
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
struct sr_dev_inst *sdi;
struct sr_usb_dev_inst *usb;
struct sr_channel *ch;
struct sr_channel_group *cg;
struct sr_config *src;
const struct fx2lafw_profile *prof;
GSList *l, *devices, *conn_devices;
gboolean has_firmware;
struct libusb_device_descriptor des;
libusb_device **devlist;
struct libusb_device_handle *hdl;
int ret, i, j;
int num_logic_channels = 0, num_analog_channels = 0;
const char *conn;
char manufacturer[64], product[64], serial_num[64], connection_id[64];
char channel_name[16];
drvc = di->context;
conn = NULL;
for (l = options; l; l = l->next) {
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;
/* Find all fx2lafw compatible devices and upload firmware to them. */
devices = NULL;
libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
for (i = 0; devlist[i]; i++) {
if (conn) {
usb = NULL;
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);
if (!is_plausible(&des))
continue;
if ((ret = libusb_open(devlist[i], &hdl)) < 0) {
sr_warn("Failed to open potential device with "
"VID:PID %04x:%04x: %s.", des.idVendor,
des.idProduct, libusb_error_name(ret));
continue;
}
if (des.iManufacturer == 0) {
manufacturer[0] = '\0';
} else if ((ret = libusb_get_string_descriptor_ascii(hdl,
des.iManufacturer, (unsigned char *) manufacturer,
sizeof(manufacturer))) < 0) {
sr_warn("Failed to get manufacturer string descriptor: %s.",
libusb_error_name(ret));
continue;
}
if (des.iProduct == 0) {
product[0] = '\0';
} else if ((ret = libusb_get_string_descriptor_ascii(hdl,
des.iProduct, (unsigned char *) product,
sizeof(product))) < 0) {
sr_warn("Failed to get product string descriptor: %s.",
libusb_error_name(ret));
continue;
}
if (des.iSerialNumber == 0) {
serial_num[0] = '\0';
} else if ((ret = libusb_get_string_descriptor_ascii(hdl,
des.iSerialNumber, (unsigned char *) serial_num,
sizeof(serial_num))) < 0) {
sr_warn("Failed to get serial number string descriptor: %s.",
libusb_error_name(ret));
continue;
}
libusb_close(hdl);
if (usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)) < 0)
continue;
prof = NULL;
for (j = 0; supported_fx2[j].vid; j++) {
if (des.idVendor == supported_fx2[j].vid &&
des.idProduct == supported_fx2[j].pid &&
(!supported_fx2[j].usb_manufacturer ||
!strcmp(manufacturer, supported_fx2[j].usb_manufacturer)) &&
(!supported_fx2[j].usb_product ||
!strcmp(product, supported_fx2[j].usb_product))) {
prof = &supported_fx2[j];
break;
}
}
if (!prof)
continue;
sdi = g_malloc0(sizeof(struct sr_dev_inst));
sdi->status = SR_ST_INITIALIZING;
sdi->vendor = g_strdup(prof->vendor);
sdi->model = g_strdup(prof->model);
sdi->version = g_strdup(prof->model_version);
sdi->serial_num = g_strdup(serial_num);
sdi->connection_id = g_strdup(connection_id);
/* Fill in channellist according to this device's profile. */
num_logic_channels = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8;
num_analog_channels = prof->dev_caps & DEV_CAPS_AX_ANALOG ? 1 : 0;
/* Logic channels, all in one channel group. */
cg = g_malloc0(sizeof(struct sr_channel_group));
cg->name = g_strdup("Logic");
for (j = 0; j < num_logic_channels; j++) {
sprintf(channel_name, "D%d", j);
ch = sr_channel_new(sdi, j, SR_CHANNEL_LOGIC,
TRUE, channel_name);
cg->channels = g_slist_append(cg->channels, ch);
}
sdi->channel_groups = g_slist_append(NULL, cg);
for (j = 0; j < num_analog_channels; j++) {
snprintf(channel_name, 16, "A%d", j);
ch = sr_channel_new(sdi, j + num_logic_channels,
SR_CHANNEL_ANALOG, TRUE, channel_name);
/* Every analog channel gets its own channel group. */
cg = g_malloc0(sizeof(struct sr_channel_group));
cg->name = g_strdup(channel_name);
cg->channels = g_slist_append(NULL, ch);
sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
}
devc = fx2lafw_dev_new();
devc->profile = prof;
sdi->priv = devc;
devices = g_slist_append(devices, sdi);
devc->samplerates = samplerates;
devc->num_samplerates = ARRAY_SIZE(samplerates);
has_firmware = usb_match_manuf_prod(devlist[i],
"sigrok", "fx2lafw");
if (has_firmware) {
/* Already has the firmware, so fix the new address. */
sr_dbg("Found an fx2lafw 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);
} else {
if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i],
USB_CONFIGURATION, prof->firmware) == SR_OK) {
/* Store when this device's FW was updated. */
devc->fw_updated = g_get_monotonic_time();
} else {
sr_err("Firmware upload failed for "
"device %d.%d (logical), name %s.",
libusb_get_bus_number(devlist[i]),
libusb_get_device_address(devlist[i]),
prof->firmware);
}
sdi->inst_type = SR_INST_USB;
sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
0xff, NULL);
}
}
libusb_free_device_list(devlist, 1);
g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
return std_scan_complete(di, devices);
}
/**
* Queries a device instances' connection identifier.
*
* @param sdi Device instance to use. Must not be NULL.
*
* @return A copy of the connection id string or NULL. The caller is responsible
* for g_free()ing the string when it is no longer needed.
*/
SR_API const char *sr_dev_inst_connid_get(const struct sr_dev_inst *sdi)
{
#ifdef HAVE_LIBUSB_1_0
struct drv_context *drvc;
int r, cnt, i, a, b;
char connection_id[64];
struct sr_usb_dev_inst *usb;
struct libusb_device **devlist;
struct libusb_device_descriptor des;
#endif
if (!sdi)
return NULL;
#ifdef HAVE_LIBSERIALPORT
struct sr_serial_dev_inst *serial;
if ((!sdi->connection_id) && (sdi->inst_type == SR_INST_SERIAL)) {
/* connection_id isn't populated, let's do that here. */
serial = sdi->conn;
((struct sr_dev_inst *)sdi)->connection_id = g_strdup(serial->port);
}
#endif
#ifdef HAVE_LIBUSB_1_0
if ((!sdi->connection_id) && (sdi->inst_type == SR_INST_USB)) {
/* connection_id isn't populated, let's do that here. */
drvc = sdi->driver->priv;
usb = sdi->conn;
if ((cnt = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist)) < 0) {
sr_err("Failed to retrieve device list: %s.",
libusb_error_name(cnt));
return NULL;
}
for (i = 0; i < cnt; i++) {
if ((r = libusb_get_device_descriptor(devlist[i], &des)) < 0) {
sr_err("Failed to get device descriptor: %s.",
libusb_error_name(r));
continue;
}
/* Find the USB device by the logical address we know. */
b = libusb_get_bus_number(devlist[i]);
a = libusb_get_device_address(devlist[i]);
if (b != usb->bus || a != usb->address)
continue;
usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
((struct sr_dev_inst *)sdi)->connection_id = g_strdup(connection_id);
break;
}
libusb_free_device_list(devlist, 1);
}
#endif
return sdi->connection_id;
}
static int logic16_dev_open(struct sr_dev_inst *sdi)
{
struct sr_dev_driver *di;
libusb_device **devlist;
struct sr_usb_dev_inst *usb;
struct libusb_device_descriptor des;
struct drv_context *drvc;
int ret, i, device_count;
char connection_id[64];
di = sdi->driver;
drvc = di->priv;
usb = sdi->conn;
if (sdi->status == SR_ST_ACTIVE)
/* Device is already in use. */
return SR_ERR;
device_count = libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
if (device_count < 0) {
sr_err("Failed to get device list: %s.",
libusb_error_name(device_count));
return SR_ERR;
}
for (i = 0; i < device_count; i++) {
if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
sr_err("Failed to get device descriptor: %s.",
libusb_error_name(ret));
continue;
}
if (des.idVendor != LOGIC16_VID || des.idProduct != LOGIC16_PID)
continue;
if ((sdi->status == SR_ST_INITIALIZING) ||
(sdi->status == SR_ST_INACTIVE)) {
/*
* Check device by its physical USB bus/port address.
*/
usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
if (strcmp(sdi->connection_id, connection_id))
/* This is not the one. */
continue;
}
if (!(ret = libusb_open(devlist[i], &usb->devhdl))) {
if (usb->address == 0xff)
/*
* First time we touch this device after FW
* upload, so we don't know the address yet.
*/
usb->address = libusb_get_device_address(devlist[i]);
} else {
sr_err("Failed to open device: %s.",
libusb_error_name(ret));
break;
}
ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
if (ret == LIBUSB_ERROR_BUSY) {
sr_err("Unable to claim USB interface. Another "
"program or driver has already claimed it.");
break;
} else if (ret == LIBUSB_ERROR_NO_DEVICE) {
sr_err("Device has been disconnected.");
break;
} else if (ret != 0) {
sr_err("Unable to claim interface: %s.",
libusb_error_name(ret));
break;
}
if ((ret = logic16_init_device(sdi)) != SR_OK) {
sr_err("Failed to init device.");
break;
}
sdi->status = SR_ST_ACTIVE;
sr_info("Opened device on %d.%d (logical) / %s (physical), interface %d.",
usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
break;
}
libusb_free_device_list(devlist, 1);
if (sdi->status != SR_ST_ACTIVE) {
if (usb->devhdl) {
libusb_release_interface(usb->devhdl, USB_INTERFACE);
libusb_close(usb->devhdl);
usb->devhdl = NULL;
}
return SR_ERR;
}
return SR_OK;
}
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct drv_context *drvc;
struct dev_context *devc;
struct sr_dev_inst *sdi;
struct sr_usb_dev_inst *usb;
struct sr_config *src;
GSList *l, *devices, *conn_devices;
struct libusb_device_descriptor des;
libusb_device **devlist;
int ret;
unsigned int i, j;
const char *conn;
char connection_id[64];
drvc = di->priv;
conn = NULL;
for (l = options; l; l = l->next) {
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;
/* Find all Logic16 devices and upload firmware to them. */
devices = NULL;
libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
for (i = 0; devlist[i]; i++) {
if (conn) {
usb = NULL;
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;
}
if ((ret = libusb_get_device_descriptor(devlist[i], &des)) != 0) {
sr_warn("Failed to get device descriptor: %s.",
libusb_error_name(ret));
continue;
}
usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
if (des.idVendor != LOGIC16_VID || des.idProduct != LOGIC16_PID)
continue;
sdi = g_malloc0(sizeof(struct sr_dev_inst));
sdi->status = SR_ST_INITIALIZING;
sdi->vendor = g_strdup("Saleae");
sdi->model = g_strdup("Logic16");
sdi->driver = di;
sdi->connection_id = g_strdup(connection_id);
for (j = 0; j < ARRAY_SIZE(channel_names); j++)
sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE,
channel_names[j]);
devc = g_malloc0(sizeof(struct dev_context));
devc->selected_voltage_range = VOLTAGE_RANGE_18_33_V;
sdi->priv = devc;
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
if (check_conf_profile(devlist[i])) {
/* Already has the firmware, so fix the new address. */
sr_dbg("Found a Logic16 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);
} else {
if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION,
FX2_FIRMWARE) == SR_OK)
/* Store when this device's FW was updated. */
devc->fw_updated = g_get_monotonic_time();
else
sr_err("Firmware upload failed.");
sdi->inst_type = SR_INST_USB;
sdi->conn = sr_usb_dev_inst_new(
libusb_get_bus_number(devlist[i]), 0xff, NULL);
}
}
libusb_free_device_list(devlist, 1);
g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
return devices;
}
static int open_device(struct sr_dev_inst *sdi)
{
struct drv_context *drvc;
struct sr_usb_dev_inst *usb;
struct libusb_device_descriptor des;
libusb_device **devlist;
char connection_id[64];
bool is_opened;
size_t i;
int r;
if (sdi->status == SR_ST_ACTIVE)
return SR_ERR;
drvc = sdi->driver->context;
usb = sdi->conn;
is_opened = FALSE;
libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
for (i = 0; devlist[i]; i++) {
libusb_get_device_descriptor(devlist[i], &des);
if (des.idVendor != LOGICSTUDIO16_VID ||
des.idProduct != LOGICSTUDIO16_PID_HAVE_FIRMWARE)
continue;
usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
/*
* Check if this device is the same one that we associated
* with this sdi in scan() and bail if it isn't.
*/
if (strcmp(sdi->connection_id, connection_id))
continue;
r = libusb_open(devlist[i], &usb->devhdl);
if (r) {
sr_err("Failed to open device: %s.",
libusb_error_name(r));
break;
}
/* Fix up address after firmware upload. */
if (usb->address == UNKNOWN_ADDRESS)
usb->address = libusb_get_device_address(devlist[i]);
is_opened = TRUE;
break;
}
libusb_free_device_list(devlist, 1);
if (!is_opened)
return SR_ERR;
if ((r = libusb_claim_interface(usb->devhdl, USB_INTERFACE))) {
sr_err("Failed to claim interface: %s.",
libusb_error_name(r));
return SR_ERR;
}
sdi->status = SR_ST_ACTIVE;
return SR_OK;
}
