static int hw_set_configuration(int device_index, int capability, void *value);
static void hw_stop_acquisition(int device_index, gpointer session_device_id);
-/*
- * Returns 1 if the device's configuration profile match the Logic firmware's
- * configuration, 0 otherwise.
+/**
+ * Check the USB configuration to determine if this is a Saleae Logic.
+ *
+ * @return 1 if the device's configuration profile match the Logic firmware's
+ * configuration, 0 otherwise.
*/
int check_conf_profile(libusb_device *dev)
{
return ret;
}
-static int opendev2(int device_index, struct sigrok_device_instance **sdi,
- libusb_device *dev, struct libusb_device_descriptor *des,
- int *skip)
-{
- int err;
-
- if ((err = libusb_get_device_descriptor(dev, des))) {
- g_warning("failed to get device descriptor: %d", err);
- return -1;
- }
-
- if (des->idVendor != USB_VENDOR || des->idProduct != USB_PRODUCT)
- return 0;
-
- if (*skip != device_index) {
- /* Skip devices of this type that aren't the one we want. */
- *skip += 1;
- return 0;
- }
-
- /*
- * Should check the bus here, since we know that already. But what are
- * we going to do if it doesn't match after the right number of skips?
- */
- if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
- (*sdi)->usb->address = libusb_get_device_address(dev);
- (*sdi)->status = ST_ACTIVE;
- g_message("opened device %d on %d.%d interface %d",
- (*sdi)->index, (*sdi)->usb->bus,
- (*sdi)->usb->address, USB_INTERFACE);
- } else {
- g_warning("failed to open device: %d", err);
- *sdi = NULL;
- }
-
- return 0;
-}
-
-static int opendev3(struct sigrok_device_instance **sdi, libusb_device *dev,
- struct libusb_device_descriptor *des)
-{
- int err;
-
- if ((err = libusb_get_device_descriptor(dev, des))) {
- g_warning("failed to get device descriptor: %d", err);
- return -1;
- }
-
- if (des->idVendor != USB_VENDOR || des->idProduct != USB_PRODUCT)
- return 0;
-
- if (libusb_get_bus_number(dev) == (*sdi)->usb->bus
- && libusb_get_device_address(dev) == (*sdi)->usb->address) {
- /* Found it. */
- if (!(err = libusb_open(dev, &((*sdi)->usb->devhdl)))) {
- (*sdi)->status = ST_ACTIVE;
- g_message("opened device %d on %d.%d interface %d",
- (*sdi)->index, (*sdi)->usb->bus,
- (*sdi)->usb->address, USB_INTERFACE);
- } else {
- g_warning("failed to open device: %d", err);
- *sdi = NULL;
- }
- }
-
- return 0;
-}
-
struct sigrok_device_instance *sl_open_device(int device_index)
{
struct sigrok_device_instance *sdi;
for (i = 0; devlist[i]; i++) {
/* TODO: Error handling. */
err = opendev2(device_index, &sdi, devlist[i], &des,
- &skip);
+ &skip, USB_VENDOR, USB_PRODUCT,
+ USB_INTERFACE);
}
} else if (sdi->status == ST_INACTIVE) {
/*
libusb_get_device_list(usb_context, &devlist);
for (i = 0; devlist[i]; i++) {
/* TODO: Error handling. */
- err = opendev3(&sdi, devlist[i], &des);
+ err = opendev3(&sdi, devlist[i], &des, USB_VENDOR,
+ USB_PRODUCT, USB_INTERFACE);
}
} else {
/* Status must be ST_ACTIVE, i.e. already in use... */
if (sdi->usb->devhdl == NULL)
return;
- g_message("closing device %d on %d.%d interface %d", sdi->index,
+ g_message("saleae: closing device %d on %d.%d interface %d", sdi->index,
sdi->usb->bus, sdi->usb->address, USB_INTERFACE);
libusb_release_interface(sdi->usb->devhdl, USB_INTERFACE);
libusb_close(sdi->usb->devhdl);
continue;
probe_bit = 1 << (probe->index - 1);
probe_mask |= probe_bit;
- if (probe->trigger) {
- stage = 0;
- for (tc = probe->trigger; *tc; tc++) {
- trigger_mask[stage] |= probe_bit;
- if (*tc == '1')
- trigger_value[stage] |= probe_bit;
- stage++;
- if (stage > NUM_TRIGGER_STAGES)
- return SIGROK_ERR;
- }
+ if (!(probe->trigger))
+ continue;
+
+ stage = 0;
+ for (tc = probe->trigger; *tc; tc++) {
+ trigger_mask[stage] |= probe_bit;
+ if (*tc == '1')
+ trigger_value[stage] |= probe_bit;
+ stage++;
+ if (stage > NUM_TRIGGER_STAGES)
+ return SIGROK_ERR;
}
}
g_warning("Failed to initialize USB.");
return 0;
}
- libusb_set_debug(usb_context, 3);
/* Find all Saleae Logic devices and upload firmware to all of them. */
devcnt = 0;
timediff = cur - upd;
if (timediff < FIRMWARE_RENUM_DELAY) {
timediff = FIRMWARE_RENUM_DELAY - timediff;
- g_message("waiting %d ms for device to reset",
+ g_message("saleae: waiting %d ms for device to reset",
timediff);
g_usleep(timediff * 1000);
firmware_updated.tv_sec = 0;
divider = (uint8_t) (48 / (samplerate / 1000000.0)) - 1;
- g_message("setting samplerate to %" PRIu64 " Hz (divider %d)",
+ g_message("saleae: setting samplerate to %" PRIu64 " Hz (divider %d)",
samplerate, divider);
buf[0] = 0x01;
buf[1] = divider;
} else if (capability == HWCAP_PROBECONFIG) {
ret = configure_probes((GSList *) value);
} else if (capability == HWCAP_LIMIT_SAMPLES) {
- limit_samples = strtoull(value, NULL, 10);
+ tmp_u64 = value;
+ limit_samples = *tmp_u64;
ret = SIGROK_OK;
} else {
ret = SIGROK_ERR;
return TRUE;
}
-static void trigger_helper(int i, unsigned char *cur_buf,
- struct datafeed_packet *packet, void *user_data,
- int *trigger_offset)
-{
- if ((cur_buf[i] & trigger_mask[trigger_stage])
- == trigger_value[trigger_stage]) {
- /* Match on this trigger stage. */
- trigger_buffer[trigger_stage] = cur_buf[i];
- trigger_stage++;
- if (trigger_stage == NUM_TRIGGER_STAGES
- || trigger_mask[trigger_stage] == 0) {
- /* Match on all trigger stages, we're done. */
- *trigger_offset = i + 1;
-
- /*
- * TODO: Send pre-trigger buffer to session bus.
- * Tell the frontend we hit the trigger here.
- */
- packet->type = DF_TRIGGER;
- packet->length = 0;
- session_bus(user_data, packet);
-
- /*
- * Send the samples that triggered it, since we're
- * skipping past them.
- */
- packet->type = DF_LOGIC8;
- packet->length = trigger_stage;
- packet->payload = trigger_buffer;
- session_bus(user_data, packet);
- // break; // FIXME???
-
- trigger_stage = TRIGGER_FIRED;
- }
- return;
- }
-
- /*
- * We had a match before, but not in the next sample. However, we may
- * have a match on this stage in the next bit -- trigger on 0001 will
- * fail on seeing 00001, so we need to go back to stage 0 -- but at
- * the next sample from the one that matched originally, which the
- * counter increment at the end of the loop takes care of.
- */
- if (trigger_stage > 0) {
- i -= trigger_stage;
- if (i < -1)
- i = -1; /* Oops, went back past this buffer. */
- /* Reset trigger stage. */
- trigger_stage = 0;
- }
-}
-
void receive_transfer(struct libusb_transfer *transfer)
{
static int num_samples = 0;
return;
}
- g_message("receive_transfer(): status %d received %d bytes",
+ g_message("saleae: receive_transfer(): status %d received %d bytes",
transfer->status, transfer->actual_length);
/* Save incoming transfer before reusing the transfer struct. */
trigger_offset = 0;
if (trigger_stage >= 0) {
for (i = 0; i < cur_buflen; i++) {
- trigger_helper(i, cur_buf, &packet, user_data,
- &trigger_offset);
+
+ if ((cur_buf[i] & trigger_mask[trigger_stage]) == trigger_value[trigger_stage]) {
+ /* Match on this trigger stage. */
+ trigger_buffer[trigger_stage] = cur_buf[i];
+ trigger_stage++;
+ if (trigger_stage == NUM_TRIGGER_STAGES || trigger_mask[trigger_stage] == 0) {
+ /* Match on all trigger stages, we're done. */
+ trigger_offset = i + 1;
+
+ /*
+ * TODO: Send pre-trigger buffer to session bus.
+ * Tell the frontend we hit the trigger here.
+ */
+ packet.type = DF_TRIGGER;
+ packet.length = 0;
+ session_bus(user_data, &packet);
+
+ /*
+ * Send the samples that triggered it, since we're
+ * skipping past them.
+ */
+ packet.type = DF_LOGIC8;
+ packet.length = trigger_stage;
+ packet.payload = trigger_buffer;
+ session_bus(user_data, &packet);
+
+ trigger_stage = TRIGGER_FIRED;
+ break;
+ }
+ return;
+ }
+
+ /*
+ * We had a match before, but not in the next sample. However, we may
+ * have a match on this stage in the next bit -- trigger on 0001 will
+ * fail on seeing 00001, so we need to go back to stage 0 -- but at
+ * the next sample from the one that matched originally, which the
+ * counter increment at the end of the loop takes care of.
+ */
+ if (trigger_stage > 0) {
+ i -= trigger_stage;
+ if (i < -1)
+ i = -1; /* Oops, went back past this buffer. */
+ /* Reset trigger stage. */
+ trigger_stage = 0;
+ }
+
+
}
}
projects / libsigrok.git / blobdiff