* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "protocol.h"
+#include <config.h>
#include <string.h>
+#include "protocol.h"
/* Bit mask for the RLE repeat-count-follows flag. */
#define RLE_FLAG_LEN_FOLLOWS ((uint64_t)1 << 35)
uint64_t divider_count;
uint64_t trigger_mask;
uint64_t memory_limit;
- uint16_t command[3 + 10*4];
+ uint16_t command[3 + (10 * 4)];
devc = sdi->priv;
acq = devc->acquisition;
switch (devc->cfg_trigger_slope) {
case EDGE_POSITIVE:
trigger_mask |= (uint64_t)1 << 35;
- break;
+ break;
case EDGE_NEGATIVE:
trigger_mask |= (uint64_t)1 << 34;
- break;
+ break;
}
command[19] = LWLA_WORD_0(trigger_mask);
command[25] = LWLA_WORD_2(memory_limit);
command[26] = LWLA_WORD_3(memory_limit);
- /* Fill remaining 64-bit words with zeroes. */
- memset(&command[27], 0, 16 * sizeof(uint16_t));
+ /* Fill remaining words with zeroes. */
+ memset(&command[27], 0, sizeof(command) - 27 * sizeof(command[0]));
- return lwla_send_command(sdi->conn, command, G_N_ELEMENTS(command));
+ return lwla_send_command(sdi->conn, command, ARRAY_SIZE(command));
}
/* Issue a register write command as an asynchronous USB transfer.
sr_dbg("%zu words in capture buffer.", acq->mem_addr_fill);
- if (acq->mem_addr_fill > 0 && sdi->status == SR_ST_ACTIVE)
+ if (acq->mem_addr_fill > 0 && !devc->cancel_requested)
issue_read_start(sdi);
else
issue_read_end(sdi);
}
}
-/* Decode an incoming capture status reponse and act on it as appropriate.
+/* Decode an incoming capture status response and act on it as appropriate.
* Note that this function changes the device state.
*/
static void process_capture_status(const struct sr_dev_inst *sdi)
struct dev_context *devc;
struct sr_datafeed_packet packet;
- drvc = sdi->driver->priv;
+ drvc = sdi->driver->context;
devc = sdi->priv;
if (devc->state == STATE_IDLE)
lwla_free_acquisition_state(devc->acquisition);
devc->acquisition = NULL;
-
- sdi->status = SR_ST_ACTIVE;
+ devc->cancel_requested = FALSE;
}
/* USB output transfer completion callback.
*/
-static void receive_transfer_out(struct libusb_transfer *transfer)
+static void LIBUSB_CALL receive_transfer_out(struct libusb_transfer *transfer)
{
struct sr_dev_inst *sdi;
struct dev_context *devc;
submit_transfer(devc, devc->acquisition->xfer_in);
break;
case STATE_STOP_CAPTURE:
- if (sdi->status == SR_ST_ACTIVE)
+ if (!devc->cancel_requested)
request_capture_length(sdi);
else
end_acquisition(sdi);
/* USB input transfer completion callback.
*/
-static void receive_transfer_in(struct libusb_transfer *transfer)
+static void LIBUSB_CALL receive_transfer_in(struct libusb_transfer *transfer)
{
struct sr_dev_inst *sdi;
struct dev_context *devc;
return ret;
}
-SR_PRIV int lwla_convert_trigger(const struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
- struct sr_trigger *trigger;
- struct sr_trigger_stage *stage;
- struct sr_trigger_match *match;
- const GSList *l, *m;
- uint64_t channel_index;
-
- devc = sdi->priv;
-
- devc->trigger_mask = 0;
- devc->trigger_values = 0;
- devc->trigger_edge_mask = 0;
-
- if (!(trigger = sr_session_trigger_get(sdi->session)))
- return SR_OK;
-
- if (g_slist_length(trigger->stages) > 1) {
- sr_err("This device only supports 1 trigger stage.");
- return SR_ERR;
- }
-
- for (l = trigger->stages; l; l = l->next) {
- stage = l->data;
- for (m = stage->matches; m; m = m->next) {
- match = m->data;
- if (!match->channel->enabled)
- /* Ignore disabled channels with a trigger. */
- continue;
- channel_index = (uint64_t)1 << match->channel->index;
- devc->trigger_mask |= channel_index;
- switch (match->match) {
- case SR_TRIGGER_ONE:
- devc->trigger_values |= channel_index;
- break;
- case SR_TRIGGER_RISING:
- devc->trigger_values |= channel_index;
- /* Fall through for edge mask. */
- case SR_TRIGGER_FALLING:
- devc->trigger_edge_mask |= channel_index;
- break;
- }
- }
- }
-
- return SR_OK;
-}
-
/* Select the LWLA clock configuration. If the clock source changed from
* the previous setting, this will download a new bitstream to the FPGA.
*/
regvals[6].reg = REG_DIV_BYPASS;
regvals[6].val = acq->bypass_clockdiv;
- ret = lwla_write_regs(usb, regvals, G_N_ELEMENTS(regvals));
+ ret = lwla_write_regs(usb, regvals, ARRAY_SIZE(regvals));
if (ret != SR_OK)
return ret;
libusb_fill_bulk_transfer(acq->xfer_out, usb->devhdl, EP_COMMAND,
(unsigned char *)acq->xfer_buf_out, 0,
&receive_transfer_out,
- (struct sr_dev_inst *)sdi, USB_TIMEOUT);
+ (struct sr_dev_inst *)sdi, USB_TIMEOUT_MS);
libusb_fill_bulk_transfer(acq->xfer_in, usb->devhdl, EP_REPLY,
(unsigned char *)acq->xfer_buf_in,
sizeof acq->xfer_buf_in,
&receive_transfer_in,
- (struct sr_dev_inst *)sdi, USB_TIMEOUT);
+ (struct sr_dev_inst *)sdi, USB_TIMEOUT_MS);
regvals = devc->reg_write_seq;
{
struct acquisition_state *acq;
- acq = g_try_new0(struct acquisition_state, 1);
- if (!acq) {
- sr_err("Acquisition state malloc failed.");
- return NULL;
- }
+ acq = g_malloc0(sizeof(struct acquisition_state));
acq->xfer_in = libusb_alloc_transfer(0);
if (!acq->xfer_in) {
sdi = cb_data;
devc = sdi->priv;
- drvc = sdi->driver->priv;
+ drvc = sdi->driver->context;
if (!devc || !drvc)
return FALSE;
/* If no event flags are set the timeout must have expired. */
if (revents == 0 && devc->state == STATE_STATUS_WAIT) {
- if (sdi->status == SR_ST_STOPPING)
+ if (devc->cancel_requested)
issue_stop_capture(sdi);
else
request_capture_status(sdi);
projects / libsigrok.git / blobdiff