* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <config.h>
#include <ftdi.h>
#include "protocol.h"
-static void send_samples(struct dev_context *devc, uint64_t samples_to_send)
+static void send_samples(struct sr_dev_inst *sdi, uint64_t samples_to_send)
{
struct sr_datafeed_packet packet;
struct sr_datafeed_logic logic;
+ struct dev_context *devc;
sr_spew("Sending %" PRIu64 " samples.", samples_to_send);
+ devc = sdi->priv;
+
packet.type = SR_DF_LOGIC;
packet.payload = &logic;
logic.length = samples_to_send;
logic.unitsize = 1;
logic.data = devc->data_buf;
- sr_session_send(devc->cb_data, &packet);
+ sr_session_send(sdi, &packet);
devc->samples_sent += samples_to_send;
devc->bytes_received -= samples_to_send;
}
+SR_PRIV int ftdi_la_set_samplerate(struct dev_context *devc)
+{
+ int ret;
+
+ ret = ftdi_set_baudrate(devc->ftdic,
+ devc->cur_samplerate / devc->desc->samplerate_div);
+ if (ret < 0) {
+ sr_err("Failed to set baudrate (%d): %s.", devc->cur_samplerate,
+ ftdi_get_error_string(devc->ftdic));
+ return SR_ERR;
+ }
+ return SR_OK;
+}
+
SR_PRIV int ftdi_la_receive_data(int fd, int revents, void *cb_data)
{
struct sr_dev_inst *sdi;
if (bytes_read < 0) {
sr_err("Failed to read FTDI data (%d): %s.",
bytes_read, ftdi_get_error_string(devc->ftdic));
- sdi->driver->dev_acquisition_stop(sdi, sdi);
+ sr_dev_acquisition_stop(sdi);
return FALSE;
}
if (bytes_read == 0) {
n = devc->samples_sent + devc->bytes_received;
if (devc->limit_samples && (n >= devc->limit_samples)) {
- send_samples(devc, devc->limit_samples - devc->samples_sent);
+ send_samples(sdi, devc->limit_samples - devc->samples_sent);
sr_info("Requested number of samples reached.");
- sdi->driver->dev_acquisition_stop(sdi, cb_data);
+ sr_dev_acquisition_stop(sdi);
return TRUE;
} else {
- send_samples(devc, devc->bytes_received);
+ send_samples(sdi, devc->bytes_received);
}
return TRUE;