SR_PRIV int brymen_dmm_receive_data(int fd, int revents, void *cb_data)
{
struct sr_dev_inst *sdi;
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
int ret;
(void)fd;
if (!(sdi = cb_data))
return TRUE;
if (!(devc = sdi->priv))
return TRUE;
serial = sdi->conn;
if (revents == G_IO_IN) {
/* Serial data arrived. */
handle_new_data(sdi);
} else {
/* Timeout, send another packet request. */
if ((ret = brymen_packet_request(serial)) < 0) {
sr_err("Failed to request packet: %d.", ret);
return FALSE;
}
}
if (sr_sw_limits_check(&devc->sw_limits))
sdi->driver->dev_acquisition_stop(sdi);
return TRUE;
}
SR_PRIV int brymen_dmm_receive_data(int fd, int revents, void *cb_data)
{
struct sr_dev_inst *sdi;
struct dev_context *devc;
struct sr_serial_dev_inst *serial;
int ret;
int64_t time;
(void)fd;
if (!(sdi = cb_data))
return TRUE;
if (!(devc = sdi->priv))
return TRUE;
serial = sdi->conn;
if (revents == G_IO_IN) {
/* Serial data arrived. */
handle_new_data(sdi);
} else {
/* Timeout, send another packet request. */
if ((ret = brymen_packet_request(serial)) < 0) {
sr_err("Failed to request packet: %d.", ret);
return FALSE;
}
}
if (devc->limit_samples && devc->num_samples >= devc->limit_samples) {
sr_info("Requested number of samples reached, stopping.");
sdi->driver->dev_acquisition_stop(sdi, cb_data);
return TRUE;
}
if (devc->limit_msec) {
time = (g_get_monotonic_time() - devc->starttime) / 1000;
if (time > (int64_t)devc->limit_msec) {
sr_info("Requested time limit reached, stopping.");
sdi->driver->dev_acquisition_stop(sdi, cb_data);
return TRUE;
}
}
return TRUE;
}
static GSList *brymen_scan(const char *conn, const char *serialcomm)
{
struct sr_dev_inst *sdi;
struct dev_context *devc;
struct drv_context *drvc;
struct sr_probe *probe;
struct sr_serial_dev_inst *serial;
GSList *devices;
int ret;
uint8_t buf[128];
size_t len;
if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
return NULL;
if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
return NULL;
sr_info("Probing port %s.", conn);
devices = NULL;
/* Request reading */
if ((ret = brymen_packet_request(serial)) < 0) {
sr_err("Unable to send command: %d.", ret);
goto scan_cleanup;
}
len = 128;
ret = brymen_stream_detect(serial, buf, &len, brymen_packet_length,
brymen_packet_is_valid, 1000, 9600);
if (ret != SR_OK)
goto scan_cleanup;
sr_info("Found device on port %s.", conn);
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Brymen", "BM85x", "")))
goto scan_cleanup;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
sr_err("Device context malloc failed.");
goto scan_cleanup;
}
sdi->inst_type = SR_INST_SERIAL;
sdi->conn = serial;
drvc = di->priv;
sdi->priv = devc;
sdi->driver = di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
goto scan_cleanup;
sdi->probes = g_slist_append(sdi->probes, probe);
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
scan_cleanup:
serial_close(serial);
return devices;
}
