* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <fcntl.h>
#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
#include "protocol.h"
+static const int hwopts[] = {
+ SR_HWOPT_CONN,
+ SR_HWOPT_SERIALCOMM,
+ 0,
+};
+
+static const int hwcaps[] = {
+ SR_HWCAP_SOUNDLEVELMETER,
+ SR_HWCAP_LIMIT_SAMPLES,
+ SR_HWCAP_CONTINUOUS,
+ 0,
+};
+
+static const char *probe_names[] = {
+ "P1",
+ NULL,
+};
+
SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
static struct sr_dev_driver *di = &tondaj_sl_814_driver_info;
continue;
if (!(devc = sdi->priv))
continue;
-
- /* TODO */
-
+ sr_serial_dev_inst_free(devc->serial);
sr_dev_inst_free(sdi);
}
return SR_ERR_MALLOC;
}
- /* TODO */
-
di->priv = drvc;
return SR_OK;
static GSList *hw_scan(GSList *options)
{
struct drv_context *drvc;
- GSList *devices;
-
- (void)options;
+ struct dev_context *devc;
+ struct sr_dev_inst *sdi;
+ struct sr_hwopt *opt;
+ struct sr_probe *probe;
+ GSList *devices, *l;
+ const char *conn, *serialcomm;
devices = NULL;
drvc = di->priv;
drvc->instances = NULL;
- /* TODO */
+ conn = serialcomm = NULL;
+ for (l = options; l; l = l->next) {
+ if (!(opt = l->data)) {
+ sr_err("Invalid option data, skipping.");
+ continue;
+ }
+ switch (opt->hwopt) {
+ case SR_HWOPT_CONN:
+ conn = opt->value;
+ break;
+ case SR_HWOPT_SERIALCOMM:
+ serialcomm = opt->value;
+ break;
+ default:
+ sr_err("Unknown option %d, skipping.", opt->hwopt);
+ break;
+ }
+ }
+ if (!conn) {
+ sr_dbg("Couldn't determine connection options.");
+ return NULL;
+ }
+
+ if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Tondaj",
+ "SL-814", NULL))) {
+ sr_err("Failed to create device instance.");
+ return NULL;
+ }
+
+ if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+ sr_err("Device context malloc failed.");
+ return NULL;
+ }
+
+ if (!serialcomm)
+ serialcomm = "9600/8e1";
+
+ if (!(devc->serial = sr_serial_dev_inst_new(conn, -1))) {
+ sr_err("Failed to create serial device instance.");
+ return NULL;
+ }
+ devc->serialcomm = g_strdup(serialcomm);
+ sdi->priv = devc;
+ sdi->driver = di;
+ probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, probe_names[0]);
+ if (!probe) {
+ sr_err("Failed to create probe.");
+ return NULL;
+ }
+ sdi->probes = g_slist_append(sdi->probes, probe);
+ drvc->instances = g_slist_append(drvc->instances, sdi);
+ devices = g_slist_append(devices, sdi);
return devices;
}
static int hw_dev_open(struct sr_dev_inst *sdi)
{
- /* TODO */
+ int ret;
+ struct dev_context *devc;
+
+ devc = sdi->priv;
+
+ sr_dbg("Opening '%s' with '%s'.", devc->serial->port, devc->serialcomm);
+
+ ret = serial_open(devc->serial->port, O_RDWR | O_NONBLOCK);
+ if (ret < 0) {
+ sr_err("Unable to open serial port: %d.", ret);
+ return SR_ERR;
+ }
+ devc->serial->fd = ret;
+
+ ret = serial_set_paramstr(devc->serial->fd, devc->serialcomm);
+ if (ret < 0) {
+ sr_err("Unable to set serial parameters: %d.", ret);
+ return SR_ERR;
+ }
+
+ sdi->status = SR_ST_ACTIVE;
return SR_OK;
}
static int hw_dev_close(struct sr_dev_inst *sdi)
{
- /* TODO */
+ int ret;
+ struct dev_context *devc;
+
+ devc = sdi->priv;
+
+ if (!devc->serial) {
+ sr_err("Invalid serial device instance, cannot close.");
+ return SR_ERR_BUG;
+ }
+
+ if (devc->serial->fd == -1) {
+ sr_dbg("Serial device instance FD was -1, no need to close.");
+ return SR_OK;
+ }
+
+ if ((ret = serial_close(devc->serial->fd)) < 0) {
+ sr_err("Error closing serial port: %d.", ret);
+ return SR_ERR;
+ }
+
+ devc->serial->fd = -1;
+ sdi->status = SR_ST_INACTIVE;
return SR_OK;
}
{
clear_instances();
- /* TODO */
-
return SR_OK;
}
static int hw_info_get(int info_id, const void **data,
const struct sr_dev_inst *sdi)
{
+ (void)sdi;
+
switch (info_id) {
- /* TODO */
+ case SR_DI_HWOPTS:
+ *data = hwopts;
+ break;
+ case SR_DI_HWCAPS:
+ *data = hwcaps;
+ break;
+ case SR_DI_NUM_PROBES:
+ *data = GINT_TO_POINTER(1);
+ break;
+ case SR_DI_PROBE_NAMES:
+ *data = probe_names;
+ break;
default:
sr_err("Unknown info_id: %d.", info_id);
return SR_ERR_ARG;
static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
const void *value)
{
- int ret;
+ struct dev_context *devc;
if (sdi->status != SR_ST_ACTIVE) {
sr_err("Device inactive, can't set config options.");
return SR_ERR;
}
- ret = SR_OK;
+ devc = sdi->priv;
+
switch (hwcap) {
- /* TODO */
+ case SR_HWCAP_LIMIT_SAMPLES:
+ devc->limit_samples = *(const uint64_t *)value;
+ sr_dbg("Setting sample limit to %" PRIu64 ".",
+ devc->limit_samples);
+ break;
default:
sr_err("Unknown hardware capability: %d.", hwcap);
- ret = SR_ERR_ARG;
+ return SR_ERR_ARG;
}
- return ret;
+ return SR_OK;
}
static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
void *cb_data)
{
- /* TODO */
+ struct sr_datafeed_packet packet;
+ struct sr_datafeed_header header;
+ struct sr_datafeed_meta_analog meta;
+ struct dev_context *devc;
+
+ devc = sdi->priv;
+ devc->cb_data = cb_data;
+
+ /* Send header packet to the session bus. */
+ sr_dbg("Sending SR_DF_HEADER.");
+ packet.type = SR_DF_HEADER;
+ packet.payload = (uint8_t *)&header;
+ header.feed_version = 1;
+ gettimeofday(&header.starttime, NULL);
+ sr_session_send(devc->cb_data, &packet);
+
+ /* Send metadata about the SR_DF_ANALOG packets to come. */
+ sr_dbg("Sending SR_DF_META_ANALOG.");
+ packet.type = SR_DF_META_ANALOG;
+ packet.payload = &meta;
+ meta.num_probes = 1;
+ sr_session_send(devc->cb_data, &packet);
+
+ /* Poll every 500ms, or whenever some data comes in. */
+ sr_source_add(devc->serial->fd, G_IO_IN, 500,
+ tondaj_sl_814_receive_data, (void *)sdi);
return SR_OK;
}
-static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
- void *cb_data)
+static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
- (void)cb_data;
+ int ret, final_ret;
+ struct sr_datafeed_packet packet;
+ struct dev_context *devc;
+
+ final_ret = SR_OK;
if (sdi->status != SR_ST_ACTIVE) {
sr_err("Device inactive, can't stop acquisition.");
return SR_ERR;
}
- /* TODO */
+ devc = sdi->priv;
- return SR_OK;
+ if ((ret = sr_source_remove(devc->serial->fd)) < 0) {
+ sr_err("Error removing source: %d.", ret);
+ final_ret = SR_ERR;
+ }
+
+ if ((ret = hw_dev_close(sdi)) < 0) {
+ sr_err("Error closing device: %d.", ret);
+ final_ret = SR_ERR;
+ }
+
+ /* Send end packet to the session bus. */
+ sr_dbg("Sending SR_DF_END.");
+ packet.type = SR_DF_END;
+ sr_session_send(cb_data, &packet);
+
+ return final_ret;
}
SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
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