cem-dt-885x: Live SPL acquisition

[libsigrok.git] / hardware / cem-dt-885x / api.c

diff --git a/hardware/cem-dt-885x/api.c b/hardware/cem-dt-885x/api.c
index 68e2f023ddfe3872f2a38b231df29731cabd6940..b69456d9659f822294e2e842e0d60ca43d619fb4 100644 (file)
--- a/hardware/cem-dt-885x/api.c
+++ b/hardware/cem-dt-885x/api.c
@@ -92,7 +92,7 @@ static GSList *scan(GSList *options)
                        sdi->inst_type = SR_INST_SERIAL;
                        sdi->priv = devc;
                        sdi->driver = di;
-                       if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
+                       if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "SPL")))
                                return NULL;
                        sdi->probes = g_slist_append(sdi->probes, probe);
                        drvc->instances = g_slist_append(drvc->instances, sdi);
@@ -223,17 +223,31 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
        return ret;
 }
 
-static int dev_acquisition_start(const struct sr_dev_inst *sdi,
-                                   void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 {
-       (void)sdi;
-       (void)cb_data;
+       struct dev_context *devc;
+       struct sr_serial_dev_inst *serial;
 
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR_DEV_CLOSED;
 
-       /* TODO: configure hardware, reset acquisition state, set up
-        * callbacks and send header packet. */
+       if (!(devc = sdi->priv)) {
+               sr_err("sdi->priv was NULL.");
+               return SR_ERR_BUG;
+       }
+
+       devc->cb_data = cb_data;
+       devc->state = ST_INIT;
+       devc->num_samples = 0;
+       devc->buf_len = 0;
+
+       /* Send header packet to the session bus. */
+       std_session_send_df_header(cb_data, LOG_PREFIX);
+
+       /* Poll every 100ms, or whenever some data comes in. */
+       serial = sdi->conn;
+       sr_source_add(serial->fd, G_IO_IN, 150, cem_dt_885x_receive_data,
+                       (void *)sdi);
 
        return SR_OK;
 }
@@ -245,7 +259,8 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR_DEV_CLOSED;
 
-       /* TODO: stop acquisition. */
+       return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close,
+                       sdi->conn, LOG_PREFIX);
 
        return SR_OK;
 }