X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fhantek-6xxx%2Fapi.c;h=e4e20e0a84da803a6adc9cc22cfcaa8add5e66a6;hb=f670835f1fbc03525e995d6970a5495976ab7c1a;hp=c05290be6e9ab460b36813740c13b22a62b8e1c2;hpb=364b09c2a936fd7e98a879c3532fcd2fee4c1e0a;p=libsigrok.git

diff --git a/src/hardware/hantek-6xxx/api.c b/src/hardware/hantek-6xxx/api.c
index c05290be..e4e20e0a 100644
--- a/src/hardware/hantek-6xxx/api.c
+++ b/src/hardware/hantek-6xxx/api.c
@@ -52,7 +52,7 @@ static const char *channel_names[] = {
 };
 
 static const char *dc_coupling[] = {
-	"DC", "DC",
+	"DC",
 };
 
 static const char *acdc_coupling[] = {
@@ -88,8 +88,6 @@ static const uint64_t vdivs[][2] = {
 
 static int read_channel(const struct sr_dev_inst *sdi, uint32_t amount);
 
-static int dev_acquisition_stop(struct sr_dev_inst *sdi);
-
 static struct sr_dev_inst *hantek_6xxx_dev_new(const struct hantek_6xxx_profile *prof)
 {
 	struct sr_dev_inst *sdi;
@@ -385,7 +383,8 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 			*data = g_variant_new("(tt)", vdiv[0], vdiv[1]);
 			break;
 		case SR_CONF_COUPLING:
-			*data = g_variant_new_string(devc->coupling_vals[devc->coupling[ch_idx]]);
+			*data = g_variant_new_string((devc->coupling[ch_idx] \
+					== COUPLING_DC) ? "DC" : "AC");
 			break;
 		}
 	}
@@ -708,7 +707,7 @@ static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer)
 			PRIu64 " <= %" PRIu64, devc->limit_samples,
 			devc->samp_received);
 		send_data(sdi, devc->sample_buf, devc->limit_samples);
-		sdi->driver->dev_acquisition_stop(sdi);
+		sr_dev_acquisition_stop(sdi);
 	} else if (devc->limit_msec && (g_get_monotonic_time() -
 			devc->aq_started) / 1000 >= devc->limit_msec) {
 		sr_info("Requested time limit reached, stopping. %d <= %d",
@@ -717,7 +716,7 @@ static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer)
 		send_data(sdi, devc->sample_buf, devc->samp_received);
 		g_free(devc->sample_buf);
 		devc->sample_buf = NULL;
-		sdi->driver->dev_acquisition_stop(sdi);
+		sr_dev_acquisition_stop(sdi);
 	} else {
 		read_channel(sdi, data_amount(sdi));
 	}
@@ -785,9 +784,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 	struct sr_dev_driver *di = sdi->driver;
 	struct drv_context *drvc = di->context;
 
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR_DEV_CLOSED;
-
 	devc = sdi->priv;
 
 	if (configure_channels(sdi) != SR_OK) {
@@ -817,13 +813,11 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 {
 	struct dev_context *devc;
 
-	if (sdi->status != SR_ST_ACTIVE)
-		return SR_ERR;
-
 	devc = sdi->priv;
 	devc->dev_state = STOPPING;
 
-	g_free(devc->sample_buf); devc->sample_buf = NULL;
+	g_free(devc->sample_buf);
+	devc->sample_buf = NULL;
 
 	return SR_OK;
 }