X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fstd.c;h=959d0005680c5d2ebad6abb1637ca28a9221f035;hb=d8fbfcd9d6d66bffcb8607e9de7706ce322d42c7;hp=581e2e467440f7776dc508e5a7d702691062ab92;hpb=82b9f3d116ce0c982291a2dfdd15cd8a1c4cc16e;p=libsigrok.git

diff --git a/src/std.c b/src/std.c
index 581e2e46..959d0005 100644
--- a/src/std.c
+++ b/src/std.c
@@ -195,19 +195,7 @@ SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi)
 	return SR_OK;
 }
 
-/**
- * Standard API helper for sending an SR_DF_END packet.
- *
- * This function can be used to simplify most drivers'
- * dev_acquisition_stop() API callback.
- *
- * @param[in] sdi The device instance to use. Must not be NULL.
- *
- * @retval SR_OK Success.
- * @retval SR_ERR_ARG Invalid argument.
- * @retval other Other error.
- */
-SR_PRIV int std_session_send_df_end(const struct sr_dev_inst *sdi)
+static int send_df_without_payload(const struct sr_dev_inst *sdi, uint16_t packet_type)
 {
 	const char *prefix;
 	int ret;
@@ -220,11 +208,11 @@ SR_PRIV int std_session_send_df_end(const struct sr_dev_inst *sdi)
 
 	prefix = (sdi->driver) ? sdi->driver->name : "unknown";
 
-	packet.type = SR_DF_END;
+	packet.type = packet_type;
 	packet.payload = NULL;
 
 	if ((ret = sr_session_send(sdi, &packet)) < 0) {
-		sr_err("%s: Failed to send SR_DF_END packet: %d.", prefix, ret);
+		sr_err("%s: Failed to send packet of type %d: %d.", prefix, packet_type, ret);
 		return ret;
 	}
 
@@ -232,10 +220,10 @@ SR_PRIV int std_session_send_df_end(const struct sr_dev_inst *sdi)
 }
 
 /**
- * Standard API helper for sending an SR_DF_FRAME_BEGIN packet.
+ * Standard API helper for sending an SR_DF_END packet.
  *
  * This function can be used to simplify most drivers'
- * frame handling.
+ * dev_acquisition_stop() API callback.
  *
  * @param[in] sdi The device instance to use. Must not be NULL.
  *
@@ -243,35 +231,47 @@ SR_PRIV int std_session_send_df_end(const struct sr_dev_inst *sdi)
  * @retval SR_ERR_ARG Invalid argument.
  * @retval other Other error.
  */
-SR_PRIV int std_session_send_frame_begin(const struct sr_dev_inst *sdi)
+SR_PRIV int std_session_send_df_end(const struct sr_dev_inst *sdi)
 {
-	const char *prefix;
-	int ret;
-	struct sr_datafeed_packet packet;
-
-	if (!sdi) {
-		sr_err("%s: Invalid argument.", __func__);
-		return SR_ERR_ARG;
-	}
-
-	prefix = (sdi->driver) ? sdi->driver->name : "unknown";
-
-	packet.type = SR_DF_FRAME_BEGIN;
-	packet.payload = NULL;
+	return send_df_without_payload(sdi, SR_DF_END);
+}
 
-	if ((ret = sr_session_send(sdi, &packet)) < 0) {
-		sr_err("%s: Failed to send SR_DF_FRAME_BEGIN packet: %d.", prefix, ret);
-		return ret;
-	}
+/**
+ * Standard API helper for sending an SR_DF_TRIGGER packet.
+ *
+ * This function can be used to simplify most drivers' trigger handling.
+ *
+ * @param[in] sdi The device instance to use. Must not be NULL.
+ *
+ * @retval SR_OK Success.
+ * @retval SR_ERR_ARG Invalid argument.
+ * @retval other Other error.
+ */
+SR_PRIV int std_session_send_df_trigger(const struct sr_dev_inst *sdi)
+{
+	return send_df_without_payload(sdi, SR_DF_TRIGGER);
+}
 
-	return SR_OK;
+/**
+ * Standard API helper for sending an SR_DF_FRAME_BEGIN packet.
+ *
+ * This function can be used to simplify most drivers' frame handling.
+ *
+ * @param[in] sdi The device instance to use. Must not be NULL.
+ *
+ * @retval SR_OK Success.
+ * @retval SR_ERR_ARG Invalid argument.
+ * @retval other Other error.
+ */
+SR_PRIV int std_session_send_df_frame_begin(const struct sr_dev_inst *sdi)
+{
+	return send_df_without_payload(sdi, SR_DF_FRAME_BEGIN);
 }
 
 /**
  * Standard API helper for sending an SR_DF_FRAME_END packet.
  *
- * This function can be used to simplify most drivers'
- * frame handling.
+ * This function can be used to simplify most drivers' frame handling.
  *
  * @param[in] sdi The device instance to use. Must not be NULL.
  *
@@ -279,28 +279,9 @@ SR_PRIV int std_session_send_frame_begin(const struct sr_dev_inst *sdi)
  * @retval SR_ERR_ARG Invalid argument.
  * @retval other Other error.
  */
-SR_PRIV int std_session_send_frame_end(const struct sr_dev_inst *sdi)
+SR_PRIV int std_session_send_df_frame_end(const struct sr_dev_inst *sdi)
 {
-	const char *prefix;
-	int ret;
-	struct sr_datafeed_packet packet;
-
-	if (!sdi) {
-		sr_err("%s: Invalid argument.", __func__);
-		return SR_ERR_ARG;
-	}
-
-	prefix = (sdi->driver) ? sdi->driver->name : "unknown";
-
-	packet.type = SR_DF_FRAME_END;
-	packet.payload = NULL;
-
-	if ((ret = sr_session_send(sdi, &packet)) < 0) {
-		sr_err("%s: Failed to send SR_DF_FRAME_END packet: %d.", prefix, ret);
-		return ret;
-	}
-
-	return SR_OK;
+	return send_df_without_payload(sdi, SR_DF_FRAME_END);
 }
 
 #ifdef HAVE_SERIAL_COMM
@@ -443,7 +424,7 @@ SR_PRIV int std_dev_clear_with_callback(const struct sr_dev_driver *driver,
 			ret = SR_ERR_BUG;
 			continue;
 		}
-		if (driver->dev_close)
+		if (driver->dev_close && sdi->status == SR_ST_ACTIVE)
 			driver->dev_close(sdi);
 
 		if (sdi->conn) {
@@ -624,7 +605,8 @@ SR_PRIV GVariant *std_gvar_tuple_array(const uint64_t a[][2], unsigned int n)
 		rational[1] = g_variant_new_uint64(a[i][1]);
 
 		/* FIXME: Valgrind reports a memory leak here. */
-		g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2));
+		g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational,
+			ARRAY_SIZE(rational)));
 	}
 
 	return g_variant_builder_end(&gvb);
@@ -643,7 +625,8 @@ SR_PRIV GVariant *std_gvar_tuple_rational(const struct sr_rational *r, unsigned
 		rational[1] = g_variant_new_uint64(r[i].q);
 
 		/* FIXME: Valgrind reports a memory leak here. */
-		g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2));
+		g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational,
+			ARRAY_SIZE(rational)));
 	}
 
 	return g_variant_builder_end(&gvb);
@@ -706,17 +689,17 @@ SR_PRIV GVariant *std_gvar_min_max_step_thresholds(const double min, const doubl
 
 	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
 
-	for (d = min; d <= max; d += step) {
+	for (d = min; d <= max + step / 2.0; d += step) {
 		/*
 		 * We will never see exactly 0.0 because of the error we're
 		 * accumulating, so catch the "zero" value and force it to be 0.
 		 */
-		v = ((d > (-step / 2)) && (d < (step / 2))) ? 0 : d;
+		v = ((d > (-step / 2.0)) && (d < (step / 2.0))) ? 0 : d;
 
 		range[0] = g_variant_new_double(v);
 		range[1] = g_variant_new_double(v);
 
-		gvar = g_variant_new_tuple(range, 2);
+		gvar = g_variant_new_tuple(range, ARRAY_SIZE(range));
 		g_variant_builder_add_value(&gvb, gvar);
 	}
 
@@ -730,7 +713,7 @@ SR_PRIV GVariant *std_gvar_tuple_u64(uint64_t low, uint64_t high)
 	range[0] = g_variant_new_uint64(low);
 	range[1] = g_variant_new_uint64(high);
 
-	return g_variant_new_tuple(range, 2);
+	return g_variant_new_tuple(range, ARRAY_SIZE(range));
 }
 
 SR_PRIV GVariant *std_gvar_tuple_double(double low, double high)
@@ -740,7 +723,7 @@ SR_PRIV GVariant *std_gvar_tuple_double(double low, double high)
 	range[0] = g_variant_new_double(low);
 	range[1] = g_variant_new_double(high);
 
-	return g_variant_new_tuple(range, 2);
+	return g_variant_new_tuple(range, ARRAY_SIZE(range));
 }
 
 SR_PRIV GVariant *std_gvar_array_i32(const int32_t a[], unsigned int n)
@@ -789,7 +772,7 @@ SR_PRIV GVariant *std_gvar_thresholds(const double a[][2], unsigned int n)
 	for (i = 0; i < n; i++) {
 		range[0] = g_variant_new_double(a[i][0]);
 		range[1] = g_variant_new_double(a[i][1]);
-		gvar = g_variant_new_tuple(range, 2);
+		gvar = g_variant_new_tuple(range, ARRAY_SIZE(range));
 		g_variant_builder_add_value(&gvb, gvar);
 	}
 
@@ -947,3 +930,12 @@ SR_PRIV int std_dummy_set_params(struct sr_serial_dev_inst *serial,
 	return SR_OK;
 }
 
+SR_PRIV int std_dummy_set_handshake(struct sr_serial_dev_inst *serial,
+	int rts, int dtr)
+{
+	(void)serial;
+	(void)rts;
+	(void)dtr;
+
+	return SR_OK;
+}