From: Lars-Peter Clausen <redacted>
Date: Wed, 4 May 2016 12:19:04 +0000 (+0200)
Subject: fluke-dmm: Use software limits helpers
X-Git-Tag: libsigrok-0.5.0~360
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=6aacf011de1f1df3871d99a51fdf3158d736b6b2;p=libsigrok.git

fluke-dmm: Use software limits helpers

Use the new software limit helper functions rather than open-coding their
functionality.

This also fixes the issue that the driver does not reset the limit
statistics in acquisition_start(). It also makes the time limit work, which
previously was only a stub implementation.

Signed-off-by: Lars-Peter Clausen <redacted>
---

diff --git a/src/hardware/fluke-dmm/api.c b/src/hardware/fluke-dmm/api.c
index eba36c54..deca6c9e 100644
--- a/src/hardware/fluke-dmm/api.c
+++ b/src/hardware/fluke-dmm/api.c
@@ -118,6 +118,7 @@ static GSList *fluke_scan(struct sr_dev_driver *di, const char *conn,
 				sdi->model = g_strdup(tokens[0] + 6);
 				sdi->version = g_strdup(tokens[1] + s);
 				devc = g_malloc0(sizeof(struct dev_context));
+				sr_sw_limits_init(&devc->limits);
 				devc->profile = &supported_flukedmm[i];
 				sdi->inst_type = SR_INST_SERIAL;
 				sdi->conn = serial;
@@ -190,19 +191,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 
 	devc = sdi->priv;
 
-	switch (key) {
-	case SR_CONF_LIMIT_MSEC:
-		/* TODO: not yet implemented */
-		devc->limit_msec = g_variant_get_uint64(data);
-		break;
-	case SR_CONF_LIMIT_SAMPLES:
-		devc->limit_samples = g_variant_get_uint64(data);
-		break;
-	default:
-		return SR_ERR_NA;
-	}
-
-	return SR_OK;
+	return sr_sw_limits_config_set(&devc->limits, key, data);
 }
 
 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
@@ -237,6 +226,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 
 	devc = sdi->priv;
 
+	sr_sw_limits_acquisition_start(&devc->limits);
 	std_session_send_df_header(sdi, LOG_PREFIX);
 
 	/* Poll every 100ms, or whenever some data comes in. */
diff --git a/src/hardware/fluke-dmm/fluke-dmm.h b/src/hardware/fluke-dmm/fluke-dmm.h
index 8f1571ce..e85682fb 100644
--- a/src/hardware/fluke-dmm/fluke-dmm.h
+++ b/src/hardware/fluke-dmm/fluke-dmm.h
@@ -49,11 +49,9 @@ struct flukedmm_profile {
 /* Private, per-device-instance driver context. */
 struct dev_context {
 	const struct flukedmm_profile *profile;
-	uint64_t limit_samples;
-	uint64_t limit_msec;
+	struct sr_sw_limits limits;
 
 	/* Runtime. */
-	uint64_t num_samples;
 	char buf[FLUKEDMM_BUFSIZE];
 	int buflen;
 	int64_t cmd_sent_at;
diff --git a/src/hardware/fluke-dmm/fluke.c b/src/hardware/fluke-dmm/fluke.c
index 3629b5f3..3261390d 100644
--- a/src/hardware/fluke-dmm/fluke.c
+++ b/src/hardware/fluke-dmm/fluke.c
@@ -400,8 +400,8 @@ static void handle_qm_19x_data(const struct sr_dev_inst *sdi, char **tokens)
 	packet.type = SR_DF_ANALOG_OLD;
 	packet.payload = &analog;
 	sr_session_send(sdi, &packet);
-	devc->num_samples++;
 
+	sr_sw_limits_update_samples_read(&devc->limits, 1);
 }
 
 static void handle_line(const struct sr_dev_inst *sdi)
@@ -468,7 +468,7 @@ static void handle_line(const struct sr_dev_inst *sdi)
 		packet.type = SR_DF_ANALOG_OLD;
 		packet.payload = analog;
 		sr_session_send(sdi, &packet);
-		devc->num_samples++;
+		sr_sw_limits_update_samples_read(&devc->limits, 1);
 		g_free(analog->data);
 		g_free(analog);
 	}
@@ -508,7 +508,7 @@ SR_PRIV int fluke_receive_data(int fd, int revents, void *cb_data)
 		}
 	}
 
-	if (devc->limit_samples && devc->num_samples >= devc->limit_samples) {
+	if (sr_sw_limits_check(&devc->limits)) {
 		sdi->driver->dev_acquisition_stop(sdi);
 		return TRUE;
 	}