From: Lars-Peter Clausen <redacted>
Date: Sun, 1 May 2016 11:53:08 +0000 (+0200)
Subject: korad-kaxxxxp: Use software limit helpers
X-Git-Tag: libsigrok-0.5.0~451
X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=commitdiff_plain;h=597deef91ee5cd4aea17c5beb629526eef176864

korad-kaxxxxp: Use software limit helpers

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

diff --git a/src/hardware/korad-kaxxxxp/api.c b/src/hardware/korad-kaxxxxp/api.c
index f60d0d69..5361908a 100644
--- a/src/hardware/korad-kaxxxxp/api.c
+++ b/src/hardware/korad-kaxxxxp/api.c
@@ -153,6 +153,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
 
 	devc = g_malloc0(sizeof(struct dev_context));
+	sr_sw_limits_init(&devc->limits);
 	devc->model = &models[model_id];
 	devc->reply[5] = 0;
 	devc->req_sent_at = 0;
@@ -191,12 +192,7 @@ static int config_get(uint32_t key, GVariant **data,
 	devc = sdi->priv;
 
 	switch (key) {
-	case SR_CONF_LIMIT_SAMPLES:
-		*data = g_variant_new_uint64(devc->limit_samples);
-		break;
-	case SR_CONF_LIMIT_MSEC:
-		*data = g_variant_new_uint64(devc->limit_msec);
-		break;
+		return sr_sw_limits_config_get(&devc->limits, key, data);
 	case SR_CONF_VOLTAGE:
 		*data = g_variant_new_double(devc->voltage);
 		break;
@@ -245,15 +241,8 @@ static int config_set(uint32_t key, GVariant *data,
 
 	switch (key) {
 	case SR_CONF_LIMIT_MSEC:
-		if (g_variant_get_uint64(data) == 0)
-			return SR_ERR_ARG;
-		devc->limit_msec = g_variant_get_uint64(data);
-		break;
 	case SR_CONF_LIMIT_SAMPLES:
-		if (g_variant_get_uint64(data) == 0)
-			return SR_ERR_ARG;
-		devc->limit_samples = g_variant_get_uint64(data);
-		break;
+		return sr_sw_limits_config_set(&devc->limits, key, data);
 	case SR_CONF_VOLTAGE_TARGET:
 		dval = g_variant_get_double(data);
 		if (dval < devc->model->voltage[0] || dval > devc->model->voltage[1])
@@ -375,10 +364,9 @@ 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);
 
-	devc->starttime = g_get_monotonic_time();
-	devc->num_samples = 0;
 	devc->reply_pending = FALSE;
 	devc->req_sent_at = 0;
 	serial = sdi->conn;
diff --git a/src/hardware/korad-kaxxxxp/protocol.c b/src/hardware/korad-kaxxxxp/protocol.c
index 709805a9..5151e1fa 100644
--- a/src/hardware/korad-kaxxxxp/protocol.c
+++ b/src/hardware/korad-kaxxxxp/protocol.c
@@ -329,7 +329,7 @@ SR_PRIV int korad_kaxxxxp_receive_data(int fd, int revents, void *cb_data)
 	struct sr_serial_dev_inst *serial;
 	struct sr_datafeed_packet packet;
 	struct sr_datafeed_analog_old analog;
-	int64_t t, elapsed_us;
+	uint64_t elapsed_us;
 
 	(void)fd;
 
@@ -363,7 +363,7 @@ SR_PRIV int korad_kaxxxxp_receive_data(int fd, int revents, void *cb_data)
 			analog.mqflags = SR_MQFLAG_DC;
 			analog.data = &devc->voltage;
 			sr_session_send(sdi, &packet);
-			devc->num_samples++;
+			sr_sw_limits_update_samples_read(&devc->limits, 1);
 		}
 		next_measurement(devc);
 	} else {
@@ -376,21 +376,11 @@ SR_PRIV int korad_kaxxxxp_receive_data(int fd, int revents, void *cb_data)
 		}
 	}
 
-	if (devc->limit_samples && (devc->num_samples >= devc->limit_samples)) {
-		sr_info("Requested number of samples reached.");
+	if (sr_sw_limits_check(&devc->limits)) {
 		sdi->driver->dev_acquisition_stop(sdi);
 		return TRUE;
 	}
 
-	if (devc->limit_msec) {
-		t = (g_get_monotonic_time() - devc->starttime) / 1000;
-		if (t > (int64_t)devc->limit_msec) {
-			sr_info("Requested time limit reached.");
-			sdi->driver->dev_acquisition_stop(sdi);
-			return TRUE;
-		}
-	}
-
 	/* Request next packet, if required. */
 	if (sdi->status == SR_ST_ACTIVE) {
 		if (devc->reply_pending) {
diff --git a/src/hardware/korad-kaxxxxp/protocol.h b/src/hardware/korad-kaxxxxp/protocol.h
index 307424a0..e88360e7 100644
--- a/src/hardware/korad-kaxxxxp/protocol.h
+++ b/src/hardware/korad-kaxxxxp/protocol.h
@@ -76,10 +76,7 @@ struct dev_context {
 	const struct korad_kaxxxxp_model *model; /**< Model information. */
 
 	/* Acquisition settings */
-	uint64_t limit_samples;
-	uint64_t limit_msec;
-	uint64_t num_samples;
-	int64_t starttime;
+	struct sr_sw_limits limits;
 	int64_t req_sent_at;
 	gboolean reply_pending;