From: Bert Vermeulen <redacted>
Date: Thu, 9 Jan 2014 12:23:32 +0000 (+0100)
Subject: Check device uncompressed memory size before running.
X-Git-Tag: sigrok-cli-0.5.0~48
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=c7a5cb12421c05c2ab3e54472f93531a239ca12c;p=sigrok-cli.git

Check device uncompressed memory size before running.
---

diff --git a/session.c b/session.c
index a8a647a..6f90085 100644
--- a/session.c
+++ b/session.c
@@ -551,6 +551,7 @@ void run_session(void)
 	GHashTable *devargs;
 	GVariant *gvar;
 	struct sr_dev_inst *sdi;
+	uint64_t max_samples;
 	int max_probes, i;
 	char **triggerlist;
 
@@ -629,6 +630,16 @@ void run_session(void)
 			sr_session_destroy();
 			return;
 		}
+		if (sr_config_get(sdi->driver, sdi, NULL,
+				SR_CONF_MAX_UNCOMPRESSED_SAMPLES, &gvar) == SR_OK) {
+			/* The device has no compression, or compression is turned
+			 * off, and publishes its sample memory size. */
+			max_samples = g_variant_get_uint64(gvar);
+			if (limit_samples > max_samples) {
+				g_critical("The device can store only %"PRIu64
+						" samples with the current settings.", max_samples);
+			}
+		}
 		gvar = g_variant_new_uint64(limit_samples);
 		if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
 			g_critical("Failed to configure sample limit.");