X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fkern-scale%2Fapi.c;h=e369a44cf5e585722dbec8acf544b8a90b8119e8;hb=a0ba75bda2d1a8d3502f365a2a2a7461a68149fc;hp=dea9c35291ccbf2b202ceb5fc46df9b675ebd74a;hpb=dd7a72ea697a172032f5473b0ddff5e8d47222f4;p=libsigrok.git

diff --git a/src/hardware/kern-scale/api.c b/src/hardware/kern-scale/api.c
index dea9c352..e369a44c 100644
--- a/src/hardware/kern-scale/api.c
+++ b/src/hardware/kern-scale/api.c
@@ -82,7 +82,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 	serial_flush(serial);
 
 	sr_spew("Set O1 mode (continuous values, stable and unstable ones).");
-	if (serial_write_nonblocking(serial, "O1\r\n", 4) != 4)
+	if (serial_write_blocking(serial, "O1\r\n", 4, 0) < 0)
 		goto scan_cleanup;
 	/* Device replies with "A00\r\n" (OK) or "E01\r\n" (Error). Ignore. */
 
@@ -140,7 +140,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 	serial = sdi->conn;
 
 	sr_spew("Set O1 mode (continuous values, stable and unstable ones).");
-	if (serial_write_nonblocking(serial, "O1\r\n", 4) != 4)
+	if (serial_write_blocking(serial, "O1\r\n", 4, 0) < 0)
 		return SR_ERR;
 	/* Device replies with "A00\r\n" (OK) or "E01\r\n" (Error). Ignore. */