X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fcolead-slm%2Fprotocol.c;h=182c77bb4b4e7a98a20fe5fcee6a56e2226c2a4a;hb=9e6d9bee2a6771aab111ad95140caf520310b109;hp=6b89ea14f512aeb9202e74f8f5e5a424801c0c7b;hpb=c9fc06d7f0b13798f9ce6f4187c0a676aa32a4d0;p=libsigrok.git

diff --git a/src/hardware/colead-slm/protocol.c b/src/hardware/colead-slm/protocol.c
index 6b89ea14..182c77bb 100644
--- a/src/hardware/colead-slm/protocol.c
+++ b/src/hardware/colead-slm/protocol.c
@@ -184,7 +184,7 @@ SR_PRIV int colead_slm_receive_data(int fd, int revents, void *cb_data)
 	const struct sr_dev_inst *sdi;
 	struct dev_context *devc;
 	struct sr_serial_dev_inst *serial;
-	int len;
+	int delay_ms, len;
 	char buf[128];
 
 	(void)fd;
@@ -207,8 +207,9 @@ SR_PRIV int colead_slm_receive_data(int fd, int revents, void *cb_data)
 			 * we don't want it. */
 			return TRUE;
 		/* Got 0x10, "measurement ready". */
-		if (serial_write_blocking(serial, "\x20", 1) == -1)
-			sr_err("unable to send command: %s", strerror(errno));
+		delay_ms = serial_timeout(serial, 1);
+		if (serial_write_blocking(serial, "\x20", 1, delay_ms) < 1)
+			sr_err("unable to send command");
 		else {
 			devc->state = COMMAND_SENT;
 			devc->buflen = 0;