X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Ffluke-dmm%2Ffluke.c;h=f86b7d7b17108a7241388188f35ee3b0e4699f54;hb=145d794facd93b182e6c85d7613ce2e6d9a66d48;hp=242843dfc58f57316494fb2a663ed3bf21524d56;hpb=707fa85ad5fa7e3f74dbb6863891e80a26126b25;p=libsigrok.git

diff --git a/src/hardware/fluke-dmm/fluke.c b/src/hardware/fluke-dmm/fluke.c
index 242843df..f86b7d7b 100644
--- a/src/hardware/fluke-dmm/fluke.c
+++ b/src/hardware/fluke-dmm/fluke.c
@@ -456,9 +456,8 @@ static void handle_line(const struct sr_dev_inst *sdi)
 					/* Slip the request in now, before the main
 					 * timer loop asks for metadata again. */
 					n = sprintf(cmd, "QM %d\r", devc->meas_type);
-					if (serial_write(serial, cmd, n) == -1)
-						sr_err("Unable to send QM (measurement): %s.",
-								strerror(errno));
+					if (serial_write_blocking(serial, cmd, n, SERIAL_WRITE_TIMEOUT_MS) < 0)
+						sr_err("Unable to send QM (measurement).");
 				}
 			} else {
 				/* Response to QM <n> measurement request. */
@@ -526,8 +525,8 @@ SR_PRIV int fluke_receive_data(int fd, int revents, void *cb_data)
 	 * out-of-sync or temporary disconnect issues. */
 	if ((devc->expect_response == FALSE && elapsed > devc->profile->poll_period)
 			|| elapsed > devc->profile->timeout) {
-		if (serial_write(serial, "QM\r", 3) == -1)
-			sr_err("Unable to send QM: %s.", strerror(errno));
+		if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0)
+			sr_err("Unable to send QM.");
 		devc->cmd_sent_at = now;
 		devc->expect_response = TRUE;
 	}