X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fcolead-slm%2Fprotocol.c;h=6b89ea14f512aeb9202e74f8f5e5a424801c0c7b;hb=c9fc06d7f0b13798f9ce6f4187c0a676aa32a4d0;hp=ef58ab73c484ae8c02340060e946a9f1e9483df8;hpb=9a10ce65d62526a24cbca2ee9e1cf55e132d6f7a;p=libsigrok.git

diff --git a/src/hardware/colead-slm/protocol.c b/src/hardware/colead-slm/protocol.c
index ef58ab73..6b89ea14 100644
--- a/src/hardware/colead-slm/protocol.c
+++ b/src/hardware/colead-slm/protocol.c
@@ -201,20 +201,20 @@ SR_PRIV int colead_slm_receive_data(int fd, int revents, void *cb_data)
 
 	serial = sdi->conn;
 	if (devc->state == IDLE) {
-		if (serial_read(serial, buf, 128) != 1 || buf[0] != 0x10)
+		if (serial_read_nonblocking(serial, buf, 128) != 1 || buf[0] != 0x10)
 			/* Nothing there, or caught the tail end of a previous packet,
 			 * or some garbage. Unless it's a single "data ready" byte,
 			 * we don't want it. */
 			return TRUE;
 		/* Got 0x10, "measurement ready". */
-		if (serial_write(serial, "\x20", 1) == -1)
+		if (serial_write_blocking(serial, "\x20", 1) == -1)
 			sr_err("unable to send command: %s", strerror(errno));
 		else {
 			devc->state = COMMAND_SENT;
 			devc->buflen = 0;
 		}
 	} else {
-		len = serial_read(serial, devc->buf + devc->buflen,
+		len = serial_read_nonblocking(serial, devc->buf + devc->buflen,
 				10 - devc->buflen);
 		if (len < 1)
 			return TRUE;