X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fmodbus%2Fmodbus_serial_rtu.c;h=ae76e7cf769edf2e14c7dd3d8489ab44467c521a;hb=379e95c587e1d76eb5d6d1a144b938e6a4916b1f;hp=21205d941163d6544602e66b44a9d90d5f73fabc;hpb=b5df922e4fbe30d04882658778d2900939e869fe;p=libsigrok.git

diff --git a/src/modbus/modbus_serial_rtu.c b/src/modbus/modbus_serial_rtu.c
index 21205d94..ae76e7cf 100644
--- a/src/modbus/modbus_serial_rtu.c
+++ b/src/modbus/modbus_serial_rtu.c
@@ -109,18 +109,18 @@ static int modbus_serial_rtu_send(void *priv,
 	uint8_t slave_addr = modbus->slave_addr;
 	uint16_t crc;
 
-	result = serial_write_nonblocking(serial, &slave_addr, sizeof(slave_addr));
+	result = serial_write_blocking(serial, &slave_addr, sizeof(slave_addr), 0);
 	if (result < 0)
 		return result;
 
-	result = serial_write_nonblocking(serial, buffer, buffer_size);
+	result = serial_write_blocking(serial, buffer, buffer_size, 0);
 	if (result < 0)
 		return result;
 
 	crc = modbus_serial_rtu_crc(0xFFFF, &slave_addr, sizeof(slave_addr));
 	crc = modbus_serial_rtu_crc(crc, buffer, buffer_size);
 
-	result = serial_write_nonblocking(serial, &crc, sizeof(crc));
+	result = serial_write_blocking(serial, &crc, sizeof(crc), 0);
 	if (result < 0)
 		return result;