X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fmodbus%2Fmodbus_serial_rtu.c;h=ae76e7cf769edf2e14c7dd3d8489ab44467c521a;hb=56c8dd821e7d8ab3602e5fd001f56d91d7b42df3;hp=2cb589b9b8cb2d21e9b5bf932bdb60cb7bda8716;hpb=6ec6c43b4738dbc7091f4a49a4ec80ea6102cb52;p=libsigrok.git

diff --git a/src/modbus/modbus_serial_rtu.c b/src/modbus/modbus_serial_rtu.c
index 2cb589b9..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;
 
@@ -152,11 +152,11 @@ static int modbus_serial_rtu_read_data(void *priv, uint8_t *buf, int maxlen)
 	struct modbus_serial_rtu *modbus = priv;
 	int ret;
 
-	ret = serial_read_nonblocking(modbus->serial, buf, maxlen); 
+	ret = serial_read_nonblocking(modbus->serial, buf, maxlen);
 	if (ret < 0)
 		return ret;
-	modbus->crc = modbus_serial_rtu_crc(modbus->crc, buf, ret); 
-	return ret; 
+	modbus->crc = modbus_serial_rtu_crc(modbus->crc, buf, ret);
+	return ret;
 }
 
 static int modbus_serial_rtu_read_end(void *priv)