norma-dmm: Fix blocking serial write timeout.

[libsigrok.git] / src / hardware / norma-dmm / api.c

diff --git a/src/hardware/norma-dmm/api.c b/src/hardware/norma-dmm/api.c
index 284ecf37b79483f60b6892cc2050f5c8d563bb97..6dc9ed87da25ffe21b512ff36a16ad8edff78f6f 100644 (file)
--- a/src/hardware/norma-dmm/api.c
+++ b/src/hardware/norma-dmm/api.c
@@ -120,7 +120,8 @@ static GSList *scan(struct sr_dev_driver *drv, GSList *options)
                 nmadmm_requests[NMADMM_REQ_IDN].req_str);
        g_usleep(150 * 1000); /* Wait a little to allow serial port to settle. */
        for (cnt = 0; cnt < 7; cnt++) {
-               if (serial_write_blocking(serial, req, strlen(req), 0) < 0) {
+               if (serial_write_blocking(serial, req, strlen(req),
+                               serial_timeout(serial, strlen(req))) < 0) {
                        sr_err("Unable to send identification request.");
                        return NULL;
                }