ols: more robust device reset in acquisition stop

[libsigrok.git] / src / hardware / gwinstek-gpd / protocol.c

diff --git a/src/hardware/gwinstek-gpd/protocol.c b/src/hardware/gwinstek-gpd/protocol.c
index a054e91be962223a6ef58cde0c88eeeacdb300f7..e69995902cfe82a4ee95c50800d456dfadf1f065 100644 (file)
--- a/src/hardware/gwinstek-gpd/protocol.c
+++ b/src/hardware/gwinstek-gpd/protocol.c
@@ -51,9 +51,9 @@ SR_PRIV int gpd_receive_reply(struct sr_serial_dev_inst *serial, char *buf,
 {
        int l_recv = 0, bufpos = 0, retc, l_startpos = 0, lines = 1;
        gint64 start, remaining;
-       const int timeout_ms = 100;
+       const int timeout_ms = 250;
 
-       if (!serial || (lines <= 0) || !buf || (buflen <= 0))
+       if (!serial || !buf || (buflen <= 0))
                return SR_ERR_ARG;
 
        start = g_get_monotonic_time();
@@ -69,7 +69,7 @@ SR_PRIV int gpd_receive_reply(struct sr_serial_dev_inst *serial, char *buf,
                if (bufpos == 0 && buf[bufpos] == '\n')
                        continue;
 
-               if (buf[bufpos] == '\n') {
+               if (buf[bufpos] == '\n' || buf[bufpos] == '\r') {
                        buf[bufpos] = '\0';
                        sr_dbg("Received line '%s'.", &buf[l_startpos]);
                        buf[bufpos] = '\n';
@@ -175,6 +175,7 @@ SR_PRIV int gpd_receive_data(int fd, int revents, void *cb_data)
                        }
 
                        devc->reply_pending = FALSE;
+                       sr_sw_limits_update_samples_read(&devc->limits, 1);
                }
        } else {
                if (!devc->reply_pending) {