Backport recent changes from mainline.

[libsigrok.git] / src / scpi / scpi_serial.c

diff --git a/src/scpi/scpi_serial.c b/src/scpi/scpi_serial.c
index 6c4e63c7b9122756c7bfaaf2983d9e80203f4489..23a5e3f02cb31acf784242d418dd1821f36ae57b 100644 (file)
--- a/src/scpi/scpi_serial.c
+++ b/src/scpi/scpi_serial.c
@@ -117,20 +117,15 @@ static int scpi_serial_source_remove(struct sr_session *session, void *priv)
 
 static int scpi_serial_send(void *priv, const char *command)
 {
-       int len, result, written;
+       int result;
        struct scpi_serial *sscpi = priv;
        struct sr_serial_dev_inst *serial = sscpi->serial;
 
-       len = strlen(command);
-       written = 0;
-       while (written < len) {
-               result = serial_write_nonblocking(serial,
-                               command + written, len - written);
-               if (result < 0) {
-                       sr_err("Error while sending SCPI command: '%s'.", command);
-                       return SR_ERR;
-               }
-               written += result;
+       result = serial_write_blocking(serial, command, strlen(command), 0);
+       if (result < 0) {
+               sr_err("Error while sending SCPI command '%s': %d.",
+                       command, result);
+               return SR_ERR;
        }
 
        sr_spew("Successfully sent SCPI command: '%s'.", command);
@@ -158,8 +153,6 @@ static int scpi_serial_read_data(void *priv, char *buf, int maxlen)
                return ret;
 
        if (ret > 0) {
-               sr_spew("Read %d bytes into buffer.", ret);
-
                if (buf[ret - 1] == '\n') {
                        sscpi->got_newline = TRUE;
                        sr_spew("Received terminator");