SCPI: add sr_scpi_write_data()

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

diff --git a/src/scpi/scpi_tcp.c b/src/scpi/scpi_tcp.c
index a4cb694239d303ca20a5242a13d25c63468b86ed..c01cc5606f62a57a627fd5c895a230cb262d294c 100644 (file)
--- a/src/scpi/scpi_tcp.c
+++ b/src/scpi/scpi_tcp.c
@@ -183,6 +183,21 @@ static int scpi_tcp_raw_read_data(void *priv, char *buf, int maxlen)
        return len;
 }
 
+static int scpi_tcp_raw_write_data(void *priv, char *buf, int len)
+{
+       struct scpi_tcp *tcp = priv;
+       int sentlen;
+
+       sentlen = send(tcp->socket, buf, len, 0);
+
+       if (sentlen < 0) {
+               sr_err("Send error: %s.", g_strerror(errno));
+               return SR_ERR;
+       }
+
+       return sentlen;
+}
+
 static int scpi_tcp_rigol_read_data(void *priv, char *buf, int maxlen)
 {
        struct scpi_tcp *tcp = priv;
@@ -256,6 +271,7 @@ SR_PRIV const struct sr_scpi_dev_inst scpi_tcp_raw_dev = {
        .send          = scpi_tcp_send,
        .read_begin    = scpi_tcp_read_begin,
        .read_data     = scpi_tcp_raw_read_data,
+       .write_data    = scpi_tcp_raw_write_data,
        .read_complete = scpi_tcp_read_complete,
        .close         = scpi_tcp_close,
        .free          = scpi_tcp_free,