rigol-ds: add PROBE_FACTOR support.

[libsigrok.git] / src / hardware / rigol-ds / protocol.c

diff --git a/src/hardware/rigol-ds/protocol.c b/src/hardware/rigol-ds/protocol.c
index 140963a8a78e421f91cc7fa455c78bb821fd5c2d..0a60957cf1eff338b3deeea18ee35e3ac8885e01 100644 (file)
--- a/src/hardware/rigol-ds/protocol.c
+++ b/src/hardware/rigol-ds/protocol.c
@@ -813,6 +813,18 @@ SR_PRIV int rigol_ds_get_dev_cfg(const struct sr_dev_inst *sdi)
                return SR_ERR;
        sr_dbg("Current timebase %g", devc->timebase);
 
+       /* Probe attenuation. */
+       for (i = 0; i < devc->model->analog_channels; i++) {
+               cmd = g_strdup_printf(":CHAN%d:PROB?", i + 1);
+               res = sr_scpi_get_float(sdi->conn, cmd, &devc->attenuation[i]);
+               g_free(cmd);
+               if (res != SR_OK)
+                       return SR_ERR;
+       }
+       sr_dbg("Current probe attenuation:");
+       for (i = 0; i < devc->model->analog_channels; i++)
+               sr_dbg("CH%d %g", i + 1, devc->attenuation[i]);
+
        /* Vertical gain and offset. */
        if (rigol_ds_get_dev_cfg_vertical(sdi) != SR_OK)
                return SR_ERR;