uni-t-dmm: Add support for the Voltcraft VC-840.

[libsigrok.git] / hwdriver.c

diff --git a/hwdriver.c b/hwdriver.c
index 25d92b68a9d7b95543820e7624750e7e663ab120..e9a15c1a6f6a5cf9c270c67e2f7c4f9ffb3c795b 100644 (file)
--- a/hwdriver.c
+++ b/hwdriver.c
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
  *
  * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
  *
@@ -160,11 +160,14 @@ extern SR_PRIV struct sr_dev_driver radioshack_22_805_driver_info;
 extern SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info;
 extern SR_PRIV struct sr_dev_driver voltcraft_vc820_ser_driver_info;
 extern SR_PRIV struct sr_dev_driver voltcraft_vc840_ser_driver_info;
+extern SR_PRIV struct sr_dev_driver uni_t_ut61d_ser_driver_info;
 extern SR_PRIV struct sr_dev_driver uni_t_ut61e_ser_driver_info;
 #endif
 #ifdef HAVE_HW_UNI_T_DMM
 extern SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
+extern SR_PRIV struct sr_dev_driver uni_t_ut61e_driver_info;
 extern SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
+extern SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info;
 #endif
 /** @endcond */
 
@@ -242,11 +245,14 @@ static struct sr_dev_driver *drivers_list[] = {
        &radioshack_22_812_driver_info,
        &voltcraft_vc820_ser_driver_info,
        &voltcraft_vc840_ser_driver_info,
+       &uni_t_ut61d_ser_driver_info,
        &uni_t_ut61e_ser_driver_info,
 #endif
 #ifdef HAVE_HW_UNI_T_DMM
        &uni_t_ut61d_driver_info,
+       &uni_t_ut61e_driver_info,
        &voltcraft_vc820_driver_info,
+       &voltcraft_vc840_driver_info,
 #endif
        NULL,
 };
@@ -410,6 +416,9 @@ SR_API int sr_config_get(const struct sr_dev_driver *driver, int key,
        if (!driver || !data)
                return SR_ERR;
 
+       if (!driver->config_get)
+               return SR_ERR_ARG;
+
        if ((ret = driver->config_get(key, data, sdi)) == SR_OK) {
                /* Got a floating reference from the driver. Sink it here,
                 * caller will need to unref when done with it. */
@@ -474,8 +483,10 @@ SR_API int sr_config_list(const struct sr_dev_driver *driver, int key,
 {
        int ret;
 
-       if (!driver || !data || !driver->config_list)
+       if (!driver || !data)
                ret = SR_ERR;
+       else if (!driver->config_list)
+               ret = SR_ERR_ARG;
        else if ((ret = driver->config_list(key, data, sdi)) == SR_OK)
                g_variant_ref_sink(*data);