Open virtual device before loading file

[libsigrok.git] / device.c

diff --git a/device.c b/device.c
index 0a78a802e3c7f14f9cf90dda983c358504ac64ac..f26a1431d7df077f72a188f0dcd86fa1729a052f 100644 (file)
--- a/device.c
+++ b/device.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>
  *
@@ -79,6 +79,8 @@ SR_PRIV struct sr_probe *sr_probe_new(int index, int type,
  *             of the string is made.
  *
  * @return SR_OK on success, or SR_ERR_ARG on invalid arguments.
+ *
+ * @since 0.1.0 (but the API changed in 0.2.0)
  */
 SR_API int sr_dev_probe_name_set(const struct sr_dev_inst *sdi,
                int probenum, const char *name)
@@ -114,6 +116,8 @@ SR_API int sr_dev_probe_name_set(const struct sr_dev_inst *sdi,
  * @param state TRUE to enable the probe, FALSE to disable.
  *
  * @return SR_OK on success, or SR_ERR_ARG on invalid arguments.
+ *
+ * @since 0.2.0
  */
 SR_API int sr_dev_probe_enable(const struct sr_dev_inst *sdi, int probenum,
                gboolean state)
@@ -149,6 +153,8 @@ SR_API int sr_dev_probe_enable(const struct sr_dev_inst *sdi, int probenum,
  * @param trigger Trigger string, in the format used by sigrok-cli
  *
  * @return SR_OK on success, or SR_ERR_ARG on invalid arguments.
+ *
+ * @since 0.1.0 (but the API changed in 0.2.0)
  */
 SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int probenum,
                const char *trigger)
@@ -189,6 +195,8 @@ SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int probenum,
  * @return TRUE if the device has the specified option, FALSE otherwise.
  *         FALSE is also returned on invalid input parameters or other
  *         error conditions.
+ *
+ * @since 0.1.0 (but the API changed in 0.2.0)
  */
 SR_API gboolean sr_dev_has_option(const struct sr_dev_inst *sdi, int key)
 {
@@ -235,6 +243,7 @@ SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status,
        sdi->model = model ? g_strdup(model) : NULL;
        sdi->version = version ? g_strdup(version) : NULL;
        sdi->probes = NULL;
+       sdi->conn = NULL;
        sdi->priv = NULL;
 
        return sdi;
@@ -257,7 +266,6 @@ SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi)
        g_free(sdi->model);
        g_free(sdi->version);
        g_free(sdi);
-
 }
 
 #ifdef HAVE_LIBUSB_1_0
@@ -290,17 +298,21 @@ SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb)
 
 #endif
 
-/** @private
- * @param pathname OS-specific serial port specification. Examples:
- * "/dev/ttyUSB0", "/dev/ttyACM1", "/dev/tty.Modem-0", "COM1".
- * @param serialcomm A serial communication parameters string, in the form
- * of <speed>/<data bits><parity><stopbits>, for example "9600/8n1" or
- * "600/7o2". This is an optional parameter; it may be filled in later.
- * @return A pointer to a newly initialized struct sr_serial_dev_inst,
- * or NULL on error.
+/**
+ * @private
  *
  * Both parameters are copied to newly allocated strings, and freed
  * automatically by sr_serial_dev_inst_free().
+ *
+ * @param pathname OS-specific serial port specification. Examples:
+ *                 "/dev/ttyUSB0", "/dev/ttyACM1", "/dev/tty.Modem-0", "COM1".
+ * @param serialcomm A serial communication parameters string, in the form
+ *                   of <speed>/<data bits><parity><stopbits>, for example
+ *                   "9600/8n1" or "600/7o2". This is an optional parameter;
+ *                   it may be filled in later.
+ *
+ * @return A pointer to a newly initialized struct sr_serial_dev_inst,
+ *         or NULL on error.
  */
 SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
                const char *serialcomm)
@@ -333,7 +345,7 @@ SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial)
        g_free(serial);
 }
 
-SR_API GSList *sr_dev_inst_list(const struct sr_dev_driver *driver)
+SR_API GSList *sr_dev_list(const struct sr_dev_driver *driver)
 {
        if (driver && driver->dev_list)
                return driver->dev_list();
@@ -341,7 +353,7 @@ SR_API GSList *sr_dev_inst_list(const struct sr_dev_driver *driver)
                return NULL;
 }
 
-SR_API int sr_dev_inst_clear(const struct sr_dev_driver *driver)
+SR_API int sr_dev_clear(const struct sr_dev_driver *driver)
 {
        if (driver && driver->dev_clear)
                return driver->dev_clear();
@@ -349,4 +361,28 @@ SR_API int sr_dev_inst_clear(const struct sr_dev_driver *driver)
                return SR_OK;
 }
 
+SR_API int sr_dev_open(struct sr_dev_inst *sdi)
+{
+       int ret;
+
+       if (!sdi || !sdi->driver || !sdi->driver->dev_open)
+               return SR_ERR;
+
+       ret = sdi->driver->dev_open(sdi);
+
+       return ret;
+}
+
+SR_API int sr_dev_close(struct sr_dev_inst *sdi)
+{
+       int ret;
+
+       if (!sdi || !sdi->driver || !sdi->driver->dev_close)
+               return SR_ERR;
+
+       ret = sdi->driver->dev_close(sdi);
+
+       return ret;
+}
+
 /** @} */