/*
* This file is part of the sigrok project.
*
- * Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
+ * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <dirent.h>
#include <string.h>
#include <glib.h>
-#include <sigrok.h>
+#include "sigrok.h"
+#include "sigrok-internal.h"
/* The list of loaded plugins lives here. */
-GSList *plugins;
+static GSList *plugins;
/*
* This enumerates which plugin capabilities correspond to user-settable
* options.
*/
/* TODO: This shouldn't be a global. */
-struct sr_hwcap_option sr_hwcap_options[] = {
+SR_API struct sr_hwcap_option sr_hwcap_options[] = {
{SR_HWCAP_SAMPLERATE, SR_T_UINT64, "Sample rate", "samplerate"},
{SR_HWCAP_CAPTURE_RATIO, SR_T_UINT64, "Pre-trigger capture ratio", "captureratio"},
{SR_HWCAP_PATTERN_MODE, SR_T_CHAR, "Pattern generator mode", "patternmode"},
+ {SR_HWCAP_RLE, SR_T_BOOL, "Run Length Encoding", "rle"},
{0, 0, NULL, NULL},
};
#ifdef HAVE_LA_ASIX_SIGMA
extern struct sr_device_plugin asix_sigma_plugin_info;
#endif
+#ifdef HAVE_LA_CHRONOVU_LA8
+extern SR_PRIV struct device_plugin chronovu_la8_plugin_info;
+#endif
#ifdef HAVE_LA_LINK_MSO19
extern struct sr_device_plugin link_mso19_plugin_info;
#endif
extern struct sr_device_plugin alsa_plugin_info;
#endif
-
/* TODO: No linked list needed, this can be a simple array. */
-int load_hwplugins(void)
+SR_PRIV int load_hwplugins(void)
{
#ifdef HAVE_LA_DEMO
plugins = g_slist_append(plugins, (gpointer *)&demo_plugin_info);
#ifdef HAVE_LA_ASIX_SIGMA
plugins = g_slist_append(plugins, (gpointer *)&asix_sigma_plugin_info);
#endif
+#ifdef HAVE_LA_CHRONOVU_LA8
+ plugins = g_slist_append(plugins, (gpointer *)&chronovu_la8_plugin_info);
+#endif
#ifdef HAVE_LA_LINK_MSO19
plugins = g_slist_append(plugins, (gpointer *)&link_mso19_plugin_info);
#endif
plugins = g_slist_append(plugins, (gpointer *)&alsa_plugin_info);
#endif
-
return SR_OK;
}
-GSList *sr_list_hwplugins(void)
+/**
+ * Returns the list of loaded hardware plugins.
+ *
+ * The list of plugins is initialized from sr_init(), and can only be reset
+ * by calling sr_exit().
+ *
+ * @return A GSList of pointers to loaded plugins.
+ */
+SR_API GSList *sr_list_hwplugins(void)
{
+
return plugins;
}
-struct sr_device_instance *sr_device_instance_new(int index, int status,
+/**
+ * Initialize a hardware plugin.
+ *
+ * The specified plugin is initialized, and all devices discovered by the
+ * plugin are instantiated.
+ *
+ * @param plugin The plugin to initialize.
+ *
+ * @return The number of devices found and instantiated by the plugin.
+ */
+SR_API int sr_init_hwplugin(struct sr_device_plugin *plugin)
+{
+ int num_devices, num_probes, i, j;
+ int num_initialized_devices = 0;
+ struct sr_device *device;
+ char **probe_names;
+
+ sr_dbg("initializing %s plugin", plugin->name);
+ num_devices = plugin->init(NULL);
+ for (i = 0; i < num_devices; i++) {
+ num_probes = GPOINTER_TO_INT(
+ plugin->get_device_info(i, SR_DI_NUM_PROBES));
+ probe_names = (char **)plugin->get_device_info(i,
+ SR_DI_PROBE_NAMES);
+
+ if (!probe_names) {
+ sr_warn("hwplugin: %s: plugin %s does not return a "
+ "list of probe names", __func__, plugin->name);
+ continue;
+ }
+
+ device = sr_dev_new(plugin, i);
+ for (j = 0; j < num_probes; j++)
+ sr_dev_probe_add(device, probe_names[j]);
+ num_initialized_devices++;
+ }
+
+ return num_initialized_devices;
+}
+
+SR_PRIV void sr_cleanup_hwplugins(void)
+{
+ struct sr_device_plugin *plugin;
+ GSList *l;
+
+ for (l = plugins; l; l = l->next) {
+ plugin = l->data;
+ if (plugin->cleanup)
+ plugin->cleanup();
+ }
+}
+
+SR_PRIV struct sr_device_instance *sr_device_instance_new(int index, int status,
const char *vendor, const char *model, const char *version)
{
struct sr_device_instance *sdi;
- if (!(sdi = malloc(sizeof(struct sr_device_instance))))
+ if (!(sdi = g_try_malloc(sizeof(struct sr_device_instance)))) {
+ sr_err("hwplugin: %s: sdi malloc failed", __func__);
return NULL;
+ }
sdi->index = index;
sdi->status = status;
sdi->instance_type = -1;
- sdi->vendor = vendor ? strdup(vendor) : strdup("(unknown)");
- sdi->model = model ? strdup(model) : NULL;
- sdi->version = version ? strdup(version) : NULL;
+ sdi->vendor = vendor ? g_strdup(vendor) : NULL;
+ sdi->model = model ? g_strdup(model) : NULL;
+ sdi->version = version ? g_strdup(version) : NULL;
sdi->priv = NULL;
- sdi->usb = NULL;
return sdi;
}
-struct sr_device_instance *sr_get_device_instance(GSList *device_instances,
- int device_index)
+SR_PRIV struct sr_device_instance *sr_get_device_instance(
+ GSList *device_instances, int device_index)
{
struct sr_device_instance *sdi;
GSList *l;
if (sdi->index == device_index)
return sdi;
}
- g_warning("could not find device index %d instance", device_index);
+ sr_warn("could not find device index %d instance", device_index);
return NULL;
}
-void sr_device_instance_free(struct sr_device_instance *sdi)
+SR_PRIV void sr_device_instance_free(struct sr_device_instance *sdi)
{
- switch (sdi->instance_type) {
-#ifdef HAVE_LIBUSB_1_0
- case SR_USB_INSTANCE:
- sr_usb_device_instance_free(sdi->usb);
- break;
-#endif
- case SR_SERIAL_INSTANCE:
- sr_serial_device_instance_free(sdi->serial);
- break;
- default:
- /* No specific type, nothing extra to free. */
- break;
- }
-
- free(sdi->vendor);
- free(sdi->model);
- free(sdi->version);
- free(sdi);
+ g_free(sdi->priv);
+ g_free(sdi->vendor);
+ g_free(sdi->model);
+ g_free(sdi->version);
+ g_free(sdi);
}
#ifdef HAVE_LIBUSB_1_0
-struct sr_usb_device_instance *sr_usb_device_instance_new(uint8_t bus,
+SR_PRIV struct sr_usb_device_instance *sr_usb_device_instance_new(uint8_t bus,
uint8_t address, struct libusb_device_handle *hdl)
{
struct sr_usb_device_instance *udi;
- if (!(udi = malloc(sizeof(struct sr_usb_device_instance))))
+ if (!(udi = g_try_malloc(sizeof(struct sr_usb_device_instance)))) {
+ sr_err("hwplugin: %s: udi malloc failed", __func__);
return NULL;
+ }
udi->bus = bus;
udi->address = address;
return udi;
}
-void sr_usb_device_instance_free(struct sr_usb_device_instance *usb)
+SR_PRIV void sr_usb_device_instance_free(struct sr_usb_device_instance *usb)
{
/* Avoid compiler warnings. */
- usb = usb;
+ (void)usb;
/* Nothing to do for this device instance type. */
}
#endif
-struct sr_serial_device_instance *sr_serial_device_instance_new(
+SR_PRIV struct sr_serial_device_instance *sr_serial_device_instance_new(
const char *port, int fd)
{
struct sr_serial_device_instance *serial;
- if (!(serial = malloc(sizeof(struct sr_serial_device_instance))))
+ if (!(serial = g_try_malloc(sizeof(struct sr_serial_device_instance)))) {
+ sr_err("hwplugin: %s: serial malloc failed", __func__);
return NULL;
+ }
- serial->port = strdup(port);
+ serial->port = g_strdup(port);
serial->fd = fd;
return serial;
}
-void sr_serial_device_instance_free(struct sr_serial_device_instance *serial)
+SR_PRIV void sr_serial_device_instance_free(
+ struct sr_serial_device_instance *serial)
{
- free(serial->port);
+ g_free(serial->port);
}
-int sr_find_hwcap(int *capabilities, int hwcap)
+/**
+ * Find out if a list of hardware plugin capabilities has a specific cap.
+ *
+ * @param capabilities A NULL-terminated integer array of capabilities, as
+ * returned by a plugin's get_capabilities() function.
+ * @param hwcap The capability to find in the list.
+ *
+ * @return Returns TRUE if found, FALSE otherwise.
+ */
+SR_API gboolean sr_has_hwcap(int *capabilities, int hwcap)
{
int i;
return FALSE;
}
-struct sr_hwcap_option *sr_find_hwcap_option(int hwcap)
+/**
+ * Find a hardware plugin capability option parameter structure.
+ *
+ * @param hwcap The capability to find
+ *
+ * @return Returns a struct with information about the parameter, or NULL
+ * if not found.
+ */
+SR_API struct sr_hwcap_option *sr_find_hwcap_option(int hwcap)
{
int i;
/* unnecessary level of indirection follows. */
-void sr_source_remove(int fd)
+SR_PRIV void sr_source_remove(int fd)
{
sr_session_source_remove(fd);
}
-void sr_source_add(int fd, int events, int timeout,
+SR_PRIV void sr_source_add(int fd, int events, int timeout,
sr_receive_data_callback rcv_cb, void *user_data)
{
sr_session_source_add(fd, events, timeout, rcv_cb, user_data);
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