/*
* 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
#include <dirent.h>
#include <string.h>
#include <glib.h>
-#include <gmodule.h>
#include "sigrok.h"
+#include "sigrok-internal.h"
-source_callback_add source_cb_add = NULL;
-source_callback_remove source_cb_remove = NULL;
-
-/* the list of loaded plugins lives here */
-GSList *plugins;
+/*
+ * This enumerates which plugin capabilities correspond to user-settable
+ * options.
+ */
+/* TODO: This shouldn't be a global. */
+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},
+};
-/* this enumerates which plugin capabilities correspond to user-settable options */
-struct hwcap_option hwcap_options[] = {
- { HWCAP_SAMPLERATE, T_UINT64, "Sample rate", "samplerate" },
- { 0, 0, NULL, NULL }
+#ifdef HAVE_LA_DEMO
+extern SR_PRIV struct sr_dev_plugin demo_plugin_info;
+#endif
+#ifdef HAVE_LA_SALEAE_LOGIC
+extern SR_PRIV struct sr_dev_plugin saleae_logic_plugin_info;
+#endif
+#ifdef HAVE_LA_OLS
+extern SR_PRIV struct sr_dev_plugin ols_plugin_info;
+#endif
+#ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE
+extern SR_PRIV struct sr_dev_plugin zeroplus_logic_cube_plugin_info;
+#endif
+#ifdef HAVE_LA_ASIX_SIGMA
+extern SR_PRIV struct sr_dev_plugin asix_sigma_plugin_info;
+#endif
+#ifdef HAVE_LA_CHRONOVU_LA8
+extern SR_PRIV struct sr_dev_plugin chronovu_la8_plugin_info;
+#endif
+#ifdef HAVE_LA_LINK_MSO19
+extern SR_PRIV struct sr_dev_plugin link_mso19_plugin_info;
+#endif
+#ifdef HAVE_LA_ALSA
+extern SR_PRIV struct sr_dev_plugin alsa_plugin_info;
+#endif
+#ifdef HAVE_LA_FX2LAFW
+extern SR_PRIV struct sr_dev_plugin fx2lafw_plugin_info;
+#endif
+
+static struct sr_dev_plugin *plugins_list[] = {
+#ifdef HAVE_LA_DEMO
+ &demo_plugin_info,
+#endif
+#ifdef HAVE_LA_SALEAE_LOGIC
+ &saleae_logic_plugin_info,
+#endif
+#ifdef HAVE_LA_OLS
+ &ols_plugin_info,
+#endif
+#ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE
+ &zeroplus_logic_cube_plugin_info,
+#endif
+#ifdef HAVE_LA_ASIX_SIGMA
+ &asix_sigma_plugin_info,
+#endif
+#ifdef HAVE_LA_CHRONOVU_LA8
+ &chronovu_la8_plugin_info,
+#endif
+#ifdef HAVE_LA_LINK_MSO19
+ &link_mso19_plugin_info,
+#endif
+#ifdef HAVE_LA_ALSA
+ &alsa_plugin_info,
+#endif
+#ifdef HAVE_LA_FX2LAFW
+ &fx2lafw_plugin_info,
+#endif
+ NULL,
};
-extern struct device_plugin saleae_logic_plugin_info;
-extern struct device_plugin ols_plugin_info;
-extern struct device_plugin zeroplus_logic_cube_plugin_info;
+/**
+ * Return 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 Pointer to the NULL-terminated list of hardware plugin pointers.
+ */
+SR_API struct sr_dev_plugin **sr_hw_list(void)
+{
+ return plugins_list;
+}
-int load_hwplugins(void)
+/**
+ * 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_hw_init(struct sr_dev_plugin *plugin)
{
- plugins = g_slist_append(plugins, (gpointer *)&saleae_logic_plugin_info);
- plugins = g_slist_append(plugins, (gpointer *)&ols_plugin_info);
- plugins = g_slist_append(plugins, (gpointer *)&zeroplus_logic_cube_plugin_info);
+ int num_devs, num_probes, i, j;
+ int num_initialized_devs = 0;
+ struct sr_dev *dev;
+ char **probe_names;
+
+ sr_dbg("initializing %s plugin", plugin->name);
+ num_devs = plugin->init(NULL);
+ for (i = 0; i < num_devs; i++) {
+ num_probes = GPOINTER_TO_INT(
+ plugin->dev_info_get(i, SR_DI_NUM_PROBES));
+ probe_names = (char **)plugin->dev_info_get(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;
+ }
- return SIGROK_OK;
-}
+ dev = sr_dev_new(plugin, i);
+ for (j = 0; j < num_probes; j++)
+ sr_dev_probe_add(dev, probe_names[j]);
+ num_initialized_devs++;
+ }
+ return num_initialized_devs;
+}
-GSList *list_hwplugins(void)
+SR_PRIV void sr_hw_cleanup_all(void)
{
+ int i;
+ struct sr_dev_plugin **plugins;
- return plugins;
+ plugins = sr_hw_list();
+ for (i = 0; plugins[i]; i++) {
+ if (plugins[i]->cleanup)
+ plugins[i]->cleanup();
+ }
}
-
-struct sigrok_device_instance *sigrok_device_instance_new(int index, int status,
- char *vendor, char *model, char *version)
+SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status,
+ const char *vendor, const char *model, const char *version)
{
- struct sigrok_device_instance *sdi;
+ struct sr_dev_inst *sdi;
- sdi = malloc(sizeof(struct sigrok_device_instance));
- if(!sdi)
+ if (!(sdi = g_try_malloc(sizeof(struct sr_dev_inst)))) {
+ sr_err("hwplugin: %s: sdi malloc failed", __func__);
return NULL;
+ }
sdi->index = index;
sdi->status = status;
- sdi->instance_type = -1;
- sdi->vendor = strdup(vendor);
- sdi->model = strdup(model);
- sdi->version = strdup(version);
- sdi->usb = NULL;
+ sdi->inst_type = -1;
+ sdi->vendor = vendor ? g_strdup(vendor) : NULL;
+ sdi->model = model ? g_strdup(model) : NULL;
+ sdi->version = version ? g_strdup(version) : NULL;
+ sdi->priv = NULL;
return sdi;
}
-
-struct sigrok_device_instance *get_sigrok_device_instance(GSList *device_instances, int device_index)
+SR_PRIV struct sr_dev_inst *sr_dev_inst_get(GSList *dev_insts, int dev_index)
{
- struct sigrok_device_instance *sdi;
+ struct sr_dev_inst *sdi;
GSList *l;
- sdi = NULL;
- for(l = device_instances; l; l = l->next) {
- sdi = (struct sigrok_device_instance *) (l->data);
- if(sdi->index == device_index)
+ for (l = dev_insts; l; l = l->next) {
+ sdi = (struct sr_dev_inst *)(l->data);
+ if (sdi->index == dev_index)
return sdi;
}
- g_warning("could not find device index %d instance", device_index);
+ sr_warn("could not find device index %d instance", dev_index);
return NULL;
}
-
-void sigrok_device_instance_free(struct sigrok_device_instance *sdi)
+SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi)
{
-
- switch(sdi->instance_type) {
- case USB_INSTANCE:
- usb_device_instance_free(sdi->usb);
- break;
- case SERIAL_INSTANCE:
- serial_device_instance_free(sdi->serial);
- break;
- /* no specific type, nothing extra to free */
- }
-
- 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 usb_device_instance *usb_device_instance_new(uint8_t bus, uint8_t address,
- struct libusb_device_handle *hdl)
+SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
+ uint8_t address, struct libusb_device_handle *hdl)
{
- struct usb_device_instance *udi;
+ struct sr_usb_dev_inst *udi;
- udi = malloc(sizeof(struct usb_device_instance));
- if(!udi)
+ if (!(udi = g_try_malloc(sizeof(struct sr_usb_dev_inst)))) {
+ sr_err("hwplugin: %s: udi malloc failed", __func__);
return NULL;
+ }
udi->bus = bus;
udi->address = address;
- udi->devhdl = hdl;
+ udi->devhdl = hdl; /* TODO: Check if this is NULL? */
return udi;
}
-
-void usb_device_instance_free(struct usb_device_instance *usb)
+SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb)
{
+ /* Avoid compiler warnings. */
+ (void)usb;
- /* nothing to do for this device instance type */
-
+ /* Nothing to do for this device instance type. */
}
+#endif
-struct serial_device_instance *serial_device_instance_new(char *port, int fd)
+SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
+ int fd)
{
- struct serial_device_instance *serial;
+ struct sr_serial_dev_inst *serial;
- serial = malloc(sizeof(struct serial_device_instance));
- if(!serial)
+ if (!(serial = g_try_malloc(sizeof(struct sr_serial_dev_inst)))) {
+ 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 serial_device_instance_free(struct serial_device_instance *serial)
+SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial)
{
-
- free(serial->port);
-
+ g_free(serial->port);
}
-
-int find_hwcap(int *capabilities, int hwcap)
+/**
+ * Find out if a hardware plugin has a specific capability.
+ *
+ * @param plugin The hardware plugin in which to search for the capability.
+ * @param hwcap The capability to find in the list.
+ *
+ * @return TRUE if found, FALSE otherwise.
+ */
+SR_API gboolean sr_hw_has_hwcap(struct sr_dev_plugin *plugin, int hwcap)
{
- int i;
+ int *hwcaps, i;
- for(i = 0; capabilities[i]; i++)
- if(capabilities[i] == hwcap)
+ hwcaps = plugin->hwcap_get_all();
+ for (i = 0; hwcaps[i]; i++) {
+ if (hwcaps[i] == hwcap)
return TRUE;
+ }
return FALSE;
}
-
-struct hwcap_option *find_hwcap_option(int hwcap)
+/**
+ * Get a hardware plugin capability option.
+ *
+ * @param hwcap The capability to get.
+ *
+ * @return A pointer to a struct with information about the parameter, or NULL
+ * if the capability was not found.
+ */
+SR_API struct sr_hwcap_option *sr_hw_hwcap_get(int hwcap)
{
- struct hwcap_option *hwo;
int i;
- hwo = NULL;
- for(i = 0; hwcap_options[i].capability; i++)
- {
- if(hwcap_options[i].capability == hwcap)
- {
- hwo = &hwcap_options[i];
- break;
- }
+ for (i = 0; sr_hwcap_options[i].hwcap; i++) {
+ if (sr_hwcap_options[i].hwcap == hwcap)
+ return &sr_hwcap_options[i];
}
- return hwo;
+ return NULL;
}
+/* unnecessary level of indirection follows. */
-void source_remove(int fd)
+SR_PRIV void sr_source_remove(int fd)
{
-
- if(source_cb_remove)
- source_cb_remove(fd);
-
+ sr_session_source_remove(fd);
}
-
-void source_add(int fd, int events, int timeout, receive_data_callback rcv_cb, void *user_data)
+SR_PRIV void sr_source_add(int fd, int events, int timeout,
+ sr_receive_data_callback rcv_cb, void *user_data)
{
-
- if(source_cb_add)
- source_cb_add(fd, events, timeout, rcv_cb, user_data);
-
+ sr_session_source_add(fd, events, timeout, rcv_cb, user_data);
}
-
-
-
-
projects / libsigrok.git / blobdiff