]> sigrok.org Git - libsigrok.git/blobdiff - hwplugin.c
autogen.sh: aclocal support for Windows XP/Vista/7.
[libsigrok.git] / hwplugin.c
index 78621c161873dcc38f63311975e6178c3013d64d..4e13ed1f04ae06ef10265332cee3035b9af3edde 100644 (file)
  * 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},
 };
 
@@ -56,6 +57,9 @@ extern struct sr_device_plugin zeroplus_logic_cube_plugin_info;
 #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
@@ -63,9 +67,8 @@ extern struct sr_device_plugin link_mso19_plugin_info;
 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);
@@ -84,6 +87,9 @@ int load_hwplugins(void)
 #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
@@ -91,37 +97,77 @@ int load_hwplugins(void)
        plugins = g_slist_append(plugins, (gpointer *)&alsa_plugin_info);
 #endif
 
-
        return SR_OK;
 }
 
-GSList *list_hwplugins(void)
+SR_API GSList *sr_list_hwplugins(void)
 {
        return plugins;
 }
 
-struct sr_device_instance *sr_device_instance_new(int index, int status,
+SR_API int sr_init_hwplugins(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_device_new(plugin, i);
+               for (j = 0; j < num_probes; j++)
+                       sr_device_probe_add(device, probe_names[j]);
+               num_initialized_devices++;
+       }
+
+       return num_initialized_devices;
+}
+
+SR_API 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_API 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_malloc(sizeof(struct sr_device_instance))))
                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_API struct sr_device_instance *sr_get_device_instance(
+               GSList *device_instances, int device_index)
 {
        struct sr_device_instance *sdi;
        GSList *l;
@@ -131,36 +177,23 @@ struct sr_device_instance *sr_get_device_instance(GSList *device_instances,
                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_API 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;
@@ -175,17 +208,17 @@ struct sr_usb_device_instance *sr_usb_device_instance_new(uint8_t bus,
        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;
@@ -199,12 +232,13 @@ struct sr_serial_device_instance *sr_serial_device_instance_new(
        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);
 }
 
-int sr_find_hwcap(int *capabilities, int hwcap)
+SR_API int sr_find_hwcap(int *capabilities, int hwcap)
 {
        int i;
 
@@ -216,7 +250,7 @@ int sr_find_hwcap(int *capabilities, int hwcap)
        return FALSE;
 }
 
-struct sr_hwcap_option *sr_find_hwcap_option(int hwcap)
+SR_API struct sr_hwcap_option *sr_find_hwcap_option(int hwcap)
 {
        int i;
 
@@ -230,13 +264,13 @@ struct sr_hwcap_option *sr_find_hwcap_option(int hwcap)
 
 /* unnecessary level of indirection follows. */
 
-void source_remove(int fd)
+void sr_source_remove(int fd)
 {
        sr_session_source_remove(fd);
 }
 
-void source_add(int fd, int events, int timeout, receive_data_callback rcv_cb,
-               void *user_data)
+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);
 }