X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=device.c;h=fea3d60bedfc235f87e59f5d5f6ba958a897892c;hb=0d31276b05643407ba4a4a9e3f0f95e259c8baa2;hp=216442b4e6eb8947fcfa6b9115d238cfe8231418;hpb=a00ba012288726678e1a270961c8d4f46f3dbd33;p=libsigrok.git

diff --git a/device.c b/device.c
index 216442b4..fea3d60b 100644
--- a/device.c
+++ b/device.c
@@ -20,17 +20,18 @@
 #include <stdio.h>
 #include <glib.h>
 #include <sigrok.h>
+#include <sigrok-internal.h>
 
 extern struct sr_global *global;
 
 GSList *devices = NULL;
 
-void device_scan(void)
+void sr_device_scan(void)
 {
 	GSList *plugins, *l;
-	struct device_plugin *plugin;
+	struct sr_device_plugin *plugin;
 
-	plugins = list_hwplugins();
+	plugins = sr_list_hwplugins();
 
 	/*
 	 * Initialize all plugins first. Since the init() call may involve
@@ -39,67 +40,74 @@ void device_scan(void)
 	 */
 	for (l = plugins; l; l = l->next) {
 		plugin = l->data;
-		device_plugin_init(plugin);
+		sr_device_plugin_init(plugin);
 	}
 
 }
 
-int device_plugin_init(struct device_plugin *plugin)
+int sr_device_plugin_init(struct sr_device_plugin *plugin)
 {
 	int num_devices, num_probes, i;
 
-	g_message("initializing %s plugin", plugin->name);
+	sr_info("initializing %s plugin", plugin->name);
 	num_devices = plugin->init(NULL);
 	for (i = 0; i < num_devices; i++) {
-		num_probes = (int)plugin->get_device_info(i, DI_NUM_PROBES);
-		device_new(plugin, i, num_probes);
+		num_probes = (int)plugin->get_device_info(i, SR_DI_NUM_PROBES);
+		sr_device_new(plugin, i, num_probes);
 	}
 
 	return num_devices;
 }
 
-void device_close_all(void)
+void sr_device_close_all(void)
 {
-	struct device *device;
+	int ret;
+	struct sr_device *device;
 
 	while (devices) {
 		device = devices->data;
-		if (device->plugin)
-			device->plugin->close(device->plugin_index);
-		device_destroy(device);
+		if (device->plugin && device->plugin->closedev) {
+			ret = device->plugin->closedev(device->plugin_index);
+			if (ret != SR_OK) {
+				sr_err("dev: %s: could not close device %d",
+				       __func__, device->plugin_index);
+			}
+		}
+		sr_device_destroy(device);
 	}
 }
 
-GSList *device_list(void)
+GSList *sr_device_list(void)
 {
 
 	if (!devices)
-		device_scan();
+		sr_device_scan();
 
 	return devices;
 }
 
-struct device *device_new(struct device_plugin *plugin, int plugin_index,
-			  int num_probes)
+struct sr_device *sr_device_new(struct sr_device_plugin *plugin, int plugin_index,
+			     int num_probes)
 {
-	struct device *device;
+	struct sr_device *device;
 	int i;
-	char probename[16];
 
-	device = g_malloc0(sizeof(struct device));
+	if (!(device = g_try_malloc0(sizeof(struct sr_device)))) {
+		sr_err("dev: %s: device malloc failed", __func__);
+		return NULL;
+	}
+
 	device->plugin = plugin;
 	device->plugin_index = plugin_index;
 	devices = g_slist_append(devices, device);
 
-	for (i = 0; i < num_probes; i++) {
-		snprintf(probename, 16, "%d", i + 1);
-		device_probe_add(device, probename);
-	}
+	for (i = 0; i < num_probes; i++)
+		sr_device_probe_add(device, NULL);
 
 	return device;
 }
 
-void device_clear(struct device *device)
+void sr_device_clear(struct sr_device *device)
 {
 	unsigned int pnum;
 
@@ -109,10 +117,10 @@ void device_clear(struct device *device)
 		return;
 
 	for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++)
-		device_probe_clear(device, pnum);
+		sr_device_probe_clear(device, pnum);
 }
 
-void device_destroy(struct device *device)
+void sr_device_destroy(struct sr_device *device)
 {
 	unsigned int pnum;
 
@@ -124,17 +132,17 @@ void device_destroy(struct device *device)
 	devices = g_slist_remove(devices, device);
 	if (device->probes) {
 		for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++)
-			device_probe_clear(device, pnum);
+			sr_device_probe_clear(device, pnum);
 		g_slist_free(device->probes);
 	}
 	g_free(device);
 }
 
-void device_probe_clear(struct device *device, int probenum)
+void sr_device_probe_clear(struct sr_device *device, int probenum)
 {
-	struct probe *p;
+	struct sr_probe *p;
 
-	p = probe_find(device, probenum);
+	p = sr_device_probe_find(device, probenum);
 	if (!p)
 		return;
 
@@ -149,22 +157,36 @@ void device_probe_clear(struct device *device, int probenum)
 	}
 }
 
-void device_probe_add(struct device *device, char *name)
+void sr_device_probe_add(struct sr_device *device, const char *name)
 {
-	struct probe *p;
+	struct sr_probe *p;
+	char probename[16];
+	int probenum;
+
+	probenum = g_slist_length(device->probes) + 1;
+
+	if (!(p = g_try_malloc0(sizeof(struct sr_probe)))) {
+		sr_err("dev: %s: p malloc failed", __func__);
+		// return SR_ERR_MALLOC;
+		return; /* FIXME: should return int. */
+	}
 
-	p = g_malloc0(sizeof(struct probe));
-	p->index = g_slist_length(device->probes) + 1;
+	p->index = probenum;
 	p->enabled = TRUE;
-	p->name = g_strdup(name);
+	if (name) {
+		p->name = g_strdup(name);
+	} else {
+		snprintf(probename, 16, "%d", probenum);
+		p->name = g_strdup(probename);
+	}
 	p->trigger = NULL;
 	device->probes = g_slist_append(device->probes, p);
 }
 
-struct probe *probe_find(struct device *device, int probenum)
+struct sr_probe *sr_device_probe_find(struct sr_device *device, int probenum)
 {
 	GSList *l;
-	struct probe *p, *found_probe;
+	struct sr_probe *p, *found_probe;
 
 	found_probe = NULL;
 	for (l = device->probes; l; l = l->next) {
@@ -178,11 +200,13 @@ struct probe *probe_find(struct device *device, int probenum)
 	return found_probe;
 }
 
-void device_probe_name(struct device *device, int probenum, char *name)
+/* TODO: return SR_ERR if probenum not found */
+void sr_device_probe_name(struct sr_device *device, int probenum,
+			  const char *name)
 {
-	struct probe *p;
+	struct sr_probe *p;
 
-	p = probe_find(device, probenum);
+	p = sr_device_probe_find(device, probenum);
 	if (!p)
 		return;
 
@@ -191,16 +215,17 @@ void device_probe_name(struct device *device, int probenum, char *name)
 	p->name = g_strdup(name);
 }
 
-void device_trigger_clear(struct device *device)
+/* TODO: return SR_ERR if probenum not found */
+void sr_device_trigger_clear(struct sr_device *device)
 {
-	struct probe *p;
+	struct sr_probe *p;
 	unsigned int pnum;
 
 	if (!device->probes)
 		return;
 
 	for (pnum = 1; pnum <= g_slist_length(device->probes); pnum++) {
-		p = probe_find(device, pnum);
+		p = sr_device_probe_find(device, pnum);
 		if (p && p->trigger) {
 			g_free(p->trigger);
 			p->trigger = NULL;
@@ -208,11 +233,13 @@ void device_trigger_clear(struct device *device)
 	}
 }
 
-void device_trigger_set(struct device *device, int probenum, char *trigger)
+/* TODO: return SR_ERR if probenum not found */
+void sr_device_trigger_set(struct sr_device *device, int probenum,
+			   const char *trigger)
 {
-	struct probe *p;
+	struct sr_probe *p;
 
-	p = probe_find(device, probenum);
+	p = sr_device_probe_find(device, probenum);
 	if (!p)
 		return;
 
@@ -220,4 +247,20 @@ void device_trigger_set(struct device *device, int probenum, char *trigger)
 		g_free(p->trigger);
 
 	p->trigger = g_strdup(trigger);
+
+}
+
+gboolean sr_device_has_hwcap(struct sr_device *device, int hwcap)
+{
+	int *capabilities, i;
+
+	if (!device || !device->plugin)
+		return FALSE;
+
+	if ((capabilities = device->plugin->get_capabilities()))
+		for (i = 0; capabilities[i]; i++)
+			if (capabilities[i] == hwcap)
+				return TRUE;
+
+	return FALSE;
 }