aboutsummaryrefslogtreecommitdiff
path: root/apps/systemlib/control/block/Block.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'apps/systemlib/control/block/Block.cpp')
-rw-r--r--apps/systemlib/control/block/Block.cpp210
1 files changed, 210 insertions, 0 deletions
diff --git a/apps/systemlib/control/block/Block.cpp b/apps/systemlib/control/block/Block.cpp
new file mode 100644
index 000000000..5994d2315
--- /dev/null
+++ b/apps/systemlib/control/block/Block.cpp
@@ -0,0 +1,210 @@
+/****************************************************************************
+ *
+ * Copyright (C) 2012 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file Block.cpp
+ *
+ * Controller library code
+ */
+
+#include <math.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "Block.hpp"
+#include "BlockParam.hpp"
+#include "UOrbSubscription.hpp"
+#include "UOrbPublication.hpp"
+
+namespace control
+{
+
+Block::Block(SuperBlock *parent, const char *name) :
+ _name(name),
+ _parent(parent),
+ _dt(0),
+ _subscriptions(),
+ _params()
+{
+ if (getParent() != NULL) {
+ getParent()->getChildren().add(this);
+ }
+}
+
+void Block::getName(char *buf, size_t n)
+{
+ if (getParent() == NULL) {
+ strncpy(buf, _name, n);
+
+ } else {
+ char parentName[blockNameLengthMax];
+ getParent()->getName(parentName, n);
+
+ if (!strcmp(_name, "")) {
+ strncpy(buf, parentName, blockNameLengthMax);
+
+ } else {
+ snprintf(buf, blockNameLengthMax, "%s_%s", parentName, _name);
+ }
+ }
+}
+
+void Block::updateParams()
+{
+ BlockParamBase *param = getParams().getHead();
+ int count = 0;
+
+ while (param != NULL) {
+ if (count++ > maxParamsPerBlock) {
+ char name[blockNameLengthMax];
+ getName(name, blockNameLengthMax);
+ printf("exceeded max params for block: %s\n", name);
+ break;
+ }
+
+ //printf("updating param: %s\n", param->getName());
+ param->update();
+ param = param->getSibling();
+ }
+}
+
+void Block::updateSubscriptions()
+{
+ UOrbSubscriptionBase *sub = getSubscriptions().getHead();
+ int count = 0;
+
+ while (sub != NULL) {
+ if (count++ > maxSubscriptionsPerBlock) {
+ char name[blockNameLengthMax];
+ getName(name, blockNameLengthMax);
+ printf("exceeded max subscriptions for block: %s\n", name);
+ break;
+ }
+
+ sub->update();
+ sub = sub->getSibling();
+ }
+}
+
+void Block::updatePublications()
+{
+ UOrbPublicationBase *pub = getPublications().getHead();
+ int count = 0;
+
+ while (pub != NULL) {
+ if (count++ > maxPublicationsPerBlock) {
+ char name[blockNameLengthMax];
+ getName(name, blockNameLengthMax);
+ printf("exceeded max publications for block: %s\n", name);
+ break;
+ }
+
+ pub->update();
+ pub = pub->getSibling();
+ }
+}
+
+void SuperBlock::setDt(float dt)
+{
+ Block::setDt(dt);
+ Block *child = getChildren().getHead();
+ int count = 0;
+
+ while (child != NULL) {
+ if (count++ > maxChildrenPerBlock) {
+ char name[40];
+ getName(name, 40);
+ printf("exceeded max children for block: %s\n", name);
+ break;
+ }
+
+ child->setDt(dt);
+ child = child->getSibling();
+ }
+}
+
+void SuperBlock::updateChildParams()
+{
+ Block *child = getChildren().getHead();
+ int count = 0;
+
+ while (child != NULL) {
+ if (count++ > maxChildrenPerBlock) {
+ char name[40];
+ getName(name, 40);
+ printf("exceeded max children for block: %s\n", name);
+ break;
+ }
+
+ child->updateParams();
+ child = child->getSibling();
+ }
+}
+
+void SuperBlock::updateChildSubscriptions()
+{
+ Block *child = getChildren().getHead();
+ int count = 0;
+
+ while (child != NULL) {
+ if (count++ > maxChildrenPerBlock) {
+ char name[40];
+ getName(name, 40);
+ printf("exceeded max children for block: %s\n", name);
+ break;
+ }
+
+ child->updateSubscriptions();
+ child = child->getSibling();
+ }
+}
+
+void SuperBlock::updateChildPublications()
+{
+ Block *child = getChildren().getHead();
+ int count = 0;
+
+ while (child != NULL) {
+ if (count++ > maxChildrenPerBlock) {
+ char name[40];
+ getName(name, 40);
+ printf("exceeded max children for block: %s\n", name);
+ break;
+ }
+
+ child->updatePublications();
+ child = child->getSibling();
+ }
+}
+
+} // namespace control