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74 lines
2.5 KiB
74 lines
2.5 KiB
/* |
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* EEZ Modular Firmware |
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* Copyright (C) 2021-present, Envox d.o.o. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include <stdio.h> |
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#include <eez/core/alloc.h> |
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#include <eez/core/os.h> |
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#include <eez/flow/components.h> |
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#include <eez/flow/flow_defs_v3.h> |
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#include <eez/flow/expression.h> |
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#include <eez/flow/queue.h> |
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using namespace eez::gui; |
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namespace eez { |
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namespace flow { |
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struct WatchVariableComponenentExecutionState : public ComponenentExecutionState { |
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Value value; |
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}; |
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void executeWatchVariableComponent(FlowState *flowState, unsigned componentIndex) { |
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auto watchVariableComponentExecutionState = (WatchVariableComponenentExecutionState *)flowState->componenentExecutionStates[componentIndex]; |
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Value value; |
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if (!evalProperty(flowState, componentIndex, defs_v3::WATCH_VARIABLE_ACTION_COMPONENT_PROPERTY_VARIABLE, value, "Failed to evaluate Variable in WatchVariable")) { |
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return; |
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} |
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if (!watchVariableComponentExecutionState) { |
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watchVariableComponentExecutionState = allocateComponentExecutionState<WatchVariableComponenentExecutionState>(flowState, componentIndex); |
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watchVariableComponentExecutionState->value = value; |
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propagateValue(flowState, componentIndex, 1, value); |
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if (!addToQueue(flowState, componentIndex, -1, -1, -1, true)) { |
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throwError(flowState, componentIndex, "Execution queue is full\n"); |
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return; |
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} |
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} else { |
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if (value != watchVariableComponentExecutionState->value) { |
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watchVariableComponentExecutionState->value = value; |
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propagateValue(flowState, componentIndex, 1, value); |
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} |
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if (canFreeFlowState(flowState, false)) { |
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deallocateComponentExecutionState(flowState, componentIndex); |
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} else { |
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if (!addToQueue(flowState, componentIndex, -1, -1, -1, true)) { |
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throwError(flowState, componentIndex, "Execution queue is full\n"); |
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return; |
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} |
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} |
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} |
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} |
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} // namespace flow |
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} // namespace eez
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