78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/******************************************************************************
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* Copyright (c) 2018(-2023) STMicroelectronics.
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* All rights reserved.
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*
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* This file is part of the TouchGFX 4.21.2 distribution.
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*
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* This software is licensed under terms that can be found in the LICENSE file in
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* the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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*******************************************************************************/
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/**
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* @file touchgfx/widgets/graph/GraphWrapAndOverwrite.hpp
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*
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* Declares the touchgfx::GraphWrapAndOverwriteData and touchgfx::GraphWrapAndOverwrite classes.
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*/
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#ifndef TOUCHGFX_GRAPHWRAPANDOVERWRITE_HPP
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#define TOUCHGFX_GRAPHWRAPANDOVERWRITE_HPP
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#include <touchgfx/hal/Types.hpp>
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#include <touchgfx/widgets/graph/AbstractDataGraph.hpp>
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namespace touchgfx
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{
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/**
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* A continuous data graph which will fill the graph with elements, and overwrite the first
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* elements with new values after the graph has filled. There will be a gap between the newly
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* inserted element and the element after. This similar behavior to a heart beat monitor.
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*/
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class GraphWrapAndOverwriteData : public DynamicDataGraph
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{
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public:
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/**
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* Initializes a new instance of the GraphWrapAndOverwriteData class.
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*
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* @param capacity The capacity.
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* @param [in] values Pointer to memory with room for capacity elements of type T.
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*/
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GraphWrapAndOverwriteData(int16_t capacity, int* values)
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: DynamicDataGraph(capacity, values), current(0)
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{
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}
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virtual void clear();
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virtual int32_t indexToGlobalIndex(int16_t index) const;
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protected:
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int16_t current; ///< The current index (used to keep track of where to insert new data point in value array)
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virtual void beforeAddValue();
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virtual int16_t addValue(int value);
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};
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/**
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* A Continuous graph. A quick way to create a GraphWrapAndOverwriteData.
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*
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* @tparam CAPACITY The maximum number of data points on the graph.
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*/
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template <int16_t CAPACITY>
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class GraphWrapAndOverwrite : public GraphWrapAndOverwriteData
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{
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public:
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GraphWrapAndOverwrite()
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: GraphWrapAndOverwriteData(CAPACITY, y)
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{
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}
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private:
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int y[CAPACITY];
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};
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} // namespace touchgfx
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#endif // TOUCHGFX_GRAPHWRAPANDOVERWRITE_HPP
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