serial_debugger/src/guislice/XGraph.h

187 lines
6.7 KiB
C

#ifndef _GUISLICE_EX_XGRAPH_H_
#define _GUISLICE_EX_XGRAPH_H_
#include "GUIslice.h"
// =======================================================================
// GUIslice library extension: Graph control
// - Calvin Hass
// - https://www.impulseadventure.com/elec/guislice-gui.html
// - https://github.com/ImpulseAdventure/GUIslice
// =======================================================================
//
// The MIT License
//
// Copyright 2016-2020 Calvin Hass
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
// =======================================================================
/// \file XGraph.h
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
// ============================================================================
// Extended Element: Graph
// ============================================================================
// Define unique identifier for extended element type
// - Select any number above GSLC_TYPE_BASE_EXTEND
#define GSLC_TYPEX_GRAPH GSLC_TYPE_BASE_EXTEND + 5
/// Gauge drawing style
typedef enum {
GSLCX_GRAPH_STYLE_DOT, ///< Dot
GSLCX_GRAPH_STYLE_LINE, ///< Line
GSLCX_GRAPH_STYLE_FILL, ///< Filled
} gslc_teXGraphStyle;
// Extended element data structures
// - These data structures are maintained in the gslc_tsElem
// structure via the pXData pointer
/// Extended data for Graph element
typedef struct {
// Config
int16_t* pBuf; ///< Ptr to the data buffer (circular buffer))
uint8_t nMargin; ///< Margin for graph area within element rect
gslc_tsColor colGraph; ///< Color of the graph
gslc_teXGraphStyle eStyle; ///< Style of the graph
uint16_t nBufMax; ///< Maximum number of points in buffer
bool bScrollEn; ///< Enable for scrollbar
uint16_t nScrollPos; ///< Current scrollbar position
uint16_t nWndHeight; ///< Visible window height
uint16_t nWndWidth; ///< Visible window width
int16_t nPlotValMax; ///< Visible window maximum value
int16_t nPlotValMin; ///< Visible window minimum value
uint16_t nPlotIndMax; ///< Number of data points to show in window
// Current status
uint16_t nBufCnt; ///< Number of points in buffer
uint16_t nPlotIndStart; ///< First row of current window
} gslc_tsXGraph;
///
/// Create a Graph Element
///
/// \param[in] pGui: Pointer to GUI
/// \param[in] nElemId: Element ID to assign (0..16383 or GSLC_ID_AUTO to autogen)
/// \param[in] nPage: Page ID to attach element to
/// \param[in] pXData: Ptr to extended element data structure
/// \param[in] rElem: Rectangle coordinates defining checkbox size
/// \param[in] nFontId: Font ID to use for graph area
/// \param[in] pBuf: Ptr to data buffer (already allocated)
/// with size (nBufMax) int16_t
/// \param[in] nBufRows: Maximum number of points in buffer
/// \param[in] colGraph: Color of the graph
///
/// \return Pointer to Element reference or NULL if failure
///
gslc_tsElemRef* gslc_ElemXGraphCreate(gslc_tsGui* pGui,int16_t nElemId,int16_t nPage,
gslc_tsXGraph* pXData,gslc_tsRect rElem,int16_t nFontId,int16_t* pBuf,
uint16_t nBufRows,gslc_tsColor colGraph);
///
/// Set the graph's additional drawing characteristics
///
/// \param[in] pGui: Pointer to GUI
/// \param[in] pElemRef: Pointer to Element reference
/// \param[in] eStyle: Drawing style for the graph
/// \param[in] nMargin: Margin to provide around graph area inside frame
///
/// \return none
///
void gslc_ElemXGraphSetStyle(gslc_tsGui* pGui,gslc_tsElemRef* pElemRef,
gslc_teXGraphStyle eStyle,uint8_t nMargin);
///
/// Set the graph's drawing range
///
/// \param[in] pGui: Pointer to GUI
/// \param[in] pElemRef: Pointer to Element reference
/// \param[in] nYMin: Minimum Y value to draw
/// \param[in] nYMax: Maximum Y value to draw
///
/// \return none
///
void gslc_ElemXGraphSetRange(gslc_tsGui* pGui,gslc_tsElemRef* pElemRef,
int16_t nYMin,int16_t nYMax);
///
/// Draw a Graph element on the screen
/// - Called from gslc_ElemDraw()
///
/// \param[in] pvGui: Void ptr to GUI (typecast to gslc_tsGui*)
/// \param[in] pvElemRef: Void ptr to Element reference (typecast to gslc_tsElemRef*)
/// \param[in] eRedraw: Redraw mode
///
/// \return true if success, false otherwise
///
bool gslc_ElemXGraphDraw(void* pvGui,void* pvElemRef,gslc_teRedrawType eRedraw);
/// Add a value to the graph at the latest position
///
/// \param[in] pGui: Pointer to GUI
/// \param[in] pElemRef: Pointer to Element reference
/// \param[in] nVal: Data value to add
///
/// \return none
///
void gslc_ElemXGraphAdd(gslc_tsGui* pGui,gslc_tsElemRef* pElemRef,int16_t nVal);
///
/// Set the graph scroll position (nScrollPos) as a fraction of
/// nScrollMax
///
/// \param[in] pGui: Pointer to GUI
/// \param[in] pElemRef: Pointer to Element reference
/// \param[in] nScrollPos: New scroll position
/// \param[in] nScrollMax: Maximum scroll position
///
/// \return none
///
void gslc_ElemXGraphScrollSet(gslc_tsGui* pGui,gslc_tsElemRef* pElemRef,uint8_t nScrollPos,uint8_t nScrollMax);
// ============================================================================
// ------------------------------------------------------------------------
// Read-only element macros
// ------------------------------------------------------------------------
// Macro initializers for Read-Only Elements in Flash/PROGMEM
//
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // _GUISLICE_EX_XGRAPH_H_