thooge/esp32-nmea2000-obp60
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Code rework for OBPcharts, part 3

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This commit is contained in:
Ulrich Meine
2026-01-10 12:31:37 +01:00
parent 84736e6769
commit 4747336a69
5 changed files with 413 additions and 426 deletions
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54
lib/obp60task/OBPcharts.h
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@@ -22,6 +22,27 @@ protected:
CommonData* commonData;
GwLog* logger;
enum ChrtDataFormat {
WIND,
ROTATION,
SPEED,
DEPTH,
TEMPERATURE,
OTHER
};
static constexpr char HORIZONTAL = 'H';
static constexpr char VERTICAL = 'V';
static constexpr int8_t FULL_SIZE = 0;
static constexpr int8_t HALF_SIZE_LEFT = 1;
static constexpr int8_t HALF_SIZE_RIGHT = 2;
static constexpr int8_t MIN_FREE_VALUES = 60; // free 60 values when chart line reaches chart end
static constexpr int8_t THRESHOLD_NO_DATA = 3; // max. seconds of invalid values in a row
static constexpr int8_t VALAXIS_STEP = 60; // pixels between two chart value axis labels
static constexpr bool NO_SIMUDATA = true; // switch off simulation feature of <formatValue> function
RingBuffer<uint16_t>& dataBuf; // Buffer to display
//char chrtDir; // Chart timeline direction: 'H' = horizontal, 'V' = vertical
//int8_t chrtSz; // Chart size: [0] = full size, [1] = half size left/top, [2] half size right/bottom
@@ -45,10 +66,10 @@ protected:
double chrtMax; // Range high end value
double chrtMid; // Range mid value
double rngStep; // Defines the step of adjustment (e.g. 10 m/s) for value axis range
bool recalcRngCntr = false; // Flag for re-calculation of mid value of chart for wind data types
bool recalcRngMid = false; // Flag for re-calculation of mid value of chart for wind data types
String dbName, dbFormat; // Name and format of data buffer
char chrtDataFmt; // Data format of chart: 'S' = size values; 'D' = depth value, 'W' = degree of course or wind; 'R' rotational degrees
ChrtDataFormat chrtDataFmt; // Data format of chart boat data type
double dbMIN_VAL; // Lowest possible value of buffer of type <T>
double dbMAX_VAL; // Highest possible value of buffer of type <T>; indicates invalid value in buffer
size_t bufSize; // History buffer size: 1.920 values for 32 min. history chart
@@ -67,32 +88,29 @@ protected:
int x, y; // x and y coordinates for drawing
int prevX, prevY; // Last x and y coordinates for drawing
static constexpr int8_t MIN_FREE_VALUES = 60;
static constexpr int8_t THRESHOLD_NO_DATA = 3;
static constexpr int8_t VALAXIS_STEP = 60;
bool setChartDimensions(const char direction, const int8_t size); //define dimensions and start points for chart
void drawChrt(const char chrtDir, int8_t& chrtIntv, GwApi::BoatValue& currValue); // Draw chart line
void getBufStartNSize(int8_t& chrtIntv); // Identify buffer size and buffer start position for chart
void drawChrt(const char chrtDir, const int8_t chrtIntv, GwApi::BoatValue& currValue); // Draw chart line
void getBufferStartNSize(const int8_t chrtIntv); // Identify buffer size and buffer start position for chart
void calcChrtBorders(double& rngMin, double& rngMid, double& rngMax, double& rng); // Calculate chart points for value axis and return range between <min> and <max>
void drawChrtTimeAxis(const char chrtDir, const int8_t chrtSz, int8_t& chrtIntv); // Draw time axis of chart, value and lines
void drawChrtValAxis(const char chrtDir, const int8_t chrtSz); // Draw value axis of chart, value and lines
void drawChartLines(const char direction, const int8_t chrtIntv, const double chrtScale); // Draw chart graph
Pos setCurrentChartPoint(const int i, const char direction, const double chrtVal, const double chrtScale); // Set current chart point to draw
void drawChrtTimeAxis(const char chrtDir, const int8_t chrtSz, const int8_t chrtIntv); // Draw time axis of chart, value and lines
void drawChrtValAxis(const char chrtDir, const int8_t chrtSz, bool prntLabel); // Draw value axis of chart, value and lines
void prntCurrValue(const char chrtDir, GwApi::BoatValue& currValue); // Add current boat data value to chart
void prntNoValidData(const char chrtDir); // print message for no valid data available
double getAngleRng(double center, size_t amount); // Calculate range between chart center and edges
void prntHorizThreeValueAxisLabel(const GFXfont* font); // print horizontal axis label with only three values: top, mid, and bottom
void prntHorizMultiValueAxisLabel(const GFXfont* font); // print horizontal axis label with multiple axis lines
void drawBoldLine(int16_t x1, int16_t y1, int16_t x2, int16_t y2); // Draw chart line with thickness of 2px
String convNformatLabel(double label); // Convert and format current axis label to user defined format; helper function for easier handling of OBP60Formatter
double getAngleRng(const double center, size_t amount); // Calculate range between chart center and edges
void prntVerticChartThreeValueAxisLabel(const GFXfont* font); // print value axis label with only three values: top, mid, and bottom for vertical chart
void prntHorizChartThreeValueAxisLabel(const GFXfont* font); // print value axis label with only three values: top, mid, and bottom for horizontal chart
void prntHorizChartMultiValueAxisLabel(const GFXfont* font); // print value axis label with multiple axis lines for horizontal chart
void drawBoldLine(const int16_t x1, const int16_t y1, const int16_t x2, const int16_t y2); // Draw chart line with thickness of 2px
String convNformatLabel(const double& label); // Convert and format current axis label to user defined format; helper function for easier handling of OBP60Formatter
String formatLabel(const double& label); // Format current axis label for printing w/o data format conversion (has been done earlier)
public:
// Define default chart range and range step for each boat data type
static std::map<String, ChartProps> dfltChrtDta;
// Chart(RingBuffer<uint16_t>& dataBuf, char chrtDir, int8_t chrtSz, double dfltRng, CommonData& common, bool useSimuData); // Chart object of data chart
Chart(RingBuffer<uint16_t>& dataBuf, double dfltRng, CommonData& common, bool useSimuData); // Chart object of data chart
~Chart();
// void showChrt(GwApi::BoatValue currValue, int8_t& chrtIntv, bool showCurrValue); // Perform all actions to draw chart
void showChrt(char chrtDir, int8_t chrtSz, int8_t& chrtIntv, bool showCurrValue, GwApi::BoatValue currValue); // Perform all actions to draw chart
void showChrt(char chrtDir, int8_t chrtSz, const int8_t chrtIntv, bool prntName, bool showCurrValue, GwApi::BoatValue currValue); // Perform all actions to draw chart
};