GUIDEMO_Graph.c
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上传日期:2017-08-10
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- /*
- *********************************************************************************************************
- * uC/GUI
- * Universal graphic software for embedded applications
- *
- * (c) Copyright 2002, Micrium Inc., Weston, FL
- * (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
- *
- * 礐/GUI is protected by international copyright laws. Knowledge of the
- * source code may not be used to write a similar product. This file may
- * only be used in accordance with a license and should not be redistributed
- * in any way. We appreciate your understanding and fairness.
- *
- ----------------------------------------------------------------------
- File : GUIDEMO_Graph.c
- Purpose : Several GUIDEMO routines
- ----------------------------------------------------------------------
- */
- #include "GUI.h"
- //#include "LCD_ConfDefaults.h" /* valid LCD configuration */
- #include <math.h>
- #include <stdlib.h>
- #include "GUIDEMO.H"
- #if GUI_SUPPORT_MEMDEV
- /*********************************************************************
- *
- * Structure containing information for drawing routine
- *
- **********************************************************************
- */
- typedef struct {
- I16 * aY;
- } PARAM;
- /*********************************************************************
- *
- * Defines
- *
- **********************************************************************
- */
- #if GUIDEMO_LARGE
- #define YSIZE (LCD_YSIZE - 100)
- #else
- #define YSIZE (LCD_YSIZE - 30)
- #endif
- /*
- #if LCD_YSIZE > 120
- #define YSIZE (LCD_YSIZE - 100)
- #else
- #define YSIZE 20
- #endif
- */
- #define DEG2RAD (3.1415926f / 180)
- #if LCD_BITSPERPIXEL == 1
- #define COLOR_GRAPH0 GUI_WHITE
- #define COLOR_GRAPH1 GUI_WHITE
- #else
- #define COLOR_GRAPH0 GUI_GREEN
- #define COLOR_GRAPH1 GUI_YELLOW
- #endif
- /*********************************************************************
- *
- * Draws the graph
- *
- **********************************************************************
- */
- static void _Draw(void * p) {
- int i;
- PARAM * pParam = (PARAM *)p;
- GUI_SetBkColor(GUI_BLACK);
- GUI_SetColor(GUI_DARKGRAY);
- GUI_ClearRect(19, (LCD_YSIZE - 20) - YSIZE, (LCD_XSIZE - 2), (LCD_YSIZE - 21));
- for (i = 0; i < (YSIZE / 2); i += 20) {
- GUI_DrawHLine((LCD_YSIZE - 20) - (YSIZE / 2) + i, 19, (LCD_XSIZE - 2));
- if (i) {
- GUI_DrawHLine((LCD_YSIZE - 20) - (YSIZE / 2) - i, 19, (LCD_XSIZE - 2));
- }
- }
- for (i = 40; i < (LCD_XSIZE - 20); i += 40) {
- GUI_DrawVLine(18 + i, (LCD_YSIZE - 20) - YSIZE, (LCD_YSIZE - 21));
- }
- GUI_SetColor(COLOR_GRAPH0);
- GUI_DrawGraph(pParam->aY, (LCD_XSIZE - 20), 19, (LCD_YSIZE - 20) - YSIZE);
- }
- static void _Draw2(void * p) {
- PARAM * pParam = (PARAM *)p;
- _Draw(p);
- GUI_SetColor(COLOR_GRAPH1);
- GUI_DrawGraph(pParam->aY+15, (LCD_XSIZE - 20), 19, (LCD_YSIZE - 20) - YSIZE);
- }
- /*********************************************************************
- *
- * Labels the x & y-axis
- *
- **********************************************************************
- */
- static void _Label(void) {
- int x, y;
- GUI_SetPenSize(1);
- GUI_ClearRect(0, (LCD_YSIZE - 21) - YSIZE, (LCD_XSIZE - 1), (LCD_YSIZE - 1));
- GUI_DrawRect(18, (LCD_YSIZE - 21) - YSIZE, (LCD_XSIZE - 1), (LCD_YSIZE - 20));
- GUI_SetFont(&GUI_Font6x8);
- for (x = 0; x < (LCD_XSIZE - 20); x += 40) {
- int xPos = x + 18;
- GUI_DrawVLine(xPos, (LCD_YSIZE - 20), (LCD_YSIZE - 14));
- GUI_DispDecAt(x / 40, xPos - 2, (LCD_YSIZE - 9), 1);
- }
- for (y = 0; y < YSIZE / 2; y += 20) {
- int yPos = (LCD_YSIZE - 20) - YSIZE / 2 + y;
- GUI_DrawHLine(yPos, 13, 18);
- if (y) {
- GUI_GotoXY(1, yPos - 4);
- GUI_DispSDec(-y / 20, 2);
- yPos = (LCD_YSIZE - 20) - YSIZE / 2 - y;
- GUI_DrawHLine(yPos, 13, 18);
- GUI_GotoXY(1, yPos - 4);
- GUI_DispSDec(y / 20, 2);
- } else {
- GUI_DispCharAt('0', 7, yPos - 4);
- }
- }
- }
- /*********************************************************************
- *
- * Draws random data
- *
- **********************************************************************
- */
- static void _GetRandomData(I16 * paY, int Time, int n) {
- int aDiff, i;
- if (Time > 5000)
- Time -= 5000;
- if (Time > 2500)
- Time = 5000 - Time;
- Time /= 200;
- aDiff = Time * Time + 1;
- for (i = 0; i < n; i++) {
- if (!i) {
- paY[i] = rand() % YSIZE;
- } else {
- I16 yNew;
- int yD = aDiff - (rand() % aDiff);
- if (rand() & 1) {
- yNew = paY[i-1] + yD;
- } else {
- yNew = paY[i-1] - yD;
- }
- if (yNew > YSIZE) {
- yNew -= yD;
- } else { if (yNew < 0)
- yNew += yD;
- }
- paY[i] = yNew;
- }
- }
- }
- static void _ShowText(const char * sText) {
- GUI_SetColor(GUI_WHITE);
- GUI_SetBkColor(GUI_RED);
- #if GUIDEMO_LARGE
- GUI_ClearRect(0, 0, LCD_XSIZE, 60);
- GUI_SetFont(&GUI_FontComic18B_1);
- GUI_DispStringAt(sText, 10, 20);
- #else
- sText = sText; /* Avoid warning */
- #endif
- }
- static void _LabelMS(void) {
- GUI_SetFont(&GUI_Font6x8);
- #if GUIDEMO_LARGE
- GUI_DispStringAt("msec/graph:", 10, 50);
- #endif
- }
- static void _DisplayTime(int tDiff) {
- #if GUIDEMO_LARGE
- GUI_GotoXY(80, 50);
- GUI_SetColor(GUI_WHITE);
- GUI_SetBkColor(GUI_RED);
- GUI_DispDecSpace(tDiff, 3);
- #else
- tDiff = tDiff; /* Avoid warning */
- #endif
- }
- static void _DemoRandomGraph(void) {
- PARAM Param;
- int tDiff, t0, Cnt = 0;
- GUI_RECT Rect = {19, (LCD_YSIZE - 20) - YSIZE, (LCD_XSIZE - 2), (LCD_YSIZE - 21)};
- GUI_HMEM hMem = GUI_ALLOC_Alloc((LCD_XSIZE - 20) * sizeof(I16));
- _ShowText("Random graph");
- Param.aY = (I16*)GUI_ALLOC_h2p(hMem);
- /*
- GUI_SetFont(&GUI_Font6x8);
- GUI_DispStringAt("msec/graph:", 10, 50);
- */
- _LabelMS();
- t0 = GUI_GetTime();
- while(((tDiff = (GUI_GetTime() - t0)) < 10000) && !GUIDEMO_CheckCancel()) {
- int t1, tDiff2;
- _GetRandomData(Param.aY, tDiff, (LCD_XSIZE - 20));
- t1 = GUI_GetTime();
- GUI_MEMDEV_Draw(&Rect, _Draw, &Param, 0, GUI_MEMDEV_NOTRANS);
- tDiff2 = GUI_GetTime() - t1;
- if (tDiff2 < 100) {
- GUI_Delay(100 - tDiff2);
- }
- if(!((++Cnt)%10)) {
- _DisplayTime(tDiff2);
- /*
- GUI_GotoXY(80, 50);
- GUI_SetColor(GUI_WHITE);
- GUI_SetBkColor(GUI_RED);
- GUI_DispDecSpace(tDiff2, 3);
- */
- }
- }
- GUI_ALLOC_Free(hMem);
- }
- /*********************************************************************
- *
- * Draws a sine wave
- *
- **********************************************************************
- */
- static void _GetSineData(I16 * paY, int n) {
- int i;
- for (i = 0; i < n; i++) {
- float s = sin(i * DEG2RAD * 4);
- paY[i] = s * YSIZE / 2 + YSIZE / 2;
- }
- }
- static void _DemoSineWave(void) {
- PARAM Param;
- I16 * pStart;
- int t0, Cnt = 0;
- GUI_RECT Rect = {19, (LCD_YSIZE - 20) - YSIZE, (LCD_XSIZE - 2), (LCD_YSIZE - 21)};
- GUI_HMEM hMem = GUI_ALLOC_Alloc((LCD_XSIZE + 90) * sizeof(I16));
- _ShowText("Sine wave");
- pStart = (I16*)GUI_ALLOC_h2p(hMem);
- _GetSineData(pStart, LCD_XSIZE + 90);
- /*
- GUI_SetFont(&GUI_Font6x8);
- GUI_DispStringAt("msec/graph:", 10, 50);
- */
- _LabelMS();
- t0 = GUI_GetTime();
- while(((GUI_GetTime() - t0) < 10000) && !GUIDEMO_CheckCancel()) {
- int t1, tDiff2;
- if (Cnt % 90) {
- Param.aY++;
- } else {
- Param.aY = pStart;
- }
- t1 = GUI_GetTime();
- GUI_MEMDEV_Draw(&Rect, _Draw2, &Param, 0, GUI_MEMDEV_NOTRANS);
- tDiff2 = GUI_GetTime() - t1;
- if (tDiff2 < 100) {
- GUI_Delay(100 - tDiff2);
- }
- if(!((++Cnt) % 10)) {
- _DisplayTime(tDiff2);
- /*
- GUI_GotoXY(80, 50);
- GUI_SetColor(GUI_WHITE);
- GUI_SetBkColor(GUI_RED);
- GUI_DispDecSpace(tDiff2, 3);
- */
- }
- }
- GUI_ALLOC_Free(hMem);
- }
- /*********************************************************************
- *
- * Adds several waves
- *
- **********************************************************************
- */
- static void _DrawOrData(GUI_COLOR Color, I16 * paY) {
- GUI_SetColor(Color);
- GUI_DrawGraph(paY, (LCD_XSIZE - 20), 19, (LCD_YSIZE - 20) - YSIZE);
- }
- static void _DemoOrData(void) {
- int i;
- PARAM Param;
- GUI_RECT Rect = {19, (LCD_YSIZE - 20) - YSIZE, (LCD_XSIZE - 2), (LCD_YSIZE - 21)};
- GUI_HMEM hMem = GUI_ALLOC_Alloc((LCD_XSIZE + 90) * sizeof(I16));
- _ShowText("Several waves...");
- Param.aY = (I16*)GUI_ALLOC_h2p(hMem);
- _GetSineData(Param.aY, LCD_XSIZE + 90);
- GUI_MEMDEV_Draw(&Rect, _Draw, &Param, 0, GUI_MEMDEV_NOTRANS);
- for (i = 0; (i < 90) && !GUIDEMO_CheckCancel(); i++) {
- _DrawOrData(GUI_GREEN, ++Param.aY);
- GUI_Delay(10);
- }
- GUI_ALLOC_Free(hMem);
- }
- /*********************************************************************
- *
- * GUIDEMO_Graph
- *
- **********************************************************************
- */
- void GUIDEMO_Graph(void) {
- GUIDEMO_ShowIntro("Drawing a graph",
- "Optimized drawing routine for"
- "ndrawing graph data");
- GUI_Clear();
- _Label();
- _DemoRandomGraph();
- GUIDEMO_NotifyStartNext();
- _DemoSineWave();
- GUIDEMO_NotifyStartNext();
- _DemoOrData();
- }
- #elif defined(NC30) || defined(NC308)
- void GUIDEMO_Graph(void) {}
- #endif