Kenji Arai / Mbed OS DISCO-F769NI_several_example

Several examples run on only mbed-os5.13.0 (not 5.14.0)

Dependencies:   BD_SD_DISCO_F769NI BSP_DISCO_F769NI LCD_DISCO_F769NI TS_DISCO_F769NI USBHost_F769NI

z_example/7_Mandelbrot.cpp@4:0f4affc00183, 2019-10-14 (annotated)

Committer:
kenjiArai
Date:
Mon Oct 14 08:55:15 2019 +0000
Revision:
4:0f4affc00183
Several Examples

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 4:0f4affc00183 1 //---------------------------------------------------------------
kenjiArai 4:0f4affc00183 2 // Mandelbrot set generator
kenjiArai 4:0f4affc00183 3 //
kenjiArai 4:0f4affc00183 4 // Mandelbrot set is displayed using 3 kinds of color pattern.
kenjiArai 4:0f4affc00183 5 // Tap the Mandelbrot set on the screen, expanded figure by a
kenjiArai 4:0f4affc00183 6 // factor of two around the tapped position is displayed.
kenjiArai 4:0f4affc00183 7 //
kenjiArai 4:0f4affc00183 8 // 2016/02/22, Copyright (c) 2016 MIKAMI, Naoki
kenjiArai 4:0f4affc00183 9 //---------------------------------------------------------------
kenjiArai 4:0f4affc00183 10 // https://os.mbed.com/users/MikamiUitOpen/code/F746_Mandelbrot/
kenjiArai 4:0f4affc00183 11 //
kenjiArai 4:0f4affc00183 12 // Modified by JH1PJL/K.Arai April 26th, 2018 for DISCO-F469NI
kenjiArai 4:0f4affc00183 13 // Modified by JH1PJL/K.Arai October 14th, 2019 for DISCO-F769NI
kenjiArai 4:0f4affc00183 14
kenjiArai 4:0f4affc00183 15 #include "select_program.h"
kenjiArai 4:0f4affc00183 16 //#define EXAMPLE_7_MANDEL
kenjiArai 4:0f4affc00183 17 #ifdef EXAMPLE_7_MANDEL
kenjiArai 4:0f4affc00183 18
kenjiArai 4:0f4affc00183 19 #include "button_group.hpp"
kenjiArai 4:0f4affc00183 20 #include "mandelbrot.hpp"
kenjiArai 4:0f4affc00183 21
kenjiArai 4:0f4affc00183 22 using namespace Mikami;
kenjiArai 4:0f4affc00183 23
kenjiArai 4:0f4affc00183 24 struct PointF
kenjiArai 4:0f4affc00183 25 {
kenjiArai 4:0f4affc00183 26 PointF() {}
kenjiArai 4:0f4affc00183 27 PointF(float x0, float y0) : x(x0), y(y0) {}
kenjiArai 4:0f4affc00183 28 float x, y;
kenjiArai 4:0f4affc00183 29 };
kenjiArai 4:0f4affc00183 30
kenjiArai 4:0f4affc00183 31 TS_DISCO_F769NI ts_;
kenjiArai 4:0f4affc00183 32 LCD_DISCO_F769NI lcd_;
kenjiArai 4:0f4affc00183 33 Serial pc(USBTX, USBRX, 115200);
kenjiArai 4:0f4affc00183 34
kenjiArai 4:0f4affc00183 35 const int X0_ = 0; // origin of x axis
kenjiArai 4:0f4affc00183 36 const int Y0_ = 0; // origin of y axis
kenjiArai 4:0f4affc00183 37
kenjiArai 4:0f4affc00183 38 const int NX_ = 670; // number of pixels for horizon
kenjiArai 4:0f4affc00183 39 const int NY_ = 542; // number of pixels for vertical
kenjiArai 4:0f4affc00183 40
kenjiArai 4:0f4affc00183 41 void Redraw(MandelbrotBase *mandel,
kenjiArai 4:0f4affc00183 42 float wH, float hH, PointF xy, int level,
kenjiArai 4:0f4affc00183 43 float &x1, float &x2, float &y1, float &y2)
kenjiArai 4:0f4affc00183 44 {
kenjiArai 4:0f4affc00183 45 x1 = xy.x - wH;
kenjiArai 4:0f4affc00183 46 x2 = xy.x + wH;
kenjiArai 4:0f4affc00183 47 y1 = xy.y - hH;
kenjiArai 4:0f4affc00183 48 y2 = xy.y + hH;
kenjiArai 4:0f4affc00183 49
kenjiArai 4:0f4affc00183 50 char str[16];
kenjiArai 4:0f4affc00183 51 lcd_.SetTextColor(LCD_COLOR_WHITE);
kenjiArai 4:0f4affc00183 52 lcd_.DisplayStringAt(520, 424, (uint8_t *)str, LEFT_MODE);
kenjiArai 4:0f4affc00183 53 sprintf(str, "x:%7.3f", xy.x);
kenjiArai 4:0f4affc00183 54 lcd_.DisplayStringAt(520, 440, (uint8_t *)str, LEFT_MODE);
kenjiArai 4:0f4affc00183 55 sprintf(str, "y:%7.3f", -xy.y);
kenjiArai 4:0f4affc00183 56 lcd_.DisplayStringAt(520, 456, (uint8_t *)str, LEFT_MODE);
kenjiArai 4:0f4affc00183 57 mandel->Display(x1, x2, y1, y2);
kenjiArai 4:0f4affc00183 58 }
kenjiArai 4:0f4affc00183 59
kenjiArai 4:0f4affc00183 60 int main()
kenjiArai 4:0f4affc00183 61 {
kenjiArai 4:0f4affc00183 62 const int LEVEL = 18;
kenjiArai 4:0f4affc00183 63 PointF xy[LEVEL]; // corresponding to touched position
kenjiArai 4:0f4affc00183 64
kenjiArai 4:0f4affc00183 65 uint32_t backColor = 0xFF006A6C; // teal green
kenjiArai 4:0f4affc00183 66 uint32_t inActive = backColor & 0xE0FFFFFF; // color for inactive button
kenjiArai 4:0f4affc00183 67
kenjiArai 4:0f4affc00183 68 // region to be displayed
kenjiArai 4:0f4affc00183 69 float x1 = -2.3f;
kenjiArai 4:0f4affc00183 70 float x2 = 0.9f;
kenjiArai 4:0f4affc00183 71 float y1 = -1.3f;
kenjiArai 4:0f4affc00183 72 float y2 = 1.3f;
kenjiArai 4:0f4affc00183 73
kenjiArai 4:0f4affc00183 74 float wH = (x2 - x1)/2.0f; // half width of region
kenjiArai 4:0f4affc00183 75 float hH = (y2 - y1)/2.0f; // half height of region
kenjiArai 4:0f4affc00183 76
kenjiArai 4:0f4affc00183 77 xy[0] = PointF(x1 + wH, y1 + hH);
kenjiArai 4:0f4affc00183 78
kenjiArai 4:0f4affc00183 79 pc.printf("\x1b[2J\x1b[H %s\r\n %s %s (UTC)\r\n",
kenjiArai 4:0f4affc00183 80 __FILE__, __DATE__, __TIME__);
kenjiArai 4:0f4affc00183 81 printf(" Mandelbrot picture for DISCO-F769NI:\r\n");
kenjiArai 4:0f4affc00183 82
kenjiArai 4:0f4affc00183 83 lcd_.Clear(backColor);
kenjiArai 4:0f4affc00183 84
kenjiArai 4:0f4affc00183 85 MandelbrotBase *mandel[3];
kenjiArai 4:0f4affc00183 86 mandel[0] = new MandelbrotBW(lcd_, X0_, Y0_, NX_, NY_- 60);
kenjiArai 4:0f4affc00183 87 mandel[1] = new MandelbrotColor1(lcd_, X0_, Y0_, NX_, NY_- 60);
kenjiArai 4:0f4affc00183 88 mandel[2] = new MandelbrotColor2(lcd_, X0_, Y0_, NX_, NY_- 60);
kenjiArai 4:0f4affc00183 89
kenjiArai 4:0f4affc00183 90 const string strButton[3] = {"B & W", "Color1", "Color2"};
kenjiArai 4:0f4affc00183 91 ButtonGroup bGroup(lcd_, ts_, 680, Y0_, 120, 80,
kenjiArai 4:0f4affc00183 92 LCD_COLOR_BLUE, backColor,
kenjiArai 4:0f4affc00183 93 3, strButton, 0, 5, 1, Font24);
kenjiArai 4:0f4affc00183 94 Button back(lcd_, ts_, 680, 390+Y0_, 120, 80,
kenjiArai 4:0f4affc00183 95 LCD_COLOR_BLUE, backColor, "Back", Font24);
kenjiArai 4:0f4affc00183 96 back.Draw(inActive, LCD_COLOR_GRAY);
kenjiArai 4:0f4affc00183 97
kenjiArai 4:0f4affc00183 98
kenjiArai 4:0f4affc00183 99 // area of Mandelbrot set
kenjiArai 4:0f4affc00183 100 Button area(lcd_, ts_, X0_, Y0_, NX_, NY_, backColor, backColor);
kenjiArai 4:0f4affc00183 101
kenjiArai 4:0f4affc00183 102 lcd_.SetTextColor(LCD_COLOR_WHITE);
kenjiArai 4:0f4affc00183 103 lcd_.SetFont(&Font24);
kenjiArai 4:0f4affc00183 104 lcd_.DisplayStringAt(280, 460, (uint8_t *)"Mandelbrot set", LEFT_MODE);
kenjiArai 4:0f4affc00183 105
kenjiArai 4:0f4affc00183 106 int pattern = -1;
kenjiArai 4:0f4affc00183 107 int level = 0;
kenjiArai 4:0f4affc00183 108 bool first = true;
kenjiArai 4:0f4affc00183 109 while (true){
kenjiArai 4:0f4affc00183 110 int num = -1;
kenjiArai 4:0f4affc00183 111 // select color pattern and display
kenjiArai 4:0f4affc00183 112 if (bGroup.GetTouchedNumber(num) && (pattern != num)){
kenjiArai 4:0f4affc00183 113 bGroup.Draw(num, LCD_COLOR_DARKBLUE);
kenjiArai 4:0f4affc00183 114 mandel[num]->Display(x1, x2, y1, y2);
kenjiArai 4:0f4affc00183 115 pattern = num;
kenjiArai 4:0f4affc00183 116 bGroup.Redraw(num);
kenjiArai 4:0f4affc00183 117
kenjiArai 4:0f4affc00183 118 if (first){
kenjiArai 4:0f4affc00183 119 lcd_.SetBackColor(backColor);
kenjiArai 4:0f4affc00183 120 lcd_.SetFont(&Font20);
kenjiArai 4:0f4affc00183 121 lcd_.DisplayStringAt(680, LINE(16), (uint8_t *)"Tap to",
kenjiArai 4:0f4affc00183 122 LEFT_MODE);
kenjiArai 4:0f4affc00183 123 lcd_.DisplayStringAt(680, LINE(17), (uint8_t *)"Zoom in.",
kenjiArai 4:0f4affc00183 124 LEFT_MODE);
kenjiArai 4:0f4affc00183 125 first = false;
kenjiArai 4:0f4affc00183 126 }
kenjiArai 4:0f4affc00183 127 }
kenjiArai 4:0f4affc00183 128
kenjiArai 4:0f4affc00183 129 // expand twice around tapped point
kenjiArai 4:0f4affc00183 130 if (area.Touched() && (pattern != -1)){
kenjiArai 4:0f4affc00183 131 TS_StateTypeDef state = Button::GottenState();
kenjiArai 4:0f4affc00183 132
kenjiArai 4:0f4affc00183 133 uint16_t x = state.touchX[0] - X0_;
kenjiArai 4:0f4affc00183 134 uint16_t y = state.touchY[0] - Y0_;
kenjiArai 4:0f4affc00183 135
kenjiArai 4:0f4affc00183 136 lcd_.SetBackColor(backColor);
kenjiArai 4:0f4affc00183 137 if (++level < LEVEL){
kenjiArai 4:0f4affc00183 138 xy[level] = PointF(mandel[pattern]->Fx(x),
kenjiArai 4:0f4affc00183 139 mandel[pattern]->Fy(y));
kenjiArai 4:0f4affc00183 140 wH = wH/2.0f;
kenjiArai 4:0f4affc00183 141 hH = hH/2.0f;
kenjiArai 4:0f4affc00183 142
kenjiArai 4:0f4affc00183 143 Redraw(mandel[pattern], wH, hH,
kenjiArai 4:0f4affc00183 144 xy[level], level, x1, x2, y1, y2);
kenjiArai 4:0f4affc00183 145 } else {
kenjiArai 4:0f4affc00183 146 lcd_.SetFont(&Font24);
kenjiArai 4:0f4affc00183 147 lcd_.DisplayStringAt(X0_+76, 260,
kenjiArai 4:0f4affc00183 148 (uint8_t *)" No more expand! ",
kenjiArai 4:0f4affc00183 149 LEFT_MODE);
kenjiArai 4:0f4affc00183 150 level = LEVEL - 1 ;
kenjiArai 4:0f4affc00183 151 }
kenjiArai 4:0f4affc00183 152 back.Redraw();
kenjiArai 4:0f4affc00183 153 }
kenjiArai 4:0f4affc00183 154
kenjiArai 4:0f4affc00183 155 // "Back" button tapped
kenjiArai 4:0f4affc00183 156 if (back.Touched() && level > 0){
kenjiArai 4:0f4affc00183 157 back.Draw(LCD_COLOR_DARKBLUE);
kenjiArai 4:0f4affc00183 158 lcd_.SetBackColor(backColor);
kenjiArai 4:0f4affc00183 159 if (level > 0){
kenjiArai 4:0f4affc00183 160 level--;
kenjiArai 4:0f4affc00183 161 wH = wH*2.0f;
kenjiArai 4:0f4affc00183 162 hH = hH*2.0f;
kenjiArai 4:0f4affc00183 163
kenjiArai 4:0f4affc00183 164 Redraw(mandel[pattern], wH, hH, xy[level],
kenjiArai 4:0f4affc00183 165 level, x1, x2, y1, y2);
kenjiArai 4:0f4affc00183 166 if (level > 0){
kenjiArai 4:0f4affc00183 167 back.Redraw();
kenjiArai 4:0f4affc00183 168 } else {
kenjiArai 4:0f4affc00183 169 back.Draw(inActive, LCD_COLOR_GRAY);
kenjiArai 4:0f4affc00183 170 }
kenjiArai 4:0f4affc00183 171 }
kenjiArai 4:0f4affc00183 172 }
kenjiArai 4:0f4affc00183 173 ThisThread::sleep_for(100);
kenjiArai 4:0f4affc00183 174 }
kenjiArai 4:0f4affc00183 175 }
kenjiArai 4:0f4affc00183 176 #endif