EmbeddedArtists AB / Mbed 2 deprecated debug_eth_plus_lcd

A simple example using a display and networking at the same time.

Dependencies:   EALib EthernetInterface mbed-rtos mbed

Graphics.cpp@0:833824a40ced, 2014-07-21 (annotated)

Committer:
embeddedartists
Date:
Mon Jul 21 09:42:16 2014 +0000
Revision:
0:833824a40ced
Very basic example of using display and networking at the same time.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:833824a40ced 1
embeddedartists 0:833824a40ced 2 #include "mbed.h"
embeddedartists 0:833824a40ced 3 #include "Graphics.h"
embeddedartists 0:833824a40ced 4
embeddedartists 0:833824a40ced 5
embeddedartists 0:833824a40ced 6 Graphics::Graphics(uint16_t *pFrmBuf, uint16_t dispWidth, uint16_t dispHeight)
embeddedartists 0:833824a40ced 7 {
embeddedartists 0:833824a40ced 8 this->windowX = dispWidth;
embeddedartists 0:833824a40ced 9 this->windowY = dispHeight;
embeddedartists 0:833824a40ced 10 this->pFrmBuf = pFrmBuf;
embeddedartists 0:833824a40ced 11 }
embeddedartists 0:833824a40ced 12
embeddedartists 0:833824a40ced 13 void Graphics::setFrameBuffer( uint16_t *pFrmBuf )
embeddedartists 0:833824a40ced 14 {
embeddedartists 0:833824a40ced 15 this->pFrmBuf = pFrmBuf;
embeddedartists 0:833824a40ced 16 }
embeddedartists 0:833824a40ced 17
embeddedartists 0:833824a40ced 18 int32_t Graphics::abs(int32_t v1) const
embeddedartists 0:833824a40ced 19 {
embeddedartists 0:833824a40ced 20 if (v1 > 0)
embeddedartists 0:833824a40ced 21 return v1;
embeddedartists 0:833824a40ced 22
embeddedartists 0:833824a40ced 23 return -v1;
embeddedartists 0:833824a40ced 24 }
embeddedartists 0:833824a40ced 25
embeddedartists 0:833824a40ced 26 /***********************************************************************
embeddedartists 0:833824a40ced 27 *
embeddedartists 0:833824a40ced 28 * Function: swim_put_line_raw
embeddedartists 0:833824a40ced 29 *
embeddedartists 0:833824a40ced 30 * Purpose: Draw a line on the physical display
embeddedartists 0:833824a40ced 31 *
embeddedartists 0:833824a40ced 32 * Processing:
embeddedartists 0:833824a40ced 33 * See function.
embeddedartists 0:833824a40ced 34 *
embeddedartists 0:833824a40ced 35 * Parameters:
embeddedartists 0:833824a40ced 36 * win : Window identifier
embeddedartists 0:833824a40ced 37 * x1 : Physical X position of X line start
embeddedartists 0:833824a40ced 38 * y1 : Physical Y position of Y line start
embeddedartists 0:833824a40ced 39 * x2 : Physical X position of X line end
embeddedartists 0:833824a40ced 40 * y2 : Physical Y position of Y line end
embeddedartists 0:833824a40ced 41 *
embeddedartists 0:833824a40ced 42 * Outputs: None
embeddedartists 0:833824a40ced 43 *
embeddedartists 0:833824a40ced 44 * Returns: Nothing
embeddedartists 0:833824a40ced 45 *
embeddedartists 0:833824a40ced 46 * Notes: None
embeddedartists 0:833824a40ced 47 *
embeddedartists 0:833824a40ced 48 **********************************************************************/
embeddedartists 0:833824a40ced 49 void Graphics::put_line(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int16_t color)
embeddedartists 0:833824a40ced 50 {
embeddedartists 0:833824a40ced 51 int32_t e2, sx, sy, dx, dy, err;
embeddedartists 0:833824a40ced 52
embeddedartists 0:833824a40ced 53 /* calculate delta_x and delta_y */
embeddedartists 0:833824a40ced 54 dx = abs(x2 - x1);
embeddedartists 0:833824a40ced 55 dy = abs(y2 - y1);
embeddedartists 0:833824a40ced 56
embeddedartists 0:833824a40ced 57 /* set the direction for the step for both x and y, and
embeddedartists 0:833824a40ced 58 initialize the error */
embeddedartists 0:833824a40ced 59 if (x1 < x2)
embeddedartists 0:833824a40ced 60 sx = 1;
embeddedartists 0:833824a40ced 61 else
embeddedartists 0:833824a40ced 62 sx = -1;
embeddedartists 0:833824a40ced 63
embeddedartists 0:833824a40ced 64 if (y1 < y2)
embeddedartists 0:833824a40ced 65 sy = 1;
embeddedartists 0:833824a40ced 66 else
embeddedartists 0:833824a40ced 67 sy = -1;
embeddedartists 0:833824a40ced 68
embeddedartists 0:833824a40ced 69 err = dx - dy;
embeddedartists 0:833824a40ced 70
embeddedartists 0:833824a40ced 71 while (1)
embeddedartists 0:833824a40ced 72 {
embeddedartists 0:833824a40ced 73 if ((x1 >= 0) && (x1 < this->windowX) &&
embeddedartists 0:833824a40ced 74 (y1 >= 0) && (y1 < this->windowY))
embeddedartists 0:833824a40ced 75 this->pFrmBuf[x1 + (this->windowX*y1)] = color;
embeddedartists 0:833824a40ced 76
embeddedartists 0:833824a40ced 77 if ((x1 == x2) && (y1 == y2))
embeddedartists 0:833824a40ced 78 return;
embeddedartists 0:833824a40ced 79
embeddedartists 0:833824a40ced 80 e2 = 2 * err;
embeddedartists 0:833824a40ced 81 if (e2 > -dy)
embeddedartists 0:833824a40ced 82 {
embeddedartists 0:833824a40ced 83 err -= dy;
embeddedartists 0:833824a40ced 84 x1 += sx;
embeddedartists 0:833824a40ced 85 }
embeddedartists 0:833824a40ced 86 if (e2 < dx)
embeddedartists 0:833824a40ced 87 {
embeddedartists 0:833824a40ced 88 err += dx;
embeddedartists 0:833824a40ced 89 y1 += sy;
embeddedartists 0:833824a40ced 90 }
embeddedartists 0:833824a40ced 91 }
embeddedartists 0:833824a40ced 92 }
embeddedartists 0:833824a40ced 93
embeddedartists 0:833824a40ced 94 /***********************************************************************
embeddedartists 0:833824a40ced 95 *
embeddedartists 0:833824a40ced 96 * Function: plot4points
embeddedartists 0:833824a40ced 97 *
embeddedartists 0:833824a40ced 98 * Purpose:
embeddedartists 0:833824a40ced 99 *
embeddedartists 0:833824a40ced 100 * Processing:
embeddedartists 0:833824a40ced 101 * See function.
embeddedartists 0:833824a40ced 102 *
embeddedartists 0:833824a40ced 103 * Parameters:
embeddedartists 0:833824a40ced 104 * win : Window identifier
embeddedartists 0:833824a40ced 105 * cx :
embeddedartists 0:833824a40ced 106 * cy :
embeddedartists 0:833824a40ced 107 * x :
embeddedartists 0:833824a40ced 108 * y :
embeddedartists 0:833824a40ced 109 * Filled :
embeddedartists 0:833824a40ced 110 *
embeddedartists 0:833824a40ced 111 * Outputs: None
embeddedartists 0:833824a40ced 112 *
embeddedartists 0:833824a40ced 113 * Returns: Nothing
embeddedartists 0:833824a40ced 114 *
embeddedartists 0:833824a40ced 115 * Notes: None
embeddedartists 0:833824a40ced 116 *
embeddedartists 0:833824a40ced 117 **********************************************************************/
embeddedartists 0:833824a40ced 118 void Graphics::plot4points( int32_t cx, int32_t cy, int32_t x, int32_t y, int16_t color, int32_t Filled )
embeddedartists 0:833824a40ced 119 {
embeddedartists 0:833824a40ced 120 int16_t x0, x1, y0, y1;
embeddedartists 0:833824a40ced 121
embeddedartists 0:833824a40ced 122 y0 = cy + y;
embeddedartists 0:833824a40ced 123 y1 = cy - y;
embeddedartists 0:833824a40ced 124 if( Filled )
embeddedartists 0:833824a40ced 125 {
embeddedartists 0:833824a40ced 126 for( x0=cx - x; x0<=cx + x; x0++ )
embeddedartists 0:833824a40ced 127 {
embeddedartists 0:833824a40ced 128 if ((x0>=0) && (x0<this->windowX) && (y0>=0) && (y0<this->windowY))
embeddedartists 0:833824a40ced 129 this->pFrmBuf[x0 + (this->windowX*y0)] = color;
embeddedartists 0:833824a40ced 130 if ((x0>=0) && (x0<this->windowX) && (y1>=0) && (y1<this->windowY))
embeddedartists 0:833824a40ced 131 this->pFrmBuf[x0 + (this->windowX*y1)] = color;
embeddedartists 0:833824a40ced 132 }
embeddedartists 0:833824a40ced 133 }
embeddedartists 0:833824a40ced 134 else
embeddedartists 0:833824a40ced 135 {
embeddedartists 0:833824a40ced 136 x0 = cx + x;
embeddedartists 0:833824a40ced 137 x1 = cx - x;
embeddedartists 0:833824a40ced 138 if ((x0>=0) && (x0<this->windowX) && (y0>=0) && (y0<this->windowY))
embeddedartists 0:833824a40ced 139 this->pFrmBuf[x0 + (this->windowX*y0)] = color;
embeddedartists 0:833824a40ced 140 if ((x != 0) &&
embeddedartists 0:833824a40ced 141 (x1>=0) && (x1<this->windowX) && (y0>=0) && (y0<this->windowY))
embeddedartists 0:833824a40ced 142 this->pFrmBuf[x1 + (this->windowX*y0)] = color;
embeddedartists 0:833824a40ced 143 if ((y != 0) &&
embeddedartists 0:833824a40ced 144 (x0>=0) && (x0<this->windowX) && (y1>=0) && (y1<this->windowY))
embeddedartists 0:833824a40ced 145 this->pFrmBuf[x0 + (this->windowX*y1)] = color;
embeddedartists 0:833824a40ced 146 if ((x != 0 && y != 0) &&
embeddedartists 0:833824a40ced 147 (x1>=0) && (x1<this->windowX) && (y1>=0) && (y1<this->windowY))
embeddedartists 0:833824a40ced 148 this->pFrmBuf[x1 + (this->windowX*y1)] = color;
embeddedartists 0:833824a40ced 149 }
embeddedartists 0:833824a40ced 150 }
embeddedartists 0:833824a40ced 151
embeddedartists 0:833824a40ced 152 /***********************************************************************
embeddedartists 0:833824a40ced 153 *
embeddedartists 0:833824a40ced 154 * Function: plot8points
embeddedartists 0:833824a40ced 155 *
embeddedartists 0:833824a40ced 156 * Purpose:
embeddedartists 0:833824a40ced 157 *
embeddedartists 0:833824a40ced 158 * Processing:
embeddedartists 0:833824a40ced 159 * See function.
embeddedartists 0:833824a40ced 160 *
embeddedartists 0:833824a40ced 161 * Parameters:
embeddedartists 0:833824a40ced 162 * win : Window identifier
embeddedartists 0:833824a40ced 163 * cx :
embeddedartists 0:833824a40ced 164 * cy :
embeddedartists 0:833824a40ced 165 * x :
embeddedartists 0:833824a40ced 166 * y :
embeddedartists 0:833824a40ced 167 * Filled :
embeddedartists 0:833824a40ced 168 *
embeddedartists 0:833824a40ced 169 * Outputs: None
embeddedartists 0:833824a40ced 170 *
embeddedartists 0:833824a40ced 171 * Returns: Nothing
embeddedartists 0:833824a40ced 172 *
embeddedartists 0:833824a40ced 173 * Notes: None
embeddedartists 0:833824a40ced 174 *
embeddedartists 0:833824a40ced 175 **********************************************************************/
embeddedartists 0:833824a40ced 176 void Graphics::plot8points( int32_t cx, int32_t cy, int32_t x, int32_t y, int16_t color, int32_t Filled )
embeddedartists 0:833824a40ced 177 {
embeddedartists 0:833824a40ced 178 plot4points( cx, cy, x, y, color, Filled );
embeddedartists 0:833824a40ced 179 if (x != y)
embeddedartists 0:833824a40ced 180 plot4points( cx, cy, y, x, color, Filled );
embeddedartists 0:833824a40ced 181 }
embeddedartists 0:833824a40ced 182
embeddedartists 0:833824a40ced 183 /***********************************************************************
embeddedartists 0:833824a40ced 184 *
embeddedartists 0:833824a40ced 185 * Function: swim_put_circle
embeddedartists 0:833824a40ced 186 *
embeddedartists 0:833824a40ced 187 * Purpose:
embeddedartists 0:833824a40ced 188 *
embeddedartists 0:833824a40ced 189 * Processing:
embeddedartists 0:833824a40ced 190 * See function.
embeddedartists 0:833824a40ced 191 *
embeddedartists 0:833824a40ced 192 * Parameters:
embeddedartists 0:833824a40ced 193 * win : Window identifier
embeddedartists 0:833824a40ced 194 * cx :
embeddedartists 0:833824a40ced 195 * cy :
embeddedartists 0:833824a40ced 196 * radius :
embeddedartists 0:833824a40ced 197 * Filled :
embeddedartists 0:833824a40ced 198 *
embeddedartists 0:833824a40ced 199 * Outputs: None
embeddedartists 0:833824a40ced 200 *
embeddedartists 0:833824a40ced 201 * Returns: Nothing
embeddedartists 0:833824a40ced 202 *
embeddedartists 0:833824a40ced 203 * Notes: None
embeddedartists 0:833824a40ced 204 *
embeddedartists 0:833824a40ced 205 **********************************************************************/
embeddedartists 0:833824a40ced 206 void Graphics::put_circle( int32_t cx, int32_t cy, int16_t color, int32_t radius, int32_t Filled )
embeddedartists 0:833824a40ced 207 {
embeddedartists 0:833824a40ced 208 int32_t Error = -radius;
embeddedartists 0:833824a40ced 209 int16_t x = radius;
embeddedartists 0:833824a40ced 210 int16_t y = 0;
embeddedartists 0:833824a40ced 211
embeddedartists 0:833824a40ced 212 while( x >= y )
embeddedartists 0:833824a40ced 213 {
embeddedartists 0:833824a40ced 214 plot8points( cx, cy, x, y, color, Filled );
embeddedartists 0:833824a40ced 215
embeddedartists 0:833824a40ced 216 Error += y;
embeddedartists 0:833824a40ced 217 ++y;
embeddedartists 0:833824a40ced 218 Error += y;
embeddedartists 0:833824a40ced 219
embeddedartists 0:833824a40ced 220 if( Error >= 0 )
embeddedartists 0:833824a40ced 221 {
embeddedartists 0:833824a40ced 222 --x;
embeddedartists 0:833824a40ced 223 Error -= x;
embeddedartists 0:833824a40ced 224 Error -= x;
embeddedartists 0:833824a40ced 225 }
embeddedartists 0:833824a40ced 226 }
embeddedartists 0:833824a40ced 227 }
embeddedartists 0:833824a40ced 228
embeddedartists 0:833824a40ced 229