Kevin Abraham
ECE 4180 Lab 2 Part 3
Dependencies: 4DGL-uLCD-SE LSM9DS1_Library_cal mbed
Fork of
uLCD144G2_demo
by 
jim hamblen
Revision 6:f752accd632c, committed 2013-11-22
- Comitter:
- 4180_1
- Date:
- Fri Nov 22 02:45:05 2013 +0000
- Parent:
- 5:a1ef40ff0f78
- Child:
- 7:7bd7397ab89f
- Commit message:
- ver1.4
Changed in this revision
--- a/4DGL-uLCD-SE.lib Wed Nov 20 03:26:19 2013 +0000 +++ b/4DGL-uLCD-SE.lib Fri Nov 22 02:45:05 2013 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/4180_1/code/4DGL-uLCD-SE/#74df7fc26fef +http://mbed.org/users/4180_1/code/4DGL-uLCD-SE/#8936798c19a3
--- a/main.cpp Wed Nov 20 03:26:19 2013 +0000
+++ b/main.cpp Fri Nov 22 02:45:05 2013 +0000
@@ -19,15 +19,15 @@
#include "mbed.h"
#include "uLCD_4DGL.h"
-#define SIZE_X 128
-#define SIZE_Y 128
+//#define SIZE_X 128
+//#define SIZE_Y 128
//
uLCD_4DGL uLCD(p9,p10,p11); // serial tx, serial rx, reset pin;
int main()
{
- int pixelcolors[40][40];
+
// basic printf demo = 16 by 18 characters on screen
uLCD.printf("\nHello uLCD World\n"); //Default Green on black text
uLCD.printf("\n Starting Demo...");
@@ -40,8 +40,9 @@
wait(.5);
}
uLCD.cls();
- uLCD.baudrate(256000); //jack up baud rate to max
- //demo graphics
+ uLCD.baudrate(600000); //jack up baud rate to max for fast display
+ //if demo hangs here - try lower baud rates
+ //demo graphics commands
uLCD.background_color(DGREY);
uLCD.circle(60, 50, 30, 0xFF00FF);
uLCD.triangle(120, 100, 40, 40, 10, 100, 0x0000FF);
@@ -52,9 +53,11 @@
uLCD.circle(120, 60, 10, BLACK);
uLCD.set_font(FONT_7X8);
uLCD.text_mode(TRANSPARENT);
+ uLCD.text_bold(ON);
uLCD.text_char('B', 9, 8, BLACK);
uLCD.text_char('I',10, 8, BLACK);
uLCD.text_char('G',11, 8, BLACK);
+ uLCD.text_italic(ON);
uLCD.text_string("This is a test of string", 1, 4, FONT_7X8, WHITE);
wait(2);
// printf text only mode demo
@@ -71,23 +74,38 @@
uLCD.printf("TxtLine %2D Page %D\n",i%16,i/16 );
i++; //16 lines with 18 charaters per line
}
-//draw an image using BLIT (Block Image Transfer) fastest way to transfer pixel data
+ wait(0.5);
+//Bouncing Ball Demo
+ int x=50,y=21,vx=1,vy=1, radius=4;
uLCD.background_color(BLACK);
uLCD.cls();
- for(int i=0; i<40; i++) {
- for(int k=0; k<40; k++) {
- pixelcolors[i][k] = RED;
- }
+ //draw walls
+ uLCD.line(0, 0, 127, 0, WHITE);
+ uLCD.line(127, 0, 127, 127, WHITE);
+ uLCD.line(127, 127, 0, 127, WHITE);
+ uLCD.line(0, 127, 0, 0, WHITE);
+ for (int i=0; i<1000; i++) {
+ //draw ball
+ uLCD.circle(x, y, radius, RED);
+ //bounce off edge walls?
+ if ((x<=radius+1) || (x>=126-radius)) vx = -vx;
+ if ((y<=radius+1) || (y>=126-radius)) vy = -vy;
+ //erase old ball location
+ uLCD.circle(x, y, radius, BLACK);
+ //move ball
+ x=x+vx;
+ y=y+vy;
}
- uLCD.BLIT(50, 50, 40, 40, &pixelcolors[0][0]);
- wait(5);
+ wait(1);
//draw an image pixel by pixel
+ int pixelcolors[50][50];
uLCD.background_color(BLACK);
uLCD.cls();
-//compute Mandelbrot image for display
+//compute Mandelbrot set image for display
//image size in pixels and setup
const unsigned ImageHeight=128;
const unsigned ImageWidth=128;
+ //region to display
double MinRe = -0.75104;
double MaxRe = -0.7408;
double MinIm = 0.10511;
@@ -100,26 +118,26 @@
for(unsigned x=0; x<ImageWidth; ++x) {
double c_re = MinRe + x*Re_factor;
double Z_re = c_re, Z_im = c_im;
- bool isInside = true;
int niterations=0;
for(unsigned n=0; n<MaxIterations; ++n) {
double Z_re2 = Z_re*Z_re, Z_im2 = Z_im*Z_im;
if(Z_re2 + Z_im2 > 4) {
niterations = n;
- isInside = false;
break;
}
Z_im = 2*Z_re*Z_im + c_im;
Z_re = Z_re2 - Z_im2 + c_re;
}
- if(isInside==false) uLCD.pixel(x,y,((niterations & 0xF00)<<12)+((niterations & 0xF0)<<8)+((niterations & 0x0F)<<4) );
+ if (niterations!=(MaxIterations-1))
+ uLCD.pixel(x,y,((niterations & 0xF00)<<12)+((niterations & 0xF0)<<8)+((niterations & 0x0F)<<4) );
}
}
wait(5);
- // PLASMA wave BLIT animation
+// PLASMA wave BLIT animation
+//draw an image using BLIT (Block Image Transfer) fastest way to transfer pixel data
uLCD.cls();
- int num_cols=40;
- int num_rows=40;
+ int num_cols=50;
+ int num_rows=50;
double a,b,c=0.0;
while(1) {
for (int k=0; k<num_cols; k++) {
@@ -131,15 +149,15 @@
// uses a and b to compute pixel colors based on rol and col location in array
// also keeps colors at the same brightness level
if ((a+b) <.667)
- pixelcolors[i][k] = (255-(int(240.0*((a+b)/0.667)))<<16) | (int(240.0*((a+b)/0.667))<<8) | 0;
+ pixelcolors[i][k] = (255-(int(254.0*((a+b)/0.667)))<<16) | (int(254.0*((a+b)/0.667))<<8) | 0;
else if ((a+b)<1.333)
- pixelcolors[i][k] = (0 <<16) | (255-(int (240.0*((a+b-0.667)/0.667)))<<8) | int(240.0*((a+b-0.667)/0.667));
+ pixelcolors[i][k] = (0 <<16) | (255-(int (254.0*((a+b-0.667)/0.667)))<<8) | int(254.0*((a+b-0.667)/0.667));
else
- pixelcolors[i][k] = (int(255*((a+b-1.333)/0.667))<<16) | (0<<8) | (255-(int (240.0*((a+b-1.333)/0.667))));
+ pixelcolors[i][k] = (int(255*((a+b-1.333)/0.667))<<16) | (0<<8) | (255-(int (254.0*((a+b-1.333)/0.667))));
}
}
- uLCD.BLIT(50, 50, 40, 40, &pixelcolors[0][0]);
+ uLCD.BLIT(39, 39, 50, 50, &pixelcolors[0][0]);
c = c + 0.0314159*3.0;
if (c > 6.2831) c = 0.0;
}
-}
\ No newline at end of file
+}
--- a/mbed.bld Wed Nov 20 03:26:19 2013 +0000 +++ b/mbed.bld Fri Nov 22 02:45:05 2013 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/9114680c05da +http://mbed.org/users/mbed_official/code/mbed/builds/f37f3b9c9f0b \ No newline at end of file