ECE 4180 Lab 2 Part 3

Dependencies:   4DGL-uLCD-SE LSM9DS1_Library_cal mbed

Fork of uLCD144G2_demo by jim hamblen

Files at this revision

API Documentation at this revision

Comitter:
abraha2d
Date:
Tue Oct 09 00:47:15 2018 +0000
Parent:
9:f20983c914aa
Commit message:
Save point

Changed in this revision

LSM9DS1_Library_cal.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r f20983c914aa -r bdf425b0e9fa LSM9DS1_Library_cal.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LSM9DS1_Library_cal.lib	Tue Oct 09 00:47:15 2018 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/4180_1/code/LSM9DS1_Library_cal/#36abf8e18ade
diff -r f20983c914aa -r bdf425b0e9fa main.cpp
--- a/main.cpp	Wed Oct 28 15:06:56 2015 +0000
+++ b/main.cpp	Tue Oct 09 00:47:15 2018 +0000
@@ -1,171 +1,41 @@
-// uLCD-144-G2 demo program for uLCD-4GL LCD driver library
-//
 #include "mbed.h"
+#include "LSM9DS1.h"
 #include "uLCD_4DGL.h"
 
+#define PI 3.14159
+
+// Earth's magnetic field varies by location. Add or subtract
+// a declination to get a more accurate heading. Calculate
+// your's here:
+// http://www.ngdc.noaa.gov/geomag-web/#declination
+#define DECLINATION -4.94 // Declination (degrees) in Atlanta,GA.
+
+Serial pc(USBTX, USBRX);
 uLCD_4DGL uLCD(p9,p10,p11); // serial tx, serial rx, reset pin;
 
 int main()
 {
-    // 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...");
-    uLCD.text_width(4); //4X size text
-    uLCD.text_height(4);
-    uLCD.color(RED);
-    for (int i=10; i>=0; --i) {
-        uLCD.locate(1,2);
-        uLCD.printf("%2D",i);
-        wait(.5);
-    }
     uLCD.cls();
-    uLCD.printf("Change baudrate......");
-    uLCD.baudrate(3000000); //jack up baud rate to max for fast display
-    //if demo hangs here - try lower baud rates
-    //
-    // printf text only full screen mode demo
-    uLCD.background_color(BLUE);
-    uLCD.cls();
-    uLCD.locate(0,0);
-    uLCD.color(WHITE);
-    uLCD.textbackground_color(BLUE);
-    uLCD.set_font(FONT_7X8);
-    uLCD.text_mode(OPAQUE);
-    int i=0;
-    while(i<64) {
-        if(i%16==0) uLCD.cls();
-        uLCD.printf("TxtLine %2D Page %D\n",i%16,i/16 );
-        i++; //16 lines with 18 charaters per line
+    uLCD.printf("Baud rate: 3000000");
+    uLCD.baudrate(3000000);
+
+    uLCD.printf("Calibrating IMU...\n");
+    LSM9DS1 IMU(p28, p27, 0xD6, 0x3C);
+    bool success = IMU.begin();
+    if (!success) {
+        uLCD.printf("Failed to communicate with LSM9DS1.\n");
     }
-    wait(0.5);
-    //demo graphics commands
-    uLCD.background_color(BLACK);
-    uLCD.cls();
-    uLCD.background_color(DGREY);
-    uLCD.filled_circle(60, 50, 30, 0xFF00FF);
-    uLCD.triangle(120, 100, 40, 40, 10, 100, 0x0000FF);
-    uLCD.line(0, 0, 80, 60, 0xFF0000);
-    uLCD.filled_rectangle(50, 50, 100, 90, 0x00FF00);
-    uLCD.pixel(60, 60, BLACK);
-    uLCD.read_pixel(120, 70);
-    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);
+    IMU.calibrate(1);
 
-//Bouncing Ball Demo
-    float fx=50.0,fy=21.0,vx=1.0,vy=0.4;
-    int x=50,y=21,radius=4;
-    uLCD.background_color(BLACK);
-    uLCD.cls();
-    //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<1500; i++) {
-        //draw ball
-        uLCD.filled_circle(x, y, radius, RED);
-        //bounce off edge walls and slow down a bit?
-        if ((x<=radius+1) || (x>=126-radius)) vx = -.90*vx;
-        if ((y<=radius+1) || (y>=126-radius)) vy = -.90*vy;
-        //erase old ball location
-        uLCD.filled_circle(x, y, radius, BLACK);
-        //move ball
-        fx=fx+vx;
-        fy=fy+vy;
-        x=(int)fx;
-        y=(int)fy;
-    }
     wait(0.5);
-//draw an image pixel by pixel
-    int pixelcolors[50][50];
-    uLCD.background_color(BLACK);
     uLCD.cls();
-//compute Mandelbrot set image for display
-//image size in pixels
-    const unsigned ImageHeight=128;
-    const unsigned ImageWidth=128;
-    //"c" region to display
-    double MinRe = -0.75104;
-    double MaxRe = -0.7408;
-    double MinIm = 0.10511;
-    double MaxIm = MinIm+(MaxRe-MinRe)*ImageHeight/ImageWidth;
-    double Re_factor = (MaxRe-MinRe)/(ImageWidth-1);
-    double Im_factor = (MaxIm-MinIm)/(ImageHeight-1);
-    unsigned MaxIterations = 2048;
-    for(unsigned y=0; y<ImageHeight; ++y) {
-        double c_im = MaxIm - y*Im_factor;
-        for(unsigned x=0; x<ImageWidth; ++x) {
-            double c_re = MinRe + x*Re_factor;
-            double Z_re = c_re, Z_im = c_im;
-            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;
-                    break;
-                }
-                Z_im = 2*Z_re*Z_im + c_im;
-                Z_re = Z_re2 - Z_im2 + c_re;
-            }
-            if (niterations!=(MaxIterations-1))
-                uLCD.pixel(x,y,((niterations & 0xF00)<<12)+((niterations & 0xF0)<<8)+((niterations & 0x0F)<<4) );
-        }
-    }
-    wait(5);
-// PLASMA wave BLIT animation
-//draw an image using BLIT (Block Image Transfer) fastest way to transfer pixel data
-    uLCD.cls();
-    int num_cols=50;
-    int num_rows=50;
-    int frame=0;
-    double a,b,c=0.0;
-    while(frame<75) {
-        for (int k=0; k<num_cols; k++) {
-            b= (1+sin(3.14159*k*0.75/(num_cols-1.0)+c))*0.5;
-            for (int i=0; i<num_rows; i++) {
-                a= (1+sin(3.14159*i*0.75/(num_rows-1.0)+c))*0.5;
-                // a and b will be a sine wave output between 0 and 1
-                // sine wave was scaled for nice effect across array
-                // 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(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 (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 (254.0*((a+b-1.333)/0.667))));
-            }
-        }
-        uLCD.BLIT(39, 39, 50, 50, &pixelcolors[0][0]);
-        c = c + 0.0314159*3.0;
-        if (c > 6.2831) c = 0.0;
-        frame++;
-    }
-    //Load Image Demo
-    uLCD.cls();
-    //SD card needed with image and video files for last two demos
-    uLCD.cls();
-    uLCD.media_init();
-    uLCD.printf("\n\nAn SD card is needed for image and video data");
-    uLCD.set_sector_address(0x001D, 0x4C01);
-    uLCD.display_image(0,0);
-    wait(10);
-    //Play video demo
     while(1) {
-        uLCD.cls();
-        uLCD.media_init();
-        uLCD.set_sector_address(0x001D, 0x4C42);
-        uLCD.display_video(0,0);
+        while(!IMU.accelAvailable());
+        IMU.readAccel();
+        uLCD.circle(64, 64, 48, GREEN);
+        uLCD.circle(64, 64, 24, GREEN);
+        uLCD.filled_circle(64 + IMU.calcAccel(IMU.ax) * -40, 64 + IMU.calcAccel(IMU.ay) * -40, 16, GREEN);
+        wait(0.05);
+        uLCD.filled_circle(64 + IMU.calcAccel(IMU.ax) * -40, 64 + IMU.calcAccel(IMU.ay) * -40, 16, BLACK);
     }
 }
-
-
-
diff -r f20983c914aa -r bdf425b0e9fa mbed.bld
--- a/mbed.bld	Wed Oct 28 15:06:56 2015 +0000
+++ b/mbed.bld	Tue Oct 09 00:47:15 2018 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/34e6b704fe68
\ No newline at end of file
+https://os.mbed.com/users/mbed_official/code/mbed/builds/e95d10626187
\ No newline at end of file