Revision 0:7757ab3f7206, committed 2017-11-18

Comitter:

dicarloj

Date:

Sat Nov 18 04:18:42 2017 +0000

Commit message:

asdf

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Nov 18 04:18:42 2017 +0000
@@ -0,0 +1,422 @@
+#include "mbed.h"
+#define V_RES 220
+#define H_RES 100
+#include <math.h>
+#define X_MIN 24
+#define X_MAX (76+18)
+#define Y_MIN 7
+#define Y_MAX (V_RES/4 - 15)
+
+#define Y_0 ( (Y_MIN + Y_MAX)/2 )
+#define X_0 ( (X_MIN + X_MAX)/2 )
+#define SIDE 8
+#define HSIDE 8
+#define SIN_V (0.03)
+#define COS_V (0.99955f)
+#define BX_0 30
+#define BY_0 (V_RES/4 - 15)
+#define BX 42
+#define BY 15
+#define DEMO_LENGTH 600
+
+
+DigitalOut sout(D8); //sync
+DigitalOut vout(D7); //video
+Ticker t;
+uint8_t draw_line_inv = 0;
+//9x42
+uint8_t miters[] = {
+1,1,1,1,1,1,1,1,1,1,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+1,1,1,1,1,1,1,1,1,1,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
+1,1,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+1,1,0,0,1,1,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,1,1,1,1,1,0,0,1,1,0,0,0,0,0,0,1,1,1,1,1,1,
+1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,0,1,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,
+1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,1,1,0,0,0,1,1,1,0,0,0,0,0,0,1,1,0,0,0,
+1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,1,1,0,0,
+1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,1,1,1,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,1,
+1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,1,1,1,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1,1,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,1,1,0,1,0,1,0,1,1,0,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,1,1,0,0,0,0,0,0,
+1,1,1,1,1,0,1,0,0,1,1,0,1,1,0,0,1,0,1,1,0,0,0,1,1,0,1,1,0,1,1,0,1,1,0,0,0,1,1,1,1,1,
+1,0,1,0,1,0,1,0,0,1,1,0,1,0,0,0,1,0,0,1,0,1,0,1,0,0,1,0,0,0,1,0,1,0,0,0,0,1,0,1,0,1,
+1,0,1,0,1,0,1,0,0,1,1,0,1,0,0,0,1,0,0,1,0,1,0,1,0,0,1,1,0,1,1,0,1,0,0,0,0,1,0,1,0,1,
+1,0,1,0,1,0,0,1,1,0,1,0,1,0,0,0,1,0,0,0,1,1,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,1,0,1,0,1,
+
+};
+
+uint8_t tv[] = {
+0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,1,0,1,0,0,1,0,1,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,1,0,0,1,0,1,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,1,0,1,0,0,1,0,1,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,0,1,0,0,1,0,1,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,1,0,0,1,0,1,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,1,1,0,1,0,0,0,1,0,1,0,1,0,1,0,0,1,0,1,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,1,0,1,0,1,0,1,0,0,1,0,1,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,1,0,1,0,1,0,1,0,0,1,0,1,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,1,0,1,0,0,1,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,0,0,1,1,1,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,0,0,1,1,1,0,0,0,0,0,0,0,0};
+
+
+
+uint16_t l=0; //current line of scan
+
+uint8_t im_line_s[H_RES]; //image sync buffer
+
+uint8_t bl_line_s[H_RES]; //lower 1/4 of screen sync buffer
+uint8_t bl_line_v[H_RES]; //lower 1/4 of screen video buffer
+uint8_t vb_line_s[H_RES]; //vertical sync, sync buffer
+uint8_t vb_line_v[H_RES]; //vertical sync, video buffer
+
+float cube_a[3] = {15.f, 0.f, 0.f};
+
+
+float cube_pts[8][3] = { {SIDE,SIDE,HSIDE},
+                         {-SIDE,SIDE,HSIDE},
+                         {-SIDE,-SIDE,HSIDE},
+                         {SIDE,-SIDE,HSIDE},
+                         {SIDE,-SIDE,-HSIDE},
+                         {-SIDE,-SIDE,-HSIDE},
+                         {-SIDE,SIDE,-HSIDE},
+                         {SIDE,SIDE,-HSIDE} };
+                         
+float x_rot[3][3] = { {1.f, 0.f, 0.f},
+                        {0.f, COS_V, -SIN_V},
+                        {0.f, SIN_V, COS_V} };
+                        
+float y_rot[3][3] = { {COS_V, 0.f, SIN_V},
+                        {0.f, 1.f, 0.f},
+                        {-SIN_V, 0, COS_V} };
+                        
+float z_rot[3][3] = { {COS_V, -SIN_V, 0.f},
+                        {SIN_V, COS_V, 0.f},
+                        {0.f, 0.f, 1.f} };
+
+
+uint8_t im_line_va[H_RES*V_RES]; //image buffer
+
+void make_checkerboard()
+{
+    for(int i = 0; i < H_RES; i++)
+        for(int j = 0; j < V_RES; j++)
+            im_line_va[i+j*H_RES] = ((i > 20) && (i < 98)) && ((j%2) ^ (i%2)); //checkerboard
+    
+}
+
+void init_buffers()
+{
+    make_checkerboard();
+    for(int i = 0; i < H_RES; i++)
+    {
+        im_line_s[i] = 1;   
+        bl_line_s[i] = 1;
+        bl_line_v[i] = 0;
+        vb_line_s[i] = 0;
+        vb_line_v[i] = 0;
+    }    
+    im_line_s[0] = 0;
+    im_line_s[1] = 0;
+    im_line_s[2] = 0;
+    bl_line_s[0] = 0;
+    vb_line_s[0] = 1;
+    bl_line_s[1] = 0;
+    vb_line_s[1] = 1;
+    
+    
+    
+}
+void isr()
+{
+    uint8_t nop = 0; //use nops or use wait_us
+    uint8_t* sptr; //pointer to sync buffer for line
+    uint8_t* vptr; //pointer to video buffer for line
+    if(l < V_RES){ vptr = im_line_va + ((l/4)*H_RES); sptr = im_line_s; nop = 1; } //pick line buffers
+    else if(l < 254){ vptr = bl_line_v; sptr = bl_line_s; nop = 0; }
+    else{ vptr = vb_line_v; sptr = vb_line_s; nop = 1;}
+    uint8_t lmax = nop?H_RES:12; //number of columns
+    for(uint8_t i = 0; i < lmax; i++) //loop over each column
+    {
+        vout = vptr[i]; //set output pins
+        sout = sptr[i];   
+        if(nop) //nop delay
+        {
+            asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");//asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");asm("nop");
+        }
+        else {wait_us(1); if(i > 2) i++;} //wait delay
+        
+        
+    }
+    //move to next line
+    l++;
+    if(l > 255) l = 0;
+}
+
+//coordinates for bouncing ball
+
+
+
+int k = 0;
+uint16_t px = X_0*10;
+uint16_t py = Y_0*10;
+uint16_t vx = 10;
+uint16_t vy = 10;
+uint16_t px2 = X_0*10 + 80;
+uint16_t py2 = Y_0*10 - 40;
+uint16_t vx2 = 3;
+uint16_t vy2 = -4;
+
+int16_t sign(int16_t a)
+{
+    if(a > 0) return 1;
+    if(a < 0) return -1;
+    return 0;
+}
+
+void draw_vert(int16_t y0, int16_t y1, int16_t x0)
+{
+    for(int16_t i = y0; i < y1; i++)
+        im_line_va[H_RES*i + x0] = 1;
+}
+
+void draw_horiz(int16_t x0, int16_t x1, int16_t y0)
+{
+    for(int16_t i = x0; i < x1; i++)
+        im_line_va[H_RES*y0 + i] = 1;
+}
+
+int16_t imin(int16_t a, int16_t b)
+{
+    if(a<b) return a;
+    return b;
+}
+
+int16_t imax(int16_t a, int16_t b)
+{
+    if(a>b) return a;
+    return b;
+}
+
+void draw_line(int16_t x0, int16_t y0, int16_t x1, int16_t y1)
+{
+    if(x0 > x1){ x0 = x0 ^ x1; x1 = x1^x0; x0 = x0^x1;y0 = y0 ^ y1; y1 = y1^y0; y0 = y0^y1; }
+    if(x0 == x1){draw_vert(y0,y1,x0);}
+    if(y0 == y1){draw_horiz(x0,x1,y0);}
+    int16_t dx = x1 - x0;
+    int16_t dy = y1 - y0;
+    float derr = fabs((float)(dy)/(float)(dx));
+    float err = 0.f;
+    int16_t y = y0;
+    for(int16_t x = x0; x < x1; x++)
+    {
+        //plotxy
+        im_line_va[H_RES*y + x] = !draw_line_inv;
+        err += derr;
+        while(err >= 0.5f)
+        {
+            y +=  sign(dy);
+            im_line_va[H_RES*y + x] = !draw_line_inv;
+            err -= 1.f;
+        }   
+    }
+}
+
+void draw_cube(float cp[][3])
+{
+    for(uint8_t i = 0; i < 7; i++)
+    {
+        draw_line((int16_t)cp[i][0]+cube_a[0]+X_0,(int16_t)cp[i][1]+cube_a[1]+Y_0,(int16_t)cp[i+1][0]+cube_a[0]+X_0,(int16_t)cp[i+1][1]+cube_a[1]+Y_0);    
+    }
+    draw_line((int16_t)cp[0][0]+cube_a[0]+X_0,(int16_t)cp[0][1]+cube_a[1]+Y_0,(int16_t)cp[3][0]+cube_a[0]+X_0,(int16_t)cp[3][1]+cube_a[1]+Y_0);   
+    draw_line((int16_t)cp[4][0]+cube_a[0]+X_0,(int16_t)cp[4][1]+cube_a[1]+Y_0,(int16_t)cp[7][0]+cube_a[0]+X_0,(int16_t)cp[7][1]+cube_a[1]+Y_0);   
+    draw_line((int16_t)cp[0][0]+cube_a[0]+X_0,(int16_t)cp[0][1]+cube_a[1]+Y_0,(int16_t)cp[7][0]+cube_a[0]+X_0,(int16_t)cp[7][1]+cube_a[1]+Y_0);   
+    draw_line((int16_t)cp[1][0]+cube_a[0]+X_0,(int16_t)cp[1][1]+cube_a[1]+Y_0,(int16_t)cp[6][0]+cube_a[0]+X_0,(int16_t)cp[6][1]+cube_a[1]+Y_0);   
+    draw_line((int16_t)cp[2][0]+cube_a[0]+X_0,(int16_t)cp[2][1]+cube_a[1]+Y_0,(int16_t)cp[5][0]+cube_a[0]+X_0,(int16_t)cp[5][1]+cube_a[1]+Y_0);   
+}
+
+void apply_rot(float cp[][3], float r[][3])
+{
+    for(uint8_t pti = 0; pti < 8; pti++)
+    {
+        float* cpt = cp[pti];
+        float xn = r[0][0] * cpt[0] + r[0][1] * cpt[1] + r[0][2] * cpt[2]; 
+        float yn = r[1][0] * cpt[0] + r[1][1] * cpt[1] + r[1][2] * cpt[2]; 
+        float zn = r[2][0] * cpt[0] + r[2][1] * cpt[1] + r[2][2] * cpt[2];  
+        cpt[0] = xn;
+        cpt[1] = yn;
+        cpt[2] = zn;   
+    }   
+}
+
+void apply_xf_rot(float cpt[], float r[][3])
+{
+        float xn = r[0][0] * cpt[0] + r[0][1] * cpt[1] + r[0][2] * cpt[2]; 
+        float yn = r[1][0] * cpt[0] + r[1][1] * cpt[1] + r[1][2] * cpt[2]; 
+        float zn = r[2][0] * cpt[0] + r[2][1] * cpt[1] + r[2][2] * cpt[2];  
+        cpt[0] = xn;
+        cpt[1] = yn;
+        cpt[2] = zn;   
+}
+
+void draw_v_check(int8_t r,uint8_t tt)
+{
+    for(int i = 0; i < H_RES; i++)
+        for(int j = 0; j < V_RES; j++)
+            im_line_va[i+j*H_RES] = (((i > 20) && (i < 98)) && ( tt ^(((j%(r*2))>=r) ^ ((i%(r*2)))>=r))); //checkerboard
+}
+
+
+int jjj = 0;
+int f_count = DEMO_LENGTH + 10;
+void draw_cube_spin(int kkkk);
+//update bouncing balls
+
+void draw_blank()
+{
+    for(uint16_t h = X_MIN; h < X_MAX; h++)
+    {
+        for(uint16_t v = Y_MIN; v < Y_MAX+15; v++)
+        {
+                im_line_va[v*H_RES + h] = 0;
+        }
+    }
+}
+
+void wipe();
+
+void update_image()
+{
+    //delay
+    k++;
+    if(k%4000) return;
+    f_count++;
+    if(f_count < DEMO_LENGTH/2)
+    {
+        draw_cube_spin(0);
+    }
+    else if(f_count < DEMO_LENGTH)
+    {
+        draw_cube_spin(1);
+    }
+    else if(f_count < DEMO_LENGTH * 2)
+    {
+        for(int k = 1; k < 10; k++)
+            for(int kk = 1; kk < 3; kk++)
+            {
+                draw_v_check(k,1);
+                draw_v_check(k,1);
+                draw_v_check(k,0);
+                draw_v_check(k,0); 
+            }
+            
+        draw_v_check(1,0);
+        wipe();
+        f_count = 0;
+    }
+}
+
+void wipe()
+{
+    for(int v = Y_MIN; v < Y_MAX+15; v++)
+    {
+        for(uint16_t h = X_MIN; h < X_MAX; h++)
+        {
+            im_line_va[v*H_RES+h] = 1;
+        }
+        wait(.03);
+    }
+    
+        for(int v = Y_MAX+15; v > Y_MIN; v--)
+        {
+            for(uint16_t h = X_MIN; h < X_MAX; h++)
+            {
+                im_line_va[v*H_RES+h] = 0;
+            }
+            wait(.03);
+        }  
+    
+        for(uint16_t h = X_MIN; h < X_MAX; h++)
+        {
+            for(uint16_t v = Y_MIN; v < Y_MAX+15; v++)
+            {
+                im_line_va[v*H_RES + h] = 1;
+            }
+            wait(.03);
+        }
+    
+        for(uint16_t h = X_MIN; h < X_MAX; h++)
+        {
+            for(uint16_t v = Y_MIN; v < Y_MAX+15; v++)
+            {
+                im_line_va[v*H_RES + h] = 0;
+            }
+            wait(.03);
+        }
+    
+        for(int v = Y_MIN; v < Y_MAX+15; v++)
+        {
+            for(uint16_t h = X_MIN; h < X_MAX; h++)
+            {
+                im_line_va[v*H_RES+h] = 0;
+            }
+        }
+}
+
+void draw_cube_spin(int kkkk)
+{
+    draw_line_inv = kkkk;
+    //blank
+    for(uint16_t h = X_MIN; h < X_MAX; h++)
+    {
+        for(uint16_t v = Y_MIN; v < Y_MAX; v++)
+        {
+            if( (h > 22) && (h < 76+18))
+                im_line_va[v*H_RES + h] = kkkk;
+        }
+    }
+    apply_xf_rot(cube_a,y_rot);
+    apply_xf_rot(cube_a,y_rot);
+    apply_rot(cube_pts,x_rot);
+    apply_rot(cube_pts,x_rot);
+    apply_rot(cube_pts,y_rot);
+    apply_rot(cube_pts,y_rot);
+    apply_rot(cube_pts,z_rot);
+    //draw ball
+    im_line_va[(py/10)*H_RES + (px/10)] = 1;
+    draw_line(X_0,Y_0,(px/10),(py/10));
+    draw_cube(cube_pts);
+    
+    //update position/check for bounces
+    px += vx;
+    py += vy;
+    px2 += vx2;
+    py2 += vy2;
+    if(px/10 > (X_MAX-2) || px/10 < (X_MIN+1)) vx = -vx;
+    if(py/10 > (Y_MAX-2) || py/10 < (Y_MIN+1)) vy = -vy;
+    if(px2/10 > (X_MAX-2) || px2/10 < (X_MIN+1)) vx2 = -vx2;
+    if(py2/10 > (Y_MAX-2) || py2/10 < (Y_MIN+1)) vy2 = -vy2;
+    if(k%(8000*50)) return;
+    
+        jjj = !jjj;
+    int bmi = 0;
+    for(int y = BY_0; y < BY_0 + BY; y++)
+    {
+        for(int x = BX_0; x < BX_0 + BX; x++)
+        {
+            im_line_va[H_RES*y + x] = kkkk^(miters[bmi]*jjj + (!jjj)*tv[bmi]);
+            bmi++;
+        }
+    }
+}
+
+int main() {
+    init_buffers();
+    t.attach_us(&isr,63);
+    for(;;)
+    { 
+        update_image();
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sat Nov 18 04:18:42 2017 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/e7ca05fa8600
\ No newline at end of file