Diff: main.cpp

Revision:

12:e99cc1e9d928

Parent:

11:537cde55b27f

--- a/main.cpp	Thu May 03 23:38:46 2018 +0000
+++ b/main.cpp	Fri May 04 01:45:05 2018 +0000
@@ -3,11 +3,15 @@
 #include "lisp.h"
 #include "main.h"
 #include "gfx.h"
+#include "face.h"
 
 // Resolution, including porches
 #define V_RES 200
 #define H_RES 300
 
+#define TEXT_LEVEL 5
+
+
 
 // old shit
 #define SX_MIN 30
@@ -35,15 +39,21 @@
 
 #define N_COLOR 16
 
+// DAC stuff
+#define DAC_SYNC 2
+
 uint8_t char_col = 0;  // current column counter
 uint8_t char_row = 0;  // current row counter
 uint8_t text_buffer_counter = 0; // current index in text buffer counter
 char most_recent_char = '0';
 
+uint8_t line_intensity = 0;
+int8_t line_dir = 1;
+
 char text_buffer[TX*TY]; // input text buffer for lisp
 
-AnalogIn joy1(A0);
-AnalogIn joy2(A1);
+AnalogIn joy1(A1);
+AnalogIn joy2(A0);
 
 uint8_t want_gfx = 0;
 uint8_t vsync = 0;
@@ -185,6 +195,11 @@
 DigitalOut sout(D8); //sync PA_9
 DigitalOut vout(D7); //video PA_8
 
+DigitalOut dac0(PA_4);
+DigitalOut dac1(PA_5);
+DigitalOut dac2(PA_6);
+DigitalOut dac3(PA_7);
+
 // trigger horizontal line draw
 Ticker t;
 
@@ -259,8 +274,8 @@
     clr(); // zero buffers
     for(int i = 0; i < H_RES; i++)
     {
-        im_line_s[i] = 1;   
-        bl_line_s[i] = 1;
+        im_line_s[i] = DAC_SYNC;   
+        bl_line_s[i] = DAC_SYNC;
         bl_line_v[i] = 0;
         vb_line_s[i] = 0;
         vb_line_v[i] = 0;
@@ -275,14 +290,14 @@
 
     
     bl_line_s[0] = 0;
-    vb_line_s[0] = 1;
+    vb_line_s[0] = DAC_SYNC;
     bl_line_s[1] = 0;
-    vb_line_s[1] = 1;
+    vb_line_s[1] = DAC_SYNC;
     
     bl_line_s[3] = 0;
-    vb_line_s[3] = 1;
+    vb_line_s[3] = DAC_SYNC;
     bl_line_s[2] = 0;
-    vb_line_s[2] = 1;
+    vb_line_s[2] = DAC_SYNC;
 }
 
 // video interrupt
@@ -298,20 +313,21 @@
     for(uint16_t i = 0; i < lmax; i++) //loop over each column
     {
         nop = 1;
-        if(sptr[i])
-            GPIOA->ODR |= (1 << 9);
-        else
-            GPIOA->ODR &= ~(1 << 9);
-             
-        if(vptr[i])
-            GPIOA->ODR |= (1 << 8);
-        else
-            GPIOA->ODR &= ~(1 << 8);
+        GPIOA->ODR = (vptr[i] + sptr[i]) << 4;
+//        if(sptr[i])
+//            GPIOA->ODR |= (1 << 9);
+//        else
+//            GPIOA->ODR &= ~(1 << 9);
+//             
+//        if(vptr[i])
+//            GPIOA->ODR |= (1 << 8);
+//        else
+//            GPIOA->ODR &= ~(1 << 8);
 
         
         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");
+            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");asm("nop");//asm("nop");asm("nop");asm("nop");asm("nop");
         }
         else {wait_us(1); if(i > 2) i+=1;} //wait delay 
     }
@@ -355,14 +371,14 @@
 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;
+        im_line_va[H_RES*i + x0] = line_intensity;
 }
 
 // draw horizonal line
 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;
+        im_line_va[H_RES*y0 + i] = line_intensity;
 }
 
 // draw line between points
@@ -379,12 +395,12 @@
     for(int16_t x = x0; x < x1; x++)
     {
         //plotxy
-        im_line_va[H_RES*y + x] = !draw_line_inv;
+        im_line_va[H_RES*y + x] = (!draw_line_inv)?line_intensity:0;
         err += derr;
         while(err >= 0.5f)
         {
             y +=  sign(dy);
-            im_line_va[H_RES*y + x] = !draw_line_inv;
+            im_line_va[H_RES*y + x] = (!draw_line_inv)?line_intensity:0;
             err -= 1.f;
         }   
     }
@@ -400,7 +416,7 @@
     {
         for(uint16_t yp = 0; yp < 8; yp++)
         {
-            im_line_va[H_RES*(yp+y0) + xp + x0] = CHECK_BIT(letter[yp],8-xp);
+            im_line_va[H_RES*(yp+y0) + xp + x0] = CHECK_BIT(letter[yp],8-xp)?TEXT_LEVEL:0;
         }
     }
 }
@@ -616,6 +632,17 @@
 //}
 int main()
 {
+//    int n = 0;
+//    pc.baud(115200);
+//    for(;;)
+//    {
+//        
+//        n++;
+//        n = n%16;
+//        GPIOA->ODR =  (n<<4);
+//        pc.printf("val: 0x%hhx\r\n",(n<<4));
+//        
+//    }
     im_line_va = im_line_va_1;
     // init serial
     pc.baud(115200);
@@ -669,8 +696,10 @@
     // main loop
     want_gfx = 1;
 
+    int num_iters;
     for(;;) 
     {
+
         if(want_lisp) 
         {
             new_line();
@@ -693,6 +722,35 @@
             clr();
             float j2 = joy1.read() - .5f;;
             float j1 = joy2.read() - .5f;
+            
+                    num_iters++;
+        
+        if( (num_iters % 5) == 0)
+        {
+            if(line_dir == 1)
+            {
+                line_intensity++;
+                if(line_intensity >= 8)
+                    line_dir = -1;
+            }
+            else
+            {
+                line_intensity--;
+                if(line_intensity == 0)
+                    line_dir = 1;
+            }   
+        }
+        
+        
+                      for(int x = 0; x < XL-0; x++)
+            {
+                for(int y = 0; y < YL-0; y++)
+                {
+                   im_line_va[H_RES*(y+Y0) + x + X0] = splash[YL - y][x] >> 4;
+                   //im_line_va[H_RES*y + x] = (y/6)%10;
+                   // im_line_va[H_RES*y + x] = ( (x-X0) + (y-Y0) )/24 - 2;
+                }
+            }
             new_frame(j1,j2);
             draw_line(X0, Y0, X0 + XL, Y0);
             draw_line(X0+XL,Y0,X0+XL,Y0+YL);
@@ -716,8 +774,16 @@
             //draw_gfx_line(-0.01,-0.01,0.01,0.01);
             char joy_string[20];
             sprintf(joy_string,"1: %.2f 2: %.2f",joy1.read(),joy2.read());
-            //set_status_string(joy_string);
-            set_status_string(get_gfx_stat());
+            set_status_string(joy_string);
+            
+  
+            //im_line_va[H_RES*y0 + i] = 1;
+            
+//            #define X0 75  // start of image in X
+//#define Y0 30  // start of image in Y
+//#define XL 220 // 25 chars
+//#define YL 165 // 20 chars
+            //set_status_string(get_gfx_stat());
             vsync = 0;
             //swap_buffers();