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[/] [openmsp430/] [trunk/] [fpga/] [altera_de0_nano_soc/] [software/] [apps/] [gfx_demo/] [demo_2bpp.c] - Blame information for rev 221

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Line No. Rev Author Line
1 221 olivier.gi 
#include "demo.h"
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#include "timerA.h"
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#include "gfx_controller.h"
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//---------------------------------------------------//
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// 8BPP DEMO
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//---------------------------------------------------//
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void demo_2bpp(void) {
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  unsigned int  line, column;
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  unsigned int  color        = 0;
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  unsigned int  x_coord      = 0;
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  unsigned int  y_coord      = 0;
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  const uint16_t offset_x    = 35;
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  const uint16_t offset_y    = 95;
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  const uint16_t char_width  =  7;
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  // Screen introduction
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  gpu_fill (PIX_ADDR(0,                                    0                    ), 320,          480,          0x0001, DST_SWAP_NONE); // Background
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  gpu_fill (PIX_ADDR(offset_x+1*6*char_width+1*char_width, offset_y+0*char_width), 3*char_width, 1*char_width, 0x0002, DST_SWAP_NONE); // 2
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  gpu_fill (PIX_ADDR(offset_x+1*6*char_width+0*char_width, offset_y+1*char_width), 1*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+1*6*char_width+4*char_width, offset_y+1*char_width), 1*char_width, 2*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+1*6*char_width+3*char_width, offset_y+3*char_width), 1*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+1*6*char_width+2*char_width, offset_y+4*char_width), 1*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+1*6*char_width+1*char_width, offset_y+5*char_width), 1*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+1*6*char_width+0*char_width, offset_y+6*char_width), 5*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+3*6*char_width+0*char_width, offset_y+0*char_width), 1*char_width, 6*char_width, 0x0002, DST_SWAP_NONE); // b
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  gpu_fill (PIX_ADDR(offset_x+3*6*char_width+1*char_width, offset_y+6*char_width), 3*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+3*6*char_width+1*char_width, offset_y+4*char_width), 1*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+3*6*char_width+2*char_width, offset_y+3*char_width), 2*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+3*6*char_width+4*char_width, offset_y+4*char_width), 1*char_width, 2*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+4*6*char_width+0*char_width, offset_y+2*char_width), 1*char_width, 5*char_width, 0x0002, DST_SWAP_NONE); // p
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  gpu_fill (PIX_ADDR(offset_x+4*6*char_width+1*char_width, offset_y+2*char_width), 3*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+4*6*char_width+1*char_width, offset_y+4*char_width), 3*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+4*6*char_width+4*char_width, offset_y+3*char_width), 1*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+5*6*char_width+0*char_width, offset_y+2*char_width), 1*char_width, 5*char_width, 0x0002, DST_SWAP_NONE); // p
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  gpu_fill (PIX_ADDR(offset_x+5*6*char_width+1*char_width, offset_y+2*char_width), 3*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+5*6*char_width+1*char_width, offset_y+4*char_width), 3*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  gpu_fill (PIX_ADDR(offset_x+5*6*char_width+4*char_width, offset_y+3*char_width), 1*char_width, 1*char_width, 0x0002, DST_SWAP_NONE);
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  ta_wait_no_lpm(WT_500MS);
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  ta_wait_no_lpm(WT_500MS);
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  ta_wait_no_lpm(WT_500MS);
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  ta_wait_no_lpm(WT_500MS);
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  // Clear background
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  gpu_fill (PIX_ADDR(0,                                    0                    ), 320,          240,          0x0000, DST_SWAP_NONE);
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  // Wait for on-going GPU operation to be done before moving on
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  gpu_wait_done();
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  // Fill the screen with all possible colors
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  color     = 0x0000;
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  x_coord   = 0;
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  y_coord   = 0;
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  for( line = 0; line <2; line = line + 1 ) {
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    for( column = 0; column < 2; column = column + 1 ) {
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      draw_block(PIX_ADDR(x_coord, y_coord), 158, 118, color, DST_SWAP_NONE, 0);
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      if (color==3) { color= 0;}
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      else          { color++; }
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      x_coord += 162;
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    }
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    y_coord += 122;
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    x_coord  =  0;
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  }
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  ta_wait_no_lpm(WT_500MS);
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  ta_wait_no_lpm(WT_500MS);
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//  // Initialize LFSR for random color generation
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//  lfsr = 0xACEB;
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//
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//  // Loop the demo
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//  loop = 0;
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//  while (loop <4) {
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//
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//    // Select rotation & GPU use
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//    switch(loop & 0x0003) {
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//    case 0 : DISPLAY_CFG = DST_SWAP_CL;        wait_sel = 3;
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//           break;
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//    case 1 : DISPLAY_CFG = DST_SWAP_CL;        wait_sel = 2;
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//           break;
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//    case 2 : DISPLAY_CFG = DST_SWAP_CL;        wait_sel = 1;
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//           break;
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//    default: DISPLAY_CFG = DST_SWAP_CL;        wait_sel = 0;
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//           break;
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//    }
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//    loop++;
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//    move_to_next_mode = 0;
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//
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//    // Move the starting point of the buffer refresh
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//    DISPLAY_REFR_CNT =        0;
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//    while (!move_to_next_mode) {
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//
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//      // Fill the screen with random colors
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//      x_coord    = 0;
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//      y_coord    = 0;
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//      for( line = 0; line <4; line = line + 1 ) {
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//      for( column = 0; column < 4; column = column + 1 ) {
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//
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//        // Compute next color from LFSR
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//        lfsr_lsb = lfsr & 1;                     /* Get LSB (i.e., the output bit). */
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//        lfsr     >>= 1;                          /* Shift register */
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//        lfsr     ^= (-lfsr_lsb) & 0xB400u;       /* If the output bit is 1, apply toggle mask.
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//                                                  * The value has 1 at bits corresponding
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//                                                  * to taps, 0 elsewhere. */
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//          color    = lfsr & 0x000F;
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//
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//        // Draw the box
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//        draw_block(PIX_ADDR(x_coord, y_coord), 77, 57, color, DST_SWAP_NONE, use_gpu);
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//        x_coord += 80;
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//      }
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//      y_coord += 60;
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//      x_coord  =  0;
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//      }
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//
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//      // Wait according to config
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//      switch(wait_sel) {
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//      case 0 : while(DISPLAY_REFR_CNT!=0); DISPLAY_REFR_CNT = 2;
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//             break;
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//      case 1 : while(DISPLAY_REFR_CNT!=0); DISPLAY_REFR_CNT = 4;
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//             break;
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//      case 2 : while(DISPLAY_REFR_CNT!=0); DISPLAY_REFR_CNT = 7;
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//             break;
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//      default: while(DISPLAY_REFR_CNT!=0); DISPLAY_REFR_CNT = 10;
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//             break;
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//      }
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//    }
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//  }
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};

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