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[/] [qaz_libs/] [trunk/] [camera_link/] [cl_util.v] - Blame information for rev 24

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//
//
//
 
 
module cl_util
  (
    input               cl_fval,
    input               cl_lval,
    input               cl_dval,
    input       [63:0]  cl_data,
    input               cl_clk,
 
    input               cl_base_format,
    input               cl_full_format,
 
    output              cl_fval_fall,
    output              cl_fval_rise,
    output              cl_lval_fall,
    output              cl_lval_rise,
    output              cl_data_en,
 
    output reg  [13:0]  cl_pixel_counter,
    output reg  [15:0]  cl_frame_x,
    output reg  [15:0]  cl_frame_y,
 
    input               cl_reset
  );
 
  // --------------------------------------------------------------------
  //
  task get_frames;
  input integer count;
    begin
 
      repeat(count) @(negedge cl_fval);
 
      $display( "-!- %16.t | %m: got %0d frames.", $time, count );
 
   end
  endtask
 
 
  // --------------------------------------------------------------------
  //  cl_fval & cl_lval edge detector
  reg     cl_fval_r;
  assign  cl_fval_fall = ~cl_fval & cl_fval_r;
  assign  cl_fval_rise = cl_fval & ~cl_fval_r;
 
  always @(posedge cl_clk)
    cl_fval_r <= cl_fval;
 
  reg     cl_lval_r;
  assign  cl_lval_fall = ~cl_lval & cl_lval_r;
  assign  cl_lval_rise = cl_lval & ~cl_lval_r;
 
  always @(posedge cl_clk)
    cl_lval_r <= cl_lval;
 
 
  // --------------------------------------------------------------------
  //  pixel counter
  always @(posedge cl_clk)
    if( ~cl_fval | cl_reset | (cl_pixel_counter > 14'h3ff0) )
      cl_pixel_counter <= 0;
    else if( cl_data_en )
      if( cl_base_format )
        cl_pixel_counter <= cl_pixel_counter + 1;
      else if( cl_full_format )
        cl_pixel_counter <= cl_pixel_counter + 4;
 
 
  // --------------------------------------------------------------------
  //  frame x coordinate
  always @(posedge cl_clk)
    if( ~cl_fval | ~cl_lval | cl_reset )
      cl_frame_x <= 0;
    else if( cl_data_en )
      if( cl_base_format )
        cl_frame_x <= cl_frame_x + 1;
      else if( cl_full_format )
        cl_frame_x <= cl_frame_x + 4;
 
 
  // --------------------------------------------------------------------
  //  frame y coordinate
  always @(posedge cl_clk)
    if( ~cl_fval | cl_reset )
      cl_frame_y <= 0;
    else if( cl_lval_fall )
      cl_frame_y <= cl_frame_y + 1;
 
 
  // --------------------------------------------------------------------
  //
  integer cl_line_width;
  integer cl_height;
  integer cl_width;
 
  always @(posedge cl_clk)
    if( cl_fval_rise | cl_reset )
      cl_line_width <= 0;
    else if( cl_lval_fall )
      cl_line_width <= cl_frame_x;
 
  always @(posedge cl_clk)
    if( cl_fval_fall )
      cl_height <= cl_frame_y;
 
  always @(posedge cl_clk)
    if( cl_fval_fall )
      cl_width <= cl_line_width;
 
  task display_frame_size;
    begin
 
      $display( "-!- %16.t | %m: last frame size was %0dX%0d.", $time, cl_width, cl_height );
 
   end
  endtask
 
  task validate_frame_size;
  input integer width;
  input integer height;
    begin
 
      if( (height != cl_height) | (width != cl_width) )
        begin
          log.inc_fail_count;
          $display( "-!- %16.t | %m: last frame size should be %0dX%0d but was %0dX%0d", $time, width, height, cl_width, cl_height );
        end
 
   end
  endtask
 
 
  // --------------------------------------------------------------------
  //  outputs
  assign cl_data_en = cl_dval & cl_lval & cl_fval;
 
 
endmodule
 
 
 

Line No.	Rev	Author	Line
1	2	qaztronic	`//`
2			`//`
3			`//`
4
5
6			`module cl_util`
7			`(`
8			`input cl_fval,`
9			`input cl_lval,`
10			`input cl_dval,`
11			`input [63:0] cl_data,`
12			`input cl_clk,`
13
14			`input cl_base_format,`
15			`input cl_full_format,`
16
17			`output cl_fval_fall,`
18			`output cl_fval_rise,`
19			`output cl_lval_fall,`
20			`output cl_lval_rise,`
21			`output cl_data_en,`
22
23			`output reg [13:0] cl_pixel_counter,`
24			`output reg [15:0] cl_frame_x,`
25			`output reg [15:0] cl_frame_y,`
26
27			`input cl_reset`
28			`);`
29
30			`// --------------------------------------------------------------------`
31			`//`
32			`task get_frames;`
33			`input integer count;`
34			`begin`
35
36			`repeat(count) @(negedge cl_fval);`
37
38			`$display( "-!- %16.t \| %m: got %0d frames.", $time, count );`
39
40			`end`
41			`endtask`
42
43
44			`// --------------------------------------------------------------------`
45			`// cl_fval & cl_lval edge detector`
46			`reg cl_fval_r;`
47			`assign cl_fval_fall = ~cl_fval & cl_fval_r;`
48			`assign cl_fval_rise = cl_fval & ~cl_fval_r;`
49
50			`always @(posedge cl_clk)`
51			`cl_fval_r <= cl_fval;`
52
53			`reg cl_lval_r;`
54			`assign cl_lval_fall = ~cl_lval & cl_lval_r;`
55			`assign cl_lval_rise = cl_lval & ~cl_lval_r;`
56
57			`always @(posedge cl_clk)`
58			`cl_lval_r <= cl_lval;`
59
60
61			`// --------------------------------------------------------------------`
62			`// pixel counter`
63			`always @(posedge cl_clk)`
64			`if( ~cl_fval \| cl_reset \| (cl_pixel_counter > 14'h3ff0) )`
65			`cl_pixel_counter <= 0;`
66			`else if( cl_data_en )`
67			`if( cl_base_format )`
68			`cl_pixel_counter <= cl_pixel_counter + 1;`
69			`else if( cl_full_format )`
70			`cl_pixel_counter <= cl_pixel_counter + 4;`
71
72
73			`// --------------------------------------------------------------------`
74			`// frame x coordinate`
75			`always @(posedge cl_clk)`
76			`if( ~cl_fval \| ~cl_lval \| cl_reset )`
77			`cl_frame_x <= 0;`
78			`else if( cl_data_en )`
79			`if( cl_base_format )`
80			`cl_frame_x <= cl_frame_x + 1;`
81			`else if( cl_full_format )`
82			`cl_frame_x <= cl_frame_x + 4;`
83
84
85			`// --------------------------------------------------------------------`
86			`// frame y coordinate`
87			`always @(posedge cl_clk)`
88			`if( ~cl_fval \| cl_reset )`
89			`cl_frame_y <= 0;`
90			`else if( cl_lval_fall )`
91			`cl_frame_y <= cl_frame_y + 1;`
92
93
94			`// --------------------------------------------------------------------`
95			`//`
96			`integer cl_line_width;`
97			`integer cl_height;`
98			`integer cl_width;`
99
100			`always @(posedge cl_clk)`
101			`if( cl_fval_rise \| cl_reset )`
102			`cl_line_width <= 0;`
103			`else if( cl_lval_fall )`
104			`cl_line_width <= cl_frame_x;`
105
106			`always @(posedge cl_clk)`
107			`if( cl_fval_fall )`
108			`cl_height <= cl_frame_y;`
109
110			`always @(posedge cl_clk)`
111			`if( cl_fval_fall )`
112			`cl_width <= cl_line_width;`
113
114			`task display_frame_size;`
115			`begin`
116
117			`$display( "-!- %16.t \| %m: last frame size was %0dX%0d.", $time, cl_width, cl_height );`
118
119			`end`
120			`endtask`
121
122			`task validate_frame_size;`
123			`input integer width;`
124			`input integer height;`
125			`begin`
126
127			`if( (height != cl_height) \| (width != cl_width) )`
128			`begin`
129			`log.inc_fail_count;`
130			`$display( "-!- %16.t \| %m: last frame size should be %0dX%0d but was %0dX%0d", $time, width, height, cl_width, cl_height );`
131			`end`
132
133			`end`
134			`endtask`
135
136
137			`// --------------------------------------------------------------------`
138			`// outputs`
139			`assign cl_data_en = cl_dval & cl_lval & cl_fval;`
140
141
142			`endmodule`
143
144
145

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[/] [qaz_libs/] [trunk/] [camera_link/] [cl_util.v] - Blame information for rev 24