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通过UART从PC主机读取图片数据

Compiling vhdl file D:/vgashow/vga.vhd in Library work.
Architecture behavioral of Entity vga is up to date.
Compiling vhdl file D:/vgashow/top.vhd in Library work.
Architecture behavioral of Entity top is up to date.

=========================================================================
*                            HDL Analysis                               *
=========================================================================

Analyzing Entity <top> (Architecture <behavioral>).
WARNING:Xst:1541 - D:/vgashow/top.vhd line 94: Different binding for component: <wrground>. Port <din> does not match.
WARNING:Xst:819 - D:/vgashow/top.vhd line 112: The following signals are missing in the process sensitivity list:
   data_sram.
WARNING:Xst:819 - D:/vgashow/top.vhd line 121: The following signals are missing in the process sensitivity list:
   data_ram, data_srambuf.
Entity <top> analyzed. Unit <top> generated.

Analyzing Entity <uartrec> (Architecture <behavioral>).
WARNING:Xst:766 - D:/vgashow/uartrec.vhd line 39: Generating a Black Box for component <ibuf>.
WARNING:Xst:766 - D:/vgashow/uartrec.vhd line 41: Generating a Black Box for component <bufg>.
Entity <uartrec> analyzed. Unit <uartrec> generated.

Analyzing Entity <wrlogo> (Architecture <behavioral>).
WARNING:Xst:819 - D:/vgashow/wrlogo.vhd line 43: The following signals are missing in the process sensitivity list:
   webuf, rxav, readclk.
WARNING:Xst:766 - D:/vgashow/wrlogo.vhd line 107: Generating a Black Box for component <logo>.
Entity <wrlogo> analyzed. Unit <wrlogo> generated.

Analyzing Entity <wrground> (Architecture <behavioral>).
WARNING:Xst:819 - D:/vgashow/wrground.vhd line 47: The following signals are missing in the process sensitivity list:
   rxav, readclk.
WARNING:Xst:766 - D:/vgashow/wrground.vhd line 106: Generating a Black Box for component <ground>.
Entity <wrground> analyzed. Unit <wrground> generated.

Analyzing Entity <vga> (Architecture <behavioral>).
WARNING:Xst:819 - D:/vgashow/vga.vhd line 47: The following signals are missing in the process sensitivity list:
   hs.
Entity <vga> analyzed. Unit <vga> generated.


=========================================================================
*                           HDL Synthesis                               *
=========================================================================

Synthesizing Unit <vga>.
    Related source file is D:/vgashow/vga.vhd.
    Found 11-bit comparator greatequal for signal <$n0007> created at line 58.
    Found 11-bit comparator less for signal <$n0008> created at line 58.
    Found 11-bit comparator greatequal for signal <$n0009> created at line 63.
    Found 11-bit comparator less for signal <$n0010> created at line 63.
    Found 10-bit up counter for signal <hlocbuf>.
    Found 1-bit register for signal <vgaclk>.
    Found 10-bit up counter for signal <vlocbuf>.
    Summary:
	inferred   2 Counter(s).
	inferred   1 D-type flip-flop(s).
	inferred   4 Comparator(s).
Unit <vga> synthesized.


Synthesizing Unit <wrground>.
    Related source file is D:/vgashow/wrground.vhd.
    Found 8-bit register for signal <dout>.
    Found 13-bit addsub for signal <$n0011>.
    Found 11-bit comparator greatequal for signal <$n0017> created at line 95.
    Found 11-bit comparator lessequal for signal <$n0018> created at line 69.
    Found 11-bit comparator lessequal for signal <$n0019> created at line 69.
    Found 13-bit register for signal <addrbuf>.
    Found 1-bit register for signal <readclk>.
    Found 1-bit register for signal <webuf>.
    Found 1 1-bit 2-to-1 multiplexers.
    Summary:
	inferred  23 D-type flip-flop(s).
	inferred   1 Adder/Subtracter(s).
	inferred   3 Comparator(s).
Unit <wrground> synthesized.


Synthesizing Unit <wrlogo>.
    Related source file is D:/vgashow/wrlogo.vhd.
    Found 8-bit register for signal <dout>.
    Found 1-bit register for signal <logo_flag>.
    Found 3-bit adder for signal <$n0014> created at line 67.
    Found 4-bit adder for signal <$n0015> created at line 67.
    Found 10-bit comparator greatequal for signal <$n0019> created at line 99.
    Found 13-bit adder for signal <$n0020> created at line 75.
    Found 10-bit comparator greatequal for signal <$n0021> created at line 67.
    Found 10-bit comparator less for signal <$n0022> created at line 67.
    Found 10-bit comparator greatequal for signal <$n0023> created at line 67.
    Found 10-bit comparator less for signal <$n0024> created at line 67.
    Found 10-bit comparator lessequal for signal <$n0025> created at line 95.
    Found 13-bit register for signal <addr>.
    Found 10-bit register for signal <inc_x>.
    Found 10-bit register for signal <inc_y>.
    Found 10-bit up accumulator for signal <mov_x>.
    Found 10-bit up accumulator for signal <mov_y>.
    Found 1-bit register for signal <readclk>.
    Found 1-bit register for signal <webuf>.
    Found 1 1-bit 2-to-1 multiplexers.
    Summary:
	inferred   2 Accumulator(s).
	inferred  24 D-type flip-flop(s).
	inferred   3 Adder/Subtracter(s).
	inferred   6 Comparator(s).
Unit <wrlogo> synthesized.


Synthesizing Unit <uartrec>.
    Related source file is D:/vgashow/uartrec.vhd.
    Using one-hot encoding for signal <present_state>.
    Found 1-bit register for signal <rxav>.
    Found 8-bit register for signal <data>.
    Found 3-bit adder for signal <$n0021> created at line 59.
    Found 3-bit adder for signal <$n0025> created at line 77.
    Found 3-bit register for signal <bitpos>.
    Found 3-bit register for signal <cnt>.
    Found 8-bit register for signal <data_buf>.
    Found 7-bit up counter for signal <divcnt>.
    Found 3-bit register for signal <present_state>.
    Found 1-bit register for signal <recclk>.
    Summary:
	inferred   1 Counter(s).
	inferred  27 D-type flip-flop(s).
	inferred   2 Adder/Subtracter(s).
Unit <uartrec> synthesized.


Synthesizing Unit <top>.
    Related source file is D:/vgashow/top.vhd.
    Found 8 1-bit 2-to-1 multiplexers.
Unit <top> synthesized.


=========================================================================
HDL Synthesis Report

Macro Statistics
# Registers                        : 26
  1-bit register                   : 16
  8-bit register                   : 3
  10-bit register                  : 2
  13-bit register                  : 2
  3-bit register                   : 3
# Counters                         : 3
  10-bit up counter                : 2
  7-bit up counter                 : 1
# Accumulators                     : 2
  10-bit up accumulator            : 2
# Multiplexers                     : 3
  2-to-1 multiplexer               : 3
# Adders/Subtractors               : 6
  13-bit addsub                    : 1
  3-bit adder                      : 3
  4-bit adder                      : 1
  13-bit adder                     : 1
# Comparators                      : 13
  11-bit comparator greatequal     : 3
  10-bit comparator less           : 2
  10-bit comparator lessequal      : 1
  11-bit comparator less           : 2
  11-bit comparator lessequal      : 2
  10-bit comparator greatequal     : 3

=========================================================================

=========================================================================
*                         Low Level Synthesis                           *
=========================================================================
Launcher: "ground.ngo" is up to date.
Loading core <ground> for timing and area information for instance <u0>.

Launcher: "logo.ngo" is up to date.
WARNING:Xst:1474 - Ports for core <logo> do not line up with declaration.  Core will not be loaded.

Library "C:/Xilinx/data/librtl.xst" Consulted

Optimizing unit <top> ...

Optimizing unit <wrground> ...

Optimizing unit <vga> ...

Optimizing unit <uartrec> ...

Optimizing unit <wrlogo> ...
WARNING:Xst:1293 - FF/Latch  <inc_y_0> is constant in block <wrlogo>.
WARNING:Xst:1293 - FF/Latch  <inc_x_0> is constant in block <wrlogo>.

Mapping all equations...
Loading device for application Xst from file '2s300e.nph' in environment C:/Xilinx.
Building and optimizing final netlist ...
Register u1_inc_y_8 equivalent to u1_inc_y_9 has been removed
Register u1_inc_y_7 equivalent to u1_inc_y_9 has been removed
Register u1_inc_y_6 equivalent to u1_inc_y_9 has been removed
Register u1_inc_y_5 equivalent to u1_inc_y_9 has been removed
Register u1_inc_y_2 equivalent to u1_inc_y_1 has been removed
Register u1_inc_y_3 equivalent to u1_inc_y_1 has been removed
Register u1_inc_x_8 equivalent to u1_inc_x_9 has been removed
Register u1_inc_x_7 equivalent to u1_inc_x_9 has been removed
Register u1_inc_x_6 equivalent to u1_inc_x_9 has been removed
Register u1_inc_x_5 equivalent to u1_inc_x_9 has been removed
Register u1_inc_x_2 equivalent to u1_inc_x_1 has been removed
Register u1_inc_x_3 equivalent to u1_inc_x_1 has been removed
Register u1_inc_y_1 equivalent to u1_inc_y_9 has been removed
Register u1_inc_y_4 equivalent to u1_inc_y_9 has been removed
Register u1_inc_x_1 equivalent to u1_inc_x_9 has been removed
Register u1_inc_x_4 equivalent to u1_inc_x_9 has been removed
Found area constraint ratio of 100 (+ 5) on block top, actual ratio is 6.
WARNING:Xst:382 - Register BU144 is equivalent to BU21
WARNING:Xst:382 - Register BU147 is equivalent to BU24
WARNING:Xst:382 - Register BU150 is equivalent to BU27
WARNING:Xst:382 - Register BU144 is equivalent to BU21
WARNING:Xst:382 - Register BU147 is equivalent to BU24
WARNING:Xst:382 - Register BU150 is equivalent to BU27
FlipFlop u4_vlocbuf_19 has been replicated 1 time(s)
FlipFlop u2_webuf has been replicated 1 time(s)

=========================================================================
*                            Final Report                               *
=========================================================================

Device utilization summary:
---------------------------

Selected Device : 2s300efg456-6 

 Number of Slices:                     194  out of   3072     6%  
 Number of Slice Flip Flops:           132  out of   6144     2%  
 Number of 4 input LUTs:               334  out of   6144     5%  
 Number of bonded IOBs:                 12  out of    329     3%  
 Number of BRAMs:                       10  out of     16    62%  
 Number of GCLKs:                        2  out of      4    50%  


=========================================================================
TIMING REPORT


Clock Information:
------------------
-----------------------------------+------------------------+-------+
Clock Signal                       | Clock buffer(FF name)  | Load  |
-----------------------------------+------------------------+-------+
u4_vlocbuf_19:q                    | NONE                   | 11    |
u4_vgaclk:q                        | NONE                   | 10    |
u0_recclk:q                        | NONE                   | 26    |
u4_vlocbuf_19_1:q                  | NONE                   | 11    |
u2_mmux_sramclk_result1_1:o        | NONE(*)(u2_u0/bu24)    | 19    |
u4_hs:o                            | NONE(*)(u4_vlocbuf_18) | 11    |
u1_mmux_ramclk_result1:o           | NONE(*)(u1_dout_6)     | 23    |
clk                                | BUFGP                  | 11    |
u2_mmux_sramclk_result1:o          | NONE(*)(u2_addrbuf_11) | 20    |
-----------------------------------+------------------------+-------+
(*) These 4 clock signal(s) are generated by combinatorial logic,
and XST is not able to identify which are the primary clock signals.
Please use the CLOCK_SIGNAL constraint to specify the clock signal(s) generated by combinatorial logic.

Timing Summary:
---------------
Speed Grade: -6

   Minimum period: 8.435ns (Maximum Frequency: 118.554MHz)
   Minimum input arrival time before clock: 7.645ns
   Maximum output required time after clock: 11.918ns
   Maximum combinational path delay: No path found

=========================================================================

Completed process "Synthesize".



Project Navigator Auto-Make Log File
-------------------------------------


Started process "Translate".


Command Line: ngdbuild -quiet -dd d:\vgashow/_ngo -i -p xc2s300e-fg456-6 top.ngc
top.ngd 

Reading NGO file "D:/vgashow/top.ngc" ...
Reading component libraries for design expansion...
Launcher: "ground.ngo" is up to date.
Loading design module "d:\vgashow\_ngo\ground.ngo"...
Launcher: "logo.ngo" is up to date.
Loading design module "d:\vgashow\_ngo\logo.ngo"...
ERROR:NgdBuild:76 - File "d:\vgashow\_ngo\logo.ngo" cannot be merged into block
   "u1_u0" (TYPE="logo") because one or more pins on the block, including pin
   "addr<12>", were not found in the file.  Please make sure that all pins on
   the instantiated component match pins in the lower-level design block
   (irrespective of case).  If there are bussed pins on this block, make sure
   that the upper-level and lower-level netlists use the same bus-naming
   convention.

Checking timing specifications ...
Checking expanded design ...
ERROR:NgdBuild:604 - logical block 'u1_u0' with type 'logo' could not be
   resolved. A pin name misspelling can cause this, a missing edif or ngc file,
   or the misspelling of a type name. Symbol 'logo' is not supported in target
   'spartan2e'.
WARNING:NgdBuild:477 - clock net 'u0_rxdin' has non-clock connections. These
   problematic connections include: pin i2 on block u0__n0010<2>7_g with type
   LUT4, pin i0 on block u0_ker72911 with type LUT3, pin I1 on block u0_ker73071
   with type LUT3_L, pin I1 on block u0__n0019_sw0 with type LUT4_L, pin I2 on
   block u0_ker71981 with type LUT4_D, pin I3 on block u0__n0010<1>14 with type
   LUT4_L, pin I3 on block u0_ker7277_sw0 with type LUT4_D
WARNING:NgdBuild:478 - clock net 'u0_rxdin' drives no clock pins

NGDBUILD Design Results Summary:
  Number of errors:     2
  Number of warnings:   2


One or more errors were found during NGDBUILD.  No NGD file will be written.

Writing NGDBUILD log file "top.bld"...
ERROR: NGDBUILD failed
Reason: 

Completed process "Translate".


Project Navigator Auto-Make Log File
-------------------------------------