diff options
Diffstat (limited to 'examples/igloo2')
| -rw-r--r-- | examples/igloo2/.gitignore | 1 | ||||
| -rw-r--r-- | examples/igloo2/example.pdc | 19 | ||||
| -rw-r--r-- | examples/igloo2/example.sdc | 1 | ||||
| -rw-r--r-- | examples/igloo2/example.v | 51 | ||||
| -rw-r--r-- | examples/igloo2/libero.tcl | 4 |
5 files changed, 69 insertions, 7 deletions
diff --git a/examples/igloo2/.gitignore b/examples/igloo2/.gitignore index ea58efc9f..33b7182d3 100644 --- a/examples/igloo2/.gitignore +++ b/examples/igloo2/.gitignore @@ -1,3 +1,4 @@ /netlist.edn /netlist.vm +/example.stp /proj diff --git a/examples/igloo2/example.pdc b/examples/igloo2/example.pdc index e6ffd53db..298d9e934 100644 --- a/examples/igloo2/example.pdc +++ b/examples/igloo2/example.pdc @@ -1 +1,20 @@ # Add placement constraints here + +set_io clk -pinname H16 -fixed yes -DIRECTION INPUT + +set_io SW1 -pinname H12 -fixed yes -DIRECTION INPUT +set_io SW2 -pinname H13 -fixed yes -DIRECTION INPUT + +set_io LED1 -pinname J16 -fixed yes -DIRECTION OUTPUT +set_io LED2 -pinname M16 -fixed yes -DIRECTION OUTPUT +set_io LED3 -pinname K16 -fixed yes -DIRECTION OUTPUT +set_io LED4 -pinname N16 -fixed yes -DIRECTION OUTPUT + +set_io AA -pinname L12 -fixed yes -DIRECTION OUTPUT +set_io AB -pinname L13 -fixed yes -DIRECTION OUTPUT +set_io AC -pinname M13 -fixed yes -DIRECTION OUTPUT +set_io AD -pinname N15 -fixed yes -DIRECTION OUTPUT +set_io AE -pinname L11 -fixed yes -DIRECTION OUTPUT +set_io AF -pinname L14 -fixed yes -DIRECTION OUTPUT +set_io AG -pinname N14 -fixed yes -DIRECTION OUTPUT +set_io CA -pinname M15 -fixed yes -DIRECTION OUTPUT diff --git a/examples/igloo2/example.sdc b/examples/igloo2/example.sdc index c6ff94161..f8b487316 100644 --- a/examples/igloo2/example.sdc +++ b/examples/igloo2/example.sdc @@ -1 +1,2 @@ # Add timing constraints here +create_clock -period 10.000 -waveform {0.000 5.000} [get_ports {clk}] diff --git a/examples/igloo2/example.v b/examples/igloo2/example.v index 1a1967d5a..4a9486e50 100644 --- a/examples/igloo2/example.v +++ b/examples/igloo2/example.v @@ -1,23 +1,64 @@ module example ( input clk, - input EN, + input SW1, + input SW2, output LED1, output LED2, output LED3, output LED4, - output LED5 + + output AA, AB, AC, AD, + output AE, AF, AG, CA ); - localparam BITS = 5; + localparam BITS = 8; localparam LOG2DELAY = 22; reg [BITS+LOG2DELAY-1:0] counter = 0; reg [BITS-1:0] outcnt; always @(posedge clk) begin - counter <= counter + EN; + counter <= counter + SW1 + SW2 + 1; outcnt <= counter >> LOG2DELAY; end - assign {LED1, LED2, LED3, LED4, LED5} = outcnt ^ (outcnt >> 1); + assign {LED1, LED2, LED3, LED4} = outcnt ^ (outcnt >> 1); + + // assign CA = counter[10]; + // seg7enc seg7encinst ( + // .seg({AA, AB, AC, AD, AE, AF, AG}), + // .dat(CA ? outcnt[3:0] : outcnt[7:4]) + // ); + + assign {AA, AB, AC, AD, AE, AF, AG} = ~(7'b 100_0000 >> outcnt[6:4]); + assign CA = outcnt[7]; +endmodule + +module seg7enc ( + input [3:0] dat, + output [6:0] seg +); + reg [6:0] seg_inv; + always @* begin + seg_inv = 0; + case (dat) + 4'h0: seg_inv = 7'b 0111111; + 4'h1: seg_inv = 7'b 0000110; + 4'h2: seg_inv = 7'b 1011011; + 4'h3: seg_inv = 7'b 1001111; + 4'h4: seg_inv = 7'b 1100110; + 4'h5: seg_inv = 7'b 1101101; + 4'h6: seg_inv = 7'b 1111101; + 4'h7: seg_inv = 7'b 0000111; + 4'h8: seg_inv = 7'b 1111111; + 4'h9: seg_inv = 7'b 1101111; + 4'hA: seg_inv = 7'b 1110111; + 4'hB: seg_inv = 7'b 1111100; + 4'hC: seg_inv = 7'b 0111001; + 4'hD: seg_inv = 7'b 1011110; + 4'hE: seg_inv = 7'b 1111001; + 4'hF: seg_inv = 7'b 1110001; + endcase + end + assign seg = ~seg_inv; endmodule diff --git a/examples/igloo2/libero.tcl b/examples/igloo2/libero.tcl index 6f7d4e24b..abc94e479 100644 --- a/examples/igloo2/libero.tcl +++ b/examples/igloo2/libero.tcl @@ -8,8 +8,8 @@ new_project \ -block_mode 0 \ -hdl "VERILOG" \ -family IGLOO2 \ - -die PA4MGL500 \ - -package tq144 \ + -die PA4MGL2500 \ + -package vf256 \ -speed -1 import_files -hdl_source {netlist.vm} |