diff options
| author | Clifford Wolf <clifford@clifford.at> | 2015-02-16 12:41:48 +0100 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2015-02-16 12:41:48 +0100 |
| commit | 33e80b96c7aac6b93e6bee18572abf529f8cc1fa (patch) | |
| tree | ed7ef660268a1319f41eeaee292e0f9e7a8a08fe /misc/yosysjs/demo02.html | |
| parent | 0748ef638d34bb5dd125271abc4fe051f95a790d (diff) | |
Added YosysJS wrapper
Diffstat (limited to 'misc/yosysjs/demo02.html')
| -rw-r--r-- | misc/yosysjs/demo02.html | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/misc/yosysjs/demo02.html b/misc/yosysjs/demo02.html new file mode 100644 index 00000000..ec33198c --- /dev/null +++ b/misc/yosysjs/demo02.html @@ -0,0 +1,102 @@ +<html><head> + <title>YosysJS Example Application #02</title> + <script type="text/javascript" src="yosysjs.js"></script> +</head><body> + <div id="popup" style="position: fixed; left: 0; top: 0; width:100%; height:100%; text-align:center; z-index: 1000;"><div + style="width:300px; margin: 200px auto; background-color: #88f; border:3px dashed #000; + padding:15px; text-align:center;"><span id="popupmsg">Loading...</span></div> + </div> + <h1>YosysJS Example Application #02</h1> + <iframe id="ys" style="width: 800px; height: 100px;"></iframe><p/> + <textarea id="code" style="width: 800px; height: 300px;"> +// borrowed with some modifications from +// http://www.ee.ed.ac.uk/~gerard/Teach/Verilog/manual/Example/lrgeEx2/cooley.html +module up3down5(clock, data_in, up, down, carry_out, borrow_out, count_out, parity_out); + +input [8:0] data_in; +input clock, up, down; + +output reg [8:0] count_out; +output reg carry_out, borrow_out, parity_out; + +reg [9:0] cnt_up, cnt_dn; +reg [8:0] count_nxt; + +always @(posedge clock) +begin + cnt_dn = count_out - 3'b 101; + cnt_up = count_out + 2'b 11; + + case ({up,down}) + 2'b 00 : count_nxt = data_in; + 2'b 01 : count_nxt = cnt_dn; + 2'b 10 : count_nxt = cnt_up; + 2'b 11 : count_nxt = count_out; + default : count_nxt = 9'bX; + endcase + + parity_out <= ^count_nxt; + carry_out <= up & cnt_up[9]; + borrow_out <= down & cnt_dn[9]; + count_out <= count_nxt; +end + +endmodule + </textarea><p/> + <input type="button" value="Before Behavioral Synth" onclick="synth1()"> + <input type="button" value="After Behavioral Synth" onclick="synth2()"> + <input type="button" value="After RTL Synth" onclick="synth3()"> + <input type="button" value="After Gate-Level Synth" onclick="synth4()"><p/> + <svg id="svg" width="800"></svg> + </td></tr></table> + <script type="text/javascript"> + YosysJS.load_viz(); + function on_ys_ready() { + document.getElementById('popup').style.visibility = 'hidden'; + document.getElementById('popupmsg').textContent = 'Please wait..'; + } + function synth1() { + function work() { + ys.write_file("input.v", document.getElementById('code').value); + ys.run('design -reset; read_verilog input.v; show -stretch'); + YosysJS.dot_into_svg(ys.read_file('show.dot'), document.getElementById('svg')); + document.getElementById('popup').style.visibility = 'hidden'; + } + document.getElementById('popup').style.visibility = 'visible'; + window.setTimeout(work, 100); + } + function synth2() { + function work() { + ys.write_file("input.v", document.getElementById('code').value); + ys.run('design -reset; read_verilog input.v; proc; opt_clean; show -stretch'); + YosysJS.dot_into_svg(ys.read_file('show.dot'), document.getElementById('svg')); + document.getElementById('popup').style.visibility = 'hidden'; + } + document.getElementById('popup').style.visibility = 'visible'; + window.setTimeout(work, 100); + } + function synth3() { + function work() { + ys.write_file("input.v", document.getElementById('code').value); + ys.run('design -reset; read_verilog input.v; synth -run coarse; show -stretch'); + YosysJS.dot_into_svg(ys.read_file('show.dot'), document.getElementById('svg')); + document.getElementById('popup').style.visibility = 'hidden'; + } + document.getElementById('popup').style.visibility = 'visible'; + window.setTimeout(work, 100); + } + function synth4() { + function work() { + ys.write_file("input.v", document.getElementById('code').value); + ys.run('design -reset; read_verilog input.v; synth -run coarse; synth -run fine; show -stretch'); + YosysJS.dot_into_svg(ys.read_file('show.dot'), document.getElementById('svg')); + document.getElementById('popup').style.visibility = 'hidden'; + } + document.getElementById('popup').style.visibility = 'visible'; + window.setTimeout(work, 100); + } + var ys = YosysJS.create('ys', on_ys_ready); + ys.verbose = true; + ys.echo = true; + </script> +</body></html> |