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author | Clifford Wolf <clifford@clifford.at> | 2015-12-08 12:54:20 +0100 |
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committer | Clifford Wolf <clifford@clifford.at> | 2015-12-08 12:54:20 +0100 |
commit | f7cb6e8e07c9b314e5052c4b0416db422dbdeb7b (patch) | |
tree | 28a2a4f556f0b319285c0532c0a084ae5c16b47f /examples/icestick | |
parent | 2696346d6cbde636c24e853c18272d40b38285bf (diff) | |
download | icestorm-f7cb6e8e07c9b314e5052c4b0416db422dbdeb7b.tar.gz icestorm-f7cb6e8e07c9b314e5052c4b0416db422dbdeb7b.tar.bz2 icestorm-f7cb6e8e07c9b314e5052c4b0416db422dbdeb7b.zip |
Added icestick and hx8kboard examples
Diffstat (limited to 'examples/icestick')
-rw-r--r-- | examples/icestick/.gitignore | 3 | ||||
-rw-r--r-- | examples/icestick/Makefile | 18 | ||||
-rw-r--r-- | examples/icestick/example.v | 22 | ||||
-rw-r--r-- | examples/icestick/icestick.pcf | 6 |
4 files changed, 49 insertions, 0 deletions
diff --git a/examples/icestick/.gitignore b/examples/icestick/.gitignore new file mode 100644 index 0000000..4b77d1b --- /dev/null +++ b/examples/icestick/.gitignore @@ -0,0 +1,3 @@ +example.bin +example.blif +example.txt diff --git a/examples/icestick/Makefile b/examples/icestick/Makefile new file mode 100644 index 0000000..295642a --- /dev/null +++ b/examples/icestick/Makefile @@ -0,0 +1,18 @@ +all: example.bin + +example.blif: example.v + yosys -p 'synth_ice40 -top top -blif example.blif' example.v + +example.txt: example.blif icestick.pcf + arachne-pnr -d 1k -o example.txt -p icestick.pcf example.blif + +example.bin: example.txt + icepack example.txt example.bin + +prog: + iceprog example.bin + +clean: + rm -f example.blif example.txt example.bin + +.PHONY: all prog clean diff --git a/examples/icestick/example.v b/examples/icestick/example.v new file mode 100644 index 0000000..cb7cfcd --- /dev/null +++ b/examples/icestick/example.v @@ -0,0 +1,22 @@ +module top ( + input clk, + output LED1, + output LED2, + output LED3, + output LED4, + output LED5 +); + + localparam BITS = 5; + localparam LOG2DELAY = 22; + + reg [BITS+LOG2DELAY-1:0] counter = 0; + reg [BITS-1:0] outcnt; + + always@(posedge clk) begin + counter <= counter + 1; + outcnt <= counter >> LOG2DELAY; + end + + assign {LED1, LED2, LED3, LED4, LED5} = outcnt ^ (outcnt >> 1); +endmodule diff --git a/examples/icestick/icestick.pcf b/examples/icestick/icestick.pcf new file mode 100644 index 0000000..a1693eb --- /dev/null +++ b/examples/icestick/icestick.pcf @@ -0,0 +1,6 @@ +set_io LED1 99
+set_io LED2 98
+set_io LED3 97
+set_io LED4 96
+set_io LED5 95
+set_io clk 21
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