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| author | devantech <35335852+devantech@users.noreply.github.com> | 2020-02-12 10:45:55 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-02-12 10:45:55 +0000 |
| commit | 074e43d92ac7de3fc8fb5ba6c4596c5cc58c4a0d (patch) | |
| tree | c19bd7534e29d89b120c910d598910399bdc7b95 /music/fpga4fun/simple_beep | |
| parent | f7210f49f67444b135ddc6e92da67fc533abba44 (diff) | |
| parent | bb6be8d6bf84071ad04247163932fecff500367e (diff) | |
| download | iceFUN-074e43d92ac7de3fc8fb5ba6c4596c5cc58c4a0d.tar.gz iceFUN-074e43d92ac7de3fc8fb5ba6c4596c5cc58c4a0d.tar.bz2 iceFUN-074e43d92ac7de3fc8fb5ba6c4596c5cc58c4a0d.zip | |
Merge pull request #2 from splinedrive/fpga4fun_music_box
ported fpga fun music examples to iceFun. iceFun has built-in speakers.
Diffstat (limited to 'music/fpga4fun/simple_beep')
| -rw-r--r-- | music/fpga4fun/simple_beep/Makefile | 21 | ||||
| -rw-r--r-- | music/fpga4fun/simple_beep/iceFUN.pcf | 25 | ||||
| -rw-r--r-- | music/fpga4fun/simple_beep/top.v | 35 |
3 files changed, 81 insertions, 0 deletions
diff --git a/music/fpga4fun/simple_beep/Makefile b/music/fpga4fun/simple_beep/Makefile new file mode 100644 index 0000000..52d9869 --- /dev/null +++ b/music/fpga4fun/simple_beep/Makefile @@ -0,0 +1,21 @@ +# Project setup +PROJ = top + +# Files +FILES = top.v + +.PHONY: iceFUN clean burn + +iceFUN: + # synthesize using Yosys + yosys -p "synth_ice40 -top top -json $(PROJ).json" $(FILES) + # Place and route using nextpnr + nextpnr-ice40 -r --hx8k --json $(PROJ).json --package cb132 --asc $(PROJ).asc --opt-timing --pcf iceFUN.pcf + # Convert to bitstream using IcePack + icepack $(PROJ).asc $(PROJ).bin + +burn: + iceFUNprog $(PROJ).bin + +clean: + rm -f *.asc *.bin *.blif *.json diff --git a/music/fpga4fun/simple_beep/iceFUN.pcf b/music/fpga4fun/simple_beep/iceFUN.pcf new file mode 100644 index 0000000..5fb58d0 --- /dev/null +++ b/music/fpga4fun/simple_beep/iceFUN.pcf @@ -0,0 +1,25 @@ +# For iceFUN board + +set_io --warn-no-port led1 C10 +set_io --warn-no-port led2 A10 +set_io --warn-no-port led3 D7 +set_io --warn-no-port led4 D6 +set_io --warn-no-port led5 A7 +set_io --warn-no-port led6 C7 +set_io --warn-no-port led7 A4 +set_io --warn-no-port led8 C4 +set_io --warn-no-port lcol1 A12 +set_io --warn-no-port lcol2 D10 +set_io --warn-no-port lcol3 A6 +set_io --warn-no-port lcol4 C5 +set_io --warn-no-port spkp M12 +set_io --warn-no-port spkm M6 +set_io --warn-no-port key1 C11 +set_io --warn-no-port key2 C6 +set_io --warn-no-port key3 A11 +set_io --warn-no-port key4 A5 +set_io --warn-no-port red P14 +set_io --warn-no-port green N14 +set_io --warn-no-port blue L14 + +set_io --warn-no-port clk12MHz P7 diff --git a/music/fpga4fun/simple_beep/top.v b/music/fpga4fun/simple_beep/top.v new file mode 100644 index 0000000..069e4d1 --- /dev/null +++ b/music/fpga4fun/simple_beep/top.v @@ -0,0 +1,35 @@ +/* +* (c) https://www.fpga4fun.com +* + * ported to iceFun FPGA by Hirosh Dabui <hirosh@dabui.de> + */ +module top ( + input clk12MHz, + output spkp, + output spkm +); + +wire clk; +assign spkp = speaker; +assign spkm = ~speaker; +// 25 MHz PLL +SB_PLL40_CORE #( + .FEEDBACK_PATH("SIMPLE"), + .DIVR(4'b0000), // DIVR = 0 + .DIVF(7'b1000010), // DIVF = 66 + .DIVQ(3'b101), // DIVQ = 5 + .FILTER_RANGE(3'b001) // FILTER_RANGE = 1 +) uut ( + .LOCK(locked), + .RESETB(1'b1), + .BYPASS(1'b0), + .REFERENCECLK(clk12MHz), + .PLLOUTCORE(clk) +); + +reg [15:0] counter; +always @(posedge clk) counter <= counter+1; + +// and use the most significant bit (MSB) of the counter to drive the speaker + assign speaker = counter[15]; +endmodule |