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| author | obijuan <juan@iearobotics.com> | 2017-02-11 11:31:45 +0100 |
|---|---|---|
| committer | obijuan <juan@iearobotics.com> | 2017-02-11 11:31:45 +0100 |
| commit | fefc6e76ffe3d88dfbd1badce83600e3cb919179 (patch) | |
| tree | fa77f57064cc615090aa714c97d6f74ba0c56397 | |
| parent | 544101c7674cdc4d7dd06d4d401a444870143d48 (diff) | |
| parent | 2e9f36985f1b320a8cf5d57fba40aa822cd0f6ab (diff) | |
| download | ghdl-yosys-plugin-fefc6e76ffe3d88dfbd1badce83600e3cb919179.tar.gz ghdl-yosys-plugin-fefc6e76ffe3d88dfbd1badce83600e3cb919179.tar.bz2 ghdl-yosys-plugin-fefc6e76ffe3d88dfbd1badce83600e3cb919179.zip | |
blink example for the icezum alhambra board added
| -rw-r--r-- | icezum/blink/Makefile | 32 | ||||
| -rw-r--r-- | icezum/blink/README.md | 16 | ||||
| -rw-r--r-- | icezum/blink/blink.pcf | 11 | ||||
| -rw-r--r-- | icezum/blink/blink.vhdl | 35 | ||||
| -rw-r--r-- | icezum/led_on/Makefile | 1 |
5 files changed, 94 insertions, 1 deletions
diff --git a/icezum/blink/Makefile b/icezum/blink/Makefile new file mode 100644 index 0000000..e7c2964 --- /dev/null +++ b/icezum/blink/Makefile @@ -0,0 +1,32 @@ +PROJ = blink +PIN_DEF = blink.pcf +DEVICE = hx1k + +all: $(PROJ).rpt $(PROJ).bin + +%.blif: %.vhdl + ghdl -a $(PROJ).vhdl + yosys -m ../../ghdl.so -p 'ghdl $(PROJ); synth_ice40 -blif $@' + + +%.asc: $(PIN_DEF) %.blif + arachne-pnr -d $(subst hx,,$(subst lp,,$(DEVICE))) -o $@ -p $^ + +%.bin: %.asc + icepack $< $@ + +%.rpt: %.asc + icetime -d $(DEVICE) -mtr $@ $< + +prog: $(PROJ).bin + iceprog $< + +sudo-prog: $(PROJ).bin + @echo 'Executing prog as root!!!' + sudo iceprog $< + +clean: + rm -f $(PROJ).blif $(PROJ).asc $(PROJ).rpt $(PROJ).bin work-obj93.cf + +.SECONDARY: +.PHONY: all prog clean diff --git a/icezum/blink/README.md b/icezum/blink/README.md new file mode 100644 index 0000000..e61330b --- /dev/null +++ b/icezum/blink/README.md @@ -0,0 +1,16 @@ +A hello world example for the **Icezum Alhambra board** +It just blinks all the leds + +Execute + +```sh +$ make +``` + +for synthesizing the example and + +```sh +$ make prog +``` + +for programing the board diff --git a/icezum/blink/blink.pcf b/icezum/blink/blink.pcf new file mode 100644 index 0000000..2f686f6 --- /dev/null +++ b/icezum/blink/blink.pcf @@ -0,0 +1,11 @@ +set_io led0 95
+set_io led1 96
+set_io led2 97
+set_io led3 98
+set_io led4 99
+set_io led5 101
+set_io led6 102
+set_io led7 104
+set_io clk 21
+
+
diff --git a/icezum/blink/blink.vhdl b/icezum/blink/blink.vhdl new file mode 100644 index 0000000..9279622 --- /dev/null +++ b/icezum/blink/blink.vhdl @@ -0,0 +1,35 @@ +library ieee; +use ieee.std_logic_1164.all; +use ieee.numeric_std.all; + +entity blink is + port (clk : in std_logic; + led0, led1, led2, led3, led4, led5, led6, led7 : out std_logic); +end blink; + +architecture synth of blink is + signal clk_4hz: std_logic; +begin + process (clk) + -- 3_000_000 is 0x2dc6c0 + variable counter : unsigned (23 downto 0); + begin + if rising_edge(clk) then + if counter = 2_999_999 then + counter := x"000000"; + clk_4hz <= not clk_4hz; + else + counter := counter + 1; + end if; + end if; + end process; + + led0 <= clk_4hz; + led1 <= clk_4hz; + led2 <= clk_4hz; + led3 <= clk_4hz; + led4 <= clk_4hz; + led5 <= clk_4hz; + led6 <= clk_4hz; + led7 <= clk_4hz; +end synth; diff --git a/icezum/led_on/Makefile b/icezum/led_on/Makefile index 53f078b..b85feb3 100644 --- a/icezum/led_on/Makefile +++ b/icezum/led_on/Makefile @@ -7,7 +7,6 @@ all: $(PROJ).rpt $(PROJ).bin %.blif: %.vhdl ghdl -a $(PROJ).vhdl yosys -m ../../ghdl.so -p 'ghdl $(PROJ); synth_ice40 -blif $@' - ##yosys -p 'synth_ice40 -top top -blif $@' $< %.asc: $(PIN_DEF) %.blif arachne-pnr -d $(subst hx,,$(subst lp,,$(DEVICE))) -o $@ -p $^ |