Icezum Alhambra board example: Testing the pushbutton

4 files changed, 69 insertions, 0 deletions

diff --git a/icezum/pushbutton/Makefile b/icezum/pushbutton/Makefile
new file mode 100644
index 0000000..d483e9a
--- /dev/null
+++ b/icezum/pushbutton/Makefile
@@ -0,0 +1,32 @@
+PROJ = pushbutton
+PIN_DEF = $(PROJ).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 $(PROJ).bin work-obj93.cf
+
+.SECONDARY:
+.PHONY: all prog clean
diff --git a/icezum/pushbutton/README.md b/icezum/pushbutton/README.md
new file mode 100644
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+++ b/icezum/pushbutton/README.md
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+A hello world example for the **Icezum Alhambra board**
+It just blinks all the leds
+
+Execute
+
+```sh
+$ make
+```
+
+for synthesizing the example and
+
+```sh
+$ make prog
+```
+
+for programing the board
diff --git a/icezum/pushbutton/pushbutton.pcf b/icezum/pushbutton/pushbutton.pcf
new file mode 100644
index 0000000..807307f
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+++ b/icezum/pushbutton/pushbutton.pcf
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+set_io sw1  10

+set_io led0 95

+set_io led7 104

+

+

+

+

diff --git a/icezum/pushbutton/pushbutton.vhdl b/icezum/pushbutton/pushbutton.vhdl
new file mode 100644
index 0000000..8ad516e
--- /dev/null
+++ b/icezum/pushbutton/pushbutton.vhdl
@@ -0,0 +1,14 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity pushbutton is
+  port (sw1 : in std_logic;
+        led0, led7 : out std_logic);
+end pushbutton;
+
+architecture synth of pushbutton is
+begin
+  led0 <= sw1;
+  led7 <= not sw1;
+end synth;