root commit

Author: perigoso

firmware/.vscode/.gitignore

@@ -0,0 +1,5 @@
+*
+
+!.gitignore
+!launch.json
+!tasks.json

firmware/.vscode/tasks.json

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+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Build",
+            "type": "shell",
+            "command": "make",
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        },
+        {
+            "label": "Rebuild",
+            "type": "shell",
+            "command": "make clean; make"
+        },
+        {
+            "label": "Clean",
+            "type": "shell",
+            "command": "make clean"
+        }
+    ]
+}

firmware/Makefile

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+TARGET_NAME = ice40-dev
+
+# Directories
+TARGETDIR = bin
+SOURCEDIR = src
+
+# flags
+# lp384 set device type to iCE40LP384
+# lp1k  set device type to iCE40LP1K
+# lp8k  set device type to iCE40LP8K
+# hx1k  set device type to iCE40HX1K
+# hx8k  set device type to iCE40HX8K
+# up5k  set device type to iCE40UP5K
+# u4k	set device type to iCE5LP4K
+DEVICE = lp384
+PACKAGE = SG32
+TOPVFILE = top
+
+# Sources
+SRCFILES := $(addsuffix /*, $(SOURCEDIR))
+SRCFILES := $(wildcard $(SRCFILES))
+
+VSOURCES := $(filter %.v, $(SRCFILES))
+PCFILE	:= $(filter %.pcf, $(SRCFILES))
+
+# Targets
+TARGETBIN = $(addsuffix .bin, $(TARGETDIR)/$(TARGET_NAME))
+TARGETASC = $(addsuffix .asc, $(TARGETDIR)/$(TARGET_NAME))
+TARGETBLIF = $(addsuffix .blif, $(TARGETDIR)/$(TARGET_NAME))
+TARGETJSON = $(addsuffix .json, $(TARGETDIR)/$(TARGET_NAME))
+
+synthesize: make-dir $(TARGETBIN)
+
+$(TARGETBLIF): $(VSOURCES)
+	@echo Synthesizing blif file...
+	@yosys -q -p "synth_ice40 -top $(TOPVFILE) -asc $@" $(VSOURCES)
+
+$(TARGETJSON): $(VSOURCES)
+	@echo Synthesizing json file...
+	@yosys -q -p "synth_ice40 -top $(TOPVFILE) -json $@" $(VSOURCES)
+
+$(TARGETASC): $(TARGETJSON) $(PCFILE)
+	@echo Runing place and route...
+	@nextpnr-ice40 -q --$(DEVICE) --json $(TARGETJSON) --pcf $(PCFILE) --asc $@
+
+$(TARGETBIN): $(TARGETASC)
+	@echo Packing bin file...
+	@icepack $< $@
+
+run: $(TARGETBIN)
+	@iceprog -S $<
+
+flash: $(TARGETBIN)
+	@iceprog $<
+
+#burn: $(TARGETBIN)
+
+#erase: iceprog -b -c $<
+
+timing: $(TARGETASC)
+	icetime -tmd $(DEVICE) -r $(TARGETDIR)/$@.txt $<
+
+make-dir:
+	@mkdir -p $(TARGETDIR)
+
+clean:
+	@rm -rf $(TARGETDIR)/*
+
+.PHONY: clean make-dir timing flash run synthesize