Fortuna mines empty source

.gitignore

+_build
+.cache

Makefile

+# Universal Makefile   Version: 23.02.2016
+#
+# Appears to work under Linux, OSX, and Cygwin/Windows.
+# Under OSX it should be named "Makefile".
+#
+# Requires GNU 'make' and 'find'.
+
+# Target Architecture
+BOARD := LaFortuna
+MCU   := at90usb1286
+F_CPU := 8000000UL
+
+# Tool Options
+CFLAGS    := -Os -mmcu=$(MCU) -DF_CPU=$(F_CPU)
+# CFLAGS    += -Wl,-u,vfprintf -lprintf_flt -lm  # floating point support
+CFLAGS    += -fno-strict-aliasing  # FATfs does not adhere to strict aliasing
+CFLAGS    += -Wno-main             # main() will never return
+CFLAGS    += -Wall -Wextra -pedantic
+CFLAGS    += -Wstrict-overflow=5 -fstrict-overflow -Winline
+CHKFLAGS  :=
+# CHKFLAGS  += -fsyntax-only
+BUILD_DIR := _build
+
+# Ignoring hidden directories; sorting to drop duplicates:
+CFILES := $(shell find . ! -path "*/\.*" -type f -name "*.c")
+CPPFILES := $(shell find . ! -path "*/\.*" -type f -name "*.cpp")
+CPATHS := $(sort $(dir $(CFILES)))
+CPPATHS += $(sort $(dir $(CPPFILES)))
+vpath %.c   $(CPATHS)
+vpath %.cpp $(CPPATHS)
+HFILES := $(shell find . ! -path "*/\.*" -type f -name "*.h")
+HPATHS := $(sort $(dir $(HFILES)))
+vpath %.h $(HPATHS)
+CFLAGS += $(addprefix -I ,$(HPATHS))
+DEPENDENCIES := $(patsubst %.c,$(BUILD_DIR)/%.d,$(notdir $(CFILES)))
+DEPENDENCIES += $(patsubst %.cpp,$(BUILD_DIR)/%.d,$(notdir $(CPPILES)))
+OBJFILES     := $(patsubst %.c,$(BUILD_DIR)/%.o,$(notdir $(CFILES)))
+OBJFILES     += $(patsubst %.cpp,$(BUILD_DIR)/%.o,$(notdir $(CPPFILES)))
+
+.PHONY: upld prom clean check-syntax ?
+
+upld: $(BUILD_DIR)/main.hex
+	$(info )
+	$(info =========== ${BOARD} =============)
+	dfu-programmer $(MCU) erase
+	dfu-programmer $(MCU) flash $(BUILD_DIR)/main.hex
+	dfu-programmer $(MCU) launch --no-reset # requires dfu-programmer >= v0.7.0
+
+prom: $(BUILD_DIR)/main.eep upld
+	$(info ======== EEPROM: ${BOARD} ========)
+	dfu-programmer $(MCU) flash-eeprom $(BUILD_DIR)/main.eep
+
+$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
+	@avr-gcc $(CFLAGS) -MMD -MP -c $< -o $@
+
+$(BUILD_DIR)/%.o: %.cpp Makefile | $(BUILD_DIR)
+	@avr-g++ $(CFLAGS) -MMD -MP -c $< -o $@
+
+$(BUILD_DIR)/%.elf %.elf: $(OBJFILES)
+	@avr-gcc -mmcu=$(MCU) -o $@  $^
+
+$(BUILD_DIR)/%.hex %.hex: $(BUILD_DIR)/%.elf
+	@avr-objcopy -R .eeprom -R .fuse -R .lock -R .signature -O ihex  $<  "$@"
+
+$(BUILD_DIR)/%.eep %.eep: $(BUILD_DIR)/%.elf
+	@avr-objcopy -j .eeprom --change-section-lma .eeprom=0 -O ihex $< "$@"
+
+
+-include $(sort $(DEPENDENCIES))
+
+$(BUILD_DIR):
+	@mkdir -p $(BUILD_DIR)
+
+# Emacs flymake support
+check-syntax:
+	@avr-gcc $(CFLAGS) $(CHKFLAGS) -o /dev/null -S $(CHK_SOURCES)
+
+clean:
+	@$(RM) -rf $(BUILD_DIR)
+
+?%:
+	@echo '$*=$($*)'
+
+?:
+	$(info -------------------------------------------------)
+	$(info Usage:)
+	$(info Source files can be grouped into subdirectories.)
+	$(info To build an executable and attempt to upload it,)
+	$(info use just "make". If the executable requires EEPROM)
+	$(info initialization, use "make prom".)
+	$(info )
+	$(info make mymain.hex --> to build a hex-file for mymain.c)
+	$(info make mymain.eep --> for an EEPROM  file for mymain.c)
+	$(info make mymain.elf --> for an elf-file for mymain.c)
+	$(info make ?CFILES    --> show C source files to be used)
+	$(info make ?CPPFILES  --> show C++ source files to be used)
+	$(info make ?HFILES    --> show header files found)
+	$(info make ?HPATHS    --> show header locations)
+	$(info make ?CFLAGS    --> show compiler options)
+	$(info )
+	$(info See the Makefile for more variables that can be)
+	$(info displayed as above.)
+	$(info -------------------------------------------------)
+	@:
+
+
+# The MIT License (MIT)
+#
+# Copyright (c) 2014-2015 Klaus-Peter Zauner
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+#===================================================================

compile_commands.json

+[
+    {
+        "arguments": [
+            "avr-gcc",
+            "-c",
+            "-Os",
+            "-mmcu=at90usb1286",
+            "-DF_CPU=8000000UL",
+            "-fno-strict-aliasing",
+            "-Wno-main",
+            "-Wall",
+            "-Wextra",
+            "-pedantic",
+            "-Wstrict-overflow=5",
+            "-fstrict-overflow",
+            "-Winline",
+            "-o",
+            "_build/t01sk.o",
+            "t01sk.c"
+        ],
+        "directory": "/home/bradley/src/c/fortuna-tasks/task1",
+        "file": "t01sk.c"
+    }
+]