Temperature measurements

1 files changed, 130 insertions, 0 deletions

diff --git a/src/temperature/Makefile b/src/temperature/Makefile
new file mode 100644
index 0000000..e29a3ba
--- /dev/null
+++ b/src/temperature/Makefile
@@ -0,0 +1,130 @@
+###
+# GNU ARM Embedded Toolchain
+CC=arm-none-eabi-gcc
+LD=arm-none-eabi-ld
+AR=arm-none-eabi-ar
+AS=arm-none-eabi-as
+CP=arm-none-eabi-objcopy
+OD=arm-none-eabi-objdump
+SIZE=arm-none-eabi-size
+
+###
+# Directory Structure
+BINDIR=bin
+SRCDIR=.
+
+###
+# Find source files
+ASOURCES=$(shell find -L $(SRCDIR) -name '*.s')
+CSOURCES+=$(shell find -L $(SRCDIR) -name '*.c')
+# Find header directories
+INC=$(shell find -L . -name '*.h' -exec dirname {} \; | uniq)
+INCLUDES=$(INC:%=-I%)
+# Create object list
+OBJECTS=$(ASOURCES:%.s=%.o)
+OBJECTS+=$(CSOURCES:%.c=%.o)
+# Define output files ELF & IHEX
+BINELF=outp.elf
+BINHEX=outp.hex
+
+###
+# MCU FLAGS
+MCFLAGS=-mcpu=cortex-m4 -mthumb -mlittle-endian \
+-mfpu=fpv4-sp-d16 -mfloat-abi=softfp -mthumb-interwork
+# COMPILE FLAGS
+DEFS=-DUSE_STDPERIPH_DRIVER -DSTM32F4XX -DARM_MATH_CM4 -D__FPU_PRESENT=1
+CFLAGS  =-Wall -ggdb -std=c99 -c $(MCFLAGS) $(DEFS) $(INCLUDES)
+# LINKER FLAGS
+LDSCRIPT= bsp/stm32_flash.ld
+LDFLAGS =-T $(LDSCRIPT) --specs=nosys.specs $(MCFLAGS) -lm
+LDFLAGS += -u _printf_float
+
+###
+# Optimizations
+OPT?='O1 O2 O3 O4 O6 O7' # O5 disabled by default, because it breaks code
+
+ifneq ($(findstring release-memopt,$(MAKECMDGOALS)),)
+ifneq ($(filter O1,$(OPT)),)
+CXXFLAGS+=-fno-exceptions # Uncomment to disable exception handling
+DEFS+=-DNO_EXCEPTIONS # The source code has to comply with this rule
+endif
+
+ifneq ($(filter O2,$(OPT)),)
+CFLAGS+=-Os # Optimize for size https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html
+CXXFLAGS+=-Os
+LDFLAGS+=-Os # Optimize for size https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html
+endif
+
+ifneq ($(filter O3,$(OPT)),)
+CFLAGS+=-ffunction-sections -fdata-sections # Place each function or data item into its own section in the output file
+CXXFLAGS+=-ffunction-sections -fdata-sections # -||-
+LDFLAGS+=-Wl,-gc-sections # Remove isolated unused sections
+endif
+
+ifneq ($(filter O4,$(OPT)),)
+CFLAGS+=-fno-builtin # Disable C++ exception handling
+CXXFLAGS+=-fno-builtin # Disable C++ exception handling
+endif
+
+ifneq ($(filter O5,$(OPT)),)
+CFLAGS+=-flto # Enable link time optimization
+CXXFLAGS+=-flto # Enable link time optimization
+LDFLAGS+=-flto # Enable link time optimization
+endif
+
+ifneq ($(filter O6,$(OPT)),)
+CXXFLAGS+=-fno-rtti # Disable type introspection
+endif
+
+ifneq ($(findstring O7,$(OPT)),)
+LDFLAGS+=--specs=nano.specs # Use size optimized newlib
+endif
+endif
+
+LDFLAGS += --specs=rdimon.specs -lc -lrdimon
+
+###
+# Build Rules
+.PHONY: all release release-memopt debug clean
+
+all: release
+
+release: $(BINDIR)/$(BINHEX)
+
+release-memopt: release
+
+debug: CFLAGS+=-g
+debug: LDFLAGS+=-g
+debug: release
+
+$(BINDIR)/$(BINHEX): $(BINDIR)/$(BINELF)
+	$(CP) -O ihex $< $@
+
+$(BINDIR)/$(BINELF): $(OBJECTS)
+	$(CC) $(LDFLAGS) $(OBJECTS) -o $@
+	$(SIZE) $(BINDIR)/$(BINELF)
+
+%.o: %.c
+	$(CC) $(CFLAGS) $< -o $@
+
+%.o: %.s
+	$(CC) $(CFLAGS) $< -o $@
+
+clean:
+	rm -f $(OBJECTS) $(BINDIR)/$(BINELF) $(BINDIR)/$(BINHEX)
+
+# Connect to openocd's gdb server on port 3333
+deploy: $(BINDIR)/$(BINELF)
+ifeq ($(wildcard /opt/openocd/bin/openocd),)
+	/usr/bin/openocd -f /usr/share/openocd/scripts/board/stm32f4discovery.cfg -c "program bin/"$(BINELF)" verify reset" -c "init" -c "reset" -c "exit"
+else
+	/opt/openocd/bin/openocd -f /opt/openocd/share/openocd/scripts/board/stm32f4discovery.cfg -c "program bin/"$(BINELF)" verify reset" -c "init" -c "reset" -c "exit"
+endif
+
+deploy_debug: $(BINDIR)/$(BINELF)
+ifeq ($(wildcard /opt/openocd/bin/openocd),)
+	/usr/bin/openocd -f /usr/share/openocd/scripts/board/stm32f4discovery.cfg -c "program bin/"$(BINELF)" verify reset"  -c "init" -c "reset halt" -c "exit"
+	/usr/bin/openocd -f /usr/share/openocd/scripts/board/stm32f4discovery.cfg -c "init" -c "reset halt" -c "arm semihosting enable" -c "reset"
+else
+	/opt/openocd/bin/openocd -f /opt/openocd/share/openocd/scripts/board/stm32f4discovery.cfg -c "program bin/"$(BINELF)" verify reset" -c "init" -c "reset halt" -c "arm semihosting enable" -c "reset"
+endif