[chibios] add chibios-libopencm3 support

Only the realtime scheduler and SDIO driver from ChibiOS is used.
This brings the support of the SD log on Apogee boards. The current
solution is not fully satisfactory and is an intermediate solution
before switching to a 'pure' ChibiOS arch.
Some of the implementations can be cleaned and/or improved, but since it
is not a long term solution, I doubt it is worth the effort here.
Normal bare-metal libopencm3 code is of course still working.
Git submodules:
- chibios: 2.6.2
- fatfs: patched version for chibios+pprz
This commit is contained in:
Gautier Hattenberger
2014-01-23 17:32:40 +01:00
committed by Felix Ruess
parent daf9408171
commit 6ff0fc973b
58 changed files with 7521 additions and 49 deletions
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# List of all the board related files.
CHIBIOSLIBSRC = ${CHIBIOS_LIB_DIR}/ringBuffer.c \
${CHIBIOS_LIB_DIR}/chibios_stub.c \
${CHIBIOS_LIB_DIR}/pprz_stub.c \
${CHIBIOS_LIB_DIR}/varLengthMsgQ.c \
${CHIBIOS_LIB_DIR}/rtcAccess.c \
${CHIBIOS_LIB_DIR}/sdLog.c \
${CHIBIOS_LIB_DIR}/chibios_sdlog.c \
${CHIBIOS_LIB_DIR}/sdio.c \
${CHIBIOS_LIB_DIR}/printf.c
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# Extra rules for ChibiOS rules.mk
#
# Initial directory tree is preserved for the build
#
ECOBJS = $(addprefix $(OBJDIR)/, $(ECSRC:.c=.o))
$(ECOBJS) : $(OBJDIR)/%.o : %.c Makefile
ifeq ($(USE_VERBOSE_COMPILE),yes)
@echo
VPATH=
test -d $(dir $@) || mkdir -p $(dir $@)
$(CC) -c $(CFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
else
@echo Compiling $(<F)
@VPATH=
@test -d $(dir $@) || mkdir -p $(dir $@)
@$(CC) -c $(CFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
endif
OBJS += $(ECOBJS)
# *** EOF ***
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# ARM Cortex-Mx common makefile scripts and rules.
# Output directory and files
ifeq ($(BUILDDIR),)
BUILDDIR = build
endif
ifeq ($(BUILDDIR),.)
BUILDDIR = build
endif
OUTFILES = $(BUILDDIR)/$(PROJECT).elf $(BUILDDIR)/$(PROJECT).hex \
$(BUILDDIR)/$(PROJECT).bin $(BUILDDIR)/$(PROJECT).dmp
# Automatic compiler options
OPT = $(USE_OPT)
COPT = $(USE_COPT)
CPPOPT = $(USE_CPPOPT)
ifeq ($(USE_LINK_GC),yes)
OPT += -ffunction-sections -fdata-sections -fno-common
endif
# Source files groups and paths
ifeq ($(USE_THUMB),yes)
TCSRC += $(CSRC)
TCPPSRC += $(CPPSRC)
else
ACSRC += $(CSRC)
ACPPSRC += $(CPPSRC)
endif
ASRC = $(ACSRC)$(ACPPSRC)
TSRC = $(TCSRC)$(TCPPSRC)
SRCPATHS = $(sort $(dir $(ASMXSRC)) $(dir $(ASMSRC)) $(dir $(ASRC)) $(dir $(TSRC)))
# Various directories
OBJDIR = $(BUILDDIR)/obj
LSTDIR = $(BUILDDIR)/lst
# Object files groups
ACOBJS = $(addprefix $(OBJDIR)/, $(notdir $(ACSRC:.c=.o)))
ACPPOBJS = $(addprefix $(OBJDIR)/, $(notdir $(ACPPSRC:.cpp=.o)))
TCOBJS = $(addprefix $(OBJDIR)/, $(notdir $(TCSRC:.c=.o)))
TCPPOBJS = $(addprefix $(OBJDIR)/, $(notdir $(TCPPSRC:.cpp=.o)))
ASMOBJS = $(addprefix $(OBJDIR)/, $(notdir $(ASMSRC:.s=.o)))
ASMXOBJS = $(addprefix $(OBJDIR)/, $(notdir $(ASMXSRC:.S=.o)))
OBJS = $(ASMXOBJS) $(ASMOBJS) $(ACOBJS) $(TCOBJS) $(ACPPOBJS) $(TCPPOBJS)
# Paths
IINCDIR = $(patsubst %,-I%,$(INCDIR) $(DINCDIR) $(UINCDIR))
LLIBDIR = $(patsubst %,-L%,$(DLIBDIR) $(ULIBDIR))
# Macros
DEFS = $(DDEFS) $(UDEFS)
ADEFS = $(DADEFS) $(UADEFS)
# Libs
LIBS = $(DLIBS) $(ULIBS)
# Various settings
MCFLAGS = -mcpu=$(MCU)
ODFLAGS = -x --syms
ASFLAGS = $(MCFLAGS) -Wa,-amhls=$(LSTDIR)/$(notdir $(<:.s=.lst)) $(ADEFS)
ASXFLAGS = $(MCFLAGS) -Wa,-amhls=$(LSTDIR)/$(notdir $(<:.S=.lst)) $(ADEFS)
CFLAGS = $(MCFLAGS) $(OPT) $(COPT) $(CWARN) -Wa,-alms=$(LSTDIR)/$(notdir $(<:.c=.lst)) $(DEFS)
CPPFLAGS = $(MCFLAGS) $(OPT) $(CPPOPT) $(CPPWARN) -Wa,-alms=$(LSTDIR)/$(notdir $(<:.cpp=.lst)) $(DEFS)
ifeq ($(USE_LINK_GC),yes)
LDFLAGS = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(BUILDDIR)/$(PROJECT).map,--cref,--no-warn-mismatch,--gc-sections $(LLIBDIR)
else
LDFLAGS = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(BUILDDIR)/$(PROJECT).map,--cref,--no-warn-mismatch $(LLIBDIR)
endif
# Thumb interwork enabled only if needed because it kills performance.
ifneq ($(TSRC),)
CFLAGS += -DTHUMB_PRESENT
CPPFLAGS += -DTHUMB_PRESENT
ASFLAGS += -DTHUMB_PRESENT
ifneq ($(ASRC),)
# Mixed ARM and THUMB mode.
CFLAGS += -mthumb-interwork
CPPFLAGS += -mthumb-interwork
ASFLAGS += -mthumb-interwork
LDFLAGS += -mthumb-interwork
else
# Pure THUMB mode, THUMB C code cannot be called by ARM asm code directly.
CFLAGS += -mno-thumb-interwork -DTHUMB_NO_INTERWORKING
CPPFLAGS += -mno-thumb-interwork -DTHUMB_NO_INTERWORKING
ASFLAGS += -mno-thumb-interwork -DTHUMB_NO_INTERWORKING -mthumb
LDFLAGS += -mno-thumb-interwork -mthumb
endif
else
# Pure ARM mode
CFLAGS += -mno-thumb-interwork
CPPFLAGS += -mno-thumb-interwork
ASFLAGS += -mno-thumb-interwork
LDFLAGS += -mno-thumb-interwork
endif
# Generate dependency information
#CFLAGS += -MD -MP -MF $(BUILDDIR)/.dep/$(@F).d
#CFLAGS += -MD -MP -MF .dep/$(@F).d
CPPFLAGS += -MD -MP -MF .dep/$(@F).d
# Paths where to search for sources
VPATH = $(SRCPATHS)
#
# Include user extra rules if any
#
ifneq ($(EXTRA_RULES_INCLUDE_PATH),)
include $(EXTRA_RULES_INCLUDE_PATH)
endif
#
# Makefile rules
#
all: $(OBJS) $(OUTFILES) MAKE_ALL_RULE_HOOK
MAKE_ALL_RULE_HOOK:
$(OBJS): | $(BUILDDIR)
$(BUILDDIR) $(OBJDIR) $(LSTDIR):
ifneq ($(USE_VERBOSE_COMPILE),yes)
@echo Compiler Options
@echo $(CC) -c $(CFLAGS) -I. $(IINCDIR) main.c -o main.o
@echo
endif
mkdir -p $(OBJDIR)
mkdir -p $(LSTDIR)
$(ACPPOBJS) : $(OBJDIR)/%.o : %.cpp Makefile
ifeq ($(USE_VERBOSE_COMPILE),yes)
@echo
$(CPPC) -c $(CPPFLAGS) $(AOPT) -I. $(IINCDIR) $< -o $@
else
@echo Compiling $(<F)
@$(CPPC) -c $(CPPFLAGS) $(AOPT) -I. $(IINCDIR) $< -o $@
endif
$(TCPPOBJS) : $(OBJDIR)/%.o : %.cpp Makefile
ifeq ($(USE_VERBOSE_COMPILE),yes)
@echo
$(CPPC) -c $(CPPFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
else
@echo Compiling $(<F)
@$(CPPC) -c $(CPPFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
endif
$(ACOBJS) : $(OBJDIR)/%.o : %.c Makefile
ifeq ($(USE_VERBOSE_COMPILE),yes)
@echo
$(CC) -c $(CFLAGS) $(AOPT) -I. $(IINCDIR) $< -o $@
else
@echo Compiling $(<F)
@$(CC) -c $(CFLAGS) $(AOPT) -I. $(IINCDIR) $< -o $@
endif
$(TCOBJS) : $(OBJDIR)/%.o : %.c Makefile
ifeq ($(USE_VERBOSE_COMPILE),yes)
@echo
$(CC) -c $(CFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
else
@echo Compiling $(<F)
@$(CC) -c $(CFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
endif
$(ASMOBJS) : $(OBJDIR)/%.o : %.s Makefile
ifeq ($(USE_VERBOSE_COMPILE),yes)
@echo
$(AS) -c $(ASFLAGS) -I. $(IINCDIR) $< -o $@
else
@echo Compiling $(<F)
@$(AS) -c $(ASFLAGS) -I. $(IINCDIR) $< -o $@
endif
$(ASMXOBJS) : $(OBJDIR)/%.o : %.S Makefile
ifeq ($(USE_VERBOSE_COMPILE),yes)
@echo
$(CC) -c $(ASXFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
else
@echo Compiling $(<F)
@$(CC) -c $(ASXFLAGS) $(TOPT) -I. $(IINCDIR) $< -o $@
endif
%.elf: $(OBJS) $(LDSCRIPT)
ifeq ($(USE_VERBOSE_COMPILE),yes)
@echo
$(LD) $(OBJS) $(LDFLAGS) $(LIBS) -o $@
else
@echo Linking $@
@$(LD) $(OBJS) $(LDFLAGS) $(LIBS) -o $@
endif
%.hex: %.elf $(LDSCRIPT)
ifeq ($(USE_VERBOSE_COMPILE),yes)
$(HEX) $< $@
else
@echo Creating $@
@$(HEX) $< $@
endif
%.bin: %.elf $(LDSCRIPT)
ifeq ($(USE_VERBOSE_COMPILE),yes)
$(BIN) $< $@
else
@echo Creating $@
@$(BIN) $< $@
endif
%.dmp: %.elf $(LDSCRIPT)
ifeq ($(USE_VERBOSE_COMPILE),yes)
$(OD) $(ODFLAGS) $< > $@
else
@echo Creating $@
@$(OD) $(ODFLAGS) $< > $@
@echo Done
endif
clean:
@echo Cleaning
-rm -fR .dep $(BUILDDIR)
@echo Done
#
# Include the dependency files, should be the last of the makefile
#
-include $(shell mkdir $(BUILDDIR)/.dep 2>/dev/null) $(wildcard $(BUILDDIR)/.dep/*)
# *** EOF ***
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@@ -0,0 +1,7 @@
# FATFS files.
FATFSSRC = ${CHIBIOS}/os/various/fatfs_bindings/fatfs_diskio.c \
${CHIBIOS}/os/various/fatfs_bindings/fatfs_syscall.c \
${PAPARAZZI_SRC}/sw/ext/fatfs/src/ff.c \
${PAPARAZZI_SRC}/sw/ext/fatfs/src/option/ccsbcs.c
FATFSINC = ${PAPARAZZI_SRC}/sw/ext/fatfs/src