Ideal development environment for PIC - personal experience

#ifndef ECLIPSE_SYNTAX_H_ #define ECLIPSE_SYNTAX_H_ // keyword SDCC defined when compiling with SDCC compiler #ifndef SDCC #ifdef __SDCC_PIC18F4680 #error "SDCC not found, project compile will be with errors!" #endif // file not parsed through makefile - just for proper eclipse syntax #ifndef __CC18__ #error "__CC18__ not found, use `-D__CC18__` in makefile for proper CC18 compilation!" #define near #define far #define rom #define ram #define _asm #define _endasm #define Nop() #define ClrWdt() #define Sleep() #define Reset() #define clrwdt #define nop #define __code #define __data #define __xdata #define __sfr #define __sbit #define __naked #define __wparam #define __bit char #define __at(num) #else // __CC18__ defined - compile stage! #endif // __CC18__ #define __inline #define __asm #define __endasm #define __interrupt(x) #define INTERRUPT(x) #define USING(x) #define CRITICAL #define CRITICAL_START #define CRITICAL_END #define _REENTRANT #else // if SDCC defined #define INTERRUPT(x) __shadowregs __interrupt (x) //#define USING(x) __using (x) #define USING(x) #define CRITICAL __critical #define CRITICAL_START __critical { #define CRITICAL_END } #endif // SDCC defined #endif /* ECLIPSE_SYNTAX_H_ */ 

 ########################################################### # project-specific compile options ########################################################### # Project definitions CHIP = 18F4680 DEFINES := -DPIC$(CHIP) #DEFINES += -D__SDCC_PIC$(CHIP) # use SDCC compiler DEFINES += -D__CC18__ # use MPLAB CC18 compiler #DEFINES += -DOPTIMIZE_BITFIELD_POINTER_GET # SDCC memory optimize for bitfield structures ########################################################### # common part for all sdcc-based projects ########################################################### SDCC_BASE = c:/DevTools/SDCC CC = "$(SDCC_BASE)/bin/sdcc.exe" LD = "$(SDCC_BASE)/bin/sdcc.exe" ELF2HEX = "$(SDCC_BASE)/bin/packihx.exe" HEX2BIN = "$(SDCC_BASE)/bin/makebin.exe" ########################################################### # common part for all MPLAB MCC18-based projects ########################################################### MPLAB_BASE = c:/DevTools/CC18 CC_MPLAB = "$(MPLAB_BASE)/bin/mcc18.exe" AS_MPLAB = $(MPLAB_BASE)/mpasm/mpasmwin.exe LD_MPLAB = $(MPLAB_BASE)/bin/mplink.exe ########################################################### # GPUtils used with SDCC for linking project ########################################################### GPUTILS_BASE = c:/DevTools/GNUPICutils GPASM = "$(GPUTILS_BASE)/bin/gpasm.exe" GPDASM = "$(GPUTILS_BASE)/bin/gpdasm.exe" GPLINK = "$(GPUTILS_BASE)/bin/gplink.exe" ########################################################### # C preprocessor flags for MPLAB MCC18 compiler ########################################################### #optimization parameters (default = full optimization) OPT_ENABLE_ALL := -O+ # Enable all optimizations (default) OPT_DEBUG :=-Ou- -Ot- -Ob- -Op- -Or- -Od- -Opa- OPT :=$(OPT_ENABLE_ALL) #OPT :=$(OPT_DEBUG) CFLAGS_MPLAB := -p $(CHIP) CFLAGS_MPLAB += -I $(MPLAB_INC_DIR) CFLAGS_MPLAB += -nw=2066 # suppress Warning [2066] type qualifier mismatch in assignment CFLAGS_MPLAB += -ml # Large memory model CFLAGS_MPLAB += -ls # large stack (can span multiple banks) #CFLAGS_MPLAB += -scs # Enable default static locals #CFLAGS_MPLAB += -sco # Enable default overlay locals (statically allocate activation records). Ignored if set --extended CFLAGS_MPLAB += --extended # generate extended mode code COMPILE_MPLAB_STRING=$(CC_MPLAB) $(CFLAGS_MPLAB) $< -fo=$@ $(DEFINES) $(OPT) AFLAGS_MPLAB := /y AFLAGS_MPLAB += /rDEC # set default radix HEX/DEC/OCT AFLAGS_MPLAB += /l- # disable listing file #AFLAGS_MPLAB += /l$(OBJDIR_MPLAB) # enable listing file AFLAGS_MPLAB += /o # specify path for object files #AFLAGS_MPLAB += /o$(OBJDIR_MPLAB) # specify path for object files #AFLAGS_MPLAB += /q # enable quiet mode AFLAGS_MPLAB += /d__LARGE__ # define symbol AFLAGS_MPLAB += /p$(CHIP) # set processor type #ASSEMBLE_MPLAB_STRING=$(AS_MPLAB) $(AFLAGS_MPLAB) %< # used linker script LDFLAGS_MPLAB := $(CHIP)_g.lkr # objects to compile LDFLAGS_MPLAB += $(OBJS_MPLAB) LDFLAGS_MPLAB += $(MPLAB_LIBS) # specify chip for proper linking LDFLAGS_MPLAB += /p$(CHIP) # verbose mode operation #LDFLAGS_MPLAB += /v # generate report file for stack analysis LDFLAGS_MPLAB += /g # generate .LST file and no .COD file LDFLAGS_MPLAB += /i # do not invoke MP2COD (no .COD or .LST file) LDFLAGS_MPLAB += /w # link MPLAB libs LDFLAGS_MPLAB += /l $(MPLAB_LIB_DIR) # generate MAP file LDFLAGS_MPLAB += /m $(EXEDIR)/$(PROJECT_NAME)_mplab.map # set output file LDFLAGS_MPLAB += /o $(EXEDIR)/$(PROJECT_NAME)_mplab.hex ########################################################### # C preprocessor flags for SDCC v.3.3.0 compiler ########################################################### # ----- processor selection ----- CFLAGS := -m$(ARCH) CFLAGS += -p$(CHIP) # ----- preprocessor options ----- CFLAGS += $(INCS) CFLAGS += $(DEFINES) # ----- verbose & dependancy generate ----- # CFLAGS += -M # generate dependencies # CFLAGS += -E # # CFLAGS += -C # dont discard comments CFLAGS += -c # dont link file (ie have multiple source files) CFLAGS += $(DEBUG) # ----- common settings ----- #CFLAGS += --nostdinc # This will prevent the compiler from passing on the # default include path to the preprocessor. #CFLAGS += --nostdlib # This will prevent the compiler from passing on the # default library path to the linker. #CFLAGS += --less-pedantic # Disable some of the more pedantic warnings. CFLAGS += --stack-auto # All functions in the source file will be compiled as reentrant. # It automatically implies --int-long-reent and --float-reent. CFLAGS += --int-long-reent # Integer (16 bit) and long (32 bit) libraries have been compiled as reentrant. CFLAGS += --float-reent # Floating point library is compiled as reentrant. #CFLAGS += --no-peep #CFLAGS += --funsigned-char # The default signedness for every type will be unsigned. #CFLAGS += --cyclomatic # This option will cause the compiler to generate an information # message for each function in the source file. The message contains # the number of edges and nodes the compiler detected in the # control flow graph of the function, and most importantly # the cyclomatic complexity. # ----- optimization options ----- #CFLAGS += --nogcse # Will not do global subexpression elimination, this option may be used # when the compiler creates undesirably large stack/data spaces to store # compiler temporaries. #CFLAGS += --noinvariant # Will not do loop invariant optimizations. #CFLAGS += --noinduction # Will not do loop induction optimizations. #CFLAGS += --nojtbound # Will not generate boundary condition check when switch statements # are implemented using jumptables. #CFLAGS += --noloopreverse # Will not do loop reversal optimization. #CFLAGS += --nolabelopt # Will not optimize labels (makes the dumpfiles more readable). CFLAGS += --nooverlay # The compiler will not overlay parameters and local variables of any function. CFLAGS += --peep-asm # Pass the inline assembler code through the peep hole optimizer. #CFLAGS += --opt-code-speed # Optimize for code speed rather than size #CFLAGS += --opt-code-size # Optimize for code size rather than speed CFLAGS += --fomit-frame-pointer # Frame pointer will be omitted when the function uses # no local variables. CFLAGS += --use-non-free # Search / include non-free licensed libraries and header files # ----- special options for pic16 port of SDCC ----- CFLAGS += --pstack-model=large # use stack model 'small' (default) or 'large' # don't use extended instruction set - SDCCman, $4.6.20.1 Known Bugs #CFLAGS += -y --extended # enable Extended Instruction Set/Literal Offset Addressing mode #CFLAGS += --pno-banksel # do not generate BANKSEL assembler directives CFLAGS += --obanksel=2 # set banksel optimization level (default=0 no) CFLAGS += --denable-peeps # explicit enable of peepholes CFLAGS += --no-optimize-goto # do NOT use (conditional) BRA instead of GOTO CFLAGS += --optimize-cmp # try to optimize some compares CFLAGS += --optimize-df # thoroughly analyze data flow (memory and time intensive!) #CFLAGS += --preplace-udata-with=udata_shr # Place udata variables at another section: udata_acs, udata_ovr, udata_shr #CFLAGS += --ivt-loc= # Set address of interrupt vector table. #CFLAGS += --nodefaultlibs # do not link default libraries when linking #CFLAGS += --use-crt= # use <crt-o> run-time initialization module #CFLAGS += --no-crt # do not link any default run-time initialization module #CFLAGS += --mplab-comp # enable compatibility mode for MPLAB utilities (MPASM/MPLINK) #CFLAGS += --asm= # Use alternative assembler #CFLAGS += --link= # Use alternative linker CFLAGS += --debug-xtra # show more debug info in assembly output CFLAGS += --debug-ralloc # dump register allocator debug file *.d CFLAGS += --pcode-verbose # dump pcode related info CFLAGS += --calltree # dump call tree in .calltree file #CFLAGS += --gstack # trace stack pointer push/pop to overflow ########################################################### # linker flags ########################################################### #gputils (GNU PIC Utils) used to link objects and libs. GPLINK_FLAGS = -c -m -w -r -I $(LIBDIR) -s $(GPUTILS_BASE)/lkr/$(CHIP)_g.lkr #SDCC linker not used #LDFLAGS := -m$(ARCH) #LDFLAGS += $(DEBUG) #LDFLAGS += --profile #LDFLAGS += --code-size $(FLASH_SIZE) # Code Segment size #LDFLAGS += --code-loc $(FLASH_LOC) # The start location of the code location, default value is 0 #LDFLAGS += --iram-size $(IRAM_SIZE) # Internal Ram size #LDFLAGS += --xram-loc $(XRAM_LOC) # The start location of the external ram, default value is 0 #LDFLAGS += --xram-size $(XRAM_SIZE) # External Ram size #LDFLAGS += --stack-loc $(STACK_LOC) # By default the stack is placed after the data segment. # Using this option the stack can be placed anywhere in the # internal memory space of the 8051. ############################################################################## # MPLAB CC18 compiler - linker $(HEX_MPLAB): $(OBJS_MPLAB) Makefile @echo "--- CC18 Linking objects to $(HEX_MPLAB) ..." @$(LD_MPLAB) $(LDFLAGS_MPLAB) ############################################################################## # SDCC compiler - linker $(HEX): $(OBJS) Makefile @echo "--- SDCC Linking objects to $(HEX) ..." $(GPLINK) $(GPLINK_FLAGS) -o $(HEX) $(OBJS) $(LIBS) $(GPDASM) -p$(CHIP) $(HEX) > $(DASM)