# makefile for sdcc-based projects by azman@my1matrix.net
# - supports multiple source project
# - supports large memory model
# - for single source file in <src> folder, simply do 'make <source>.hex'
# - memory settings customized for NXP's P89V51RD2

PROJECT = gtuc51main
OBJECTS = gtuc51adc.rel gtuc51key.rel gtuc51lcd.rel gtuc51lib.rel gtuc51main.rel
TEMPOBJ = *.asm *.lst *.rel *.sym *.lnk *.map *.mem *.rst *.hex *.lk *.ihx
HEXFILE = $(PROJECT).hex
OUTFILE = $(PROJECT).ihx

DELETE = rm -rf

TOOL_PATH ?= /home/share/tool/sdcc
CC = $(TOOL_PATH)/bin/sdcc
HEX = $(TOOL_PATH)/bin/packihx

CFLAGS += -DUSE_SDCC -I$(TOOL_PATH)/share/sdcc/include
LFLAGS += --code-loc 0x0000 --iram-size 0x0100
LFLAGS += --xram-loc 0x0000 --xram-size 0x300

MMODEL = -mmcs51 --model-small
MODLIB = -L$(TOOL_PATH)/share/sdcc/lib/small

large: MMODEL = -mmcs51 --model-large
large: MODLIB = -L$(TOOL_PATH)/share/sdcc/lib/large

main: this

all: this

this: $(HEXFILE)

large: this

new: clean all

$(HEXFILE): $(OBJECTS)
	$(CC) $(MMODEL) $(CFLAGS) -o $(OUTFILE) $(OBJECTS) $(LFLAGS) $(MODLIB)
	$(HEX) $(OUTFILE) > $(HEXFILE)

%.hex: %.ihx
	$(HEX) $< > $@

%.ihx: %.rel
	$(CC) $(MMODEL) $(CFLAGS) -o $@ $^ $(LFLAGS) $(MODLIB) $(OFLAGS)

%.rel: src/%.c src/%.h
	$(CC) $(MMODEL) $(CFLAGS) -c $<

%.rel: src/%.c
	$(CC) $(MMODEL) $(CFLAGS) -c $<

clean:
	-$(DELETE) $(TEMPOBJ)