#! gmake

#
# Copyright (C) 2006 OREMEQ
# 
# This file is part of canfestival, a library implementing the canopen
# stack
# 
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# 
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
# 

CC = SUB_CC
OPT_CFLAGS = SUB_OPT_CFLAGS
CFLAGS = 
PROG_CFLAGS = SUB_PROG_CFLAGS
LIBS = -lm
SHAREDLIBOPT = -shared
OS_NAME = SUB_OS_NAME
ARCH_NAME = SUB_ARCH_NAME
PREFIX = SUB_PREFIX
TARGET = SUB_TARGET
INCLUDES = -I../../include -I../../examples/ecos_lpc2138_sja1000/include

ECOS_GLOBAL_CFLAGS=-mcpu=arm7tdmi -Wall -Wpointer-arith -Wstrict-prototypes -Winline -Wundef -Os -ffunction-sections -fdata-sections -fno-exceptions -finline-functions
ECOS_GLOBAL_LDFLAGS=-mcpu=arm7tdmi -Wl,--gc-sections -Wl,-static -nostdlib

export CAN_CONTROLER_CLOCK_SPEED := 24.000   # Crystal frequency of the SJA1000 clock input.
export CAN_CONTROLER_PHASE_SHIFT_TOLERANCE := 3  #Synchronization Jump Width (SJW) (in SJA1000==> 0..3)
                                                          #To compensate for phase shifts between
                                                          #clock oscillators of different bus
                                                          # controllers, any bus controller must
                                                          #re-synchronize on any relevant signal
                                                          #edge of the current transmission.


OBJS = canOpenDriver.o lpc2138.o sja1000.o time_slicer.o
INCLUDE_H = applicfg.h baudrate_table.h canOpenDriver.h lpc2138.h lpc2138_defs.h \
lpc2138_pinout.h sja1000.h time_slicer.h

all: driver

driver: build_baudrate $(OBJS)

build_baudrate:
	gcc -o build_baudrate build_baudrate.c
	@echo "Generate The baudrate register structure in canControler.h regarding the"
	@echo "SJA1000 clock speed defined in the Makefile, CAN_CONTROLER_CLOCK_SPEED"
	./build_baudrate $(CAN_CONTROLER_CLOCK_SPEED) $(CAN_CONTROLER_PHASE_SHIFT_TOLERANCE)


libcandriver.a: $(OBJS)
	@echo " "
	@echo "*********************************************"
	@echo "**Building [libcandriver]"
	@echo "*********************************************"
	$(BINUTILS_PREFIX)ar rc $@ $(OBJS)
	$(BINUTILS_PREFIX)ranlib $@

%o: %c
	@echo " "
	@echo "*********************************************"
	@echo "**Compiling $< -> $@"
	@echo "*********************************************"
	$(CC) -g -c $(ECOS_GLOBAL_CFLAGS) $(INCLUDES) -I. -c -o $@ $<

%o: %s
	@echo " "
	@echo "*********************************************"
	@echo "**Compiling $< -> $@"
	@echo "*********************************************"
	$(CC)  -c -x assembler-with-cpp $(ECOS_GLOBAL_CFLAGS) $(INCLUDES) -I. -o $@ $<

install:
	mkdir -p $(PREFIX)/lib
	ln -s ../../../drivers/ecos_lpc2138_sja1000 $(PREFIX)/lib/driver

uninstall:
	rm -f ../../examples/ecos_lpc2138_sja1000/lib/driver

clean:
	-\rm -f $(OBJS) build_baudrate baudrate_table.h 

mrproper: clean
	-\rm ../../lib/ecos_lpc2138_sja1000/libcandriver.a