summaryrefslogtreecommitdiff
path: root/Makefile
blob: 9f42be305573e30bbfe6b8c75eeca913f7983c38 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
##
## This file is part of the libusbhost project.
## Imported and adopted from libopencm3 project.
##
## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
## Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
## Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
## Copyright (C) 2014 Amir Hammad <amir.hammad@hotmail.com>
##
## 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 3 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, see <http://www.gnu.org/licenses/>.
##

BINARY = demo
BINARY := $(addprefix build/, demo)
LIBUSBHOSTNAME = usbhost

LIBUSBHOST := $(addprefix build/lib, $(LIBUSBHOSTNAME))
LIBNAME		= opencm3_stm32f4
DEFS		= -DSTM32F4 

# load user config
include config.mk
DEFS	+= $(USER_CONFIG)

ifdef USART_DEBUG
DEFS 	+= -DUSART_DEBUG
endif

DEFS		+= -Iinclude
LDSCRIPT = lib$(LIBNAME).ld

SRCDIR = src
OPENCM3_DIR ?= ./libopencm3
FP_FLAGS	?= -mfloat-abi=hard -mfpu=fpv4-sp-d16 -mfp16-format=alternative
ARCH_FLAGS	= -mthumb -mcpu=cortex-m4 $(FP_FLAGS)

################################################################################
# OpenOCD specific variables

OOCD		?= openocd
OOCD_INTERFACE	?= stlink-v2
OOCD_BOARD	?= stm32f4discovery

################################################################################
# Black Magic Probe specific variables
# Set the BMP_PORT to a serial port and then BMP is used for flashing
BMP_PORT	?=

################################################################################
# texane/stlink specific variables
#STLINK_PORT	?= :4242

# Be silent per default, but 'make V=1' will show all compiler calls.
ifneq ($(V),1)
Q		:= @
NULL		:= 2>/dev/null
endif

###############################################################################
# Executables

PREFIX		?= arm-none-eabi

CC		:= $(PREFIX)-gcc
CXX		:= $(PREFIX)-g++
LD		:= $(PREFIX)-gcc
AR		:= $(PREFIX)-ar
AS		:= $(PREFIX)-as
OBJCOPY		:= $(PREFIX)-objcopy
OBJDUMP		:= $(PREFIX)-objdump
GDB		:= $(PREFIX)-gdb
STFLASH		= $(shell which st-flash)
STYLECHECK	:= /checkpatch.pl
STYLECHECKFLAGS	:= --no-tree -f --terse --mailback
STYLECHECKFILES	:= $(shell find . -name '*.[ch]')


###############################################################################
# Source files

LDSCRIPT	?= $(BINARY).ld


SRCS := $(sort $(notdir $(wildcard $(SRCDIR)/*.c)))
OBJSDEMO := $(patsubst %.c, build/%.o ,$(SRCS))
SRCS := $(sort $(notdir $(wildcard $(SRCDIR)/*.cpp)))
OBJSDEMO += $(patsubst %.cpp, build/%.o ,$(SRCS))
OBJS = $(filter-out $(BINARY).o, $(OBJSDEMO))

ifndef USART_DEBUG
OBJS := $(filter-out build/usart_helpers.o, $(OBJS))
OBJSDEMO := $(filter-out build/usart_helpers.o, $(OBJSDEMO))
endif


INCLUDE_DIR	= $(OPENCM3_DIR)/include 
LIB_DIR		= $(OPENCM3_DIR)/lib
SCRIPT_DIR	= $(OPENCM3_DIR)/scripts

###############################################################################
# C flags

CFLAGS		+= -Ofast -g
CFLAGS		+= -Wextra -Wshadow -Wimplicit-function-declaration
CFLAGS		+= -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes
CFLAGS		+= -fno-common -ffunction-sections -fdata-sections

###############################################################################
# C++ flags

CXXFLAGS	+= -Ofast -g
CXXFLAGS	+= -Wextra -Wshadow -Wredundant-decls  -Weffc++
CXXFLAGS	+= -fno-common -ffunction-sections -fdata-sections

###############################################################################
# C & C++ preprocessor common flags

CPPFLAGS	+= -MD
CPPFLAGS	+= -Wall -Wundef
CPPFLAGS	+= -I$(INCLUDE_DIR) $(DEFS)

###############################################################################
# Linker flags

LDFLAGS		+= --static -nostartfiles
LDFLAGS		+= -L$(LIB_DIR)
LDFLAGS		+= -T$(LDSCRIPT)
LDFLAGS		+= -Wl,-Map=build/$*.map
LDFLAGS		+= -Wl,--gc-sections
ifeq ($(V),99)
LDFLAGS		+= -Wl,--print-gc-sections
endif

###############################################################################
# Used libraries

LDLIBS		+= -l$(LIBNAME)
LDLIBS		+= -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group

###############################################################################
###############################################################################
###############################################################################

.SUFFIXES: .elf .bin .hex .srec .list .map .images
.SECONDEXPANSION:
.SECONDARY:


all: elf bin lib
	
elf: $(BINARY).elf
bin: $(BINARY).bin
hex: $(BINARY).hex
srec: $(BINARY).srec
list: $(BINARY).list
lib: $(LIBUSBHOST).a
images: $(BINARY).images
flash: $(BINARY).flash

%.images: %.bin %.hex %.srec %.list %.map
	@#printf "*** $* images generated ***\n"

%.bin: %.elf
	@printf "  OBJCOPY $(*).bin\n"
	$(Q)$(OBJCOPY) -Obinary $(*).elf $(*).bin

%.hex: %.elf
	@#printf "  OBJCOPY $(*).hex\n"
	$(Q)$(OBJCOPY) -Oihex $(*).elf $(*).hex

%.srec: %.elf
	@#printf "  OBJCOPY $(*).srec\n"
	$(Q)$(OBJCOPY) -Osrec $(*).elf $(*).srec

%.list: %.elf
	@#printf "  OBJDUMP $(*).list\n"
	$(Q)$(OBJDUMP) -S $(*).elf > $(*).list

-include $(OBJSDEMO:.o=.d)
build/%.elf build/%.map:  $(OBJSDEMO) $(LDSCRIPT)  
	@printf "  LD      $(*).elf\n"
	$(Q)$(LD) $(LDFLAGS) $(ARCH_FLAGS) $(OBJSDEMO) $(LDLIBS) -o build/$*.elf

build/%.o:$(SRCDIR)/%.c
	@printf "  CC      $(*).c\n"
	$(Q)$(CC) $(CFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -o $@ -c $(SRCDIR)/$*.c

build/%.o: $(SRCDIR)/%.cxx
	@printf "  CXX     $(*).cxx\n"
	$(Q)$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -o $@ -c $(SRCDIR)/$(*).cxx

build/%.o: $(SRCDIR)/%.cpp
	@printf "  CXX     $(*).cpp\n"
	$(Q)$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -o $@ -c $(SRCDIR)/$(*).cpp
$(LIB_DIR)/lib$(LIBNAME).a:		
	
clean:
	@#printf "  CLEAN\n"
	@rm -f build/*


%.stlink-flash: %.bin
	@printf "  FLASH  $<\n"
	$(Q)$(STFLASH) write $(*).bin 0x8000000

ifeq ($(STLINK_PORT),)
ifeq ($(BMP_PORT),)
ifeq ($(OOCD_SERIAL),)
%.flash: %.hex
	@printf "  FLASH   $<\n"
	@# IMPORTANT: Don't use "resume", only "reset" will work correctly!
	$(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
		    -f board/$(OOCD_BOARD).cfg \
		    -c "init" -c "reset init" \
		    -c "flash write_image erase $(*).hex" \
		    -c "reset" \
		    -c "shutdown" $(NULL)
else
%.flash: %.hex
	@printf "  FLASH   $<\n"
	@# IMPORTANT: Don't use "resume", only "reset" will work correctly!
	$(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
		    -f board/$(OOCD_BOARD).cfg \
		    -c "ft2232_serial $(OOCD_SERIAL)" \
		    -c "init" -c "reset init" \
		    -c "flash write_image erase $(*).hex" \
		    -c "reset" \
		    -c "shutdown" $(NULL)
endif
else
%.flash: %.elf
	@printf "  GDB   $(*).elf (flash)\n"
	$(Q)$(GDB) --batch \
		   -ex 'target extended-remote $(BMP_PORT)' \
		   -x $(SCRIPT_DIR)/black_magic_probe_flash.scr \
		   $(*).elf
endif
else
%.flash: %.elf
	@printf "  GDB   $(*).elf (flash)\n"
	$(Q)$(GDB) --batch \
		   -ex 'target extended-remote $(STLINK_PORT)' \
		   -x $(SCRIPT_DIR)/stlink_flash.scr \
		   $(*).elf
endif

.PHONY: images clean stylecheck styleclean elf bin hex srec list testing

-include $(OBJS:.o=.d)
build/lib$(LIBUSBHOSTNAME).a:	$(OBJS)
	@printf "  LIB 	$@\n"
	$(Q)$(AR) rcs $@  $(OBJS)