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# vim:ft=make
TOOLCHAIN_BASE = /home/derf/var/projects/esp8266/toolchain/xtensa-lx106-elf/bin
SDK_BASE = /home/derf/var/projects/esp8266/toolchain/xtensa-lx106-elf/xtensa-lx106-elf/sysroot/usr
ESPTOOL = esptool
PORT = /dev/ttyUSB0
CC = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-gcc
CXX = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-g++
AR = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-ar
LD = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-gcc
OBJCOPY = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-objcopy
INCLUDES += -Iinclude/esp8266 -I${SDK_BASE}/include
COMMON_FLAGS += -nostdlib -mlongcalls -D__ets__ -DICACHE_FLASH
CXXFLAGS = -std=c++11
LDFLAGS += -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static
TARGETS += src/arch/esp8266/arch.cc src/arch/esp8266/driver/gpio.cc
TARGETS += src/arch/esp8266/driver/stdout.cc src/arch/esp8266/driver/uptime.cc
OBJECTS = ${TARGETS:.cc=.o}
ifeq (${esp8266_led2}, 1)
COMMON_FLAGS += -DLED_ON_GPIO16
endif
.cc.o:
${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} -c -o $@ ${@:.o=.cc}
${OBJCOPY} --rename-section .text=.irom0.text --rename-section .literal=.irom0.literal $@
build/system.ar: ${OBJECTS}
${AR} cru $@ ${OBJECTS}
build/system.elf: build/system.ar
${CC} -L${SDK_BASE}/lib -T${SDK_BASE}/lib/eagle.app.v6-derf.ld ${LDFLAGS} \
-Wl,--start-group -lc -lgcc -lhal -lpp -lphy -lnet80211 -llwip -lwpa \
-lmain $< -Wl,--end-group -o $@
build/0x00000.bin: build/system.elf
${ESPTOOL} --chip esp8266 elf2image -o build/ $<
build/0x40000.bin: build/0x00000.bin
# also created by commandline for 0x00000.bin
program: build/0x00000.bin build/0x40000.bin
${ESPTOOL} write_flash 0x00000 build/0x00000.bin 0x40000 build/0x40000.bin
arch_clean:
rm -f ${OBJECTS}
rm -f build/system.ar
monitor:
screen /dev/ttyUSB0 115200
.PHONY: arch_clean monitor program
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