Add a Makefile for the AT_Slave project.

This also adds a softlink for the linker script, as make uses
uppercase-s for assembly files.

Makefile

@@ -0,0 +1,186 @@
+#
+# Copyright 2018 Fabio Baltieri ([email protected])
+#
+# Based on the original ben-wpan code written by:
+#   Werner Almesberger, Copyright 2010-2011
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+
+NAME = main
+
+CROSS_COMPILE = arm-none-eabi-
+CC = $(CROSS_COMPILE)gcc
+OBJCOPY = $(CROSS_COMPILE)objcopy
+SIZE = $(CROSS_COMPILE)size
+
+FLASH = st-flash
+FLASHFLAGS = --reset --format ihex
+BOOTLOADER = dfu-util
+BOOTLOADER_FLAGS = -a 0 -s 0x08000000:leave
+
+LINKER_SCRIPT = Projects/Multi/Applications/LoRa/AT_Slave/SW4STM32/B-L072Z-LRWAN1/mlm32l07x01/STM32L072CZYx_FLASH.ld
+
+CFLAGS  = -g -Os -Wall -Wextra -Wno-unused-parameter \
+	  -mcpu=cortex-m0plus -mthumb \
+	  -std=c99 -ffunction-sections -fdata-sections -march=armv6-m -mthumb -mabi=aapcs -mfloat-abi=soft
+LDFLAGS = \
+	  -Wl,--gc-sections,--no-undefined \
+	  -T$(LINKER_SCRIPT) --specs=nosys.specs \
+	  -lm -lc -lgcc
+
+DEFINES = \
+	  -DSTM32L072xx \
+	  -DUSE_B_L072Z_LRWAN1 \
+	  -DUSE_FULL_LL_DRIVER \
+	  -DREGION_EU868 \
+	  -DREGION_AS923 \
+	  -DREGION_AU915 \
+	  -DREGION_CN470 \
+	  -DREGION_CN779 \
+	  -DREGION_EU433 \
+	  -DREGION_IN865 \
+	  -DREGION_KR920 \
+	  -DREGION_US915 \
+	  -DREGION_US915_HYBRID
+
+INCLUDES = \
+	   -IProjects/Multi/Applications/LoRa/AT_Slave/inc \
+	   -IDrivers/BSP/MLM32L07X01 \
+	   -IDrivers/STM32L0xx_HAL_Driver/Inc \
+	   -IDrivers/CMSIS/Device/ST/STM32L0xx/Include \
+	   -IDrivers/CMSIS/Include \
+	   -IMiddlewares/Third_Party/Lora/Crypto \
+	   -IMiddlewares/Third_Party/Lora/Mac \
+	   -IMiddlewares/Third_Party/Lora/Phy \
+	   -IMiddlewares/Third_Party/Lora/Utilities \
+	   -IMiddlewares/Third_Party/Lora/Core \
+	   -IDrivers/BSP/Components/Common \
+	   -IDrivers/BSP/Components/sx1276 \
+	   -IDrivers/BSP/B-L072Z-LRWAN1
+
+OBJS = \
+       Drivers/CMSIS/Device/ST/STM32L0xx/Source/Templates/system_stm32l0xx.o \
+       Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_ll_adc.o \
+       Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_ll_gpio.o \
+       Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_ll_lpuart.o \
+       Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_ll_rcc.o \
+       Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_ll_rtc.o \
+       Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_ll_spi.o \
+       Drivers/BSP/Components/sx1276/sx1276.o \
+       Drivers/BSP/MLM32L07X01/mlm32l07x01.o \
+       Middlewares/Third_Party/Lora/Crypto/aes.o \
+       Middlewares/Third_Party/Lora/Crypto/cmac.o \
+       Middlewares/Third_Party/Lora/Mac/LoRaMac.o \
+       Middlewares/Third_Party/Lora/Mac/LoRaMacCrypto.o \
+       Middlewares/Third_Party/Lora/Mac/region/Region.o \
+       Middlewares/Third_Party/Lora/Mac/region/RegionAS923.o \
+       Middlewares/Third_Party/Lora/Mac/region/RegionAU915.o \
+       Middlewares/Third_Party/Lora/Mac/region/RegionCN470.o \
+       Middlewares/Third_Party/Lora/Mac/region/RegionCN779.o \
+       Middlewares/Third_Party/Lora/Mac/region/RegionCommon.o \
+       Middlewares/Third_Party/Lora/Mac/region/RegionEU433.o \
+       Middlewares/Third_Party/Lora/Mac/region/RegionEU868.o \
+       Middlewares/Third_Party/Lora/Mac/region/RegionIN865.o \
+       Middlewares/Third_Party/Lora/Mac/region/RegionKR920.o \
+       Middlewares/Third_Party/Lora/Mac/region/RegionUS915-Hybrid.o \
+       Middlewares/Third_Party/Lora/Mac/region/RegionUS915.o \
+       Middlewares/Third_Party/Lora/Utilities/delay.o \
+       Middlewares/Third_Party/Lora/Utilities/low_power.o \
+       Middlewares/Third_Party/Lora/Utilities/timeServer.o \
+       Middlewares/Third_Party/Lora/Utilities/utilities.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/at.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/command.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/debug.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/hw_gpio.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/hw_rtc.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/hw_spi.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/lora.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/main.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/mlm32l0xx_hw.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/mlm32l0xx_it.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/test_rf.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/tiny_sscanf.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/tiny_vsnprintf.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/src/vcom.o \
+       Projects/Multi/Applications/LoRa/AT_Slave/SW4STM32/B-L072Z-LRWAN1/startup_stm32l072xx.o
+
+
+# ----- Verbosity control -----------------------------------------------------
+
+CC_normal	:= $(CC)
+BUILD_normal	:=
+DEPEND_normal	:= $(CC) -MM -MG
+
+CC_quiet	= @echo "  CC       " $@ && $(CC_normal)
+BUILD_quiet	= @echo "  BUILD    " $@ && $(BUILD_normal)
+DEPEND_quiet	= @$(DEPEND_normal)
+
+ifeq ($(V),1)
+    CC		= $(CC_normal)
+    BUILD	= $(BUILD_normal)
+    DEPEND	= $(DEPEND_normal)
+else
+    CC		= $(CC_quiet)
+    BUILD	= $(BUILD_quiet)
+    DEPEND	= $(DEPEND_quiet)
+endif
+
+# ----- Rules -----------------------------------------------------------------
+
+.PHONY:		all clean
+
+all:		$(NAME)_text.bin $(NAME)_text.hex
+
+$(NAME).elf: $(OBJS)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJS)
+	$(SIZE) $@
+
+%_text.bin: %.elf
+	$(BUILD) $(OBJCOPY) -j .text -j .data -O binary $< $@
+
+%_text.hex: %.elf
+	$(BUILD) $(OBJCOPY) -j .text -j .data -O ihex $< $@
+
+# ----- Cleanup ---------------------------------------------------------------
+
+clean:
+		rm -f $(NAME).bin $(NAME).elf $(NAME).hex
+		rm -f $(NAME)_text.{bin,hex}
+		rm -f $(OBJS) $(OBJS:.o=.d)
+		rm -f *~
+
+# ----- Dependencies ----------------------------------------------------------
+
+MKDEP =									\
+	$(DEPEND) $(CFLAGS) $(DEFINES) $(INCLUDES) $< |							\
+	  sed 								\
+	    -e 's|^$(basename $(notdir $<)).o:|$@:|'			\
+	    -e '/^\(.*:\)\? */{p;s///;s/ *\\\?$$/ /;s/  */:\n/g;H;}'	\
+	    -e '$${g;p;}'						\
+	    -e d >$(basename $@).d;					\
+	  [ "$${PIPESTATUS[*]}" = "0 0" ] ||				\
+	  { rm -f $(basename $@).d; exit 1; }
+
+%.o: %.c
+	$(CC) $(CFLAGS) $(DEFINES) $(INCLUDES) -c $< -o $@
+	$(MKDEP)
+
+%.o: %.S
+	$(CC) $(CFLAGS) $(DEFINES) $(INCLUDES) -D__ASSEMBLY__ -c $< -o $@
+	$(MKDEP)
+
+-include $(OBJS:.o=.d)
+
+# ----- Programming and device control ----------------------------------------
+
+.PHONY: load boot
+
+load: $(NAME)_text.hex
+	$(FLASH) $(FLASHFLAGS) write $(NAME)_text.hex
+
+boot: $(NAME)_text.bin
+	$(BOOTLOADER) $(BOOTLOADER_FLAGS) -D $(NAME)_text.bin

Projects/Multi/Applications/LoRa/AT_Slave/SW4STM32/B-L072Z-LRWAN1/startup_stm32l072xx.S

@@ -0,0 +1 @@
+startup_stm32l072xx.s