From b113916a5df90673bbe56fe7a0fd09ea3516d124 Mon Sep 17 00:00:00 2001
From: Aditya Naik
Date: Tue, 9 Jun 2020 13:47:28 -0400
Subject: Added ports dir

---
 makefile | 84 ++++++++++------------------------------------------------------
 1 file changed, 13 insertions(+), 71 deletions(-)

(limited to 'makefile')

diff --git a/makefile b/makefile
index 43f5d4d..b53a7a5 100644
--- a/makefile
+++ b/makefile
@@ -1,18 +1,4 @@
-##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.5.2] date: [Mon Mar 23 16:58:19 EDT 2020] 
-##########################################################################################################################
-
-# ------------------------------------------------
-# Generic Makefile (based on gcc)
-#
-# ChangeLog :
-#	2017-02-10 - Several enhancements + project update mode
-#   2015-07-22 - first version
-# ------------------------------------------------
-
-######################################
-# target
-######################################
+# Target also determines which file is being compiled
 TARGET = master
 
 
@@ -34,40 +20,16 @@ BUILD_DIR = build
 ######################################
 # source
 ######################################
-# C sources
+# C sources for all ports
 C_SOURCES =  \
-src/master.c \
-src/stm32f4xx_it.c \
-src/stm32f4xx_hal_msp.c \
-src/system_stm32f4xx.c \
 lib/nanopb/pb_decode.c \
 lib/nanopb/pb_encode.c \
 lib/nanopb/pb_common.c \
 src/handshake.pb.c \
 src/data.pb.c \
-lib/f4/stm32f4xx_hal_i2c.c \
-lib/f4/stm32f4xx_hal_i2c_ex.c \
-lib/f4/stm32f4xx_hal_rcc.c \
-lib/f4/stm32f4xx_hal_rcc_ex.c \
-lib/f4/stm32f4xx_hal_flash.c \
-lib/f4/stm32f4xx_hal_flash_ex.c \
-lib/f4/stm32f4xx_hal_flash_ramfunc.c \
-lib/f4/stm32f4xx_hal_gpio.c \
-lib/f4/stm32f4xx_hal_dma_ex.c \
-lib/f4/stm32f4xx_hal_dma.c \
-lib/f4/stm32f4xx_hal_pwr.c \
-lib/f4/stm32f4xx_hal_pwr_ex.c \
-lib/f4/stm32f4xx_hal_cortex.c \
-lib/f4/stm32f4xx_hal.c \
-lib/f4/stm32f4xx_hal_exti.c \
-lib/f4/stm32f4xx_hal_tim.c \
-lib/f4/stm32f4xx_hal_tim_ex.c \
-lib/f4/stm32f4xx_hal_uart.c
-
-# ASM sources
-ASM_SOURCES =  \
-startup_stm32f401xc.s
 
+# set the main C source based on whether we're compiling the master or slave
+C_SOURCES+=$(addprefix src/, $(TARGET).c)
 
 #######################################
 # binaries
@@ -88,47 +50,29 @@ SZ = $(PREFIX)size
 endif
 HEX = $(CP) -O ihex
 BIN = $(CP) -O binary -S
- 
+
 #######################################
 # CFLAGS
 #######################################
-# cpu
-CPU = -mcpu=cortex-m4
-
-# fpu
-FPU = -mfpu=fpv4-sp-d16
-
-# float-abi
-FLOAT-ABI = -mfloat-abi=hard
-
-# mcu
-MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)
-
 # macros for gcc
 # AS defines
 AS_DEFS = 
 
-# C defines
-C_DEFS =  \
--DUSE_HAL_DRIVER \
--DSTM32F401xC
-
-
 # AS includes
 AS_INCLUDES = 
 
-# C includes
+# General C includes for all ports. Since CMSIS is being included, that means this is restricted to ARM ports
 C_INCLUDES =  \
 -Isrc \
--Ilib/f4 \
--Ilib/f4/Legacy \
 -Ilib/cmsis \
--Ilib/cmsis/f4 \
 -Ilib/nanopb
 
 
-
-
+# Define the chip we're building for and include its makefile
+PORT     = stm32f4
+PORT_DIR = ports/$(PORT)
+include $(PORT_DIR)/makefile
+ASM_SOURCES=$(PORT_DIR)/$(ASM_FILE)
 
 # compile gcc flags
 ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
@@ -139,21 +83,19 @@ ifeq ($(DEBUG), 1)
 CFLAGS += -g -gdwarf-2
 endif
 
-
 # Generate dependency information
 CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
 
-
 #######################################
 # LDFLAGS
 #######################################
 # link script
-LDSCRIPT = STM32F401CCUx_FLASH.ld
+# LDSCRIPT = STM32F401CCUx_FLASH.ld
 
 # libraries
 LIBS = -lc -lm -lnosys 
 LIBDIR = 
-LDFLAGS = $(MCU) -specs=nosys.specs -specs=nano.specs -u _printf_float -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
+LDFLAGS = $(MCU) -specs=nosys.specs -specs=nano.specs -u _printf_float -T$(PORT_DIR)/$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
 
 # default action: build all
 all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
-- 
cgit v1.2.3