CC3200 build cleanup; commonized fw_meta targets

Some yak shaving along the way

PUBLISHED_FROM=09c7cfbd98dcec961970dfad3f38e67912a5b06c

examples/CC3200/Makefile.build

 # -*- mode: makefile -*-
 # This file is executed inside Docker build container.
-# It can be used without container too if SDK_PATH and V7_PATH are configured.
+# It can be used without container too if SDK_PATH is configured.
 
 PLATFORM = CC3200
 SDK_PATH ?= /cc3200-sdk
@@ -10,36 +10,18 @@ BUILD_DIR ?= ./build
 FW_DIR ?= ./out
 SLFS_PATH ?= ./slfs
 
-BINDIR = ${FW_DIR}
-OBJDIR = ${BUILD_DIR}
+BINDIR = $(FW_DIR)
+OBJDIR = $(BUILD_DIR)
 
-include ${SDK_PATH}/tools/gcc_scripts/makedefs
+include $(SDK_PATH)/tools/gcc_scripts/makedefs
 
 .PHONY: all clean flash
 
 PROG = cc3200_example
 
-IPATH = . ../.. \
-        $(REPO_PATH) \
-        ${SDK_PATH} \
-        ${SDK_PATH}/inc \
-        ${SDK_PATH}/driverlib \
-        ${SDK_PATH}/oslib \
-        ${SDK_PATH}/simplelink \
-        ${SDK_PATH}/simplelink/include \
-        ${SDK_PATH}/third_party/FreeRTOS/source \
-        ${SDK_PATH}/third_party/FreeRTOS/source/include \
-        ${SDK_PATH}/third_party/FreeRTOS/source/portable/GCC/ARM_CM4
-
-VPATH = ../.. ${SDK_PATH}/driverlib \
-        ${SDK_PATH}/example/common \
-        ${SDK_PATH}/oslib \
-        ${SDK_PATH}/simplelink \
-        ${SDK_PATH}/simplelink/source \
-        ${SDK_PATH}/third_party/FreeRTOS/source \
-        ${SDK_PATH}/third_party/FreeRTOS/source/portable/GCC/ARM_CM4 \
-        ${SDK_PATH}/third_party/FreeRTOS/source/portable/MemMang \
-        ${COMMON_PATH}/platforms/cc3200 \
+IPATH = . ../.. $(REPO_PATH)
+
+VPATH = ../..
 
 MONGOOSE_FEATURES = \
   -DMG_CC3200 \
@@ -60,38 +42,36 @@ MONGOOSE_FEATURES = \
 
 SDK_FLAGS = -DTARGET_IS_CC3200 -DUSE_FREERTOS -DSL_PLATFORM_MULTI_THREADED
 
-DISABLED_SDK_WARNINGS = -Wno-missing-braces -Wno-strict-aliasing -Wno-parentheses -Wno-unused-variable
-
 CFLAGS += -Os -Wall -Werror \
           $(SDK_FLAGS) -DCS_PLATFORM=4 -DCC3200_FS_SLFS \
-          ${MONGOOSE_FEATURES} ${CFLAGS_EXTRA}
+          $(MONGOOSE_FEATURES) $(CFLAGS_EXTRA)
 
-FW_ELF = ${FW_DIR}/${PROG}.axf
-FW_BIN = ${FW_DIR}/${PROG}.bin
-FW_MANIFEST = ${FW_DIR}/manifest.json
-FW_ZIP = ${FW_DIR}/firmware.zip
-BUILD_INFO_JSON = ${OBJDIR}/build_info.json
+FW_ELF = $(FW_DIR)/$(PROG).axf
+FW_BIN = $(FW_DIR)/$(PROG).bin
+FW_MANIFEST = $(FW_DIR)/manifest.json
+FW_ZIP = $(FW_DIR)/firmware.zip
+BUILD_INFO_JSON = $(OBJDIR)/build_info.json
 SLFS_FILES = $(wildcard $(SLFS_PATH)/*)
 
 .PHONY: all clean flash
 
-all: ${OBJDIR} ${SYS_CONFIG_C} ${FW_DIR} ${FW_ZIP}
+all: $(OBJDIR) $(FW_DIR) $(FW_ZIP)
 
 clean:
-	@rm -rf ${OBJDIR} ${wildcard *~}
-	@rm -rf ${FW_DIR} ${wildcard *~}
+	@rm -rf $(OBJDIR) $(wildcard *~)
+	@rm -rf $(FW_DIR) $(wildcard *~)
 
-${OBJDIR}:
+$(OBJDIR):
 	@echo "  MKDIR $@"
-	@mkdir -p ${OBJDIR} ${FS_BUILD_DIR}
+	@mkdir -p $(OBJDIR) $(FS_BUILD_DIR)
 
-${FW_DIR}:
+$(FW_DIR):
 	@echo "  MKDIR $@"
-	@mkdir -p ${FW_DIR}
+	@mkdir -p $(FW_DIR)
 
-${FW_ZIP}: ${FW_ELF} ${FW_BIN} ${SLFS_FILES}
-	@echo "    Code size: $(shell ls -l ${FW_BIN} | awk '{print $$5}')"
-	@echo "  GEN   ${FW_MANIFEST}"
+$(FW_ZIP): $(FW_ELF) $(FW_BIN) $(SLFS_FILES)
+	@echo "    Code size: $(shell ls -l $(FW_BIN) | awk '{print $$5}')"
+	@echo "  GEN   $(FW_MANIFEST)"
 	@$(COMMON_PATH)/tools/fw_meta.py gen_build_info \
 	  --json_output=$(BUILD_INFO_JSON)
 	@cp -v $(SLFS_FILES) out/
@@ -108,25 +88,33 @@ ${FW_ZIP}: ${FW_ELF} ${FW_BIN} ${SLFS_FILES}
 	  --src_dir=$(FW_DIR) \
 	  --output=$@
 
-APP_OBJS = $(OBJDIR)/main.o \
-           ${OBJDIR}/cc3200_fs.o ${OBJDIR}/cc3200_fs_slfs.o ${OBJDIR}/cc3200_libc.o \
-           ${OBJDIR}/cc3200_socket.o \
-           ${OBJDIR}/mongoose.o \
-           ${OBJDIR}/startup_gcc.o \
-           ${OBJDIR}/timers.o ${OBJDIR}/list.o ${OBJDIR}/queue.o ${OBJDIR}/tasks.o ${OBJDIR}/port.o ${OBJDIR}/heap_3.o ${OBJDIR}/osi_freertos.o \
-           ${OBJDIR}/socket.o ${OBJDIR}/wlan.o ${OBJDIR}/driver.o ${OBJDIR}/device.o ${OBJDIR}/netapp.o ${OBJDIR}/netcfg.o ${OBJDIR}/cc_pal.o ${OBJDIR}/fs.o \
-           ${OBJDIR}/cpu.o ${OBJDIR}/i2c.o ${OBJDIR}/interrupt.o ${OBJDIR}/pin.o ${OBJDIR}/prcm.o ${OBJDIR}/spi.o ${OBJDIR}/uart.o ${OBJDIR}/udma.o ${OBJDIR}/utils.o
+CC3200_PLATFORM_SRCS = cc3200_fs.c cc3200_fs_slfs.c cc3200_libc.c cc3200_socket.c
+VPATH += $(COMMON_PATH)/platforms/cc3200
+
+FREERTOS_SRCS = timers.c list.c queue.c tasks.c port.c heap_3.c osi_freertos.c
+DRIVER_SRCS = cpu.c i2c.c interrupt.c pin.c prcm.c spi.c uart.c udma.c utils.c
+SL_SRCS = socket.c wlan.c driver.c device.c netapp.c netcfg.c cc_pal.c fs.c
+SDK_SRCS = startup_gcc.c $(FREERTOS_SRCS) $(DRIVER_SRCS) $(SL_SRCS)
+IPATH += $(SDK_PATH) $(SDK_PATH)/inc $(SDK_PATH)/driverlib $(SDK_PATH)/oslib \
+         $(SDK_PATH)/simplelink $(SDK_PATH)/simplelink/include \
+         $(SDK_PATH)/third_party/FreeRTOS/source \
+         $(SDK_PATH)/third_party/FreeRTOS/source/include \
+         $(SDK_PATH)/third_party/FreeRTOS/source/portable/GCC/ARM_CM4
+VPATH += $(SDK_PATH)/driverlib $(SDK_PATH)/example/common $(SDK_PATH)/oslib \
+         $(SDK_PATH)/simplelink $(SDK_PATH)/simplelink/source \
+         $(SDK_PATH)/third_party/FreeRTOS/source \
+         $(SDK_PATH)/third_party/FreeRTOS/source/portable/GCC/ARM_CM4 \
+         $(SDK_PATH)/third_party/FreeRTOS/source/portable/MemMang \
+
+APP_SRCS = main.c mongoose.c $(CC3200_PLATFORM_SRCS) $(SDK_SRCS)
+APP_OBJS = $(addprefix $(OBJDIR)/,$(patsubst %.c,%.o,$(APP_SRCS)))
 
-${FW_ELF}: ${APP_OBJS}
+$(FW_ELF): $(APP_OBJS)
 
-SCATTERgcc_${PROG} = ${PROG}.ld
-ENTRY_${PROG} = ResetISR
+SCATTERgcc_$(PROG) = $(PROG).ld
+ENTRY_$(PROG) = ResetISR
 
-# Target specific warning inhibitions
+# Disable certain warnings on SDK sources, we have no control over them anyway.
 
-build/wlan.o: CFLAGS += $(DISABLED_SDK_WARNINGS)
-build/driver.o: CFLAGS += $(DISABLED_SDK_WARNINGS)
-build/fs.o: CFLAGS += $(DISABLED_SDK_WARNINGS)
-build/spi.o: CFLAGS += $(DISABLED_SDK_WARNINGS)
-build/prcm.o: CFLAGS += $(DISABLED_SDK_WARNINGS)
-build/spiffs_hydrogen.o: CFLAGS += -Wno-unused-function
+SDK_OBJS = $(addprefix $(OBJDIR)/,$(patsubst %.c,%.o,$(SDK_SRCS)))
+$(SDK_OBJS): CFLAGS += -Wno-missing-braces -Wno-strict-aliasing -Wno-parentheses -Wno-unused-variable

examples/CC3200/main.c

@@ -144,8 +144,7 @@ int main() {
 
   setvbuf(stdout, NULL, _IONBF, 0);
   setvbuf(stderr, NULL, _IONBF, 0);
-  //cs_log_set_level(LL_INFO);
-  cs_log_set_level(LL_VERBOSE_DEBUG);
+  cs_log_set_level(LL_INFO);
 
   VStartSimpleLinkSpawnTask(8);
   osi_TaskCreate(mg_task, (const signed char *) "mg", 8192, NULL, 3, NULL);