added a makefile, testing it

Author: JasonKlm

.github/workflows/build.yml

@@ -2,9 +2,9 @@ name: Build STM32 Project
 
 on:
   push:
-    branches: ["*"]
+    branches: ["master", "workflows"]
   pull_request:
-    branches: ["*"]
+    branches: ["master", "workflows"]
 
 jobs:
   build:

makefile

@@ -0,0 +1,43 @@
+PROJECT    := Team2_DART_Firmware
+BUILD_DIR  := build
+SRC_DIR    := Src
+INC_DIR    := Inc
+
+CC         := arm-none-eabi-gcc
+CP         := arm-none-eabi-objcopy
+SZ         := arm-none-eabi-size
+
+CPU        := -mcpu=cortex-m7
+FPU        := -mfpu=fpv5-d16
+FLOAT_ABI  := -mfloat-abi=hard
+MCU_FLAGS  := $(CPU) -mthumb $(FPU) $(FLOAT_ABI)
+
+CFLAGS     := $(MCU_FLAGS) -g -O2 -Wall -ffunction-sections -fdata-sections --specs=nano.specs -static -fno-common
+CDEFS      := -DSTM32H743xx -DUSE_HAL_DRIVER
+CINCLUDES  := -I$(INC_DIR)
+
+LDSCRIPT   := STM32H743VITX_FLASH.ld
+LDFLAGS    := $(MCU_FLAGS) -T$(LDSCRIPT) -Wl,-Map=$(BUILD_DIR)/$(PROJECT).map,--gc-sections
+
+C_SOURCES  := $(wildcard $(SRC_DIR)/*.c)
+OBJ_FILES  := $(patsubst $(SRC_DIR)/%.c, $(BUILD_DIR)/%.o, $(C_SOURCES))
+
+all: $(BUILD_DIR)/$(PROJECT).elf
+
+$(BUILD_DIR)/%.o: $(SRC_DIR)/%.c | prepare_build
+	@echo "[CC]  $<"
+	mkdir -p $(dir $@)
+	$(CC) $(CFLAGS) $(CDEFS) $(CINCLUDES) -c $< -o $@
+
+$(BUILD_DIR)/$(PROJECT).elf: $(OBJ_FILES)
+	@echo "[LD]  $@"
+	$(CC) $^ $(LDFLAGS) -o $@
+	$(SZ) $@
+
+prepare_build:
+	mkdir -p $(BUILD_DIR)
+
+clean:
+	rm -rf $(BUILD_DIR)
+
+.PHONY: all clean prepare_build