Initial commit

Author: drowsymike

.vscode/c_cpp_properties.json

@@ -0,0 +1,23 @@
+{
+    "configurations": [
+        {
+            "name": "STM32F4",
+            "includePath": [
+                "${workspaceFolder}/config",
+                "${workspaceFolder}/app/inc",
+                "${workspaceFolder}/platform/hal/Inc",
+                "${workspaceFolder}/platform/cmsis/CMSIS/Include",
+                "${workspaceFolder}/platform/cmsis/CMSIS/Device/ST/STM32F4xx/Include",
+                "${workspaceFolder}/**"
+            ],
+            "defines": [
+                "USE_HAL_DRIVER",
+                "STM32F411xE"
+            ],
+            "compilerPath": "/home/mike/bin/arm-gnu-toolchain-14.3.rel1-x86_64-arm-none-eabi/bin/arm-none-eabi-gcc",
+            "intelliSenseMode": "linux-gcc-arm",
+            "cStandard": "c11"
+        }
+    ],
+    "version": 4
+}

Makefile

@@ -0,0 +1,40 @@
+TARGET = firmware
+
+include config/chip.mk
+
+CC = arm-none-eabi-gcc
+OBJCOPY = arm-none-eabi-objcopy
+
+# Параметры ядра
+CPU = -mcpu=cortex-m4 -mthumb -mfloat-abi=softfp -mfpu=fpv4-sp-d16
+
+CFLAGS = $(CPU) -O2 -Wall
+CFLAGS += -Iapp/inc
+CFLAGS += -Iconfig
+CFLAGS += -Iplatform/hal/Inc
+CFLAGS += -Iplatform/cmsis/CMSIS/Include
+CFLAGS += -Iplatform/cmsis/CMSIS/Device/ST/STM32F4xx/Include
+CFLAGS += -DUSE_HAL_DRIVER $(DEFS)
+
+LDFLAGS = -T platform/linker/$(LDSCRIPT) -nostartfiles --specs=nosys.specs --specs=nano.specs
+
+SRC = \
+app/src/main.c \
+config/clock.c \
+platform/startup/$(STARTUP) \
+platform/cmsis/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c \
+platform/hal/Src/stm32f4xx_hal.c \
+platform/hal/Src/stm32f4xx_hal_gpio.c \
+platform/hal/Src/stm32f4xx_hal_rcc.c \
+platform/hal/Src/stm32f4xx_hal_cortex.c
+
+all: $(TARGET).elf
+
+$(TARGET).elf:
+	mkdir -p build
+	$(CC) $(CFLAGS) $(SRC) $(LDFLAGS) -o build/$@
+	$(OBJCOPY) -O ihex build/$(TARGET).elf build/$(TARGET).hex
+	$(OBJCOPY) -O binary build/$(TARGET).elf build/$(TARGET).bin
+
+clean:
+	rm -rf build/*

app/inc/main.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "stm32f4xx_hal.h"
+
+/* Прототип clock-функции */
+void SystemClock_Config(void);

app/src/main.c

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+#include "stm32f4xx_hal.h"
+#include "main.h"
+
+int main(void)
+{
+    /* Инициализация HAL:
+       - SysTick
+       - NVIC
+       - внутренние структуры */
+    HAL_Init();
+
+    /* Настройка системной частоты */
+    SystemClock_Config();
+
+    /* Включаем тактирование GPIOA */
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+
+    GPIO_InitTypeDef gpio = {0};
+
+    gpio.Pin   = GPIO_PIN_5;              /* PA5 (LED на Nucleo) */
+    gpio.Mode  = GPIO_MODE_OUTPUT_PP;
+    gpio.Pull  = GPIO_NOPULL;
+    gpio.Speed = GPIO_SPEED_FREQ_LOW;
+
+    HAL_GPIO_Init(GPIOA, &gpio);
+
+    while (1)
+    {
+        HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_5);
+        HAL_Delay(500);
+    }
+}
+
+void _init(void) {}