手把手教你移植openharmony3.0到stm32(liteos_m)

stm32系列芯片移植openhrmony3.0 liteos_m

之前找了很多文章,但是由于本身这方面文章较少加上官网文档太过简洁,移植过程比较繁琐,特此纪录。

附上最终模板地址:https://gitee.com/emb-y/hm3-to-stm32

一、创建stm32cubemx模板工程

为了方便移植先使用stm32cubemx生成模板工程, 以stm32f411为例
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当然要用嵌软人的helloworld–点灯来证明是否移植成功
这块核心板的led在pc13,直接用cubemx生成一个模板程序
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这里只初始化pc13为Output
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只需要设置一个名字以及把工具链设置为MakeFile,然后点击生成即可。
工程目录如下:
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二、添加鸿蒙需要的配置文件以及修改MakeFile

该处参考连志安老师的帖子和鸿蒙官方文档

添加target_config.h到项目根目录

#ifndef _TARGET_CONFIG_H
#define _TARGET_CONFIG_H

#include "stm32f4xx.h"

#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */

/*=============================================================================
                                        System clock module configuration
=============================================================================*/
#define OS_SYS_CLOCK                                        SystemCoreClock
#define LOSCFG_BASE_CORE_TICK_PER_SECOND                    (1000UL)
#define LOSCFG_BASE_CORE_TICK_HW_TIME                       0
#define LOSCFG_BASE_CORE_TICK_WTIMER                        0
#define LOSCFG_BASE_CORE_TICK_RESPONSE_MAX                  SysTick_LOAD_RELOAD_Msk

/*=============================================================================
                                        Hardware interrupt module configuration
=============================================================================*/
#define LOSCFG_PLATFORM_HWI                                 1
#define LOSCFG_USE_SYSTEM_DEFINED_INTERRUPT                 1
#define LOSCFG_PLATFORM_HWI_LIMIT                           128
/*=============================================================================
                                       Task module configuration
=============================================================================*/
#define LOSCFG_BASE_CORE_TSK_LIMIT                          24
#define LOSCFG_BASE_CORE_TSK_IDLE_STACK_SIZE                (0x500U)
#define LOSCFG_BASE_CORE_TSK_DEFAULT_STACK_SIZE             (0x2D0U)
#define LOSCFG_BASE_CORE_TSK_MIN_STACK_SIZE                 (0x130U)
#define LOSCFG_BASE_CORE_TIMESLICE                          1
#define LOSCFG_BASE_CORE_TIMESLICE_TIMEOUT                  20000
/*=============================================================================
                                       Semaphore module configuration
=============================================================================*/
#define LOSCFG_BASE_IPC_SEM                                 1
#define LOSCFG_BASE_IPC_SEM_LIMIT                           48
/*=============================================================================
                                       Mutex module configuration
=============================================================================*/
#define LOSCFG_BASE_IPC_MUX                                 1
#define LOSCFG_BASE_IPC_MUX_LIMIT                           24
/*=============================================================================
                                       Queue module configuration
=============================================================================*/
#define LOSCFG_BASE_IPC_QUEUE                               1
#define LOSCFG_BASE_IPC_QUEUE_LIMIT                         24
/*=============================================================================
                                       Software timer module configuration
=============================================================================*/
#define LOSCFG_BASE_CORE_SWTMR                              1
#define LOSCFG_BASE_CORE_SWTMR_ALIGN                        0
#define LOSCFG_BASE_CORE_SWTMR_LIMIT                        48
/*=============================================================================
                                       Memory module configuration
=============================================================================*/
#define LOSCFG_MEM_MUL_POOL                                 1
#define OS_SYS_MEM_NUM                                      20
/*=============================================================================
                                       Exception module configuration
=============================================================================*/
#define LOSCFG_PLATFORM_EXC                                 1
/* =============================================================================
                                       printf module configuration
============================================================================= */
#define LOSCFG_KERNEL_PRINTF                                1

#define LOSCFG_BASE_CORE_SCHED_SLEEP                        1

#define LOSCFG_SYS_HEAP_SIZE                                0x4000UL

#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

#endif /* _TARGET_CONFIG_H */

该文件为liteos_m的配置文件

添加build.sh文件到根目录

#!/bin/bash

set -e

OUT_DIR="$1"
TOOLCHAIN_DIR="$2"


function main(){
    ROOT_DIR=$(cd $(dirname "$0");pwd)
    if [ -z "${TOOLCHAIN_DIR}" ]; then
        make clean &&  make -j16 OUT_DIR_PATH=${OUT_DIR}
    else
        make clean &&  make -j16 OUT_DIR_PATH=${OUT_DIR} TOOLCHAIN_DIR_PATH=${TOOLCHAIN_DIR}
    fi
}

main "$@"

该文件为编译脚本

在根目录下新建liteos_m文件夹并添加config.gni文件

# Kernel type, e.g. "linux", "liteos_a", "liteos_m".
kernel_type = "liteos_m"

# Kernel version.
kernel_version = "3.0.0"

# Board CPU type, e.g. "cortex-a7", "riscv32".
board_cpu = "cortex-m4"

# Board arch, e.g.  "armv7-a", "rv32imac".
board_arch = ""

# Toolchain name used for system compiling.
# E.g. gcc-arm-none-eabi, arm-linux-harmonyeabi-gcc, ohos-clang,  riscv32-unknown-elf.
# Note: The default toolchain is "ohos-clang". It's not mandatory if you use the default toochain.
board_toolchain = "arm-none-eabi-gcc"

# The toolchain path instatlled, it's not mandatory if you have added toolchian path to your ~/.bashrc.
board_toolchain_path = ""

# Compiler prefix.
board_toolchain_prefix = "arm-none-eabi-"

# Compiler type, "gcc" or "clang".
board_toolchain_type = "gcc"

# Board related common compile flags.
board_cflags = [
  "-mcpu=cortex-m4",
  "-mfpu=fpv4-sp-d16",
  "-mfloat-abi=hard",
  "-mthumb",
  "-Og",
  "-fdata-sections",
  "-ffunction-sections",
  "-DUSE_HAL_DRIVER", # 视情况修改!!!!!!!!!!!
  "-DSTM32F411xE", # 视情况修改!!!!!!!!!!!
]
board_cxx_flags = board_cflags

board_ld_flags = []

# Board related headfiles search path.
# 视情况修改!!!!!!!!!!!
board_include_dirs = [
  "//kernel/liteos_m/kernel/arch/arm/cortex-m4/gcc",
  "//device/st/stm32f411core",
  "//device/st/stm32f411core/Core/Inc",
  "//device/st/stm32f411core/Drivers/CMSIS/Include",
  "//device/st/stm32f411core/Drivers/CMSIS/Device/ST/STM32F4xx/Include",
  "//device/st/stm32f411core/Drivers/STM32F4xx_HAL_Driver/Inc",
  "//device/st/stm32f411core/third_party/LWIP",
  "//drivers/framework/support/platform/include/common",
  "//kernel/liteos_m/kal/cmsis",
]

# Board adapter dir for OHOS components.
board_adapter_dir = ""

# Sysroot path.
board_configed_sysroot = ""

# Board storage type, it used for file system generation.
storage_type = ""

其中board_cflags 的最后两项需要按照芯片修改makefile中可以找到对应选项
board_include_dirs 为依赖的头文件目录,需要自行修改

修改Makefile文件

# File automatically-generated by tool: [projectgenerator] version: [3.13.0-B3] date: [Fri Apr 30 08:31:16 CST 2021] 
##########################################################################################################################

# ------------------------------------------------
# Generic Makefile (based on gcc)
#
# ChangeLog :
#	2017-02-10 - Several enhancements + project update mode
#   2015-07-22 - first version
# ------------------------------------------------

######################################
# target
######################################
TARGET = stm32f411core_ninjia

#######################################
# paths
#######################################
# Build path
BUILD_DIR = $(OUT_DIR_PATH)

#######################################
# toolchain paths
#######################################
# Toolchain path
ifneq ($(TOOLCHAIN_DIR_PATH), )
GCC_PATH = $(TOOLCHAIN_DIR_PATH)
endif

#######################################
# binaries
#######################################
PREFIX = arm-none-eabi-
# The gcc compiler bin path can be either defined in make command via GCC_PATH variable (> make GCC_PATH=xxx)
# either it can be added to the PATH environment variable.
ifneq ($(GCC_PATH), )
CC = $(GCC_PATH)/$(PREFIX)gcc
AS = $(GCC_PATH)/$(PREFIX)gcc -x assembler-with-cpp
CP = $(GCC_PATH)/$(PREFIX)objcopy
SZ = $(GCC_PATH)/$(PREFIX)size
else
CC = $(PREFIX)gcc
AS = $(PREFIX)gcc -x assembler-with-cpp
CP = $(PREFIX)objcopy
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)


#######################################
# LDFLAGS
#######################################
# link script
LDSCRIPT = STM32F411CEUx_FLASH.ld # 视情况修改!!!!!!!!!!!

# libraries
# 视情况修改!!!!!!!!!!!
STATIC_LIB = -larch -lbacktrace -lcmsis -lcore -lcpup -lexchook -lkernel \
             -lsec_static -lpm -lstartup_stm32f411xe -lSTM32F4xx_HAL_Driver -lutils \
             -lhdf_core -lhdf_osal_lite
STATIC_LIB_DIR = -L$(BUILD_DIR)/libs
LIBS = -lc -lm -lnosys
LIBDIR =
LDFLAGS = $(MCU) -specs=nano.specs -T$(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


#######################################
# build the application
#######################################
$(BUILD_DIR)/$(TARGET).elf: Makefile
	$(CC) $(STATIC_LIB_DIR) -Wl,--whole-archive -Wl,--start-group $(STATIC_LIB) -Wl,--end-group -Wl,--no-whole-archive $(LDFLAGS) -o $@
	$(SZ) $@

$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
	$(HEX) $< $@
	
$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
	$(BIN) $< $@	
	
$(BUILD_DIR):
	mkdir -p $@

#######################################
# clean up
#######################################
clean:
	-rm -fR $(BUILD_DIR)

# *** EOF ***

其中LDSCRIPT 为生成的ld文件需要修改
STATIC_LIB 为链接.a文件的选项需要修改(如果不知道怎么写可以先编译,在鸿蒙源码的out目录下找到需要链接的lib文件)

配置各级目录下的BUILD.gn脚本

根目录下:

import("//build/lite/config/component/lite_component.gni")

group("stm32f411core") {
}

build_ext_component("stm32f411core_ninjia") {
  exec_path = rebase_path(".", root_build_dir)
  outdir = rebase_path("$root_out_dir")
  print("$board_toolchain")

  if (board_toolchain_path != "") {
    toolchain_path = rebase_path("$board_toolchain_path")
    command = "./build.sh ${outdir} ${toolchain_path}"
  } else {
    command = "./build.sh ${outdir}"
  }
  deps = [ "//build/lite:ohos" ]
}

static_library("startup_stm32f411xe") {
  sources = [ "startup_stm32f411xe.s" ]

  include_dirs = [ "." ]

  deps = [
    "//drivers/adapter/khdf/liteos_m:hdf_lite",
    "//device/st/stm32f411core/Core:core",
    "//device/st/stm32f411core/Drivers/STM32F4xx_HAL_Driver:STM32F4xx_HAL_Driver",
  ]
}

其中sources 为cubemx生成的.s文件的名称
group及build_ext_component视情况修改
deps 为下级gn文件列表

Drivers\STM32F4xx_HAL_Driver下的BUILD.gn:

static_library("STM32F4xx_HAL_Driver") {
  sources = [
    "Src/stm32f4xx_hal_tim.c",
    "Src/stm32f4xx_hal_tim_ex.c",
    "Src/stm32f4xx_hal_rcc.c",
    "Src/stm32f4xx_hal_rcc_ex.c",
    "Src/stm32f4xx_hal_flash.c",
    "Src/stm32f4xx_hal_flash_ex.c",
    "Src/stm32f4xx_hal_flash_ramfunc.c",
    "Src/stm32f4xx_hal_gpio.c",
    "Src/stm32f4xx_hal_dma_ex.c",
    "Src/stm32f4xx_hal_dma.c",
    "Src/stm32f4xx_hal_pwr.c",
    "Src/stm32f4xx_hal_pwr_ex.c",
    "Src/stm32f4xx_hal_cortex.c",
    "Src/stm32f4xx_hal.c",
    "Src/stm32f4xx_hal_exti.c",
  ]

  include_dirs = [
    "Inc",
    "Inc/Legacy",
    "../CMSIS/Include",
    "../CMSIS/Device/ST/STM32F4xx/Include",
    "//kernel/liteos_m/kal/cmsis",
    "../../Core/Inc",
  ]

}

source及include_dirs是c文件和头文件目录,视情况修改

Core下的BUILD.gn:

static_library("core") {
  sources = [
    "Src/main.c",
    "Src/stm32f4xx_hal_msp.c",
    "Src/stm32f4xx_it.c",
    "Src/system_stm32f4xx.c",  
  ]

  include_dirs = [
    "Inc",
    "../",
    "../Drivers/STM32F4xx_HAL_Driver/Inc",
    "../Drivers/CMSIS/Include",
    "../Drivers/CMSIS/Device/ST/STM32F4xx/Include",
    "//kernel/liteos_m/kernel/include",
    "//kernel/liteos_m/utils",
    "//kernel/liteos_m/kernel/arch/include",
    "//kernel/liteos_m/kal/cmsis"
  ]
}

source及include_dirs是c文件和头文件目录,视情况修改

修改main.c文件

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "cmsis_os2.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void *LedTask(const char *arg);
static void LedExampleEntry(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */
  osKernelInitialize();
  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  
  /* USER CODE BEGIN 2 */
  LedExampleEntry();
  /* USER CODE END 2 */
  osKernelStart();
  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */
    osDelay(500);
    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Configure the main internal regulator output voltage
  */
  __HAL_RCC_PWR_CLK_ENABLE();
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOC_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_RESET);

  /*Configure GPIO pin : PC13 */
  GPIO_InitStruct.Pin = GPIO_PIN_13;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */
static void *LedTask(const char *arg)
{
    (void)arg;
    while(1)
    {
      osDelay(500);
      HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, 0);
      osDelay(500);
      HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, 1);
    }
    return NULL;
}

static void LedExampleEntry(void)
{
    osThreadAttr_t attr;
    
    MX_GPIO_Init();

    attr.name = "LedTask";
    attr.attr_bits = 0U;
    attr.cb_mem = NULL;
    attr.cb_size = 0U;
    attr.stack_mem = NULL;
    attr.stack_size = 1024;
    attr.priority = 13;

    if (osThreadNew((osThreadFunc_t)LedTask, NULL, &attr) == NULL) {
        printf("[LedExample] Falied to create LedTask!\n");
    }
}
/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

该例程采用cmsis,就是最简单的创建了一个任务,在任务中让灯闪烁。
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按照鸿蒙官方的要求规范目录结构
修改stm32cubemx项目名为stm32f411core
规则为:
device/厂商名称/板卡名称

新建ventor文件夹
创建如下目录结构:
请添加图片描述
在config.json文件中写入:

{
    "product_name": "stm32f411core",
    "ohos_version": "OpenHarmony 1.0",
    "device_company": "st",
    "board": "stm32f411core",
    "kernel_type": "liteos_m",
    "kernel_version": "3.0.0",
    "subsystems": [
      {
        "subsystem": "kernel",
        "components": [
          { "component": "liteos_m",
            "features":[
              "enable_ohos_kernel_liteos_m_fs = false",
              "enable_ohos_kernel_liteos_m_kal = false"
            ]
          }
        ]
      }
    ],
    "vendor_adapter_dir": "//device/st/stm32f411core",
    "third_party_dir": "//third_party",
    "product_adapter_dir": "",
    "ohos_product_type":"",
    "ohos_manufacture":"",
    "ohos_brand":"",
    "ohos_market_name":"",
    "ohos_product_series":"",
    "ohos_product_model":"",
    "ohos_software_model":"",
    "ohos_hardware_model":"",
    "ohos_hardware_profile":"",
    "ohos_serial":"",
    "ohos_bootloader_version":"",
    "ohos_secure_patch_level":"",
    "ohos_abi_list":""
}

该文件为鸿蒙的编译选项配置,可参考鸿蒙官方文档

在BUILD.gn中写入:

group("gd32f303_qidian") {
}

在hdf.hcs中写入:

//#include "../../../../device/hisilicon/hispark_taurus/sdk_liteos/config/uart/uart_config.hcs"

#include "device_info/device_info.hcs"

root {
    module = "st,stm32_chip";
}

在device_info.hcs中写入:

 root {
    device_info {
        match_attr = "hdf_manager";
        template host {
            hostName = "";
            priority = 100;
            template device {
                template deviceNode {
                    policy = 0;
                    priority = 100;
                    preload = 0;
                    permission = 0664;
                    moduleName = "";
                    serviceName = "";
                    deviceMatchAttr = "";
                }
            }
        }
        platform :: host {
            hostName = "platform_host";
            priority = 50;
            device_uart :: device {
                device0 :: deviceNode {
                    policy = 1;
                    priority = 40;
                    permission = 0644;
                    moduleName = "HDF_PLATFORM_UART";
                    serviceName = "HDF_PLATFORM_UART_0";
                    deviceMatchAttr = "hisilicon_hi35xx_uart_0";
                }
            }
        }
    }
}

三、将自己写的工程文件移入鸿蒙源码

该处采用全量代码
此处略过鸿蒙hpm等配置(通过鸿蒙官网设备开发3.0的工具可以自动化配置)
下载arm-none-eabi-gcc、gn、ninja工具链并配置环境变量
并复制目录到鸿蒙源码对应目录请添加图片描述
请添加图片描述
这时候激活鸿蒙官方的python虚拟环境(如果使用官方工具配置环境需要这一步)

source /opt/Huawei/DevEco-Device-Tool/core/deveco-venv/bin/activate

在源码更目录终端下输入hb set可以看到自己设置的开发板编译选项请添加图片描述
回车选择后输入

hb build

即可开始编译

四、修改报错问题

如果不出会遇到报错
有两处错误可能是因为工作人员粗心
请添加图片描述
这里的PRINT_ERR少了一个参数,我直接补了个字符串。(这个问题现在开源社区已经修复了)
还有一处是也是输出报错,uint32_t类型打印时传的是%u,这个也可能是编译器问题

另一处我猜测是我编译配置有问题,但是这个地方为了省事我直接把一个编译选项屏蔽掉了
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最后再此编译,令人激动的时刻到来了
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在out目录下可以看到.bin文件
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五、烧录验证

打开STM32 ST-Link Utility烧录到开发板
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按下开发板rst键
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可以看到led闪烁,移植成功!

版权声明:本文为CSDN博主「EMb-Y」的原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接及本声明。
原文链接:https://blog.csdn.net/YangHxuan/article/details/121256198

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