u8g2 对于资源的要求远远低于 LVGL 很适合在STM32F103C8T6上运行。 本次移植采用FreeRTOS移植章节为基础，即stm32f103c8t6展示添加u8g2UI库的移植。

下载源码

下载 u8g2 主分支master

移植

复制源文件

这里为了方便，并没有移除文档等不需要的文件。有些文档说明移除了非目标之外的其他驱动，以减小体积。本工程在连接时已填加编译器优化参数，即未调用的代码，在最终镜像生成时已被移除。所以即使不移除也没有影响

复制该目录到工程目录如下所示:

project# 工程根目录

.vscode# vscode配置目录

…

CMSIS# 架构库目录

…

STM32F10x_StdPeriph_Driver# 标准外设库 目录

…

FreeRTOS-Kernel# FREEROTS 内核目录

…

u8g2-master# u8g2 库

…

build# 编译输出目录

…

main.c# LED点亮示例代码

CMakeLists.txt# CMAKE编译配置文件

stlink-dap.cfg# 仿真器配置文件

stm32f1x.cfg# 目标芯片配置文件

STM32F103xx_FLASH.ld# 链接脚本文件

STM32F103xx.svd# 目标芯片寄存器

stm32f10x_conf.h# 标准外设库配置文件

添加代码补全和智能提示

.vscode/c_cpp_properties

{
    "configurations": [
        {
            "name": "Win32",
            // includePath 实现代码补全和智能提示的头文件搜索路径
            "includePath": [
                "${workspaceFolder}/CMSIS/CM3/CoreSupport",
                "${workspaceFolder}/CMSIS/CM3/DeviceSupport/ST/STM32F10x",
                "${workspaceFolder}/STM32F10x_StdPeriph_Driver/inc",
                "${workspaceFolder}/FreeRTOS-Kernel",
                "${workspaceFolder}/FreeRTOS-Kernel/include",
                "${workspaceFolder}/FreeRTOS-Kernel/examples/template_configuration",
                "${workspaceFolder}/FreeRTOS-Kernel/portable/GCC/ARM_CM3",
                "${workspaceFolder}/u8g2-master/csrc",
                "${workspaceFolder}/"

            ],
            // defines 实现代码补全和智能提示的宏定义
            "defines": [
                "_DEBUG",
                "UNICODE",
                "_UNICODE",
                "STM32",
                "STM32F10X_MD",
                "USE_STDPERIPH_DRIVER"
            ],
            "cStandard": "c11",
            "cppStandard": "gnu++14",
            "intelliSenseMode": "windows-gcc-x64",
            "configurationProvider": "ms-vscode.cmake-tools"
        }
    ],
    "version": 4
}

添加头文件、源文件路径配置

• 添加u8g2相关的源文件、头文件

CMakeLists.txt

# 设置 CMake 最低支持版本
cmake_minimum_required(VERSION 3.17)

# Cmake 交叉编译配置
set(CMAKE_SYSTEM_NAME Generic)

# 定义工程名称
project("demo")

# 指定编译工具
set(CMAKE_C_COMPILER "arm-none-eabi-gcc")
set(CMAKE_CXX_COMPILER "arm-none-eabi-g++")
set(CMAKE_ASM_COMPILER "arm-none-eabi-gcc")
set(CMAKE_AR "arm-none-eabi-ar")
set(CMAKE_OBJCOPY "arm-none-eabi-objcopy")
set(CMAKE_OBJDUMP "arm-none-eabi-objdump")
set(CMAKE_SIZE "arm-none-eabi-size")



# 编译相关选项
set(MCU_FLAGS "-mcpu=cortex-m3 -mthumb -mfloat-abi=soft") 
set(CMAKE_C_FLAGS_DEBUG "-g -ggdb -Og")
set(CMAKE_C_FLAGS_RELEASE "-O3")
# set(CMAKE_C_FLAGS "${MCU_FLAGS}  -ffunction-sections -fdata-sections -fno-builtin -fno-common -Wextra -Werror -Wno-unknown-pragmas -Wl,-u,_printf_float") #-w -Wall
set(CMAKE_C_FLAGS "${MCU_FLAGS} -ffunction-sections -fdata-sections -fno-builtin -fno-common ") # -Wall -Wno-unknown-pragmas
set(CMAKE_ASM_FLAGS "${MCU_FLAGS} -x assembler-with-cpp")


if(RELEASE)
    message("build for release!")
    set(CMAKE_BUILD_TYPE "Release")
    add_definitions(-DRELEASE)
else()
    message("build for debug!")
    set(CMAKE_BUILD_TYPE "Debug")
    add_definitions(-DDEBUG)
endif()


# 设置编译器选项
add_definitions(-DUSE_STDPERIPH_DRIVER)
add_definitions(-DSTM32F10X_MD)

# 添加头文件搜索路径
include_directories(
    ${PROJECT_SOURCE_DIR}/CMSIS/CM3/CoreSupport
    ${PROJECT_SOURCE_DIR}/CMSIS/CM3/DeviceSupport/ST/STM32F10x
    ${PROJECT_SOURCE_DIR}/STM32F10x_StdPeriph_Driver/inc
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/include
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/examples/template_configuration
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/portable/GCC/ARM_CM3
    ${PROJECT_SOURCE_DIR}/u8g2-master/csrc/ 
    ${PROJECT_SOURCE_DIR}/
)

# 添加源文件
file(GLOB CMSIS_LIST
    ${PROJECT_SOURCE_DIR}/CMSIS/CM3/CoreSupport/core_cm3.c
    ${PROJECT_SOURCE_DIR}/CMSIS/CM3/DeviceSupport/ST/STM32F10x/system_stm32f10x.c
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/portable/GCC/ARM_CM3/port.c
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/portable/MemMang/heap_4.c
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/croutine.c
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/event_groups.c
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/list.c
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/queue.c
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/stream_buffer.c
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/tasks.c
    ${PROJECT_SOURCE_DIR}/FreeRTOS-Kernel/timers.c
    ${PROJECT_SOURCE_DIR}/u8g2-master/csrc/*.c  
)
aux_source_directory(${PROJECT_SOURCE_DIR}/STM32F10x_StdPeriph_Driver/src STD_LIST)

# 设置启动文件路径
set(START_UP_ASM ${PROJECT_SOURCE_DIR}/CMSIS/CM3/DeviceSupport/ST/STM32F10x/startup/gcc_ride7/startup_stm32f10x_md.s)


#设置支持 ASM
enable_language(ASM)

#设置启动文件 C 属性
set_property(SOURCE ${START_UP_ASM} PROPERTY LANGUAGE C)

# 设置链接脚本路径
set(LINKER_SCRIPT ${PROJECT_SOURCE_DIR}/STM32F103C8T6.ld)

# 设置链接器选项
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--print-memory-usage -specs=rdimon.specs --specs=nano.specs -specs=nosys.specs -T${LINKER_SCRIPT} -Wl,-Map=${PROJECT_BINARY_DIR}/${DEVICE_TYPE}.map,--cref -Wl,--gc-sections")

#生成目标文件
add_executable(app.elf main.c ${START_UP_ASM} ${CMSIS_LIST} ${STD_LIST})

#设置可执行文件输出路径
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR})

#设置 ELF 转换路径
set(ELF_FILE ${PROJECT_BINARY_DIR}/app.elf)
set(HEX_FILE ${PROJECT_BINARY_DIR}/app.hex)
set(BIN_FILE ${PROJECT_BINARY_DIR}/app.bin)

add_custom_command(TARGET "app.elf" POST_BUILD
COMMAND ${CMAKE_OBJCOPY} -Obinary ${ELF_FILE} ${BIN_FILE}
COMMAND ${CMAKE_OBJCOPY} -Oihex ${ELF_FILE} ${HEX_FILE}
COMMAND ${CMAKE_COMMAND} -E copy ${HEX_FILE} "${PROJECT_BINARY_DIR}/bin/${PROJECT_NAME}.hex"
COMMAND ${CMAKE_COMMAND} -E copy ${BIN_FILE} "${PROJECT_BINARY_DIR}/bin/${PROJECT_NAME}.bin"
COMMAND ${CMAKE_COMMAND} -E copy ${ELF_FILE} "${PROJECT_BINARY_DIR}/bin/${PROJECT_NAME}.elf"
COMMAND ${CMAKE_SIZE} --format=berkeley ${ELF_FILE} ${HEX_FILE}
COMMENT "Building ${PROJECT_NAME} (bin, hex, elf) and print size")

模拟I2C移植

屏幕驱动为ssd1315 i2c接口

• u8g2_Setup_ssd1315_128x64_noname_1 spi接口 单页缓冲
• u8g2_Setup_ssd1315_128x64_noname_2 spi接口 双页缓冲
• u8g2_Setup_ssd1315_128x64_noname_f spi接口 全帧缓冲
• u8g2_Setup_ssd1315_i2c_128x64_noname_1 I2C 单页缓冲
• u8g2_Setup_ssd1315_i2c_128x64_noname_2 I2C 双页缓冲
• u8g2_Setup_ssd1315_i2c_128x64_noname_f I2C 全帧缓冲 所以选择注册函

GPIO 模拟软件I2C参考如下:

main.c

#include "stm32f10x_gpio.h"
#include "stm32f10x_rcc.h"

#include "FreeRTOS.h"
#include "task.h"

#include "mui_u8g2.h"

static TaskHandle_t xHandle1 = NULL;
static u8g2_t u8g2;

void SOFT_I2C_Init()
{
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
    GPIO_InitTypeDef GPIO_InitStruct = {
        .GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11,
        .GPIO_Mode = GPIO_Mode_Out_OD,
        .GPIO_Speed = GPIO_Speed_50MHz};
    GPIO_Init(GPIOB, &GPIO_InitStruct);
    GPIO_SetBits(GPIOB, GPIO_Pin_10 | GPIO_Pin_11);
}

uint8_t sw_gpio_and_delay(U8X8_UNUSED u8x8_t *u8x8, U8X8_UNUSED uint8_t msg, U8X8_UNUSED uint8_t arg_int, U8X8_UNUSED void *arg_ptr)
{
    switch (msg)
    {
    case U8X8_MSG_DELAY_MILLI:
        for (uint32_t i = 0; i < (arg_int * 7200); i++)
            __NOP();
        break;
    case U8X8_MSG_DELAY_10MICRO:
        for (uint32_t i = 0; i < (10 * 72); i++)
            __NOP();
        break;
    case U8X8_MSG_DELAY_100NANO:
        __NOP();
        break;
    case U8X8_MSG_GPIO_I2C_CLOCK:
        if (arg_int)
            GPIO_SetBits(GPIOB, GPIO_Pin_10);
        else
            GPIO_ResetBits(GPIOB, GPIO_Pin_10);
        break;
    case U8X8_MSG_GPIO_I2C_DATA:
        if (arg_int)
            GPIO_SetBits(GPIOB, GPIO_Pin_11);
        else
            GPIO_ResetBits(GPIOB, GPIO_Pin_11);
        break;
    default:
        return 0;
    }
    return 1;
}

void vTask1(void *param)
{
    while (1)
    {
        vTaskDelay(pdMS_TO_TICKS(300));
        GPIO_SetBits(GPIOC, GPIO_Pin_13);
        vTaskDelay(pdMS_TO_TICKS(300));
        GPIO_ResetBits(GPIOC, GPIO_Pin_13);
    }
}

int main(void)
{


    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE);
    GPIO_InitTypeDef GPIO_InitStruct = {
        .GPIO_Pin = GPIO_Pin_13,
        .GPIO_Mode = GPIO_Mode_Out_PP,
        .GPIO_Speed = GPIO_Speed_50MHz};
    GPIO_Init(GPIOC, &GPIO_InitStruct);


    SOFT_I2C_Init();
    u8g2_Setup_ssd1315_i2c_128x64_noname_f(&u8g2, U8G2_R0, u8x8_byte_sw_i2c, sw_gpio_and_delay);

    u8g2_InitDisplay(&u8g2); // 初始化
    u8g2_SetPowerSave(&u8g2, 0);
    u8g2_ClearBuffer(&u8g2); // 清屏
    u8g2_SendBuffer(&u8g2);

    u8g2_SetFontMode(&u8g2, 1);              //字体模式选择
    u8g2_SetFontDirection(&u8g2, 0);         //字体方向选择
    u8g2_SetFont(&u8g2, u8g2_font_inb24_mf); //字库选择
    u8g2_DrawStr(&u8g2, 0, 20, "U");

    u8g2_SetFontDirection(&u8g2, 1);
    u8g2_SetFont(&u8g2, u8g2_font_inb30_mn);
    u8g2_DrawStr(&u8g2, 21, 8, "8");

    u8g2_SetFontDirection(&u8g2, 0);
    u8g2_SetFont(&u8g2, u8g2_font_inb24_mf);
    u8g2_DrawStr(&u8g2, 51, 30, "g");
    u8g2_DrawStr(&u8g2, 67, 30, "\xb2");

    u8g2_DrawHLine(&u8g2, 2, 35, 47);
    u8g2_DrawHLine(&u8g2, 3, 36, 47);
    u8g2_DrawVLine(&u8g2, 45, 32, 12);
    u8g2_DrawVLine(&u8g2, 46, 33, 12);

    u8g2_SetFont(&u8g2, u8g2_font_4x6_tr);
    u8g2_DrawStr(&u8g2, 1, 54, "github.com/olikraus/u8g2");
    u8g2_SendBuffer(&u8g2);

    xTaskCreate(vTask1, "vTask1", 64, NULL, 2, &xHandle1);
    vTaskStartScheduler();
}

硬件I2C移植

屏幕驱动为ssd1315 i2c接口

• u8g2_Setup_ssd1315_128x64_noname_1 spi接口 单页缓冲
• u8g2_Setup_ssd1315_128x64_noname_2 spi接口 双页缓冲
• u8g2_Setup_ssd1315_128x64_noname_f spi接口 全帧缓冲
• u8g2_Setup_ssd1315_i2c_128x64_noname_1 I2C 单页缓冲
• u8g2_Setup_ssd1315_i2c_128x64_noname_2 I2C 双页缓冲
• u8g2_Setup_ssd1315_i2c_128x64_noname_f I2C 全帧缓冲 所以选择注册函

main.c

#include "stm32f10x_gpio.h"
#include "stm32f10x_rcc.h"

#include "FreeRTOS.h"
#include "task.h"

#include "mui_u8g2.h"

static TaskHandle_t xHandle1 = NULL;
static u8g2_t u8g2;

void HARD_I2C_Init() {
    GPIO_InitTypeDef GPIO_InitStructure;
    I2C_InitTypeDef I2C_InitStructure;
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE);
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2, ENABLE);
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
    GPIO_Init(GPIOB, &GPIO_InitStructure);
    I2C_DeInit(I2C2);
    I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
    I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
    I2C_InitStructure.I2C_OwnAddress1 = 0x00;
    I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
    I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
    I2C_InitStructure.I2C_ClockSpeed = 400000;
    I2C_Init(I2C2, &I2C_InitStructure);
    I2C_Cmd(I2C2, ENABLE);
}

uint8_t SSD1315_WriteMultiByte(uint8_t *pData, uint16_t len)
{
    while (I2C_GetFlagStatus(I2C2, I2C_FLAG_BUSY))
        ;
    I2C_GenerateSTART(I2C2, ENABLE);
    while (!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_MODE_SELECT))
        ;
    I2C_Send7bitAddress(I2C2, 0x78, I2C_Direction_Transmitter);
    while (!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
        ;
    for (uint16_t i = 0; i < len; i++)
    {
        I2C_SendData(I2C2, pData[i]);
        while (!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED))
            ;
    }
    I2C_GenerateSTOP(I2C2, ENABLE);
    return 0;
}

uint8_t u8x8_byte_hw_i2c(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
	static uint8_t buffer[32];
	static uint8_t buf_idx;
	uint8_t *data;
	switch(msg)
	{
		case U8X8_MSG_BYTE_SEND:
		  data = (uint8_t *)arg_ptr;
		  while( arg_int > 0 ){
					buffer[buf_idx++] = *data;
					data++;
					arg_int--;
				}
		break;
		case U8X8_MSG_BYTE_INIT:
		  /* add your custom code to init i2c subsystem */
		break;
		case U8X8_MSG_BYTE_START_TRANSFER:
		  buf_idx = 0;
		break;
		case U8X8_MSG_BYTE_END_TRANSFER:
            SSD1315_WriteMultiByte(buffer , buf_idx);
		break;
			
		default:
		  return 0;
	}
	return 1;
}


uint8_t hw_gpio_and_delay(U8X8_UNUSED u8x8_t *u8x8, U8X8_UNUSED uint8_t msg, U8X8_UNUSED uint8_t arg_int, U8X8_UNUSED void *arg_ptr)
{
	switch(msg)
	{
		case U8X8_MSG_GPIO_AND_DELAY_INIT:
			break;
			
		case U8X8_MSG_DELAY_MILLI:
        for (uint32_t i = 0; i < (arg_int * 7200); i++)
            __NOP();
			break;
			
		case U8X8_MSG_GPIO_I2C_CLOCK:
			break;
			
		case U8X8_MSG_GPIO_I2C_DATA:
			break;
			
		default:
			return 0;
	}
	return 1; // command processed successfully.
}



void vTask1(void *param)
{
    while (1)
    {
        vTaskDelay(pdMS_TO_TICKS(300));
        GPIO_SetBits(GPIOC, GPIO_Pin_13);
        vTaskDelay(pdMS_TO_TICKS(300));
        GPIO_ResetBits(GPIOC, GPIO_Pin_13);
    }
}

int main(void)
{
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE);
    GPIO_InitTypeDef GPIO_InitStruct = {
        .GPIO_Pin = GPIO_Pin_13,
        .GPIO_Mode = GPIO_Mode_Out_PP,
        .GPIO_Speed = GPIO_Speed_50MHz};
    GPIO_Init(GPIOC, &GPIO_InitStruct);

    HARD_I2C_Init();
    u8g2_Setup_ssd1315_i2c_128x64_noname_f(&u8g2, U8G2_R0, u8x8_byte_hw_i2c, hw_gpio_and_delay);

    u8g2_InitDisplay(&u8g2); // 初始化
    u8g2_SetPowerSave(&u8g2, 0);
    u8g2_ClearBuffer(&u8g2); // 清屏
    u8g2_SendBuffer(&u8g2);

    u8g2_SetFontMode(&u8g2, 1);              //字体模式选择
    u8g2_SetFontDirection(&u8g2, 0);         //字体方向选择
    u8g2_SetFont(&u8g2, u8g2_font_inb24_mf); //字库选择
    u8g2_DrawStr(&u8g2, 0, 20, "U");

    u8g2_SetFontDirection(&u8g2, 1);
    u8g2_SetFont(&u8g2, u8g2_font_inb30_mn);
    u8g2_DrawStr(&u8g2, 21, 8, "8");

    u8g2_SetFontDirection(&u8g2, 0);
    u8g2_SetFont(&u8g2, u8g2_font_inb24_mf);
    u8g2_DrawStr(&u8g2, 51, 30, "g");
    u8g2_DrawStr(&u8g2, 67, 30, "\xb2");

    u8g2_DrawHLine(&u8g2, 2, 35, 47);
    u8g2_DrawHLine(&u8g2, 3, 36, 47);
    u8g2_DrawVLine(&u8g2, 45, 32, 12);
    u8g2_DrawVLine(&u8g2, 46, 33, 12);

    u8g2_SetFont(&u8g2, u8g2_font_4x6_tr);
    u8g2_DrawStr(&u8g2, 1, 54, "github.com/olikraus/u8g2");
    u8g2_SendBuffer(&u8g2);

    xTaskCreate(vTask1, "vTask1", 64, NULL, 2, &xHandle1);
    vTaskStartScheduler();
}

镜像输出

编译成功后完整日志如下

 *  正在执行任务: rm * -r 

 *  终端将被任务重用，按任意键关闭。 

 *  正在执行任务: cmake -G 'MinGW Makefiles' .. 

-- The C compiler identification is GNU 16.1.0
-- The CXX compiler identification is GNU 16.1.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - failed
-- Check for working C compiler: C:/Program Files/mingw64/bin/cc.exe
-- Check for working C compiler: C:/Program Files/mingw64/bin/cc.exe - works
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - failed
-- Check for working CXX compiler: C:/Program Files/mingw64/bin/cc.exe
-- Check for working CXX compiler: C:/Program Files/mingw64/bin/cc.exe - works
-- Detecting CXX compile features
-- Detecting CXX compile features - done
build for debug!
-- The ASM compiler identification is GNU
-- Found assembler: C:/Program Files (x86)/GNU Arm Embedded Toolchain/10 2021.10/bin/arm-none-eabi-gcc.exe
-- Configuring done (6.1s)
-- Generating done (0.2s)
-- Build files have been written to: C:/Users/user/Desktop/project-rtos/build
 *  终端将被任务重用，按任意键关闭。 

 *  正在执行任务: make  

[  0%] Building C object CMakeFiles/app.elf.dir/main.c.obj
[  1%] Building C object CMakeFiles/app.elf.dir/CMSIS/CM3/DeviceSupport/ST/STM32F10x/startup/gcc_ride7/startup_stm32f10x_md.s.obj
[  1%] Building C object CMakeFiles/app.elf.dir/CMSIS/CM3/CoreSupport/core_cm3.c.obj
[  2%] Building C object CMakeFiles/app.elf.dir/CMSIS/CM3/DeviceSupport/ST/STM32F10x/system_stm32f10x.c.obj
[  2%] Building C object CMakeFiles/app.elf.dir/FreeRTOS-Kernel/croutine.c.obj
[  3%] Building C object CMakeFiles/app.elf.dir/FreeRTOS-Kernel/event_groups.c.obj
[  4%] Building C object CMakeFiles/app.elf.dir/FreeRTOS-Kernel/list.c.obj
[  4%] Building C object CMakeFiles/app.elf.dir/FreeRTOS-Kernel/portable/GCC/ARM_CM3/port.c.obj
[  5%] Building C object CMakeFiles/app.elf.dir/FreeRTOS-Kernel/portable/MemMang/heap_4.c.obj
[  5%] Building C object CMakeFiles/app.elf.dir/FreeRTOS-Kernel/queue.c.obj
[  6%] Building C object CMakeFiles/app.elf.dir/FreeRTOS-Kernel/stream_buffer.c.obj
[  7%] Building C object CMakeFiles/app.elf.dir/FreeRTOS-Kernel/tasks.c.obj
[  7%] Building C object CMakeFiles/app.elf.dir/FreeRTOS-Kernel/timers.c.obj
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[100%] Linking C executable app.elf
Memory region         Used Size  Region Size  %age Used
             RAM:        8592 B        20 KB     41.95%
           FLASH:       22844 B        64 KB     34.86%
Building demo (bin, hex, elf) and print size
   text    data     bss     dec     hex filename
  22828      16    8584   31428    7ac4 C:/Users/user/Desktop/project-rtos/build/app.elf
      0   22844       0   22844    593c C:/Users/user/Desktop/project-rtos/build/app.hex
[100%] Built target app.elf
 *  终端将被任务重用，按任意键关闭。

u8g2 显示效果

u8g2 显示效果

贡献者: yulc