基于RT-thread使用STM32F407驱动LCD屏幕

前言

不管哪款LCD，都是同理的，我这款LCD是用的IIC通信。 然后本工程使用普通IO口模拟IIC时序进行通信

一、拿到一款LCD首先确认通信方式，然后确认通信接口

二、然后就是确认控制指令，(指令太多放不完，我就放一部分）

三、LCD的外围电路设计

四、新建工程

五、打开CubeMX

六、时钟使用外部晶振

七、配置下载口

八、打开串口一，调试用

九、配置时钟线，时钟频率拉满

十、选择工具链

十一、生成.c和.h文件

十二、生成代码

十三、主函数中这么写

/*
 * @Description:
 * @Author: mzh
 * @Date: 2023-07-31 21:57:47
 * @LastEditors: mzh
 * @LastEditTime: 2023-07-31 22:01:58
 */
/*
 * Copyright (c) 2006-2023, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2023-07-21     RT-Thread    first version
 */
#include "system_deal.h"

int main(void)
{
    SystemStartInit();

    return RT_EOK;
}

十四、在applications文件下新建system_deal文件夹，再在system_deal文件下新建system_deal.c和system_deal.h文件

十五、继续在system_deal文件夹下新建system_config.h文件

十六、包含头文件

十七、在system_deal.c中这么写

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2025-03-13     Administrator       the first version
 */

#include "system_deal.h"


/*********************************************************************************************************
 ** Function name:       SystemLedRun
 ** Descriptions:        System Led Run
 ** input parameters:    NONE
 ** output parameters:   NONE
 ** Returned value:      NONE
 *********************************************************************************************************/
static void SystemLedRun(void)
{
    static uint8_t l_ucmode = 0;
    if (l_ucmode == 0)
    {
        rt_pin_write(SYS_LED, PIN_HIGH);
        l_ucmode = 1;
    }
    else if (l_ucmode == 1)
    {
        rt_pin_write(SYS_LED, PIN_LOW);
        l_ucmode = 0;
    }
}

/*********************************************************************************************************
 ** Function name:       SysDeal_thread
 ** Descriptions:        SysDeal thread
 ** input parameters:    parameter
 ** output parameters:   NONE
 ** Returned value:      NONE
 *********************************************************************************************************/
static void SysDeal_thread(void* parameter)
{
    // set pin
    rt_pin_mode(SYS_LED, PIN_MODE_OUTPUT);
    rt_pin_write(SYS_LED, PIN_HIGH);

    while (1)
    {
        SystemLedRun();
        rt_thread_mdelay(500);
    }

}


/*********************************************************************************************************
 ** Function name:       SystemDealTaskInit
 ** Descriptions:        System Task Init
 ** input parameters:    NONE
 ** output parameters:   NONE
 ** Returned value:      NONE
 *********************************************************************************************************/
void SystemDealTaskInit(void)
{
    rt_thread_t SysDeal_tid;
    SysDeal_tid = rt_thread_create("sys_ctl", SysDeal_thread, RT_NULL, SYS_THREAD_STACK, SYS_THREAD_PRO, SYS_THREAD_TICK);
    if (SysDeal_tid != RT_NULL)
    {
        rt_thread_startup(SysDeal_tid);
    }
    else
    {
#if DEBUG_LOG_ENABLE
        rt_kprintf("/--> SysDeal create failed!\n");
#endif
    }
}


/*********************************************************************************************************
 ** Function name:       SystemTaskInit
 ** Descriptions:        System Task Init
 ** input parameters:    NONE
 ** output parameters:   NONE
 ** Returned value:      NONE
 *********************************************************************************************************/
static void SystemTaskInit(void)
{

    SystemDealTaskInit();  // 15


#if SCREEN_CONTROL_ENABLE
    ScreenDealTaskInit(); // 15
#endif





}

/*********************************************************************************************************
 ** Function name:       SystemStartInit
 ** Descriptions:        System Start Init
 ** input parameters:    NONE
 ** output parameters:   NONE
 ** Returned value:      NONE
 *********************************************************************************************************/
void SystemStartInit(void)
{
    SystemTaskInit();
}

十八、在system_deal.h中这么写

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2025-03-13     Administrator       the first version
 */
#ifndef APPLICATIONS_SYSTEM_DEAL_SYSTEM_DEAL_H_
#define APPLICATIONS_SYSTEM_DEAL_SYSTEM_DEAL_H_

#include <rtdevice.h>
#include <rtthread.h>
#include "board.h"
#include "stdio.h"

#include "system_config.h"
#include "screen_deal.h"


/* system io */
#define SYS_LED              GET_PIN(G, 13)

/* thread information */
#define SYS_THREAD_STACK 1024
#define SYS_THREAD_PRO 15
#define SYS_THREAD_TICK 10



extern void SystemStartInit(void);

#endif /* APPLICATIONS_SYSTEM_DEAL_SYSTEM_DEAL_H_ */

十九、system_config.h中这么写

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2025-03-13     Administrator       the first version
 */
#ifndef APPLICATIONS_SYSTEM_DEAL_SYSTEM_CONFIG_H_
#define APPLICATIONS_SYSTEM_DEAL_SYSTEM_CONFIG_H_


/* screen config */
#define SCREEN_CONTROL_ENABLE 1

#endif /* APPLICATIONS_SYSTEM_DEAL_SYSTEM_CONFIG_H_ */

二十、在applications文件夹下新建screen_deal文件夹，再在screen_deal文件夹下新建lcd_font.c、lcd_font.c、screen_deal.c、screen_deal.h文件夹。

二十一、在lcd_font.c中这么写

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2025-03-13     Administrator       the first version
 */

#include "lcd_font.h"
uchar ascii_table_5x7[95][5] = {
    {0x00,0x00,0x00,0x00,0x00}, // space
    {0x00,0x00,0x4f,0x00,0x00}, //!
    {0x00,0x07,0x00,0x07,0x00}, // "
    {0x14,0x7f,0x14,0x7f,0x14}, // #
    {0x24,0x2a,0x7f,0x2a,0x12}, // $
    {0x23,0x13,0x08,0x64,0x62}, // %
    {0x36,0x49,0x55,0x22,0x50}, // &
    {0x00,0x05,0x07,0x00,0x00}, // ]
    {0x00,0x1c,0x22,0x41,0x00}, // (
    {0x00,0x41,0x22,0x1c,0x00}, // )
    {0x14,0x08,0x3e,0x08,0x14}, // *
    {0x08,0x08,0x3e,0x08,0x08}, // +
    {0x00,0x50,0x30,0x00,0x00}, // ,
    {0x08,0x08,0x08,0x08,0x08}, // -
    {0x00,0x60,0x60,0x00,0x00}, //.
    {0x20,0x10,0x08,0x04,0x02}, // /
    {0x3e,0x51,0x49,0x45,0x3e}, // 0
    {0x00,0x42,0x7f,0x40,0x00}, // 1
    {0x42,0x61,0x51,0x49,0x46}, // 2
    {0x21,0x41,0x45,0x4b,0x31}, // 3
    {0x18,0x14,0x12,0x7f,0x10}, // 4
    {0x27,0x45,0x45,0x45,0x39}, // 5
    {0x3c,0x4a,0x49,0x49,0x30}, // 6
    {0x01,0x71,0x09,0x05,0x03}, // 7
    {0x36,0x49,0x49,0x49,0x36}, // 8
    {0x06,0x49,0x49,0x29,0x1e}, // 9
    {0x00,0x36,0x36,0x00,0x00}, // :
    {0x00,0x56,0x36,0x00,0x00}, // ;
    {0x08,0x14,0x22,0x41,0x00}, // <
    {0x14,0x14,0x14,0x14,0x14}, // =
    {0x00,0x41,0x22,0x14,0x08}, // >
    {0x02,0x01,0x51,0x09,0x06}, //?
    {0x32,0x49,0x79,0x41,0x3e}, // @
    {0x7e,0x11,0x11,0x11,0x7e}, // A
    {0x7f,0x49,0x49,0x49,0x36}, // B
    {0x3e,0x41,0x41,0x41,0x22}, // C
    {0x7f,0x41,0x41,0x22,0x1c}, // D
    {0x7f,0x49,0x49,0x49,0x41}, // E
    {0x7f,0x09,0x09,0x09,0x01}, // F
    {0x3e,0x41,0x49,0x49,0x7a}, // G
    {0x7f,0x08,0x08,0x08,0x7f}, // H
    {0x00,0x41,0x7f,0x41,0x00}, // I
    {0x20,0x40,0x41,0x3f,0x01}, // J
    {0x7f,0x08,0x14,0x22,0x41}, // K
    {0x7f,0x40,0x40,0x40,0x40}, // L
    {0x7f,0x02,0x0c,0x02,0x7f}, // M
    {0x7f,0x04,0x08,0x10,0x7f}, // N
    {0x3e,0x41,0x41,0x41,0x3e}, // O
    {0x7f,0x09,0x09,0x09,0x06}, // P
    {0x3e,0x41,0x51,0x21,0x5e}, // Q
    {0x7f,0x09,0x19,0x29,0x46}, // R
    {0x46,0x49,0x49,0x49,0x31}, // S
    {0x01,0x01,0x7f,0x01,0x01}, // T
    {0x3f,0x40,0x40,0x40,0x3f}, // U
    {0x1f,0x20,0x40,0x20,0x1f}, // V
    {0x3f,0x40,0x38,0x40,0x3f}, // W
    {0x63,0x14,0x08,0x14,0x63}, // X
    {0x07,0x08,0x70,0x08,0x07}, // Y
    {0x61,0x51,0x49,0x45,0x43}, // Z
    {0x00,0x7f,0x41,0x41,0x00}, // [
    {0x02,0x04,0x08,0x10,0x20}, // "\"
    {0x00,0x41,0x41,0x7f,0x00}, // ]
    {0x04,0x02,0x01,0x02,0x04}, // ^
    {0x40,0x40,0x40,0x40,0x40}, // _
    {0x01,0x02,0x04,0x00,0x00}, // `
    {0x20,0x54,0x54,0x54,0x78}, // a
    {0x7f,0x48,0x48,0x48,0x30}, // b
    {0x38,0x44,0x44,0x44,0x44}, // c
    {0x30,0x48,0x48,0x48,0x7f}, // d
    {0x38,0x54,0x54,0x54,0x58}, // e
    {0x00,0x08,0x7e,0x09,0x02}, // f
    {0x48,0x54,0x54,0x54,0x3c}, // g
    {0x7f,0x08,0x08,0x08,0x70}, // h
    {0x00,0x00,0x7a,0x00,0x00}, // i
    {0x20,0x40,0x40,0x3d,0x00}, // j
    {0x7f,0x20,0x28,0x44,0x00}, // k
    {0x00,0x41,0x7f,0x40,0x00}, // l
    {0x7c,0x04,0x38,0x04,0x7c}, // m
    {0x7c,0x08,0x04,0x04,0x78}, // n
    {0x38,0x44,0x44,0x44,0x38}, // o
    {0x7c,0x14,0x14,0x14,0x08}, // p
    {0x08,0x14,0x14,0x14,0x7c}, // q
    {0x7c,0x08,0x04,0x04,0x08}, // r
    {0x48,0x54,0x54,0x54,0x24}, // s
    {0x04,0x04,0x3f,0x44,0x24}, // t
    {0x3c,0x40,0x40,0x40,0x3c}, // u
    {0x1c,0x20,0x40,0x20,0x1c}, // v
    {0x3c,0x40,0x30,0x40,0x3c}, // w
    {0x44,0x28,0x10,0x28,0x44}, // x
    {0x04,0x48,0x30,0x08,0x04}, // y
    {0x44,0x64,0x54,0x4c,0x44}, // z
    {0x08,0x36,0x41,0x41,0x00}, // {
    {0x00,0x00,0x77,0x00,0x00}, // |
    {0x00,0x41,0x41,0x36,0x08}, // }
    {0x04,0x02,0x02,0x02,0x01}, // ~
};

uchar ascii_table_8x16[95][16]={

        /*-- 文字: --*/
        /*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*-- 文字: ! --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,

/*-- 文字: " --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*-- 文字: # --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x40,0xC0,0x78,0x40,0xC0,0x78,0x40,0x00,0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00,

/*-- 文字: $ --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x70,0x88,0xFC,0x08,0x30,0x00,0x00,0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00,

/*-- 文字: % --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0xF0,0x08,0xF0,0x00,0xE0,0x18,0x00,0x00,0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00,

/*-- 文字: & --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00,0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10,

/*-- 文字: ' --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x10,0x16,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*-- 文字: ( --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00,0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,

/*-- 文字: ) --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,

/*-- 文字: * --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00,0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,

/*-- 文字: + --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00,

/*-- 文字: , --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,

/*-- 文字: - --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,

/*-- 文字: . --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,

/*-- 文字: / --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0x00,0x00,0x80,0x60,0x18,0x04,0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00,

/*-- 文字: 0 --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,

/*-- 文字: 1 --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,

/*-- 文字: 2 --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,

/*-- 文字: 3 --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,

/*-- 文字: 4 --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,

/*-- 文字: 5 --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,

/*-- 文字: 6 --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,

/*--  ����:  7  --*/
/*--  Comic Sans MS12;  �������¶�Ӧ�ĵ���Ϊ����x��=8x16   --*/
0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,

/*-- 文字: 8 --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,

/*-- 文字: 9 --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,

/*-- 文字: : --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,

/*-- 文字: ; --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00,

/*-- 文字: < --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00,

/*-- 文字: = --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,

/*-- 文字: > --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00,

/*-- 文字: ? --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x70,0x48,0x08,0x08,0x08,0xF0,0x00,0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00,

/*-- 文字: @ --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00,0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00,

/*-- 文字: A --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,

/*-- 文字: B --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00,

/*-- 文字: C --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,

/*-- 文字: D --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,

/*-- 文字: E --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,

/*-- 文字: F --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00,

/*-- 文字: G --*/
/*-- Comic Sans MS12; 此字体下对应的点阵为：宽 x 高=8x16 --*/
0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00,

/*--  文字:  H  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,

/*--  文字:  I  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,

/*--  文字:  J  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00,

/*--  文字:  K  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00,0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00,

/*--  文字:  L  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,

/*--  文字:  M  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,

/*--  文字:  N  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08,0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00,

/*--  文字:  O  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,

/*--  文字:  P  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,

/*--  文字:  Q  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,

/*--  文字:  R  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,

/*--  文字:  S  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,

/*--  文字:  T  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,

/*--  文字:  U  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,

/*--  文字:  V  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,

/*--  文字:  W  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0xF8,0x08,0x00,0xF8,0x00,0x08,0xF8,0x00,0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00,

/*--  文字:  X  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08,0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20,

/*--  文字:  Y  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,

/*--  文字:  Z  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00,0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00,

/*--  文字:  [  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,

/*--  文字:  \  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x0C,0x30,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00,

/*--  文字:  ]  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,

/*--  文字:  ^  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x04,0x02,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:  _  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,

/*--  文字:  `  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:  a  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,

/*--  文字:  b  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,

/*--  文字:  c  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,

/*--  文字:  d  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00,0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,

/*--  文字:  e  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,

/*--  文字:  f  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,

/*--  文字:  g  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,

/*--  文字:  h  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,

/*--  文字:  i  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,

/*--  文字:  j  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,

/*--  文字:  k  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,

/*--  文字:  l  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,

/*--  文字:  m  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,

/*--  文字:  n  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,

/*--  文字:  o  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,

/*--  文字:  p  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,

/*--  文字:  q  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,

/*--  文字:  r  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,

/*--  文字:  s  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,

/*--  文字:  t  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,

/*--  文字:  u  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,

/*--  文字:  v  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,

/*--  文字:  w  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80,0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,

/*--  文字:  x  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,

/*--  文字:  y  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,

/*--  文字:  z  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,

/*--  文字:  {  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02,0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,

/*--  文字:  |  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,

/*--  文字:  }  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,

/*--  文字:  ~  --*/
/*--  Comic Sans MS12;  此字体下对应的点阵为：宽x高=8x16   --*/
0x00,0x06,0x01,0x01,0x02,0x02,0x04,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00

};

二十二、在lcd_font.h中这么写

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2025-03-13     Administrator       the first version
 */
#ifndef APPLICATIONS_SCREEN_DEAL_LCD_FONT_H_
#define APPLICATIONS_SCREEN_DEAL_LCD_FONT_H_

#define uchar unsigned char
#define uint unsigned int

extern uchar ascii_table_5x7[95][5];
extern uchar ascii_table_8x16[95][16];



#endif /* APPLICATIONS_SCREEN_DEAL_LCD_FONT_H_ */

二十三、在screen_deal.c中这么写

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2025-03-13     Administrator       the first version
 */

#include "screen_deal.h"

#include "lcd_font.h"

void gpio_init(void)
{
    rt_pin_mode(MCU_DSP_CS0, PIN_MODE_OUTPUT);
    rt_pin_mode(MCU_DSP_RST, PIN_MODE_OUTPUT);
    rt_pin_mode(MCU_DSP_CD, PIN_MODE_OUTPUT);
    rt_pin_mode(MCU_DSP_SCK, PIN_MODE_OUTPUT);
    rt_pin_mode(MCU_DSP_SDA, PIN_MODE_OUTPUT);

    rt_pin_write(MCU_DSP_CS0, PIN_HIGH);
    rt_pin_write(MCU_DSP_RST, PIN_HIGH);

}

/*写数据到 LCD 模块*/
void transfer_data(int data1)
{
    char i;
    rt_pin_write(MCU_DSP_CS0, PIN_LOW);
    rt_pin_write(MCU_DSP_CD, PIN_HIGH);
    for(i=0;i<8;i++)
    {
        rt_pin_write(MCU_DSP_SCK, PIN_LOW);
        if(data1&0x80)
        {
            rt_pin_write(MCU_DSP_SDA, PIN_HIGH);
        }
        else
        {
            rt_pin_write(MCU_DSP_SDA, PIN_LOW);
        }
        rt_pin_write(MCU_DSP_SCK, PIN_HIGH);
        data1 <<= 1;
    }
}
/*写指令到 LCD 模块*/
void transfer_command(int data1)
{
    char i;
    rt_pin_write(MCU_DSP_CS0, PIN_LOW);
    rt_pin_write(MCU_DSP_CD, PIN_LOW);
    for(i=0;i<8;i++)
    {
        rt_pin_write(MCU_DSP_SCK, PIN_LOW);
        if(data1&0x80)
        {
            rt_pin_write(MCU_DSP_SDA, PIN_HIGH);

        }
        else
        {
            rt_pin_write(MCU_DSP_SDA, PIN_LOW);
        }
        rt_pin_write(MCU_DSP_SCK, PIN_HIGH);
        data1 <<= 1;
    }
}



void lcd_address(uchar page,uchar column)
{
    rt_pin_write(MCU_DSP_CS0, PIN_LOW);
    column=column-1;                            //我们平常所说的第 1 列，在 LCD 驱动 IC 里是第 0 列。所以在这里减去 1
    page=page-1;
    transfer_command(0xb0+page);                //设置页地址。每页是 8 行。一个画面的 64 行被分成 8 个页。我们平常所说的第 1 页，在 LCD 驱动 IC 里是第 0 页，所以在这里减去 1*/
    transfer_command(((column>>4)&0x0f)+0x10);  //设置列地址的高 4 位
    transfer_command(column&0x0f);              //设置列地址的低 4 位
}
/*全屏清屏*/
void clear_screen()
{
    unsigned char i,j;
    rt_pin_write(MCU_DSP_CS0, PIN_LOW);
    for(i=0;i<9;i++)
    {
        lcd_address(1+i,1);
        for(j=0;j<132;j++)
        {
            transfer_data(0x00);
        }
    }
    rt_pin_write(MCU_DSP_CS0, PIN_HIGH);
}


/*显示 16x32 点阵图像、汉字、生僻字或 16x32 点阵的其他图标*/
void display_graphic_16x32(uchar page,uchar column,uchar *dp)
{
    uchar i,j;
    rt_pin_write(MCU_DSP_CS0, PIN_LOW);
    for(j=0;j<4;j++)
    {
        lcd_address(page+j,column);
        for (i=0;i<16;i++)
        {
            transfer_data(*dp);     /*写数据到 LCD,每写完一个 8 位的数据后列地址自动加 1*/
            dp++;
        }
    }
    rt_pin_write(MCU_DSP_CS0, PIN_HIGH);
}

/*显示 32x32 点阵图像、汉字、生僻字或 32x32 点阵的其他图标*/
void display_graphic_32x32(uchar page,uchar column,uchar *dp)
{
    uchar i,j;
    rt_pin_write(MCU_DSP_CS0, PIN_LOW);
    for(j=0;j<4;j++)
    {
        lcd_address(page+j,column);
        for (i=0;i<31;i++)
        {
            transfer_data(*dp);     /*写数据到 LCD,每写完一个 8 位的数据后列地址自动加 1*/
            dp++;
        }
    }
    rt_pin_write(MCU_DSP_CS0, PIN_HIGH);
}


/*显示 16x16 点阵图像、汉字、生僻字或 16x16 点阵的其他图标*/
void display_graphic_16x16(uchar page,uchar column,uchar *dp)
{
    uchar i,j;
    rt_pin_write(MCU_DSP_CS0, PIN_LOW);
    for(j=0;j<2;j++)
    {
        lcd_address(page+j,column);
        for (i=0;i<16;i++)
        {
            transfer_data(*dp);     /*写数据到 LCD,每写完一个 8 位的数据后列地址自动加 1*/
            dp++;
        }
    }
    rt_pin_write(MCU_DSP_CS0, PIN_HIGH);
}

/*显示 8x16 点阵图像、ASCII, 或 8x16 点阵的自造字符、其他图标*/
void display_graphic_8x16(uchar page,uchar column,uchar *dp)
{
    uchar i,j;
    rt_pin_write(MCU_DSP_CS0, PIN_LOW);
    for(j=0;j<2;j++)
    {
        lcd_address(page+j,column);
        for (i=0;i<8;i++)
        {
            transfer_data(*dp);                 /*写数据到 LCD,每写完一个 8 位的数据后列地址自动加 1*/
            dp++;
        }
    }
    rt_pin_write(MCU_DSP_CS0, PIN_HIGH);
}

void display_string_8x16(uint page,uint column,uchar *text)
{
    uint i=0,j,k,n;
    rt_pin_write(MCU_DSP_CS0, PIN_LOW);
    while(text[i]>0x00)
    {
        if((text[i]>=0x20)&&(text[i]<=0x7e))
        {
            j=text[i]-0x20;
            for(n=0;n<2;n++)
            {
                lcd_address(page+n,column);
                for(k=0;k<8;k++)
                {
                    transfer_data(ascii_table_8x16[j][k+8*n]);/*显示 8x16 的 ASCII 字到 LCD 上，y 为页地址，x 为列地址，最后为数据*/
                }
            }
            i++;
            column+=8;

        }
        else
        i++;
    }
}

void display_string_5x7(uint page, uint column, uchar *text)
{
    uint i=0,j,k;
    rt_pin_write(MCU_DSP_CS0, PIN_LOW);
    while(text[i] > 0x00)
    {
        if((text[i]>=0x20)&&(text[i]<0x7e))
        {
            j=text[i] - 0x20;
            lcd_address(page,column);
            for(k=0;k<5;k++)
            {
                transfer_data(ascii_table_5x7[j][k]);/*显示 5x7 的 ASCII 字到 LCD 上，y 为页地址，x 为列地址，最后为 数据*/
            }
            i++;
            column+=6;
        }
        else
        {
            i++;
        }
    }
}


//==================display a piture of 128*64 dots================
void disp_grap(char *dp)
{
    int i,j;
    for(i=0;i<8;i++)
    {
        rt_pin_write(MCU_DSP_CS0, PIN_LOW);
        transfer_command(0xb0+i);
        transfer_command(0x10);
        transfer_command(0x00);
        for(j=0;j<128;j++)
        {
            transfer_data(*dp);
            dp++;
        }
    }
}
// 横向滚动文字
void scroll_text_demo()
{
    char *text = "RT-Thread Smart IoT System! ";
    int pos = 128; // 初始位置在屏幕右侧

    while(1) {
        clear_screen();
        display_string_8x16(3, pos, text);
        rt_thread_mdelay(60);

        if(--pos < -24*8) // 根据文本长度调整
            pos = 128;
    }
}



// 纵向滚动文字
void vertical_scroll_demo()
{
    uint8_t page = 8;
    char *text = "Hello RT-Thread!";

    while(1) {
        for(int i=0; i<8; i++) {
            clear_screen();
            display_string_8x16(page-i, 20, text);
            rt_thread_mdelay(200);
        }
    }
}


/*LCD 模块初始化*/
void initial_lcd()
{
    gpio_init();
    rt_pin_write(MCU_DSP_CS0, PIN_LOW);   //片选引脚，低电平进行使能
    rt_pin_write(MCU_DSP_RST, PIN_LOW);   /*低电平硬件复位*/
    rt_thread_mdelay(100);    /*复位完毕*/
    rt_pin_write(MCU_DSP_RST, PIN_HIGH);  //复位引脚拉高，停止硬件复位
    rt_thread_mdelay(100);
    transfer_command(0xe2);  /*软复位*/
    rt_thread_mdelay(5);
    transfer_command(0x2c);  /*升压步聚 1*/
    rt_thread_mdelay(5);
    transfer_command(0x2e);  /*升压步聚 2*/
    rt_thread_mdelay(5);
    transfer_command(0x2f);  /*升压步聚 3*/
    rt_thread_mdelay(5);
    transfer_command(0x24);  /*粗调对比度，可设置范围 0x20～0x27*/
    transfer_command(0x81);  /*微调对比度*/
    transfer_command(0x1a);  /*0x1a,微调对比度的值，可设置范围 0x00～0x3f*/
    transfer_command(0xa3);  /*1/9 偏压比（bias）*/
    transfer_command(0xc8);  /*行扫描顺序：从下到上*/
    transfer_command(0xa0);  /*列扫描顺序：从右到左*/
    transfer_command(0x60);  /*起始行：第一行开始*/
    transfer_command(0xaf);  /*开显示*/

    rt_pin_write(MCU_DSP_CS0, PIN_HIGH);
}

static void ScreenDeal_thread(void* parameter)
{
    char str[64];
    initial_lcd();  //lcd初始化
    clear_screen(); //lcd清屏

    while (1)
    {
        sprintf(str, "%s ", "wuyoheihei~!!");

       display_string_5x7(3, 50, str);
       rt_thread_mdelay(50);
    }
}


void ScreenDealTaskInit(void)
{
    rt_thread_t Screen_tid;

    Screen_tid = rt_thread_create("scn_ctl", ScreenDeal_thread, RT_NULL, SCREEN_THREAD_STACK, SCREEN_THREAD_PRO, SCREEN_THREAD_TICK);
    if (Screen_tid != RT_NULL)
    {
        rt_thread_startup(Screen_tid);
    }
    else
    {
#if DEBUG_LOG_ENABLE
        rt_kprintf("/--> Screen create failed!\n");
#endif
    }
}

二十四、在screen_deal.h中这么写

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2025-03-13     Administrator       the first version
 */
#ifndef APPLICATIONS_SCREEN_DEAL_SCREEN_DEAL_H_
#define APPLICATIONS_SCREEN_DEAL_SCREEN_DEAL_H_

#include <rtthread.h>
#include <rtdevice.h>
#include <board.h>
#include <Ctype.h>

#include "stdio.h"

#define COL(x, per_word) (x*per_word)

/* screen param */
#define SCREEN_THREAD_STACK     2048
#define SCREEN_THREAD_PRO       16
#define SCREEN_THREAD_TICK      10


/*********************************screen*************************************************/
#define MCU_DSP_CS0      GET_PIN(E, 2)
#define MCU_DSP_RST      GET_PIN(E, 3)
#define MCU_DSP_CD       GET_PIN(E, 4)
#define MCU_DSP_SCK      GET_PIN(E, 5)
#define MCU_DSP_SDA      GET_PIN(E, 6)

extern void ScreenDealTaskInit(void);

#endif /* APPLICATIONS_SCREEN_DEAL_SCREEN_DEAL_H_ */

二十五、包含头文件

二十六、编译通过，有一些警告是有关变量类型的，不用在意

二十七、在这个屏幕线程里改这里就能显示出文字

二十八、下载程序后就能在屏幕上显示出字了

二十九、这里的3表示第3行，50表示第50列

三十、这个是LCD的初始化，具体指令的含义需要对照指令表查看

三十一、这里是与LCD通信的IO口，具体可以根据实际使用情况进行修改