---【程序说明】---
(1)程序摘要:基于BIOS的STM32L431工程
(2)运行芯片:本工程基于BIOS运行,不从0启动
(3)软件环境:AHL-GEC-IDE,兼容STM32cubeIDE
(4)硬件环境:AHL-STM32L431,实质是只要是STM32L431即可,
接AHL-GEC扩展板,有三色灯指示
(5)硬件连接:见"..\05_UserBoard\user"文件
(6)功能简述:
① 蓝灯约每秒闪烁一次;
② 按照user.inc文件要求连接用户串口,
利用开发环境“工具”→“串口工具”,
向MCU发送一个字符,MCU会返回一个字符
---【何把User程序改为直接从零启动程序(只有两处)】---
(1)03_MCU文件夹中的.ld中,
GEC_USER_SECTOR_START =0; /*USER程序开始扇区号*/
(2)04_GEC文件夹中gec.h文件
#define GEC_USER_SECTOR_START (0)
这样的程序,删除Debug,重新编译后,使用SWD写入器下载,直接运行,不需要BIOS
---移植规则---【20200806】
不同芯片BIOS及User框架基本规则
02_CPU 该文件夹除cpu.h之外,其他文件BIOS工程与User工程同
cpu.h 变动(1)~(2),根据MCU型号变动
03_MCU mcu.h 变动(1)~(3),根据MCU型号变动,且BIOS工程与User工程同
在该文件中修改MCU型号及BIOS版本号
.ld文件:根据MCU型号变动,且BIOS工程与User工程不同
.s文件:改动类似BSS处,且BIOS工程与User工程不同
04_GEC 各芯片BIOS工程一致,
各芯片User工程一致,但同芯片BIOS与User工程的04_GEC
内容不同
05_UserBoard BIOS中除去User.h根据MCU型号变动,其他文件相同
06、07文件夹:各芯片BIOS相同,同功能的User相同
---版本历史---
【20200830】 V3.5 规范程序,规范对于User模板,适应RTOS
【20200829】 V3.4 复位后重置动态命令
【20200812】修改.s文件,缺省中断,直接返回
【20200630】(1)获取对应芯片的官方工程样例。
(2)参照本BIOS标准工程,整理工程文件夹结构。
01_Doc:存放makefile文件和其他说明文档
02_CPU:存放内核头文件。
复制本工程中的cpu.h,根据可移植性标识
对【变动】部分加以改动,使之适应目标芯片。
03_MCU:存放链接文件、启动文件和基本驱动(gpio、uart、flash)。
复制本工程中的mcu.h,根据可移植性标识对【变动】部分加以改动,
使之适应目标芯片。
链接文件的修改:复制本工程链接文件的第(1)部分并加以改动,
使之适应目标芯片。Flash字段中各分段的赋值方式直接拷贝本工
程链接文件的第(2)部分。Section字段将本工程的第(3)部分
中头部的【固定】部分复制并添加至头部。
参照标准工程链接文件将存储空间分为对应的分段。
其中BIOS分段的大小在编译后根据程序大小,取最小的值。
动态命令分段、构建函数列表分段均取4KB大小左右,视存储空间大小,
构建函数代码分段可取10KB及以上。
在对应的SECTIONS断中同样对各个分段给出对应的定义。
04_GEC、05_UserBoard、06_SoftComponent、07_NosPrg直接拷贝。
对gec.h和user.h中【变动】部分加以改动,使之适应目标芯片
【20200526】V3.0 (1)MCU_TYPE改为3.0;(2)删除mcu.h中无用定义;
(3)修改类型转换构件名及内部函数名
没有合适的资源?快使用搜索试试~ 我知道了~
stm32嵌入式实验考核45
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2024-01-25
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利用“20-德飞莱-双色发光二极管模块”、 “22-德飞莱-贴片 RGB 三色 LED 模块”、 “23-德飞莱-话筒声音检测模块”、 “24-德飞莱 -人体触摸模块”、“ 25-德飞莱-火焰传感模块”、“26-德飞莱-红外 避障模块”,“27-德飞莱-一路循迹模块” 综合实现不同传感器开 关触发后串口调试助手输出提示信息。
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