文章目錄
1 準備 2 建立工程 2.1 檔案目錄 2.2 創建工程 2.3 添加檔案 2.4 配置工程
3 編譯工程
??相比51單片機,STM32單片機開發難度相對較高,工程比51單片機也大了不少,許多朋友在學習STM32之初很容易卡建立工程這一步,本文根據自己的經驗向大家介紹STM32工程建立的步驟(以KEIL、STM32F1系列為例),
STM32F1系列模板 :下載地址
1 準備
??開發STM32需要具備以下條件:
KEIL MDK版本:下載地址 STM32F1 KEIL韌體包:下載地址 程式下載器(如JLINK,ST-LINK等等)
該網址屬于外網,可以通過迅雷接管下載提高下載速度
2 建立工程
2.1 檔案目錄
??STM32工程檔案相對較多,通過多個檔案夾管理不同型別的檔案便于工程的管理、移植,下例為我常用的檔案目錄,
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template
pro
src
main
hardware
core
stdlib
template:工程根目錄
pro:keil工程存放目錄 ? src:源檔案存放目錄,一般為.c, .cpp, .h, .s檔案
main:主要存放一些用戶檔案,main.c常存放在這個目錄 hardware:存放一些外設的驅動 core:主要存放系統組態檔、啟動檔案等 stdlib:存放標準庫
2.2 創建工程
點擊紅色箭頭指向的選項,選擇工程路徑為template/pro,輸入工程名字 選擇芯片型號,示例選擇的是STM32F103ZET6(Z代表的是引腳數量,E代表的是芯片記憶體大小) 遇到該視窗可以直接選擇ok,不用進行額外的勾選(也可以在這里進行檔案的配置,但我直接使用的是標準庫,所以不需要進行這些操作)
2.3 添加檔案
接下來就是創建KEIL工程目錄了,點擊紅色箭頭指向的方向(該目錄最好與檔案目錄中的src子目錄一致) 工程目錄創好之后如下(Groups中的內容就是工程目錄,第三個框框Files是往目錄添加檔案) 這里我省略添加檔案的程序,結果如下: main檔案夾下存放的檔案 core檔案夾下存放的檔案 stdlib檔案夾下存放的檔案
keil里面添加的檔案
startup_stm32f10x_h d.s為啟動檔案,該檔案的選取與芯片型號有關主要與如:STM32F103ZE T6中的E有關,前面啟動檔案中的h為大記憶體產品,一般有l,m,h三種型別的啟動檔案,分別對應小記憶體、中等記憶體、大記憶體產品,芯片型號中的的E位置的字母排序越靠后記憶體越大 stdlib這里可以只添加需要的源檔案,但一開始不熟悉模塊可以全部添加
注:hardware為用戶自定義的驅動檔案,在使用的時候自行添加進去就可以
2.4 配置工程
??STM32使用了較多的宏,且運行機制較為復雜,所以需要對工程進行配置,前面完成了工程創建,檔案添加,接下來需要對工程進行配置,
2.4.1 添加宏定義
首先打開魔法棒 添加宏定義,在紅色方框中輸入STM32F10X_HD ,USE_STDPERIPH_DRIVER STM32F10X_HD與選擇的芯片型號有關,與前面選擇的startup_stm32_hd.s相對應,產品容量規格在stm32 datasheet中有說明 該選項也可以填寫其他的定義,每個宏定義之間用,隔開,該宏定義對程式所有檔案都適用
2.4.2 添加頭檔案路徑
??與上面宏定義添加同一個界面,添加頭檔案目錄包含(只有添加了頭檔案路徑編譯器在編譯時才能找到頭檔案,所有需要用到的頭檔案路徑都需要添加) 已添加路徑的頁面
3 編譯工程
紅色箭頭指向的兩個按鍵都可以編譯,第一個箭頭指向的是部分編譯(只編譯修改過的檔案),第二個是完全編譯(編譯工程中所有的的C檔案),建議使用部分編譯(速度快),編譯之后輸出0 Errors, 0 Warnings表示編譯成功(有警告可能不會影響編譯結果,有錯誤一定編譯失敗),至此,整個工程就新建完成了,之后在使用程序可以根據自己要求添加模塊,