请问火哥：BH-MSD4805驱动模块 F103指南者版 定时器编译出错

lgh1314

请问为啥编译会出错呐？？


*** Using Compiler 'V5.05 update 2 (build 169)', folder: 'd:\Keil_v5\ARM\ARMCC\Bin'
Build target '步进电机驱动'
compiling MicroStepDriver.c...
..\..\User\MSD\MicroStepDriver.c(119): error:  #268: declaration may not appear after executable statement in block
        TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
..\..\User\MSD\MicroStepDriver.c(135): error:  #268: declaration may not appear after executable statement in block
        TIM_OCInitTypeDef  TIM_OCInitStructure;
..\..\User\MSD\MicroStepDriver.c: 0 warnings, 2 errors
compiling MSD_test.c...
"..\..\Output\MSD.axf" - 2 Error(s), 0 Warning(s).
Target not created.
Build Time Elapsed:  00:00:02

flyleaf

刚刚测试了，没问题： BH-MSD4805测试程序.zip (367.14 KB, 下载次数: 41)

2017-4-10 17:20 上传

点击文件名下载附件

如果是自己修改了程序，编译错误提示你  注意一下你定义的变量要放在执行的代码前面

lgh1314

   /*--------------------ê±»ù½á11ìå3õê¼»ˉ-------------------------*/
        TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
        TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
    // ×Ô¶ˉÖØ×°ÔؼÄ′æÆ÷μÄÖμ￡¬àÛ¼ÆTIM_Period+1¸öÖüÆúoó2úéúò»¸ö¸üD»òÕßÖD¶Ï
        TIM_TimeBaseStructure.TIM_Period=MSD_PULSE_TIM_PERIOD;       
        // Çy¶ˉCNT¼ÆêyÆ÷μÄê±Öó = Fck_int/(psc+1)
        TIM_TimeBaseStructure.TIM_Prescaler= MSD_PULSE_TIM_PSC;       
        // ê±Öó·ÖÆμòò×ó ￡¬ÅäÖÃËàÇøê±¼äê±DèòaóÃμ½
        TIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1;               
        // ¼ÆêyÆ÷¼ÆêyÄ￡ê½￡¬éèÖÃÎaÏòéϼÆêy
        TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up;               
        // Öظ′¼ÆêyÆ÷μÄÖμ￡¬×î′óÖμÎa255
        //TIM_TimeBaseStructure.TIM_RepetitionCounter=0;       
        // 3õê¼»ˉ¶¨ê±Æ÷
        TIM_TimeBaseInit(MSD_PULSE_TIM, &TIM_TimeBaseStructure);

        /*--------------------êä3ö±è½Ï½á11ìå3õê¼»ˉ-------------------*/               
        TIM_OCInitTypeDef  TIM_OCInitStructure;
        // ÅäÖÃÎaPWMÄ￡ê½2
        TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;

lgh1314

flyleaf 发表于 2017-4-10 17:21
刚刚测试了，没问题：

如果是自己修改了程序，编译错误提示你  注意一下你定义的变量要放在执行的代码前 ...

好的，编译没问题了

lgh1314

flyleaf 发表于 2017-4-10 17:21
刚刚测试了，没问题：

如果是自己修改了程序，编译错误提示你  注意一下你定义的变量要放在执行的代码前 ...

但是下载又出了个问题      错误：Flash下载失败“Cortex-M3”           这个是工程没配置好么？

Target info:
------------
Device: STM32F103ZE
VTarget = 3.361V
State of Pins:
TCK: 1, TDI: 0, TDO: 1, TMS: 0, TRES: 1, TRST: 1
Hardware-Breakpoints: 6
Software-Breakpoints: 8192
Watchpoints:          4
JTAG speed: 5000 kHz

No Algorithm found for: 08000000H - 08003913H
Erase skipped!
Error: Flash Download failed  -  "Cortex-M3"
Flash Load finished at 21:19:55