裸机一直STemWin出现如下错误

wfmartin28

eric2013

是因为你没有提供这些函数，裸机的情况下也要提供的，在这个文件GUI_X.c里面。
#include "GUI.h"

/*********************************************************************
*
*       Global data
*/
volatile GUI_TIMER_TIME OS_TimeMS;

/*********************************************************************
*
*      Timing:
*                 GUI_X_GetTime()
*                 GUI_X_Delay(int)

  Some timing dependent routines require a GetTime
  and delay function. Default time unit (tick), normally is
  1 ms.
*/

GUI_TIMER_TIME GUI_X_GetTime(void) {
  return OS_TimeMS;
}

void GUI_X_Delay(int ms) {
  int tEnd = OS_TimeMS + ms;
  while ((tEnd - OS_TimeMS) > 0);
}

/*********************************************************************
*
*       GUI_X_Init()
*
* Note:
*     GUI_X_Init() is called from GUI_Init is a possibility to init
*     some hardware which needs to be up and running before the GUI.
*     If not required, leave this routine blank.
*/

void GUI_X_Init(void) {}


/*********************************************************************
*
*       GUI_X_ExecIdle
*
* Note:
*  Called if WM is in idle state
*/

void GUI_X_ExecIdle(void) {}

/*********************************************************************
*
*      Logging: OS dependent

Note:
  Logging is used in higher debug levels only. The typical target
  build does not use logging and does therefor not require any of
  the logging routines below. For a release build without logging
  the routines below may be eliminated to save some space.
  (If the linker is not function aware and eliminates unreferenced
  functions automatically)

*/

void GUI_X_Log     (const char *s) { GUI_USE_PARA(s); }
void GUI_X_Warn    (const char *s) { GUI_USE_PARA(s); }
void GUI_X_ErrorOut(const char *s) { GUI_USE_PARA(s); }

/*************************** End of file ****************************/