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请教各位高手，本人前一段时间学习移植STEmWin 5.44，现在用到了别的地方。开发平台是STM32L4R9系列单片机，之前没有外置SDRAM芯片，用的是自带的RAM,RAM容量是640Kbyte，flash是1M。我的显示屏是536*240分辨率和MIPIDSI接口。我的驱动办法是在单片机内部定义一个分辨率（300多K）大小的数组，用LTDC-DMA将数组定时发送到显示屏的GRAM上来刷新界面。画点函数就是在数组里面写数据，目前结果是写字，画框这些函数都可以正常执行，但是绘制窗口和按钮控件的时候显示不出来。定义内存是#define GUI_NUMBYTES (1024*150)，窗口很简单。在电脑上仿真是正常的，程序如下，
#include "MainTask.h"
#define ID_FRAMEWIN_0 (GUI_ID_USER + 0x00)
#define ID_BUTTON_0 (GUI_ID_USER + 0x01)
#define ID_BUTTON_1 (GUI_ID_USER + 0x02)
// USER START (Optionally insert additional defines)
// USER END
/*********************************************************************
*
* Static data
*
**********************************************************************
*/
// USER START (Optionally insert additional static data)
// USER END
/*********************************************************************
*
* _aDialogCreate
*/
static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {
{ FRAMEWIN_CreateIndirect, "Abc", ID_FRAMEWIN_0, 0, 0, 276, 118, 0, 0x0, 0 },
{ BUTTON_CreateIndirect, "Button", ID_BUTTON_0, 84, 0, 95, 59, 0, 0x0, 0 },
{ BUTTON_CreateIndirect, "Button", ID_BUTTON_1, 0, 0, 80, 20, 0, 0x0, 0 },
// USER START (Optionally insert additional widgets)
// USER END
};
/*********************************************************************
*
* Static code
*
**********************************************************************
*/
// USER START (Optionally insert additional static code)
// USER END
/*********************************************************************
*
* _cbDialog
*/
static void _cbDialog(WM_MESSAGE * pMsg) {
WM_HWIN hItem;
int NCode;
int Id;
// USER START (Optionally insert additional variables)
// USER END
switch (pMsg->MsgId) {
case WM_INIT_DIALOG:
//
// Initialization of 'Abc'
//
hItem = pMsg->hWin;
FRAMEWIN_SetFont(hItem, GUI_FONT_32_ASCII);
// USER START (Optionally insert additional code for further widget initialization)
// USER END
break;
case WM_NOTIFY_PARENT:
Id = WM_GetId(pMsg->hWinSrc);
NCode = pMsg->Data.v;
switch(Id) {
case ID_BUTTON_0: // Notifications sent by 'Button'
switch(NCode) {
case WM_NOTIFICATION_CLICKED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
case WM_NOTIFICATION_RELEASED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
// USER START (Optionally insert additional code for further notification handling)
// USER END
}
break;
case ID_BUTTON_1: // Notifications sent by 'Button'
switch(NCode) {
case WM_NOTIFICATION_CLICKED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
case WM_NOTIFICATION_RELEASED:
// USER START (Optionally insert code for reacting on notification message)
// USER END
break;
// USER START (Optionally insert additional code for further notification handling)
// USER END
}
break;
// USER START (Optionally insert additional code for further Ids)
// USER END
}
break;
// USER START (Optionally insert additional message handling)
// USER END
default:
WM_DefaultProc(pMsg);
break;
}
}
/*********************************************************************
*
* Public code
*
**********************************************************************
*/
/*********************************************************************
*
* CreateAbc
*/
WM_HWIN CreateAbc(void);
WM_HWIN CreateAbc(void) {
WM_HWIN hWin;
hWin = GUI_CreateDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate), _cbDialog, WM_HBKWIN, 0, 0);
return hWin;
}
/*
*********************************************************************************************************
* 函 数 名: MainTask
* 功能说明: GUI主函数
* 形 参: 无
* 返 回 值: 无
*********************************************************************************************************
*/
void MainTask(void)
{
/* 初始化 */
GUI_Init();
CreateAbc();
while(1)
{
GUI_Delay(500);
}
}
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发表于 2019-12-13 08:51:36
楼主
发表于 2019-12-13 09:48:58
