标签:emwin cat raw ESS delete ret printf 分栏 gif
1 //界面实现 2 static void _cbDummy(WM_MESSAGE* pMsg){ 3 int Id, NCode; 4 int hour, min, second, tim; 5 WM_HWIN hWin; 6 char temp[4], temp1[4]; 7 char tim_t[10]; 8 hWin = pMsg->hWin; 9 // create_basePage(); 10 switch (pMsg->MsgId) { 11 case WM_CREATE: 12 WM_CreateTimer(hWin, 0, 1000, 0); 13 break; 14 case WM_TIMER: 15 WM_RestartTimer(pMsg->Data.v, 1000); 16 //时间格式转换 17 break; 18 case WM_PAINT: 19 create_basePage(); //每次都重绘背景和标题 20 break; 21 22 case WM_NOTIFY_PARENT: 23 Id = WM_GetId(pMsg->hWinSrc); 24 NCode = pMsg->Data.v; 25 switch(Id) { 26 case ID_BUTTON_0: //设置 27 switch(NCode) { 28 case WM_NOTIFICATION_CLICKED: 29 break; 30 case WM_NOTIFICATION_RELEASED: 31 if(controlSet==0) { 32 controlSet = 1; 33 BUTTON_SetText(setbutton, Font_Back); 34 //BUTTON_SetText(setbutton, "返回"); 35 hWinSet1 = CreateSetWindow(); 36 BUTTON_SetBitmapEx(setbutton, BUTTON_BI_UNPRESSED, &bmstart1, 32, 2); 37 }else { 38 controlSet = 0; 39 BUTTON_SetText(setbutton, Font_Set); 40 //BUTTON_SetText(setbutton, "设置"); 41 WM_DeleteWindow(hWinSet1); 42 BUTTON_SetBitmapEx(setbutton, BUTTON_BI_UNPRESSED, &bmstart, 32, 2); 43 } 44 break; 45 } 46 break; 47 48 case ID_BUTTON_1: //启动/停止 49 switch(NCode) { 50 case WM_NOTIFICATION_CLICKED: 51 break; 52 case WM_NOTIFICATION_RELEASED: 53 if(startOrStop==0){ 54 startOrStop = 1; 55 printf("start\n"); 56 }else { 57 startOrStop = 0; 58 printf("stop\n"); 59 } 60 invalidStartButton(hWin); 61 break; 62 } 63 break; 64 } 65 break; 66 67 default: 68 WM_DefaultProc(pMsg); 69 break; 70 } 71 } 72 73 74 WM_HWIN CreateWindow(void) { 75 //get_gif(); //显示开机动画 76 BUTTON_SetDefaultSkinClassic(); //使用经典皮肤 77 hWinBase = WM_CreateWindow(0, 0, 480, 320, WM_CF_SHOW, _cbDummy, 0); 78 return hWinBase; 79 }
emwin中自己创建窗口,并且将所有的界面都放在WM_PAINT下面,运行定时器的时候,总是卡死,一直找不到原因,最后发现可能是内存不足,找到原因是
create_basePage(); //每次都重绘背景和标题
每次都重绘整个页面然后又没有清除导致内存不足,进行不断的尝试,发现create_basePage();放在WM_PAINT之外,不能画矩形设置背景色,并且按钮的监听也有问题,
最后只能重写,写完之后,WM_PAINT只需要放置画矩形,需要重绘的控件就能实现功能,并且也不会内存不足,引以为戒!
case WM_PAINT: GUI_Clear(); GUI_DrawGradientV(0, 0, LCD_GetXSize(), LCD_GetYSize(), GUI_LIGHTGREEN, 0x71B33C); //渐变色填充 GUI_SetPenSize(1); //画笔像素 1 GUI_SetColor(GUI_BLACK); //画笔颜色黑色 GUI_DrawRect(1, 1, 388, 52); //绘制矩形 //画边框 GUI_DrawRect(388, 70, 478, 250); //告警栏 GUI_DrawRect(388, 125, 478, 184); //频率显示栏 GUI_DrawRect(1, 52, 388, 270); //数据显示栏 GUI_DrawRect(1, 270, 388, 318); //数据显示分栏 GUI_DrawRect(126, 270, 252, 318); //画启动框 //GUI_DrawRect(388, 220, 479, 319); //重绘 //重绘倒计时 if(strlen(time_buffer)==0 || !strcmp(time_buffer, "00:00:00")){ TEXT_SetText(WM_GetDialogItem(pMsg->hWin, ID_TEXT_7), "00:00:00"); }else { controlTime = 1; TEXT_SetText(WM_GetDialogItem(pMsg->hWin, ID_TEXT_7), time_buffer); }
标签:emwin cat raw ESS delete ret printf 分栏 gif
原文地址:https://www.cnblogs.com/ys77/p/11627795.html