STM32F407上移植emwin
STM32F407上移植emwin
本文博客链接:http://blog.csdn.net/jdh99,作者:jdh,转载请注明.
环境：
主机:WIN8
开发环境:MDK5.13
emwin版本：STemWinLibrary522
mcu: stm32f407VGT6
开发板：安富莱STM32-X3
TFT型号：艾蓝2.8寸TFT，主控芯片：ILI9325
说明:
在STM32F407上移植emwin，驱动屏幕接口为FSMC
移植步骤：
1.MDK新建文件结构：
2.GUIConf.c文件修改
a)增加宏定义：
#define GUI_NUMBYTES (1024 * 80)#define GUI_BLOCKSIZE 0x80b)GUI_X_Config(void)函数中增加语句：
GUI_ALLOC_SetAvBlockSize(GUI_BLOCKSIZE); 修改后：
/*********************************************************************** GUI_X_Config** Purpose:* Called during the initialization process in order to set up the* available memory for the GUI.*/void GUI_X_Config(void) { // // 32 bit aligned memory area // static U32 aMemory[GUI_NUMBYTES / 4]; // // Assign memory to emWin // GUI_ALLOC_AssignMemory(aMemory, GUI_NUMBYTES); GUI_ALLOC_SetAvBlockSize(GUI_BLOCKSIZE); // // Set default font // GUI_SetDefaultFont(GUI_FONT_6X8);}3.LCDConf_FlexColor_Template.c文件修改
a)增加宏定义:
#define LCD_REG_ADDRESS BANK1_LCD_REG#define LCD_DATA_ADDRESS BANK1_LCD_RAM这两个BANK宏定义在tft驱动文件中定义：
#define BANK1_BASE ((uint32_t)(0x60000000 | 0x00000000))#define BANK1_LCD_RAM *(__IO uint16_t *)(BANK1_BASE + (1 << (18 + 1))) /* FSMC 16位总线模式下，FSMC_A18口线对应物理地址A19 */#define BANK1_LCD_REG *(__IO uint16_t *)(BANK1_BASE)具体值和接线相关
b)具体函数修改
/*********************************************************************** Local functions************************************************************************//********************************************************************** LcdWriteReg** Function description:* Sets display register*/static void LcdWriteReg(U16 Data) { // ... TBD by user LCD_REG_ADDRESS = Data;}/********************************************************************** LcdWriteData** Function description:* Writes a value to a display register*/static void LcdWriteData(U16 Data) { // ... TBD by user LCD_DATA_ADDRESS=Data;}/********************************************************************** LcdWriteDataMultiple** Function description:* Writes multiple values to a display register.*/static void LcdWriteDataMultiple(U16 * pData, int NumItems) { while (NumItems--) { // ... TBD by user LCD_DATA_ADDRESS=*pData++; }}/********************************************************************** LcdReadDataMultiple** Function description:* Reads multiple values from a display register.*/static void LcdReadDataMultiple(U16 * pData, int NumItems) { while (NumItems--) { // ... TBD by user *pData++=LCD_DATA_ADDRESS; }}/*********************************************************************** Public functions************************************************************************//*********************************************************************** LCD_X_Config** Function description:* Called during the initialization process in order to set up the* display driver configuration.**/void LCD_X_Config(void) { GUI_DEVICE * pDevice; CONFIG_FLEXCOLOR Config = {0}; GUI_PORT_API PortAPI = {0}; // // Set display driver and color conversion // pDevice = GUI_DEVICE_CreateAndLink(GUIDRV_FLEXCOLOR, GUICC_565, 0, 0); // // Display driver configuration, required for Lin-driver // LCD_SetSizeEx (0, XSIZE_PHYS , YSIZE_PHYS); LCD_SetVSizeEx(0, VXSIZE_PHYS, VYSIZE_PHYS); // // Orientation // //Config.Orientation = GUI_SWAP_XY | GUI_MIRROR_Y; Config.FirstCOM = 0; Config.FirstSEG = 0; //Config.Orientation = GUI_MIRROR_X | GUI_MIRROR_Y; Config.NumDummyReads = 2; GUIDRV_FlexColor_Config(pDevice, &Config); // // Set controller and operation mode // PortAPI.pfWrite16_A0 = LcdWriteReg; PortAPI.pfWrite16_A1 = LcdWriteData; PortAPI.pfWriteM16_A1 = LcdWriteDataMultiple; PortAPI.pfReadM16_A1 = LcdReadDataMultiple; GUIDRV_FlexColor_SetFunc(pDevice, &PortAPI, GUIDRV_FLEXCOLOR_F66708, GUIDRV_FLEXCOLOR_M16C0B16); //GUIDRV_FlexColor_SetFunc(pDevice, &PortAPI, GUIDRV_FLEXCOLOR_F66709, GUIDRV_FLEXCOLOR_M16C0B16);}其中：GUIDRV_FlexColor_SetFunc函数说明：
因为主控芯片为ILI9325,所以参数选择GUIDRV_FLEXCOLOR_F66708
4.GUI_X.c文件修改
此文件控制的是GUI中的延时，可以用定时器配合实现，修改如下：
/*********************************************************************** 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.*/extern __IO int32_t g_iRunTime;GUI_TIMER_TIME GUI_X_GetTime(void) { //return OS_TimeMS; return g_iRunTime;}void GUI_X_Delay(int ms) { // int tEnd = OS_TimeMS + ms;// while ((tEnd - OS_TimeMS) > 0); int tEnd = g_iRunTime + ms; while ((tEnd - g_iRunTime) > 0);}5.主函数实现：
int main(void){ /* ST固件库中的启动文件已经执行了 SystemInit() 函数，该函数在 system_stm32f4xx.c 文件，主要功能是 配置CPU系统的时钟，内部Flash访问时序，配置FSMC用于外部SRAM */ bsp_Init(); /* 硬件初始化 */ PrintfLogo(); /* 打印例程信息到串口1 */ vLCDInit(); // vClearScreen(Green);// vSetTextColor(Red); // vPutString(20,0, "NanJing RF Tracking!!!!!");// ShowImage(); //DemoFatFS(); /* SD卡文件系统演示程序 */ //RCC_AHBPeriphClockCmd(RCC_AHBPeriph_CRC, ENABLE); RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_CRC, ENABLE); GUI_Init(); GUI_DispString("I am jdh!"); while (1) { GUI_Delay(1000); }}注意：
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_CRC, ENABLE);函数是必须的，否则GUI将不工作，这是ST公司防止其他芯片用此GUI的措施。
效果：
参考资料：
1.STemWin5.22移植笔记
2.《野火emwin实战指南V1.0.0》
3.安富莱源程序：x3开发板_裸机STemWin5.20
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