int main(void) { SystemClockSetup(ClockSource_EX50M,CoreClock_100M); DelayInit(); LED_Init(LED_PinLookup_CHK60EVB, kNumOfLED); UART_DebugPortInit(UART4_RX_C14_TX_C15, 115200); DisplayCPUInfo(); GUI_Init(&CHGUI_InitStruct1); GUI_SetFontFormName("FONT_CourierNew"); while(1) { GUI_GotoXY(0, 0); GUI_TOUCH_GetState(&State); //打印物理AD坐标 GUI_printf("Phy:X:%04d Y:%04d\r\n", GUI_TOUCH_GetxPhys(), GUI_TOUCH_GetyPhys()); //打印逻辑AD坐标 GUI_printf("Log:X:%04d Y:%04d\r\n", State.x, State.y); GUI_printf("State:%01d\r\n", State.Pressed); //LCD 画笔跟踪 GUI_DrawPoint(State.x, State.y); DelayMs(10); //GUI 触摸屏处理函数 每10MS调用一次 GUI_TOUCH_Exec(); } }
/********************************************************************* * * 在触摸校正的时候使用这个来读取ADC的值 */ void Touch_MainTask(void) { GUI_CURSOR_Show(); GUI_CURSOR_Select(&GUI_CursorCrossL); GUI_SetBkColor(GUI_WHITE); GUI_SetColor(GUI_BLACK); GUI_Clear(); GUI_DispString("Measurement of\nA/D converter values"); while (1) { GUI_PID_STATE TouchState; int xPhys, yPhys; GUI_TOUCH_GetState(&TouchState); /* Get the touch position in pixel */ xPhys = GUI_TOUCH_GetxPhys(); /* Get the A/D mesurement result in x */ yPhys = GUI_TOUCH_GetyPhys(); /* Get the A/D mesurement result in y */ /* Display the measurement result */ GUI_SetColor(GUI_BLUE); GUI_DispStringAt("Analog input:\n", 0, 20); GUI_GotoY(GUI_GetDispPosY() + 2); GUI_DispString("x:"); GUI_DispDec(xPhys, 4); GUI_DispString(", y:"); GUI_DispDec(yPhys, 4); /* Display the according position */ GUI_SetColor(GUI_RED); GUI_GotoY(GUI_GetDispPosY() + 4); GUI_DispString("\nPosition:\n"); GUI_GotoY(GUI_GetDispPosY() + 2); GUI_DispString("x:"); GUI_DispDec(TouchState.x,4); GUI_DispString(", y:"); GUI_DispDec(TouchState.y,4); /* Wait a while */ GUI_Delay(100); }; }
int main(void) { DelayInit(); GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP); UART_QuickInit(UART0_RX_PD06_TX_PD07, 115200); printf("spi touch screen test\r\n"); /* 初始化SPI2 接口连接触控屏的触控芯片*/ SPI_QuickInit(SPI2_SCK_PD12_SOUT_PD13_SIN_PD14, kSPI_CPOL0_CPHA0, 2*1000*1000); PORT_PinMuxConfig(HW_GPIOD, 11, kPinAlt2); /* SPI2_PCS0 */ /* 初始化触控芯片 使用CS0片选 */ ads7843_init(HW_SPI2, HW_SPI_CS0); GUI_Init();//液晶屏界面初始化 GUI_SetBkColor(GUI_WHITE); //设置背景色 GUI_SetColor(GUI_BLACK); //设置前景色 GUI_Clear(); //清屏 GUI_SetPenSize(3); //设置点的大小 GUI_DispString("Measurement of\nA/D converter values"); while (1) { GUI_PID_STATE TouchState; int xPhys, yPhys; GUI_TOUCH_GetState(&TouchState); /* 获得触控位置 */ xPhys = GUI_TOUCH_GetxPhys(); /* 获得x轴的测量值 */ yPhys = GUI_TOUCH_GetyPhys(); /* 获得y轴的测量值 */ /* 显示测量结果 */ GUI_SetColor(GUI_BLUE); GUI_DispStringAt("Analog input:\n", 0, 20); GUI_GotoY(GUI_GetDispPosY() + 2); GUI_DispString("x:"); GUI_DispDec(xPhys, 4); GUI_DispString(", y:"); GUI_DispDec(yPhys, 4); /* Display the according position */ GUI_SetColor(GUI_RED); GUI_GotoY(GUI_GetDispPosY() + 4); GUI_DispString("\nPosition:\n"); GUI_GotoY(GUI_GetDispPosY() + 2); GUI_DispString("x:"); GUI_DispDec(TouchState.x,4); GUI_DispString(", y:"); GUI_DispDec(TouchState.y,4); GUI_DrawPoint(TouchState.x, TouchState.y); GUI_TOUCH_Exec(); } }
/********************************************************************* * * _GetPhysValues * * Function description * Asks the user to press the touch screen at the given position * and returns the physical A/D values */ static void _GetPhysValues(int LogX, int LogY, int * pPhysX, int * pPhysY, const char * pString) { char acText[] = "Press here"; GUI_RECT Rect; int FontSizeY; int Align; FontSizeY = GUI_GetFontSizeY(); GUI_Clear(); GUI_SetColor(GUI_BLACK); _DispStringCentered("Runtime calibration,\n" "please touch the screen\n" "at the center of the ring."); /* Ask user to press the touch */ // // Calculate the rectangle for the string // Rect.y0 = LogY - FontSizeY; Rect.y1 = LogY + FontSizeY; if (LogX < LCD_GetXSize() / 2) { Rect.x0 = LogX + 15; Rect.x1 = LCD_GetXSize(); Align = GUI_TA_LEFT; } else { Rect.x0 = 0; Rect.x1 = LogX - 15; Align = GUI_TA_RIGHT; } // // Show the text nearby the ring // GUI_DispStringInRect(acText, &Rect, Align | GUI_TA_TOP); GUI_DispStringInRect(pString, &Rect, Align | GUI_TA_BOTTOM); // // Draw the ring // GUI_FillCircle(LogX, LogY, 10); GUI_SetColor(GUI_WHITE); GUI_FillCircle(LogX, LogY, 5); GUI_SetColor(GUI_BLACK); // // Wait until touch is pressed // _WaitForPressedState(1); *pPhysX = GUI_TOUCH_GetxPhys(); *pPhysY = GUI_TOUCH_GetyPhys(); // // Wait until touch is released // _WaitForPressedState(0); }
void MainTask(void) { GUI_PID_STATE TouchState; GUI_Init(); GUI_CURSOR_Show(); GUI_Delay(1000); GUI_CURSOR_Select(&GUI_CursorCrossL); GUI_Delay(1000); while (1) { GUI_TOUCH_GetState(&TouchState); GUI_DispStringAt("Analog input: ", 0, 40); GUI_DispDec(GUI_TOUCH_GetxPhys(),4); GUI_DispString(","); GUI_DispDec(GUI_TOUCH_GetyPhys(),4); GUI_DispStringAt("TOUCH_X_MeasureX: ",0,60); GUI_DispDec(TouchState.x,4); GUI_DispString(","); GUI_DispDec(TouchState.y,4); GUI_Delay(100); }; }
void _ExecCalibration(void) { int ax_Phys[2],ay_Phys[2]; /* calculate log. Positions */ int ax[2] = { 15, LCD_XSIZE -1-15}; // const int ay[2] = { 15, LCD_YSIZE-1-15}; int ay[2] = { LCD_YSIZE-1-15, 15}; CalibrationComplete = 0; GUI_TOUCH_SetDefaultCalibration(); /* _Calibrate upper left */ GUI_SetBkColor(GUI_RED); GUI_Clear(); GUI_SetColor(GUI_WHITE); GUI_FillCircle(ax[0], ay[0], 10); GUI_SetColor(GUI_RED); GUI_FillCircle(ax[0], ay[0], 5); GUI_SetColor(GUI_WHITE); GUI_DispStringAt("Press here", ax[0]+20, ay[0]); do { GUI_PID_STATE State; GUI_TOUCH_GetState(&State); if (State.Pressed) { ax_Phys[0] = GUI_TOUCH_GetxPhys(); ay_Phys[0] = GUI_TOUCH_GetyPhys(); break; } GUI_Delay (100); } while (1); /* Tell user to release */ GUI_Clear(); GUI_DispStringAt("OK", ax[0]+20, ay[0]); do { GUI_PID_STATE State; GUI_TOUCH_GetState(&State); if (State.Pressed == 0) { break; } GUI_Delay (100); } while (1); /* _Calibrate lower right */ GUI_SetBkColor(GUI_RED); GUI_Clear(); GUI_SetColor(GUI_WHITE); GUI_FillCircle(ax[1], ay[1], 10); GUI_SetColor(GUI_RED); GUI_FillCircle(ax[1], ay[1], 5); GUI_SetColor(GUI_WHITE); GUI_SetTextAlign(GUI_TA_RIGHT); GUI_DispStringAt("Press here", ax[1]-20, ay[1]); do { GUI_PID_STATE State; GUI_TOUCH_GetState(&State); if (State.Pressed) { ax_Phys[1] = GUI_TOUCH_GetxPhys(); ay_Phys[1] = GUI_TOUCH_GetyPhys(); break; } GUI_Delay (100); } while (1); GUI_TOUCH_Calibrate(GUI_COORD_X, ax[0], ax[1], ax_Phys[0], ax_Phys[1]); GUI_TOUCH_Calibrate(GUI_COORD_Y, ay[0], ay[1], ay_Phys[0], ay_Phys[1]); { /* calculate and display values for configuration file */ int x0, x1; int y0, y1; GUI_Clear(); _Calibrate(GUI_COORD_X, ax[0], ax[1], ax_Phys[0], ax_Phys[1], &x0, &x1); _Calibrate(GUI_COORD_Y, ay[0], ay[1], ay_Phys[0], ay_Phys[1], &y0, &y1); GUI_DispStringAt("x0: ", 0, 0); GUI_DispDec(x0, 4); GUI_DispNextLine(); GUI_DispString ("x1: "); GUI_DispDec(x1, 4); GUI_DispNextLine(); GUI_DispString ("y0: "); GUI_DispDec(y0, 4); GUI_DispNextLine(); GUI_DispString ("y1: "); GUI_DispDec(y1, 4); GUI_DispNextLine(); GUI_DispString ("Please touch display to continue..."); GUI_Delay(1000); do { GUI_PID_STATE State; GUI_TOUCH_GetState(&State); if (State.Pressed) break; GUI_Delay (10); } while (1); } CalibrationComplete = 1; }
void _ExecCalibration(void) { int x,y; uint16_t data[6]; uint16_t get_data[6]; int ax_Phys[2],ay_Phys[2]; /* calculate log. Positions */ int ax[2] = { 15, LCD_XSIZE -1-15}; // const int ay[2] = { 15, LCD_YSIZE-1-15}; int ay[2] = { LCD_YSIZE-1-15, 15}; GUI_TOUCH_SetDefaultCalibration(); /* _Calibrate upper left */ GUI_SetBkColor(GUI_RED); GUI_Clear(); GUI_SetColor(GUI_WHITE); GUI_FillCircle(ax[0], ay[0], 10); GUI_SetColor(GUI_RED); GUI_FillCircle(ax[0], ay[0], 5); GUI_SetColor(GUI_WHITE); GUI_DispStringAt("Press here", ax[0]+20, ay[0]); do { #if 0 GUI_PID_STATE State; GUI_TOUCH_GetState(&State); if (State.Pressed) { #endif #if 1 x = TPReadX(); y = TPReadY(); if ((x>=3700)&&(y>=3400)&&(x<3800)&&(y<3600)) { #endif ax_Phys[0] = GUI_TOUCH_GetxPhys(); ay_Phys[0] = GUI_TOUCH_GetyPhys(); break; } GUI_Delay (3000); } while (1); /* Tell user to release */ GUI_Clear(); GUI_DispStringAt("OK", ax[0]+20, ay[0]); do { GUI_PID_STATE State; GUI_TOUCH_GetState(&State); if (State.Pressed == 0) { break; } GUI_Delay (100); } while (1); /* _Calibrate lower right */ GUI_SetBkColor(GUI_RED); GUI_Clear(); GUI_SetColor(GUI_WHITE); GUI_FillCircle(ax[1], ay[1], 10); GUI_SetColor(GUI_RED); GUI_FillCircle(ax[1], ay[1], 5); GUI_SetColor(GUI_WHITE); GUI_SetTextAlign(GUI_TA_RIGHT); GUI_DispStringAt("Press here", ax[1]-20, ay[1]); do { #if 1 x = TPReadX(); y = TPReadY(); if ((y>450)&&(y<620)&&(x>350)&&(x<450)) { #endif #if 0 GUI_PID_STATE State; GUI_TOUCH_GetState(&State); if (State.Pressed) { #endif ax_Phys[1] = GUI_TOUCH_GetxPhys(); ay_Phys[1] = GUI_TOUCH_GetyPhys(); break; } GUI_Delay (3000); } while (1); GUI_TOUCH_Calibrate(GUI_COORD_X, ax[0], ax[1], ax_Phys[0], ax_Phys[1]); GUI_TOUCH_Calibrate(GUI_COORD_Y, ay[0], ay[1], ay_Phys[0], ay_Phys[1]); { /* calculate and display values for configuration file */ int x0, x1; int y0, y1; GUI_Clear(); _Calibrate(GUI_COORD_X, ax[0], ax[1], ax_Phys[0], ax_Phys[1], &x0, &x1); _Calibrate(GUI_COORD_Y, ay[0], ay[1], ay_Phys[0], ay_Phys[1], &y0, &y1); GUI_DispStringAt("x0: ", 0, 0); GUI_DispDec(x0, 4); GUI_DispNextLine(); GUI_DispString ("x1: "); GUI_DispDec(x1, 4); GUI_DispNextLine(); GUI_DispString ("y0: "); GUI_DispDec(y0, 4); GUI_DispNextLine(); GUI_DispString ("y1: "); GUI_DispDec(y1, 4); GUI_DispNextLine(); GUI_DispString ("Please touch display to continue..."); GUI_Delay(1000); data[0]= CAL_READY; data[1]= ax_Phys[0]; data[2]= ay_Phys[0]; data[3]= ax_Phys[1]; data[4]= ay_Phys[1]; #if 1 save_calibrate_to_flash(data); get_calibrate_data(get_data); GUI_DispStringAt("x0: ", 100, 0); GUI_DispDec(get_data[1], 4); GUI_DispNextLine(); GUI_DispString ("x1: "); GUI_DispDec(get_data[2], 4); GUI_DispNextLine(); GUI_DispString ("y0: "); GUI_DispDec(get_data[3], 4); GUI_DispNextLine(); GUI_DispString ("y1: "); GUI_DispDec(get_data[4], 4); GUI_DispNextLine(); GUI_DispString ("state: "); GUI_DispDec(get_data[0], 4); GUI_DispNextLine(); #endif do { GUI_PID_STATE State; GUI_TOUCH_GetState(&State); if (State.Pressed) break; GUI_Delay (10); } while (1); } } int run_cal(void) { if(get_calibrate_state()== CAL_READY) { get_calibration(); }else{ #if 1 _ExecCalibration(); #endif #if 0 Calibration(); #endif } } int get_calibration(void) { uint16_t cal_data[5]; int ax_Phys[2],ay_Phys[2]; int ax[2] = { 15, LCD_XSIZE -1-15}; int ay[2] = { LCD_YSIZE-1-15, 15}; get_calibrate_data(cal_data); ax_Phys[0] = cal_data[1]; ay_Phys[0] = cal_data[2]; ax_Phys[1] = cal_data[3]; ay_Phys[1] = cal_data[4]; GUI_TOUCH_Calibrate(GUI_COORD_X, ax[0], ax[1], ax_Phys[0], ax_Phys[1]); GUI_TOUCH_Calibrate(GUI_COORD_Y, ay[0], ay[1], ay_Phys[0], ay_Phys[1]); } #if 0 void myAD2XY( int *adx , int *ady ){ float f_dat; int dat1; f_dat = (float)(*ady - admy)/(float)(*adx - admx); if(f_dat>0){ if( *adx>admx && admk[2] >=f_dat) dat1 = 1; else if( *adx>admx && admk[2] < f_dat ) dat1 =2;//2 else if( *adx<admx && admk[0] >=f_dat ) dat1 =0; else if( *adx<admx && admk[0] < f_dat ) dat1 =3;//0 else{ dat1 =0; }//*adx =0;*ady =0; } }else{ if( *adx>admx && admk[1] >=f_dat) dat1 = 0; else if( *adx>admx && admk[1] < f_dat ) dat1 =1;//1 else if( *adx<admx && admk[3] >=f_dat ) dat1 =3; else if( *adx<admx && admk[3] < f_dat ) dat1 =2;//3 else{ dat1 =0; }//*adx =0;*ady =0; } } *adx = (int)(Factors[dat1][0].a*(*adx)+Factors[dat1][0].b*(*ady)+Factors[dat1][0].c); *ady = (int)(Factors[dat1][1].a*(*adx)+Factors[dat1][1].b*(*ady)+Factors[dat1][1].c); }