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);
}
