void TouchTask(void) {
static U16 xOld;
static U16 yOld;
static U8 PressedOld;
U16 x, y, xDiff, yDiff;
U32 res;
while(1)
{
// Pressed =TouchPressed; // TBD: Insert function which returns:
// 1, if the touch screen is pressed
// 0, if the touch screen is released
//
// Touch screen is pressed
//
//if (TouchPressed==1)
// os_dly_wait(10);
res=(LPC_GPIO2->FIOPIN)&(1<<TP_IRQ_PIN_NUM);
if(res==0)
{
x = Read_X();// TBD: Insert function which reads current x value
y = Read_Y();// TBD: Insert function which reads current y value
//
// The touch has already been pressed
//
if (PressedOld == 1)
{
//
// Calculate difference between new and old position
//
xDiff = (x > xOld) ? (x - xOld) : (xOld - x);
yDiff = (y > yOld) ? (y - yOld) : (yOld - y);
//
// Store state if new position differs significantly from old position
//
if (xDiff + yDiff > 2)
{
xOld = x;
yOld = y;
GUI_TOUCH_StoreState(x, y);
}
}
//
// The touch was previously released
// Store state regardless position
//
else
{
if ((x != 0) && (y != 0))
{
xOld = x;
yOld = y;
PressedOld = 1;
GUI_TOUCH_StoreState(x, y);
}
}
}
//
// Touch screen is not pressed
// Store state if it was released recently
//
else {
if (PressedOld == 1) {
PressedOld = 0;
GUI_TOUCH_StoreState(-1, -1);
}
}
//
// Make sure
//
GUI_TOUCH_Exec();
GUI_X_Delay(20);
} ;
}
Build target 'Debug_FLASH' compiling Touch.c... compiling MT_MultiTasking.c... C:\Keil\ARM\RV31\Inc\RTL.h(39): error: #240: duplicate specifier in declaration C:\Keil\ARM\RV31\Inc\RTL.h(39): error: #84: invalid combination of type specifiers C:\Keil\ARM\RV31\Inc\RTL.h(41): error: #240: duplicate specifier in declaration C:\Keil\ARM\RV31\Inc\RTL.h(41): error: #240: duplicate specifier in declaration C:\Keil\ARM\RV31\Inc\RTL.h(43): error: #240: duplicate specifier in declaration compiling RTX_Conf_CM.c... RTX_Conf_CM.c: Error: #5: cannot open source input file "F:\Keil\ARM\RL\RTX\Config\RTX_Conf_CM.c": No such file or directory Target not created
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