timeryzoladz

#include <LPC21xx.H>

 #define mLED0 0x1 << 16
 #define mLED1 0x1 << 17
 #define mLED2 0x1 << 18
 #define mLED3 0x1 << 19
 #define mLED4 0x1 << 20
 #define mLED5 0x1 << 21

 #define mKEY1 0x1 << 4
 #define mKEY2 0x1 << 5
 #define mKEY3 0x1 << 6
 #define mKEY4 0x1 << 7

#define mCOUNTER_ENABLE   0x1
 #define mCOUNTER_RESET    0x2

 #define mINTERRUPT_ON_MR0 0x1
 #define mRESET_ON_MR0     0x2

 #define mR0_INTERRUPT     0x1

 enum KeyboardState {RELEASED, BUTTON_1, BUTTON_2, BUTTON_3, BUTTON_4};
 enum StepArgument {LEFT, RIGHT};


 void delay(int);
 void ledInit(void);
 void LedOn(unsigned char);
 void KeyboardInit(void);
 enum KeyboardState ReadKeyboard(void);
 void Step(enum StepArgument);
 void InitTimer(void);
 void WaitOnTimer(unsigned int uiTime);
void InitTimerMatch(unsigned int);
 void WaitOnTimerMatch(void);

 int main()
 {
        unsigned char ucStepCounter;

        ucStepCounter = 0;

        ledInit();
        KeyboardInit();

        InitTimerMatch(10000);
        WaitOnTimerMatch();
        T0TCR |= mCOUNTER_ENABLE;

 }
 void WaitOnTimer(unsigned int uiTime){

        T0TCR |= mCOUNTER_RESET;
        T0TCR &= ~mCOUNTER_RESET;
        uiTime = uiTime * 15;
        while(T0TC < uiTime){}
 }

void InitTimerMatch(unsigned int iDelayTime){

        T0MR0 = iDelayTime * 15;
        T0MCR |= (mRESET_ON_MR0 | mINTERRUPT_ON_MR0);

        T0TCR |= mCOUNTER_ENABLE;
        T0TCR |= mCOUNTER_RESET;
        T0TCR &= ~mCOUNTER_RESET;


 }

 void WaitOnTimerMatch(void){

        while((T0IR & mR0_INTERRUPT) == 0){}

        T0IR = mR0_INTERRUPT;

 }