CS计算机代考程序代写 // traffic light

// traffic light
#include
const uint32_t led_mask[] = {1UL << 18, 1UL << 19, 1UL << 1}; // LED #0, #1 are port B, LED #2 is port D void LED_Config(void); void LED_Set(void); void LED_Clear(void); __INLINE static void LED_On (uint32_t led); __INLINE static void LED_Off (uint32_t led); void Delay(uint32_t nCount); int main(void) { // VARIABLE DECLARATION IF REQUIRED SystemCoreClockUpdate(); // Optional- Setup SystemCoreClock variable // Configure LED outputs LED_Config(); while(1){ // YOUR CODE HERE }; } void Delay(uint32_t nCount) // delay subroutine { while(nCount--) { } } /*---------------------------------------------------------------------------- LED pin config *----------------------------------------------------------------------------*/ void LED_Config(void) { /* Enable Clock to Port B & D */ /* Pin PTB18 is GPIO */ /* Pin PTB19 is GPIO */ /* Pin PTD1 is GPIO */ /* switch Red/Green LED off */ /* enable PTB18/19 as Output */ /* switch Blue LED off */ /* enable PTD1 as Output */ return; } /*--------------------------------------------------------------------------- Switch on LEDs *---------------------------------------------------------------------------*/ void LED_Set(void) { LED_On(0); // RED LED_On(1); // GREEN LED_On(2); // BLUE return; } /*--------------------------------------------------------------------------- Switch off LEDs *---------------------------------------------------------------------------*/ void LED_Clear(void) { LED_Off(0); // RED LED_Off(1); // GREEN LED_Off(2); // BLUE return; } /*--------------------------------------------------------------------------- Switch on LED (just one) *---------------------------------------------------------------------------*/ __INLINE static void LED_On (uint32_t led) { if (led == 2) FPTD->PCOR = led_mask[led];
else FPTB->PCOR = led_mask[led];
}

/*—————————————————————————
Switch off LED (just one)
*—————————————————————————*/
__INLINE static void LED_Off (uint32_t led) {
if (led == 2) FPTD->PSOR = led_mask[led];
else FPTB->PSOR = led_mask[led];
}