Picproje Elektronik Sitesi

#include "M031Series.h"

#define TIME (2000)

uint8_t buttonFT=0,ledState;
uint32_t firstLedTime,secondLedTime;
volatile uint32_t u32_Tick;

void SYS_Init(void);
void SysTick_Handler(void);
void Inc_Tick(void);
uint32_t Get_Tick(void);

void SYS_Init()
{
    /* Unlock protected registers */
    SYS_UnlockReg();

    /* Enable clock source */
    CLK_EnableXtalRC(CLK_PWRCTL_HIRCEN_Msk);

    /* Waiting for clock source ready */
    CLK_WaitClockReady(CLK_STATUS_HIRCSTB_Msk);

    /* Disable PLL first to avoid unstable when setting PLL */
    CLK_DisablePLL();

    /* Set PLL frequency */
    CLK->PLLCTL = (CLK->PLLCTL & ~(0x000FFFFFul)) | 0x0008C03Eul;

    /* Waiting for PLL ready */
    CLK_WaitClockReady(CLK_STATUS_PLLSTB_Msk);

    /* If the defines do not exist in your project, please refer to the related clk.h in the Header folder appended to the tool package. */
    /* Set HCLK clock */
    CLK_SetHCLK(CLK_CLKSEL0_HCLKSEL_HIRC, CLK_CLKDIV0_HCLK(1));

    /* Set PCLK-related clock */
    CLK->PCLKDIV = (CLK_PCLKDIV_APB0DIV_DIV1 | CLK_PCLKDIV_APB1DIV_DIV1);

    /* Enable IP clock */
    CLK_EnableModuleClock(ISP_MODULE);
    CLK_EnableSysTick(CLK_CLKSEL0_STCLKSEL_HCLK, 0);

    /* Update System Core Clock */
    /* User can use SystemCoreClockUpdate() to calculate SystemCoreClock. */
    SystemCoreClockUpdate();

    /* Lock protected registers */
    SYS_LockReg();
}


void SysTick_Handler(void)
{
	Inc_Tick();
}

void Inc_Tick()
{
	u32_Tick++;
}

uint32_t Get_Tick()
{
	return u32_Tick;
}


int main(void)
{	
	SYS_Init();
	SysTick_Config(1000);
	
	GPIO_SetMode(PB,BIT14,GPIO_MODE_OUTPUT);
	GPIO_SetMode(PC,BIT1,GPIO_MODE_INPUT);

	
	while(1)
	{
			if(PC1 == 0)
			{
				if(buttonFT==0)
				{
					buttonFT = 1;
					ledState = 1;
				}	
			}
	
		switch(ledState)
		{
			case 0:{ledState=0;} break;
			case 1:{firstLedTime = Get_Tick(); ledState = 2;} break;
			case 2:
			{
				secondLedTime = Get_Tick();
				if(secondLedTime - firstLedTime > TIME)
				{
					PB14 = 1;
					ledState =0;
				}
			}
			break;
		}		
	}
}

SysTick_Config(SystemCoreClock / 1000);