Ejemplo n.º 1
0
int main(void)
{

    //Initialise the FRDM-KL26Z Board
	hardware_init();
	FRDM_KL26Z_LEDs_Configure();
	PIT_Configure_interrupt_mode(2);
	PRINTF("ADC  new TESTING\r\n");
	adc_config_with_software_trigger();

    while(1) {
    	//enable adc clock SIM_SCGC6 bit 27 for ADC0
    	//configure adc trigger in SIM_OPT7 if using h/w triggers
    	//configure ADC1_CFG1 to configure clock and # of conversion bits
    	//configure ADC1_SC2 for h/w s/w trigger
    	//write to ADC1_SCA register to configure interrupt, channel and source type
    }
    /* Never leave main */
    return 0;
}
Ejemplo n.º 2
0
int main()
{

	volatile int temp;
	volatile int rand_no;
	int x;

	hardware_init();

	FRDM_KL26Z_LEDs_Configure();

	FRDM_KL26Z_SW2_Configure(0,FALLING_EDGE);
	FRDM_KL26Z_SW1_Configure(PULLUP,FALLING_EDGE);

	PIT_Configure_interrupt_mode(0.01);

	NVIC_ClearPendingIRQ(31);
	NVIC_EnableIRQ(31);

	LED_set(GREEN,OFF);

	while(1)
	{
		switch(currentstate)
		{
		case INIT:
			sw_count=0;
			sw2_count=0;
			PRINTF("SW1 to start");
			while(sw_count==0)
			{}
			LED_set(GREEN,OFF);
			currentstate = PLAY;
			break;
		case PLAY:
			PRINTF("when led on, press sw2");
			srand(timer_tick);
			rand_no = rand()%5000;
			temp=timer_tick;

			while((timer_tick-temp<rand_no) && (sw2_count==0) )
			{}
			if(sw2_count>0)
			{
				currentstate=INIT;
				break;
			}
			LED_set(GREEN,ON);
			temp=timer_tick;
			while(((sw2_count==0)&&timer_tick-temp<5000))
			{}
			if(timer_tick-temp>=5000)
			{
				PRINTF("too slow");
				currentstate=INIT;
			}
			else
			{
				PRINTF("reaction time: %d MSec \n" ,(timer_tick-temp));
				LED_set(GREEN,OFF);
				currentstate = INIT;
			}
			break;
		default:
			break;

		}
	}

	return 0;
}