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;
}
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;
}