int main(void){
PLL_Init(); // 25 MHz
SYSCTL_RCGC2_R |= SYSCTL_RCGC2_GPIOF; // activate port F
ADC0_InitSWTriggerSeq3(0); // allow time to finish activating
// ADC0_InitAllTriggerSeq3(0); // allow time to finish activating
Timer0A_Init10HzInt(); // set up Timer0A for 10 Hz interrupts
Timer1_Init(); // Intitalize timer1 count down
GPIO_PORTF_DIR_R |= 0x04; // make PF2 out (built-in LED)
GPIO_PORTF_AFSEL_R &= ~0x04; // disable alt funct on PF2
GPIO_PORTF_DEN_R |= 0x04; // enable digital I/O on PF2
// configure PF2 as GPIO
GPIO_PORTF_PCTL_R = (GPIO_PORTF_PCTL_R&0xFFFFF0FF)+0x00000000;
GPIO_PORTF_AMSEL_R = 0; // disable analog functionality on PF
GPIO_PORTF2 = 0; // turn off LED
EnableInterrupts();
ST7735_InitR(INITR_REDTAB);
ST7735_FillScreen(0); // set screen to black
ST7735_SetCursor(0,0);
ST7735_XYplotInit("Lab 2 PMF Averaging \n", 0, 4096, 0, 50);
ST7735_OutString("1 point \n");
while(1){
WaitForInterrupt();
// GPIO_PORTF2 = 0x04; // profile
// ADCvalue = ADC0_InSeq3();
// GPIO_PORTF2 = 0x00;
if(Buffer_Counter == 1000){
break;
}
}
uint32_t Jitter;
// DisableInterrupts();
// TIMER1_CTL_R = 0x00000000; // 10) enable TIMER1A
GPIO_PORTF2 = 0x04; // profile
Jitter = Calc_Jitter();
uint32_t n = ADCvalue;
// ST7735_OutUDec(n);
Calc_PMF(); // will populate the frequency table ADC_Data = x-axis ADC_Freq = y-axis
// Next line is call to the plot point function we created in lab1
// ST7735_XYplotInit("PMF", 0, 4096, 0, 50);
// ST7735_XYplot(1000, ADC_Data, ADC_Freq);
int j = 0;
uint32_t x = 0;
uint32_t y = 0;
int i = 0;
//ST7735_PlotClear(32, 159);
// for(j = 0; j < 1000; j+=1){
ST7735_XYplotInit("Lab 2 PMF", 0, 4095, 0, 1000);
ST7735_XYplot(1000, ADC_Data, ADC_Freq);
// ST7735_PlotBar(ADC_Freq[j]);
// ST7735_PlotBar(ADC_Freq[j]);
//ST7735_PlotBar(30);
//ST7735_PlotNext();
// y = 32+(127*(400-ADC_Freq[j]))/400;
// x = 127-(127*(4095 - ADC_Data[j])/4095);
// if(x<0)x = 0;
// if(x>127)x=127;
// if(y<32) y = 32;
// ST7735_PlotBar(y);
// if(y>159) y = 159;
// if(x > i){
// ST7735_PlotNext();
// i += 1;
// }
/*
if(j < 14){
ST7735_OutUDec(ADC_Data[j]);
ST7735_OutString(" ");
ST7735_OutUDec(ADC_Freq[j]);
ST7735_OutString("\n");
}
*/
// }
GPIO_PORTF2 = 0x00;
// EnableInterrupts();
}
void ADC_Init(void){
ADC_InitSWTriggerSeq3(0); // allow time to finish activating
Timer0A_Init10HzInt(); // set up Timer0A for 10 Hz interrupts
}
