gistfile1.c

#include "msp430g2553.h"
#include "CapTouchBoard.h"
#include "Actuator_Waveforms.h"
#include "BinaryModes.h"
#include <string.h>
#include <math.h>

/**********CONSTANTS**********/
#define SCROLL 250
#define BUFFERSIZE 255

/**********VARIABLES**********/
int iterator = 0;
char buffer[BUFFERSIZE] = {0};
int realBufferSize = 0;
int bufferReadIndex = 0;
int bufferWriteIndex = 0;
char character;

unsigned int i;

/**********FUNCTION PROTOTYPES**********/
void printf(char * tx_data); // Function Prototype for TX
void write(char ch);


int main(void)
{
  WDTCTL = WDTPW + WDTHOLD;                 // Stop WDT

  DCOCTL = 0;                               // Select lowest DCOx and MODx settings
  BCSCTL1 = CALBC1_8MHZ;                    // Set DCO
  DCOCTL = CALDCO_8MHZ;
  BCSCTL1 |= DIVA_1;                    // ACLK /(0:1,1:2,2:4,3:8)
  BCSCTL2 |= DIVS_0;                    // SMCLK/(0:1,1:2,2:4,3:8)
  BCSCTL3 |= LFXT1S_2;                  // LFXT1 = VLO (select SMCLK source)

  // 8000000 Hz  9600 bps
  UCA0BR0 = 0x41;
  UCA0BR1 = 0x03;
  UCA0MCTL = UCBRS_3 + UCBRF_0;

  P1SEL = BIT1 + BIT2 ;                     // P1.1 = RXD, P1.2=TXD
  P1SEL2 = BIT1 + BIT2 ;                    // P1.1 = RXD, P1.2=TXD

  // Set GPIO functions
  P2SEL &= 0xBF;  					// P2.0-P2.5 = cap sense, P2.6 = I/O
  P2SEL2 &= 0xBF;						// P2.0-P2.5 = cap sense, P2.6 = I/O
  P3SEL |= 0x04;                   		// P3.2 = PWM Output

  // Set GPIO directions
  P1DIR |= (BUTTON1+BUTTON2+BUTTON3+BUTTON4);				// Set P1.0-P1.3 to outputs for colored LEDs
  P2DIR |= 0x40;											// Set P2.6 = Output
  P3DIR |= (MODE0+MODE1+MODE2+MODE3+MODE4+BIT2+BIT1+BIT0);  // Set P3.0-P3.1, P3.3-P3.7 as outputs = LRA/^ERM, EN, M0-M4

    // Set GPIO values
    P1OUT = 0;							// Colored LEDs off
    P2OUT |= 0x40;						// Set P2.6 = 1, set load switch to LRA
    P3OUT = 0x00;                    		// White LEDs off, EN = off

    // TimerA Setup
    // Set PWM Frequency,  TimerA gives 255 counts at SMCLK frequency
    TA1CCR0 = 0x00FF;

  UCA0CTL1 |= UCSSEL_2;                     // SMCLK
  UCA0CTL1 &= ~UCSWRST;                     // **Initialize USCI state machine**
  IE2 |= UCA0RXIE;                          // Enable USCI_A0 RX interrupt

  CapTouch_Init();
  Haptics_Init();
 

  while(1)
  {
	  __bis_SR_register(GIE); 
	  //__low_power_mode_0(); // Interrupts enabled

	  if(character != '\r')
	  {
		  write(character); //echo

		  if(character != '\b')
		  {
			  buffer[iterator] = character;
			  iterator++;
		  }
	  }
  }



}

#pragma vector=USCIAB0RX_VECTOR
__interrupt void USCI0RX_ISR(void) 
{
	character = UCA0RXBUF;
}

void write(char ch) 
{
	while ((UCA0STAT & UCBUSY));
	{
				UCA0TXBUF  = ch;
	}
}

void printf(char * tx_data) 
{
    unsigned int i=0;
    while(tx_data[i]) 
    {
        while ((UCA0STAT & UCBUSY)); 
        UCA0TXBUF = tx_data[i]; 
        i++; 
    }
}

#pragma vector=TIMER0_A0_VECTOR
__interrupt void ISR_Timer0_A0(void)
{
  TA0CTL &= ~(MC_1);
  TA0CCTL0 &= ~(CCIE);

  CapTouch_RandomNumber++;

  __bic_SR_register_on_exit(LPM0_bits+GIE);
}
#pragma vector=TIMER1_A1_VECTOR
__interrupt void Timer_A1_ISR (void)
{
  TA1CCTL1 &= ~CCIFG;   //Clear Interrupt Flag
}