void main()
{
WDTCTL = WDTPW + WDTHOLD; //Stop Watchdog Timer
CSCTL0_H = 0xA5;
CSCTL1 |= DCOFSEL0 + DCOFSEL1; //set max. DCO setting.. 8Mhz
CSCTL2 = SELA_3 + SELS_3 + SELM_3; //set ACLK = MCLK = DCO
CSCTL3 = DIVA_0 + DIVS_0 + DIVM_0; //set all dividers
P1DIR |= BIT0;
P1SEL0 |= BIT0;
TA0CCR0 = 207; //timer count value 207 for 38 kHz carrier.
TA0CCR1 = 69; //25% duty cycle for the 38 kHz carrier.
//TA0CCTL1 = OUTMOD_7;
TA0CCTL0 = 0x10;
TA0CTL = TASSEL_1 + MC_1;
LEDonboardInit(0);
AccelInit(); //Setup the accelerometer pins.
SetupAccel(); //Setup the ADC and Accel. ADC can only convert one axis at a time.
CalibrateADC(); //Find zero points of all 3 axis.
ADC10CTL0 |= ADC10ENC | ADC10SC; //Start the first sample. If this is not done the ADC10 interupt will not trigger.
__enable_interrupt();
while(1)
{
TA0CTL |= MC_1;
ADC10IE &= ~ADC10IE0;
LED_off_all();
if (ADCResult_X < CalValue_X - 60 && ADCResult_Y > CalValue_Y - 60 && ADCResult_Y < CalValue_Y + 60)
{
LED_off_all();
LED_on(8);
transmit_command(0x04, 0x01);
}
else if(ADCResult_X > CalValue_X + 60 && ADCResult_Y > CalValue_Y - 60 && ADCResult_Y < CalValue_Y + 60)
{LED_off_all();
LED_on(7);
transmit_command(0x04, 0x00);
}
else if(ADCResult_Y < CalValue_Y - 60 && ADCResult_X > CalValue_X - 60 && ADCResult_X < CalValue_X + 60)
{
LED_off_all();
LED_on(2);
transmit_command(0x04, 0x03);
}
else if (ADCResult_Y > CalValue_Y + 60 && ADCResult_X > CalValue_X - 60 && ADCResult_X < CalValue_X + 60)
{
LED_off_all();
LED_on(1);
transmit_command(0x04, 0x02);
}
TA0CTL = TASSEL_1 + MC_0; //timer off
TA0CCTL1 = OUTMOD_0; //avoid constant high
//__delay_cycles(500000);
ADC10IE |= ADC10IE0;
//ADC10IE &= ~ADC10IE0;
}
/*
while(1)
{
transmit_command(0x04, 0x00);
}
*/
}
void Mode3(void)
{
// One time initialization of header and footer transmit package
TX_Buffer[0] = 0xFA;
TX_Buffer[6] = 0xFE;
// variable initialization
active = 1;
ADCTemp = 0;
temp = 0;
WriteCounter = 0;
ULPBreakSync = 0;
counter = 0;
// One time setup and calibration
SetupAccel();
CalValue = CalibrateADC();
while ((mode == ACCEL_MEAS) && (UserInput == 0))
{
// Take 1 ADC Sample
TakeADCMeas();
if (ADCResult >= CalValue)
{
temp = DOWN;
ADCTemp = ADCResult - CalValue;
}
else
{
temp = UP;
ADCTemp = CalValue - ADCResult;
}
if((ULP==1) && (UserInput == 0))
{
// P3.4- P3.7 are set as output, low
P3OUT &= ~(BIT4 + BIT5 + BIT6 + BIT7);
P3DIR |= BIT4 + BIT5 + BIT6 + BIT7;
// PJ.0,1,2,3 are set as output, low
PJOUT &= ~(BIT0 + BIT1 + BIT2 + BIT3);
PJDIR |= BIT0 + BIT1 + BIT2 + BIT3;
// Transmit break packet for GUI freeze
if(!(ULPBreakSync))
{
TXBreak(mode);
ULPBreakSync++;
}
}
if((ULP==0) && (UserInput == 0))
{
ULPBreakSync = 0;
WriteCounter++;
if(WriteCounter > 300)
{
LEDSequence(ADCTemp,temp);
// Every 300 samples
// Transmit 7 Bytes
// Prepare mode-specific data
// Standard header and footer
WriteCounter = 0;
TX_Buffer[1] = 0x03;
TX_Buffer[2] = counter;
TX_Buffer[3] = 0x00;
TX_Buffer[4] = 0x00;
TX_Buffer[5] = 0x00;
TXData();
}
}
}
// end while() loop
// turn off Accelerometer for low power
ShutDownAccel();
}
