int main(void)
{
// Setup any needed hardware
SetupUART(8);
SetupTimer();
SetupAccelerometer(TWOG, EIGHTBITS);
InitADC();
// Enable global interrupts
sei();
PORTB &= ~(_BV(PORTB5)); // Clear PB5, so it drives low by default (need to do this before switching it to an output)
DDRB |= _BV(PORTB5); // Set PB5 as an output
// Test data
struct SensorData data;
while(1)
{
if(ready_to_send)
{
SetupPulseSensor();
while(ADCSRA & _BV(ADSC)); //wait for conversion to finish DISCARD RESULT
ADCSRA |= _BV(ADSC); //Start real conversion
while(ADCSRA & _BV(ADSC)); //wait for conversion to finish USE RESULT
data.pulse_val = ADCH; //save result of pulse sensor
_delay_us(9);
SetupGSR();
while(ADCSRA & _BV(ADSC)); //wait for conversion to finish DISCARD RESULT
ADCSRA |= _BV(ADSC); //Start real conversion
while(ADCSRA & _BV(ADSC)); //wait for conversion to finish USE RESULT
data.gsr_val = ADCH; //save result of GSR sensor
_delay_us(9);
// Grab the accelerometer data
AccelGetData(&data);
// Send some bytes so RealTerm can sync to it
UARTTransmit(0xAA);
UARTTransmit(24);
// Send the data
UARTTransmit(data.pulse_val);
UARTTransmit(data.gsr_val + 15);
UARTTransmit(data.accel_x + 128);
UARTTransmit(data.accel_y + 128);
UARTTransmit(data.accel_z + 128);
UARTTransmit(0);
UARTTransmit(0); //to fill the UART receive fifo buffer in the tiva board for interrupt
ready_to_send = false;
}
}
}
//--------------------------------------------------------------------------------
//
// Main program loop.
//
void main()
{
__disable_interrupt();
_pulseDataAddress = (char *) EEPROM_PULSE_DATA;
_numberOfPulses = *_pulseDataAddress++;
SetupPorts();
SetupUART();
SetupTimer2();
SetupTimer1();
__enable_interrupt();
while (1)
{
__wait_for_interrupt();
}
}
int main(void)
{
//
// Enable lazy stacking for interrupt handlers. This allows floating-point
// instructions to be used within interrupt handlers, but at the expense of
// extra stack usage.
//
ROM_FPULazyStackingEnable();
//
// Setup the system clock to run at 50 Mhz from PLL with crystal reference
//
SysCtlClockSet(SYSCTL_SYSDIV_4|SYSCTL_USE_PLL|SYSCTL_XTAL_16MHZ|
SYSCTL_OSC_MAIN);
//
SetupUART();
SetupI2C();
//
UARTprintf("Starting....\n");
if(!L3G4200D_CheckDevice())
{
UARTprintf("L3G4200D not detected\n");
while(1);
}
SetupL3G4200D();
while(1)
{
short x,y,z;
char buff[20];
L3G4200D_ReadRaw(&x,&y,&z);
ftoa(x,buff);
UARTprintf("X: %s,",buff);
ftoa(y,buff);
UARTprintf("Y: %s,",buff);
ftoa(z,buff);
UARTprintf("Z: %s\n",buff);
DELAY_MS(20);
}
}
