void init(void)
{
LED_INIT();
SW_INIT();
SENS_INIT();
// SPI
// MOSI, SCK, als Output / MISO als Input
SPI_DDR |= _BV( SPI_MOSI ) | _BV( SPI_SCLK ); // mosi, sck output
SPI_DDR &= ~_BV( SPI_MISO ); // miso input
// test pin change interrupt
GIMSK |= _BV(PCIE0); /* PCIE0 pin change interrupt auf pcint 7 bis 0 aktiviert */
PCMSK0 |= _BV(PCINT0) | _BV(PCINT1); /* pcint0 + 1 aktivieren */
// read housecode/button from eprom
readConfig();
// init devices
ccInitChip();
fs20_init();
// init watchdog timer as long timer (8s). Timeout will lead to an interrupt and not a reset
// do not set WDE (as if so we need to set WDIE after every interrupt)
WDTCSR |= _BV(WDIE) | _BV(WDP3) | _BV(WDP0);
}
int main(void)
{
//
// Set the clocking to run directly from the crystal.
//
SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_8MHZ);
//
// Configure GPIO output mode. LED
//
LED_INIT();
//
// Configure GPIO input mode. Switch
//
SW_INIT();
//
// Loop forever.
//
while(1)
{
if (SW_IS_PUSHED())
{
LED_ON();
}
else
{
LED_OFF();
}
}
}
