/**
* @brief Initialization of PAL
*
* This function initializes the PAL.
*
* @return MAC_SUCCESS if PAL initialization is successful, FAILURE otherwise
*/
retval_t pal_init(void)
{
#ifdef WATCHDOG
/* Watchdog Initialization. Enables the watchdog and sets the timeout period */
pal_wdt_init();
#else
/* Disabling watch dog*/
pal_wdt_disable();
#endif
/* Initialising PIO pins */
gpio_init();
/* Initialising PIO interrupts with Zero prority*/
pal_pio_initialize_interrupts(0);
/* Initialising tranceiver interface */
trx_interface_init();
/* Initialising timer for PAL */
timer_init();
return MAC_SUCCESS;
}
/**
* @brief Initialization of PAL
*
* This function initializes the PAL.
* This includes selecting the proper system clock source, initializing the
* GPIOs, the interface to the transceiver, and the timers.
*
* @return MAC_SUCCESS if PAL initialization is successful, FAILURE otherwise
*/
retval_t pal_init(void)
{
mcu_clock_init();
gpio_init();
trx_interface_init();
#ifdef CW_SUPPORTED
TST_INIT();
#endif
timer_init();
__watchdog_reset();
/* Clear WDRF in MCUSR */
MCUSR &= ~(1<<WDRF);
/* Write logical one to WDCE and WDE */
/* Keep old prescaler setting to prevent unintentional time-out
*/
WDTCSR |= (1<<WDCE) | (1<<WDE);
/* Turn off WDT */
WDTCSR = 0x00;
return MAC_SUCCESS;
}
