#warning Check USART0 pins!
#endif
#define SER_UART0_BUS_TXINIT do { \
PIOA_PDR = BV(RXD0) | BV(TXD0); \
US0_CR = BV(US_RSTRX) | BV(US_RSTTX); \
#warning Check USART0 pins!
#endif
#define SER_UART0_BUS_TXINIT do { \
PIOA_PDR = BV(RXD0) | BV(TXD0); \
US0_CR = BV(US_RSTRX) | BV(US_RSTTX); \