//**************************[system_uart0_init]******************************** 27.09.2015
void system_uart0_init() {
#ifdef UART0_TX
system_uart0_tx_start = 0;
system_uart0_tx_end = 0;
#endif // #ifdef UART0_TX
#ifdef UART0_RX
system_uart0_rx_start = 0;
system_uart0_rx_end = 0;
#endif // #ifdef UART0_RX
// set hardware registers
UCSR0A = 0x00;
// Bit 7 (RXC0 ) = 0 interrupt flag (receive complete)
// Bit 6 (TXC0 ) = 0 interrupt flag (transmit complete)
// Bit 5 (UDRE0 ) = 0 interrupt flag (data ... empty)
// Bit 4 (FE0 ) = 0 flag (frame error)
// Bit 3 (DOR0 ) = 0 flag (data overrun)
// Bit 2 (UPE0 ) = 0 flag (parity error)
// Bit 1 (U2X0 ) = 0 normal speed (prescaler = 16)
// Bit 0 (MPCM0 ) = 0 normal speed (no multi-processor mode)
UCSR0B = 0x00;
// Bit 7 (RXCIE0) = 0 interrupt enable (receive complete)
// Bit 6 (TXCIE0) = 0 interrupt enable (transmit complete)
// Bit 5 (UDRIE0) = 0 interrupt enable (data ... empty)
// Bit 4 (RXEN0 ) = 0 receiver disabled
// Bit 3 (TXEN0 ) = 0 transmitter disabled
// Bit 2 (UCSZ02) = 0 character size (8 bit) - see also UCSR0C
// Bit 1 (RXB80 ) = 0 rx bit 8 (not used)
// Bit 0 (TXB80 ) = 0 tx bit 8 (not used)
UCSR0C = _BV(USBS0) | _BV(UCSZ01) | _BV(UCSZ00);
// Bit 6 (UMSEL0) = 0 asynchronous operation
// Bit 4-5 (UPM0n ) = 00 parity check disabled
// Bit 3 (USBS0 ) = 1 two stop bits
// Bit 1-2 (UCSZ0n) = 011 character size (8 bit) - see also UCSR0B
// Bit 0 (UCPOL0) = 0 clock polarity (not used)
// set initial baudrate
uart0_baud_set(UART0_BAUD);
// start uart0
uart0_enable();
}
/**
*@brief initializes xbee communication
*/
void niboCom_init(){
uart0_set_baudrate(niboCom_default_baudrate);
uart0_enable();
}
