uart.h

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/*******************************************************************************
 *
 *  uart.h - Definition file for UART communication using MSP430 TimerA
 *         - peripheral
 *
 ******************************************************************************/
#include <msp430.h>

//------------------------------------------------------------------------------
// Hardware-related definitions
//------------------------------------------------------------------------------
#define UART_TXD        0x02                    // TXD on P1.1 (Timer0_A.OUT0)
#define UART_RXD        0x04                    // RXD on P1.2 (Timer0_A.CCI1A)

#define HARDWARE_UART   1                       /* Specify if hardware UART is
                                                   used */

//------------------------------------------------------------------------------
// Conditions for 9600 Baud SW UART, SMCLK = 1MHz
//------------------------------------------------------------------------------
// TODO Replace hard-coded numbers
#define UART_TBIT_DIV_2 (1000000 / (9600 * 2))
#define UART_TBIT       (1000000 / 9600)

void uartInit   (void);
void uartTxByte (unsigned char byte);
void uartRxByte (void);