uart.h

Virtual GPS NEMAcode transmitter using serial port, AVR Atmega32 microcontrooler

/*
 * Perform UART startup initialization.
 */
void	uart_init(void);

/*
 * Send one character to the UART.
 */
int	uart_putchar(char c, FILE *stream);

/*
 * Size of internal line buffer used by uart_getchar().
 */
#define RX_BUFSIZE 80

/*
 * Receive one character from the UART.  The actual reception is
 * line-buffered, and one character is returned from the buffer at
 * each invokation.
 */
int	uart_getchar(FILE *stream);