uart.h

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#ifndef _UART_H_
#define _UART_H_

#define UART0   0
#define UART1   1

typedef enum
{
    ONE_STOP_BIT             = 0x1,
    TWO_STOP_BIT             = 0x3
} UartStopBitsNum;

typedef enum {
    NO_PARITY = 0,
    EVEN_PARITY = UART_PARITY_EN,
    ODD_PARITY = UART_PARITY_EN | UART_PARITY
} UartParityMode;

typedef enum
{
    BIT_RATE_300 = 300,
    BIT_RATE_600 = 600,
    BIT_RATE_1200 = 1200,
    BIT_RATE_2400 = 2400,
    BIT_RATE_4800 = 4800,
    BIT_RATE_9600   = 9600,
    BIT_RATE_19200  = 19200,
    BIT_RATE_38400  = 38400,
    BIT_RATE_57600  = 57600,
    BIT_RATE_74880  = 74880,
    BIT_RATE_115200 = 115200,
    BIT_RATE_230400 = 230400,
    BIT_RATE_460800 = 460800,
    BIT_RATE_921600 = 921600,
    BIT_RATE_1843200 = 1843200,
    BIT_RATE_3686400 = 3686400,
} UartBaudRate;

#ifndef UART_FIFO_LEN
    #define UART_FIFO_LEN  128  /* define the tx fifo length */
#endif

#ifndef FUNC_U0TXD
    #define FUNC_U0TXD    0
#endif

#ifndef FUNC_U0RXD
    #define FUNC_U0RXD    0
#endif


/* uart.c */
void uart_rx_enable ( uint8 uart_no );
void uart_rx_disable ( uint8 uart_no );
void uart_tx_enable ( uint8_t uart_no );
void uart_tx_disable ( uint8_t uart_no );
void tx_fifo_flush ( int uart_no );
void rx_fifo_flush ( int uart_no );
MEMSPACE int tx_fifo_used ( int uart_no );
MEMSPACE int tx_fifo_free ( int uart_no );
MEMSPACE int tx_fifo_empty ( int uart_no );
MEMSPACE int rx_fifo_used ( int uart_no );
MEMSPACE int rx_fifo_free ( int uart_no );
MEMSPACE int rx_fifo_empty ( int uart_no );
MEMSPACE int tx_fifo_putb ( int uart_no , uint8_t c );
MEMSPACE int rx_fifo_getb ( int uart_no );
MEMSPACE int tx_fifo_write ( int uart_no , uint8_t *buf , int size );
MEMSPACE int rx_fifo_read ( int uart_no , uint8_t *buf , int size );
LOCAL MEMSPACE int uart_putb ( uint8 uart_no , uint8 data );
LOCAL MEMSPACE int uart_getb ( int uart_no );
MEMSPACE int uart_putc ( uint8 uart_no , char c );
MEMSPACE int uart_getc ( int uart_no );
MEMSPACE int uart0_putc ( uint8 c );
MEMSPACE int uart0_getc ( void );
MEMSPACE int uart1_putc ( uint8 c );
MEMSPACE int uart1_getc ( void );
MEMSPACE void uart_flush ( uint8_t uart_no );
LOCAL MEMSPACE int uart_queue_getb ( uint8_t uart_no );
MEMSPACE uint8_t uart_queue_getc ( uint8_t uart_no );
MEMSPACE uint8_t uart0_queue_getc ( void );
MEMSPACE uint8_t uart1_queue_getc ( void );
void uart_task ( void );
LOCAL MEMSPACE void uart_queue_putb ( uint8 uart_no , uint8 data );
MEMSPACE void uart_queue_putc ( uint8_t uart_no , char c );
MEMSPACE void uart0_queue_putc ( char c );
MEMSPACE void uart1_queue_putc ( char c );
int kbhiteol ( int uart_no );
int kbhit ( int uart_no );
void uart_callback ( void *p );
MEMSPACE void UART_SetPrintPort ( uint8 uart_no );
MEMSPACE void uart_config ( uint8 uart_no , uint32_t baud , uint8_t data_bits , uint8_t stop_bits , uint8_t parity );
MEMSPACE void uart_init ( UartBaudRate uart0_br , UartBaudRate uart1_br );
MEMSPACE void uart_reattach ( void );

#endif