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#ifndef QMSK_SERIAL_H

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#define QMSK_SERIAL_H

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/** Serial modes */

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enum serial_mode {

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    SERIAL_MODE_ASYNC   = 0b00,

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    SERIAL_MODE_DEFAULT = SERIAL_MODE_ASYNC

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};

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enum serial_baud {

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    SERIAL_BAUD_9600    = 103,

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};

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enum serial_parity {

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    SERIAL_PARITY_N     = 0b00,

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};

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enum serial_stopbits {

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    SERIAL_STOPBITS_1   = 0b0,

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};

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enum serial_chars {

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    SERIAL_CHARS_8      = 0b011,

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};

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/* Size of RX buffer */

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#define SERIAL_BUF 64

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/*

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 * Setup the UART for serial mode.

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 */

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void serial_init (

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    enum serial_baud baud,

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    enum serial_parity parity,

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    enum serial_stopbits stopbits

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);

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/*

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 * Read a single input char from the rx buffer.

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 *

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 * Returns 0 if the rx buf is empty.

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 */

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char serial_read ();

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/*

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 * Write a single output char, either directly or via the tx "buffer".

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 *

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 * XXX: currently only has a tx buffer of 1 byte.

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 */

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void serial_write (char c);

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#endif