/*
 * Authors - Gerard Valade <gerard.valade@gmail.com>
 *
 * Adapted from frsky
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 */

#ifndef _SERIAL_H_
#define _SERIAL_H_

typedef enum serial_tx_state_ {
	TX_STATE_EMPTY = 0, //
	TX_STATE_READY, //
	TX_STATE_BUSY
} serial_tx_state_t;
extern serial_tx_state_t serialTxState;

//! \brief Baudrate selection.
enum SERIAL_BAUDS {
	BAUD_4800 = 0,
	BAUD_9600,
	BAUD_14400,
	BAUD_19200,
	BAUD_38400,
	BAUD_57600,
	BAUD_76800
};

//! \brief Definition of baudrate settings item choices.
typedef void (*SerialFuncP)(uint8_t event);

extern SerialFuncP RXHandler;

#define MAX_TX_BUFFER 32
//#if 0
extern uint8_t serialTxBuffer[MAX_TX_BUFFER]; // 32 characters
extern uint8_t serialTxBufferCount;
extern uint8_t * ptrTxISR;
//#endif

void SERIAL_Init(void);
//void SERIAL_transmitBuffer(uint8_t len);
extern void SERIAL_start_uart_send();
extern void SERIAL_end_uart_send();
extern void SERIAL_send_uart_bytes(uint8_t * buf, uint16_t len);

void SERIAL_startTX(void);
#define IS_TX_BUSY (serialTxState!=TX_STATE_EMPTY)

#endif