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/*****************************************************************************
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 *   Copyright (C) 2008 Thomas Kaiser, thomas@ft-fanpage.de                  *
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 *   Copyright (C) 2009 Peter "woggle" Mack, mac@denich.net                  *
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 *   Copyright (C) 2011 Christian "Cebra" Brandtner, brandtner@brandtner.net *
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 *   Copyright (C) 2011 Harald Bongartz                                      *
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 *                                                                           *
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 *   This program is free software; you can redistribute it and/or modify    *
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 *   it under the terms of the GNU General Public License as published by    *
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 *   the Free Software Foundation; either version 2 of the License.          *
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 *                                                                           *
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 *   This program is distributed in the hope that it will be useful,         *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of          *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
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 *   GNU General Public License for more details.                            *
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 *                                                                           *
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 *   You should have received a copy of the GNU General Public License       *
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 *   along with this program; if not, write to the                           *
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 *   Free Software Foundation, Inc.,                                         *
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 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.               *
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 *                                                                           *
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 *                                                                           *
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 *   Credits to:                                                             *
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 *   Holger Buss & Ingo Busker from mikrokopter.de for the MK project + SVN  *
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 *                          http://www.mikrokopter.de                        *
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 *   Gregor "killagreg" Stobrawa for his version of the MK code              *
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 *   Thomas Kaiser "thkais" for the original project. See                    *
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 *                          http://www.ft-fanpage.de/mikrokopter/            *
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 *                          http://forum.mikrokopter.de/topic-4061-1.html    *
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 *   Claas Anders "CaScAdE" Rathje for providing the font and his C-OSD code *
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 *                          http://www.mylifesucks.de/oss/c-osd/             *
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 *   Harald Bongartz "HaraldB" for providing his Ideas and Code for usibility*
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 *****************************************************************************/
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#ifndef _USART_H
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#define _USART_H
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//--------------------------------------------------------------
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//
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#ifndef FALSE
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#define FALSE   0
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#endif
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#ifndef TRUE
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#define TRUE    1
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#endif
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// addresses
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#define ADDRESS_ANY     0
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#define ADDRESS_FC      1
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#define ADDRESS_NC      2
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#define ADDRESS_MAG     3
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// must be at least 4('#'+Addr+'CmdID'+'\r')+ (80 * 4)/3 = 111 bytes
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#define TXD_BUFFER_LEN  60
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#define RXD_BUFFER_LEN  180
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// Baud rate of the USART
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#define USART_BAUD 57600
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//#define USART_BAUD 125000
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//--------------------------------------------------------------
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//
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extern uint8_t buffer[30];
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extern volatile uint8_t txd_buffer[TXD_BUFFER_LEN];
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extern volatile uint8_t txd_complete;
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extern volatile uint8_t txd1_buffer[TXD_BUFFER_LEN];
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extern volatile uint8_t txd1_complete;
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extern volatile uint8_t rxd_buffer[RXD_BUFFER_LEN];
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extern volatile uint8_t rxd_buffer_locked;
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extern volatile uint8_t ReceivedBytes;
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extern volatile uint8_t *pRxData;
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extern volatile uint8_t RxDataLen;
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extern volatile uint16_t stat_crc_error;
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extern volatile uint16_t stat_overflow_error;
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extern volatile uint8_t rxFlag;
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extern volatile uint8_t rx_byte;
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//--------------------------------------------------------------
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//
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void USART_Init (unsigned int baudrate);
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void USART_DisableTXD (void);
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void USART_EnableTXD (void);
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void USART_request_mk_data (uint8_t cmd, uint8_t addr, uint8_t ms);
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void USART_putc (char c);
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void USART_puts (char *s);
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void USART_puts_p (const char *s);
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extern char USART_getc(void);
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void SendOutData (uint8_t cmd, uint8_t addr, uint8_t numofbuffers, ...); // uint8_t *pdata, uint8_t len, ...
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//void SendOutData(uint8_t cmd, uint8_t addr, uint8_t numofbuffers, uint8_t *pdata, uint8_t len); // uint8_t *pdata, uint8_t len, ...
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void Decode64 (void);
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void SwitchToNC (void);
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void SwitchToFC (void);
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void SwitchToMAG (void);
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void SwitchToGPS (void);
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void SwitchToWi232 (void);
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void debug1(void);
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uint8_t uart_getc_nb(uint8_t*);
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//--------------------------------------------------------------
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//Anpassen der seriellen Schnittstellen Register
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#define USART_RXC_vect USART0_RX_vect
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//--------------------------------------------------------------
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#define UCSRA   UCSR0A
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#define UCSRB   UCSR0B
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#define UCSRC   UCSR0C
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#define UDR             UDR0
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#define UBRRL   UBRR0L
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#define UBRRH   UBRR0H
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// UCSRA
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#define RXC             RXC0
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#define TXC             TXC0
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#define UDRE    UDRE0
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#define FE              FE0
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#define UPE             UPE0
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#define U2X             U2X0
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#define MPCM    MPCM0
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// UCSRB
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#define RXCIE   RXCIE0
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#define TXCIE   TXCIE0
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#define UDRIE   UDRIE0
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#define TXEN    TXEN0
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#define RXEN    RXEN0
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#define UCSZ2   UCSZ02
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#define RXB8    RXB80
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#define TXB8    TXB80
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// UCSRC
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#define UMSEL1  UMSEL01
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#define UMSEL0  UMSEL00
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#define UPM1    UPM01
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#define UPM0    UPM00
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#define USBS    USBS0
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#define UCSZ1   UCSZ01
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#define UCSZ0   UCSZ00
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#define UCPOL   UCPOL0
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#endif
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