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/****************************************************************************
* Copyright (C) 2009-2010 by Claas Anders "CaScAdE" Rathje *
* admiralcascade@gmail.com *
* Project-URL: http://www.mylifesucks.de/oss/c-osd/ *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License. *
* *
* 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. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
****************************************************************************/
#define baud 57600
#define RXD_BUFFER_LEN 150
#define TXD_BUFFER_LEN 10 // not needed
extern volatile uint8_t rxd_buffer_locked;
extern volatile uint8_t rxd_buffer[RXD_BUFFER_LEN];
extern volatile uint8_t txd_buffer[TXD_BUFFER_LEN];
extern volatile uint8_t ReceivedBytes;
extern volatile uint8_t *pRxData;
extern volatile uint8_t RxDataLen;
/**
* init usart1
*/
void usart1_init();
/**
* disable the txd pin of usart1
*/
void usart1_DisableTXD(void);
/**
* enable the txd pin of usart1
*/
void usart1_EnableTXD(void);
/**
* send a <string> throught usart1
*/
void usart1_puts(char*);
/**
* transmit interrupt handler
* unused
*/
ISR(SIG_USART1_DATA);
/**
* receive data through usart1
* portions taken and adapted from
* http://svn.mikrokopter.de/mikrowebsvn/filedetails.php?repname=FlightCtrl&path=%2Fbranches%2FV0.72p+Code+Redesign+killagreg%2Fuart0.c
*/
ISR(SIG_USART1_RECV);
/**
* Decode the recevied Buffer
* portions taken and adapted from
* http://svn.mikrokopter.de/mikrowebsvn/filedetails.php?repname=FlightCtrl&path=%2Ftags%2FV0.72p%2Fuart.c
*/
void Decode64(void);
/**
* request Data through USART in special MK format by adding checksum and
* encode data in modified Base64
* portions taken and adapted from
* http://svn.mikrokopter.de/mikrowebsvn/filedetails.php?repname=FlightCtrl&path=%2Ftags%2FV0.72p%2Fuart.c
*/
void sendMKData(unsigned char, unsigned char, unsigned char*, unsigned char);
/**
* short script to directly send a request thorugh usart including en- and disabling it
* where <address> is the address of the receipient, <label> is which data set to request
* and <ms> represents the milliseconds delay between data
*/
void usart1_request_mk_data(uint8_t, char, uint8_t);