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331 | cascade | 1 | /**************************************************************************** |
2 | * Copyright (C) 2009 by Claas Anders "CaScAdE" Rathje * |
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3 | * admiralcascade@gmail.com * |
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4 | * Project-URL: http://www.mylifesucks.de/oss/c-osd/ * |
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5 | * * |
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6 | * This program is free software; you can redistribute it and/or modify * |
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7 | * it under the terms of the GNU General Public License as published by * |
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8 | * the Free Software Foundation; either version 2 of the License. * |
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9 | * * |
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10 | * This program is distributed in the hope that it will be useful, * |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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13 | * GNU General Public License for more details. * |
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14 | * * |
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15 | * You should have received a copy of the GNU General Public License * |
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16 | * along with this program; if not, write to the * |
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17 | * Free Software Foundation, Inc., * |
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18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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19 | ****************************************************************************/ |
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20 | |||
21 | #define baud 57600 |
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22 | |||
23 | #define RXD_BUFFER_LEN 150 |
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24 | #define TXD_BUFFER_LEN 150 |
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25 | |||
346 | cascade | 26 | extern volatile uint8_t rxd_buffer_locked; |
27 | extern volatile uint8_t rxd_buffer[RXD_BUFFER_LEN]; |
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28 | extern volatile uint8_t txd_buffer[TXD_BUFFER_LEN]; |
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29 | extern volatile uint8_t ReceivedBytes; |
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30 | extern volatile uint8_t *pRxData; |
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31 | extern volatile uint8_t RxDataLen; |
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32 | |||
33 | extern |
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34 | |||
331 | cascade | 35 | /** |
346 | cascade | 36 | * init usart1 |
37 | */ |
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38 | void usart1_init(); |
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39 | |||
40 | /** |
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331 | cascade | 41 | * disable the txd pin of usart1 |
42 | */ |
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43 | void usart1_DisableTXD(void); |
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44 | |||
45 | /** |
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46 | * enable the txd pin of usart1 |
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47 | */ |
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48 | void usart1_EnableTXD(void); |
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346 | cascade | 49 | |
50 | /** |
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51 | * send a <string> throught usart1 |
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52 | */ |
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53 | void usart1_puts(char*); |
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54 | |||
55 | /** |
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56 | * receive data through usart1 |
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57 | * portions taken and adapted from |
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58 | * http://svn.mikrokopter.de/mikrowebsvn/filedetails.php?repname=FlightCtrl&path=%2Fbranches%2FV0.72p+Code+Redesign+killagreg%2Fuart0.c |
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59 | */ |
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60 | ISR(SIG_USART1_RECV); |
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61 | |||
62 | /** |
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63 | * Decode the recevied Buffer |
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64 | * portions taken and adapted from |
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65 | * http://svn.mikrokopter.de/mikrowebsvn/filedetails.php?repname=FlightCtrl&path=%2Ftags%2FV0.72p%2Fuart.c |
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66 | */ |
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67 | void Decode64(void); |
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68 | |||
69 | /** |
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70 | * request Data through USART in special MK format by adding checksum and |
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71 | * encode data in modified Base64 |
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72 | * portions taken and adapted from |
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73 | * http://svn.mikrokopter.de/mikrowebsvn/filedetails.php?repname=FlightCtrl&path=%2Ftags%2FV0.72p%2Fuart.c |
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74 | */ |
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75 | void sendMKData(unsigned char, unsigned char, unsigned char*, unsigned char); |
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76 | |||
77 | /** |
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78 | * short script to directly send a request thorugh usart including en- and disabling it |
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79 | * where <address> is the address of the receipient, <label> is which data set to request |
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80 | * and <ms> represents the milliseconds delay between data |
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81 | */ |
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82 | void usart1_request_mk_data(uint8_t, char, uint8_t); |