Satellite Observers Workbench. NOT yet complete, just published for forum posters to \"cherry pick\" pieces of code as requiered as an example.
pccomms/pccomms.h@0:0a841b89d614, 2010-10-11 (annotated)
- Committer:
- AjK
- Date:
- Mon Oct 11 10:34:55 2010 +0000
- Revision:
- 0:0a841b89d614
Totally Alpha quality as this project isn\t completed. Just publishing it as it answers many questions asked in the forums
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AjK | 0:0a841b89d614 | 1 | /**************************************************************************** |
AjK | 0:0a841b89d614 | 2 | * Copyright 2010 Andy Kirkham, Stellar Technologies Ltd |
AjK | 0:0a841b89d614 | 3 | * |
AjK | 0:0a841b89d614 | 4 | * This file is part of the Satellite Observers Workbench (SOWB). |
AjK | 0:0a841b89d614 | 5 | * |
AjK | 0:0a841b89d614 | 6 | * SOWB is free software: you can redistribute it and/or modify |
AjK | 0:0a841b89d614 | 7 | * it under the terms of the GNU General Public License as published by |
AjK | 0:0a841b89d614 | 8 | * the Free Software Foundation, either version 3 of the License, or |
AjK | 0:0a841b89d614 | 9 | * (at your option) any later version. |
AjK | 0:0a841b89d614 | 10 | * |
AjK | 0:0a841b89d614 | 11 | * SOWB is distributed in the hope that it will be useful, |
AjK | 0:0a841b89d614 | 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
AjK | 0:0a841b89d614 | 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
AjK | 0:0a841b89d614 | 14 | * GNU General Public License for more details. |
AjK | 0:0a841b89d614 | 15 | * |
AjK | 0:0a841b89d614 | 16 | * You should have received a copy of the GNU General Public License |
AjK | 0:0a841b89d614 | 17 | * along with SOWB. If not, see <http://www.gnu.org/licenses/>. |
AjK | 0:0a841b89d614 | 18 | * |
AjK | 0:0a841b89d614 | 19 | * $Id: main.cpp 5 2010-07-12 20:51:11Z ajk $ |
AjK | 0:0a841b89d614 | 20 | * |
AjK | 0:0a841b89d614 | 21 | ***************************************************************************/ |
AjK | 0:0a841b89d614 | 22 | |
AjK | 0:0a841b89d614 | 23 | #ifndef PCCOMMS_H |
AjK | 0:0a841b89d614 | 24 | #define PCCOMMS_H |
AjK | 0:0a841b89d614 | 25 | |
AjK | 0:0a841b89d614 | 26 | #include "sowb.h" |
AjK | 0:0a841b89d614 | 27 | |
AjK | 0:0a841b89d614 | 28 | #define PCCOMMS_STATE_WAITING 0 |
AjK | 0:0a841b89d614 | 29 | #define PCCOMMS_BASE_PACKET_READ 1 |
AjK | 0:0a841b89d614 | 30 | #define PCCOMMS_PACKET_READ 2 |
AjK | 0:0a841b89d614 | 31 | #define PCCOMMS_BASE_PACKET_BAD_CSUM 3 |
AjK | 0:0a841b89d614 | 32 | |
AjK | 0:0a841b89d614 | 33 | #define PCCOMMS_PACKET_ACCEPTED 1 |
AjK | 0:0a841b89d614 | 34 | #define PCCOMMS_PACKET_REJECTED 2 |
AjK | 0:0a841b89d614 | 35 | |
AjK | 0:0a841b89d614 | 36 | typedef struct _base_packet_bin { |
AjK | 0:0a841b89d614 | 37 | uint16_t mode; |
AjK | 0:0a841b89d614 | 38 | uint16_t length; |
AjK | 0:0a841b89d614 | 39 | } BASE_PACKET_B; |
AjK | 0:0a841b89d614 | 40 | |
AjK | 0:0a841b89d614 | 41 | #define BASE_PACKET_B_LEN sizeof(BASE_PACKET_B) |
AjK | 0:0a841b89d614 | 42 | |
AjK | 0:0a841b89d614 | 43 | typedef struct _base_packet_ascii { |
AjK | 0:0a841b89d614 | 44 | char lead_char; |
AjK | 0:0a841b89d614 | 45 | char mode[4]; |
AjK | 0:0a841b89d614 | 46 | char length[4]; |
AjK | 0:0a841b89d614 | 47 | char csum; |
AjK | 0:0a841b89d614 | 48 | char flag; |
AjK | 0:0a841b89d614 | 49 | char trail_char; |
AjK | 0:0a841b89d614 | 50 | } BASE_PACKET_A; |
AjK | 0:0a841b89d614 | 51 | |
AjK | 0:0a841b89d614 | 52 | #define BASE_PACKET_A_LEN sizeof(BASE_PACKET_A) |
AjK | 0:0a841b89d614 | 53 | |
AjK | 0:0a841b89d614 | 54 | #define BASE_PACKET_WRAP if(header_packet_in>=BASE_PACKET_A_LEN)header_packet_in=0 |
AjK | 0:0a841b89d614 | 55 | |
AjK | 0:0a841b89d614 | 56 | void pccomms_init(void); |
AjK | 0:0a841b89d614 | 57 | void pccomms_process(void); |
AjK | 0:0a841b89d614 | 58 | |
AjK | 0:0a841b89d614 | 59 | void Uart3_init(void); |
AjK | 0:0a841b89d614 | 60 | void Uart3_putc(char c); |
AjK | 0:0a841b89d614 | 61 | int Uart3_getc(int block); |
AjK | 0:0a841b89d614 | 62 | |
AjK | 0:0a841b89d614 | 63 | void base_packet_a2b(BASE_PACKET_B *b, BASE_PACKET_A *a); |
AjK | 0:0a841b89d614 | 64 | void base_packet_b2a(BASE_PACKET_A *a, BASE_PACKET_B *b); |
AjK | 0:0a841b89d614 | 65 | |
AjK | 0:0a841b89d614 | 66 | /* Buffer sizes MUST be a aligned 2^, for example 8, 16, 32, 64, 128, 256, 512, 1024, etc |
AjK | 0:0a841b89d614 | 67 | Do NOT use any other value or the buffer wrapping firmware won't work. */ |
AjK | 0:0a841b89d614 | 68 | #define UART3_TX_BUFFER_SIZE 512 |
AjK | 0:0a841b89d614 | 69 | #define UART3_RX_BUFFER_SIZE 512 |
AjK | 0:0a841b89d614 | 70 | |
AjK | 0:0a841b89d614 | 71 | |
AjK | 0:0a841b89d614 | 72 | #endif |