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
- Committer:
- AjK
- Date:
- 2010-10-11
- Revision:
- 0:0a841b89d614
File content as of revision 0:0a841b89d614:
/**************************************************************************** * Copyright 2010 Andy Kirkham, Stellar Technologies Ltd * * This file is part of the Satellite Observers Workbench (SOWB). * * SOWB 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 3 of the License, or * (at your option) any later version. * * SOWB 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 SOWB. If not, see <http://www.gnu.org/licenses/>. * * $Id: main.cpp 5 2010-07-12 20:51:11Z ajk $ * ***************************************************************************/ #ifndef PCCOMMS_H #define PCCOMMS_H #include "sowb.h" #define PCCOMMS_STATE_WAITING 0 #define PCCOMMS_BASE_PACKET_READ 1 #define PCCOMMS_PACKET_READ 2 #define PCCOMMS_BASE_PACKET_BAD_CSUM 3 #define PCCOMMS_PACKET_ACCEPTED 1 #define PCCOMMS_PACKET_REJECTED 2 typedef struct _base_packet_bin { uint16_t mode; uint16_t length; } BASE_PACKET_B; #define BASE_PACKET_B_LEN sizeof(BASE_PACKET_B) typedef struct _base_packet_ascii { char lead_char; char mode[4]; char length[4]; char csum; char flag; char trail_char; } BASE_PACKET_A; #define BASE_PACKET_A_LEN sizeof(BASE_PACKET_A) #define BASE_PACKET_WRAP if(header_packet_in>=BASE_PACKET_A_LEN)header_packet_in=0 void pccomms_init(void); void pccomms_process(void); void Uart3_init(void); void Uart3_putc(char c); int Uart3_getc(int block); void base_packet_a2b(BASE_PACKET_B *b, BASE_PACKET_A *a); void base_packet_b2a(BASE_PACKET_A *a, BASE_PACKET_B *b); /* Buffer sizes MUST be a aligned 2^, for example 8, 16, 32, 64, 128, 256, 512, 1024, etc Do NOT use any other value or the buffer wrapping firmware won't work. */ #define UART3_TX_BUFFER_SIZE 512 #define UART3_RX_BUFFER_SIZE 512 #endif