Diff: pccomms/pccomms.h

Revision:

0:0a841b89d614

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pccomms/pccomms.h	Mon Oct 11 10:34:55 2010 +0000
@@ -0,0 +1,72 @@
+/****************************************************************************
+ *    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