finished basic new structure.

avr/modules/com2/defs.asm

@@ -0,0 +1,48 @@
+; ***************************************************************************
+; copyright   : (C) 2023 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+
+
+
+.equ COM2_BUFFER_SIZE = 24        ; CAVE: must change code in COM2_BufferPosToX when changing this!
+.equ COM2_BUFFER_NUM  = 4
+
+.equ COM2_MAXWAIT_US       = 100  ; maximum wait time in microseconds when waiting for rising/falling clock
+.equ COM2_MAINTENANCE_ADDR = 0xc1
+
+
+; flags for variable payload enqueue function
+.equ COM2_PAYLOAD_FLAGS_SECONDS    = 0x01
+.equ COM2_PAYLOAD_FLAGS_UID        = 0x02
+.equ COM2_PAYLOAD_FLAGS_RESERVED1  = 0x04
+.equ COM2_PAYLOAD_FLAGS_NUM0       = 0x08
+.equ COM2_PAYLOAD_FLAGS_NUM1       = 0x10
+.equ COM2_PAYLOAD_FLAGS_NUM2       = 0x20
+.equ COM2_PAYLOAD_FLAGS_NUM3       = 0x40
+.equ COM2_PAYLOAD_FLAGS_NUM4       = 0x80
+.equ COM2_PAYLOAD_FLAGS_SHIFT_NUM  = 3
+
+
+
+.equ COM2_MSG_OFFS_DESTADDR        = 0
+.equ COM2_MSG_OFFS_MSGLEN          = 1
+.equ COM2_MSG_OFFS_MSGDATA         = 2
+.equ COM2_MSG_OFFS_CMD             = 2 ; first at COM2_MSG_OFFS_MSGDATA
+.equ COM2_MSG_OFFS_SRCADDR         = 3
+.equ COM2_MSG_OFFS_PAYLOAD         = 4 ; payload for the cmd follows here
+
+
+.equ COM2_ERROR_NOTFORME           = 1 ; receiption errors
+.equ COM2_ERROR_IOERROR            = 2
+.equ COM2_ERROR_DATAERROR          = 3
+.equ COM2_ERROR_BUSY               = 4 ; send errors
+.equ COM2_ERROR_COLLISION          = 5
+
+