2 // Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de
3 // All rights reserved.
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
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12 // notice, this list of conditions and the following disclaimer in the
13 // documentation and/or other materials provided with the
15 // * All advertising materials mentioning features or use of this
16 // software must display the following acknowledgement: This product
17 // includes software developed by tm3d.de and its contributors.
18 // * Neither the name of tm3d.de nor the names of its contributors may
19 // be used to endorse or promote products derived from this software
20 // without specific prior written permission.
22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #define _CHANGEABLE_ID_
36 #include "../common/OWConfig.s"
37 #include "../common/OWCRC16.s"
40 .comm addr,1 ;zweites Adressbyte ist unnoetig (Warum auch immer fuer 32 Byte 16 Bit Adressen verwendet werden....)
41 .comm crcsave,1 ; zwischenspeicherspeicher fuer crc nur zweites byte....
42 //.extern am2302_temp,2
54 rjmp h_writememoryaddr
56 rjmp h_writememorycrc1
57 rjmp h_writememorycrc2
58 rjmp h_writememoryreadback
64 #include "../common/OWRomFunctions.s"
65 #include "../common/OWTimerInterrupt.s"
69 ; Ab hier Geraeteabhaenging
70 #define OW_READ_MEMORY_ADDR OW_FIRST_COMMAND+0
71 #define OW_READ_MEMORY OW_FIRST_COMMAND+1
72 #define OW_READ_MEMORY_CRC1 OW_FIRST_COMMAND+2
73 #define OW_READ_MEMORY_CRC2 OW_FIRST_COMMAND+3
74 #define OW_WRITE_MEMORY_ADDR OW_FIRST_COMMAND+4
75 #define OW_WRITE_MEMORY OW_FIRST_COMMAND+5
76 #define OW_WRITE_MEMORY_CRC1 OW_FIRST_COMMAND+6
77 #define OW_WRITE_MEMORY_CRC2 OW_FIRST_COMMAND+7
78 #define OW_WRITE_MEMORY_READBACK OW_FIRST_COMMAND+8
79 #define OW_CONVERT OW_FIRST_COMMAND+9
80 #define OW_CONVERT_CRC1 OW_FIRST_COMMAND+10
81 #define OW_CONVERT_CRC2 OW_FIRST_COMMAND+11
84 ;---------------------------------------------------
85 ; READ COMMAND and start operation
86 ;---------------------------------------------------
92 FLASH_COMMANDS ; muss zu erst sein....
94 cset 0xAA,OW_READ_MEMORY_ADDR
95 cset 0x55,OW_WRITE_MEMORY_ADDR
98 #ifdef _CHANGEABLE_ID_
106 cpi r_bytep,0 ;erstes Adressbyte ?
107 brne h_readmemory_addr_byte1 ;nein dann weiter
108 andi r_rwbyte,0x1F ; nur Adressen zwischen 0 und 0x1F zulassen
109 sts addr,r_rwbyte ;speichern des ersten bytes
111 h_readmemory_addr_byte1: ;zweiters Addressbyte wird nicht gespeichert!
112 ldi r_mode,OW_READ_MEMORY ;weiter zu read Memory
113 ;;ldi r_bcount,1 ;ist unten
114 ldi r_sendflag,1 ;jetzt sendet der Slave zum Master
122 breq h_readmemory_init_crc
125 ;andi r_bytep,0x1F ist oben
129 rjmp handle_end ;sendet das Byte und geht zu h_readmemory
130 h_readmemory_init_crc:; init erstes CRC byte
136 ldi r_mode,OW_READ_MEMORY_CRC1
143 h_readmemorycrc1:;init zweites CRC Byte
146 ldi r_mode,OW_READ_MEMORY_CRC2
148 h_readmemorycrc2:;weiteres senden..... nach zweitem Byte
151 brne h_readmemory_end; ende des speichers
152 ldi r_mode,OW_READ_MEMORY
153 CRCInit1 ;Start with new CRC
157 cpi r_bytep,0 ;erstes Adressbyte ?
158 brne h_writememory_addr_byte1 ;nein dann weiter
159 andi r_rwbyte,0x1F ; nur Adressen zwischen 0 und 0x1F zulassen
160 sts addr,r_rwbyte ;speichern des ersten bytes
164 h_writememory_addr_byte1: ;zweiters Addressbyte wird nicht gespeichert!
165 ldi r_mode,OW_WRITE_MEMORY ;weiter zu read Memory
166 ;ldi r_bcount,1 ;; _________________________________________________in handle_end integrieren.....
168 rjmp handle_end ;read Memory Byte
174 ldi r_mode,OW_WRITE_MEMORY_CRC1
175 ldi r_sendflag,1 ;jetzt sendet der Slave zum Master
185 ldi r_mode,OW_WRITE_MEMORY_CRC2
192 ldi r_mode,OW_WRITE_MEMORY_READBACK
194 h_writememoryreadback:
203 ldi r_mode,OW_WRITE_MEMORY
207 cpi r_bytep,0 ;erstes Adressbyte ?
208 brne h_convert_byte1 ;nein dann weiter
210 sts pack+0x20,r_rwbyte
213 h_convert_byte1: ;zweies byte glesen go crc#
214 sts pack+0x21,r_rwbyte
220 ldi r_mode,OW_CONVERT_CRC1
227 ldi r_mode,OW_CONVERT_CRC2
240 #include "../common/OWPinInterrupt.s"