DS2406/OWDS2406.S

   1
   2 // Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de
   3 // All rights reserved.
   4 //
   5 // Redistribution and use in source and binary forms, with or without
   6 // modification, are permitted provided that the following conditions are
   7 // met:
   8 //
   9 //  * Redistributions of source code must retain the above copyright
  10 //    notice, this list of conditions and the following disclaimer.
  11 //  * Redistributions in binary form must reproduce the above copyright
  12 //    notice, this list of conditions and the following disclaimer in the
  13 //    documentation and/or other materials provided with the
  14 //    distribution.
  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.
  21 //
  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
  26 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  27 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  28 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  29 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  30 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  31 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33
  34 #define  _CHANGEABLE_ID_
  35 #include "../common/OWConfig.s"
  36 #include "../common/OWCRC16.s"
  37
  38 .extern pack,45
  39 .extern counters,8
  40
  41 .macro CHIP_INIT
  42 .endm
  43
  44 .macro COMMAND_TABLE
  45                 rjmp h_channelaccess
  46 .endm
  47
  48 #include "../common/OWRomFunctions.s"
  49 #include "../common/OWTimerInterrupt.s"
  50
  51
  52
  53 ; Ab hier Geraeteabhaenging
  54 #define OW_CHANNEL_ACCESS OW_FIRST_COMMAND+0
  55
  56 ;---------------------------------------------------
  57 ;       READ COMMAND and start operation
  58 ;---------------------------------------------------
  59
  60
  61 h_readcommand:
  62         clr r_bytep
  63 #ifndef _DIS_FLASH_
  64         FLASH_COMMANDS ; muss zu erst sein....
  65 #endif
  66         cset 0x0F,OW_WRITE_SCRATCHPAD
  67         cjmp 0xAA,hrc_set_readscratchpad
  68         cset 0x5A,OW_COPY_SCRATCHPAD
  69         cset 0xF0,OW_READ_MEMORY_ADDR
  70         cset 0xA5,OW_READ_MEMORYCOUNTER_ADDR
  71 #ifdef _CHANGEABLE_ID_
  72         CHANGE_ID_COMMANDS
  73 #endif
  74         ldi r_mode,OW_SLEEP
  75         rjmp handle_end
  76
  77 hrc_set_readscratchpad:
  78         ldi r_mode,OW_READ_SCRATCHPAD
  79         ldi r_sendflag,1
  80         rjmp h_readscratchpad
  81
  82 h_writescratchpad:
  83         configZ pack,r_bytep
  84         inc  r_bytep
  85         st   Z,r_rwbyte
  86         cpi  r_bytep,2
  87         breq h_writescratchpad_block
  88         brsh h_writescratchpad_set_eoffset ;;33
  89         rjmp handle_end  ;handle_end zu weit entfernt fuer br...
  90 h_writescratchpad_set_eoffset:
  91         cpi  r_bytep,35
  92         breq h_writescratchpad_setcrc
  93         mov r_temp,r_bytep
  94         subi r_temp,4
  95         sts pack+2,r_temp ;AA und PF cleared
  96         rjmp handle_end
  97 ;Start writeing to 32 Byte Block ; skip status byte
  98 h_writescratchpad_block:
  99         lds r_temp,pack ; Adresse low byte
 100         andi r_temp,0x1F ;32 byte
 101         add r_bytep,r_temp ;Zur angegebenen Startadresse springen
 102         ;ori r_temp,0x20 ; Set PF flag
 103         sts pack+2,r_temp  ;E4:E0 vorher setzen
 104         ; Byte 3 ueberspringen
 105         rjmp handle_end_inc
 106
 107 h_writescratchpad_setcrc:
 108         ;copy crc to pack
 109         lds r_temp,crc
 110         com r_temp
 111         sts pack+43,r_temp
 112         lds r_temp,crc+1
 113         com r_temp ; invertieren , komischer name.....
 114         sts pack+44,r_temp
 115         ldi  r_mode,OW_WRITE_SCRATCHPAD_CRC
 116         ldi r_sendflag,1
 117         ldi r_bytep,43
 118 h_writescratchpad_crc:
 119         cpi r_bytep,45
 120         breq h_writescratchpad_crc_end
 121         configZ pack,r_bytep
 122         ld r_rwbyte,Z
 123         rjmp handle_end_inc
 124 h_writescratchpad_crc_end:
 125         rjmp handle_end_sleep
 126
 127
 128 h_readscratchpad:
 129         cpi r_bytep,35
 130         breq h_readscratchpad_end
 131         cpi r_bytep,3
 132         brne h_readscratchpad_read_byte
 133 h_readscratchpad_set_offset:
 134         lds r_temp,pack
 135         andi r_temp,0x1F
 136         ldi r_temp2,3
 137         add r_temp,r_temp2
 138         mov r_bytep,r_temp
 139 h_readscratchpad_read_byte:
 140         configZ pack,r_bytep
 141         ld r_rwbyte,Z
 142         rjmp handle_end_inc
 143 h_readscratchpad_end:
 144         rjmp handle_end_sleep
 145
 146
 147
 148 h_copyscratchpad:
 149         cpi  r_bytep,3
 150         brsh h_copyscratchpad_ok
 151         configZ pack,r_bytep
 152         inc  r_bytep
 153         ld   r_temp,Z
 154         cp r_temp,r_rwbyte
 155         brne h_copyscratchpad_nok
 156         cpi  r_bytep,3
 157         breq h_copyscratchpad_ok
 158         ldi  r_bcount,1
 159         rjmp handle_end
 160 h_copyscratchpad_ok:
 161         ldi r_rwbyte,0xAA
 162         ldi r_sendflag,1
 163         rjmp handle_end
 164 h_copyscratchpad_nok:
 165         lds r_temp,pack+3
 166         andi r_temp,~0x80
 167         sts pack+3,r_temp
 168         rjmp handle_end_sleep
 169
 170
 171 h_readmemory_addr:
 172         cpi r_bytep,0
 173         brne h_readmrmory_addr_byte1
 174         sts pack,r_rwbyte
 175         rjmp handle_end_inc
 176 h_readmrmory_addr_byte1:
 177         sts pack+1,r_rwbyte
 178         ldi r_mode,OW_READ_MEMORY
 179         ldi r_sendflag,1
 180         clr r_bytep
 181         rjmp h_readmemory2
 182 h_readmemory:
 183         lds r_bytep,pack
 184         lds r_temp2,pack+1
 185         inc r_bytep
 186         clr r_temp
 187         adc r_temp2,r_temp
 188         sbrc r_temp2,1
 189         rjmp h_readmemory_end
 190         sts pack+1,r_temp
 191         sts pack,r_bytep
 192 h_readmemory2:
 193         lds r_bytep,pack
 194         andi r_bytep,0x1F
 195         configZ pack+3,r_bytep
 196         ld   r_rwbyte,Z
 197         rjmp handle_end
 198 h_readmemory_end:
 199         rjmp handle_end_sleep
 200
 201
 202
 203
 204
 205
 206
 207
 208 h_readmemorycounter_addr:
 209         cpi r_bytep,0
 210         brne h_readmrmorycounter_addr_byte1
 211         sts pack,r_rwbyte
 212         inc r_bytep
 213         ;ldi r_bcount,1
 214         rjmp handle_end
 215 h_readmrmorycounter_addr_byte1:
 216         sts pack+1,r_rwbyte
 217         ldi r_mode,OW_READ_MEMORYCOUNTER
 218         ;ldi r_bcount,1
 219         ldi r_sendflag,1
 220         clr r_bytep
 221         rjmp h_readmemorycounter2
 222 h_readmemorycounter:
 223         lds r_bytep,pack
 224         lds r_temp2,pack+1
 225         ldi r_temp,1  ;inc leider kein c flag
 226         add r_bytep,r_temp
 227         clr r_temp
 228         adc r_temp2,r_temp
 229         mov r_temp,r_bytep
 230         andi r_temp,0x1F
 231         breq h_readmemorycounter_next
 232         sts pack+1,r_temp2
 233         sts pack,r_bytep
 234 h_readmemorycounter2:  ;Lesen von dem worauf die erstenzwei bytes zeigen
 235         lds r_bytep,pack
 236         andi r_bytep,0x1F
 237         configZ pack+3,r_bytep
 238         ld   r_rwbyte,Z
 239         ;ldi r_bcount,1
 240         rjmp handle_end
 241 //h_readmemorycounter_end:
 242 //      ldi  r_mode,OW_SLEEP
 243 //      clr r_sendflag
 244 //      rjmp handle_end
 245 h_readmemorycounter_next:  ; rest lesen
 246         ldi  r_mode,OW_READ_MEMORYCOUNTER_EX
 247         ldi r_bytep,34
 248         lds r_temp2,pack
 249         lds r_temp,pack+1
 250         //lsr r_temp
 251         //ror r_temp2
 252
 253         lsl r_temp2
 254         rol r_temp
 255         cpi r_temp,3
 256         brne h_readmemorycounter_cFF
 257         andi r_temp2,0xC0
 258         swap r_temp2
 259
 260         ;cpi r_temp,0xE0
 261
 262         configZ counters,r_temp2
 263         ld r_temp,Z+
 264         sts pack+35,r_temp
 265         ld r_temp,Z+
 266         sts pack+36,r_temp
 267         ld r_temp,Z+
 268         sts pack+37,r_temp
 269         ld r_temp,Z+
 270         sts pack+38,r_temp
 271         rjmp h_readmemorycounter_ex
 272 h_readmemorycounter_cFF:
 273         ldi r_temp,0xFF
 274         sts pack+35,r_temp
 275         sts pack+36,r_temp
 276         sts pack+37,r_temp
 277         sts pack+38,r_temp
 278
 279 h_readmemorycounter_ex:
 280         inc r_bytep
 281         cpi r_bytep,45
 282         breq h_readmemorycounter_ex_end
 283         cpi r_bytep,43
 284         brne h_readmemorycounter_ex2
 285         lds r_temp,crc
 286         com r_temp
 287         sts pack+43,r_temp
 288         lds r_temp,crc+1
 289         com r_temp
 290         sts pack+44,r_temp
 291 h_readmemorycounter_ex2:
 292         ;ldi r_bcount,1
 293         configZ pack,r_bytep
 294         ld   r_rwbyte,Z
 295         rjmp handle_end
 296 h_readmemorycounter_ex_end:
 297         lds r_bytep,pack
 298         lds r_temp2,pack+1
 299         ldi r_temp,1  ;inc leider kein c flag
 300         add r_bytep,r_temp
 301         clr r_temp
 302         adc r_temp2,r_temp
 303         sbrc r_temp2,1 ;am ene von allem
 304         rjmp h_readmemorycounter_ex_sleep
 305         CRCInit1
 306         ldi  r_mode,OW_READ_MEMORYCOUNTER
 307         sts pack+1,r_temp2
 308         sts pack,r_bytep
 309         rjmp h_readmemorycounter2
 310 h_readmemorycounter_ex_sleep:
 311         ldi r_mode,OW_SLEEP
 312         clr r_sendflag
 313         rjmp handle_end
 314
 315
 316
 317
 318
 319 #include "../common/OWPinInterrupt.s"
 320 .end