common/OWDS2423.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
  35 #define _CHANGEABLE_ID_
  36 #define _ZERO_POLLING_
  37 #include "../common/OWConfig.s"
  38 #include "../common/OWCRC16.s"
  39
  40 .extern pack,45
  41 .extern counters,8
  42
  43 .macro CHIP_INIT
  44 .endm
  45
  46 .macro COMMAND_TABLE
  47                 rjmp h_writescratchpad
  48                 rjmp h_writescratchpad_crc
  49                 rjmp h_readscratchpad
  50                 rjmp h_copyscratchpad
  51                 rjmp h_readmemory_addr
  52                 rjmp h_readmemory
  53                 rjmp h_readmemorycounter_addr
  54                 rjmp h_readmemorycounter
  55                 rjmp h_readmemorycounter_ex
  56 .endm
  57
  58 #include "../common/OWRomFunctions.s"
  59 #include "../common/OWTimerInterrupt.s"
  60
  61
  62
  63 ; Ab hier Geraeteabhaenging
  64 #define OW_WRITE_SCRATCHPAD OW_FIRST_COMMAND+0
  65 #define OW_WRITE_SCRATCHPAD_CRC OW_FIRST_COMMAND+1
  66 #define OW_READ_SCRATCHPAD OW_FIRST_COMMAND+2
  67 #define OW_COPY_SCRATCHPAD OW_FIRST_COMMAND+3
  68 #define OW_READ_MEMORY_ADDR OW_FIRST_COMMAND+4
  69 #define OW_READ_MEMORY OW_FIRST_COMMAND+5
  70 #define OW_READ_MEMORYCOUNTER_ADDR OW_FIRST_COMMAND+6
  71 #define OW_READ_MEMORYCOUNTER OW_FIRST_COMMAND+7
  72 #define OW_READ_MEMORYCOUNTER_EX OW_FIRST_COMMAND+8
  73
  74 ;---------------------------------------------------
  75 ;       READ COMMAND and start operation
  76 ;---------------------------------------------------
  77
  78
  79 h_readcommand:
  80         clr r_bytep
  81 #ifndef _DIS_FLASH_
  82         FLASH_COMMANDS ; muss zu erst sein....
  83 #endif
  84         cset 0x0F,OW_WRITE_SCRATCHPAD
  85         cjmp 0xAA,hrc_set_readscratchpad
  86         cset 0x5A,OW_COPY_SCRATCHPAD
  87         cset 0xF0,OW_READ_MEMORY_ADDR
  88         cset 0xA5,OW_READ_MEMORYCOUNTER_ADDR
  89         FW_CONFIG_INFO
  90 #ifdef _CHANGEABLE_ID_
  91         CHANGE_ID_COMMANDS
  92 #endif
  93         ldi r_mode,OW_SLEEP
  94         rjmp handle_end
  95
  96 hrc_set_readscratchpad:
  97         ldi r_mode,OW_READ_SCRATCHPAD
  98         ldi r_sendflag,1
  99         rjmp h_readscratchpad
 100
 101 h_writescratchpad:
 102         configZ pack,r_bytep
 103         inc  r_bytep
 104         st   Z,r_rwbyte
 105         cpi  r_bytep,2
 106         breq h_writescratchpad_block
 107         brsh h_writescratchpad_set_eoffset ;;33
 108         rjmp handle_end  ;handle_end zu weit entfernt fuer br...
 109 h_writescratchpad_set_eoffset:
 110         cpi  r_bytep,35
 111         breq h_writescratchpad_setcrc
 112         mov r_temp,r_bytep
 113         subi r_temp,4
 114         sts pack+2,r_temp ;AA und PF cleared
 115         rjmp handle_end
 116 ;Start writeing to 32 Byte Block ; skip status byte
 117 h_writescratchpad_block:
 118         lds r_temp,pack ; Adresse low byte
 119         andi r_temp,0x1F ;32 byte
 120         add r_bytep,r_temp ;Zur angegebenen Startadresse springen
 121         ;ori r_temp,0x20 ; Set PF flag
 122         sts pack+2,r_temp  ;E4:E0 vorher setzen
 123         ; Byte 3 ueberspringen
 124         rjmp handle_end_inc
 125
 126 h_writescratchpad_setcrc:
 127         ;copy crc to pack
 128         lds r_temp,crc
 129         com r_temp
 130         sts pack+43,r_temp
 131         lds r_temp,crc+1
 132         com r_temp ; invertieren , komischer name.....
 133         sts pack+44,r_temp
 134         ldi  r_mode,OW_WRITE_SCRATCHPAD_CRC
 135         ldi r_sendflag,1
 136         ldi r_bytep,43
 137 h_writescratchpad_crc:
 138         cpi r_bytep,45
 139         breq h_writescratchpad_crc_end
 140         configZ pack,r_bytep
 141         ld r_rwbyte,Z
 142         rjmp handle_end_inc
 143 h_writescratchpad_crc_end:
 144         rjmp handle_end_sleep
 145
 146
 147 h_readscratchpad:
 148         cpi r_bytep,35
 149         breq h_readscratchpad_end
 150         cpi r_bytep,3
 151         brne h_readscratchpad_read_byte
 152 h_readscratchpad_set_offset:
 153         lds r_temp,pack
 154         andi r_temp,0x1F
 155         ldi r_temp2,3
 156         add r_temp,r_temp2
 157         mov r_bytep,r_temp
 158 h_readscratchpad_read_byte:
 159         configZ pack,r_bytep
 160         ld r_rwbyte,Z
 161         rjmp handle_end_inc
 162 h_readscratchpad_end:
 163         rjmp handle_end_sleep
 164
 165
 166
 167 h_copyscratchpad:
 168         cpi  r_bytep,3
 169         brsh h_copyscratchpad_ok
 170         configZ pack,r_bytep
 171         inc  r_bytep
 172         ld   r_temp,Z
 173         cp r_temp,r_rwbyte
 174         brne h_copyscratchpad_nok
 175         cpi  r_bytep,3
 176         breq h_copyscratchpad_ok
 177         ldi  r_bcount,1
 178         rjmp handle_end
 179 h_copyscratchpad_ok:
 180         ldi r_rwbyte,0xAA
 181         ldi r_sendflag,1
 182         rjmp handle_end
 183 h_copyscratchpad_nok:
 184         lds r_temp,pack+3
 185         andi r_temp,~0x80
 186         sts pack+3,r_temp
 187         rjmp handle_end_sleep
 188
 189
 190 h_readmemory_addr:
 191         cpi r_bytep,0
 192         brne h_readmrmory_addr_byte1
 193         sts pack,r_rwbyte
 194         rjmp handle_end_inc
 195 h_readmrmory_addr_byte1:
 196         sts pack+1,r_rwbyte
 197         ldi r_mode,OW_READ_MEMORY
 198         ldi r_sendflag,1
 199         clr r_bytep
 200         rjmp h_readmemory2
 201 h_readmemory:
 202         lds r_bytep,pack
 203         lds r_temp2,pack+1
 204         inc r_bytep
 205         clr r_temp
 206         adc r_temp2,r_temp
 207         sbrc r_temp2,1
 208         rjmp h_readmemory_end
 209         sts pack+1,r_temp
 210         sts pack,r_bytep
 211 h_readmemory2:
 212         lds r_bytep,pack
 213         andi r_bytep,0x1F
 214         configZ pack+3,r_bytep
 215         ld   r_rwbyte,Z
 216         rjmp handle_end
 217 h_readmemory_end:
 218         rjmp handle_end_sleep
 219
 220
 221
 222
 223
 224
 225
 226
 227 h_readmemorycounter_addr:
 228         cpi r_bytep,0
 229         brne h_readmrmorycounter_addr_byte1
 230         sts pack,r_rwbyte
 231         inc r_bytep
 232         ;ldi r_bcount,1
 233         rjmp handle_end
 234 h_readmrmorycounter_addr_byte1:
 235         sts pack+1,r_rwbyte
 236         ldi r_mode,OW_READ_MEMORYCOUNTER
 237         ;ldi r_bcount,1
 238         ldi r_sendflag,1
 239         clr r_bytep
 240         rjmp h_readmemorycounter2
 241 h_readmemorycounter:
 242         lds r_bytep,pack
 243         lds r_temp2,pack+1
 244         ldi r_temp,1  ;inc leider kein c flag
 245         add r_bytep,r_temp
 246         clr r_temp
 247         adc r_temp2,r_temp
 248         mov r_temp,r_bytep
 249         andi r_temp,0x1F
 250         breq h_readmemorycounter_next
 251         sts pack+1,r_temp2
 252         sts pack,r_bytep
 253 h_readmemorycounter2:  ;Lesen von dem worauf die erstenzwei bytes zeigen
 254         lds r_bytep,pack
 255         andi r_bytep,0x1F
 256         configZ pack+3,r_bytep
 257         ld   r_rwbyte,Z
 258         ;ldi r_bcount,1
 259         rjmp handle_end
 260 //h_readmemorycounter_end:
 261 //      ldi  r_mode,OW_SLEEP
 262 //      clr r_sendflag
 263 //      rjmp handle_end
 264 h_readmemorycounter_next:  ; rest lesen
 265         ldi  r_mode,OW_READ_MEMORYCOUNTER_EX
 266         ldi r_bytep,34
 267         lds r_temp2,pack
 268         lds r_temp,pack+1
 269         //lsr r_temp
 270         //ror r_temp2
 271
 272         lsl r_temp2
 273         rol r_temp
 274         cpi r_temp,3
 275         brne h_readmemorycounter_cFF
 276         andi r_temp2,0xC0
 277         swap r_temp2
 278
 279         ;cpi r_temp,0xE0
 280
 281         configZ counters,r_temp2
 282         ld r_temp,Z+
 283         sts pack+35,r_temp
 284         ld r_temp,Z+
 285         sts pack+36,r_temp
 286         ld r_temp,Z+
 287         sts pack+37,r_temp
 288         ld r_temp,Z+
 289         sts pack+38,r_temp
 290         rjmp h_readmemorycounter_ex
 291 h_readmemorycounter_cFF:
 292         ldi r_temp,0xFF
 293         sts pack+35,r_temp
 294         sts pack+36,r_temp
 295         sts pack+37,r_temp
 296         sts pack+38,r_temp
 297
 298 h_readmemorycounter_ex:
 299         inc r_bytep
 300         cpi r_bytep,45
 301         breq h_readmemorycounter_ex_end
 302         cpi r_bytep,43
 303         brne h_readmemorycounter_ex2
 304         lds r_temp,crc
 305         com r_temp
 306         sts pack+43,r_temp
 307         lds r_temp,crc+1
 308         com r_temp
 309         sts pack+44,r_temp
 310 h_readmemorycounter_ex2:
 311         ;ldi r_bcount,1
 312         configZ pack,r_bytep
 313         ld   r_rwbyte,Z
 314         rjmp handle_end
 315 h_readmemorycounter_ex_end:
 316         lds r_bytep,pack
 317         lds r_temp2,pack+1
 318         ldi r_temp,1  ;inc leider kein c flag
 319         add r_bytep,r_temp
 320         clr r_temp
 321         adc r_temp2,r_temp
 322         sbrc r_temp2,1 ;am ene von allem
 323         rjmp h_readmemorycounter_ex_sleep
 324         CRCInit1
 325         ldi  r_mode,OW_READ_MEMORYCOUNTER
 326         sts pack+1,r_temp2
 327         sts pack,r_bytep
 328         rjmp h_readmemorycounter2
 329 h_readmemorycounter_ex_sleep:
 330         ldi r_mode,OW_SLEEP
 331         clr r_sendflag
 332         rjmp handle_end
 333
 334
 335
 336
 337
 338 #include "../common/OWPinInterrupt.s"
 339 .end