common/OWDS18B20_DS2438.S

   1
   2 // Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de
   3 // All rights reserved.
   4 //
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   7 // met:
   8 //
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  10 //    notice, this list of conditions and the following disclaimer.
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  12 //    notice, this list of conditions and the following disclaimer in the
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  14 //    distribution.
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  21 //
  22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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  32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33
  34 #define _CHANGEABLE_ID_
  35 #define _ZERO_POLLING_
  36 //#define _DB_
  37
  38 #include "../common/OWConfig.s"
  39 #include "../common/OWCRC8.s"
  40
  41 .extern pack1,8
  42
  43 //.extern  am2302_temp,2
  44
  45 #if  defined(__AVR_ATtiny25__)
  46 .extern pack2,16
  47 #else
  48 .extern pack2,64
  49 #endif
  50 .extern  am2302_temp,2
  51 .extern  am2302_hum,2
  52 .comm block,1 ; Block der augegeben, geschrieben wird (Parameter von READ/WRITE Scratchpad)
  53
  54
  55 .macro CHIP_INIT        ;r_temp is pushed other Registers should be saved
  56 Init_EEPROM_read:
  57         push r_bytep
  58         push r_rwbyte
  59         sbic _SFR_IO_ADDR(EECR), EEPE
  60         rjmp Init_EEPROM_read
  61         ldi r_temp,0
  62         out _SFR_IO_ADDR(EEARH), r_temp
  63         ldi r_temp,2
  64         out _SFR_IO_ADDR(EEARL), r_temp
  65         sbi _SFR_IO_ADDR(EECR), EERE
  66         in r_temp,_SFR_IO_ADDR(EEDR)
  67         sbrs r_temp,7
  68         rcall hrc_recall_eeprom_func1
  69         pop r_rwbyte
  70         pop r_bytep
  71 .endm
  72
  73 .macro COMMAND_TABLE
  74                 rjmp h_readscratchpad1
  75                 rjmp h_writescratchpad1
  76                 rjmp h_convert_run1
  77                 rjmp h_readscratchpad_adr2
  78                 rjmp h_readscratchpad2
  79                 rjmp h_writescratchpad_adr2
  80                 rjmp h_writescratchpad2
  81 .endm
  82
  83 #include "../common/OWRomFunctionsDual.s"
  84 #include "../common/OWTimerInterrupt.s"
  85
  86
  87
  88 ; Ab hier Geraeteabhaenging
  89 #define OW_READ_SCRATCHPAD1 OW_FIRST_COMMAND+0
  90 #define OW_WRITE_SCRATCHPAD1 OW_FIRST_COMMAND+1
  91 #define OW_CONVERT_RUN1  OW_FIRST_COMMAND+2
  92 #define OW_READ_SCRATCHPAD_ADR2 OW_FIRST_COMMAND+3
  93 #define OW_READ_SCRATCHPAD2 OW_FIRST_COMMAND+4
  94 #define OW_WRITE_SCRATCHPAD_ADR2 OW_FIRST_COMMAND+5
  95 #define OW_WRITE_SCRATCHPAD2 OW_FIRST_COMMAND+6
  96
  97
  98 ;---------------------------------------------------
  99 ;       READ COMMAND and start operation
 100 ;---------------------------------------------------
 101
 102
 103 h_readcommand1:
 104         clr r_bytep
 105 #ifndef _DIS_FLASH_
 106         FLASH_COMMANDS ; muss zu erst sein....
 107 #endif
 108         cjmp 0xBE,hrc_set_readscratchpad1
 109         cjmp 0x4E,hrc_set_writescratchpad1
 110         cjmp 0x44,hrc_set_convertT1
 111         cjmp 0x48,hrc_copy_scratchpad1
 112         cjmp 0xB8,hrc_recall_eeprom1
 113         FW_CONFIG_INFO1
 114 #ifdef _CHANGEABLE_ID_
 115         CHANGE_ID_COMMANDS
 116 #endif
 117         ldi r_mode,OW_SLEEP
 118         rjmp handle_end
 119
 120 hrc_set_readscratchpad1:
 121         ldi r_mode,OW_READ_SCRATCHPAD1
 122         ldi r_sendflag,1
 123         CRCInit2
 124         rjmp h_readscratchpad1
 125
 126 hrc_set_writescratchpad1:
 127         ldi r_mode,OW_WRITE_SCRATCHPAD1
 128         ldi r_bytep,2 ;start to write in 2
 129         rjmp handle_end
 130
 131 hrc_recall_eeprom1:
 132         rcall hrc_recall_eeprom_func1
 133         rjmp handle_end
 134
 135
 136
 137 hrc_set_convertT1:
 138         ldi r_temp,1
 139         sts gcontrol,r_temp
 140
 141         ldi r_mode,OW_CONVERT_RUN1
 142         ldi r_sendflag,3 ;set bit 0 and 1 for no zero polling
 143 h_convert_run1:
 144         ldi r_bcount,0
 145         ldi r_rwbyte,0
 146         rjmp handle_end_no_bcount
 147
 148
 149 hrc_copy_scratchpad1:
 150         ldi r_bytep,2
 151         configZ pack1,r_bytep
 152         clr r_bytep
 153 hrc_copy_scratchpad_EEPROM_write1:
 154         sbic _SFR_IO_ADDR(EECR), EEPE
 155         rjmp hrc_copy_scratchpad_EEPROM_write1
 156         ldi r_temp, (0<<EEPM1)|(0<<EEPM0)
 157         out _SFR_IO_ADDR(EECR), r_temp
 158         ldi r_temp,0
 159         out _SFR_IO_ADDR(EEARH),r_temp
 160         out _SFR_IO_ADDR(EEARL), r_bytep
 161         ld  r_rwbyte,Z+
 162         out _SFR_IO_ADDR(EEDR), r_rwbyte
 163         sbi _SFR_IO_ADDR(EECR), EEMPE
 164         sbi _SFR_IO_ADDR(EECR), EEPE
 165         inc r_bytep
 166         cpi r_bytep,3
 167         brne hrc_copy_scratchpad_EEPROM_write1
 168         rjmp handle_end
 169
 170
 171 hrc_recall_eeprom_func1:
 172         ldi r_bytep,2
 173         configZ pack1,r_bytep
 174         clr r_bytep
 175         clr r_temp
 176 hrc_recall_eeprom_EEPROM_read1:
 177         sbic _SFR_IO_ADDR(EECR), EEPE
 178         rjmp hrc_recall_eeprom_EEPROM_read1
 179         out _SFR_IO_ADDR(EEARH), r_temp
 180         out _SFR_IO_ADDR(EEARL), r_bytep
 181         sbi _SFR_IO_ADDR(EECR), EERE
 182         in r_rwbyte,_SFR_IO_ADDR(EEDR)
 183         st Z+,r_rwbyte
 184         inc r_bytep
 185         cpi r_bytep,3
 186         brne hrc_recall_eeprom_EEPROM_read1
 187         ret
 188
 189
 190
 191
 192
 193
 194 ;---------------------------------------------------
 195 ;   READ SCRATCHPAD
 196 ;---------------------------------------------------
 197
 198 h_readscratchpad1:
 199         cpi  r_bytep,8
 200         breq h_readscratchpad_crc1
 201         cpi  r_bytep,9
 202         breq h_readscratchpad_all1
 203         configZ pack1,r_bytep
 204         ld   r_rwbyte,Z
 205         rjmp h_readscratchpad_endc1
 206 h_readscratchpad_crc1:
 207         lds  r_rwbyte,crc
 208 h_readscratchpad_endc1:
 209         inc  r_bytep
 210         ldi  r_bcount,1
 211         rjmp handle_end
 212 h_readscratchpad_all1:
 213         rjmp handle_end_sleep
 214
 215
 216
 217
 218
 219 ;---------------------------------------------------
 220 ;   WRITE SCRATCHPAD
 221 ;---------------------------------------------------
 222
 223 h_writescratchpad1:
 224         configZ pack1,r_bytep
 225         inc  r_bytep
 226         cpi  r_bytep,5
 227         breq h_writescratchpad_all1
 228         st   Z,r_rwbyte
 229         rjmp handle_end
 230 h_writescratchpad_all1:
 231         ori r_rwbyte,0x1F ; Alle unteren Bits sind immer 1
 232         st   Z,r_rwbyte
 233         rjmp handle_end_sleep
 234
 235 ;*****************************************************************************************************************************************************************************************
 236 ;*****************************************************************************************************************************************************************************************
 237 ;*****************************************************************************************************************************************************************************************
 238 ;*****************************************************************************************************************************************************************************************
 239 ;*****************************************************************************************************************************************************************************************
 240
 241
 242
 243
 244
 245 h_readcommand2:
 246         clr r_bytep
 247 #ifndef _DIS_FLASH_
 248         FLASH_COMMANDS ; muss zu erst sein....
 249 #endif
 250         cset 0xBE,OW_READ_SCRATCHPAD_ADR2
 251         cset 0x4E,OW_WRITE_SCRATCHPAD_ADR2
 252         cjmp 0x44,hrc_set_convertT2
 253         cjmp 0xB4,hrc_set_convertV2
 254         FW_CONFIG_INFO2
 255         //cljmp 0x85,hrc_fw_configinfo2
 256 #ifdef _CHANGEABLE_ID_
 257         CHANGE_ID_COMMANDS
 258 #endif
 259         rjmp handle_end_sleep
 260
 261
 262 hrc_set_convertT2:
 263         ldi r_temp,2
 264         sts gcontrol,r_temp
 265         lds r_temp,am2302_temp
 266         sts pack2+1,r_temp
 267         lds r_temp,am2302_temp+1
 268         sts pack2+2,r_temp
 269         rjmp handle_end_sleep
 270 hrc_set_convertV2:
 271         lds r_temp,pack2
 272         sbrs r_temp,3
 273         rjmp hrc_set_convertVV2
 274         ldi r_temp,0xF4
 275         sts pack2+3,r_temp
 276         ldi r_temp,0x01
 277         sts pack2+4,r_temp
 278         rjmp hrc_set_convertend2
 279 hrc_set_convertVV2:
 280         ldi r_temp,3
 281         sts gcontrol,r_temp
 282         lds r_temp,am2302_hum
 283         sts pack2+3,r_temp
 284         lds r_temp,am2302_hum+1
 285         sts pack2+4,r_temp
 286 hrc_set_convertend2:
 287         rjmp handle_end_sleep
 288
 289
 290
 291 ;---------------------------------------------------
 292 ;   READ SCRATCHPAD
 293 ;---------------------------------------------------
 294
 295 h_readscratchpad_adr2:
 296         lsl r_rwbyte
 297         lsl r_rwbyte
 298         lsl r_rwbyte
 299 #if  defined(__AVR_ATtiny25__)
 300         andi r_rwbyte,0x01 ;nur Page 0 und 1 und das immer wiederholen
 301 #endif
 302         sts block,r_rwbyte
 303         ldi r_sendflag,1
 304         ldi r_mode,OW_READ_SCRATCHPAD2
 305         CRCInit2
 306 h_readscratchpad2:
 307         cpi  r_bytep,8
 308         breq h_readscratchpad_crc2
 309         cpi  r_bytep,9
 310         breq h_readscratchpad_all2
 311         lds  r_temp,block
 312         add  r_temp,r_bytep
 313         configZ pack2,r_temp
 314         ld   r_rwbyte,Z
 315         rjmp handle_end_inc
 316 h_readscratchpad_crc2:
 317         lds  r_rwbyte,crc
 318         rjmp handle_end_inc
 319 h_readscratchpad_all2:
 320         rjmp handle_end_sleep
 321
 322
 323
 324
 325 ;---------------------------------------------------
 326 ;   WRITE SCRATCHPAD
 327 ;---------------------------------------------------
 328 h_writescratchpad_adr2:
 329         lsl r_rwbyte
 330         lsl r_rwbyte
 331         lsl r_rwbyte
 332 #if  defined(__AVR_ATtiny25__)
 333         andi r_rwbyte,0x01 ;nur Page 0 und 1 und das immer wiederholen
 334 #endif
 335         sts block,r_rwbyte
 336         ldi r_mode,OW_WRITE_SCRATCHPAD2
 337         ldi  r_bcount,1
 338         rjmp handle_end
 339 h_writescratchpad2:
 340         cpi  r_bytep,8
 341         breq h_writescratchpad_all2
 342         lds  r_temp,block
 343         add  r_temp,r_bytep
 344         configZ pack2,r_temp
 345         st   Z,r_rwbyte
 346         rjmp handle_end_inc
 347 h_writescratchpad_all2:
 348         rjmp handle_end_sleep
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358 #include "../common/OWPinInterrupt.s"
 359 .end