DS18B20_BMP280_DS2438_SHT/OWDS18B20_DS2438.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.
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  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,
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  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 #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
  56 Init_EEPROM_read:
  57         sbic _SFR_IO_ADDR(EECR), EEPE
  58         rjmp Init_EEPROM_read
  59         ldi r_temp,0
  60         out _SFR_IO_ADDR(EEARH), r_temp
  61         ldi r_temp,2
  62         out _SFR_IO_ADDR(EEARL), r_temp
  63         sbi _SFR_IO_ADDR(EECR), EERE
  64         in r_temp,_SFR_IO_ADDR(EEDR)
  65         sbrs r_temp,7
  66         rcall hrc_recall_eeprom_func1
  67 .endm
  68
  69 .macro COMMAND_TABLE
  70                 rjmp h_readscratchpad1
  71                 rjmp h_writescratchpad1
  72                 rjmp h_convert_run1
  73                 rjmp h_readscratchpad_adr2
  74                 rjmp h_readscratchpad2
  75                 rjmp h_writescratchpad_adr2
  76                 rjmp h_writescratchpad2
  77 .endm
  78
  79 #include "../common/OWRomFunctionsDual.s"
  80 #include "../common/OWTimerInterrupt.s"
  81
  82
  83
  84 ; Ab hier Geraeteabhaenging
  85 #define OW_READ_SCRATCHPAD1 OW_FIRST_COMMAND+0
  86 #define OW_WRITE_SCRATCHPAD1 OW_FIRST_COMMAND+1
  87 #define OW_CONVERT_RUN1  OW_FIRST_COMMAND+2
  88 #define OW_READ_SCRATCHPAD_ADR2 OW_FIRST_COMMAND+3
  89 #define OW_READ_SCRATCHPAD2 OW_FIRST_COMMAND+4
  90 #define OW_WRITE_SCRATCHPAD_ADR2 OW_FIRST_COMMAND+5
  91 #define OW_WRITE_SCRATCHPAD2 OW_FIRST_COMMAND+6
  92
  93
  94
  95 ;---------------------------------------------------
  96 ;       READ COMMAND and start operation
  97 ;---------------------------------------------------
  98
  99
 100 h_readcommand1:
 101         clr r_bytep
 102 #ifndef _DIS_FLASH_
 103         FLASH_COMMANDS ; muss zu erst sein....
 104 #endif
 105         cjmp 0xBE,hrc_set_readscratchpad1
 106         cjmp 0x4E,hrc_set_writescratchpad1
 107         cjmp 0x44,hrc_set_convertT1
 108         cjmp 0x48,hrc_copy_scratchpad1
 109         cjmp 0xB8,hrc_recall_eeprom1
 110         FW_CONFIG_INFO1
 111 #ifdef _CHANGEABLE_ID_
 112         CHANGE_ID_COMMANDS
 113 #endif
 114         ldi r_mode,OW_SLEEP
 115         rjmp handle_end
 116
 117 hrc_set_readscratchpad1:
 118         ldi r_mode,OW_READ_SCRATCHPAD1
 119         ldi r_sendflag,1
 120         CRCInit2
 121         rjmp h_readscratchpad1
 122
 123 hrc_set_writescratchpad1:
 124         ldi r_mode,OW_WRITE_SCRATCHPAD1
 125         ldi r_bytep,2 ;start to write in 2
 126         rjmp handle_end
 127
 128 hrc_recall_eeprom1:
 129         rcall hrc_recall_eeprom_func1
 130         rjmp handle_end
 131
 132
 133
 134 hrc_set_convertT1:
 135         ldi r_temp,1
 136         sts gcontrol,r_temp
 137
 138         ldi r_mode,OW_CONVERT_RUN1
 139         ldi r_sendflag,3 ;set bit 0 and 1 for no zero polling
 140 h_convert_run1:
 141         ldi r_bcount,0
 142         ldi r_rwbyte,0
 143         rjmp handle_end_no_bcount
 144
 145
 146 hrc_copy_scratchpad1:
 147         ldi r_bytep,2
 148         configZ pack1,r_bytep
 149         clr r_bytep
 150 hrc_copy_scratchpad_EEPROM_write1:
 151         sbic _SFR_IO_ADDR(EECR), EEPE
 152         rjmp hrc_copy_scratchpad_EEPROM_write1
 153         ldi r_temp, (0<<EEPM1)|(0<<EEPM0)
 154         out _SFR_IO_ADDR(EECR), r_temp
 155         ldi r_temp,0
 156         out _SFR_IO_ADDR(EEARH),r_temp
 157         out _SFR_IO_ADDR(EEARL), r_bytep
 158         ld  r_rwbyte,Z+
 159         out _SFR_IO_ADDR(EEDR), r_rwbyte
 160         sbi _SFR_IO_ADDR(EECR), EEMPE
 161         sbi _SFR_IO_ADDR(EECR), EEPE
 162         inc r_bytep
 163         cpi r_bytep,3
 164         brne hrc_copy_scratchpad_EEPROM_write1
 165         rjmp handle_end
 166
 167
 168 hrc_recall_eeprom_func1:
 169         ldi r_bytep,2
 170         configZ pack1,r_bytep
 171         clr r_bytep
 172         clr r_temp
 173 hrc_recall_eeprom_EEPROM_read1:
 174         sbic _SFR_IO_ADDR(EECR), EEPE
 175         rjmp hrc_recall_eeprom_EEPROM_read1
 176         out _SFR_IO_ADDR(EEARH), r_temp
 177         out _SFR_IO_ADDR(EEARL), r_bytep
 178         sbi _SFR_IO_ADDR(EECR), EERE
 179         in r_rwbyte,_SFR_IO_ADDR(EEDR)
 180         st Z+,r_rwbyte
 181         inc r_bytep
 182         cpi r_bytep,3
 183         brne hrc_recall_eeprom_EEPROM_read1
 184         ret
 185
 186
 187
 188
 189
 190
 191 ;---------------------------------------------------
 192 ;   READ SCRATCHPAD
 193 ;---------------------------------------------------
 194
 195 h_readscratchpad1:
 196         cpi  r_bytep,8
 197         breq h_readscratchpad_crc1
 198         cpi  r_bytep,9
 199         breq h_readscratchpad_all1
 200         configZ pack1,r_bytep
 201         ld   r_rwbyte,Z
 202         rjmp h_readscratchpad_endc1
 203 h_readscratchpad_crc1:
 204         lds  r_rwbyte,crc
 205 h_readscratchpad_endc1:
 206         inc  r_bytep
 207         ldi  r_bcount,1
 208         rjmp handle_end
 209 h_readscratchpad_all1:
 210         rjmp handle_end_sleep
 211
 212
 213
 214
 215
 216 ;---------------------------------------------------
 217 ;   WRITE SCRATCHPAD
 218 ;---------------------------------------------------
 219
 220 h_writescratchpad1:
 221         configZ pack1,r_bytep
 222         inc  r_bytep
 223         cpi  r_bytep,5
 224         breq h_writescratchpad_all1
 225         st   Z,r_rwbyte
 226         rjmp handle_end
 227 h_writescratchpad_all1:
 228         ori r_rwbyte,0x1F ; Alle unteren Bits sind immer 1
 229         st   Z,r_rwbyte
 230         rjmp handle_end_sleep
 231
 232 ;*****************************************************************************************************************************************************************************************
 233 ;*****************************************************************************************************************************************************************************************
 234 ;*****************************************************************************************************************************************************************************************
 235 ;*****************************************************************************************************************************************************************************************
 236 ;*****************************************************************************************************************************************************************************************
 237
 238
 239
 240
 241
 242 h_readcommand2:
 243         clr r_bytep
 244 #ifndef _DIS_FLASH_
 245         FLASH_COMMANDS ; muss zu erst sein....
 246 #endif
 247         cset 0xBE,OW_READ_SCRATCHPAD_ADR2
 248         cset 0x4E,OW_WRITE_SCRATCHPAD_ADR2
 249         cjmp 0x44,hrc_set_convertT2
 250         cjmp 0xB4,hrc_set_convertV2
 251         FW_CONFIG_INFO2
 252 #ifdef _CHANGEABLE_ID_
 253         CHANGE_ID_COMMANDS
 254 #endif
 255         rjmp handle_end_sleep
 256
 257
 258 hrc_set_convertT2:
 259         ldi r_temp,2
 260         sts gcontrol,r_temp
 261         lds r_temp,am2302_temp
 262         sts pack2+1,r_temp
 263         lds r_temp,am2302_temp+1
 264         sts pack2+2,r_temp
 265         rjmp handle_end_sleep
 266 hrc_set_convertV2:
 267         lds r_temp,pack2
 268         sbrs r_temp,3
 269         rjmp hrc_set_convertVV2
 270         ldi r_temp,0xF4
 271         sts pack2+3,r_temp
 272         ldi r_temp,0x01
 273         sts pack2+4,r_temp
 274         rjmp hrc_set_convertend2
 275 hrc_set_convertVV2:
 276         ldi r_temp,3
 277         sts gcontrol,r_temp
 278         lds r_temp,am2302_hum
 279         sts pack2+3,r_temp
 280         lds r_temp,am2302_hum+1
 281         sts pack2+4,r_temp
 282 hrc_set_convertend2:
 283         rjmp handle_end_sleep
 284
 285
 286
 287 ;---------------------------------------------------
 288 ;   READ SCRATCHPAD
 289 ;---------------------------------------------------
 290
 291 h_readscratchpad_adr2:
 292         lsl r_rwbyte
 293         lsl r_rwbyte
 294         lsl r_rwbyte
 295 #if  defined(__AVR_ATtiny25__)
 296         andi r_rwbyte,0x01 ;nur Page 0 und 1 und das immer wiederholen
 297 #endif
 298         sts block,r_rwbyte
 299         ldi r_sendflag,1
 300         ldi r_mode,OW_READ_SCRATCHPAD2
 301         CRCInit2
 302 h_readscratchpad2:
 303         cpi  r_bytep,8
 304         breq h_readscratchpad_crc2
 305         cpi  r_bytep,9
 306         breq h_readscratchpad_all2
 307         lds  r_temp,block
 308         add  r_temp,r_bytep
 309         configZ pack2,r_temp
 310         ld   r_rwbyte,Z
 311         rjmp handle_end_inc
 312 h_readscratchpad_crc2:
 313         lds  r_rwbyte,crc
 314         rjmp handle_end_inc
 315 h_readscratchpad_all2:
 316         rjmp handle_end_sleep
 317
 318
 319
 320
 321 ;---------------------------------------------------
 322 ;   WRITE SCRATCHPAD
 323 ;---------------------------------------------------
 324 h_writescratchpad_adr2:
 325         lsl r_rwbyte
 326         lsl r_rwbyte
 327         lsl r_rwbyte
 328 #if  defined(__AVR_ATtiny25__)
 329         andi r_rwbyte,0x01 ;nur Page 0 und 1 und das immer wiederholen
 330 #endif
 331         sts block,r_rwbyte
 332         ldi r_mode,OW_WRITE_SCRATCHPAD2
 333         ldi  r_bcount,1
 334         rjmp handle_end
 335 h_writescratchpad2:
 336         cpi  r_bytep,8
 337         breq h_writescratchpad_all2
 338         lds  r_temp,block
 339         add  r_temp,r_bytep
 340         configZ pack2,r_temp
 341         st   Z,r_rwbyte
 342         rjmp handle_end_inc
 343 h_writescratchpad_all2:
 344         rjmp handle_end_sleep
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354 #include "../common/OWPinInterrupt.s"
 355 .end