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