2 // Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de
3 // All rights reserved.
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
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12 // notice, this list of conditions and the following disclaimer in the
13 // documentation and/or other materials provided with the
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.
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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32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #define _CHANGEABLE_ID_
35 #define _ZERO_POLLING_
37 #include "../common/OWConfig.s"
38 #include "../common/OWCRC8.s"
42 //.extern am2302_temp,2
48 sbic _SFR_IO_ADDR(EECR), EEPE
51 out _SFR_IO_ADDR(EEARH), r_temp
53 out _SFR_IO_ADDR(EEARL), r_temp
54 sbi _SFR_IO_ADDR(EECR), EERE
55 in r_temp,_SFR_IO_ADDR(EEDR)
57 rcall hrc_recall_eeprom_func
62 rjmp h_writescratchpad
65 #include "../common/OWRomFunctions.s"
66 #include "../common/OWTimerInterrupt.s"
70 ; Ab hier Geraeteabhaenging
71 #define OW_READ_SCRATCHPAD OW_FIRST_COMMAND+0
72 #define OW_WRITE_SCRATCHPAD OW_FIRST_COMMAND+1
75 ;---------------------------------------------------
76 ; READ COMMAND and start operation
77 ;---------------------------------------------------
83 FLASH_COMMANDS ; muss zu erst sein....
85 cjmp 0xBE,hrc_set_readscratchpad
86 cjmp 0x4E,hrc_set_writescratchpad
87 cjmp 0x44,hrc_set_convertT
88 cjmp 0x48,hrc_copy_scratchpad
89 cjmp 0xB8,hrc_recall_eeprom
90 #ifdef _CHANGEABLE_ID_
96 hrc_set_readscratchpad:
97 ldi r_mode,OW_READ_SCRATCHPAD
100 rjmp h_readscratchpad
102 hrc_set_writescratchpad:
103 ldi r_mode,OW_WRITE_SCRATCHPAD
104 ldi r_bytep,2 ;start to write in 2
108 rcall hrc_recall_eeprom_func
116 ;lds temp,am2302_temp
118 ;lds temp,am2302_temp+1
129 ; cp r_temp,r_temp2 ;higher than or equal to TH
130 ; brge hrc_set_convertT_set_arlarm
132 ; cp r_temp,r_temp2 ;lower than or equal to TL
133 ; brlt hrc_set_convertT_set_arlarm
134 ; breq hrc_set_convertT_set_arlarm
135 ; rjmp hrc_set_convertT_end
136 ;hrc_set_convertT_set_arlarm:
138 ;hrc_set_convertT_end:
139 ; sts alarmflag,r_rwbyte
140 rjmp handle_end_sleep
147 hrc_copy_scratchpad_EEPROM_write:
148 sbic _SFR_IO_ADDR(EECR), EEPE
149 rjmp hrc_copy_scratchpad_EEPROM_write
150 ldi r_temp, (0<<EEPM1)|(0<<EEPM0)
151 out _SFR_IO_ADDR(EECR), r_temp
153 out _SFR_IO_ADDR(EEARH),r_temp
154 out _SFR_IO_ADDR(EEARL), r_bytep
156 out _SFR_IO_ADDR(EEDR), r_rwbyte
157 sbi _SFR_IO_ADDR(EECR), EEMPE
158 sbi _SFR_IO_ADDR(EECR), EEPE
161 brne hrc_copy_scratchpad_EEPROM_write
165 hrc_recall_eeprom_func:
170 hrc_recall_eeprom_EEPROM_read:
171 sbic _SFR_IO_ADDR(EECR), EEPE
172 rjmp hrc_recall_eeprom_EEPROM_read
173 out _SFR_IO_ADDR(EEARH), r_temp
174 out _SFR_IO_ADDR(EEARL), r_bytep
175 sbi _SFR_IO_ADDR(EECR), EERE
176 in r_rwbyte,_SFR_IO_ADDR(EEDR)
180 brne hrc_recall_eeprom_EEPROM_read
188 ;---------------------------------------------------
190 ;---------------------------------------------------
194 breq h_readscratchpad_crc
196 breq h_readscratchpad_all
199 rjmp h_readscratchpad_endc
200 h_readscratchpad_crc:
202 h_readscratchpad_endc:
206 h_readscratchpad_all:
207 rjmp handle_end_sleep
213 ;---------------------------------------------------
215 ;---------------------------------------------------
221 breq h_writescratchpad_all
224 h_writescratchpad_all:
225 ori r_rwbyte,0x1F ; Alle unteren Bits sind immer 1
227 rjmp handle_end_sleep
234 #include "../common/OWPinInterrupt.s"