2 // Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de
3 // All rights reserved.
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6 // modification, are permitted provided that the following conditions are
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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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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
66 #include "../common/OWRomFunctions.s"
67 #include "../common/OWTimerInterrupt.s"
71 ; Ab hier Geraeteabhaenging
72 #define OW_READ_SCRATCHPAD OW_FIRST_COMMAND+0
73 #define OW_WRITE_SCRATCHPAD OW_FIRST_COMMAND+1
74 #define OW_CONVERT_RUN OW_FIRST_COMMAND+2
77 ;---------------------------------------------------
78 ; READ COMMAND and start operation
79 ;---------------------------------------------------
85 FLASH_COMMANDS ; muss zu erst sein....
87 cjmp 0xBE,hrc_set_readscratchpad
88 cjmp 0x4E,hrc_set_writescratchpad
89 cjmp 0x44,hrc_set_convertT
90 cjmp 0x48,hrc_copy_scratchpad
91 cjmp 0xB8,hrc_recall_eeprom
93 #ifdef _CHANGEABLE_ID_
99 hrc_set_readscratchpad:
100 ldi r_mode,OW_READ_SCRATCHPAD
103 rjmp h_readscratchpad
105 hrc_set_writescratchpad:
106 ldi r_mode,OW_WRITE_SCRATCHPAD
107 ldi r_bytep,2 ;start to write in 2
111 rcall hrc_recall_eeprom_func
119 ;lds temp,am2302_temp
121 ;lds temp,am2302_temp+1
132 ; cp r_temp,r_temp2 ;higher than or equal to TH
133 ; brge hrc_set_convertT_set_arlarm
135 ; cp r_temp,r_temp2 ;lower than or equal to TL
136 ; brlt hrc_set_convertT_set_arlarm
137 ; breq hrc_set_convertT_set_arlarm
138 ; rjmp hrc_set_convertT_end
139 ;hrc_set_convertT_set_arlarm:
141 ;hrc_set_convertT_end:
142 ; sts alarmflag,r_rwbyte
143 ldi r_mode,OW_CONVERT_RUN
144 ldi r_sendflag,3 ;set bit 0 and 1 for no zero polling
148 rjmp handle_end_no_bcount
155 hrc_copy_scratchpad_EEPROM_write:
156 sbic _SFR_IO_ADDR(EECR), EEPE
157 rjmp hrc_copy_scratchpad_EEPROM_write
158 ldi r_temp, (0<<EEPM1)|(0<<EEPM0)
159 out _SFR_IO_ADDR(EECR), r_temp
161 out _SFR_IO_ADDR(EEARH),r_temp
162 out _SFR_IO_ADDR(EEARL), r_bytep
164 out _SFR_IO_ADDR(EEDR), r_rwbyte
165 sbi _SFR_IO_ADDR(EECR), EEMPE
166 sbi _SFR_IO_ADDR(EECR), EEPE
169 brne hrc_copy_scratchpad_EEPROM_write
173 hrc_recall_eeprom_func:
178 hrc_recall_eeprom_EEPROM_read:
179 sbic _SFR_IO_ADDR(EECR), EEPE
180 rjmp hrc_recall_eeprom_EEPROM_read
181 out _SFR_IO_ADDR(EEARH), r_temp
182 out _SFR_IO_ADDR(EEARL), r_bytep
183 sbi _SFR_IO_ADDR(EECR), EERE
184 in r_rwbyte,_SFR_IO_ADDR(EEDR)
188 brne hrc_recall_eeprom_EEPROM_read
196 ;---------------------------------------------------
198 ;---------------------------------------------------
202 breq h_readscratchpad_crc
204 breq h_readscratchpad_all
207 rjmp h_readscratchpad_endc
208 h_readscratchpad_crc:
210 h_readscratchpad_endc:
214 h_readscratchpad_all:
215 rjmp handle_end_sleep
221 ;---------------------------------------------------
223 ;---------------------------------------------------
229 breq h_writescratchpad_all
232 h_writescratchpad_all:
233 ori r_rwbyte,0x1F ; Alle unteren Bits sind immer 1
235 rjmp handle_end_sleep
242 #include "../common/OWPinInterrupt.s"