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
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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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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
91 #ifdef _CHANGEABLE_ID_
97 hrc_set_readscratchpad:
98 ldi r_mode,OW_READ_SCRATCHPAD
101 rjmp h_readscratchpad
103 hrc_set_writescratchpad:
104 ldi r_mode,OW_WRITE_SCRATCHPAD
105 ldi r_bytep,2 ;start to write in 2
109 rcall hrc_recall_eeprom_func
117 ;lds temp,am2302_temp
119 ;lds temp,am2302_temp+1
130 ; cp r_temp,r_temp2 ;higher than or equal to TH
131 ; brge hrc_set_convertT_set_arlarm
133 ; cp r_temp,r_temp2 ;lower than or equal to TL
134 ; brlt hrc_set_convertT_set_arlarm
135 ; breq hrc_set_convertT_set_arlarm
136 ; rjmp hrc_set_convertT_end
137 ;hrc_set_convertT_set_arlarm:
139 ;hrc_set_convertT_end:
140 ; sts alarmflag,r_rwbyte
141 rjmp handle_end_sleep
148 hrc_copy_scratchpad_EEPROM_write:
149 sbic _SFR_IO_ADDR(EECR), EEPE
150 rjmp hrc_copy_scratchpad_EEPROM_write
151 ldi r_temp, (0<<EEPM1)|(0<<EEPM0)
152 out _SFR_IO_ADDR(EECR), r_temp
154 out _SFR_IO_ADDR(EEARH),r_temp
155 out _SFR_IO_ADDR(EEARL), r_bytep
157 out _SFR_IO_ADDR(EEDR), r_rwbyte
158 sbi _SFR_IO_ADDR(EECR), EEMPE
159 sbi _SFR_IO_ADDR(EECR), EEPE
162 brne hrc_copy_scratchpad_EEPROM_write
166 hrc_recall_eeprom_func:
171 hrc_recall_eeprom_EEPROM_read:
172 sbic _SFR_IO_ADDR(EECR), EEPE
173 rjmp hrc_recall_eeprom_EEPROM_read
174 out _SFR_IO_ADDR(EEARH), r_temp
175 out _SFR_IO_ADDR(EEARL), r_bytep
176 sbi _SFR_IO_ADDR(EECR), EERE
177 in r_rwbyte,_SFR_IO_ADDR(EEDR)
181 brne hrc_recall_eeprom_EEPROM_read
189 ;---------------------------------------------------
191 ;---------------------------------------------------
195 breq h_readscratchpad_crc
197 breq h_readscratchpad_all
200 rjmp h_readscratchpad_endc
201 h_readscratchpad_crc:
203 h_readscratchpad_endc:
207 h_readscratchpad_all:
208 rjmp handle_end_sleep
214 ;---------------------------------------------------
216 ;---------------------------------------------------
222 breq h_writescratchpad_all
225 h_writescratchpad_all:
226 ori r_rwbyte,0x1F ; Alle unteren Bits sind immer 1
228 rjmp handle_end_sleep
235 #include "../common/OWPinInterrupt.s"