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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22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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34 #define _CHANGEABLE_ID_
35 #define _ZERO_POLLING_
38 #include "../common/OWConfig.s"
39 #include "../common/OWCRC8.s"
43 //.extern am2302_temp,2
45 #if defined(__AVR_ATtiny25__)
52 .comm block,1 ; Block der augegeben, geschrieben wird (Parameter von READ/WRITE Scratchpad)
55 .macro CHIP_INIT ;r_temp is pushed other Registers should be saved
59 sbic _SFR_IO_ADDR(EECR), EEPE
62 out _SFR_IO_ADDR(EEARH), r_temp
64 out _SFR_IO_ADDR(EEARL), r_temp
65 sbi _SFR_IO_ADDR(EECR), EERE
66 in r_temp,_SFR_IO_ADDR(EEDR)
68 rcall hrc_recall_eeprom_func1
74 rjmp h_readscratchpad1
75 rjmp h_writescratchpad1
77 rjmp h_readscratchpad_adr2
78 rjmp h_readscratchpad2
79 rjmp h_writescratchpad_adr2
80 rjmp h_writescratchpad2
83 #include "../common/OWRomFunctionsDual.s"
84 #include "../common/OWTimerInterrupt.s"
88 ; Ab hier Geraeteabhaenging
89 #define OW_READ_SCRATCHPAD1 OW_FIRST_COMMAND+0
90 #define OW_WRITE_SCRATCHPAD1 OW_FIRST_COMMAND+1
91 #define OW_CONVERT_RUN1 OW_FIRST_COMMAND+2
92 #define OW_READ_SCRATCHPAD_ADR2 OW_FIRST_COMMAND+3
93 #define OW_READ_SCRATCHPAD2 OW_FIRST_COMMAND+4
94 #define OW_WRITE_SCRATCHPAD_ADR2 OW_FIRST_COMMAND+5
95 #define OW_WRITE_SCRATCHPAD2 OW_FIRST_COMMAND+6
98 ;---------------------------------------------------
99 ; READ COMMAND and start operation
100 ;---------------------------------------------------
106 FLASH_COMMANDS ; muss zu erst sein....
108 cjmp 0xBE,hrc_set_readscratchpad1
109 cjmp 0x4E,hrc_set_writescratchpad1
110 cjmp 0x44,hrc_set_convertT1
111 cjmp 0x48,hrc_copy_scratchpad1
112 cjmp 0xB8,hrc_recall_eeprom1
114 #ifdef _CHANGEABLE_ID_
120 hrc_set_readscratchpad1:
121 ldi r_mode,OW_READ_SCRATCHPAD1
124 rjmp h_readscratchpad1
126 hrc_set_writescratchpad1:
127 ldi r_mode,OW_WRITE_SCRATCHPAD1
128 ldi r_bytep,2 ;start to write in 2
132 rcall hrc_recall_eeprom_func1
141 ldi r_mode,OW_CONVERT_RUN1
142 ldi r_sendflag,3 ;set bit 0 and 1 for no zero polling
146 rjmp handle_end_no_bcount
149 hrc_copy_scratchpad1:
151 configZ pack1,r_bytep
153 hrc_copy_scratchpad_EEPROM_write1:
154 sbic _SFR_IO_ADDR(EECR), EEPE
155 rjmp hrc_copy_scratchpad_EEPROM_write1
156 ldi r_temp, (0<<EEPM1)|(0<<EEPM0)
157 out _SFR_IO_ADDR(EECR), r_temp
159 out _SFR_IO_ADDR(EEARH),r_temp
160 out _SFR_IO_ADDR(EEARL), r_bytep
162 out _SFR_IO_ADDR(EEDR), r_rwbyte
163 sbi _SFR_IO_ADDR(EECR), EEMPE
164 sbi _SFR_IO_ADDR(EECR), EEPE
167 brne hrc_copy_scratchpad_EEPROM_write1
171 hrc_recall_eeprom_func1:
173 configZ pack1,r_bytep
176 hrc_recall_eeprom_EEPROM_read1:
177 sbic _SFR_IO_ADDR(EECR), EEPE
178 rjmp hrc_recall_eeprom_EEPROM_read1
179 out _SFR_IO_ADDR(EEARH), r_temp
180 out _SFR_IO_ADDR(EEARL), r_bytep
181 sbi _SFR_IO_ADDR(EECR), EERE
182 in r_rwbyte,_SFR_IO_ADDR(EEDR)
186 brne hrc_recall_eeprom_EEPROM_read1
194 ;---------------------------------------------------
196 ;---------------------------------------------------
200 breq h_readscratchpad_crc1
202 breq h_readscratchpad_all1
203 configZ pack1,r_bytep
205 rjmp h_readscratchpad_endc1
206 h_readscratchpad_crc1:
208 h_readscratchpad_endc1:
212 h_readscratchpad_all1:
213 rjmp handle_end_sleep
219 ;---------------------------------------------------
221 ;---------------------------------------------------
224 configZ pack1,r_bytep
227 breq h_writescratchpad_all1
230 h_writescratchpad_all1:
231 ori r_rwbyte,0x1F ; Alle unteren Bits sind immer 1
233 rjmp handle_end_sleep
235 ;*****************************************************************************************************************************************************************************************
236 ;*****************************************************************************************************************************************************************************************
237 ;*****************************************************************************************************************************************************************************************
238 ;*****************************************************************************************************************************************************************************************
239 ;*****************************************************************************************************************************************************************************************
248 FLASH_COMMANDS ; muss zu erst sein....
250 cset 0xBE,OW_READ_SCRATCHPAD_ADR2
251 cset 0x4E,OW_WRITE_SCRATCHPAD_ADR2
252 cjmp 0x44,hrc_set_convertT2
253 cjmp 0xB4,hrc_set_convertV2
255 //cljmp 0x85,hrc_fw_configinfo2
256 #ifdef _CHANGEABLE_ID_
259 rjmp handle_end_sleep
265 lds r_temp,am2302_temp
267 lds r_temp,am2302_temp+1
269 rjmp handle_end_sleep
273 rjmp hrc_set_convertVV2
278 rjmp hrc_set_convertend2
282 lds r_temp,am2302_hum
284 lds r_temp,am2302_hum+1
287 rjmp handle_end_sleep
291 ;---------------------------------------------------
293 ;---------------------------------------------------
295 h_readscratchpad_adr2:
299 #if defined(__AVR_ATtiny25__)
300 andi r_rwbyte,0x01 ;nur Page 0 und 1 und das immer wiederholen
304 ldi r_mode,OW_READ_SCRATCHPAD2
308 breq h_readscratchpad_crc2
310 breq h_readscratchpad_all2
316 h_readscratchpad_crc2:
319 h_readscratchpad_all2:
320 rjmp handle_end_sleep
325 ;---------------------------------------------------
327 ;---------------------------------------------------
328 h_writescratchpad_adr2:
332 #if defined(__AVR_ATtiny25__)
333 andi r_rwbyte,0x01 ;nur Page 0 und 1 und das immer wiederholen
336 ldi r_mode,OW_WRITE_SCRATCHPAD2
341 breq h_writescratchpad_all2
347 h_writescratchpad_all2:
348 rjmp handle_end_sleep
358 #include "../common/OWPinInterrupt.s"