2 // Copyright (c) 2017, Tobias Mueller tm(at)tm3d.de
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3 // All rights reserved.
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5 // Redistribution and use in source and binary forms, with or without
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6 // modification, are permitted provided that the following conditions are
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9 // * Redistributions of source code must retain the above copyright
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10 // notice, this list of conditions and the following disclaimer.
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11 // * Redistributions in binary form must reproduce the above copyright
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12 // notice, this list of conditions and the following disclaimer in the
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13 // documentation and/or other materials provided with the
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15 // * All advertising materials mentioning features or use of this
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16 // software must display the following acknowledgement: This product
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17 // includes software developed by tm3d.de and its contributors.
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18 // * Neither the name of tm3d.de nor the names of its contributors may
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19 // be used to endorse or promote products derived from this software
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20 // without specific prior written permission.
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22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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23 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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24 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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25 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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26 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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27 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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28 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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29 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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30 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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31 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 #define _CHANGEABLE_ID_
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35 #define _ZERO_POLLING_
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37 #include "../common/OWConfig.s"
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38 #include "../common/OWCRC8.s"
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42 //.extern am2302_temp,2
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48 sbic _SFR_IO_ADDR(EECR), EEPE
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49 rjmp Init_EEPROM_read
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51 out _SFR_IO_ADDR(EEARH), r_temp
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53 out _SFR_IO_ADDR(EEARL), r_temp
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54 sbi _SFR_IO_ADDR(EECR), EERE
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55 in r_temp,_SFR_IO_ADDR(EEDR)
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57 rcall hrc_recall_eeprom_func
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60 .macro COMMAND_TABLE
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61 rjmp h_readscratchpad
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62 rjmp h_writescratchpad
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66 #include "../common/OWRomFunctions.s"
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67 #include "../common/OWTimerInterrupt.s"
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71 ; Ab hier Geraeteabhaenging
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72 #define OW_READ_SCRATCHPAD OW_FIRST_COMMAND+0
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73 #define OW_WRITE_SCRATCHPAD OW_FIRST_COMMAND+1
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74 #define OW_CONVERT_RUN OW_FIRST_COMMAND+2
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77 ;---------------------------------------------------
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78 ; READ COMMAND and start operation
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79 ;---------------------------------------------------
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85 FLASH_COMMANDS ; muss zu erst sein....
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87 cjmp 0xBE,hrc_set_readscratchpad
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88 cjmp 0x4E,hrc_set_writescratchpad
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89 cjmp 0x44,hrc_set_convertT
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90 cjmp 0x48,hrc_copy_scratchpad
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91 cjmp 0xB8,hrc_recall_eeprom
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93 #ifdef _CHANGEABLE_ID_
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96 //ldi r_mode,OW_SLEEP
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97 rjmp handle_end_sleep
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99 hrc_set_readscratchpad:
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100 ldi r_mode,OW_READ_SCRATCHPAD
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103 rjmp h_readscratchpad
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105 hrc_set_writescratchpad:
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106 ldi r_mode,OW_WRITE_SCRATCHPAD
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107 ldi r_bytep,2 ;start to write in 2
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111 rcall hrc_recall_eeprom_func
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118 sts gcontrol,r_temp
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119 ldi r_mode,OW_CONVERT_RUN
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120 ldi r_sendflag,3 ;set bit 0 and 1 for no zero polling
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124 rjmp handle_end_no_bcount
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126 hrc_copy_scratchpad:
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128 configZ pack,r_bytep
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130 hrc_copy_scratchpad_EEPROM_write:
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131 sbic _SFR_IO_ADDR(EECR), EEPE
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132 rjmp hrc_copy_scratchpad_EEPROM_write
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133 ldi r_temp, (0<<EEPM1)|(0<<EEPM0)
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134 out _SFR_IO_ADDR(EECR), r_temp
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136 out _SFR_IO_ADDR(EEARH),r_temp
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137 out _SFR_IO_ADDR(EEARL), r_bytep
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139 out _SFR_IO_ADDR(EEDR), r_rwbyte
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140 sbi _SFR_IO_ADDR(EECR), EEMPE
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141 sbi _SFR_IO_ADDR(EECR), EEPE
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144 brne hrc_copy_scratchpad_EEPROM_write
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148 hrc_recall_eeprom_func:
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150 configZ pack,r_bytep
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153 hrc_recall_eeprom_EEPROM_read:
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154 sbic _SFR_IO_ADDR(EECR), EEPE
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155 rjmp hrc_recall_eeprom_EEPROM_read
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156 out _SFR_IO_ADDR(EEARH), r_temp
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157 out _SFR_IO_ADDR(EEARL), r_bytep
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158 sbi _SFR_IO_ADDR(EECR), EERE
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159 in r_rwbyte,_SFR_IO_ADDR(EEDR)
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163 brne hrc_recall_eeprom_EEPROM_read
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171 ;---------------------------------------------------
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173 ;---------------------------------------------------
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177 breq h_readscratchpad_crc
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179 breq h_readscratchpad_all
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180 configZ pack,r_bytep
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182 rjmp h_readscratchpad_endc
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183 h_readscratchpad_crc:
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185 h_readscratchpad_endc:
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189 h_readscratchpad_all:
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190 rjmp handle_end_sleep
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196 ;---------------------------------------------------
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198 ;---------------------------------------------------
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201 configZ pack,r_bytep
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204 breq h_writescratchpad_all
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207 h_writescratchpad_all:
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208 ori r_rwbyte,0x1F ; Alle unteren Bits sind immer 1
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210 rjmp handle_end_sleep
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216 #include "../common/OWPinInterrupt.s"
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