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1 ;=============================================================================
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2 ;
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3 ; File external_flash.inc V2.98
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4 ;
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5 ;
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6 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved.
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7 ;=============================================================================
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8 ; HISTORY
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9 ; 2011-08-12 : [mH] creation
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10
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11 ; Misc
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12 extern incf_ext_flash_address_p1 ; +1 for the ext_flash_address:3
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13 extern ext_flash_disable_protection ; Disables write protection
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14 extern ext_flash_enable_protection ; Enables write protection
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15
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16 ; Writes
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17 extern write_byte_ext_flash_plus ; Write from WREG and increase address after write with banking at 0x200000
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18 extern write_byte_ext_flash_plus_nocnt ; No increase of ext_flash_dive_counter:3
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19 extern write_byte_ext_flash_plus_nodel ; Does NOT delete 4kB Page when required
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20 extern write_byte_ext_flash_plus_header ; Write from WREG and increase address after write
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21 extern ext_flash_byte_write ; Writes one byte from WREG @ext_flash_address:3
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22 extern ext_flash_byte_write_comms ; without wait, ~86us fixed delay due to 115200 Bauds (Use with caution)
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23 extern write_spi1 ; Just (dummy)write to read a byte
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24
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25 ; Delete
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26 extern ext_flash_erase_logbook ; erases logbook memory (000000h -> 2FFFFFh -> 3MByte)
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27 extern ext_flash_erase4kB ; Erases 4kB sector @ext_flash_address:3
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28
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29 ; Reads
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30 extern ext_flash_read_block_start ; Block read start and reads one byte@ext_flash_address:3 into WREG
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31 extern ext_flash_read_block ; Read another byte into WREG
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32 extern ext_flash_read_block_stop ; Stop block read
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33 extern ext_flash_byte_read ; Reads one byte@ext_flash_address:3 into WREG and ext_flash_rw
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34 extern ext_flash_byte_read_plus ; Return data read in WREG and ext_flash_rw and increase address after read with banking at 0x200000
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35 extern ext_flash_byte_read_plus_0x20 ; Return data read in WREG and ext_flash_rw
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36
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37
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38 ; Will decrease ext_flash_address:2 with the 8Bit value "ext_flash_temp1"
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39 extern decf_ext_flash_address0
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40 decf_ext_flash_address macro ext_flash_temp1
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41 movlw ext_flash_temp1
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42 call decf_ext_flash_address0
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43 endm
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44
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45
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46 ; Will increase ext_flash_address:2 with the 8Bit value "ext_flash_temp1"
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47 extern incf_ext_flash_address0
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48 incf_ext_flash_address macro ext_flash_temp1
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49 movlw ext_flash_temp1
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50 call incf_ext_flash_address0
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51 endm
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52
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53
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54 ; With banking at 0x200000
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55 ; Will increase ext_flash_address:2 with the 8Bit value "ext_flash_temp1"
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56 extern incf_ext_flash_address0_0x20
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57 incf_ext_flash_address_0x20 macro ext_flash_temp1
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58 movlw ext_flash_temp1
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59 call incf_ext_flash_address0_0x20
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60 endm
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