annotate src/external_flash.inc @ 446:77259baf89e2

minor
author heinrichsweikamp
date Fri, 19 Aug 2016 14:29:18 +0200
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children 9c54849b8d3b
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1 ;=============================================================================
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2 ;
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3 ; File external_flash.inc
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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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789230298511 fix handling for new flash memory chip
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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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eb758a5b44eb BUGFIX: Fix download issue for dives made with 1.80 firmware
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15 extern fix_180_dives ; fix dives made with the 1.80
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16
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17 ; Writes
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18 extern write_byte_ext_flash_plus ; Write from WREG and increase address after write with banking at 0x200000
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62c7af4795b0 bugfix wrong profile length in header
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19 extern write_byte_ext_flash_plus_nocnt ; No increase of ext_flash_dive_counter:3
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dfac47ac2e1d BUGFIX: There was a 1:4096 chance that a portion of a dive was not stored correctly resulting in download issues
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20 extern write_byte_ext_flash_plus_nodel ; Does NOT delete 4kB Page when required
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21 extern write_byte_ext_flash_plus_header ; Write from WREG and increase address after write
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22 extern ext_flash_byte_write ; Writes one byte from WREG @ext_flash_address:3
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ccaaac45b61a _another_ timing fix for firmware updates (2.07 was not published yet anyway)
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23 extern ext_flash_byte_write_comms ; without wait, ~86us fixed delay due to 115200 Bauds (Use with caution)
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24 extern write_spi1 ; Just (dummy)write to read a byte
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25
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26 ; Delelte
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27 extern ext_flash_erase_logbook ; erases logbook memory (000000h -> 2FFFFFh -> 3MByte)
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28 extern ext_flash_erase4kB ; Erases 4kB sector @ext_flash_address:3
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29
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30 ; Reads
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31 extern ext_flash_read_block_start ; Block read start and reads one byte@ext_flash_address:3 into WREG
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32 extern ext_flash_read_block ; Read another byte into WREG
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33 extern ext_flash_read_block_stop ; Stop block read
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34 extern ext_flash_byte_read ; Reads one byte@ext_flash_address:3 into WREG and temp1
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35 extern ext_flash_byte_read_plus ; Return data read in WREG and temp1 and increase address after read with banking at 0x200000
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36 extern ext_flash_byte_read_plus_0x20; Return data read in WREG and temp1
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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 extern incf_ext_flash_address0
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46 ; Will increase ext_flash_address:2 with the 8Bit value "ext_flash_temp1"
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47 incf_ext_flash_address macro ext_flash_temp1
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48 movlw ext_flash_temp1
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49 call incf_ext_flash_address0
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50 endm
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51
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52 ; With banking at 0x200000
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53 extern incf_ext_flash_address0_0x20
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54 ; Will increase ext_flash_address:2 with the 8Bit value "ext_flash_temp1"
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55 incf_ext_flash_address_0x20 macro ext_flash_temp1
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56 movlw ext_flash_temp1
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57 call incf_ext_flash_address0_0x20
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58 endm
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