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annotate wiki/Modules.md @ 677:1953cd9145b3 Betatest

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Move include file to common to ... ... get things compiled. The configuration.h file is also used from the RTE code, so it should be in the Common tree. Signed-off-by: Jan Mulder <jan@jlmulder.nl>
author Jan Mulder <jan@jlmulder.nl>
date Wed, 20 Apr 2022 20:25:04 +0200
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children
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1 # OSTC4 Code Modules #
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2
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3 ## Main CPU - aka CPU1-Discovery ##
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4
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5 For historical reasons, the firmware of the main CPU was divided in three parts.
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6 It helps development, allow smalled upgrades, and improve security as a bad manipulation won't kill the bootloader, responsible fot the next firmware upgrade.
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7
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8 ### Bootloader ##
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9
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10 The code responsible to upload new firmwares for both CPU.
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11
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12 ### Font Pack ###
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13
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14 This module does not contains any code. Just font data and images.
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15
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16 ### Firmware code ###
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17
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18 The main OSTC4 firmware. The more important modules are:
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19
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20 - Buehlmann decompression algorithm.
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21 - VPM decompression algorithm.
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22 - The simulator and dive planner.
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23 - Logbook display (surface and dive mode).
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24 - All user interface code, during dive or surface mode (`t*.c` files).
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25 - Graphics (gfx) engine.
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26 - Plus interface to the other CPU, the management of the _LCD_ screen, and the optional _Bonex_ scooter interface (No longer supported)
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27
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28 ## Small CPU - aka CPU2-RTE ##
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29
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30 The _Real Time_ CPU handle everything that requires precise timming to function perperly.
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31
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32 The most important modules are:
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33
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34 - Real time computation of gas exchanges during dive (aka the _LifeData_ structure).
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35 - Analog to digital conversion for the ... ambient light sensor.
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36 - I2C bus interface to the pressure sensor, the magnetic compass and the battery gauge.
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37 - SPI bus interface to the buttons and to the other CPU.
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38 - Serial interface to the _RS232-over-Wireless_ connection.