annotate wiki/Detailed CPU1-Upper Project.md @ 1072:8b97003dbb60 Icon_Integration

Improve CO2 calibration: The most common calibration environment for diving is fresh air => ~400ppm co2. Some sensors do not have this setting as default => Calibration to 0ppm. To make sure that a proper calibration reference is set the common used value of 400ppm is not set before starting the calibration. For implementation new states were added to the co2 protocol state maschine. In addition the rx processor is now able to handle two responds parameters.
author Ideenmodellierer
date Thu, 19 Feb 2026 21:37:34 +0100
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1 # How to Create From Scratch a Project for _CPU1-Upper_ Code #
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3 The main CPU (aka. _CPU1 Discovery_) firmware is splitted in two parts:
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4 - The proper _CPU1 Discovery_ firmware, with the main code.
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5 - The _protected upper memory_ firmware, which is programmed during _OSTC4_ production, and contains (amongst other things) code used to upload and install firmware upgrades.
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7 ## Make a specific project ##
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9 Follow the same procedure than for [CPU1-Discovery](Detailed CPU1-Discovery Project.md), (same processor, same includes) but include the `CPU1-Upper` source directory.
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11 **
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12 NOT FINISHED YET... BE PATIENT
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13 **