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Code cleanup co2 sensor: In the very first implementation the co2 sensor was directly switch by the main CPU via command request. Since the sensor map implementation this function was replaced and the old function are no longer needed => have been removed.
author Ideenmodellierer
date Mon, 16 Feb 2026 21:11:59 +0100
parents 5f11787b4f42
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# How to Create From Scratch a Project for _CPU1-Upper_ Code #

The main CPU (aka. _CPU1 Discovery_) firmware is splitted in two parts:
- The proper _CPU1 Discovery_ firmware, with the main code.
- The _protected upper memory_ firmware, which is programmed during _OSTC4_ production, and contains (amongst other things) code used to upload and install firmware upgrades.

## Make a specific project ##

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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NOT FINISHED YET... BE PATIENT
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