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The Apollo3 is a Cortex M4F, meaning that it supports hardware single-precision floating point. Segger needs to know that when it builds, it should use the “hard float ABI” to take full advantage of the hardware floating point mechanisms that are present in the Apollo3. To do that, click ‘Project/Options/Code/Code Generation’, then click on the ‘ARM FP ABI Type’. Use the pull-down menu to select ‘hard’. The ‘soft’ options are for processors that do not support hardware floating point, or perhaps if you needed to interface to a binary library that was built with soft FP. Since the point of this whole section is to build Ambiq Suite as part of a project, it works best if absolutely everything is using hard FP.Select the option in your project as above, and rebuild everything clean. It should work at that point.
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