Nightmare bug from Hell: identical code, identical hardware. Works when compiled under Keil. Fails when compiled under IAR.

The app in question is a vendor-provided "sample app" using the vendor's own (uncommented, undocumented) "application framework" that has more Callback Hell than a Node.js application.

All of it uncommented.

After a week (!) of piecing through the code in Keil and IAR interlaced, finally figured out the RTC isn't firing for some reason in IAR.

Happy happy joy joy joy.

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