New Secure DFU op codes, including Abort #447
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philips77
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SDK 15 added new Op Codes to DFU bootloader (before, after):
This PR adds them to supported commands, and adds support for Abort request. The other requests are not used and were added for completeness.
Before this PR, Secure DFU was disconnecting in case of an error, leaving the bootloader in its state. The bootloader would eventually timeout, switching back to Application mode after few minutes. With the new Abort request, this is instantaneous. When using bootloader from SDK 12-14 the lib will try to send Abort request, which will be responded with Op Code Not Supported, after which the lib will revert to old behavior and disconnect.
The new behavior is automatic and does not require any changes in the app's code.