nRF52840: MCU to MCU updates via activation pin and CircuitPython filesystem programming#283

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m-mcgowan wants to merge 9 commits into

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blues:dfu_activation_pin

Commits on Jun 23, 2022

adds a pin for DFU activation. If this is the same pin as FRST, dfu activation takes precedence. (Some solutions don't need FRST for BLE OTA updates, and those that do can define FRST as a separate…
m-mcgowan
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Commits on Jul 6, 2022

makes both USB CDC and UART comms available at runtime, with the latter being active when the DFU Activation pin is asserted
m-mcgowan
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Commits on Sep 12, 2022

feat: adds support for programming the external qspi flash
m-mcgowan
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Commits on Sep 21, 2022

ensure the QSPI flash is initialized. Adjust the QSPI interrupt priority.
m-mcgowan
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Commits on Oct 20, 2022

revert lib/nrfx to 2.0.0 - causes compilation errors on nRF52832. code cleanup.
m-mcgowan
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Commits on Oct 21, 2022

Commits on Mar 1, 2023

make some changes for quick reset when dfu activation
hathach
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