[riot-notifications] [RIOT-OS/RIOT] kinetis: Implement low power modes (#7897)
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Tue Nov 13 08:53:56 CET 2018
@MichelRottleuthner I opened RIOT-OS/applications#55 with a test application which can be of use to you. I have used it for testing GPIO interrupts from different power modes, it might be able to show more specifically what happens when the UART stops working.
The application should wake when you send something on the UART when the application is in pm_set(1-3) modes (all except KINETIS_PM_LLS). The busy spin also does not stop on UART activity. To get wake on UART for pm_set(0), periph_conf.h needs a .llwu_rx configuration for the UART RX pin.
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