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3 Commits (feature-rtc-alarm)

Author SHA1 Message Date
Chun-Chieh Li 967effe59f [M252KG] Free up peripheral pins in peripheral free-up HAL API 
Without free-up of peripheral pins, peripheral pins of the same peripheral may
share by multiple ports after port iteration, and this peripheral may fail with
pin interference.
 2019-09-27 17:45:56 +08:00
Chun-Chieh Li 0917a0d5a6 [M252KG] Fix IP initialization sequence 
Better IP initialization sequence:
1. Configure IP pins
2. Select IP clock source and then enable it
3. Reset the IP (SYS_ResetModule)

NOTE1: IP reset takes effect regardless of IP clock. So it doesn't matter if
       IP clock enable is before IP reset.
NOTE2: Non-configured pins may disturb IP's state, so IP pinout first and then
       IP reset.
NOTE3: IP reset at the end of IP initialization sequence can cover unexpected
       situation.
 2019-09-27 17:45:54 +08:00
Chun-Chieh Li 36278618ad Support Nuvoton's NUMAKER_M252KG target 2019-09-27 17:45:52 +08:00