On github:
The leds will not flash and the button does not trigger.
Possible config issue (Clocks, Timers issues ) ?

PCB:
has 3.3 voltage regulator;
5 led channels N mos on (with 100R series resistor and 10K pull dn on) RGB channels PTB18, PTC0, PTC1,
and 2 x white PTA0, PTA1 used for SWD now.
1 PTC3 input with series resistor 47R, 1Meg pull-up.
NMI disabled from startup_MKW30Z4.s
SECTION FlashConfig:CODE
__FlashConfig
DCD 0xFFFFFFFF
DCD 0xFFFFFFFF
DCD 0xFFFFFFFF
DCD 0xFFFFFBFE
__FlashConfig_End
SPI flash AT45DB021E-SSHN-T
SO - PTC18; SI - PTC17; SCK - PTC16; CS - PTC19
BALUN MURATA-LDB212G4005C-001
Quatz 32MHz NXS3225SA-EXS00A-CS0236 + 2 x 13pF
RTC quartz + 12pF