***************************************************************************************************
The PCA9957 is a daisy-chain SPI-compatible 4-wire serial bus controlled 24-channel constant current LED driver optimized for dimming and blinking 32 mA Red/Green/Blue/Amber (RGBA) LEDs.
*
This simple example code was created for FRDM-KL25Z freedom board plus FRDM-A9957HN evaluation board. The code is sets the PCA9957 for the gradation control of all LED channels.
*
* Connection: FRDM-KL25Z OM13513
* VDD J9-4 J9-2 * VDDIO J9-8 J9-4
* GND J2-14 J2-7
* MOSI J2-8 J2-4
* MISO J2-10 J2-5
* SCLK J2-12 J2-6
* CS J2-6 J2-3
* RESET J9-6 J9-3
***************************************************************************************************
