API.md

@@ -2,11 +2,15 @@
 
 ## ulisp-seesaw implemented API
 
-(nothing implemented)
+seesawI2CAddr.lisp - All installations require this to configure the chip I2C addrs
+
+seesawReset.lisp - Software reset the seesaw chip - (seesawReset) does what you'd expect it to do.
+
+seesawPWM.lisp - Set a pin to output a PWM signal - (seesawPWM 'PA04 #x7f) would set an adafruit backlight to half brightness
 
 ## CircuitPython seesaw API
 
-This API is based on the CircuitPython API for the seesaw:
+This API was originally based in spirit upon the CircuitPython API for the seesaw:
 
 https://adafruit.github.io/Adafruit_Python_seesaw/classAdafruit__Seesaw_1_1seesaw_1_1Seesaw.html