API.md

@@ -3,6 +3,15 @@
 ## \*seesaw:i2c-address\*
 If you have multiple seesaw devices in a project, you can change the mutable global variable \*seesaw:i2c-address\* between running functions to change the currently selected seesaw device.
 
+Example for an Adafruit #3657 breakout board:
+<pre>
+(defvar *seesaw:i2c-address* #x49)
+</pre>
+Example for an Adafruit #802 TFTv2 LCD board:
+<pre>
+(defvar *seesaw:i2c-address* #x2e)
+</pre>
+
 ## seesaw:digital-direction
 Set direction and pullup/down mode of a pin. Parameters:
 <pre>
@@ -62,6 +71,22 @@ Example:
 </pre>
 Would software reset the seesaw device.
 
+## seesaw:options-read
+Returns a list of compiled seesaw options
+
+Example:
+<pre>
+(seesaw:options-read)
+</pre>
+Returns this list from a seesaw breakout board:
+<pre>
+(gpio sercom adc dac dap touch)
+</pre>
+Returns this list from an adafruit tft-v2 board:
+<pre>
+(fix this)
+</pre>
+
 ## seesaw:pwm
 Set a pin to output a PWM signal.
 Percentages have convenience quotes.