-//This must be 32 or or less since many channel enable/disable masks and other elements may be only 32 bits wide.
-//But is reduced further based on pico board limitations
-#define MAX_ANALOG_CHANNELS 3
-#define MAX_DIGITAL_CHANNELS 21
-//digits input to sr_analog_init
+/* These must be 32 or or less since many channel enable/disable masks and other
+ * elements may be only 32 bits wide. Setting values larger than what a PICO can
+ * support to enable other devices, or possibly modes where channels are created
+ * from internal values rather than external pins */
+#define MAX_ANALOG_CHANNELS 8
+#define MAX_DIGITAL_CHANNELS 32
+
+/* Digits input to sr_analog_init */