fix setting clock divider to /1 when it should be /2

misinterpreted docs. too much ARM in my life.
the system sets up the clock divider with /2 and expects it to stay there.
was setting the divider to /1 thinking it only affected peripherals.
adjusted timings to compensate for the new divider.

fw/HackSpaceCon_AS7/Arduino/arduino_libraries/tinyNeoPixel_static/tinyNeoPixel_Static.cpp

@@ -1073,6 +1073,8 @@ void tinyNeoPixel::show(uint16_t leds) {
 
 
   interrupts();
+  
+  /*
   #if (!defined(MILLIS_USE_TIMERNONE) && !defined(MILLIS_USE_TIMERRTC) && !defined(MILLIS_USE_TIMERRTC_XTAL) && !defined(MILLIS_USE_TIMERRTC_XOSC))
     endTime = micros();
     // Save EOD time for latch on next call
@@ -1080,6 +1082,7 @@ void tinyNeoPixel::show(uint16_t leds) {
   #else
     #pragma message("micros() is not available because millis is disabled from the tools subemnu. It is your responsibility to ensure a sufficient time has passed between calls to show(). See documentation.")
   #endif
+  */
 }
 
 // Set the output pin number

fw/HackSpaceCon_AS7/HSC_Wand/rgbled.cpp

@@ -34,15 +34,13 @@ uint8_t rgbled[3 * RGB_COUNT];
 void conf_rgb_timer()
 {
     // this timer will run at half speed.
-    // so 8MHz / 2 (prescale) / 1 (CLK_PER) = 4MHz
-    // this will allow a full cycle time of ~61Hz. 
-    
-    _PROTECTED_WRITE(CLKCTRL_MCLKCTRLB, 0); // disable CLK_PER divider
+    // so 8MHz / 2 (timer prescale) / 2 (CLK_PER) = 2MHz
+    // this will allow a cycle time with 33333 counts to be 60Hz.
 
     disable_rgb_timer();
     
     TCB0.CTRLA = TCB_CLKSEL_CLKDIV2_gc;    // prescale timer to run at half speed
-    TCB0.CCMP = 0xffff;                     // count to full
+    TCB0.CCMP = 33333 - 1;                 // count to full
     TCB0.CNT = 0;
 }