 char_buffer_t buffer = { .len = BUFF_LEN, .bytes = buffer_bytes };
 
 
-// --- globals
-
-
-// Default values.  These can be calibrated over the serial connection, and are
-// remembered via EEPROM.
+// --- Calibration values
+
+
+// These can be calibrated over the serial connection, and are remembered via EEPROM.
 
 // This is the measured output current (in milliamps) when the DAC is at min output (code 0).
 float zero = 0.0;

*/    

// Hex file compiled using Arduino 1.8.2 for ATtiny85 consumes:
// ->  7,120 (of 8,192) bytes of flash
// ->  284 (of 512) bytes of SRAM for global variables

// Pull in uint8_t, uint16_t, etc.


  clear_char_buffer(&buffer);
}


void loop()
{
