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+Quick TODO --------------------------------------------------------------------
+
+- cleanup core/comm usb stuff
+- support i2c in hardware (and a soft master mode?)
+- cleanup license headers
+
+Peripherals -------------------------------------------------------------------
+
+- complete timers and interrupt stuff
+- I2C
+- SPI
+- EEPROM
+
+Arduino Library functions to port (these are LGPL) ----------------------------
+
+EEPROM:
+ functions:
+ uint8 read(int)
+ void write(int, uint8)
+
+Servo:
+ modify timer code, "banks" of pins corresponding to a timer
+
+Firmata:
+ edit Firmata.h for capabilities
+
+Matrix:
+ soft spi port stuff
+
+SoftwareSerial:
+ clockCyclesToMicroseconds(int)
+
+Sprite:
+ all good?
+
+LiquidCrystal:
+ timing on soft serial send() commands
+
+Stepper:
+ requires millis()
+
+Wire:
+ reimplementation of the utility/twi.{c/h} code:
+ void twi_init(void);
+ void twi_setAddress(uint8_t);
+ uint8_t twi_readFrom(uint8_t, uint8_t*, uint8_t);
+ uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t);
+ uint8_t twi_transmit(uint8_t*, uint8_t);
+ void twi_attachSlaveRxEvent( void (*)(uint8_t*, int) );
+ void twi_attachSlaveTxEvent( void (*)(void) );
+ void twi_reply(uint8_t);
+ void twi_stop(void);
+ void twi_releaseBus(void);
+
+Ethernet:
+ ho baby...
+ uses avr/interrupt.h
+ reimplement utility/spi stuff
+