uLisp

MSP430 F5529 LaunchPad

The MSP430 F5529 LaunchPad is based on the MSP430F5529 processor running at 25 MHz, and it provides 128 KB of flash memory and 8 KB of RAM. Although there's no EEPROM, the flash can be used as EEPROM allowing the full workspace to be saved with save-image and reloaded with load-image.

This board is capable of running all the uLisp examples.

The SD card interface is not currently supported on the MSP430 boards.

Push buttons

The MSP430 F5529 LaunchPad has push buttons connected to the digital pins 41 and 42; you can print their status with the following program:

(defun buttons ()
  (pinmode 41 2)
  (pinmode 42 2)
  (loop (print (list (digitalread 41) (digitalread 42)))))

LEDs

The MSP430 F5529 LaunchPad has a red and green LEDs connected to the digital pins 43 and 44 which you can flash alternately with the following program:

(defun blink (x)
  (pinmode 43 t)
  (pinmode 44 t)
  (digitalwrite 43 x)
  (digitalwrite 44 (not x))
  (delay 1000)
  (blink (not x)))

Run it by typing:

(blink t)

Push buttons

The MSP430 FR5994 LaunchPad has push buttons connected to the digital pins 41 and 42; you can print their status with the following program:

(defun buttons ()
  (pinmode 41 2)
  (pinmode 42 2)
  (loop 
   (print
    (list (digitalread 41) (digitalread 42)))
   (delay 500)))