To add documentation to a user-defined function see defun. Echo is turned back on automatically after a one second delay if there is no activity on the serial input. Comments are not valid if they are not followed by an opening bracket for example:Īs of uLisp 3.6, a comment line turns off echo so that a long listing can safely be pasted in to the Arduino IDE's Serial Monitor without overflowing the serial buffer.Comments should not include an opening bracket.This imposes a couple of restrictions in the use of comments: (defun f (n) (if (= n 0) 1 (* n (f (- n 1)))))īecause the Arduino Serial Monitor removes line endings uLisp ignores all characters after a semicolon up to the next opening bracket. Introduces a comment line, which will be ignored. ![]() (1- x) is a shorter way of writing (- x 1). Subtracts one from its argument and returns it. (1 x) is a shorter way of writing ( x 1). 1 functionĪdds one to its argument and returns it. Returns t if none of the arguments are equal, and nil if two or more arguments are equal.Ī potential source of confusion is that this function is called "!=" in C. If there are two or more arguments, divides the first argument by the second and subsequent arguments. If there is one argument, inverts the argument (floating-point platforms only). If there are two or more arguments, subtracts the second and subsequent arguments from the first argument. If there is one argument, negates the argument. Is a shorthand for: (quote ( 1 2)) * function #b, #o, #x reader macrosĪllow you to enter numbers in binary, octal, or hexadecimal notation. A number between 000 and 255 representing the decimal character code of the character.Īll the text between #| and |# is ignored.Null, SOH, STX, ETX, EOT, ENQ, ACK, Bell, Backspace, Tab, Newline, VT, Page, Return, SO, SI,ĭLE, DC1, DC2, DC3, DC4, NAK, SYN, ETB, CAN, EM, SUB, Escape, FS, GS, RS, US, Space One of the following strings representing a control code:.The sequence #\ can be followed by one of the following three options: The sequence #' is ignored, to allow you to paste in Common Lisp programs that need to include it before function names in some contexts. Millis, for-millis, with-i2c, restart-i2c, with-serial, with-spi, with-sd-card, pinmode, digitalread, digitalwrite, analogread, analogreference, analogreadresolution, analogwrite, analogwriteresolution, delay, note Floating-point extensionsįor the floating-point extensions see Floating-point extensions. Globals, makunbound, break, gc, save-image, load-image, edit, room, time, trace, untrace, sleep, require, list-library, register Arduino interface Read, print, princ, prin1, pprint, pprintall, terpri, read-byte, write-byte, read-line, write-line, write-string, format System functions ?, documentation, apropos, apropos-list Input/output Unwind-protect, ignore-errors, error Documentation Setf, push, pop, incf, decf Error handling Loop, return, dolist, dotimes, mapc, mapcar, mapcan, progn, assoc, member, funcall, apply, eval In-place operations String, stringp, string, concatenate, read-from-string, prin1-to-string, princ-to-string, Null, atom, listp, consp, numberp, streamp, eq, equal, symbolp, boundp CharactersĬhar, char-code, code-char, characterp Strings If, cond, when, unless, case, and, or, not Tests Logand, logior, logxor, lognot, ash, logbitp Conditionals =,, >=, /=, plusp, minusp, zerop, oddp, evenp Bitwise operations , -, *, /, mod, 1 , 1-, abs, random, max, min Arithmetic comparisons Lambda, defun, defvar, setq, set, let, let* Arithmetic functions Make-array, length, aref, arrayp, array-dimensions Defining variables and functions ![]() #', #*, #., #\, #(, #nA, #|, #b, #o, #x List functionsĬons, car, first, cdr, rest, caar, cadr, second, cdar, cddr, caaar, caadr, cadar, caddr, third, cdaar, cdadr, cddar, cdddr, list, append, length, reverse, nth, sort Array functions
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