An introduction to programming the microchip pic in ccs

... development then comes down to writing the software and debugging the errors Those embarking on a PIC based design have to create all the interfaces to the outside world in the form of input and output ... used to store the program and data An oscillator is required to drive the microprocessor Its function is to clock data and instructions into the CPU, compute the results and then output the information ... to enable the program to be loaded into the microcontroller’s memory which allows it to run without the aid of an ICE They come in all shapes and sizes and costs vary Both the PICSTART PLUS and...

PIC c an introduction to programming the microchip PIC in c

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An Introduction to Programming in Emacs Lisp phần 1 ppt

... 208 210 212 212 Your ‘ .emacs File 213 16 .1 16.2 16 .3 16 .4 16 .5 16 .6 16 .7 16 .8 16 .9 16 .10 16 .11 16 .12 16 .13 16 .14 17 18 1 18 2 18 3 18 6 18 7 18 8 19 0 19 1 19 2 19 3 19 3 19 4 19 7 ... 13 13 4 13 4 13 5 13 6 13 7 13 8 13 9 14 0 14 1 14 2 14 3 14 3 14 5 14 7 14 9 15 0 15 1 15 3 15 4 15 5 15 6 15 8 15 9 16 0 16 0 16 1 16 1 16 3 16 4 16 6 Counting: Repetition and Regexps 16 7 13 .1 The count-words-region ... 12 1 12 2 12 3 12 4 12 5 12 6 12 7 12 9 12 9 13 0 13 0 13 1 13 2 13 3 vii 11 .3 Recursion 11 .3 .1 Building Robots: Extending the Metaphor 11 .3.2 The Parts...

An Introduction to Programming in Emacs Lisp phần 2 pptx

... Lisp interpreter to evaluate an expression and that is how you get your results Even typing plain text involves evaluating an Emacs Lisp function, in this case, one that uses self-insertcommand, ... is OK to switch to a visible buffer In regular use, switch -to- buffer takes you to an invisible window since you would most likely use C-x o (other-window) to go to another visible buffer 28 Chapter ... bound to a key, it could not be used as an example of key binding.) 34 Chapter 3: How To Write Function Definitions (See Section 16.7, “Some Keybindings”, page 22 0, to learn how to bind a command to...

An Introduction to Programming in Emacs Lisp phần 3 ppt

... save-excursion causes Emacs to leave point at the beginning of the text being inserted In most circumstances, users prefer to ﬁnd point at the beginning of inserted text (Of course, the copy -to- buffer function ... looks like Finally, the last line of the beginning-of-buffer command says to move point to the beginning of the next line if the command is invoked with an argument: (if arg (forward-line 1))) This ... command is a good function to start with since you are likely to be familiar with it and it is easy to understand Used as an interactive command, beginning-of-buffer moves the cursor to the beginning...

An Introduction to Programming in Emacs Lisp phần 4 pot

... zap -to- char 89 Cutting and Storing Text Whenever you cut or clip text out of a buﬀer with a ‘kill’ command in GNU Emacs, it is stored in a list and you can bring it back with a ‘yank’ command ... precisely, and requiring more expert knowledge to understand, the two integers are of type Lisp Object’, which can also be a C union instead of an integer type 100 Chapter 8: Cutting and Storing Text ... rather than being added to the list." 106 Chapter 8: Cutting and Storing Text (and (fboundp ’menu-bar-update-yank-menu) (menu-bar-update-yank-menu string (and replace (car kill-ring)))) (if (and replace...

An Introduction to Programming in Emacs Lisp phần 5 pps

... yank and yankpop functions is: (insert (car kill-ring-yank-pointer)) To begin to understand how yank and yank-pop work, it is ﬁrst necessary to look at the kill-ring-yank-pointer variable and the ... programs running in a windowing system In the X Windowing system, for example, the x-select-text function takes the string and stores it in memory operated by X You can paste the string in another ... rotate-yank-pointer function changes the element in the kill ring to which the kill-ring-yank-pointer points; when the pointer is set to point to the next element beyond the end of the kill ring,...

An Introduction to Programming in Emacs Lisp phần 6 pptx

... program.) To create a ‘TAGS’ file, first switch to the directory in which you want to create the file In Emacs you can this with the M-x cd command, or by visiting a file in the directory, or by listing ... loop, the first thing it does is evaluate the (beginning-of-line) expression and move point to the beginning of the line Then there is an inner while loop This while loop is designed to move the cursor ... first instance of the triangle-recursively function adds the number to the value returned by a second instance of triangle-recursively, an instance that has been passed an argument of That is to...

An Introduction to Programming in Emacs Lisp phần 7 pot

... beginning-of-defun moves point to the beginning of an enclosing or preceding function definition, or else to the beginning of the buffer We can use beginning-of-defun to place point where we wish to start The while ... 14: Counting Words in a defun We will want our new function, files -in- below-directory, to list the ‘.el’ files in the directory it is told to check, and in any directories below that directory This ... "SORTED-LENGTHS defuns in each TOP-OF-RANGES range." (let ((top-of-range (car top-of-ranges)) (number-within-range 0) defuns-per-range-list) ;; Outer loop (while top-of-ranges ;; Inner loop (while (and ;; Need...

An Introduction to Programming in Emacs Lisp phần 8 ppsx

... ‘cc-mode.el’ and lisp- mode.el’ See section “Customizing Key Bindings” in The GNU Emacs Manual, and section “Keymaps” in The GNU Emacs Lisp Reference Manual, for more information about keymaps 16.9 Loading ... will note that instead of typing (number -to- string 21), I decided to save typing and wrote ‘21’ as a string, "21", rather than convert it from an integer to a string In this instance, this expression ... written in Emacs Lisp, tell Emacs what to do.1 A ‘~/ .emacs ﬁle contains Emacs Lisp code You can write this code yourself; or you can use Emacs customize feature to write the code for you You can...

An Introduction to Programming in Emacs Lisp phần 9 pps

... expression and typing C-x C-e Indeed, is printed in the echo area.) Using % in rotate-yank-pointer When the kill-ring-yank-pointer points to the beginning of the kill ring, and the argument passed to ... commands B.1 The rotate-yank-pointer Function The rotate-yank-pointer function changes the element in the kill ring to which kill-ring-yank-pointer points For example, it can change kill-ring-yank-pointer ... kill-ring-yank-pointer starts by pointing to the ﬁrst element of a list, a call to rotate-yank-pointer causes it to point to the second element; and if kill-ring-yank-pointer points to the second...

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