+++ /dev/null
-;; -*- lexical-binding: t; -*-
-;; BINDINGS
-;; USER SPACE - mode-specific-map C-c by default + fkeys
-(define-key mode-specific-map "b" 'buffer-menu-other-window)
-(define-key mode-specific-map "ee" (lambda () (interactive) (dired user-emacs-directory)))
-(define-key mode-specific-map "ei" (lambda () (interactive) (find-file user-init-file)))
-(define-key mode-specific-map "ep" (lambda () (interactive) (find-file user-packages)))
-(define-key mode-specific-map "es" (lambda () (interactive) (find-file user-setqs)))
-(define-key mode-specific-map "ew" (lambda () (interactive) (find-file user-work-eqs)))
-(define-key mode-specific-map "ed" (lambda () (interactive) (find-file user-defuns)))
-(define-key mode-specific-map "eh" (lambda () (interactive) (find-file user-hooks)))
-(define-key mode-specific-map "eb" (lambda () (interactive) (find-file user-bindings)))
-(define-key mode-specific-map "s" 'eshell)
-(define-key mode-specific-map ";" 'comment-or-uncomment-region)
-(define-key global-map [f5] 'scratch-only)
-(define-key global-map [f8] 'recentf-open-files)
-;; OVERRIDES - global-map
-(global-set-key [remap move-beginning-of-line] 'smart-beginning-of-line)
-(global-set-key "\C-o" 'open-line-below)
-(global-set-key "\C-u" 'backward-kill-line)
-(global-set-key "\C-w" 'kill-bword-or-region)
-(global-set-key "\C-z" 'zap-up-to-char)
-(global-set-key [?\C-'] 'universal-argument)
-(global-set-key [?\C-%] 'replace-regexp)
-(global-set-key [home] 'beginning-of-buffer)
-(global-set-key [end] 'end-of-buffer)
-(global-set-key [C-left] 'previous-window-any-frame)
-(global-set-key [C-right] 'next-window-any-frame)
-(global-set-key [?\C-\S-K] 'kill-whole-line)
-(global-set-key [?\C-\S-S] 'isearch-forward-regexp)
-(global-set-key [?\C-\S-R] 'isearch-backward-regexp)
-;; OVERRIDES - ctl-x-map
-(define-key ctl-x-map "\C-b" 'buffer-menu)
-(define-key ctl-x-map "r\S-B" 'bookmark-jump-other-window)
-;; OVERRIDES - esc-map (M-*)
-(define-key esc-map "j" 'backward-join-line)
-(define-key esc-map "o" 'open-line-above)
-(define-key esc-map "s." 'isearch-forward-thing-at-point)
-(define-key esc-map "s\M-." 'isearch-forward-symbol-at-point)
-(define-key esc-map "%" 'slot/replace-string-many)
-(define-key esc-map "\C-z" 'eval-region)
-(define-key esc-map [?\C-%] 'slot/query-replace-many)
-(define-key esc-map [C-left] 'previous-buffer)
-(define-key esc-map [C-right] 'next-buffer)
-;; MODE-SPECIFIC
-(add-hook 'eshell-mode-hook (lambda () (define-key eshell-mode-map ")" 'eshell-send-on-close-paren)))
+++ /dev/null
-;; -*- lexical-binding: t; -*-
-;; DEFUNS
-(defun open-line-below ()
- "Creates a new empty line below the current line."
- (interactive)
- (end-of-line)
- (newline)
- (indent-for-tab-command))
-
-(defun open-line-above ()
- "Creates a new empty line above the current line.
-Can't go prev line first, edge case of beginning of buffer."
- (interactive)
- (beginning-of-line)
- (newline)
- (previous-line)
- (indent-for-tab-command))
-
-(defun kill-bword-or-region ()
- "Kill region if active, otherwise kill back one word."
- (interactive)
- (if (region-active-p)
- (call-interactively 'kill-region)
- (call-interactively 'backward-kill-word)))
-
-(defun backward-kill-line ()
- "Kill back to beginning of line from point."
- (interactive)
- (kill-line 0))
-
-(defun backward-join-line ()
- "A wrapper for join-line to make it go in the right direction."
- (interactive)
- (join-line 0))
-
-(defun smart-beginning-of-line ()
- "Move point to first non-whitespace character or beginning-of-line.
-If point was already at that position, move point to beginning of line.
-Stolen from BrettWitty's dotemacs github repo."
- (interactive "^")
- (let ((oldpos (point)))
- (back-to-indentation)
- (and (= oldpos (point))
- (beginning-of-line))))
-
-(defun eshell-send-on-close-paren ()
- "Makes eshell act somewhat like genera.
-Makes a closing paren execute the sexp. Currently in test, look out for errors."
- (interactive)
- (insert-char ?\))
- (let ((p (point)))
- ;;(eshell-bol)
- ;;(syntax-ppss-flush-cache (point))
- ;;(goto-char p)
- (cond ((= 0 (car (syntax-ppss)))
- (eshell-send-input))
- ((< (car (syntax-ppss)) 0)
- (message "Check flush-cache"))
- ((t nil)))))
-
-(defun slot/get-queries (&optional pairs)
- "Get multiple 'query-replace' pairs from the user.
-PAIRS is a list of replacement pairs of the form (FROM . TO).
-Stolen from https://tony-zorman.com/posts/query-replace/2022-08-06-query-replace-many.html"
- (-let* (((from to delim arg)
- (query-replace-read-args
- (s-join " "
- (-non-nil
- (list "Replace Strings"
- (cond ((eq current-prefix-arg '-) "backward")
- (current-prefix-arg "word"))
- (when (use-region-p) "in region"))))
- nil)) ; no regexp-flag
- (from-to (cons (regexp-quote from)
- (s-replace "\\" "\\\\" to))))
- ;; HACK: Since the default suggestion of replace.el will be
- ;; the last one we've entered, an empty string will give us
- ;; exactly that. Instead of trying to fight against this,
- ;; use it in order to signal an exit.
- (if (-contains? pairs from-to)
- (list pairs delim arg)
- (slot/get-queries (push from-to pairs)))))
-
-(defun slot/replace-string-many
- (pairs &optional delimited start end backward region-noncontiguous-p)
- "Like 'replace-string', but query for several replacements.
-Query for replacement pairs until the users enters an empty
-string (but see 'slot/get-queries').
-
-Refer to 'query-replace' and 'perform-replace' for what the other
-arguments actually mean.
-Stolen from https://tony-zorman.com/posts/query-replace/2022-08-06-query-replace-many.html
-Edited and renamed to remove the Query."
- (interactive
- (let ((common (slot/get-queries)))
- (list (nth 0 common) (nth 1 common)
- (if (use-region-p) (region-beginning))
- (if (use-region-p) (region-end))
- (nth 2 common)
- (if (use-region-p) (region-noncontiguous-p)))))
- (perform-replace
- (concat "\\(?:" (mapconcat #'car pairs "\\|") "\\)") ; build query
- (cons (lambda (pairs _count)
- (cl-loop for (from . to) in pairs
- when (string-match from (match-string 0))
- return to))
- pairs)
- nil :regexp
- delimited nil nil start end backward region-noncontiguous-p))
-
-(defun slot/query-replace-many
- (pairs &optional delimited start end backward region-noncontiguous-p)
- "Like 'query-replace', but query for several replacements.
-Query for replacement pairs until the users enters an empty
-string (but see 'slot/get-queries').
-
-Refer to 'query-replace' and 'perform-replace' for what the other
-arguments actually mean.
-Stolen from https://tony-zorman.com/posts/query-replace/2022-08-06-query-replace-many.html"
- (interactive
- (let ((common (slot/get-queries)))
- (list (nth 0 common) (nth 1 common)
- (when (use-region-p) (region-beginning))
- (when (use-region-p) (region-end))
- (nth 2 common)
- (when (use-region-p) (region-noncontiguous-p)))))
- (perform-replace
- (concat "\\(?:" (mapconcat #'car pairs "\\|") "\\)") ; build query
- (cons (lambda (pairs _count)
- (cl-loop for (from . to) in pairs
- when (string-match from (match-string 0))
- return to))
- pairs)
- :query :regexp
- delimited nil nil start end backward region-noncontiguous-p))
-
-(defun edit-keymap-planck ()
- "Bring up planck keymap for editing."
- (interactive)
- (find-file "~/qmk_firmware/keyboards/planck/keymaps/ehrman/keymap.c"))
-
-(defun edit-keymap-tokyo60 ()
- "Bring up tokyo60 keymap for editing."
- (interactive)
- (find-file "~/qmk_firmware/keyboards/tokyokeyboard/tokyo60/keymaps/ehrman/keymap.c"))
-
-(defun scratch-only ()
- "Bring up the scratch buffer as the only visible buffer."
- (interactive)
- (switch-to-buffer (get-buffer-create "*scratch*"))
- (delete-other-windows))
-
-(unless (equal system-type 'windows-nt)
- (if(equal system-type 'berkeley-unix)
- (defun doas ()
- "Use TRAMP to reopen the current buffer as root using doas."
- (interactive)
- (when buffer-file-name
- (find-alternate-file
- (concat "/doas:root@localhost:"
- buffer-file-name))))
- (defun sudo ()
- "Use TRAMP to reopen the current buffer as root using sudo."
- (interactive)
- (when buffer-file-name
- (find-alternate-file
- (concat "/doas:root@localhost:"
- buffer-file-name))))))
-;; -*- lexical-binding: t; -*-
+;;; early-init.el --- Emacs 27+ pre-initialization config
+
+;;; Code:
+
(menu-bar-mode -1)
(tool-bar-mode -1)
(scroll-bar-mode -1)
initial-scratch-message nil
server-client-instructions nil)
-(setq package-enable-at-startup nil)
-;;(org-babel-load-file "~/.emacs.d/init.org")
+(add-to-list 'default-frame-alist '(background-color . "#cae0a6"))
+(add-to-list 'default-frame-alist '(fullscreen . maximized))
+
+(provide 'early-init)
+;;; hic terminatur early-init.el
+++ /dev/null
-;; -*- lexical-binding: t; -*-
-;; HOOKS
-(add-hook 'before-save-hook 'whitespace-cleanup)
-(add-hook 'dired-mode-hook 'dired-hide-details-mode t)
-(add-hook 'c-mode-common-hook (lambda ()
- (c-set-style "k&r")
- (setq tab-width 5
- c-basic-offset 5
- indent-tabs-mode t
- comment-column 48)))
-
-;; PUTS AND PUSHES
-(put 'upcase-region 'disabled nil)
-(put 'downcase-region 'disabled nil)
-(put 'narrow-to-region 'disabled nil)
-(put 'dired-find-alternate-file 'disabled nil)
-;; -*- lexical-binding: t; -*-
+;;; init.el --- Quae configurare -*- lexical-binding: t; -*-
-(defvar user-packages (expand-file-name "package-config.el" user-emacs-directory))
-(defvar user-setqs (expand-file-name "setq-defaults.el" user-emacs-directory))
-(defvar user-work-eqs (expand-file-name "work-eqs.el" user-emacs-directory))
-(defvar user-defuns (expand-file-name "defuns.el" user-emacs-directory))
-(defvar user-hooks (expand-file-name "hooks-puts.el" user-emacs-directory))
-(defvar user-bindings (expand-file-name "bindings.el" user-emacs-directory))
+;; Haec fasciculus pars Emacs non est.
-(load user-packages)
-(load user-setqs)
-(load user-work-eqs)
-(load user-defuns)
-(load user-hooks)
-(load user-bindings)
+;;; Code:
-(when (eq system-type 'windows-nt)
- (load (expand-file-name "win-defuns.el" user-emacs-directory)))
+;; PACKAGES
+(require 'package)
+(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/"))
+(unless (eq system-type 'windows-nt)
+ (use-package slime)
+ (use-package ledger-mode))
+
+(use-package company
+ :custom
+ (company-idle-delay 0)
+ (company-minimum-prefix-length 1)
+ (company-require-match nil)
+ (company-show-quick-access t)
+ (company-format-margin-function 'company-text-icons-margin)
+ (company-text-face-extra-attributes '(:slant italic))
+ (company-selection-wrap-around t)
+ (company-tooltip-flip-when-above t)
+ (company-insertion-on-trigger nil)
+ (company-dabbrev-other-buffers t)
+ (company-dabbrev-code-other-buffers t)
+ (company-dabbrev-downcase nil)
+ (company-dabbrev-ignore-case 'keep-prefix)
+ :config
+ (global-company-mode t))
+
+(setq company-tooltip-idle-delay 10
+ company-frontends '(company-pseudo-tooltip-unless-just-one-frontend-with-delay
+ company-preview-frontend
+ company-echo-metadata-frontend))
+(define-key company-active-map [tab] (lambda ()
+ (interactive)
+ (let ((company-tooltip-idle-delay 0.0))
+ (company-complete)
+ (and company-candidates
+ (company-call-frontends 'post-command)))))
+
+(use-package expand-region
+ :bind
+ (("C-=" . er/expand-region)))
+
+(use-package git-commit
+ :custom
+ (git-commit-fill-column 72)
+ (git-commit-style-convention-checks '(non-empty-second-line overlong-summary-line)))
+
+;; Put this here mainly for speed boost (only load magit when I call for it)
+(use-package magit
+ :init
+ (message "Loading Magit...")
+ :config
+ (message "Loaded Magit!")
+ :bind
+ ((:map ctl-x-map
+ ("g" . magit-status))))
+
+(use-package openwith
+ :config
+ (openwith-mode t))
+
+(if (eq system-type 'windows-nt)
+ (setq delete-by-moving-to-trash t
+ ediff-diff-program "\"c:/Program Files/Git/usr/bin/diff.exe\""
+ ediff-diff3-program "\"c:/Program Files/Git/usr/bin/diff3.exe\""
+ diff-command "\"c:/Program Files/Git/usr/bin/diff.exe\""
+ openwith-associations '(("\\.pdf\\'" "sumatrapdf" (file))
+ ("\\.xls\\'" "excel" (file))
+ ("\\.xlsx\\'" "excel" (file))
+ ("\\.doc\\'" "word" (file))
+ ("\\.docx\\'" "word" (file))
+ ("\\.adpro\\'" "PoductivitySuite" (file))))
+ (setq openwith-associations '(("\\.pdf\\'" "zathura" (file))
+ ("\\.xls\\'" "libreoffice" (file))
+ ("\\.xlsx\\'" "libreoffice" (file))
+ ("\\.doc\\'" "libreoffice" (file))
+ ("\\.docx\\'" "libreoffice" (file)))))
+
+(use-package org
+ :ensure nil ; in emacs by default
+ :custom
+ (org-M-RET-may-split-line nil)
+ (org-reverse-note-order t)
+ (org-agenda-window-setup 'other-window)
+ (org-use-fast-todo-selection 'expert)
+ (org-src-window-setup 'current-window)
+ (org-agenda-start-on-weekday nil)
+ (org-catch-invisible-edits 'show)
+ (org-directory "~/org")
+ (org-agenda-files '("~/org/"
+ "~/org/kasten/"))
+ (org-refile-targets '((nil :maxlevel . 9)
+ (org-agenda-files :maxlevel . 9)))
+ (org-default-notes-file (concat org-directory "/notes.org"))
+ (safe-local-variable-values '((after-save-hook org-auto-archive)))
+ (org-todo-keywords '((sequence "TODO(t@)"
+ "WAITING(w@)"
+ "IN-PROGRESS(i@)"
+ "APPT(a@)"
+ "|"
+ "DELEGATED(l@)"
+ "DONE(d@)"
+ "CANCELLED(c@)")))
+ (org-capture-templates '(("n" "Note" entry (file+olp org-default-notes-file "Notes") "* %u %?")
+ ("t" "TODO" entry (file+olp org-default-notes-file "Tasks") "* TODO %? \n %u")
+ ("s" "Service" entry (file+olp org-default-notes-file "Service") "* TODO %? \n %u")
+ ("z" "Zettel" entry (file erfassen-zettel) "* %? ::")))
+ (org-agenda-custom-commands '(("n" "Agenda and all TODOs"
+ ((agenda "") (alltodo "")))
+ ("u" "Unscheduled TODOs"
+ alltodo "" ((org-agenda-skip-function
+ (lambda nil
+ (org-agenda-skip-entry-if 'scheduled
+ 'deadline
+ 'regexp "\n]+>")))
+ (org-agenda-overriding-header "Unscheduled TODO entries: ")))))
+ :config
+ (defun erfassen-zettel ()
+ "Add a new zettel to the kasten.
+Creates a new file <datestamp>.org in ~/org/kasten."
+ (interactive)
+ (expand-file-name (format "%s.org" (format-time-string "%Y-%m-%d-%H%M")) "~/org/kasten/"))
+
+ (defun org-auto-archive ()
+ "Automatically archive completed tasks in an org file.
+Intended for use as an after-save-hook."
+ (interactive)
+ (org-map-entries
+ (lambda ()
+ (org-archive-subtree)
+ (setq org-map-continue-from (org-element-property :begin (org-element-at-point))))
+ "TODO=\"DONE\"|TODO=\"CANCELLED\"|TODO=\"DELEGATED\""
+ 'file)
+ (save-buffer))
+ :bind
+ ((:map mode-specific-map
+ ("l" . org-store-link)
+ ("a" . org-agenda)
+ ("c" . org-capture))
+ (:map org-mode-map
+ ("C-'" . nil))))
+
+(use-package page-break-lines
+ :custom
+ (page-break-lines-max-width (- (window-width) 1))
+ :config
+ (global-page-break-lines-mode))
+
+(use-package browse-kill-ring
+ :config
+ (browse-kill-ring-default-keybindings))
+
+(setq-default indicate-empty-lines t
+ fill-column 80
+ read-file-name-completion-ignore-case t
+ read-buffer-completion-ignore-case t
+ cursor-type 'bar
+ cursor-in-non-selected-windows 'hollow)
+
+(setq require-final-newline t
+ text-quoting-style 'straight
+ ring-bell-function 'ignore
+ use-short-answers t
+ mode-line-compact t
+ backup-directory-alist '(("." . "~/emacs-backups"))
+ version-control t
+ delete-old-versions t
+ auto-save-default nil
+ confirm-nonexistent-file-or-buffer nil
+ show-paren-delay 0
+ show-paren-style 'expression
+ blink-matching-paren 'jump
+ global-hl-line-sticky-flag t
+ echo-keystrokes 0.01
+ history-delete-duplicates t
+ save-interprogram-paste-before-kill t
+ confirm-kill-processes nil
+ auto-window-vscroll nil
+ frame-title-format "Poor Man's LispM"
+ eshell-destroy-buffer-when-process-dies t
+ dired-listing-switches "-alv --group-directories-first"
+ ediff-window-setup-function 'ediff-setup-windows-plain
+ ediff-split-window-function (if (> (frame-width) 150)
+ 'split-window-horizontally
+ 'split-window-vertically)
+ prettify-symbols-alist '(("lambda" . 955)
+ ("delta" . 120517)
+ ("epsilon" . 120518)
+ ("->" . 8594)
+ ("<=" . 8804)
+ (">=" . 8805)))
+
+;; MODES
+;;(fringe-mode 0)
+(global-hl-line-mode t)
+(global-prettify-symbols-mode t)
+(column-number-mode t)
+(size-indication-mode t)
+
+(midnight-mode t)
+(save-place-mode 1)
+
+(global-visual-line-mode t)
+(delete-selection-mode t)
+(unless (display-graphic-p)
+ (xterm-mouse-mode 1))
+;; UTF8
+(prefer-coding-system 'utf-8)
+(set-default-coding-systems 'utf-8)
+(set-language-environment 'utf-8)
+(set-selection-coding-system 'utf-8)
+
+;; MATH DEFUNS
+(defun square (x)
+ "Calculate the square of a value."
+ (expt x 2))
+
+(defun cube (x)
+ "Calculate the cube of a value."
+ (expt x 3))
+
+(defun inv (x)
+ "Calculate the inverse of a value."
+ (/ 1 (float x)))
+
+(defun mm-to-in (mm)
+ "Convert milimeters to inches."
+ (/ mm 25.4))
+
+(defun in-to-mm (in)
+ "Convert inches to milimeters."
+ (* in 25.4))
+
+(defun k-to-c (tempk)
+ "Convert degrees Kelvin to degrees Celsius."
+ (- tempk 273.15))
+
+(defun c-to-k (tempc)
+ "Convert degrees Celsius to degrees Kelvin."
+ (+ tempc 273.15))
+
+(defun c-to-f (tempc)
+ "Convert degrees Celsius to degrees Fahrenheit."
+ (+ (* tempc 1.8) 32.0))
+
+(defun f-to-c (tempf)
+ "Convert degrees Fahrenheit to degrees Celsius."
+ (/ (- tempf 32.0) 1.8))
+
+(defun k-to-f (tempk)
+ "Convert degrees Kelvin to degrees Fahrenheit.
+Applies 'c-to-f' to 'k-to-c'."
+ (c-to-f (k-to-c tempk)))
+
+(defun f-to-k (tempf)
+ "Convert degrees Fahrenheit to degrees Kelvin.
+Applies 'c-to-k' to 'f-to-c'."
+ (c-to-k (f-to-c tempf)))
+
+;; ELECTRICAL DEFUNS
+(defun eff-imp (r1 &optional r2)
+ "Calculate the effective input impedance, given two resistances.
+For use in 'amps-to-volts' and related. The handling of only one resistance
+given is done here, instead of doing it in every function that uses this."
+ (if (eq nil r2)
+ r1
+ (inv (+ (inv (float r1)) (inv (float r2))))))
+
+(defun amps-to-volts (amps r1 &optional r2)
+ "Calculate the voltage, given amperage and impedance.
+Multiplies the amperage by the effective impedance calculated with 'eff-imp'."
+ (* amps (eff-imp r1 r2)))
+
+(defun volts-to-amps (volts r1 &optional r2)
+ "Calculate the amperage, given voltage and impedance.
+Divides the voltage by the effective impedance calculated with 'eff-imp'."
+ (/ volts (eff-imp r1 r2)))
+
+;; PLC DEFUNS
+(defun max-counts (resolution)
+ "Calculate the max count for a PLC analog, given card's bit-resolution.
+Formula is 2^(resolution) - 1"
+ (- (expt 2 resolution) 1))
+
+(defun volts-to-counts (vin vmax resolution)
+ "Convert a voltage signal to a PLC count.
+Calculates a ratio of vin/vmax, then scales by 'max-counts'."
+ (* (/ (float vin) (float vmax)) (float (max-counts resolution))))
+
+(defun counts-to-volts (cin vmax resolution)
+ "Convert a PLC count to a voltage.
+Calculates a ratio of cin/'max-counts', then multiplies by vmax."
+ (* (/ cin (float (max-counts resolution))) vmax))
+
+(defun amps-to-counts (amps vmax resolution r1 &optional r2)
+ "Convert a current signal to PLC Counts.
+Converts the amperage to a voltage using 'amps-to-volts' (with r1 and optional r2),
+then applies 'volts-to-counts' to the resulting voltage, vmax, and resolution."
+ (volts-to-counts (amps-to-volts amps r1 r2) vmax resolution))
+
+(defun count-range (type upper lower vmax resolution &optional r1 r2)
+ "Given an upper and lower signal, return the list of upper and lower PLC counts.
+Type takes either a v or an i, corresponding to a voltage or current signal.
+With a current signal, use r1 and maybe r2 to calculate 'amps-to-counts'.
+Otherwise ignore r1/r2 and calculate 'volts-to-counts'."
+ (cond ((or (equal 'v type)
+ (equal 'V type))
+ (list (volts-to-counts upper vmax resolution)
+ (volts-to-counts lower vmax resolution)))
+ ((or (equal 'i type)
+ (equal 'I type))
+ (list (amps-to-counts upper vmax resolution r1 r2)
+ (amps-to-counts lower vmax resolution r1 r2)))))
+
+(defun scaleval (pmax pmin emax emin &optional ai)
+ "Calculate the slope and offset given PLC Max/Min and Eng. Max/Min.
+With optional argument 'ai', also calculate a final scaled value from an input."
+ (let* ((div (/ (- pmax pmin) (- (float emax) (float emin))))
+ (ofst (- emin (/ pmin div))))
+ (if (eq nil ai)
+ (list div ofst)
+ (list div ofst (+ ofst (/ ai div))))))
+
+(defun pid-tune (Kᵤ Tᵤ &optional loop-type)
+ "Use the Ziegler-Nichols method to tune a P, PI or PID loop.
+Takes Kᵤ, Tᵤ and optional loop-type (P, PI, or PID [default]) as arguments,
+ and returns appropriate kp, ki, and kd."
+ (cond ((or (equal 'p loop-type)
+ (equal 'P loop-type))
+ (list (* 0.5 Kᵤ)))
+ ((or (equal 'pi loop-type)
+ (equal 'PI loop-type))
+ (list (* 0.45 Kᵤ) (/ (* 0.54 Kᵤ) Tᵤ)))
+ (t
+ (list (* 0.6 Kᵤ) (/ (* 1.2 Kᵤ) Tᵤ) (/ (* 3.0 Kᵤ Tᵤ) 40)))))
+
+;; REFRIGERATION DEFUNS
+(defun cfm-circ (fpm radius)
+ "Calculate the CFM of a circular duct given feet/minute and radius (in)."
+ (list (* pi fpm (square (/ radius 12)))))
+
+(defun cfm-rect (fpm width height)
+ "Calculate the CFM of a rectangular duct given feet/minute, width (in) and height (in)."
+ (list (* fpm (/ width 12) (/ height 12))))
+
+(defun gn-water-per-lb (temp humidity)
+ "Calculate the grains of water per lb of air, given temp (F) and
+humidity (%).
+Returns a list of Saturated Water Pressure, Humidity Ratio, and Grains of water per lb of air."
+ (let* ((sat-water-press (+ .0182795
+ (* temp .001029904)
+ (* (square temp) 0.00002579408)
+ (* (cube temp) (* 2.400493 (expt 10 -7)))
+ (* (expt temp 4) (* 8.100939 (expt 10 -10)))
+ (* (expt temp 5) (* 3.256805 (expt 10 -11)))
+ (* (expt temp 6) (* -1.001922 (expt 10 -13)))
+ (* (expt temp 7) (* 2.44161 (expt 10 -16)))))
+ (hum-press (* (/ humidity 100.0) sat-water-press))
+ (hum-ratio (/ (* hum-press 0.62198) (- 14.7 hum-press)))
+ (gns-water-lb-air (* hum-ratio 7000)))
+ (list sat-water-press hum-ratio gns-water-lb-air)))
+
+;; EDITING DEFUNS
+(defun open-line-below ()
+ "Creates a new empty line below the current line."
+ (interactive)
+ (end-of-line)
+ (newline)
+ (indent-for-tab-command))
+
+(defun open-line-above ()
+ "Creates a new empty line above the current line.
+Can't go prev line first, edge case of beginning of buffer."
+ (interactive)
+ (beginning-of-line)
+ (newline)
+ (previous-line)
+ (indent-for-tab-command))
+
+(defun kill-bword-or-region ()
+ "Kill region if active, otherwise kill back one word."
+ (interactive)
+ (if (region-active-p)
+ (call-interactively 'kill-region)
+ (call-interactively 'backward-kill-word)))
+
+(defun backward-kill-line ()
+ "Kill back to beginning of line from point."
+ (interactive)
+ (kill-line 0))
+
+(defun backward-join-line ()
+ "A wrapper for join-line to make it go in the right direction."
+ (interactive)
+ (join-line 0))
+
+(defun smart-beginning-of-line ()
+ "Move point to first non-whitespace character or beginning-of-line.
+If point was already at that position, move point to beginning of line.
+Stolen from BrettWitty's dotemacs github repo."
+ (interactive "^")
+ (let ((oldpos (point)))
+ (back-to-indentation)
+ (and (= oldpos (point))
+ (beginning-of-line))))
+
+(defun slot/get-queries (&optional pairs)
+ "Get multiple 'query-replace' pairs from the user.
+PAIRS is a list of replacement pairs of the form (FROM . TO).
+Stolen from https://tony-zorman.com/posts/query-replace/2022-08-06-query-replace-many.html"
+ (-let* (((from to delim arg)
+ (query-replace-read-args
+ (s-join " "
+ (-non-nil
+ (list "Replace Strings"
+ (cond ((eq current-prefix-arg '-) "backward")
+ (current-prefix-arg "word"))
+ (when (use-region-p) "in region"))))
+ nil)) ; no regexp-flag
+ (from-to (cons (regexp-quote from)
+ (s-replace "\\" "\\\\" to))))
+ ;; HACK: Since the default suggestion of replace.el will be
+ ;; the last one we've entered, an empty string will give us
+ ;; exactly that. Instead of trying to fight against this,
+ ;; use it in order to signal an exit.
+ (if (-contains? pairs from-to)
+ (list pairs delim arg)
+ (slot/get-queries (push from-to pairs)))))
+
+(defun slot/replace-string-many
+ (pairs &optional delimited start end backward region-noncontiguous-p)
+ "Like 'replace-string', but query for several replacements.
+Query for replacement pairs until the users enters an empty
+string (but see 'slot/get-queries').
+
+Refer to 'query-replace' and 'perform-replace' for what the other
+arguments actually mean.
+Stolen from https://tony-zorman.com/posts/query-replace/2022-08-06-query-replace-many.html
+Edited and renamed to remove the Query."
+ (interactive
+ (let ((common (slot/get-queries)))
+ (list (nth 0 common) (nth 1 common)
+ (if (use-region-p) (region-beginning))
+ (if (use-region-p) (region-end))
+ (nth 2 common)
+ (if (use-region-p) (region-noncontiguous-p)))))
+ (perform-replace
+ (concat "\\(?:" (mapconcat #'car pairs "\\|") "\\)") ; build query
+ (cons (lambda (pairs _count)
+ (cl-loop for (from . to) in pairs
+ when (string-match from (match-string 0))
+ return to))
+ pairs)
+ nil :regexp
+ delimited nil nil start end backward region-noncontiguous-p))
+
+(defun slot/query-replace-many
+ (pairs &optional delimited start end backward region-noncontiguous-p)
+ "Like 'query-replace', but query for several replacements.
+Query for replacement pairs until the users enters an empty
+string (but see 'slot/get-queries').
+
+Refer to 'query-replace' and 'perform-replace' for what the other
+arguments actually mean.
+Stolen from https://tony-zorman.com/posts/query-replace/2022-08-06-query-replace-many.html"
+ (interactive
+ (let ((common (slot/get-queries)))
+ (list (nth 0 common) (nth 1 common)
+ (when (use-region-p) (region-beginning))
+ (when (use-region-p) (region-end))
+ (nth 2 common)
+ (when (use-region-p) (region-noncontiguous-p)))))
+ (perform-replace
+ (concat "\\(?:" (mapconcat #'car pairs "\\|") "\\)") ; build query
+ (cons (lambda (pairs _count)
+ (cl-loop for (from . to) in pairs
+ when (string-match from (match-string 0))
+ return to))
+ pairs)
+ :query :regexp
+ delimited nil nil start end backward region-noncontiguous-p))
+
+(defun scratch-only ()
+ "Bring up the scratch buffer as the only visible buffer."
+ (interactive)
+ (switch-to-buffer (get-buffer-create "*scratch*"))
+ (delete-other-windows))
+
+(defun my-goto-line ()
+ "Show line numbers before going to line, then hide them again."
+ (interactive)
+ (display-line-numbers-mode 1)
+ (call-interactively 'goto-line)
+ (display-line-numbers-mode -1))
+
+;; ESHELL DEFUNS
+(defun eshell-send-on-close-paren ()
+ "Makes eshell act somewhat like genera.
+Makes a closing paren execute the sexp. Currently in test, look out for errors."
+ (interactive)
+ (insert-char ?\))
+ (let ((p (point)))
+ ;;(eshell-bol)
+ ;;(syntax-ppss-flush-cache (point))
+ ;;(goto-char p)
+ (cond ((= 0 (car (syntax-ppss)))
+ (eshell-send-input))
+ ((< (car (syntax-ppss)) 0)
+ (message "Check flush-cache"))
+ ((t nil)))))
+
+;; *NIX DEFUNS
+(unless (equal system-type 'windows-nt)
+ (if(equal system-type 'berkeley-unix)
+ (defun doas ()
+ "Use TRAMP to reopen the current buffer as root using doas."
+ (interactive)
+ (when buffer-file-name
+ (find-alternate-file
+ (concat "/doas:root@localhost:"
+ buffer-file-name))))
+ (defun sudo ()
+ "Use TRAMP to reopen the current buffer as root using sudo."
+ (interactive)
+ (when buffer-file-name
+ (find-alternate-file
+ (concat "/doas:root@localhost:"
+ buffer-file-name))))))
+
+;; WINDOWS DEFUNS
+(when (equal system-type 'windows-nt)
+ (defun unfuck-aveva-license ()
+ "Remove the offending xml files when aveva can't find ass with both hands."
+ (interactive)
+ (let ((xml1 "c:/ProgramData/AVEVA/Licensing/License API2/Data/LocalAcquireInfo.xml")
+ (xml2 "c:/ProgramData/AVEVA/Licensing/License API2/Data/LocalBackEndAcquireInfo.xml"))
+ (when (file-exists-p xml1) (delete-file xml1))
+ (when (file-exists-p xml2) (delete-file xml2)))))
+
+;; HOOKS
+(add-hook 'before-save-hook 'whitespace-cleanup)
+(add-hook 'after-save-hook 'executable-make-buffer-file-executable-if-script-p)
+(add-hook 'dired-mode-hook 'dired-hide-details-mode t)
+
+(add-hook 'c-mode-common-hook (lambda ()
+ (c-set-style "k&r")
+ (setq tab-width 5
+ c-basic-offset 5
+ indent-tabs-mode t
+ comment-column 48)))
+
+;; PUTS
+(put 'upcase-region 'disabled nil)
+(put 'downcase-region 'disabled nil)
+(put 'narrow-to-region 'disabled nil)
+(put 'dired-find-alternate-file 'disabled nil)
+
+;; FILE FINDER BINDINGS
+(define-key mode-specific-map "ee" (lambda () (interactive) (dired user-emacs-directory)))
+(define-key mode-specific-map "ei" (lambda () (interactive) (find-file user-init-file)))
+(define-key global-map [f8] 'recentf-open-files)
+(define-key ctl-x-map "r\S-B" 'bookmark-jump-other-window)
+
+;; BUFFER BINDINGS
+(define-key ctl-x-map "\C-b" 'buffer-menu)
+(define-key mode-specific-map "b" 'buffer-menu-other-window)
+(define-key global-map [C-left] 'previous-window-any-frame)
+(define-key global-map [C-right] 'next-window-any-frame)
+(define-key esc-map [C-left] 'previous-buffer) ; also bound to C-x <left> by default
+(define-key esc-map [C-right] 'next-buffer) ; also bound to C-x <right> by default
+(define-key global-map [f5] 'scratch-only)
+
+;; MOTION BINDINGS
+(define-key global-map [home] 'beginning-of-buffer)
+(define-key global-map [end] 'end-of-buffer)
+(define-key global-map [remap move-beginning-of-line] 'smart-beginning-of-line)
+(define-key global-map [remap goto-line] 'my-goto-line)
+
+;; EDITING BINDINGS
+(define-key global-map "\C-o" 'open-line-below)
+(define-key global-map "\M-j" 'backward-join-line)
+(define-key global-map "\M-o" 'open-line-above)
+(define-key global-map "\C-u" 'backward-kill-line)
+(define-key global-map "\C-w" 'kill-bword-or-region)
+(define-key global-map "\C-z" 'zap-up-to-char)
+(define-key mode-specific-map ";" 'comment-or-uncomment-region)
+(define-key global-map [?\C-\S-K] 'kill-whole-line)
+(define-key global-map [?\C-'] 'universal-argument) ; default is C-u
+
+;; SEARCH AND REPLACE BINDINGS
+(define-key esc-map "s." 'isearch-forward-thing-at-point)
+(define-key esc-map "s\M-." 'isearch-forward-symbol-at-point)
+(define-key esc-map "%" 'slot/replace-string-many)
+(define-key esc-map [?\C-%] 'slot/query-replace-many)
+(define-key global-map [?\C-%] 'replace-regexp)
+(define-key global-map [?\C-\S-R] 'isearch-backward-regexp)
+(define-key global-map [?\C-\S-S] 'isearch-forward-regexp)
+
+;; ESHELL BINDINGS
+(define-key mode-specific-map "s" 'eshell)
+(add-hook 'eshell-mode-hook (lambda () (define-key eshell-mode-map ")" 'eshell-send-on-close-paren)))
+
+;; MISC BINDINGS
+(define-key esc-map "\C-z" 'eval-region)
+
+(setq custom-file (concat user-emacs-directory "custom-set-variables.el"))
(load custom-file 'noerror)
+
+(provide 'init.el)
+;;; hic terminatur init.el
+++ /dev/null
-;; -*- lexical-binding: t; -*-
-
-(require 'package)
-(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/"))
-
-(unless (bound-and-true-p package--initialized)
- (setq package-enable-at-startup nil)
- (package-initialize))
-
-(unless (package-installed-p 'use-package)
- (package-refresh-contents)
- (package-install 'use-package))
-
-(setq use-package-always-ensure t)
-
-(unless (eq system-type 'windows-nt)
- (use-package slime)
- (use-package ledger-mode))
-
-(use-package company
- :custom
- (company-idle-delay 0)
- (company-tooltip-idle-delay 10)
- (company-minimum-prefix-length 1)
- (company-require-match nil)
- (company-show-quick-access t)
- (company-format-margin-function 'company-text-icons-margin)
- (company-text-face-extra-attributes '(:slant italic))
- (company-selection-wrap-around t)
- (company-tooltip-flip-when-above t)
- (company-insertion-on-trigger nil)
- (company-dabbrev-other-buffers t)
- (company-dabbrev-code-other-buffers t)
- (company-dabbrev-downcase nil)
- (company-dabbrev-ignore-case 'keep-prefix)
- (company-frontends '(company-pseudo-tooltip-unless-just-one-frontend-with-delay
- company-preview-frontend
- company-echo-metadata-frontend))
- :config
- (global-company-mode t)
- :bind
- ((:map company-active-map
- ("<tab>" . (lambda ()
- (interactive)
- (let ((company-tooltip-idle-delay 0.0))
- (company-complete)
- (and company-candidates
- (company-call-frontends 'post-command))))))))
-
-(use-package expand-region
- :bind
- (("C-=" . er/expand-region)))
-
-(use-package gnuplot-mode)
-
-(use-package magit
- :init
- (message "Loading Magit...")
- :config
- (message "Loaded Magit!")
- :bind
- ((:map ctl-x-map
- ("g" . magit-status))))
-
-(use-package openwith
- :config
- (openwith-mode t))
-
-(use-package org
- :ensure nil
-
- :custom
- (org-M-RET-may-split-line nil)
- (org-reverse-note-order t)
- (org-agenda-window-setup 'other-window)
- (org-use-fast-todo-selection 'expert)
- (org-agenda-start-on-weekday nil)
- (org-catch-invisible-edits 'show)
- (org-directory "~/org")
- (org-agenda-files '("~/org/"
- "~/org/kasten/"))
- (org-refile-targets '((nil :maxlevel . 9)
- (org-agenda-files :maxlevel . 9)))
- (org-default-notes-file (concat org-directory "/notes.org"))
- (safe-local-variable-values '((after-save-hook org-auto-archive)))
- (org-todo-keywords '((sequence "TODO(t@)"
- "WAITING(w@)"
- "IN-PROGRESS(i@)"
- "APPT(a@)" "|"
- "DELEGATED(l@)"
- "DONE(d@)"
- "CANCELLED(c@)")))
- (org-capture-templates '(("n" "Note" entry (file+olp org-default-notes-file "Notes") "* %u %?")
- ("t" "TODO" entry (file+olp org-default-notes-file "Tasks") "* TODO %? \n %u")
- ("s" "Service" entry (file+olp org-default-notes-file "Service") "* TODO %? \n %u")
- ("z" "Zettel" entry (file erfassen-zettel) "* %? ::")))
- (org-agenda-custom-commands '(("n" "Agenda and all TODOs"
- ((agenda "") (alltodo "")))
- ("u" "Unscheduled TODOs"
- alltodo "" ((org-agenda-skip-function
- (lambda nil
- (org-agenda-skip-entry-if 'scheduled
- 'deadline
- 'regexp "\n]+>")))
- (org-agenda-overriding-header "Unscheduled TODO entries: ")))))
- :config
- (defun erfassen-zettel ()
- "Add a new zettel to the kasten.
-Creates a new file <datestamp>.org in ~/org/kasten."
- (interactive)
- (expand-file-name (format "%s.org" (format-time-string "%Y-%m-%d-%H%M")) "~/org/kasten/"))
-
- (defun org-auto-archive ()
- "Automatically archive completed tasks in an org file.
-Intended for use as an after-save-hook."
- (interactive)
- (org-map-entries
- (lambda ()
- (org-archive-subtree)
- (setq org-map-continue-from (org-element-property :begin (org-element-at-point))))
- "TODO=\"DONE\"|TODO=\"CANCELLED\"|TODO=\"DELEGATED\""
- 'file)
- (save-buffer))
- :bind
- ((:map mode-specific-map
- ("l" . org-store-link)
- ("a" . org-agenda)
- ("c" . org-capture))
- (:map org-mode-map
- ("C-'" . nil))))
-
-(use-package page-break-lines
- :config
- (global-page-break-lines-mode))
-
-(use-package browse-kill-ring
- :config
- (browse-kill-ring-default-keybindings))
-
-(use-package recentf
- :ensure nil
- :hook
- (after-init . recentf-mode)
- :custom
- (recentf-auto-cleanup "05:00am")
- (recentf-max-saved-items 200)
- (recentf-exclude '((expand-file-name package-user-dir)
- ".cache"
- ".cask"
- ".elfeed"
- "bookmarks"
- "cache"
- "ido.*"
- "recentf")))
+++ /dev/null
-;; -*- lexical-binding: t; -*-
-;; SETQ AND DEFAULTS
-(setq-default indicate-empty-lines t
- fill-column 80
- read-file-name-completion-ignore-case t
- read-buffer-completion-ignore-case t
- cursor-type 'bar
- cursor-in-non-selected-windows 'hollow)
-
-(setq require-final-newline t
- text-quoting-style 'straight
- ring-bell-function 'ignore
- use-short-answers t
- mode-line-compact t
- make-backup-files nil
- auto-save-default nil
- confirm-nonexistent-file-or-buffer nil
- show-paren-delay 0
- show-paren-style 'expression
- blink-matching-paren 'jump
- global-hl-line-sticky-flag t
- echo-keystrokes 0.01
- save-interprogram-paste-before-kill t
- confirm-kill-processes nil
- frame-title-format "Poor Man's LispM"
- eshell-destroy-buffer-when-process-dies t
- dired-listing-switches "-alv --group-directories-first"
- custom-file (concat user-emacs-directory "custom-set-variables.el")
- ediff-window-setup-function 'ediff-setup-windows-plain
- ediff-split-window-function (if (> (frame-width) 150)
- 'split-window-horizontally
- 'split-window-vertically)
- prettify-symbols-alist '(("lambda" . 955)
- ("delta" . 120517)
- ("epsilon" . 120518)
- ("->" . 8594)
- ("<=" . 8804)
- (">=" . 8805)))
-
-(if (eq system-type 'windows-nt)
- (setq delete-by-moving-to-trash t
- ediff-diff-program "\"c:/Program Files/Git/usr/bin/diff.exe\""
- ediff-diff3-program "\"c:/Program Files/Git/usr/bin/diff3.exe\""
- diff-command "\"c:/Program Files/Git/usr/bin/diff.exe\""
- openwith-associations '(("\\.pdf\\'" "sumatrapdf" (file))
- ("\\.xls\\'" "excel" (file))
- ("\\.xlsx\\'" "excel" (file))
- ("\\.doc\\'" "word" (file))
- ("\\.docx\\'" "word" (file))
- ("\\.adpro\\'" "PoductivitySuite" (file))))
- (setq openwith-associations '(("\\.pdf\\'" "zathura" (file))
- ("\\.xls\\'" "libreoffice" (file))
- ("\\.xlsx\\'" "libreoffice" (file))
- ("\\.doc\\'" "libreoffice" (file))
- ("\\.docx\\'" "libreoffice" (file)))))
-
-(unless (display-graphic-p)
- (xterm-mouse-mode 1))
-
-;; OPTIONS
-(fringe-mode 0)
-(winner-mode 1)
-(midnight-mode t)
-(auto-fill-mode t)
-(save-place-mode 1)
-(column-number-mode t)
-(file-name-shadow-mode t)
-(delete-selection-mode t)
-
-(global-hl-line-mode t)
-(global-prettify-symbols-mode t)
-(global-display-line-numbers-mode t)
-(add-to-list 'default-frame-alist '(background-color . "#cae0a6"))
+++ /dev/null
-;; -*- lexical-binding: t; -*-
-;; DEFUNS FOR WINDOWS ONLY
-(defun unfuck-aveva-license ()
- "Remove the offending xml files when aveva can't find the license."
- (interactive)
- (let ((xml1 "c:/ProgramData/AVEVA/Licensing/License API2/Data/LocalAcquireInfo.xml")
- (xml2 "c:/ProgramData/AVEVA/Licensing/License API2/Data/LocalBackEndAcquireInfo.xml"))
- (when (file-exists-p xml1) (delete-file xml1))
- (when (file-exists-p xml2) (delete-file xml2))))
+++ /dev/null
-;; -*- lexical-binding: t; -*-
-;; WORK (NON-EDITING) RELATED DEFUNS
-(defun square (x)
- "Calculate the square of a value."
- (expt x 2))
-
-(defun cube (x)
- "Calculate the cube of a value."
- (expt x 3))
-
-(defun inv (x)
- "Calculate the inverse of a value."
- (/ 1 (float x)))
-
-(defun scaleval (pmax pmin emax emin &optional ai)
- "Calculate the slope and offset given PLC Max/Min and Eng. Max/Min.
-With optional argument 'ai', also calculate a final scaled value from an input."
- (let* ((div (/ (- pmax pmin) (- (float emax) (float emin))))
- (ofst (- emin (/ pmin div))))
- (if (eq nil ai)
- (list div ofst)
- (list div ofst (+ ofst (/ ai div))))))
-
-(defun cfm-circ (fpm radius)
- "Calculate the CFM of a circular duct given fpm and radius (in)."
- (list (* pi fpm (square (/ radius 12)))))
-
-(defun cfm-rect (fpm width height)
- "Calculate the CFM of a rectangular duct given fpm, width (in) and height (in)."
- (list (* fpm (/ width 12) (/ height 12))))
-
-(defun pid-tune (Kᵤ Tᵤ &optional loop-type)
- "Use the Ziegler-Nichols method to tune a P, PI or PID loop.
-Takes Kᵤ, Tᵤ and optional loop-type (P, PI, or PID [default]) as arguments,
- and returns appropriate kp, ki, and kd."
- (cond ((or (equal 'p loop-type)
- (equal 'P loop-type))
- (list (* 0.5 Kᵤ)))
- ((or (equal 'pi loop-type)
- (equal 'PI loop-type))
- (list (* 0.45 Kᵤ) (/ (* 0.54 Kᵤ) Tᵤ)))
- (t
- (list (* 0.6 Kᵤ) (/ (* 1.2 Kᵤ) Tᵤ) (/ (* 3.0 Kᵤ Tᵤ) 40)))))
-
-(defun gn-water-per-lb (temp humidity)
- "Calculate the grains of water per lb of air, given temp (F) and
-humidity (%).
-Returns a list of Sat. Water Press., Hum. Ratio, and Gns water per lb air."
- (let* ((sat-water-press (+ .0182795
- (* temp .001029904)
- (* (square temp) 0.00002579408)
- (* (cube temp) (* 2.400493 (expt 10 -7)))
- (* (expt temp 4) (* 8.100939 (expt 10 -10)))
- (* (expt temp 5) (* 3.256805 (expt 10 -11)))
- (* (expt temp 6) (* -1.001922 (expt 10 -13)))
- (* (expt temp 7) (* 2.44161 (expt 10 -16)))))
- (hum-press (* (/ humidity 100.0) sat-water-press))
- (hum-ratio (/ (* hum-press 0.62198) (- 14.7 hum-press)))
- (gns-water-lb-air (* hum-ratio 7000)))
- (list sat-water-press hum-ratio gns-water-lb-air)))
-
-(defun mm-to-in (mm)
- "Convert milimeters to inches."
- (/ mm 25.4))
-
-(defun in-to-mm (in)
- "Convert milimeters to inches."
- (* in 25.4))
-
-(defun k-to-c (tempk)
- "Convert degrees Kelvin to degrees Celsius."
- (- tempk 273.15))
-
-(defun c-to-k (tempc)
- "Convert degrees Celsius to degrees Kelvin."
- (+ tempc 273.15))
-
-(defun c-to-f (tempc)
- "Convert degrees Celsius to degrees Fahrenheit."
- (+ (* tempc 1.8) 32.0))
-
-(defun f-to-c (tempf)
- "Convert degrees Fahrenheit to degrees Celsius."
- (/ (- tempf 32.0) 1.8))
-
-(defun k-to-f (tempk)
- "Convert degrees Kelvin to degrees Fahrenheit.
-Applies 'c-to-f' to 'k-to-c'."
- (c-to-f (k-to-c tempk)))
-
-(defun f-to-k (tempf)
- "Convert degrees Fahrenheit to degrees Kelvin.
-Applies 'c-to-k' to 'f-to-c'."
- (c-to-k (f-to-c tempf)))
-
-(defun max-counts (resolution)
- "Calculate the max count for a PLC analog, given card's bit-resolution.
-Formula is 1 - 2^(resolution)"
- (- (expt 2 resolution) 1))
-
-(defun volts-to-counts (vin vmax resolution)
- "Convert a voltage signal to a PLC count.
-Calculates a ratio of vin/vmax, then scales by 'max-counts'."
- (* (/ (float vin) (float vmax)) (float (max-counts resolution))))
-
-(defun counts-to-volts (cin vmax resolution)
- "Convert a PLC count to a voltage.
-Calculates a ratio of cin/'max-counts', then multiplies by vmax."
- (* (/ cin (float (max-counts resolution))) vmax))
-
-(defun eff-imp (r1 &optional r2)
- "Calculate the effective input impedance, given two resistances.
-For use in 'amps-to-volts' and related. The handling of only one resistance
-given is done here, instead of doing it in every function that uses this."
- (if (eq nil r2)
- r1
- (inv (+ (inv (float r1)) (inv (float r2))))))
-
-(defun amps-to-volts (amps r1 &optional r2)
- "Calculate the voltage, given amperage and impedance.
-Multiplies the amperage by the effective impedance calculated with 'eff-imp'."
- (* amps (eff-imp r1 r2)))
-
-(defun volts-to-amps (volts r1 &optional r2)
- "Calculate the amperage, given voltage and impedance.
-Divides the voltage by the effective impedance calculated with 'eff-imp'."
- (/ volts (eff-imp r1 r2)))
-
-(defun amps-to-counts (amps vmax resolution r1 &optional r2)
- "Convert an amp signal to PLC Counts.
-Converts the amperage to a voltage using 'amps-to-volts' (with r1 and optional r2),
-then applies 'volts-to-counts' to the resulting voltage, vmax, and resolution."
- (volts-to-counts (amps-to-volts amps r1 r2) vmax resolution))
-
-(defun count-range (type upper lower vmax resolution &optional r1 r2)
- "Given an upper and lower signal, return the list of upper and lower PLC counts.
-Type takes either a v or an i, corresponding to a voltage or current signal.
-With a current signal, use r1 and maybe r2 to calculate 'amps-to-counts'.
-Otherwise ignore r1/r2 and calculate 'volts-to-counts'."
- (cond ((or (equal 'v type)
- (equal 'V type))
- (list (volts-to-counts upper vmax resolution)
- (volts-to-counts lower vmax resolution)))
- ((or (equal 'i type)
- (equal 'I type))
- (list (amps-to-counts upper vmax resolution r1 r2)
- (amps-to-counts lower vmax resolution r1 r2)))))