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[Emacs-diffs] master 0ea6831: * lisp/battery.el: Make it work on my MSI


From: Stefan Monnier
Subject: [Emacs-diffs] master 0ea6831: * lisp/battery.el: Make it work on my MSI Wind
Date: Sat, 07 Mar 2015 04:42:36 +0000

branch: master
commit 0ea68311a5597f0a74c902519ae7a5f1920ed2e9
Author: Stefan Monnier <address@hidden>
Commit: Stefan Monnier <address@hidden>

    * lisp/battery.el: Make it work on my MSI Wind
    
    * lisp/battery.el (battery-echo-area-format): Simplify default.
    (battery-linux-sysfs): Standardize on energy&power.  Accept ADP1
    for AC adapter.
---
 lisp/ChangeLog  |   10 ++++--
 lisp/battery.el |  103 ++++++++++++++++++++++++++++---------------------------
 2 files changed, 59 insertions(+), 54 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 1bd45c0..0b277c7 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,12 +1,16 @@
 2015-03-07  Stefan Monnier  <address@hidden>
 
+       * battery.el (battery-echo-area-format): Simplify default.
+       (battery-linux-sysfs): Standardize on energy&power.  Accept ADP1
+       for AC adapter.
+
        * emacs-lisp/byte-opt.el (byte-optimize-form-code-walker): Don't try to
        unfold `closure's since byte-compile-unfold-lambda doesn't know how to
        do it.
 
 2015-03-06  Oscar Fuentes  <address@hidden>
 
-       * net/browse-url.el (browse-url-firefox): Removed outdated
+       * net/browse-url.el (browse-url-firefox): Remove outdated
        MS-Windows limitations.
 
 2015-03-06  Thomas Fitzsimmons  <address@hidden>
@@ -16,8 +20,8 @@
        (eudc-ldap-cleanup-record-filtering-addresses): Add docstring.
        Don't clean up postal addresses if ldap-ignore-attribute-codings
        is set.  Combine mail addresses into one field. (Bug#17720)
-       (eudc-ldap-simple-query-internal): Call
-       eudc-ldap-cleanup-record-filtering-addresses instead of
+       (eudc-ldap-simple-query-internal):
+       Call eudc-ldap-cleanup-record-filtering-addresses instead of
        eudc-ldap-cleanup-record-simple.
        (eudc-ldap-get-field-list): Likewise.
 
diff --git a/lisp/battery.el b/lisp/battery.el
index 41e5979..b9ce5b4 100644
--- a/lisp/battery.el
+++ b/lisp/battery.el
@@ -44,27 +44,27 @@
 (defcustom battery-status-function
   (cond ((and (eq system-type 'gnu/linux)
              (file-readable-p "/proc/apm"))
-        'battery-linux-proc-apm)
+        #'battery-linux-proc-apm)
        ((and (eq system-type 'gnu/linux)
              (file-directory-p "/proc/acpi/battery"))
-        'battery-linux-proc-acpi)
+        #'battery-linux-proc-acpi)
        ((and (eq system-type 'gnu/linux)
              (file-directory-p "/sys/class/power_supply/")
              (directory-files "/sys/class/power_supply/" nil
                                battery--linux-sysfs-regexp))
-        'battery-linux-sysfs)
+        #'battery-linux-sysfs)
        ((and (eq system-type 'berkeley-unix)
              (file-executable-p "/usr/sbin/apm"))
-        'battery-bsd-apm)
+        #'battery-bsd-apm)
        ((and (eq system-type 'darwin)
              (condition-case nil
                  (with-temp-buffer
                    (and (eq (call-process "pmset" nil t nil "-g" "ps") 0)
                         (> (buffer-size) 0)))
                (error nil)))
-        'battery-pmset)
+        #'battery-pmset)
        ((fboundp 'w32-battery-status)
-        'w32-battery-status))
+        #'w32-battery-status))
   "Function for getting battery status information.
 The function has to return an alist of conversion definitions.
 Its cons cells are of the form
@@ -77,14 +77,7 @@ introduced by a `%' character in a control string."
   :group 'battery)
 
 (defcustom battery-echo-area-format
-  (cond ((eq battery-status-function 'battery-linux-proc-acpi)
-        "Power %L, battery %B at %r (%p%% load, remaining time %t)")
-       ((eq battery-status-function 'battery-linux-sysfs)
-        "Power %L, battery %B (%p%% load, remaining time %t)")
-       ((eq battery-status-function 'battery-pmset)
-        "%L power, battery %B (%p%% load, remaining time %t)")
-       (battery-status-function
-        "Power %L, battery %B (%p%% load, remaining time %t)"))
+  "Power %L, battery %B (%p%% load, remaining time %t)"
   "Control string formatting the string to display in the echo area.
 Ordinary characters in the control string are printed as-is, while
 conversion specifications introduced by a `%' character in the control
@@ -436,11 +429,15 @@ The following %-sequences are provided:
 %m Remaining time (to charge or discharge) in minutes
 %h Remaining time (to charge or discharge) in hours
 %t Remaining time (to charge or discharge) in the form `h:min'"
-  (let (charging-state rate temperature hours
-       (charge-full 0.0)
-       (charge-now 0.0)
+  (let (charging-state temperature hours
+        ;; Some batteries report charges and current, other energy and power.
+        ;; In order to reliably be able to combine those data, we convert them
+        ;; all to energy/power (since we can't combine different charges if
+        ;; they're not at the same voltage).
        (energy-full 0.0)
-       (energy-now 0.0))
+       (energy-now 0.0)
+       (power-now 0.0)
+       (voltage-now 10.8))    ;Arbitrary default, in case the info is missing.
     ;; SysFS provides information about each battery present in the
     ;; system in a separate subdirectory.  We are going to merge the
     ;; available information together.
@@ -452,6 +449,11 @@ The following %-sequences are provided:
        (erase-buffer)
        (ignore-errors (insert-file-contents
                        (expand-file-name "uevent" dir)))
+       (goto-char (point-min))
+       (when (re-search-forward
+              "POWER_SUPPLY_VOLTAGE_NOW=\\([0-9]*\\)$" nil t)
+         (setq voltage-now (/ (string-to-number (match-string 1)) 1000000.0)))
+       (goto-char (point-min))
        (when (re-search-forward "POWER_SUPPLY_PRESENT=1$" nil t)
          (goto-char (point-min))
          (and (re-search-forward "POWER_SUPPLY_STATUS=\\(.*\\)$" nil t)
@@ -461,7 +463,10 @@ The following %-sequences are provided:
          (when (re-search-forward
                  "POWER_SUPPLY_\\(CURRENT\\|POWER\\)_NOW=\\([0-9]*\\)$"
                  nil t)
-           (setq rate (float (string-to-number (match-string 2)))))
+           (cl-incf power-now
+                    (* (float (string-to-number (match-string 2)))
+                       (if (eq (char-after (match-beginning 1)) ?C)
+                           voltage-now 1.0))))
          (goto-char (point-min))
          (when (re-search-forward "POWER_SUPPLY_TEMP=\\([0-9]*\\)$" nil t)
            (setq temperature (match-string 1)))
@@ -475,10 +480,10 @@ The following %-sequences are provided:
                        (re-search-forward
                         "POWER_SUPPLY_CHARGE_NOW=\\([0-9]*\\)$" nil t)
                        (setq now-string (match-string 1)))
-                  (setq charge-full (+ charge-full
-                                       (string-to-number full-string))
-                        charge-now  (+ charge-now
-                                       (string-to-number now-string))))
+                  (cl-incf energy-full (* (string-to-number full-string)
+                                           voltage-now))
+                  (cl-incf energy-now  (* (string-to-number now-string)
+                                           voltage-now)))
                  ((and (progn (goto-char (point-min)) t)
                        (re-search-forward
                         "POWER_SUPPLY_ENERGY_FULL=\\([0-9]*\\)$" nil t)
@@ -486,27 +491,20 @@ The following %-sequences are provided:
                        (re-search-forward
                         "POWER_SUPPLY_ENERGY_NOW=\\([0-9]*\\)$" nil t)
                        (setq now-string (match-string 1)))
-                  (setq energy-full (+ energy-full
-                                       (string-to-number full-string))
-                        energy-now  (+ energy-now
-                                       (string-to-number now-string))))))
+                  (cl-incf energy-full (string-to-number full-string))
+                  (cl-incf energy-now  (string-to-number now-string)))))
          (goto-char (point-min))
-         (when (and energy-now rate (not (zerop rate))
-                    (re-search-forward
-                      "POWER_SUPPLY_VOLTAGE_NOW=\\([0-9]*\\)$" nil t))
+         (unless (zerop power-now)
            (let ((remaining (if (string= charging-state "Discharging")
                                 energy-now
                               (- energy-full energy-now))))
-             (setq hours (/ (/ (* remaining (string-to-number
-                                              (match-string 1)))
-                                rate)
-                            10000000.0)))))))
-    (list (cons ?c (cond ((or (> charge-full 0) (> charge-now 0))
-                         (number-to-string charge-now))
-                        ((or (> energy-full 0) (> energy-now 0))
-                         (number-to-string energy-now))
+             (setq hours (/ remaining power-now)))))))
+    (list (cons ?c (cond ((or (> energy-full 0) (> energy-now 0))
+                         (number-to-string (/ energy-now voltage-now)))
                         (t "N/A")))
-         (cons ?r (if rate (format "%.1f" (/ rate 1000000.0)) "N/A"))
+         (cons ?r (if (> power-now 0.0)
+                      (format "%.1f" (/ power-now 1000000.0))
+                    "N/A"))
          (cons ?m (if hours (format "%d" (* hours 60)) "N/A"))
          (cons ?h (if hours (format "%d" hours) "N/A"))
          (cons ?t (if hours
@@ -514,21 +512,24 @@ The following %-sequences are provided:
                     "N/A"))
          (cons ?d (or temperature "N/A"))
          (cons ?B (or charging-state "N/A"))
-         (cons ?p (cond ((and (> charge-full 0) (> charge-now 0))
-                         (format "%.1f"
-                                 (/ (* 100 charge-now) charge-full)))
-                        ((> energy-full 0)
+         (cons ?p (cond ((and (> energy-full 0) (> energy-now 0))
                          (format "%.1f"
                                  (/ (* 100 energy-now) energy-full)))
                         (t "N/A")))
-         (cons ?L (if (file-readable-p "/sys/class/power_supply/AC/online")
-                      (if (battery-search-for-one-match-in-files
-                           (list "/sys/class/power_supply/AC/online"
-                                 "/sys/class/power_supply/ACAD/online")
-                           "1" 0)
-                          "AC"
-                        "BAT")
-                    "N/A")))))
+         (cons ?L (cond
+                    ((battery-search-for-one-match-in-files
+                      (list "/sys/class/power_supply/AC/online"
+                            "/sys/class/power_supply/ACAD/online"
+                            "/sys/class/power_supply/ADP1/online")
+                      "1" 0)
+                     "AC")
+                    ((battery-search-for-one-match-in-files
+                      (list "/sys/class/power_supply/AC/online"
+                            "/sys/class/power_supply/ACAD/online"
+                            "/sys/class/power_supply/ADP1/online")
+                      "0" 0)
+                     "BAT")
+                    (t "N/A"))))))
 
 
 ;;; `apm' interface for BSD.



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