Initial commit

battery.py first examples in python (very slow) battery.c uses the freebsd sysctl system calls to get the battery state which is much faster.

Initial commit
battery.py first examples in python (very slow) battery.c uses the freebsd sysctl system calls to get the battery state which is much faster.
Miguel Barão
Showing 3 changed files with 85 additions and 0 deletions Show diff stats
battery
battery.c
battery.py
+++ a/battery.c
@@ -0,0 +1,46 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
+const char *bat_icons[] = {
+    "\uf58d",  /* 0% */
+    "\uf579",
+    "\uf57a",
+    "\uf57b",
+    "\uf57c",
+    "\uf57d",  /* 50% */
+    "\uf57e",
+    "\uf57f",
+    "\uf580",
+    "\uf581",
+    "\uf578",  /* 100% */
+};
+
+int main() {
+  int life, state;
+  size_t len = sizeof(int);
+
+  if (sysctlbyname("hw.acpi.battery.state", &state, &len, NULL, 0) ||
+      sysctlbyname("hw.acpi.battery.life", &life, &len, NULL, 0)) {
+    perror("No battery?");
+    exit(EXIT_FAILURE);
+  }
+
+  switch (state) {
+  case 0: /* fully charged */
+    printf("\uf583 Full");
+    break;
+  case 1: /* discharging */
+    printf("%s %d%%\n", bat_icons[life / 10], life);
+    break;
+  case 2: /* charging */
+    printf("\uf583 %d\n", life);
+    break;
+  case 7: /* disconnected */
+    printf("\uf590 Disconnected");
+    break;
+  }
+
+  return 0;
+}
+++ a/battery.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python3
+
+import subprocess
+
+bat_icons = [
+    "\uf58d",  # 0%
+    "\uf579",
+    "\uf57a",
+    "\uf57b",
+    "\uf57c",
+    "\uf57d",  # 50%
+    "\uf57e",
+    "\uf57f",
+    "\uf580",
+    "\uf581",
+    "\uf578",  # 100%
+]
+# bat_alert = f582
+# bat_plus = f58e
+# bat_minus = f58b
+# bat_unknown = f590
+# bat_charging = f583
+
+out = str(
+    subprocess.run(["sysctl", "hw.acpi.battery"], capture_output=True).stdout, "UTF-8"
+)
+bat = dict(line.split(": ") for line in out.splitlines())
+
+state = int(bat["hw.acpi.battery.state"])
+life = int(bat["hw.acpi.battery.life"])
+
+if state == 0:  # fully charged
+    print(f"\uf583 Full")
+elif state == 1:  # discharging
+    print(f"{bat_icons[life // 10]} {life}%")
+elif state == 2:  # charging
+    print(f"\uf583 {life}%")
+elif state == 7:  # disconnected
+    print("\uf590 Disconnected")
	1	+++ a/battery.c
...	...	@@ -0,0 +1,46 @@
	1	+#include <stdio.h>
	2	+#include <stdlib.h>
	3	+#include <sys/types.h>
	4	+#include <sys/sysctl.h>
	5	+
	6	+const char *bat_icons[] = {
	7	+ "\uf58d", /* 0% */
	8	+ "\uf579",
	9	+ "\uf57a",
	10	+ "\uf57b",
	11	+ "\uf57c",
	12	+ "\uf57d", /* 50% */
	13	+ "\uf57e",
	14	+ "\uf57f",
	15	+ "\uf580",
	16	+ "\uf581",
	17	+ "\uf578", /* 100% */
	18	+};
	19	+
	20	+int main() {
	21	+ int life, state;
	22	+ size_t len = sizeof(int);
	23	+
	24	+ if (sysctlbyname("hw.acpi.battery.state", &state, &len, NULL, 0) \|\|
	25	+ sysctlbyname("hw.acpi.battery.life", &life, &len, NULL, 0)) {
	26	+ perror("No battery?");
	27	+ exit(EXIT_FAILURE);
	28	+ }
	29	+
	30	+ switch (state) {
	31	+ case 0: /* fully charged */
	32	+ printf("\uf583 Full");
	33	+ break;
	34	+ case 1: /* discharging */
	35	+ printf("%s %d%%\n", bat_icons[life / 10], life);
	36	+ break;
	37	+ case 2: /* charging */
	38	+ printf("\uf583 %d\n", life);
	39	+ break;
	40	+ case 7: /* disconnected */
	41	+ printf("\uf590 Disconnected");
	42	+ break;
	43	+ }
	44	+
	45	+ return 0;
	46	+}
...	...
	1	+++ a/battery.py
...	...	@@ -0,0 +1,39 @@
	1	+#!/usr/bin/env python3
	2	+
	3	+import subprocess
	4	+
	5	+bat_icons = [
	6	+ "\uf58d", # 0%
	7	+ "\uf579",
	8	+ "\uf57a",
	9	+ "\uf57b",
	10	+ "\uf57c",
	11	+ "\uf57d", # 50%
	12	+ "\uf57e",
	13	+ "\uf57f",
	14	+ "\uf580",
	15	+ "\uf581",
	16	+ "\uf578", # 100%
	17	+]
	18	+# bat_alert = f582
	19	+# bat_plus = f58e
	20	+# bat_minus = f58b
	21	+# bat_unknown = f590
	22	+# bat_charging = f583
	23	+
	24	+out = str(
	25	+ subprocess.run(["sysctl", "hw.acpi.battery"], capture_output=True).stdout, "UTF-8"
	26	+)
	27	+bat = dict(line.split(": ") for line in out.splitlines())
	28	+
	29	+state = int(bat["hw.acpi.battery.state"])
	30	+life = int(bat["hw.acpi.battery.life"])
	31	+
	32	+if state == 0: # fully charged
	33	+ print(f"\uf583 Full")
	34	+elif state == 1: # discharging
	35	+ print(f"{bat_icons[life // 10]} {life}%")
	36	+elif state == 2: # charging
	37	+ print(f"\uf583 {life}%")
	38	+elif state == 7: # disconnected
	39	+ print("\uf590 Disconnected")
...	...