chiark / gitweb /
new alarm workings
authorIan Jackson <ijackson@chiark.greenend.org.uk>
Wed, 6 Jun 2012 00:20:11 +0000 (01:20 +0100)
committerIan Jackson <ijackson@chiark.greenend.org.uk>
Wed, 6 Jun 2012 00:20:18 +0000 (01:20 +0100)
cprogs/xacpi-simple.c

index bbdcecb..9d67c37 100644 (file)
@@ -1,7 +1,3 @@
-/* todo
- old way of doing alarm
-*/
-
 /*
  * display outputs, per line:
  *
@@ -66,7 +62,7 @@
 #define TIMEOUT_ONERROR 3333 /* milliseconds */
 
 static const char program_name[]= "xacpi-simple";
-static int debug;
+static int debug, alarmlevel;
 
 /*---------- general utility stuff and declarations ----------*/
 
@@ -135,7 +131,8 @@ typedef struct batinfo_field {
 #define TYPE_BOTH       100 /* Except this is a magic invalid value.      */
 
 #define SEPARATE_QUANTITY_FIELDS(_)            \
-  _(alarm,   BATTERY,  "alarm", "0", "1")
+  /* See commit ec6f5f0be800bc5f2a27046833dba04e0c67ffac for
+     the code needed to use this */
 
 
 #define ALL_DIRECT_VARS(_)                     \
@@ -354,7 +351,7 @@ ALL_NEEDED_FIELDS(V_NEEDED)
 /* These next three variables are the results of the charging state */
 static unsigned charging_mask; /* 1u<<CHGST_* | ... */
 static double nondegraded_norm, fill_norm, ratepersec_norm;
-static int alarm_level; /* 0=ok, 1=low */
+static int alarmed;
 
 #define Q_VAR(f,t,...) \
 static double total_##f;
@@ -366,6 +363,7 @@ static void acquiredata(void) {
   int r;
   
   charging_mask= 0;
+  alarmed = 0;
 
 #define Q_ZERO(f,t,...) \
   total_##f= 0;
@@ -435,6 +433,16 @@ ALL_PLAIN_ACCUMULATE_FIELDS(Q_ACCUMULATE_PLAIN)
     printf(" %-30s = %20.6f\n", #f, total_##f);
 BAT_QTYS(T_PRINT,,,)
 ALL_PLAIN_ACCUMULATE_FIELDS(T_PRINT)
+  }
+
+  if ((charging_mask & (1u<<CHGST_DISCHARGING)) &&
+      !total_online/*mains*/) {
+    double time_remaining =
+      -total_remaining_capacity * 3600.0 / total_present_rate;
+    if (debug) printf(" %-30s = %20.6f\n", "time remaining", time_remaining);
+    if (time_remaining < alarmlevel)
+      alarmed = 1;
+  }
 
   if (total_design_capacity < 0.5)
     total_design_capacity= 1.0;
@@ -444,8 +452,6 @@ ALL_PLAIN_ACCUMULATE_FIELDS(T_PRINT)
   if (total_design_capacity < total_last_full_capacity)
     total_design_capacity= total_last_full_capacity;
 
-  alarm_level= total_alarm && (charging_mask & 1u << CHGST_DISCHARGING);
-
   nondegraded_norm= total_last_full_capacity / total_design_capacity;
   fill_norm= total_remaining_capacity / total_design_capacity;
   ratepersec_norm=  total_present_rate
@@ -489,6 +495,7 @@ static const char defaultresources[]=
 #define S(s) ((char*)(s))
 static const XrmOptionDescRec optiontable[]= {
   { S("-debug"),        S("*debug"),        XrmoptionIsArg },
+  { S("-warningTime"),  S("*warningTime"),  XrmoptionSepArg },
   { S("-display"),      S("*display"),      XrmoptionSepArg },
   { S("-geometry"),     S("*geometry"),     XrmoptionSepArg },
 #define GC(g)
@@ -539,6 +546,9 @@ static void parseargs(int argc, char **argv) {
 
   debug= !!getresource("debug");
 
+  const char *alarmlevel_string= getresource("alarmLevel");
+  alarmlevel = alarmlevel_string ? atoi(alarmlevel_string) : 300;
+
   disp= XOpenDisplay(getresource("display"));
   if (!disp) fail("could not open display");
 
@@ -625,7 +635,7 @@ static void show(void) {
                charging_mask & (1u<<CHGST_CHARGING)
                ? pix_green : pix_blue);
                
-  setforeground(&gc_empty, alarm_level ? pix_red : pix_black);
+  setforeground(&gc_empty, alarmed ? pix_red : pix_black);
 
   for (i=0, first_beyond=1; i<height; i++) {
     elap= !i ? 0 :