+/* todo
+ power vs current
+ Full
+ old way of doing alarm
+*/
+
/*
* display outputs, per line:
*
* green | black | dimgrey charging
* cyan | black | dimgrey charged
* grey | black | dimgrey charging&discharching!
+ * darkcyan | black | dimgrey none of the above
* blue | red | dimgrey discharging - low!
* green | red | dimgrey charging - low
* cyan | red | dimgrey charged - low [1]
#include <errno.h>
#include <unistd.h>
#include <ctype.h>
+#include <stdint.h>
+#include <limits.h>
#include <sys/poll.h>
#include <sys/types.h>
}
static void badusage(void) { fail("bad usage"); }
-#define CHGST_DISCHARGING 0 /* Reflects order in E(state,charging_state) */
-#define CHGST_CHARGING 1 /* in fields table. Also, much code assumes */
-#define CHGST_CHARGED 2 /* exactly these three possible states. */
-#define CHGST_ERROR 8 /* Except that this one is an extra bit. */
+typedef uint64_t value;
+#define VAL_NOTFOUND (~(value)0)
+
+typedef struct fileinfo fileinfo;
+typedef int parser(const fileinfo*);
-/*---------- structure of and results from /proc/acpi/battery/... ----------*/
-/* variables thisbat_... are the results from readbattery();
- * if readbattery() succeeds they are all valid and not VAL_NOTFOUND
+static parser parse_uevent, parse_separate;
+
+struct fileinfo {
+ const char *filename;
+ parser *parse;
+ const void *extra;
+};
+
+/*---------- structure of and results from /sys/class/power/... ----------*/
+/* variables this_... are the results from readbattery();
+ * if readbattery() succeeds the appropriate ones are all valid
+ * and not VAL_NOTFOUND
*/
typedef struct batinfo_field {
- const char *file;
const char *label;
- const char *acpi_label;
- double acpi_conversion_factor;
- unsigned long *valuep;
- const char *unit;
+ value *valuep;
const char *enumarray[10];
} batinfo_field;
-#define QUANTITY_FIELDS \
- QF(info, design_capacity, "mWh", energy_full_design, 1e-3) \
- QF(info, last_full_capacity, "mWh", energy_full, 1e-3) \
- QF(state, present_rate, "mW", power_now, 1e-3) \
- QF(state, remaining_capacity, "mWh", energy_now, 1e-3) \
- QF(alarm, alarm, "mWh", alarm, 1e-3)
-
-#define QF(f,l,u,a,ac) static unsigned long thisbat_##f##_##l;
- QUANTITY_FIELDS
-#undef QF
-
-static unsigned long thisbat_alarm_present, thisbat_info_present;
-static unsigned long thisbat_state_present, thisbat_state_charging_state;
-
-#define VAL_NOTFOUND (~0UL)
-
-static const batinfo_field fields[]= {
-#define E(f,l) #f, #l, &thisbat_##f##_##l, 0
-#define QF(f,l,u) { #f, #l, &thisbat_##f##_##l, u },
- { E(alarm, present), 0,0, { "no", "yes" } },
- { E(info, present), 0,0, { "no", "yes" } },
- { E(state,present), 0,0, { "no", "yes" } },
- { E(state,charging_state), { "discharging", "charging", "charged" } },
- QUANTITY_FIELDS /* take care re charging_state values order - */
- { 0 } /* if you must change it, search for CHGST_... */
-#undef E
-#undef QF
+#define BAT_QTYS(_) \
+ _(design_capacity, ENERGY, CHARGE, FULL_DESIGN ) \
+ _(last_full_capacity, ENERGY, CHARGE, FULL ) \
+ _(remaining_capacity, ENERGY, CHARGE, NOW ) \
+ _(present_rate, POWER, CURRENT, NOW )
+ /* ENERGY [mWh]; POWER [mW]; CHARGE [uAh]; CURRENT [uA] */
+
+#define UEVENT_QTY_CHARGE(f,lle,llc,lr) \
+ _(f##_energy, BATTERY, lle##_##lr ) \
+ _(f##_charge, BATTERY, llc##_##lr )
+
+#define UEVENT_QUANTITY_FIELDS(_) \
+ BAT_QTYS(UEVENT_QTY_CHARGE) \
+ _(present, BATTERY, PRESENT ) /* boolean */ \
+ _(online, MAINS, ONLINE ) /* boolean */
+
+#define UEVENT_ENUM_FIELDS(_) \
+ _(state, BATTERY, STATUS, "Discharging","Charging","Full","Unknown" ) \
+ _(type, BOTH, TYPE, "Mains", "Battery" )
+
+#define CHGST_DISCHARGING 0 /* Reflects order in _(state,...) above */
+#define CHGST_CHARGING 1 /* Also, much code assumes exactly */
+#define CHGST_CHARGED 2 /* these three possible states. */
+#define CHGST_UNKNOWN 3 /* these three possible states. */
+#define CHGST_ERROR 8 /* Except that this one is an extra bit. */
+
+#define TYPE_MAINS 0 /* Reflects order in _(type,...) above */
+#define TYPE_BATTERY 1 /* Also, much code assumes exactly these two */
+#define TYPE_BOTH 100 /* Except this is a magic invalid value. */
+
+#define SEPARATE_QUANTITY_FIELDS(_) \
+ _(alarm, BATTERY, "alarm", "0", "1")
+
+#define ALL_FIELDS(_) \
+ UEVENT_QUANTITY_FIELDS(_) \
+ UEVENT_ENUM_FIELDS(_) \
+ SEPARATE_QUANTITY_FIELDS(_)
+
+#define ALL_QUANTITY_FIELDS(_) \
+ UEVENT_QUANTITY_FIELDS(_) \
+ SEPARATE_QUANTITY_FIELDS(_)
+
+#define ALL_VARS(_) \
+ ALL_FIELDS(_) \
+ BAT_QTYS(_)
+
+#define F_VAR(f,...) \
+static value this_##f;
+ALL_VARS(F_VAR)
+
+#define Q_FLD(f,t,l) { "POWER_SUPPLY_" #l, &this_##f },
+#define E_FLD(f,t,l,vl...) { "POWER_SUPPLY_" #l, &this_##f, { vl } },
+
+static const batinfo_field uevent_fields[]= {
+ UEVENT_QUANTITY_FIELDS(Q_FLD)
+ UEVENT_ENUM_FIELDS(E_FLD)
+ { 0 }
};
-static const char *files[]= { "info", "state", "alarm" };
+#define S_FLD(f,t,fn,vl...) \
+static const batinfo_field bif_##f = { 0, &this_##f, { vl } };
+ SEPARATE_QUANTITY_FIELDS(S_FLD)
+
+#define S_FILE(f,t,fn,vl...) { fn, parse_separate, &bif_##f },
+
+static const fileinfo files[]= {
+ { "uevent", parse_uevent, uevent_fields },
+ SEPARATE_QUANTITY_FIELDS(S_FILE)
+ { 0 }
+};
-/*---------- parsing of one battery in /proc/acpi/battery/... ----------*/
+/*---------- parsing of one thingx in /sys/class/power/... ----------*/
/* variables private to the parser and its error handlers */
static char batlinebuf[1000];
static int batfailf(const char *why) {
if (batlinevalue) {
- fprintf(stderr,"battery/%s/%s: %s value `%s': %s\n",
+ fprintf(stderr,"%s/%s: %s value `%s': %s\n",
batdirname,batfilename, batlinebuf,batlinevalue,why);
} else {
- fprintf(stderr,"battery/%s/%s: %s: `%s'\n",
+ fprintf(stderr,"%s/%s: %s: `%s'\n",
batdirname,batfilename, why, batlinebuf);
}
return -1;
}
+static int batfailc(const char *why) {
+ fprintf(stderr,"%s/%s: %s\n",
+ batdirname,batfilename, why);
+ return -1;
+}
+
static int batfaile(const char *syscall, const char *target) {
- fprintf(stderr,"battery/%s: failed to %s %s: %s\n",
+ fprintf(stderr,"%s: failed to %s %s: %s\n",
batdirname ? batdirname : "*", syscall, target, strerror(errno));
return -1;
}
-static void chdir_base(void) {
+static int chdir_base(void) {
int r;
- r= chdir("/proc/acpi/battery");
- if (r) batfaile("chdir","/proc/acpi/battery");
+ r= chdir("/sys/class/power_supply");
+ if (r) return batfaile("chdir","/sys/class/power_supply");
+
+ return 0;
}
static void tidybattery(void) {
if (batfile) { fclose(batfile); batfile=0; }
- if (batdirname) { chdir_base(); batdirname=0; }
}
-static int readbattery(void) { /* 0=>ok, -1=>couldn't */
+static int parse_value(const fileinfo *cfile, const batinfo_field *field) {
+ if (*field->valuep != VAL_NOTFOUND)
+ return batfailf("value specified multiple times");
+
+ if (!field->enumarray[0]) {
+
+ char *ep;
+ *field->valuep= strtoull(batlinevalue,&ep,10);
+ if (*ep)
+ batfailf("value number syntax incorrect");
+
+ } else {
+
+ const char *const *enumsearch;
+ for (*field->valuep=0, enumsearch=field->enumarray;
+ *enumsearch && strcmp(*enumsearch,batlinevalue);
+ (*field->valuep)++, enumsearch++);
+ if (!*enumsearch)
+ batfailf("unknown enum value");
+
+ }
+ return 0;
+}
+
+static int parse_separate(const fileinfo *cfile) {
+ batlinevalue = batlinebuf;
+ return parse_value(cfile, cfile->extra);
+}
+
+static int parse_uevent(const fileinfo *cfile) {
+ char *equals= strchr(batlinebuf,'=');
+ if (!equals)
+ return batfailf("line without a equals");
+ *equals= 0;
+ batlinevalue = equals+1;
+
const batinfo_field *field;
- const char *const *cfilename, *const *enumsearch;
- char *colon, *ep, *sr, *p;
- int r, l, missing;
+ for (field=cfile->extra; field->label; field++) {
+ if (!strcmp(field->label,batlinebuf))
+ goto found;
+ }
+ return 0;
+
+ found:
+ return parse_value(cfile, field);
+}
+
+static int readbattery(void) { /* 0=>ok, -1=>couldn't */
+
+ const fileinfo *cfile;
+ char *sr;
+ int r, l;
+ r= chdir_base();
+ if (r) return r;
+
r= chdir(batdirname);
if (r) return batfaile("chdir",batdirname);
- for (field=fields; field->file; field++)
- *field->valuep= VAL_NOTFOUND;
+#define V_NOTFOUND(f,...) \
+ this_##f = VAL_NOTFOUND;
+ALL_VARS(V_NOTFOUND)
- for (cfilename=files;
- (batfilename= *cfilename);
- cfilename++) {
+ for (cfile=files;
+ (batfilename= cfile->filename);
+ cfile++) {
batfile= fopen(batfilename,"r");
- if (!batfile) return batfaile("open",batfilename);
+ if (!batfile) {
+ if (errno == ENOENT) continue;
+ return batfaile("open",batfilename);
+ }
for (;;) {
batlinevalue= 0;
if (batlinebuf[l-1] != '\n')
return batfailf("line too long");
batlinebuf[l-1]= 0;
- colon= strchr(batlinebuf,':');
- if (!colon)
- return batfailf("line without a colon");
- *colon= 0;
-
- for (batlinevalue= colon+1;
- *batlinevalue && isspace((unsigned char)*batlinevalue);
- batlinevalue++);
-
- if (!strcmp(batlinebuf,"ERROR"))
- return batfailf("kernel reports error");
-
- for (p=batlinebuf; p<colon; p++)
- if (*p == ' ')
- *p= '_';
-
- for (field=fields; field->file; field++) {
- if (!strcmp(field->file,batfilename) &&
- !strcmp(field->label,batlinebuf))
- goto label_interesting;
- }
- continue;
-
- label_interesting:
- if (field->unit) {
-
- *field->valuep= strtoul(batlinevalue,&ep,10);
- if (ep==batlinevalue || *ep!=' ')
- batfailf("value number syntax incorrect");
- if (strcmp(ep+1,field->unit)) batfailf("incorrect unit");
-
- } else {
-
- for (*field->valuep=0, enumsearch=field->enumarray;
- *enumsearch && strcmp(*enumsearch,batlinevalue);
- (*field->valuep)++, enumsearch++);
- if (!*enumsearch)
- batfailf("unknown enum value");
- }
+ if (cfile->parse(cfile))
+ return -1;
}
fclose(batfile);
batfile= 0;
}
- if (!(thisbat_alarm_present==0 ||
- thisbat_state_present==0 || thisbat_info_present==0)) {
- if (thisbat_alarm_present == VAL_NOTFOUND)
- thisbat_alarm_present= 1;
-
- for (field=fields, missing=0;
- field->file;
- field++) {
- if (*field->valuep == VAL_NOTFOUND) {
- fprintf(stderr,"battery/%s/%s: %s: not found\n",
- batdirname, field->file,field->label);
- missing++;
- }
- }
- if (missing) return -1;
+ int needsfields_MAINS = this_type == TYPE_MAINS;
+ int needsfields_BATTERY = this_type == TYPE_BATTERY;
+ int needsfields_BOTH = 1;
+
+ int missing = 0;
+
+#define V_NEEDED(f,t,...) \
+ if (needsfields_##t && this_##f == VAL_NOTFOUND) { \
+ fprintf(stderr,"%s: %s: not found\n", \
+ batdirname, #f); \
+ missing++; \
}
+ALL_FIELDS(V_NEEDED)
- r= chdir("..");
- if (r) return batfaile("chdir","..");
- batdirname= 0;
+ if (missing) return -1;
return 0;
}
/*---------- data collection and analysis ----------*/
/* These next three variables are the results of the charging state */
-static unsigned charging_state_mask; /* 1u<<CHGST_* | ... */
+static unsigned charging_mask; /* 1u<<CHGST_* | ... */
static double nondegraded_norm, fill_norm, ratepersec_norm;
static int alarm_level; /* 0=ok, 1=low */
-#define QF(f,l,u) \
- static double total_##f##_##l;
- QUANTITY_FIELDS
-#undef QF
+#define Q_VAR(f,t,...) \
+static double total_##f;
+ ALL_QUANTITY_FIELDS(Q_VAR)
static void acquiredata(void) {
DIR *di;
struct dirent *de;
int r;
- charging_state_mask= 0;
+ charging_mask= 0;
+
+#define Q_ZERO(f,t,...) \
+ total_##f= 0;
+ALL_QUANTITY_FIELDS(Q_ZERO)
-#define QF(f,l,u) \
- total_##f##_##l= 0;
- QUANTITY_FIELDS
-#undef QF
+ r = chdir_base();
+ if (r) goto bad;
- di= opendir("."); if (!di) batfaile("opendir","battery");
+ di= opendir("."); if (!di) { batfaile("opendir","battery"); goto bad; }
while ((de= readdir(di))) {
if (de->d_name[0]==0 || de->d_name[0]=='.') continue;
r= readbattery();
tidybattery();
- if (r) { charging_state_mask |= CHGST_ERROR; continue; }
+ if (r) {
+ bad:
+ charging_mask |= (1u << CHGST_ERROR);
+ break;
+ }
+
+ if (this_type == TYPE_BATTERY) {
+ if (!this_present)
+ continue;
+
+ charging_mask |= 1u << this_state;
- if (!thisbat_info_present || !thisbat_state_present)
- continue;
+ if (this_state == CHGST_DISCHARGING)
+ /* negate it */
+ total_present_rate -= 2.0 * thisbat_present_rate;
- charging_state_mask |= 1u << thisbat_state_charging_state;
+#define QTY_ENERGY_SUPPLIED(f,...) this_##f##_energy != V_NOTFOUND &&
+#define QTY_ENERGY_USE(f,...) this_##f = this_##f##_energy;
+#define QTY_CHARGE_SUPPLIED(f,...) this_##f##_charge != V_NOTFOUND &&
+#define QTY_CHARGE_USE(f,...) this_##f = this_##f##_charge;
-#define QF(f,l,u) \
- total_##f##_##l += thisbat_##f##_##l;
- QUANTITY_FIELDS
-#undef QF
+ if (BAT_QTYS(QTY_ENERGY_SUPPLIED) 1) {
+ BAT_QTYS(QTY_ENERGY_USE);
+ } else if (BAT_QTYS(QTY_CHARGE_SUPPLIED) 1) {
+ BAT_QTYS(QTY_CHARGE_USE);
+ } else {
+ return batfailc("neither complete set of energy nor charge");
+ }
+ }
- if (thisbat_state_charging_state == CHGST_DISCHARGING)
- /* negate it */
- total_state_present_rate -= 2.0 * thisbat_state_present_rate;
+#define Q_TOTALISE(f,t,...) \
+ if (thisbat_type == TYPE_##t) \
+ total_##f += thisbat_##f;
+ALL_QUANTITY_FIELDS(Q_TOTALISE)
}
closedir(di);
- if (total_info_design_capacity < 0.5)
- total_info_design_capacity= 1.0;
+ if (total_design_capacity < 0.5)
+ total_design_capacity= 1.0;
- if (total_info_last_full_capacity < total_state_remaining_capacity)
- total_info_last_full_capacity= total_state_remaining_capacity;
- if (total_info_design_capacity < total_info_last_full_capacity)
- total_info_design_capacity= total_info_last_full_capacity;
+ if (total_last_full_capacity < total_remaining_capacity)
+ total_last_full_capacity= total_remaining_capacity;
+ if (total_design_capacity < total_last_full_capacity)
+ total_design_capacity= total_last_full_capacity;
- alarm_level=
- (total_state_remaining_capacity < total_alarm_alarm &&
- !(charging_state_mask & 1u << CHGST_CHARGING));
+ alarm_level= total_alarm && (charging_mask & 1u << CHGST_DISCHARGING);
- nondegraded_norm= total_info_last_full_capacity / total_info_design_capacity;
- fill_norm= total_state_remaining_capacity / total_info_design_capacity;
- ratepersec_norm= total_state_present_rate
- / (3600.0 * total_info_design_capacity);
+ nondegraded_norm= total_last_full_capacity / total_design_capacity;
+ fill_norm= total_remaining_capacity / total_design_capacity;
+ ratepersec_norm= total_present_rate
+ / (3600.0 * total_design_capacity);
}
static void initacquire(void) {
- chdir_base();
}
/*---------- argument parsing ----------*/
C(blue, discharging) \
C(green, charging) \
C(cyan, charged) \
+ C(darkcyan, notcharging) \
C(grey, confusing) \
C(black, normal) \
C(red, low) \
static void refresh(void);
-#define CHGMASK_CHG_DIS (1u<<CHGST_CHARGING | 1u<<CHGST_DISCHARGING)
+#define CHGMASK_CHG_DIS ((1u<<CHGST_CHARGING) | (1u<<CHGST_DISCHARGING))
static void failr(const char *m, int r) {
fprintf(stderr,"error: %s (code %d)\n", m, r);
double elap, then;
int i, leftmost_lit, leftmost_nondeg, beyond, first_beyond;
- if (!charging_state_mask)
+ if (!charging_mask)
return show_solid(pix_darkgreen);
- if (charging_state_mask & CHGST_ERROR)
+ if (charging_mask & (1u << CHGST_ERROR))
return show_solid(pix_yellow);
setbackground(pix_dimgrey);
XClearWindow(disp,win);
setforeground(&gc_remain,
- !(charging_state_mask & CHGMASK_CHG_DIS) ? pix_cyan :
- !(~charging_state_mask & CHGMASK_CHG_DIS) ? pix_grey :
- charging_state_mask & (1u<<CHGST_CHARGING)
+ !(charging_mask & CHGMASK_CHG_DIS) ?
+ (~charging_mask & (1u << CHGST_CHARGED) ?
+ pix_darkcyan : pix_cyan) :
+ !(~charging_mask & CHGMASK_CHG_DIS) ? pix_grey :
+ charging_mask & (1u<<CHGST_CHARGING)
? pix_green : pix_blue);
setforeground(&gc_empty, alarm_level ? pix_red : pix_black);
then= fill_norm + ratepersec_norm * elap;
beyond=
- ((charging_state_mask & (1u<<CHGST_DISCHARGING) && then <= 0.0) ||
- (charging_state_mask & (1u<<CHGST_CHARGING) && then>=nondegraded_norm));
+ ((charging_mask & (1u<<CHGST_DISCHARGING) && then <= 0.0) ||
+ (charging_mask & (1u<<CHGST_CHARGING) && then>=nondegraded_norm));
if (then <= 0.0) then= 0.0;
else if (then >= nondegraded_norm) then= nondegraded_norm;
static void newgeometry(void) {
int dummy;
+ unsigned int udummy, gotwidth, gotheight;
Window dummyw;
- XGetGeometry(disp,win, &dummyw,&dummy,&dummy, &width,&height, &dummy,&dummy);
+ XGetGeometry(disp,win, &dummyw,&dummy,&dummy, &gotwidth,&gotheight,
+ &udummy,&udummy);
+ assert(gotwidth < INT_MAX);
+ assert(gotheight < INT_MAX);
+ width = gotwidth;
+ height = gotheight;
}
static void eventloop(void) {
pfd.fd= ConnectionNumber(disp);
pfd.events= POLLIN|POLLERR;
- timeout= !(charging_state_mask & CHGST_ERROR) ? TIMEOUT : TIMEOUT_ONERROR;
+ timeout= !(charging_mask & (1u << CHGST_ERROR)) ? TIMEOUT : TIMEOUT_ONERROR;
r= poll(&pfd,1,timeout);
if (r==-1 && errno!=EINTR) failr("poll",errno);
~ian / chiark-utils.git / blobdiff