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This commit is contained in:
Sam Lantinga
2009-06-10 13:34:20 +00:00
parent e51eed13d1
commit aed8be2521
18 changed files with 616 additions and 704 deletions
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61
src/power/linux/SDL_syspower.c
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@@ -34,28 +34,28 @@
#include "SDL_power.h"
SDL_bool
SDL_GetPowerInfo_Linux_sys_power(SDL_PowerState *state,
SDL_GetPowerInfo_Linux_sys_power(SDL_PowerState * state,
int *seconds, int *percent)
{
return SDL_FALSE; /* !!! FIXME: write me. */
return SDL_FALSE; /* !!! FIXME: write me. */
#if 0
const int fd = open("/sys/power", O_RDONLY);
if (fd == -1) {
return SDL_FALSE; /* can't use this interface. */
return SDL_FALSE; /* can't use this interface. */
}
return SDL_TRUE;
#endif
}
SDL_bool
SDL_GetPowerInfo_Linux_proc_acpi(SDL_PowerState *state,
int *seconds, int *percent)
SDL_GetPowerInfo_Linux_proc_acpi(SDL_PowerState * state,
int *seconds, int *percent)
{
return SDL_FALSE; /* !!! FIXME: write me. */
return SDL_FALSE; /* !!! FIXME: write me. */
#if 0
const int fd = open("/proc/acpi", O_RDONLY);
if (fd == -1) {
return SDL_FALSE; /* can't use this interface. */
return SDL_FALSE; /* can't use this interface. */
}
return SDL_TRUE;
#endif
@@ -67,7 +67,7 @@ next_string(char **_ptr, char **_str)
char *ptr = *_ptr;
char *str = *_str;
while (*ptr == ' ') { /* skip any spaces... */
while (*ptr == ' ') { /* skip any spaces... */
ptr++;
}
@@ -91,14 +91,14 @@ static SDL_bool
int_string(char *str, int *val)
{
char *endptr = NULL;
*val = (int) strtol(str+2, &endptr, 16);
*val = (int) strtol(str + 2, &endptr, 16);
return ((*str != '\0') && (*endptr == '\0'));
}
/* http://lxr.linux.no/linux+v2.6.29/drivers/char/apm-emulation.c */
SDL_bool
SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState *state,
int *seconds, int *percent)
SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState * state,
int *seconds, int *percent)
{
SDL_bool need_details = SDL_FALSE;
int ac_status = 0;
@@ -113,44 +113,44 @@ SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState *state,
ssize_t br;
if (fd == -1) {
return SDL_FALSE; /* can't use this interface. */
return SDL_FALSE; /* can't use this interface. */
}
br = read(fd, buf, sizeof (buf) - 1);
br = read(fd, buf, sizeof(buf) - 1);
close(fd);
if (br < 0) {
return SDL_FALSE;
}
buf[br] = '\0'; // null-terminate the string.
if (!next_string(&ptr, &str)) { /* driver version */
buf[br] = '\0'; // null-terminate the string.
if (!next_string(&ptr, &str)) { /* driver version */
return SDL_FALSE;
}
if (!next_string(&ptr, &str)) { /* BIOS version */
if (!next_string(&ptr, &str)) { /* BIOS version */
return SDL_FALSE;
}
if (!next_string(&ptr, &str)) { /* APM flags */
if (!next_string(&ptr, &str)) { /* APM flags */
return SDL_FALSE;
}
if (!next_string(&ptr, &str)) { /* AC line status */
if (!next_string(&ptr, &str)) { /* AC line status */
return SDL_FALSE;
} else if (!int_string(str, &ac_status)) {
return SDL_FALSE;
}
if (!next_string(&ptr, &str)) { /* battery status */
if (!next_string(&ptr, &str)) { /* battery status */
return SDL_FALSE;
} else if (!int_string(str, &battery_status)) {
return SDL_FALSE;
}
if (!next_string(&ptr, &str)) { /* battery flag */
if (!next_string(&ptr, &str)) { /* battery flag */
return SDL_FALSE;
} else if (!int_string(str, &battery_flag)) {
return SDL_FALSE;
}
if (!next_string(&ptr, &str)) { /* remaining battery life percent */
if (!next_string(&ptr, &str)) { /* remaining battery life percent */
return SDL_FALSE;
}
if (str[strlen(str) - 1] == '%') {
@@ -160,27 +160,27 @@ SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState *state,
return SDL_FALSE;
}
if (!next_string(&ptr, &str)) { /* remaining battery life time */
if (!next_string(&ptr, &str)) { /* remaining battery life time */
return SDL_FALSE;
} else if (!int_string(str, &battery_time)) {
return SDL_FALSE;
}
if (!next_string(&ptr, &str)) { /* remaining battery life time units */
if (!next_string(&ptr, &str)) { /* remaining battery life time units */
return SDL_FALSE;
} else if (strcmp(str, "min") == 0) {
battery_time *= 60;
}
if (battery_flag == 0xFF) { /* unknown state */
if (battery_flag == 0xFF) { /* unknown state */
*state = SDL_POWERSTATE_UNKNOWN;
} else if (battery_flag & (1 << 7)) { /* no battery */
} else if (battery_flag & (1 << 7)) { /* no battery */
*state = SDL_POWERSTATE_NO_BATTERY;
} else if (battery_flag & (1 << 3)) { /* charging */
} else if (battery_flag & (1 << 3)) { /* charging */
*state = SDL_POWERSTATE_CHARGING;
need_details = SDL_TRUE;
} else if (ac_status == 1) {
*state = SDL_POWERSTATE_CHARGED; /* on AC, not charging. */
*state = SDL_POWERSTATE_CHARGED; /* on AC, not charging. */
need_details = SDL_TRUE;
} else {
*state = SDL_POWERSTATE_ON_BATTERY;
@@ -193,10 +193,10 @@ SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState *state,
const int pct = battery_percent;
const int secs = battery_time;
if (pct >= 0) { /* -1 == unknown */
*percent = (pct > 100) ? 100 : pct; /* clamp between 0%, 100% */
if (pct >= 0) { /* -1 == unknown */
*percent = (pct > 100) ? 100 : pct; /* clamp between 0%, 100% */
}
if (secs >= 0) { /* -1 == unknown */
if (secs >= 0) { /* -1 == unknown */
*seconds = secs;
}
}
@@ -208,4 +208,3 @@ SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState *state,
#endif /* SDL_POWER_DISABLED */
/* vi: set ts=4 sw=4 expandtab: */