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comparison src/power/beos/SDL_syspower.c @ 3186:51750b7a966f

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author Sam Lantinga <slouken@libsdl.org>
date Wed, 10 Jun 2009 13:34:20 +0000
parents 510e3f36c04a
children f7b03b6838cb
comparison
equal deleted inserted replaced
3185:44d5474c2c8a 3186:51750b7a966f
39 #define APM_BIOS_CALL (B_DEVICE_OP_CODES_END + 3) 39 #define APM_BIOS_CALL (B_DEVICE_OP_CODES_END + 3)
40 40
41 #include "SDL_power.h" 41 #include "SDL_power.h"
42 42
43 SDL_bool 43 SDL_bool
44 SDL_GetPowerInfo_BeOS(SDL_PowerState *state, int *seconds, int *percent) 44 SDL_GetPowerInfo_BeOS(SDL_PowerState * state, int *seconds, int *percent)
45 { 45 {
46 const int fd = open("/dev/misc/apm", O_RDONLY); 46 const int fd = open("/dev/misc/apm", O_RDONLY);
47 SDL_bool need_details = SDL_FALSE; 47 SDL_bool need_details = SDL_FALSE;
48 uint16 regs[6]; 48 uint16 regs[6];
49 uint8 ac_status; 49 uint8 ac_status;
51 uint8 battery_flags; 51 uint8 battery_flags;
52 uint8 battery_life; 52 uint8 battery_life;
53 uint32 battery_time; 53 uint32 battery_time;
54 54
55 if (fd == -1) { 55 if (fd == -1) {
56 return SDL_FALSE; /* maybe some other method will work? */ 56 return SDL_FALSE; /* maybe some other method will work? */
57 } 57 }
58 58
59 memset(regs, '\0', sizeof (regs)); 59 memset(regs, '\0', sizeof(regs));
60 regs[0] = APM_FUNC_OFFSET + APM_FUNC_GET_POWER_STATUS; 60 regs[0] = APM_FUNC_OFFSET + APM_FUNC_GET_POWER_STATUS;
61 regs[1] = APM_DEVICE_ALL; 61 regs[1] = APM_DEVICE_ALL;
62 rc = ioctl(fd, APM_BIOS_CALL, regs); 62 rc = ioctl(fd, APM_BIOS_CALL, regs);
63 close(fd); 63 close(fd);
64 64
71 battery_flags = regs[2] >> 8; 71 battery_flags = regs[2] >> 8;
72 battery_life = regs[2] & 0xFF; 72 battery_life = regs[2] & 0xFF;
73 battery_time = (uint32) regs[3]; 73 battery_time = (uint32) regs[3];
74 74
75 /* in theory, _something_ should be set in battery_flags, right? */ 75 /* in theory, _something_ should be set in battery_flags, right? */
76 if (battery_flags == 0x00) { /* older APM BIOS? Less fields. */ 76 if (battery_flags == 0x00) { /* older APM BIOS? Less fields. */
77 battery_time = 0xFFFF; 77 battery_time = 0xFFFF;
78 if (battery_status == 0xFF) { 78 if (battery_status == 0xFF) {
79 battery_flags = 0xFF; 79 battery_flags = 0xFF;
80 } else { 80 } else {
81 battery_flags = (1 << status.battery_status); 81 battery_flags = (1 << status.battery_status);
82 } 82 }
83 } 83 }
84 84
85 if ( (battery_time != 0xFFFF) && (battery_time & (1 << 15)) ) { 85 if ((battery_time != 0xFFFF) && (battery_time & (1 << 15))) {
86 /* time is in minutes, not seconds */ 86 /* time is in minutes, not seconds */
87 battery_time = (battery_time & 0x7FFF) * 60; 87 battery_time = (battery_time & 0x7FFF) * 60;
88 } 88 }
89 89
90 if (battery_flags == 0xFF) { /* unknown state */ 90 if (battery_flags == 0xFF) { /* unknown state */
91 *state = SDL_POWERSTATE_UNKNOWN; 91 *state = SDL_POWERSTATE_UNKNOWN;
92 } else if (battery_flags & (1 << 7)) { /* no battery */ 92 } else if (battery_flags & (1 << 7)) { /* no battery */
93 *state = SDL_POWERSTATE_NO_BATTERY; 93 *state = SDL_POWERSTATE_NO_BATTERY;
94 } else if (battery_flags & (1 << 3)) { /* charging */ 94 } else if (battery_flags & (1 << 3)) { /* charging */
95 *state = SDL_POWERSTATE_CHARGING; 95 *state = SDL_POWERSTATE_CHARGING;
96 need_details = SDL_TRUE; 96 need_details = SDL_TRUE;
97 } else if (ac_status == 1) { 97 } else if (ac_status == 1) {
98 *state = SDL_POWERSTATE_CHARGED; /* on AC, not charging. */ 98 *state = SDL_POWERSTATE_CHARGED; /* on AC, not charging. */
99 need_details = SDL_TRUE; 99 need_details = SDL_TRUE;
100 } else { 100 } else {
101 *state = SDL_POWERSTATE_ON_BATTERY; /* not on AC. */ 101 *state = SDL_POWERSTATE_ON_BATTERY; /* not on AC. */
102 need_details = SDL_TRUE; 102 need_details = SDL_TRUE;
103 } 103 }
104 104
105 *percent = -1; 105 *percent = -1;
106 *seconds = -1; 106 *seconds = -1;
107 if (need_details) { 107 if (need_details) {
108 const int pct = (int) battery_life; 108 const int pct = (int) battery_life;
109 const int secs = (int) battery_time; 109 const int secs = (int) battery_time;
110 110
111 if (pct != 255) { /* 255 == unknown */ 111 if (pct != 255) { /* 255 == unknown */
112 *percent = (pct > 100) ? 100 : pct; /* clamp between 0%, 100% */ 112 *percent = (pct > 100) ? 100 : pct; /* clamp between 0%, 100% */
113 } 113 }
114 if (secs != 0xFFFF) { /* 0xFFFF == unknown */ 114 if (secs != 0xFFFF) { /* 0xFFFF == unknown */
115 *seconds = secs; 115 *seconds = secs;
116 } 116 }
117 } 117 }
118 118
119 return SDL_TRUE; /* the definitive answer if APM driver replied. */ 119 return SDL_TRUE; /* the definitive answer if APM driver replied. */
120 } 120 }
121 121
122 #endif /* SDL_POWER_BEOS */ 122 #endif /* SDL_POWER_BEOS */
123 #endif /* SDL_POWER_DISABLED */ 123 #endif /* SDL_POWER_DISABLED */
124 124
125 /* vi: set ts=4 sw=4 expandtab: */ 125 /* vi: set ts=4 sw=4 expandtab: */
126