1 #include "lolevel.h"
2 #include "platform.h"
3 #include "core.h"
4 #include "keyboard.h"
5
6
7 extern long link_bss_start;
8 extern long link_bss_end;
9 extern void boot();
10
11
12 void startup()
13 {
14 long *bss = &link_bss_start;
15
16 // sanity check (pointless with automemiso)
17 if ((long)&link_bss_end > (MEMISOSTART + MEMISOSIZE)){
18 started();
19 shutdown();
20 }
21
22 // initialize .bss senment
23 while (bss<&link_bss_end)
24 *bss++ = 0;
25
26 boot();
27 }
28
29
30 //// TODO setting the DP button as a shortcut to movie in canon menu
31 //// gives a value of (current mode)+1024 while movie is recording, unless
32 //// already in movie mode
33 //static struct {
34 // int hackmode;
35 // int canonmode;
36 //} modemap[] = {
37 // { MODE_AUTO, 32768 },
38 // { MODE_M, 32769 },
39 // { MODE_P, 32772 },
40 // { MODE_PORTRAIT, 0x800D },
41 // { MODE_NIGHT_SNAPSHOT, 0x800B },
42 // { MODE_KIDS_PETS, 0x8010 },
43 // { MODE_INDOOR, 0x8011 },
44 // { MODE_SUNSET, 0x4012 },
45 // { MODE_FOLIAGE, 0x4013 },
46 // { MODE_SNOW, 0x4014 },
47 // { MODE_BEACH, 0x4015 },
48 // { MODE_FIREWORK, 0x4016 },
49 // { MODE_NIGHT_SCENE, 0x4006 }, //AKA Long Shutter --- unclear, 13-Mar-2010/fe50
50 // { MODE_UNDERWATER, 0x4017 },
51 // { MODE_AQUARIUM, 0x4018 },
52 // { MODE_ISO_3200, 0x401D },
53 // { MODE_DIGITAL_MACRO, 0x4208 },
54 // { MODE_COLOR_ACCENT, 0x421B },
55 // { MODE_COLOR_SWAP, 0x421C },
56 // { MODE_STITCH, 0x420A },
57 //// { MODE_QUICK, 33312 },
58 //
59 // { MODE_VIDEO_STD, 0xA29 },
60 // { MODE_VIDEO_COLOR_ACCENT, 0xA27 },
61 // { MODE_VIDEO_COLOR_SWAP, 0xA28 },
62 //};
63 //
64 //#define MODESCNT (sizeof(modemap)/sizeof(modemap[0]))
65
66
67 // Focus length table in firmware @0xfffe2a8c
68 #define NUM_FL 7 // 0 - 6, entries in firmware
69 #define NUM_DATA 3 // 3 words each entry, first is FL
70 extern int focus_len_table[NUM_FL*NUM_DATA];
71
72 // Conversion factor lens FL --> 35mm equiv
73 // lens 35mm CF
74 // ---- ---- --
75 // 5.9 33 ( 33/ 5.9) * 59 = 330 (min FL)
76 // 17.9 100 (100/17.9) * 59 = 329.6 (max FL)
77 #define CF_EFL 330
78 #define CF_EFL_DIV 59
79
80 const int zoom_points = NUM_FL;
81
82 int get_effective_focal_length(int zp) {
83 return (CF_EFL*get_focal_length(zp))/CF_EFL_DIV;
84 }
85
86 int get_focal_length(int zp) {
87 if (zp < 0) zp = 0;
88 else if (zp >= NUM_FL) zp = NUM_FL-1;
89 return focus_len_table[zp*NUM_DATA];
90 }
91
92 int get_zoom_x(int zp) {
93 return get_focal_length(zp)*10/focus_len_table[0];
94 }
95
96 ///*
97 //physw_ bit OK
98 //*/
99 ////VERIFY_SD780 this was mode_get() previously
100 //int mode_get2() {
101 // int mode, i, t=0xFF;
102 // mode = (physw_status[1] & 0x00000001)?MODE_REC:MODE_PLAY;
103 //
104 // _GetPropertyCase(PROPCASE_SHOOTING_MODE, &t, 4);
105 // for (i=0; i<MODESCNT; ++i) {
106 // if (modemap[i].canonmode == t) {
107 // return (mode | (modemap[i].hackmode & MODE_SHOOTING_MASK));
108 // }
109 // }
110 // return (mode);
111 //}
112
113 //VERIFY_SD780 min observed
114 long get_vbatt_min()
115 {
116 return 3375; // hnikesch on forum
117 }
118
119 //VERIFY_SD780 max observed
120 long get_vbatt_max()
121 {
122 return 4125; // fresh off charger slightly greater
123 }
124
125 #if CAM_CONSOLE_LOG_ENABLED
126
127 #define DEV_HDR_WRITE_OFFSET (0x14C/4)
128
129 typedef int DEV_HDR;
130
131 int (*_tyWriteOrig)(DEV_HDR *hdr, char *buf, int len);
132
133
134 int hook_tyWriteOrig(DEV_HDR *hdr, char *buf, int len)
135 {
136 // Slow, but stable writes
137 FILE *fd = fopen("A/stdout.txt", "a");
138 if (fd) {
139 fwrite(buf, 1, len, fd);
140 fclose(fd);
141 }
142
143 return _tyWriteOrig(hdr, buf, len);
144
145 }
146
147 void cam_console_init()
148 {
149 DEV_HDR *DRV_struct;
150
151 DRV_struct = _iosDevFind("/tyCo/0", 0);
152
153 _tyWriteOrig = (void*)DRV_struct[DEV_HDR_WRITE_OFFSET];
154
155 FILE *fd = fopen("A/chdklog.txt", "a");
156 if (fd) {
157 // can't be used with "Fut" API
158 //fprintf(fd, "DRV_struct: %x, _tyWriteOrig: %x\n", DRV_struct, _tyWriteOrig);
159 char buf[256];
160 int buflen = sprintf(buf, "DRV_struct: %x, _tyWriteOrig: %x\n", DRV_struct, _tyWriteOrig);
161 fwrite(buf, 1, buflen, fd);
162 }
163
164 FILE *fdout = fopen("A/stdout.txt", "r");
165 if (fdout)
166 {
167 DRV_struct[DEV_HDR_WRITE_OFFSET] = (int)hook_tyWriteOrig;
168 fclose(fdout);
169 // fprintf(fd, "tyWrite replaced, camera log enabled\n");
170 fwrite("tyWrite replaced, camera log enabled\n", 1, sizeof("tyWrite replaced, camera log enabled\n"), fd);
171 }
172
173 if (fd)
174 {
175 fclose(fd);
176 }
177
178 }
179
180 #endif