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-rw-r--r--apps/plugins/rockboy/rtc.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/apps/plugins/rockboy/rtc.c b/apps/plugins/rockboy/rtc.c
new file mode 100644
index 0000000000..99e71dcfae
--- /dev/null
+++ b/apps/plugins/rockboy/rtc.c
@@ -0,0 +1,135 @@
1
2
3
4#include "rockmacros.h"
5#include <stdio.h>
6
7#include "defs.h"
8#include "mem.h"
9#include "rtc.h"
10#include "rc.h"
11
12struct rtc rtc;
13
14static int syncrtc = 1;
15
16rcvar_t rtc_exports[] =
17{
18 RCV_BOOL("syncrtc", &syncrtc),
19 RCV_END
20};
21
22
23void rtc_latch(byte b)
24{
25 if ((rtc.latch ^ b) & b & 1)
26 {
27 rtc.regs[0] = rtc.s;
28 rtc.regs[1] = rtc.m;
29 rtc.regs[2] = rtc.h;
30 rtc.regs[3] = rtc.d;
31 rtc.regs[4] = (rtc.d>>9) | (rtc.stop<<6) | (rtc.carry<<7);
32 rtc.regs[5] = 0xff;
33 rtc.regs[6] = 0xff;
34 rtc.regs[7] = 0xff;
35 }
36 rtc.latch = b;
37}
38
39void rtc_write(byte b)
40{
41 /* printf("write %02X: %02X (%d)\n", rtc.sel, b, b); */
42 if (!(rtc.sel & 8)) return;
43 switch (rtc.sel & 7)
44 {
45 case 0:
46 rtc.s = rtc.regs[0] = b;
47 while (rtc.s >= 60) rtc.s -= 60;
48 break;
49 case 1:
50 rtc.m = rtc.regs[1] = b;
51 while (rtc.m >= 60) rtc.m -= 60;
52 break;
53 case 2:
54 rtc.h = rtc.regs[2] = b;
55 while (rtc.h >= 24) rtc.h -= 24;
56 break;
57 case 3:
58 rtc.regs[3] = b;
59 rtc.d = (rtc.d & 0x100) | b;
60 break;
61 case 4:
62 rtc.regs[4] = b;
63 rtc.d = (rtc.d & 0xff) | ((b&1)<<9);
64 rtc.stop = (b>>6)&1;
65 rtc.carry = (b>>7)&1;
66 break;
67 }
68}
69
70void rtc_tick()
71{
72 if (rtc.stop) return;
73 if (++rtc.t == 60)
74 {
75 if (++rtc.s == 60)
76 {
77 if (++rtc.m == 60)
78 {
79 if (++rtc.h == 24)
80 {
81 if (++rtc.d == 365)
82 {
83 rtc.d = 0;
84 rtc.carry = 1;
85 }
86 rtc.h = 0;
87 }
88 rtc.m = 0;
89 }
90 rtc.s = 0;
91 }
92 rtc.t = 0;
93 }
94}
95
96void rtc_save_internal(int fd)
97{
98 (void)fd; // stop compiler complaining
99 // TODO
100// fprintf(f, "%d %d %d %02d %02d %02d %02d\n%d\n",
101// rtc.carry, rtc.stop, rtc.d, rtc.h, rtc.m, rtc.s, rtc.t,
102// time(0));
103}
104
105void rtc_load_internal(int fd)
106{
107 //int rt = 0;
108 (void)fd; // stop compiler complaining
109 // TODO
110/* fscanf(
111 f, "%d %d %d %02d %02d %02d %02d\n%d\n",
112 &rtc.carry, &rtc.stop, &rtc.d,
113 &rtc.h, &rtc.m, &rtc.s, &rtc.t, &rt);
114 while (rtc.t >= 60) rtc.t -= 60;
115 while (rtc.s >= 60) rtc.s -= 60;
116 while (rtc.m >= 60) rtc.m -= 60;
117 while (rtc.h >= 24) rtc.h -= 24;
118 while (rtc.d >= 365) rtc.d -= 365;
119 rtc.stop &= 1;
120 rtc.carry &= 1;
121 if (rt) rt = (time(0) - rt) * 60;
122 if (syncrtc) while (rt-- > 0) rtc_tick(); */
123}
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