1 |
|
|
/*************************************************************************** |
2 |
|
|
* Copyright (c) 2024 Microsoft Corporation |
3 |
|
|
* Copyright (c) 2026-present Eclipse ThreadX contributors |
4 |
|
|
* |
5 |
|
|
* This program and the accompanying materials are made available under the |
6 |
|
|
* terms of the MIT License which is available at |
7 |
|
|
* https://opensource.org/licenses/MIT. |
8 |
|
|
* |
9 |
|
|
* SPDX-License-Identifier: MIT |
10 |
|
|
**************************************************************************/ |
11 |
|
|
|
12 |
|
|
|
13 |
|
|
/**************************************************************************/ |
14 |
|
|
/**************************************************************************/ |
15 |
|
|
/** */ |
16 |
|
|
/** FileX Component */ |
17 |
|
|
/** */ |
18 |
|
|
/** System */ |
19 |
|
|
/** */ |
20 |
|
|
/**************************************************************************/ |
21 |
|
|
/**************************************************************************/ |
22 |
|
|
|
23 |
|
|
#define FX_SOURCE_CODE |
24 |
|
|
|
25 |
|
|
|
26 |
|
|
/* Include necessary system files. */ |
27 |
|
|
|
28 |
|
|
#include "fx_api.h" |
29 |
|
|
#include "fx_system.h" |
30 |
|
|
|
31 |
|
|
|
32 |
|
|
/**************************************************************************/ |
33 |
|
|
/* */ |
34 |
|
|
/* FUNCTION RELEASE */ |
35 |
|
|
/* */ |
36 |
|
|
/* _fx_system_timer_entry PORTABLE C */ |
37 |
|
|
/* 6.1 */ |
38 |
|
|
/* AUTHOR */ |
39 |
|
|
/* */ |
40 |
|
|
/* William E. Lamie, Microsoft Corporation */ |
41 |
|
|
/* */ |
42 |
|
|
/* DESCRIPTION */ |
43 |
|
|
/* */ |
44 |
|
|
/* This function is FileX system timer function. It is called at the */ |
45 |
|
|
/* rate specified by FX_UPDATE_RATE_IN_SECONDS and is responsible for */ |
46 |
|
|
/* maintaining both the system date and time. */ |
47 |
|
|
/* */ |
48 |
|
|
/* INPUT */ |
49 |
|
|
/* */ |
50 |
|
|
/* id Not used */ |
51 |
|
|
/* */ |
52 |
|
|
/* OUTPUT */ |
53 |
|
|
/* */ |
54 |
|
|
/* None */ |
55 |
|
|
/* */ |
56 |
|
|
/* CALLS */ |
57 |
|
|
/* */ |
58 |
|
|
/* None */ |
59 |
|
|
/* */ |
60 |
|
|
/* CALLED BY */ |
61 |
|
|
/* */ |
62 |
|
|
/* Application Initialization */ |
63 |
|
|
/* */ |
64 |
|
|
/**************************************************************************/ |
65 |
|
315446405 |
VOID _fx_system_timer_entry(ULONG id) |
66 |
|
|
{ |
67 |
|
|
|
68 |
|
|
UINT second; |
69 |
|
|
UINT minute; |
70 |
|
|
UINT hour; |
71 |
|
|
UINT day; |
72 |
|
|
UINT month; |
73 |
|
|
UINT year; |
74 |
|
|
|
75 |
|
|
|
76 |
|
|
/* Determine if the ID is valid. */ |
77 |
✓✓ |
315446405 |
if (id == FX_TIMER_ID) |
78 |
|
|
{ |
79 |
|
|
|
80 |
|
|
/* Break the current date time into separate fields for easier work! */ |
81 |
|
315446404 |
second = (_fx_system_time & FX_SECOND_MASK) * 2; |
82 |
|
315446404 |
minute = (_fx_system_time >> FX_MINUTE_SHIFT) & FX_MINUTE_MASK; |
83 |
|
315446404 |
hour = (_fx_system_time >> FX_HOUR_SHIFT) & FX_HOUR_MASK; |
84 |
|
315446404 |
day = _fx_system_date & FX_DAY_MASK; |
85 |
|
315446404 |
month = (_fx_system_date >> FX_MONTH_SHIFT) & FX_MONTH_MASK; |
86 |
|
315446404 |
year = ((_fx_system_date >> FX_YEAR_SHIFT) & FX_YEAR_MASK) + FX_BASE_YEAR; |
87 |
|
|
|
88 |
|
|
/* Now apply the "second" update. */ |
89 |
|
315446404 |
second = second + FX_UPDATE_RATE_IN_SECONDS; |
90 |
|
|
|
91 |
|
|
/* Determine if we need to adjust the minute field. */ |
92 |
✓✓ |
315446404 |
if (second > FX_MAXIMUM_SECOND) |
93 |
|
|
{ |
94 |
|
|
|
95 |
|
|
/* Yes, we need to adjust the minute field. */ |
96 |
|
73936801 |
minute = minute + second / 60; |
97 |
|
73936801 |
second = second % 60; |
98 |
|
|
|
99 |
|
|
/* Determine if we need to adjust the hour field. */ |
100 |
✓✓ |
73936801 |
if (minute > FX_MAXIMUM_MINUTE) |
101 |
|
|
{ |
102 |
|
|
|
103 |
|
|
/* Yes, we need to adjust the hour field. */ |
104 |
|
26439913 |
hour = hour + minute / 60; |
105 |
|
26439913 |
minute = minute % 60; |
106 |
|
|
|
107 |
|
|
/* Determine if we need to adjust the day field. */ |
108 |
✓✓ |
26439913 |
if (hour > FX_MAXIMUM_HOUR) |
109 |
|
|
{ |
110 |
|
|
|
111 |
|
|
/* Yes, we need to adjust the day field. */ |
112 |
|
25668424 |
hour = 0; |
113 |
|
25668424 |
day++; |
114 |
|
|
|
115 |
|
|
/* Determine if we need to adjust the month field. */ |
116 |
✓✓✓✓
✓✓✓✓
✓✓✓✓
✓ |
25668424 |
switch (month) |
117 |
|
|
{ |
118 |
|
|
|
119 |
|
2821 |
case 1: /* January */ |
120 |
|
|
{ |
121 |
|
|
|
122 |
|
|
/* Check for end of the month. */ |
123 |
✓✓ |
2821 |
if (day > 31) |
124 |
|
|
{ |
125 |
|
|
|
126 |
|
|
/* Move to next month. */ |
127 |
|
91 |
day = 1; |
128 |
|
91 |
month++; |
129 |
|
|
} |
130 |
|
2821 |
break; |
131 |
|
|
} |
132 |
|
|
|
133 |
|
2571 |
case 2: /* February */ |
134 |
|
|
{ |
135 |
|
|
|
136 |
|
|
/* Check for leap year. We don't need to check for leap |
137 |
|
|
century her (century years divisible by 400) since 2000 |
138 |
|
|
is and this FAT format only supports years to 2107. */ |
139 |
✓✓ |
2571 |
if ((year % 4) == 0) |
140 |
|
|
{ |
141 |
|
|
|
142 |
|
|
/* Leap year in February... check for 29 days |
143 |
|
|
instead of 28. */ |
144 |
✓✓ |
639 |
if (day > 29) |
145 |
|
|
{ |
146 |
|
|
|
147 |
|
|
/* Adjust the month. */ |
148 |
|
23 |
day = 1; |
149 |
|
23 |
month++; |
150 |
|
|
} |
151 |
|
|
} |
152 |
|
|
else |
153 |
|
|
{ |
154 |
|
|
|
155 |
✓✓ |
1932 |
if (day > 28) |
156 |
|
|
{ |
157 |
|
|
|
158 |
|
|
/* Adjust the month. */ |
159 |
|
69 |
day = 1; |
160 |
|
69 |
month++; |
161 |
|
|
} |
162 |
|
|
} |
163 |
|
2571 |
break; |
164 |
|
|
} |
165 |
|
|
|
166 |
|
2852 |
case 3: /* March */ |
167 |
|
|
{ |
168 |
|
|
|
169 |
|
|
/* Check for end of the month. */ |
170 |
✓✓ |
2852 |
if (day > 31) |
171 |
|
|
{ |
172 |
|
|
|
173 |
|
|
/* Move to next month. */ |
174 |
|
92 |
day = 1; |
175 |
|
92 |
month++; |
176 |
|
|
} |
177 |
|
2852 |
break; |
178 |
|
|
} |
179 |
|
|
|
180 |
|
2760 |
case 4: /* April */ |
181 |
|
|
{ |
182 |
|
|
|
183 |
|
|
/* Check for end of the month. */ |
184 |
✓✓ |
2760 |
if (day > 30) |
185 |
|
|
{ |
186 |
|
|
|
187 |
|
|
/* Move to next month. */ |
188 |
|
92 |
day = 1; |
189 |
|
92 |
month++; |
190 |
|
|
} |
191 |
|
2760 |
break; |
192 |
|
|
} |
193 |
|
|
|
194 |
|
2852 |
case 5: /* May */ |
195 |
|
|
{ |
196 |
|
|
|
197 |
|
|
/* Check for end of the month. */ |
198 |
✓✓ |
2852 |
if (day > 31) |
199 |
|
|
{ |
200 |
|
|
|
201 |
|
|
/* Move to next month. */ |
202 |
|
92 |
day = 1; |
203 |
|
92 |
month++; |
204 |
|
|
} |
205 |
|
2852 |
break; |
206 |
|
|
} |
207 |
|
|
|
208 |
|
2760 |
case 6: /* June */ |
209 |
|
|
{ |
210 |
|
|
|
211 |
|
|
/* Check for end of the month. */ |
212 |
✓✓ |
2760 |
if (day > 30) |
213 |
|
|
{ |
214 |
|
|
|
215 |
|
|
/* Move to next month. */ |
216 |
|
92 |
day = 1; |
217 |
|
92 |
month++; |
218 |
|
|
} |
219 |
|
2760 |
break; |
220 |
|
|
} |
221 |
|
|
|
222 |
|
2852 |
case 7: /* July */ |
223 |
|
|
{ |
224 |
|
|
|
225 |
|
|
/* Check for end of the month. */ |
226 |
✓✓ |
2852 |
if (day > 31) |
227 |
|
|
{ |
228 |
|
|
|
229 |
|
|
/* Move to next month. */ |
230 |
|
92 |
day = 1; |
231 |
|
92 |
month++; |
232 |
|
|
} |
233 |
|
2852 |
break; |
234 |
|
|
} |
235 |
|
|
|
236 |
|
2852 |
case 8: /* August */ |
237 |
|
|
{ |
238 |
|
|
|
239 |
|
|
/* Check for end of the month. */ |
240 |
✓✓ |
2852 |
if (day > 31) |
241 |
|
|
{ |
242 |
|
|
|
243 |
|
|
/* Move to next month. */ |
244 |
|
92 |
day = 1; |
245 |
|
92 |
month++; |
246 |
|
|
} |
247 |
|
2852 |
break; |
248 |
|
|
} |
249 |
|
|
|
250 |
|
2760 |
case 9: /* September */ |
251 |
|
|
{ |
252 |
|
|
|
253 |
|
|
/* Check for end of the month. */ |
254 |
✓✓ |
2760 |
if (day > 30) |
255 |
|
|
{ |
256 |
|
|
|
257 |
|
|
/* Move to next month. */ |
258 |
|
92 |
day = 1; |
259 |
|
92 |
month++; |
260 |
|
|
} |
261 |
|
2760 |
break; |
262 |
|
|
} |
263 |
|
|
|
264 |
|
2852 |
case 10: /* October */ |
265 |
|
|
{ |
266 |
|
|
|
267 |
|
|
/* Check for end of the month. */ |
268 |
✓✓ |
2852 |
if (day > 31) |
269 |
|
|
{ |
270 |
|
|
|
271 |
|
|
/* Move to next month. */ |
272 |
|
92 |
day = 1; |
273 |
|
92 |
month++; |
274 |
|
|
} |
275 |
|
2852 |
break; |
276 |
|
|
} |
277 |
|
|
|
278 |
|
2760 |
case 11: /* November */ |
279 |
|
|
{ |
280 |
|
|
|
281 |
|
|
/* Check for end of the month. */ |
282 |
✓✓ |
2760 |
if (day > 30) |
283 |
|
|
{ |
284 |
|
|
|
285 |
|
|
/* Move to next month. */ |
286 |
|
92 |
day = 1; |
287 |
|
92 |
month++; |
288 |
|
|
} |
289 |
|
2760 |
break; |
290 |
|
|
} |
291 |
|
|
|
292 |
|
25551332 |
case 12: /* December */ |
293 |
|
|
{ |
294 |
|
|
|
295 |
|
|
/* Check for end of the month. */ |
296 |
✓✓ |
25551332 |
if (day > 31) |
297 |
|
|
{ |
298 |
|
|
|
299 |
|
|
/* Move to next month. */ |
300 |
|
25548572 |
day = 1; |
301 |
|
25548572 |
month = 1; |
302 |
|
|
|
303 |
|
|
/* Also move to next year. */ |
304 |
|
25548572 |
year++; |
305 |
|
|
|
306 |
|
|
/* Check for a year that exceeds the representation |
307 |
|
|
in this format. */ |
308 |
✓✓ |
25548572 |
if (year > FX_MAXIMUM_YEAR) |
309 |
|
|
{ |
310 |
|
25548481 |
return; |
311 |
|
|
} |
312 |
|
|
} |
313 |
|
2851 |
break; |
314 |
|
|
} |
315 |
|
|
|
316 |
|
86400 |
default: /* Invalid month! */ |
317 |
|
|
|
318 |
|
86400 |
return; /* Skip updating date/time! */ |
319 |
|
|
} |
320 |
|
|
} |
321 |
|
|
} |
322 |
|
|
} |
323 |
|
|
|
324 |
|
|
/* Now apply the new setting to the internal representation. */ |
325 |
|
|
|
326 |
|
|
/* Set the system date. */ |
327 |
|
289811523 |
_fx_system_date = ((year - FX_BASE_YEAR) << FX_YEAR_SHIFT) | |
328 |
|
289811523 |
(month << FX_MONTH_SHIFT) | day; |
329 |
|
|
|
330 |
|
|
/* Set the new system time. */ |
331 |
|
289811523 |
_fx_system_time = (hour << FX_HOUR_SHIFT) | |
332 |
|
289811523 |
(minute << FX_MINUTE_SHIFT) | (second / 2); |
333 |
|
|
} |
334 |
|
|
} |
335 |
|
|
|