Go to the documentation of this file.00001
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00083 #include "chip.h"
00084
00085 #include <stdint.h>
00086 #include <assert.h>
00087
00088
00089
00090
00091
00092
00093
00094
00095
00096
00097 extern void RTC_SetHourMode(Rtc *pRtc, uint32_t dwMode)
00098 {
00099 assert((dwMode & 0xFFFFFFFE) == 0);
00100
00101 pRtc->RTC_MR = dwMode;
00102 }
00103
00104
00105
00106
00107
00108
00109 extern uint32_t RTC_GetHourMode(Rtc *pRtc)
00110 {
00111 uint32_t dwMode;
00112
00113 TRACE_DEBUG("RTC_SetHourMode()\n\r");
00114
00115 dwMode = pRtc->RTC_MR;
00116 dwMode &= 0xFFFFFFFE;
00117
00118 return dwMode;
00119 }
00120
00121
00122
00123
00124
00125
00126 extern void RTC_EnableIt(Rtc *pRtc, uint32_t dwSources)
00127 {
00128 assert((dwSources & (uint32_t)(~0x1F)) == 0);
00129
00130 TRACE_DEBUG("RTC_EnableIt()\n\r");
00131
00132 pRtc->RTC_IER = dwSources;
00133 }
00134
00135
00136
00137
00138
00139
00140 extern void RTC_DisableIt(Rtc *pRtc, uint32_t dwSources)
00141 {
00142 assert((dwSources & (uint32_t)(~0x1F)) == 0);
00143
00144 TRACE_DEBUG("RTC_DisableIt()\n\r");
00145
00146 pRtc->RTC_IDR = dwSources;
00147 }
00148
00149
00150
00151
00152
00153
00154
00155
00156
00157
00158
00159
00160
00161
00162 extern int RTC_SetTime(Rtc *pRtc, uint8_t ucHour, uint8_t ucMinute,
00163 uint8_t ucSecond)
00164 {
00165 uint32_t dwTime = 0;
00166 uint8_t ucHour_bcd;
00167 uint8_t ucMin_bcd;
00168 uint8_t ucSec_bcd;
00169
00170 TRACE_DEBUG("RTC_SetTime(%02d:%02d:%02d)\n\r", ucHour, ucMinute, ucSecond);
00171
00172
00173 if ((pRtc->RTC_MR & RTC_MR_HRMOD) == RTC_MR_HRMOD) {
00174 if (ucHour > 12) {
00175 ucHour -= 12;
00176 dwTime |= RTC_TIMR_AMPM;
00177 }
00178 }
00179
00180 ucHour_bcd = (ucHour % 10) | ((ucHour / 10) << 4);
00181 ucMin_bcd = (ucMinute % 10) | ((ucMinute / 10) << 4);
00182 ucSec_bcd = (ucSecond % 10) | ((ucSecond / 10) << 4);
00183
00184
00185 if ((ucHour_bcd & (uint8_t)(~RTC_HOUR_BIT_LEN_MASK)) |
00186 (ucMin_bcd & (uint8_t)(~RTC_MIN_BIT_LEN_MASK)) |
00187 (ucSec_bcd & (uint8_t)(~RTC_SEC_BIT_LEN_MASK)))
00188 return 1;
00189
00190 dwTime = ucSec_bcd | (ucMin_bcd << 8) | (ucHour_bcd << 16);
00191
00192 pRtc->RTC_CR |= RTC_CR_UPDTIM;
00193
00194 while ((pRtc->RTC_SR & RTC_SR_ACKUPD) != RTC_SR_ACKUPD);
00195
00196 pRtc->RTC_SCCR = RTC_SCCR_ACKCLR;
00197 pRtc->RTC_TIMR = dwTime;
00198 pRtc->RTC_CR &= (uint32_t)(~RTC_CR_UPDTIM);
00199 pRtc->RTC_SCCR |= RTC_SCCR_SECCLR;
00200
00201 return (int)(pRtc->RTC_VER & RTC_VER_NVTIM);
00202 }
00203
00204
00205
00206
00207
00208
00209
00210
00211 extern void RTC_GetTime(Rtc *pRtc, uint8_t *pucHour,
00212 uint8_t *pucMinute, uint8_t *pucSecond)
00213 {
00214 uint32_t dwTime;
00215
00216 TRACE_DEBUG("RTC_GetTime()\n\r");
00217
00218
00219 dwTime = pRtc->RTC_TIMR;
00220
00221 while (dwTime != pRtc->RTC_TIMR)
00222 dwTime = pRtc->RTC_TIMR;
00223
00224
00225 if (pucHour) {
00226 *pucHour = ((dwTime & 0x00300000) >> 20) * 10
00227 + ((dwTime & 0x000F0000) >> 16);
00228
00229 if ((dwTime & RTC_TIMR_AMPM) == RTC_TIMR_AMPM)
00230 *pucHour += 12;
00231 }
00232
00233
00234 if (pucMinute) {
00235 *pucMinute = ((dwTime & 0x00007000) >> 12) * 10
00236 + ((dwTime & 0x00000F00) >> 8);
00237 }
00238
00239
00240 if (pucSecond) {
00241 *pucSecond = ((dwTime & 0x00000070) >> 4) * 10
00242 + (dwTime & 0x0000000F);
00243 }
00244 }
00245
00246
00247
00248
00249
00250
00251
00252
00253
00254
00255
00256
00257
00258
00259
00260 extern int RTC_SetTimeAlarm(Rtc *pRtc, uint8_t *pucHour,
00261 uint8_t *pucMinute, uint8_t *pucSecond)
00262 {
00263 uint32_t dwAlarm = 0;
00264
00265 TRACE_DEBUG("RTC_SetTimeAlarm()\n\r");
00266
00267
00268 if (pucHour)
00269 dwAlarm |= RTC_TIMALR_HOUREN | ((*pucHour / 10) << 20) | ((
00270 *pucHour % 10) << 16);
00271
00272
00273 if (pucMinute) {
00274 dwAlarm |= RTC_TIMALR_MINEN | ((*pucMinute / 10) << 12)
00275 | ((*pucMinute % 10) << 8);
00276 }
00277
00278
00279 if (pucSecond)
00280 dwAlarm |= RTC_TIMALR_SECEN | ((*pucSecond / 10) << 4) | (*pucSecond % 10);
00281
00282 pRtc->RTC_TIMALR = dwAlarm;
00283
00284 return (int)(pRtc->RTC_VER & RTC_VER_NVTIMALR);
00285 }
00286
00287
00288
00289
00290
00291
00292
00293
00294
00295
00296 extern void RTC_GetDate(Rtc *pRtc, uint16_t *pwYear, uint8_t *pucMonth,
00297 uint8_t *pucDay, uint8_t *pucWeek)
00298 {
00299 uint32_t dwDate;
00300
00301
00302 do {
00303 dwDate = pRtc->RTC_CALR;
00304 } while (dwDate != pRtc->RTC_CALR);
00305
00306
00307 if (pwYear) {
00308 *pwYear = (((dwDate >> 4) & 0x7) * 1000)
00309 + ((dwDate & 0xF) * 100)
00310 + (((dwDate >> 12) & 0xF) * 10)
00311 + ((dwDate >> 8) & 0xF);
00312 }
00313
00314
00315 if (pucMonth)
00316 *pucMonth = (((dwDate >> 20) & 1) * 10) + ((dwDate >> 16) & 0xF);
00317
00318
00319 if (pucDay)
00320 *pucDay = (((dwDate >> 28) & 0x3) * 10) + ((dwDate >> 24) & 0xF);
00321
00322
00323 if (pucWeek)
00324 *pucWeek = ((dwDate >> 21) & 0x7);
00325 }
00326
00327
00328
00329
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00331
00332
00333
00334
00335
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00338
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00340
00341
00342 extern int RTC_SetDate(Rtc *pRtc, uint16_t wYear, uint8_t ucMonth,
00343 uint8_t ucDay, uint8_t ucWeek)
00344 {
00345 uint32_t wDate;
00346 uint8_t ucCent_bcd;
00347 uint8_t ucYear_bcd;
00348 uint8_t ucMonth_bcd;
00349 uint8_t ucDay_bcd;
00350 uint8_t ucWeek_bcd;
00351
00352 ucCent_bcd = ((wYear / 100) % 10) | ((wYear / 1000) << 4);
00353 ucYear_bcd = (wYear % 10) | (((wYear / 10) % 10) << 4);
00354 ucMonth_bcd = ((ucMonth % 10) | (ucMonth / 10) << 4);
00355 ucDay_bcd = ((ucDay % 10) | (ucDay / 10) << 4);
00356 ucWeek_bcd = ((ucWeek % 10) | (ucWeek / 10) << 4);
00357
00358
00359 if ((ucCent_bcd & (uint8_t)(~RTC_CENT_BIT_LEN_MASK)) |
00360 (ucYear_bcd & (uint8_t)(~RTC_YEAR_BIT_LEN_MASK)) |
00361 (ucMonth_bcd & (uint8_t)(~RTC_MONTH_BIT_LEN_MASK)) |
00362 (ucWeek_bcd & (uint8_t)(~RTC_WEEK_BIT_LEN_MASK)) |
00363 (ucDay_bcd & (uint8_t)(~RTC_DATE_BIT_LEN_MASK))
00364 )
00365 return 1;
00366
00367
00368
00369 wDate = ucCent_bcd |
00370 (ucYear_bcd << 8) |
00371 (ucMonth_bcd << 16) |
00372 (ucWeek_bcd << 21) |
00373 (ucDay_bcd << 24);
00374
00375
00376 pRtc->RTC_CR |= RTC_CR_UPDCAL;
00377
00378 while ((pRtc->RTC_SR & RTC_SR_ACKUPD) != RTC_SR_ACKUPD);
00379
00380 pRtc->RTC_SCCR = RTC_SCCR_ACKCLR;
00381 pRtc->RTC_CALR = wDate;
00382 pRtc->RTC_CR &= (uint32_t)(~RTC_CR_UPDCAL);
00383 pRtc->RTC_SCCR |= RTC_SCCR_SECCLR;
00384
00385 return (int)(pRtc->RTC_VER & RTC_VER_NVCAL);
00386 }
00387
00388
00389
00390
00391
00392
00393
00394
00395
00396
00397
00398 extern int RTC_SetDateAlarm(Rtc *pRtc, uint8_t *pucMonth, uint8_t *pucDay)
00399 {
00400 uint32_t dwAlarm;
00401
00402 dwAlarm = ((pucMonth) || (pucDay)) ? (0) : (0x01010000);
00403
00404 TRACE_DEBUG("RTC_SetDateAlarm()\n\r");
00405
00406
00407 if (pucMonth) {
00408 dwAlarm |= RTC_CALALR_MTHEN | ((*pucMonth / 10) << 20)
00409 | ((*pucMonth % 10) << 16);
00410 }
00411
00412 if (pucDay) {
00413 dwAlarm |= RTC_CALALR_DATEEN | ((*pucDay / 10) << 28)
00414 | ((*pucDay % 10) << 24);
00415 }
00416
00417
00418 pRtc->RTC_CALALR = dwAlarm;
00419
00420 return (int)(pRtc->RTC_VER & RTC_VER_NVCALALR);
00421 }
00422
00423
00424
00425
00426
00427
00428 extern void RTC_ClearSCCR(Rtc *pRtc, uint32_t dwMask)
00429 {
00430
00431 dwMask &= RTC_SCCR_ACKCLR | RTC_SCCR_ALRCLR | RTC_SCCR_SECCLR
00432 | RTC_SCCR_TIMCLR | RTC_SCCR_CALCLR;
00433
00434 pRtc->RTC_SCCR = dwMask;
00435 }
00436
00437
00438
00439
00440
00441
00442
00443
00444 extern uint32_t RTC_GetSR(Rtc *pRtc, uint32_t dwMask)
00445 {
00446 uint32_t dwEvent;
00447
00448 dwEvent = pRtc->RTC_SR;
00449
00450 return (dwEvent & dwMask);
00451 }
00452