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-rw-r--r--os/hal/ports/STM32/LLD/RTCv2/hal_rtc_lld.c13
-rw-r--r--readme.txt2
2 files changed, 12 insertions, 3 deletions
diff --git a/os/hal/ports/STM32/LLD/RTCv2/hal_rtc_lld.c b/os/hal/ports/STM32/LLD/RTCv2/hal_rtc_lld.c
index 824daa9e7..6d44570f1 100644
--- a/os/hal/ports/STM32/LLD/RTCv2/hal_rtc_lld.c
+++ b/os/hal/ports/STM32/LLD/RTCv2/hal_rtc_lld.c
@@ -50,6 +50,8 @@
#define RTC_DR_DT_OFFSET 4
#define RTC_DR_DU_OFFSET 0
+#define RTC_CR_BKP_OFFSET 18
+
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
@@ -343,8 +345,9 @@ void rtc_lld_set_time(RTCDriver *rtcp, const RTCDateTime *timespec) {
/* Writing the registers.*/
rtc_enter_init();
- rtcp->rtc->TR = tr;
- rtcp->rtc->DR = dr;
+ rtcp->rtc->TR = tr;
+ rtcp->rtc->DR = dr;
+ rtcp->rtc->CR |= timespec->dstflag << RTC_CR_BKP_OFFSET;
rtc_exit_init();
/* Leaving a reentrant critical zone.*/
@@ -361,7 +364,7 @@ void rtc_lld_set_time(RTCDriver *rtcp, const RTCDateTime *timespec) {
* @notapi
*/
void rtc_lld_get_time(RTCDriver *rtcp, RTCDateTime *timespec) {
- uint32_t dr, tr;
+ uint32_t dr, tr, cr;
uint32_t subs;
#if STM32_RTC_HAS_SUBSECONDS
uint32_t ssr;
@@ -380,6 +383,7 @@ void rtc_lld_get_time(RTCDriver *rtcp, RTCDateTime *timespec) {
#endif /* STM32_RTC_HAS_SUBSECONDS */
tr = rtcp->rtc->TR;
dr = rtcp->rtc->DR;
+ cr = rtcp->rtc->CR;
rtcp->rtc->ISR &= ~RTC_ISR_RSF;
/* Leaving a reentrant critical zone.*/
@@ -400,6 +404,9 @@ void rtc_lld_get_time(RTCDriver *rtcp, RTCDateTime *timespec) {
/* Decoding date, this concludes the atomic read sequence.*/
rtc_decode_date(dr, timespec);
+
+ /* Retrieving the DST bit.*/
+ timespec->dstflag = (cr >> RTC_CR_BKP_OFFSET) & 1;
}
#if (RTC_ALARMS > 0) || defined(__DOXYGEN__)
diff --git a/readme.txt b/readme.txt
index 62d91313c..cd12484e9 100644
--- a/readme.txt
+++ b/readme.txt
@@ -150,6 +150,8 @@
- RT: Merged RT4.
- NIL: Merged NIL2.
- NIL: Added STM32F7 demo.
+- HAL: Fixed STM32 RTCv2 driver does not handle the DST bit (bug #799)
+ (backported to 16.1.6).
- HAL: Fixed MAC driver broken on STM32F107 (bug #798)(backported to 16.1.6).
- VAR: Fixed missing const qualifier in local shell commands array (bug #797)
(backported to 16.1.6, 3.0.6, 2.6.10).
ref='#n144'>144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434