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authorGiovanni Di Sirio <gdisirio@gmail.com>2018-11-18 11:36:01 +0000
committerGiovanni Di Sirio <gdisirio@gmail.com>2018-11-18 11:36:01 +0000
commit9913d1b6ffb81eccdc2c28ae9041872237195856 (patch)
tree8bce3b60e49b7e1281efec99c3c582b06f2be029 /os/hal/ports/STM32/LLD/RTCv2/hal_rtc_lld.c
parent7c77845aa765b51b4026749bc4439bb100cc722a (diff)
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Changes to RTCv2 driver, not finished yet.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12433 110e8d01-0319-4d1e-a829-52ad28d1bb01
Diffstat (limited to 'os/hal/ports/STM32/LLD/RTCv2/hal_rtc_lld.c')
-rw-r--r--os/hal/ports/STM32/LLD/RTCv2/hal_rtc_lld.c234
1 files changed, 232 insertions, 2 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 19ed93e14..b5798bc80 100644
--- a/os/hal/ports/STM32/LLD/RTCv2/hal_rtc_lld.c
+++ b/os/hal/ports/STM32/LLD/RTCv2/hal_rtc_lld.c
@@ -235,6 +235,207 @@ struct RTCDriverVMT _rtc_lld_vmt = {
/* Driver interrupt handlers. */
/*===========================================================================*/
+#if defined(STM32_RTC_COMMON_HANDLER)
+#if !defined(STM32_RTC_SUPPRESS_COMMON_ISR)
+/**
+ * @brief RTC common interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(STM32_RTC_COMMON_HANDLER) {
+ uint32_t isr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ isr = RTCD1.rtc->ISR;
+ RTCD1.rtc->ISR = 0U;
+
+ if (RTCD1.callback != NULL) {
+ if ((isr & RTC_ISR_WUTF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_WAKEUP);
+ }
+#if defined(RTC_ISR_ALRAF)
+ if ((isr & RTC_ISR_ALRAF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_ALARM_A);
+ }
+#endif
+#if defined(RTC_ISR_ALRBF)
+ if ((isr & RTC_ISR_ALRBF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_ALARM_B);
+ }
+#endif
+#if defined(RTC_ISR_ITSF)
+ if ((isr & RTC_ISR_ITSF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_ITS);
+ }
+#endif
+#if defined(RTC_ISR_TSF)
+ if ((isr & RTC_ISR_TSF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_TS);
+ }
+#endif
+#if defined(RTC_ISR_TSOVF)
+ if ((isr & RTC_ISR_TSOVF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_TS_OVF);
+ }
+#endif
+#if defined(RTC_ISR_TAMP1F)
+ if ((isr & RTC_ISR_TAMP1F) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_TAMP1);
+ }
+#endif
+#if defined(RTC_ISR_TAMP2F)
+ if ((isr & RTC_ISR_TAMP2F) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_TAMP2);
+ }
+#endif
+#if defined(RTC_ISR_TAMP3F)
+ if ((isr & RTC_ISR_TAMP3F) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_TAMP3);
+ }
+#endif
+ }
+
+ OSAL_IRQ_EPILOGUE();
+}
+#endif /* !defined(STM32_RTC_SUPPRESS_COMMON_ISR) */
+
+#elif defined(STM32_RTC_TAMP_STAMP_HANDLER) && \
+ defined(STM32_RTC_WKUP_HANDLER) && \
+ defined(STM32_RTC_ALARM_HANDLER)
+/**
+ * @brief RTC TAMP/STAMP interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(STM32_RTC_TAMP_STAMP_HANDLER) {
+ uint32_t isr, clear;
+
+ OSAL_IRQ_PROLOGUE();
+
+ clear = ~(0U
+#if defined(RTC_ISR_ITSF)
+ | RTC_ISR_ITSF
+#endif
+#if defined(RTC_ISR_TSF)
+ | RTC_ISR_TSF
+#endif
+#if defined(RTC_ISR_TSOVF)
+ | RTC_ISR_TSOVF
+#endif
+#if defined(RTC_ISR_TAMP1F)
+ | RTC_ISR_TAMP1F
+#endif
+#if defined(RTC_ISR_TAMP2F)
+ | RTC_ISR_TAMP2F
+#endif
+#if defined(RTC_ISR_TAMP3F)
+ | RTC_ISR_TAMP3F
+#endif
+ );
+
+ isr = RTCD1.rtc->ISR;
+ RTCD1.rtc->ISR = clear;
+
+ if (RTCD1.callback != NULL) {
+#if defined(RTC_ISR_ITSF)
+ if ((isr & RTC_ISR_ITSF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_ITS);
+ }
+#endif
+#if defined(RTC_ISR_TSF)
+ if ((isr & RTC_ISR_TSF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_TS);
+ }
+#endif
+#if defined(RTC_ISR_TSOVF)
+ if ((isr & RTC_ISR_TSOVF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_TS_OVF);
+ }
+#endif
+#if defined(RTC_ISR_TAMP1F)
+ if ((isr & RTC_ISR_TAMP1F) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_TAMP1);
+ }
+#endif
+#if defined(RTC_ISR_TAMP2F)
+ if ((isr & RTC_ISR_TAMP2F) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_TAMP2);
+ }
+#endif
+#if defined(RTC_ISR_TAMP3F)
+ if ((isr & RTC_ISR_TAMP3F) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_TAMP3);
+ }
+#endif
+ }
+
+ OSAL_IRQ_EPILOGUE();
+}
+/**
+ * @brief RTC wakeup interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(STM32_RTC_WKUP_HANDLER) {
+ uint32_t isr;
+
+ OSAL_IRQ_PROLOGUE();
+
+ isr = RTCD1.rtc->ISR;
+ RTCD1.rtc->ISR = ~RTC_ISR_WUTF;
+
+ if (RTCD1.callback != NULL) {
+ if ((isr & RTC_ISR_WUTF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_WAKEUP);
+ }
+ }
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief RTC alarm interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(STM32_RTC_ALARM_HANDLER) {
+ uint32_t isr, clear;
+
+ OSAL_IRQ_PROLOGUE();
+
+ clear = ~(0U
+#if defined(RTC_ISR_ALRAF)
+ | RTC_ISR_ALRAF
+#endif
+#if defined(RTC_ISR_ALRBF)
+ | RTC_ISR_ALRBF
+#endif
+ );
+
+ isr = RTCD1.rtc->ISR;
+ RTCD1.rtc->ISR = clear;
+
+ if (RTCD1.callback != NULL) {
+#if defined(RTC_ISR_ALRAF)
+ if ((isr & RTC_ISR_ALRAF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_ALARM_A);
+ }
+#endif
+#if defined(RTC_ISR_ALRBF)
+ if ((isr & RTC_ISR_ALRBF) != 0U) {
+ RTCD1.callback(&RTCD1, RTC_EVENT_ALARM_B);
+ }
+#endif
+ }
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+#else
+#error "missing required RTC handlers definitions in registry"
+#endif
+
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
@@ -262,15 +463,28 @@ void rtc_lld_init(void) {
rtc_enter_init();
- RTCD1.rtc->CR = 0;
+ RTCD1.rtc->CR = STM32_RTC_CR_INIT;
RTCD1.rtc->ISR = RTC_ISR_INIT; /* Clearing all but RTC_ISR_INIT. */
RTCD1.rtc->PRER = STM32_RTC_PRER_BITS;
RTCD1.rtc->PRER = STM32_RTC_PRER_BITS;
rtc_exit_init();
}
- else
+ else {
RTCD1.rtc->ISR &= ~RTC_ISR_RSF;
+ }
+
+ /* Callback initially disabled.*/
+ RTCD1.callback = NULL;
+
+ /* Enabling RTC-related EXTI lines.*/
+ extiEnableGroup1(EXTI_MASK1(STM32_RTC_ALARM_EXTI) |
+ EXTI_MASK1(STM32_RTC_TAMP_STAMP_EXTI) |
+ EXTI_MASK1(STM32_RTC_WKUP_EXTI),
+ EXTI_MODE_RISING_EDGE | EXTI_MODE_ACTION_INTERRUPT);
+
+ /* IRQ vectors permanently assigned to this driver.*/
+ STM32_RTC_IRQ_ENABLE();
}
/**
@@ -440,6 +654,22 @@ void rtc_lld_get_alarm(RTCDriver *rtcp,
}
#endif /* RTC_ALARMS > 0 */
+/**
+ * @brief Enables or disables RTC callbacks.
+ * @details This function enables or disables callbacks, use a @p NULL pointer
+ * in order to disable a callback.
+ * @note The function can be called from any context.
+ *
+ * @param[in] rtcp pointer to RTC driver structure
+ * @param[in] callback callback function pointer or @p NULL
+ *
+ * @notapi
+ */
+void rtc_lld_set_callback(RTCDriver *rtcp, rtccb_t callback) {
+
+ rtcp->callback = callback;
+}
+
#if STM32_RTC_HAS_PERIODIC_WAKEUPS || defined(__DOXYGEN__)
/**
* @brief Sets time of periodic wakeup.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 01:32:19 +0000