diff options
Diffstat (limited to 'os/hal/ports/SAMA')
| -rw-r--r-- | os/hal/ports/SAMA/LLD/RTCv1/hal_rtc_lld.c | 86 | ||||
| -rw-r--r-- | os/hal/ports/SAMA/LLD/RTCv1/hal_rtc_lld.h | 5 |
2 files changed, 89 insertions, 2 deletions
diff --git a/os/hal/ports/SAMA/LLD/RTCv1/hal_rtc_lld.c b/os/hal/ports/SAMA/LLD/RTCv1/hal_rtc_lld.c index e35df0fe9..e408cd77d 100644 --- a/os/hal/ports/SAMA/LLD/RTCv1/hal_rtc_lld.c +++ b/os/hal/ports/SAMA/LLD/RTCv1/hal_rtc_lld.c @@ -337,6 +337,8 @@ void rtc_lld_init(void) { /* Disable write protection */
// syscDisableWP();
+ RTCD0.rtc->RTC_IDR = RTC_IDR_ALRDIS | RTC_IDR_SECDIS;
+
/* Clear all status flag.*/
RTCD0.rtc->RTC_SCCR = 0x3F;
@@ -373,6 +375,7 @@ void rtc_lld_set_time(RTCDriver *rtcp, const RTCDateTime *timespec) { timr = rtc_encode_time(timespec);
calr = rtc_encode_date(timespec);
+ ver = rtcp->rtc->RTC_VER;
/* Disable write protection */
// syscDisableWP();
@@ -445,6 +448,85 @@ void rtc_lld_get_time(RTCDriver *rtcp, RTCDateTime *timespec) { }
/**
+ * @brief Get tamper time.
+ * @note The function can be called from any context.
+ *
+ * @param[in] rtcp pointer to RTC driver structure
+ * @param[in] reg number of register to return
+ * @param[out] timespec pointer to a @p RTCDateTime structure
+ *
+ * @note RTC_TSSR0 and RTC_TSDR cannot be overwritten, so once it has been written
+ * all data are stored until the registers are reset: these register are
+ * storing the first tamper occurrence after a read.
+ * RTC_TSSR0 and RTC_TSDR are overwritten each time a tamper event is detected.
+ *
+ */
+void rtcGetTamperTime(RTCDriver *rtcp, uint8_t reg, RTCDateTime *timespec) {
+ uint32_t calr, timr;
+ uint32_t subs = 0;
+
+ timr = rtcp->rtc->RTC_TS[reg].RTC_TSTR;
+ calr = rtcp->rtc->RTC_TS[reg].RTC_TSDR;
+
+ rtc_decode_time(timr, timespec);
+ timespec->millisecond += subs;
+
+ /* Decoding date, this concludes the atomic read sequence.*/
+ rtc_decode_date(calr, timespec);
+
+ /* Retrieving the DST bit.*/
+ timespec->dstflag = 0;
+}
+
+/**
+ * @brief Returns source of tamper register.
+ *
+ * @param[in] rtcp pointer to RTC driver structure
+ * @param[in] reg number of register source to return
+ *
+ * return content of RTC_SSRx register
+ *
+ * @note RTC_TSSR0 cannot be overwritten, so once it has been written
+ * all data are stored until the registers are reset: that register is
+ * storing the first tamper occurrence after a read.
+ * RTC_TSSR1 is overwritten each time a tamper event is detected.
+ *
+ */
+uint32_t rtcGetTamperSource(RTCDriver *rtcp, uint8_t reg) {
+ return ((rtcp)->rtc->RTC_TS[reg].RTC_TSSR);
+}
+
+/**
+ * @brief Returns numbers of total tamper events.
+ *
+ * @param[in] rtcp pointer to RTC driver structure
+ *
+ * return numbers of total tamper events.
+ */
+uint32_t rtcGetTamperEventCounter(RTCDriver *rtcp) {
+ return ((rtcp)->rtc->RTC_TS[0].RTC_TSTR & RTC_TSTR_TEVCNT_Msk) >> RTC_TSTR_TEVCNT_Pos;
+}
+
+/**
+ * @brief Returns backup or normal mode of tamper event.
+ *
+ * @param[in] rtcp pointer to RTC driver structure
+ * @param[in] reg number of register source to return
+ *
+ * @return 0x1 if system is in backup mode when tamper events occurs
+ * 0x0 if system is not in backup mode when tamper events occurs
+ *
+ * @note RTC_TSTR0 cannot be overwritten, so once it has been written
+ * all data are stored until the registers are reset: that register is
+ * storing the first tamper occurrence after a read.
+ * RTC_TSTR1 is overwritten each time a tamper event is detected.
+ *
+ */
+uint8_t rtcGetTamperMode(RTCDriver *rtcp, uint8_t reg) {
+ return (rtcp)->rtc->RTC_TS[reg].RTC_TSTR & RTC_TSTR_BACKUP ? 0x1u : 0x0u;
+}
+
+/**
* @brief Set alarm time.
* @note The function can be called from any context.
*
@@ -535,8 +617,8 @@ void rtc_lld_set_callback(RTCDriver *rtcp, rtccb_t callback) { /* IRQ sources enabled only after setting up the callback.*/
rtcp->callback = callback;
- rtcp->rtc->RTC_SCCR &= ~(RTC_SCCR_ALRCLR | RTC_SCCR_SECCLR | RTC_SCCR_TIMCLR |
- RTC_SCCR_CALCLR | RTC_SCCR_TDERRCLR);
+ rtcp->rtc->RTC_SCCR = RTC_SCCR_ALRCLR | RTC_SCCR_SECCLR | RTC_SCCR_TIMCLR |
+ RTC_SCCR_CALCLR | RTC_SCCR_TDERRCLR;
rtcp->rtc->RTC_IER = RTC_IER_ALREN | RTC_IER_SECEN;
}
else {
diff --git a/os/hal/ports/SAMA/LLD/RTCv1/hal_rtc_lld.h b/os/hal/ports/SAMA/LLD/RTCv1/hal_rtc_lld.h index 25a5b6883..a5d4b8918 100644 --- a/os/hal/ports/SAMA/LLD/RTCv1/hal_rtc_lld.h +++ b/os/hal/ports/SAMA/LLD/RTCv1/hal_rtc_lld.h @@ -202,6 +202,11 @@ extern "C" { rtcalarm_t alarm,
RTCAlarm *alarmspec);
void rtc_lld_set_callback(RTCDriver *rtcp, rtccb_t callback);
+ /* Driver specific */
+ void rtcGetTamperTime(RTCDriver *rtcp, uint8_t reg, RTCDateTime *timespec);
+ uint32_t rtcGetTamperSource(RTCDriver *rtcp, uint8_t reg);
+ uint32_t rtcGetTamperEventCounter(RTCDriver *rtcp);
+ uint8_t rtcGetTamperMode(RTCDriver *rtcp, uint8_t reg);
#ifdef __cplusplus
}
#endif
|