diff options
Diffstat (limited to 'rtc/stm32_rtc.h')
| -rw-r--r-- | rtc/stm32_rtc.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/rtc/stm32_rtc.h b/rtc/stm32_rtc.h new file mode 100644 index 0000000..bc78128 --- /dev/null +++ b/rtc/stm32_rtc.h @@ -0,0 +1,44 @@ +#pragma once + +#include <mmio/mmio.h> + +struct STM32_RTC_reg_v2ss_t { + volatile uint32_t TR; + volatile uint32_t DR; + volatile uint32_t CR; + volatile uint32_t ISR; + volatile uint32_t PRER; + volatile uint32_t WUTR; + uint32_t _reserved1; + volatile uint32_t ALRMAR; + volatile uint32_t ALRMBR; + volatile uint32_t WPR; + volatile uint32_t SSR; + volatile uint32_t SHIFTR; + volatile uint32_t TSTR; + volatile uint32_t TSDR; + volatile uint32_t TSSSR; + volatile uint32_t CALR; + volatile uint32_t TAMPCR; + volatile uint32_t ALRMASSR; + volatile uint32_t ALRMBSSR; + volatile uint32_t OR; + volatile uint32_t BKP[32]; /* max known 32, might be less, check DS */ +}; + +template <typename T> +class STM32_RTC_t : public mmio_ptr<T> { + public: + using mmio_ptr<T>::ptr; + + void lock(void) const { + ptr()->WPR = 0x99; // Doesn't matter... + } + + void unlock(void) const { + ptr()->WPR = 0xCA; + ptr()->WPR = 0x53; + } + +}; + |