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esp32c2: support rtc time feature depend on rtc memory, since c2 does not have rtc memory

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This commit is contained in:
jingli
2022-07-13 21:10:17 +08:00
parent fb1902773f
commit f8cc2ec86d
7 changed files with 80 additions and 108 deletions
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21
components/hal/esp32c2/include/hal/clk_tree_ll.h
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@@ -600,6 +600,27 @@ static inline uint32_t clk_ll_rtc_slow_load_cal(void)
return REG_READ(RTC_SLOW_CLK_CAL_REG);
}
/**
* @brief Store rtc_fix_us in RTC storage register
*
* @param rtc_fix_us The value used to correct the time obtained from the rtc timer when the calibration value changes
*/
static inline void clk_ll_rtc_slow_store_rtc_fix_us(uint64_t rtc_fix_us)
{
REG_WRITE(RTC_FIX_US_LOW_REG, rtc_fix_us);
REG_WRITE(RTC_FIX_US_HIGH_REG, rtc_fix_us >> 32);
}
/**
* @brief Load the rtc_fix_ticks from RTC storage register
*
* @return The value used to correct the time obtained from the rtc timer when the calibration value changes
*/
static inline uint64_t clk_ll_rtc_slow_load_rtc_fix_us(void)
{
return REG_READ(RTC_FIX_US_LOW_REG) | ((uint64_t)REG_READ(RTC_FIX_US_HIGH_REG) << 32);
}
#ifdef __cplusplus
}
#endif