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soc/rtc: restore dbg attenuation when waking from sleep

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This fixes inability to enter deep sleep after waking up from light sleep
This commit is contained in:
Ivan Grokhotkov
2018-04-04 15:05:16 +08:00
parent d38b22b11b
commit ac623a9756
3 changed files with 5 additions and 2 deletions
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2
components/soc/esp32/rtc_init.c
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@@ -30,7 +30,7 @@ void rtc_init(rtc_config_t cfg)
REG_SET_FIELD(RTC_CNTL_TIMER1_REG, RTC_CNTL_XTL_BUF_WAIT, cfg.xtal_wait);
REG_SET_FIELD(RTC_CNTL_TIMER1_REG, RTC_CNTL_CK8M_WAIT, cfg.ck8m_wait);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN, 0x3);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN, RTC_CNTL_DBG_ATTEN_DEFAULT);
SET_PERI_REG_MASK(RTC_CNTL_BIAS_CONF_REG,
RTC_CNTL_DEC_HEARTBEAT_WIDTH | RTC_CNTL_INC_HEARTBEAT_PERIOD);