kopia lustrzana https://github.com/espressif/esp-idf
driver(Ledc): fix the bug that ledc low-sleep channel can not work when chip in light-sleep mode
`esp_light_sleep_start` will disable the RTC8M_CLK, which will cause the LEDC low-speed channel to not work in light-sleep modepull/5452/head
rodzic
b52ed2d2a5
commit
73384adfbe
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@ -201,6 +201,11 @@ void rtc_sleep_init(rtc_sleep_config_t cfg)
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} else {
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REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU);
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}
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//Keep the RTC8M_CLK on in light_sleep mode if the ledc low-speed channel is clocked by RTC8M_CLK.
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if (!cfg.deep_slp && GET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_CLK8M_EN_M)) {
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REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PD);
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REG_SET_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU);
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}
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/* enable VDDSDIO control by state machine */
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REG_CLR_BIT(RTC_CNTL_SDIO_CONF_REG, RTC_CNTL_SDIO_FORCE);
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