alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-10-26 19:45:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

Power Management: add XTAL power domain to control whether external 40MHz xtal is powered down during sleep

Browse Source
This commit is contained in:
Li Shuai
2021-09-06 14:17:43 +08:00
parent 4f4254537c
commit aac59ed5ec
6 changed files with 17 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
components/esp_hw_support/port/esp32c3/rtc_sleep.c
View File

@@ -137,8 +137,8 @@ void rtc_sleep_init(rtc_sleep_config_t cfg)
REG_SET_FIELD(RTC_CNTL_SLP_REJECT_CONF_REG, RTC_CNTL_DEEP_SLP_REJECT_EN, cfg.deep_slp_reject);
REG_SET_FIELD(RTC_CNTL_SLP_REJECT_CONF_REG, RTC_CNTL_LIGHT_SLP_REJECT_EN, cfg.light_slp_reject);
/* gating XTAL clock */
REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_XTAL_GLOBAL_FORCE_NOGATING);
REG_SET_FIELD(RTC_CNTL_OPTIONS0_REG, RTC_CNTL_XTL_FORCE_PU, cfg.xtal_fpu);
REG_SET_FIELD(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_XTAL_GLOBAL_FORCE_NOGATING, cfg.xtal_fpu);
}
void rtc_sleep_low_init(uint32_t slowclk_period)