alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-11-04 14:14:11 +00:00
Code Issues Packages Projects Releases Wiki Activity

Power Management: fix the issue of sleeping time error beacause external 32kHz xtal does not exist

Browse Source
This commit is contained in:
xiongweichao
2022-08-08 10:43:20 +08:00
parent 23e8e497da
commit cfc5576b0d
1 changed files with 9 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
components/esp_system/sleep_modes.c
View File

@@ -727,8 +727,15 @@ esp_err_t esp_light_sleep_start(void)
// Re-calibrate the RTC Timer clock // Re-calibrate the RTC Timer clock
#if defined(CONFIG_ESP32_RTC_CLK_SRC_EXT_CRYS) || defined(CONFIG_ESP32S2_RTC_CLK_SRC_EXT_CRYS) || defined(CONFIG_ESP32C3_RTC_CLK_SRC_EXT_CRYS) #if defined(CONFIG_ESP32_RTC_CLK_SRC_EXT_CRYS) || defined(CONFIG_ESP32S2_RTC_CLK_SRC_EXT_CRYS) || defined(CONFIG_ESP32C3_RTC_CLK_SRC_EXT_CRYS)
if (rtc_clk_slow_freq_get() == RTC_SLOW_FREQ_32K_XTAL) {
uint64_t time_per_us = 1000000ULL; uint64_t time_per_us = 1000000ULL;
s_config.rtc_clk_cal_period = (time_per_us << RTC_CLK_CAL_FRACT) / rtc_clk_slow_freq_get_hz(); s_config.rtc_clk_cal_period = (time_per_us << RTC_CLK_CAL_FRACT) / rtc_clk_slow_freq_get_hz();
} else {
// If the external 32 kHz XTAL does not exist, use the internal 150 kHz RC oscillator
// as the RTC slow clock source.
s_config.rtc_clk_cal_period = rtc_clk_cal(RTC_CAL_RTC_MUX, RTC_CLK_SRC_CAL_CYCLES);
esp_clk_slowclk_cal_set(s_config.rtc_clk_cal_period);
}
#elif defined(CONFIG_ESP32S2_RTC_CLK_SRC_INT_RC) #elif defined(CONFIG_ESP32S2_RTC_CLK_SRC_INT_RC)
s_config.rtc_clk_cal_period = rtc_clk_cal_cycling(RTC_CAL_RTC_MUX, RTC_CLK_SRC_CAL_CYCLES); s_config.rtc_clk_cal_period = rtc_clk_cal_cycling(RTC_CAL_RTC_MUX, RTC_CLK_SRC_CAL_CYCLES);
esp_clk_slowclk_cal_set(s_config.rtc_clk_cal_period); esp_clk_slowclk_cal_set(s_config.rtc_clk_cal_period);