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reduce bootup time when using usb-serial-jtag

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jingli
2021-12-03 21:01:02 +08:00
parent 37634f09b2
commit 417711c390
1 changed files with 5 additions and 0 deletions
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5
components/soc/src/esp32s2/rtc_time.c
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@@ -64,6 +64,11 @@ uint32_t rtc_clk_cal_internal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
* so we should wait the last process is done.
*/
if (GET_PERI_REG_MASK(TIMG_RTCCALICFG_REG(0), TIMG_RTC_CALI_START_CYCLING)) {
/**
* Set a small timeout threshold to accelerate the generation of timeout.
* The internal circuit will be reset when the timeout occurs and will not affect the next calibration.
*/
REG_SET_FIELD(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT_THRES, 1);
while (!GET_PERI_REG_MASK(TIMG_RTCCALICFG_REG(0), TIMG_RTC_CALI_RDY)
&& !GET_PERI_REG_MASK(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT));
}