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esp32: by default, set 40MHz crystal frequency

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This commit is contained in:
Ivan Grokhotkov 2017-08-23 16:41:51 +08:00
parent 024ef51d1a
commit 4184968469
1 changed files with 1 additions and 1 deletions
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2
components/esp32/cpu_freq.c
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@ -36,7 +36,7 @@ void esp_set_cpu_freq(void)
// wait uart tx finish, otherwise some uart output will be lost
uart_tx_wait_idle(CONFIG_CONSOLE_UART_NUM);
rtc_init_lite(XTAL_AUTO);
rtc_init_lite(XTAL_40M);
// work around a bug that RTC fast memory may be isolated
// from the system after rtc_init_lite
SET_PERI_REG_MASK(RTC_CNTL_PWC_REG, RTC_CNTL_FASTMEM_FORCE_NOISO_M);