Symbols

loading...

Files

loading...

Summary Syntax Arguments References Call Tree Data Use

SourceVuESP-IDF Framework and ExamplesESP-IDFrtc_clk_freq_cal()

rtc_clk_freq_cal() function

Calculate the real clock value after the clock calibration

Syntax

Show:

Summary

Declaration

Definition

uint32_t rtc_clk_freq_cal(uint32_t cal_val);

Implemented in rtc_time.c:186

Arguments

Argument

Description

cal_val

Average slow clock period in microseconds, fixed point value as returned from `rtc_clk_cal`

Return value

Frequency of the clock in Hz

References

Code

Location

Referrer

uint32_t rtc_clk_freq_cal(uint32_t cal_val)

uint32_t rtc_clk_freq_cal(uint32_t cal_val);

s_calibrated_freq.rc_fast_d256 = rtc_clk_freq_cal(rtc_clk_cal(RTC_CAL_8MD256, DEFAULT_32K_CLK_CAL_CYCLES));

esp_clk_tree_common.c:85

esp_clk_tree_rc_fast_d256_get_freq_hz()

s_calibrated_freq.rc_fast_d256 = rtc_clk_freq_cal(rtc_clk_cal(RTC_CAL_8MD256, DEFAULT_32K_CLK_CAL_CYCLES));

esp_clk_tree_common.c:89

esp_clk_tree_rc_fast_d256_get_freq_hz()

s_calibrated_freq.xtal32k = rtc_clk_freq_cal(rtc_clk_cal(RTC_CAL_32K_XTAL, DEFAULT_32K_CLK_CAL_CYCLES));

esp_clk_tree_common.c:105

esp_clk_tree_xtal32k_get_freq_hz()

s_calibrated_freq.xtal32k = rtc_clk_freq_cal(rtc_clk_cal(RTC_CAL_32K_XTAL, DEFAULT_32K_CLK_CAL_CYCLES));

esp_clk_tree_common.c:109

esp_clk_tree_xtal32k_get_freq_hz()

return rtc_clk_freq_cal(clk_ll_rtc_slow_load_cal());

esp_clk_tree_common.c:142

esp_clk_tree_lp_slow_get_freq_hz()

return rtc_clk_freq_cal(clk_tree_rtc_slow_calibration(RTC_SLOW_CLK_CAL_CYCLES));

esp_clk_tree_common.c:146

esp_clk_tree_lp_slow_get_freq_hz()

Call Tree

rtc_clk_freq_cal() is called by 3 functions:

esp_clk_tree_rc_fast_d256_get_freq_hz()

esp_clk_tree_xtal32k_get_freq_hz()

esp_clk_tree_lp_slow_get_freq_hz()

rtc_clk_freq_cal()

Data Use

rtc_clk_freq_cal():

rtc_clk_freq_cal()

Class Tree

All items filtered out

All items filtered out

Override Tree

All items filtered out

All items filtered out

Implementations

All items filtered out

All items filtered out

Instances

Lifecycle

All items filtered out

All items filtered out