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SourceVuESP-IDF Framework and ExamplesESP-IDFsdm_ll_set_prescale()

sdm_ll_set_prescale() function

Set Sigma-delta channel's clock pre-scale value.

Syntax

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Summary

Declaration

from sdm_ll.h:53

static inline void sdm_ll_set_prescale(gpio_sd_dev_t *hw, int channel, uint32_t prescale);

Arguments

Argument

Description

Peripheral SIGMADELTA hardware instance address.

channel

Sigma-delta channel number

prescale

The divider of source clock, ranges from 1 to 256

References

Code

Location

Referrer

static inline void sdm_ll_set_prescale(gpio_sd_dev_t *hw, int channel, uint32_t prescale)

sdm_ll.h:53

sdm_ll_set_prescale(group->hal.dev, chan_id, prescale);

sdm.c:257

sdm_new_channel()

sdm_ll_set_prescale(p_sigmadelta_obj[sigmadelta_port]->hal.dev, channel, prescale + 1);

sigma_delta_legacy.c:47

_sigmadelta_set_prescale()

Call Tree

sdm_ll_set_prescale() is called by 2 functions and calls 2 functions:

_sigmadelta_set_prescale()

sdm_new_channel()

sdm_ll_set_prescale()

__assert_func()

abort()

Data Use

sdm_ll_set_prescale() reads 2 variables and writes 2 variables:

gpio_sd_dev_t::::val

gpio_sd_dev_t::channel

sdm_ll_set_prescale()

gpio_sd_dev_t::::::prescale

gpio_sd_dev_t::::val

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sdm_ll_set_prescale() function

Syntax

Arguments

Related Functions

Examples

References

Call Tree

Data Use

Class Tree

Override Tree

Implementations

Instances

Lifecycle