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SourceVuESP-IDF Framework and ExamplesESP-IDFdac_ll_cw_set_dc_offset()

dac_ll_cw_set_dc_offset() function

Set the voltage value of the DC component of the cosine wave generator output.

Syntax

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Summary

Declaration

from dac_ll.h:173

static inline void dac_ll_cw_set_dc_offset(dac_channel_t channel, int8_t offset);

Arguments

Argument

Description

channel

DAC channel num.

offset

DC value. Range: -128 ~ 127.

Notes

The DC offset setting should be after phase setting. Unreasonable settings can cause the signal to be oversaturated.

References

Code

Location

Referrer

static inline void dac_ll_cw_set_dc_offset(dac_channel_t channel, int8_t offset)

dac_ll.h:173

dac_ll_cw_set_dc_offset(cw->en_ch, cw->offset);

dac_common_legacy.c:124

dac_cw_generator_config()

dac_ll_cw_set_dc_offset(cos_cfg->chan_id, cos_cfg->offset);

dac_cosine.c:79

dac_cosine_new_channel()

Call Tree

dac_ll_cw_set_dc_offset() is called by 2 functions:

dac_cw_generator_config()

dac_cosine_new_channel()

dac_ll_cw_set_dc_offset()

Data Use

dac_ll_cw_set_dc_offset() reads 7 variables and writes 3 variables:

dac_channel_t::DAC_CHAN_0

dac_channel_t::DAC_CHAN_1

sens_dev_s::::::dac_inv1

sens_dev_s::::::dac_inv2

sens_dev_s::::val

sens_dev_s::sar_dac_ctrl2

SENS

dac_ll_cw_set_dc_offset()

sens_dev_s::::::dac_dc1

sens_dev_s::::::dac_dc2

sens_dev_s::::val

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