touch_ll_set_channel_mask() function

Enable touch sensor channel. Register touch channel into touch sensor measurement group. The working mode of the touch sensor is simultaneous measurement. This function will set the measure bits according to the given bitmask.

Syntax

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Summary

Declaration

from touch_sensor_ll.h:375

static inline void touch_ll_set_channel_mask(uint16_t enable_mask);

Arguments

Argument

Description

enable_mask

bitmask of touch sensor scan group. e.g. TOUCH_PAD_NUM1 -> BIT(1)

Return value

- ESP_OK on success

Notes

If set this mask, the FSM timer should be stop firsty. The touch sensor that in scan map, should be deinit GPIO function firstly.

References

Code

Location

Referrer

static inline void touch_ll_set_channel_mask(uint16_t enable_mask)

touch_sensor_ll.h:375

touch_hal_set_channel_mask(en_mask);

touch_sensor.c:216

touch_pad_set_group_mask()

Call Tree

touch_ll_set_channel_mask() is called by 1 function:

touch_pad_set_group_mask()

touch_ll_set_channel_mask()

Data Use

touch_ll_set_channel_mask() reads 5 variables and writes 1 variable:

sens_dev_s::sar_touch_enable

sens_dev_s::::::touch_pad_worken

SENS

touch_pad_t::TOUCH_PAD_NUM8

touch_pad_t::TOUCH_PAD_NUM9

touch_ll_set_channel_mask()

sens_dev_s::::::touch_pad_worken

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