Merge branch 'bugfix/fix_touch_sensor_power_source_v4.3' into 'release/v4.3'

touch_sensor: fix esp32s2&esp32s3 touch sensor default power source (Backport v4.3)

See merge request espressif/esp-idf!13484
This commit is contained in:
Michael (XIAO Xufeng)
2021-05-13 03:06:01 +00:00
2 changed files with 8 additions and 6 deletions

View File

@ -30,6 +30,10 @@ void touch_hal_init(void)
touch_ll_clear_trigger_status_mask();
touch_ll_set_meas_times(TOUCH_PAD_MEASURE_CYCLE_DEFAULT);
touch_ll_set_sleep_time(TOUCH_PAD_SLEEP_CYCLE_DEFAULT);
/* Configure the touch-sensor power domain into self-bias since bandgap-bias
* level is different under sleep-mode compared to running-mode. self-bias is
* always on after chip startup. */
touch_ll_sleep_low_power(true);
touch_ll_set_voltage_high(TOUCH_PAD_HIGH_VOLTAGE_THRESHOLD);
touch_ll_set_voltage_low(TOUCH_PAD_LOW_VOLTAGE_THRESHOLD);
touch_ll_set_voltage_attenuation(TOUCH_PAD_ATTEN_VOLTAGE_THRESHOLD);
@ -146,9 +150,6 @@ void touch_hal_sleep_channel_enable(touch_pad_t pad_num, bool enable)
if (enable) {
touch_ll_sleep_set_channel_num(pad_num);
touch_ll_sleep_set_threshold(SOC_TOUCH_PAD_THRESHOLD_MAX);
/* Default change touch dbias to self-dbias to save power.
Measuring the sleep pad threshold after `sleep_channel_set_config`. */
touch_ll_sleep_low_power(true);
touch_ll_sleep_reset_benchmark();
} else {
touch_ll_sleep_set_channel_num(TOUCH_PAD_NUM0);

View File

@ -30,6 +30,10 @@ void touch_hal_init(void)
touch_ll_clear_trigger_status_mask();
touch_ll_set_meas_times(TOUCH_PAD_MEASURE_CYCLE_DEFAULT);
touch_ll_set_sleep_time(TOUCH_PAD_SLEEP_CYCLE_DEFAULT);
/* Configure the touch-sensor power domain into self-bias since bandgap-bias
* level is different under sleep-mode compared to running-mode. self-bias is
* always on after chip startup. */
touch_ll_sleep_low_power(true);
touch_ll_set_voltage_high(TOUCH_PAD_HIGH_VOLTAGE_THRESHOLD);
touch_ll_set_voltage_low(TOUCH_PAD_LOW_VOLTAGE_THRESHOLD);
touch_ll_set_voltage_attenuation(TOUCH_PAD_ATTEN_VOLTAGE_THRESHOLD);
@ -146,9 +150,6 @@ void touch_hal_sleep_channel_enable(touch_pad_t pad_num, bool enable)
if (enable) {
touch_ll_sleep_set_channel_num(pad_num);
touch_ll_sleep_set_threshold(SOC_TOUCH_PAD_THRESHOLD_MAX);
/* Default change touch dbias to self-dbias to save power.
Measuring the sleep pad threshold after `sleep_channel_set_config`. */
touch_ll_sleep_low_power(true);
touch_ll_sleep_reset_benchmark();
} else {
touch_ll_sleep_set_channel_num(TOUCH_PAD_NUM0);