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Merge branch 'bugfix/reduce_the_consumption_of_touch_sensor_during_deep_sleep' into 'master'

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fix: reduce the consumption of touch sensor during deep sleep

See merge request espressif/esp-idf!12248
This commit is contained in:
Michael (XIAO Xufeng)
2021-03-22 07:10:44 +00:00
parent ed624c48f6 6b361ed70f
commit 67ba80f2ec
11 changed files with 183 additions and 33 deletions
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16
components/driver/esp32s2/include/driver/touch_sensor.h
View File

@@ -579,6 +579,22 @@ esp_err_t touch_pad_sleep_channel_reset_benchmark(void);
*/
esp_err_t touch_pad_sleep_channel_read_proximity_cnt(touch_pad_t pad_num, uint32_t *proximity_cnt);
/**
* @brief Change the operating frequency of touch pad in deep sleep state. Reducing the operating frequency can effectively reduce power consumption.
* If this function is not called, the working frequency of touch in the deep sleep state is the same as that in the wake-up state.
*
* @param sleep_cycle The touch sensor will sleep after each measurement.
* sleep_cycle decide the interval between each measurement.
* t_sleep = sleep_cycle / (RTC_SLOW_CLK frequency).
* The approximate frequency value of RTC_SLOW_CLK can be obtained using rtc_clk_slow_freq_get_hz function.
* @param meas_times The times of charge and discharge in each measure process of touch channels.
* The timer frequency is 8Mhz. Range: 0 ~ 0xffff.
* Recommended typical value: Modify this value to make the measurement time around 1ms.
* @return
* - ESP_OK Success
*/
esp_err_t touch_pad_sleep_channel_set_work_time(uint16_t sleep_cycle, uint16_t meas_times);
#ifdef __cplusplus
}
#endif

6
components/driver/esp32s2/touch_sensor.c
View File

@@ -629,3 +629,9 @@ esp_err_t touch_pad_sleep_channel_read_proximity_cnt(touch_pad_t pad_num, uint32
touch_hal_sleep_read_proximity_cnt(approach_cnt);
return ESP_OK;
}
esp_err_t touch_pad_sleep_channel_set_work_time(uint16_t sleep_cycle, uint16_t meas_times)
{
touch_hal_sleep_channel_set_work_time(sleep_cycle, meas_times);
return ESP_OK;
}

16
components/driver/esp32s3/include/driver/touch_sensor.h
View File

@@ -577,6 +577,22 @@ esp_err_t touch_pad_sleep_channel_reset_benchmark(void);
*/
esp_err_t touch_pad_sleep_channel_read_proximity_cnt(touch_pad_t pad_num, uint32_t *proximity_cnt);
/**
* @brief Change the operating frequency of touch pad in deep sleep state. Reducing the operating frequency can effectively reduce power consumption.
* If this function is not called, the working frequency of touch in the deep sleep state is the same as that in the wake-up state.
*
* @param sleep_cycle The touch sensor will sleep after each measurement.
* sleep_cycle decide the interval between each measurement.
* t_sleep = sleep_cycle / (RTC_SLOW_CLK frequency).
* The approximate frequency value of RTC_SLOW_CLK can be obtained using rtc_clk_slow_freq_get_hz function.
* @param meas_times The times of charge and discharge in each measure process of touch channels.
* The timer frequency is 8Mhz. Range: 0 ~ 0xffff.
* Recommended typical value: Modify this value to make the measurement time around 1ms.
* @return
* - ESP_OK Success
*/
esp_err_t touch_pad_sleep_channel_set_work_time(uint16_t sleep_cycle, uint16_t meas_times);
#ifdef __cplusplus
}
#endif