alex/esp-idf
alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2024-10-05 20:47:46 -04:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

docs(gpio): update gpio_deep_sleep_hold_en API usage notes

Browse Source
This commit is contained in:
wuzhenghui 2024-07-08 16:32:33 +08:00
parent d9a9bab390
commit 66fa61f353
No known key found for this signature in database
GPG Key ID: 3EFEDECDEBA39BB9
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
components/esp_driver_gpio/include/driver/gpio.h
View File

@ -416,8 +416,13 @@ esp_err_t gpio_hold_dis(gpio_num_t gpio_num);
* Enabling this feature makes all digital gpio pads be at the holding state during Deep-sleep. The state of each pad
* holds is its active configuration (not pad's sleep configuration!).
*
* Note that this pad hold feature only works when the chip is in Deep-sleep mode. When the chip is in active mode,
* the digital gpio state can be changed freely even you have called this function.
* Note:
* 1. For digital IO, this API takes effect only if the corresponding digital IO pad hold function has been enabled. You
* can enable the GPIO pad hold function by calling `gpio_hold_en`.
* has been enabled. You can call `gpio_hold_en` to enable the gpio pad hold function.
* 2. Though this API targets all digital IOs, the pad hold feature only works when the chip is in Deep-sleep mode. When
* the chip is in active mode, the digital GPIO state can be changed freely even if you have called this function, except
* for IOs that are already held by `gpio_hold_en`.
*
* After this API is being called, the digital gpio Deep-sleep hold feature will work during every sleep process. You
* should call `gpio_deep_sleep_hold_dis` to disable this feature.