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bootloader_common_check_long_hold_gpio_level() function
Check if a GPIO input is held low or high for a long period, short period, or not at all. This function will configure the specified GPIO as an input with internal pull-up enabled. If the GPIO input is held at 'level' continuously for delay_sec period then it is a long hold. If the GPIO input is held at 'level' for less period then it is a short hold.
Syntax
esp_comm_gpio_hold_t bootloader_common_check_long_hold_gpio_level(uint32_t num_pin,
uint32_t delay_sec,
bool level);
Implemented in ![]()
bootloader_common.c:37
Return value
esp_comm_gpio_hold_t Type of hold detected, if any.
References
Code
Location
Referrer
Call Tree
bootloader_common_check_long_hold_gpio_level() is called by 1 function and calls 5 functions:
Data Use
bootloader_common_check_long_hold_gpio_level() reads 3 variables: