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gpio_ll_get_level() function
GPIO get input level @warning If the pad is not configured for input (or input and output) the returned value is always 0.
Syntax
__attribute__((always_inline))
static inline int gpio_ll_get_level(gpio_dev_t *hw,
uint32_t gpio_num);
Return value
- 0 the GPIO input level is 0 - 1 the GPIO input level is 1
Related Functions
Found 49 other functions taking a ![]()
gpio_dev_s
argument:
Function
Description
Enable output mode on GPIO.
GPIO set output level
Select a function for the pin in the IOMUX
Enable input mode on GPIO.
Disable pull-up on GPIO.
Disable pull-down on GPIO.
Clear GPIO interrupt status
Clear GPIO interrupt status high
Disable output mode on GPIO.
Enable pull-up on GPIO.
Enable GPIO pin used for wakeup from sleep.
Enable pull-down on GPIO.
Enable open-drain mode on GPIO.
Disable GPIO pin used for wakeup from sleep.
Return slp-sel status on GPIO.
Disable GPIO pull-up in sleep mode.
Disable GPIO pull-down in sleep mode.
GPIO set interrupt trigger type
Disable input mode on GPIO.
Disable GPIO input in sleep mode.
Disable GPIO output in sleep mode.
Disable open-drain mode on GPIO.
Disconnect any peripheral output signal routed via GPIO matrix to the pin
Set pad input to a peripheral signal through the IOMUX.
Get the configuration for an IO
Return pull-up status on GPIO.
Return pull-down status on GPIO.
Enable GPIO pull-up in sleep mode.
Return slp-pull-up status on GPIO.
Enable GPIO pull-down in sleep mode.
Return slp-pull-down status on GPIO.
Get GPIO interrupt status
Get GPIO interrupt status high
Enable GPIO module interrupt signal
Disable GPIO module interrupt signal
Enable GPIO input in sleep mode.
Enable GPIO output in sleep mode.
Enable GPIO wake-up function.
Disable GPIO wake-up function.
Set GPIO pad drive capability
Get GPIO pad drive capability
Enable all digital gpio pad hold function during Deep-sleep.
Get deep sleep hold status
Disable all digital gpio pad hold function during Deep-sleep.
Enable gpio pad hold function.
Disable gpio pad hold function.
Get digital gpio pad hold status.
Set peripheral output to an GPIO pad through the IOMUX.
Get the GPIO number that is routed to the input peripheral signal through GPIO matrix.
References
Code
Location
Referrer
Call Tree
gpio_ll_get_level() is called by 2 functions:
Data Use
gpio_ll_get_level() reads 4 variables and writes 1 variable: