7.2.1.1 Function gpio_set_pin_callback()
Set callback for given GPIO pin.
bool gpio_set_pin_callback( ioport_pin_t pin, gpio_pin_callback_t callback, uint8_t irq_level)
| Data direction | Parameter name | Description |
|---|---|---|
[in] | pin |
The pin number |
[in] | callback |
callback function pointer |
[in] | irq_level |
interrupt level |
| Return value | Description |
|---|---|
true |
Set successfully |
false |
Wrong parameters or maximum number of interrupt sources has been exceeding |