pub unsafe extern "C" fn gptimer_set_alarm_action(
    timer: gptimer_handle_t,
    config: *const gptimer_alarm_config_t
) -> esp_err_t
Expand description

@brief Set alarm event actions for GPTimer.

@note This function is allowed to run within ISR context, so that user can set new alarm action immediately in the ISR callback. @note If CONFIG_GPTIMER_CTRL_FUNC_IN_IRAM is enabled, this function will be placed in the IRAM by linker, makes it possible to execute even when the Flash Cache is disabled.

@param[in] timer Timer handle created by gptimer_new_timer @param[in] config Alarm configuration, especially, set config to NULL means disabling the alarm function @return - ESP_OK: Set alarm action for GPTimer successfully - ESP_ERR_INVALID_ARG: Set alarm action for GPTimer failed because of invalid argument - ESP_FAIL: Set alarm action for GPTimer failed because of other error