Function esp_idf_hal::sys::mcpwm_comparator_register_event_callbacks
source ยท pub unsafe extern "C" fn mcpwm_comparator_register_event_callbacks(
cmpr: *mut mcpwm_cmpr_t,
cbs: *const mcpwm_comparator_event_callbacks_t,
user_data: *mut c_void,
) -> i32
Expand description
@brief Set event callbacks for MCPWM comparator
@note User can deregister a previously registered callback by calling this function and setting the callback member in the cbs
structure to NULL.
@param[in] cmpr MCPWM comparator handle, allocated by mcpwm_new_comparator()
@param[in] cbs Group of callback functions
@param[in] user_data User data, which will be passed to callback functions directly
@return
- ESP_OK: Set event callbacks successfully
- ESP_ERR_INVALID_ARG: Set event callbacks failed because of invalid argument
- ESP_FAIL: Set event callbacks failed because of other error