Function esp_idf_svc::hal::sys::mcpwm_new_capture_channel
source · pub unsafe extern "C" fn mcpwm_new_capture_channel(
cap_timer: *mut mcpwm_cap_timer_t,
config: *const mcpwm_capture_channel_config_t,
ret_cap_channel: *mut *mut mcpwm_cap_channel_t,
) -> i32
Expand description
@brief Create MCPWM capture channel
@note The created capture channel won’t be enabled until calling mcpwm_capture_channel_enable
@param[in] cap_timer MCPWM capture timer, allocated by mcpwm_new_capture_timer()
, will be connected to the new capture channel
@param[in] config MCPWM capture channel configuration
@param[out] ret_cap_channel Returned MCPWM capture channel
@return
- ESP_OK: Create MCPWM capture channel successfully
- ESP_ERR_INVALID_ARG: Create MCPWM capture channel failed because of invalid argument
- ESP_ERR_NO_MEM: Create MCPWM capture channel failed because out of memory
- ESP_ERR_NOT_FOUND: Create MCPWM capture channel failed because can’t find free resource
- ESP_FAIL: Create MCPWM capture channel failed because of other error