Function esp_idf_svc::sys::mcpwm_capture_channel_enable

source · 
pub unsafe extern "C" fn mcpwm_capture_channel_enable(
    cap_channel: *mut mcpwm_cap_channel_t,
) -> i32
Expand description

@brief Enable MCPWM capture channel

@note This function will transit the channel state from init to enable. @note This function will enable the interrupt service, if it’s lazy installed in mcpwm_capture_channel_register_event_callbacks().

@param[in] cap_channel MCPWM capture channel handle, allocated by mcpwm_new_capture_channel() @return - ESP_OK: Enable MCPWM capture channel successfully - ESP_ERR_INVALID_ARG: Enable MCPWM capture channel failed because of invalid argument - ESP_ERR_INVALID_STATE: Enable MCPWM capture channel failed because the channel is already enabled - ESP_FAIL: Enable MCPWM capture channel failed because of other error