pid_new_control_block() function
Create a new PID control session, returns the handle of control block
Arguments
config
PID control configuration
ret_pid
Returned PID control block handle
Return value
- ESP_OK: Created PID control block successfully - ESP_ERR_INVALID_ARG: Created PID control block failed because of invalid argument - ESP_ERR_NO_MEM: Created PID control block failed because out of memory