# Changelog ## 0.3.1 - Renamed PID control block handle typedefs to keep backend suffix naming consistent: - `pid_ctrl_block_f_handle_t` -> `pid_ctrl_block_handle_f_t` - `pid_ctrl_block_iq_handle_t` -> `pid_ctrl_block_handle_iq_t` ## 0.3.0 - Added IQmath fixed-point backend (`pid_*_iq()`) - Added `CONFIG_PID_CTRL_IQ_FORMAT` to configure the IQmath Q-format ## 0.2.0 - Added `pid_reset_ctrl_block()` to clear the accumulated error of a control block ## 0.1.0 - Initial version