|  | CMSIS-DSP
    Version 1.5.2
    CMSIS DSP Software Library | 
Instance structure for the Q31 PID Control.
| Data Fields | |
| q31_t | A0 | 
| q31_t | A1 | 
| q31_t | A2 | 
| q31_t | state [3] | 
| q31_t | Kp | 
| q31_t | Ki | 
| q31_t | Kd | 
| q31_t arm_pid_instance_q31::A0 | 
The derived gain, A0 = Kp + Ki + Kd .
Referenced by arm_pid_init_q31(), and arm_pid_q31().
| q31_t arm_pid_instance_q31::A1 | 
The derived gain, A1 = -Kp - 2Kd.
Referenced by arm_pid_init_q31(), and arm_pid_q31().
| q31_t arm_pid_instance_q31::A2 | 
The derived gain, A2 = Kd .
Referenced by arm_pid_init_q31(), and arm_pid_q31().
| q31_t arm_pid_instance_q31::Kd | 
The derivative gain.
Referenced by arm_pid_init_q31().
| q31_t arm_pid_instance_q31::Ki | 
The integral gain.
Referenced by arm_pid_init_q31().
| q31_t arm_pid_instance_q31::Kp | 
The proportional gain.
Referenced by arm_pid_init_q31().
| q31_t arm_pid_instance_q31::state[3] | 
The state array of length 3.
Referenced by arm_pid_init_q31(), arm_pid_q31(), and arm_pid_reset_q31().