|  | CMSIS-DSP
    Version 1.10.0
    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 A0 | 
The derived gain, A0 = Kp + Ki + Kd .
| q31_t A1 | 
The derived gain, A1 = -Kp - 2Kd.
| q31_t A2 | 
The derived gain, A2 = Kd .
| q31_t Kd | 
The derivative gain.
| q31_t Ki | 
The integral gain.
| q31_t Kp | 
The proportional gain.
| q31_t state[3] | 
The state array of length 3.