diff options
Diffstat (limited to 'src/modules/systemlib/pid/pid.h')
| -rw-r--r-- | src/modules/systemlib/pid/pid.h | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/src/modules/systemlib/pid/pid.h b/src/modules/systemlib/pid/pid.h index eb9df96cc..5f2650f69 100644 --- a/src/modules/systemlib/pid/pid.h +++ b/src/modules/systemlib/pid/pid.h @@ -1,9 +1,11 @@ /**************************************************************************** * - * Copyright (C) 2008-2012 PX4 Development Team. All rights reserved. - * Author: @author Laurens Mackay <mackayl@student.ethz.ch> - * @author Tobias Naegeli <naegelit@student.ethz.ch> - * @author Martin Rutschmann <rutmarti@student.ethz.ch> + * Copyright (C) 2008-2013 PX4 Development Team. All rights reserved. + * Author: Laurens Mackay <mackayl@student.ethz.ch> + * Tobias Naegeli <naegelit@student.ethz.ch> + * Martin Rutschmann <rutmarti@student.ethz.ch> + * Anton Babushkin <anton.babushkin@me.com> + * Julian Oes <joes@student.ethz.ch> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -36,7 +38,14 @@ /** * @file pid.h - * Definition of generic PID control interface + * + * Definition of generic PID control interface. + * + * @author Laurens Mackay <mackayl@student.ethz.ch> + * @author Tobias Naegeli <naegelit@student.ethz.ch> + * @author Martin Rutschmann <rutmarti@student.ethz.ch> + * @author Anton Babushkin <anton.babushkin@me.com> + * @author Julian Oes <joes@student.ethz.ch> */ #ifndef PID_H_ @@ -44,6 +53,8 @@ #include <stdint.h> +__BEGIN_DECLS + /* PID_MODE_DERIVATIV_CALC calculates discrete derivative from previous error * val_dot in pid_calculate() will be ignored */ #define PID_MODE_DERIVATIV_CALC 0 @@ -62,22 +73,22 @@ typedef struct { float intmax; float sp; float integral; - float error_previous_filtered; - float control_previous; + float error_previous; float last_output; float limit; + float dt_min; uint8_t mode; - float diff_filter_factor; uint8_t count; uint8_t saturated; } PID_t; -__EXPORT void pid_init(PID_t *pid, float kp, float ki, float kd, float intmax, float limit, float diff_filter_factor, uint8_t mode); -__EXPORT int pid_set_parameters(PID_t *pid, float kp, float ki, float kd, float intmax, float limit, float diff_filter_factor); +__EXPORT void pid_init(PID_t *pid, float kp, float ki, float kd, float intmax, float limit, uint8_t mode, float dt_min); +__EXPORT int pid_set_parameters(PID_t *pid, float kp, float ki, float kd, float intmax, float limit); //void pid_set(PID_t *pid, float sp); __EXPORT float pid_calculate(PID_t *pid, float sp, float val, float val_dot, float dt, float *ctrl_p, float *ctrl_i, float *ctrl_d); __EXPORT void pid_reset_integral(PID_t *pid); +__END_DECLS #endif /* PID_H_ */ |