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dd
Dependencies: BufferedSerial FastAnalogIn FastPWM mbed SHT75
Diff: controlt.cpp
- Revision:
- 1:5c42ec7f1aeb
- Parent:
- 0:9bfc4aea91e2
- Child:
- 2:4c51394fb35b
--- a/controlt.cpp Fri Feb 19 07:07:26 2016 +0000 +++ b/controlt.cpp Mon Feb 22 06:03:11 2016 +0000 @@ -14,6 +14,13 @@ control_t::control_t(temp_sensor_t* _temp_sensor, peltier_t* _peltier) { + log_count=0; + + target_temp=15; + P_value=0; + I_value=0; + D_value=0; + temp_sensor=_temp_sensor; peltier=_peltier; } @@ -34,11 +41,118 @@ void control_t::control_temp() { + PWM_value+=calc_P(); + PWM_value+=calc_I(); + PWM_value+=calc_D(); + + if(PWM_value>1) + { + PWM_value=1; + } + if(PWM_value<-1) + { + PWM_value=-1; + } + peltier->set_PWM(PWM_value); } void control_t::set_mode(int _mode) { mode=_mode; +} + +void control_t::set_PWM_value(float _PWM_value) +{ + PWM_value=_PWM_value; +} + +void control_t::set_target_temp(float _target_temp) +{ + target_temp=_target_temp; +} + +void control_t::set_P_value(float _P_value) +{ + P_value=_P_value; +} + +void control_t::set_I_value(float _I_value) +{ + I_value=_I_value; +} + +void control_t::set_D_value(float _D_value) +{ + D_value=_D_value; +} + +void control_t::refresh_PWM() +{ + write_log(); + if(mode==0) + { + PWM_value=0; + control_PWM(0); + } + else if(mode==1) + { + } + else if(mode==2) + { + control_temp(); + } +} + +int control_t::get_mode() +{ + return mode; +} +float control_t::get_target_temp() +{ + return target_temp; +} +float control_t::get_P_value() +{ + return P_value; +} +float control_t::get_I_value() +{ + return I_value; +} +float control_t::get_D_value() +{ + return D_value; +} +float control_t::get_PWM_value() +{ + return PWM_value; +} + +float control_t::calc_P() +{ + return (target_temp-temp_sensor->get_temp())*P_value; +} + +float control_t::calc_I() +{ + float data=0; + for(int i=0;i<10;i++) + { + data+=temp_log[i]; + } + return data*I_value; +} + +float control_t::calc_D() +{ + return -(temp_log[log_count]-temp_log[(log_count-1)%10])*D_value; +} + +void control_t::write_log() +{ + log_count++; + log_count=log_count%10; + temp_log[log_count]=temp_sensor->get_temp(); } \ No newline at end of file