STM32_PID

/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************

* File Name          : main.c

* Author             : MCD Application Team

* Version            : V2.0.1

* Date               : 06/13/2008

* Description        : Main program body

********************************************************************************

* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS

* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.

* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,

* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE

* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING

* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.

*******************************************************************************/



/* Includes ------------------------------------------------------------------*/

#include "System_init.h"

#include "Adjust.h"

/* Private typedef -----------------------------------------------------------*/

/* Private define ------------------------------------------------------------*/

/* Private macro -------------------------------------------------------------*/

/* Private variables ---------------------------------------------------------*/

extern vu16 ADCConvertedValue;

extern unsigned char Flag_1mS;

extern unsigned char Flag_100mS;

extern unsigned char Flag_1S;

extern int U_Set;

extern u16 CCR1_Val;

/* Private function prototypes -----------------------------------------------*/

/*******************************************************************************

* Function Name  : main

* Description    : Main program

* Input          : None

* Output         : None

* Return         : None

*******************************************************************************/

int main(void)

{

unsigned char N=0;

float Pv;

#ifdef DEBUG

  debug();

#endif

  System_Configuration();

  printf("This is an example of PID!\n\r");

  while (1)

  { 

  switch (N){

          case 0:

                          if(Flag_1mS==1){

                        if(U_Set-ADCConvertedValue>=10||U_Set-ADCConvertedValue<=-10){

                        Pv=Vol(U_Set,ADCConvertedValue);

                        CCR1_Val=CCR1_Val+Pv/2.04;

                        if(CCR1_Val>=999)

                        CCR1_Val=999;

                        else if(CCR1_Val<=1)

                        CCR1_Val=1;



                        TIM3->CCR1=CCR1_Val;

                        }

                        Flag_1mS=0;

                        }

                        break;

          case 1:

                            if(Flag_100mS==1){

                        printf("%d,",ADCConvertedValue);printf("%d   ",CCR1_Val);

                        Flag_100mS=0;

                        }

                        break;

          case 2:

                            if(Flag_1S==1){

                        //printf("The feedback is %d\n\r",ADCConvertedValue);

                        Flag_1S=0;

                        }

                        break;

          default : break;

  }

  N++;

  if(N==3){

   N=0;

   }

  }

}

/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/