main.c

基于TMS320F2812 的精密温度控制程序代码

/*********************************************************************
* File: Main.c                                                       *
* Description: Contains the main program for the TEC application.    *
* DSP: TMS320F2812                                                   *
* Author: David M. Alter                                             *
* Function List: Main()                                              *
* History:                                                           *
*   11/05/02 - Original, based on DSP28 header files v0.58 (D. Alter)*
* Notes: none                                                        *
*********************************************************************/

/*********************************************************************
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#include	"Device.h"

/*********************************************************************
* Function: main()                                                   *
* Description: main routine for the TEC application.                 *
* DSP: TMS320F2812                                                   *
* Include files: none                                                *
* Function Prototype: void main(void)                                *
* Useage: main();                                                    *
* Input Parameters: none                                             *
* Return Value: none                                                 *
* Notes: none                                                        *
*********************************************************************/
void main(void)
{

/*** Initialization ***/
	InitSysCtrl();						// Initialize the CPU (FILE: SysCtrl.c)
	InitGpio();							// Initialize the shared GPIO pins (FILE: Gpio.c)
	InitPieVectTable();					// Initialize the PIE Vectors (FILE: PieVect.c)
	InitPieCtrl();						// Enable the PIE (FILE: PieCtrl.c)
	InitEv();							// Initialize the Event Managers (FILE: Ev.c)
	InitAdc();							// Initialize the ADC (FILE: Adc.c)

/*** Setup the TEC1 parameters ***/
	TEC1.r = VREF;						// Reference setpoint (0-3.0 volts)
	TEC1.ui1 = 0.0;						// Initialize ui1 to 0.0
	TEC1.e1 = 0.0;						// Initialize e1 to 0
	TEC1.y1 = 0;						// Initialize y1 to 0
	TEC1.y2 = 0;						// Initialize y2 to 0
	TEC1.y3 = 0;						// Initialize y3 to 0
	TEC1.y4 = 0;						// Initialize y4 to 0
	TEC1.u_max = PWM_period;			// Total control limit
	TEC1.ui_max = PWM_period;			// I-mode control limit
    TEC1.Kp = 750.0;					// Kp
    TEC1.Ki = 0.4;						// Ki'
    TEC1.Kd = 125000.0;					// Kd'

/*** Get the TEC loop going ***/
    InitGptimer2(sample_period);		// Initialize timer2 (FILE: TecFunctions.c)
	InitPwm(PWM_period);				// Enable the PWM (FILE: TecFunctions.c)

/*** Enable global interrupts and the realtime debugger interrupt ***/
    asm(" PUSH IER");					// copy the IER to the DBGIER
    asm(" POP  DBGIER");
    asm(" CLRC INTM, DBGM");			// enable global and debugger realtime interrupts

/*** Main loop ***/
    while(1)							// endless loop, wait for interrupt
    {
		asm(" NOP");
    }

} // end main()


/*** end of file *****************************************************/