Exemplo n.º 1
0
int main(void) {
	Config_Puertos();
	Interrupciones();
	SysTick_Config(ticks);
	Config_Eintx(eint2, puerto_eint2);
	Config_Uart();
	Config_ADC();
	config_timer(timer1, match1, prescaler1);
	while(1) {
		if ((botonPanic==1) | (tempSen > tempTemp)) Cooler_ON();
		else if (tempSen < (tempTemp-2)) Cooler_OFF();
			}
	return 0;
}
Exemplo n.º 2
0
main()
{
   phase=0;
   w=2*3.1415927*100; // Frequencia fundamental do sinal gerado = 100Hz
   Ts=1/10000.0;      // Interrupção do ePWM1 =10kHz -> taxa de amostragem
   offset=7500;
   j=0;
   segundos_count=0;

// Step 1.
   InitSysCtrl();

// Step 2. Initialize GPIO:
// This example function is found in the DSP2833x_Gpio.c file and
// illustrates how to set the GPIO to it's default state.
// InitGpio();  // Skipped for this example

// Step 3.
   DINT;

// Initialize the PIE control registers to their default state.
   InitPieCtrl();

// Disable CPU interrupts and clear all CPU interrupt flags:
   IER = 0x0000;
   IFR = 0x0000;

// Initialize the PIE vector table with pointers to the shell Interrupt
// Service Routines (ISR).
   InitPieVectTable();

// Interrupts that are used in this example are re-mapped to
// ISR functions found within this file.
   EALLOW;  // This is needed to write to EALLOW protected register
   PieVectTable.ADCINT = &adc_isr;
   EDIS;    // This is needed to disable write to EALLOW protected registers

// Step 4. Initialize all the Device Peripherals:
   EALLOW;
   SysCtrlRegs.PCLKCR0.bit.TBCLKSYNC = 0; //desabilita clk para ePWMx
   EDIS;

   InitEPwm1Example(); //Configura ePWM1

   EALLOW;
   SysCtrlRegs.PCLKCR0.bit.TBCLKSYNC = 1;//habilita clk para ePWMx
   EDIS;
   InitAdc();    // For this example, init the ADC
   Config_ADC(); // For this example, config the ADC

// Step 5. User specific code, enable interrupts:
   EALLOW;
   GpioDataRegs.GPACLEAR.bit.GPIO31 = 1;   // Reset output latch -  Turn on LED1
   GpioCtrlRegs.GPAMUX2.bit.GPIO31  = 0;   // GPIO31 = GPIO31
   GpioCtrlRegs.GPADIR.bit.GPIO31   = 1;   // GPIO31 = output

   GpioDataRegs.GPBCLEAR.bit.GPIO34 = 1;   // Reset output latch -  Turn on LED2
   GpioCtrlRegs.GPBMUX1.bit.GPIO34  = 0;   // GPIO34 = GPIO34
   GpioCtrlRegs.GPBDIR.bit.GPIO34   = 1;   // GPIO34 = output

  //Configure ePWM-1 pins using GPIO regs
  //Enable internal pull-up for the selected pins */
   GpioCtrlRegs.GPAPUD.bit.GPIO0 = 0;    // Enable pull-up on GPIO0 (EPWM1A)
   GpioCtrlRegs.GPAPUD.bit.GPIO1 = 0;    // Enable pull-up on GPIO1 (EPWM1B)

   GpioCtrlRegs.GPAMUX1.bit.GPIO0 = 1;   // Configure GPIO0 as EPWM1A
   GpioCtrlRegs.GPAMUX1.bit.GPIO1 = 1;   // Configure GPIO1 as EPWM1B

   EDIS;

// Enable ADCINT in PIE
   PieCtrlRegs.PIEIER1.bit.INTx6 = 1;
   IER |= M_INT1; // Enable CPU Interrupt 1
   EINT;          // Enable Global interrupt INTM
   ERTM;          // Enable Global realtime interrupt DBGM

// Wait for ADC interrupt
   ConversionCount = 0;

   while(1) //loop infinito
   {
	   asm(" NOP");
	   if(segundos_count >=2)
	   {
		   segundos_count=0;     //Zera contador de segundos
		   ConversionCount = 0;  // habilita gravação da aquisição nos vetores a cada 2 segundos
		   A3=A3+200; //Incrementa amplitude do terceiro harmônico - sinal de controle PWM
		   if (A3>=2000)
			   A3=0;
	   }
   }
}