3.22EjemploDRM007 Co..

Source Code
TurnOffAllPWMOutputs();
PVAL1 = PWMOFF;
PVAL3 = PWMOFF;
PVAL5 = PWMOFF;
#endif
#ifdef MOS_2_COM
PVAL1 = PWMON;
PVAL3 = PWMON;
PVAL5 = PWMON;
PVAL2 = PWMOFF;
PVAL4 = PWMOFF;
PVAL6 = PWMOFF;
#endif
PCTL1 |= LDOK;
}
return;
/*****************************************************************************\
* void init_PLL (void): PLL is initialized to run at 8 MHz of Bus frequency *
* *
* Parameters: None. *
* *
* Return: None. *
\*****************************************************************************/
void InitPLL(void) // Fbus = 8000000 +/- 2% Hz
{
PCTL &= ~BCS;
// select external reference as base clock
PCTL &= ~PLLON;
// turn off PLL
PPG = 0x86;
// program N and L
PBWC |= AUTO;
// enable automatic bandwidth control
PCTL |= PLLON;
// turn on PLL
while((PBWC & LOCK)==0); // wait for PLL to lock
PCTL |= BCS;
return;
}
/*****************************************************************************\
* interrupt void Fault1_ISR(void): Interrupt handler subroutine for Fault1. *
* The motor is stopped when a FAULT occurs. *
* The FAULT is asserted when the current *
* limit or voltage limit has been reached by *
* the power stage. *
* *
* Parameters: None. *
* *
* Return: None. *
\*****************************************************************************/
DRM007
BLDC Motor Control Board for Industrial and Appliance Applications
144 Source Code MOTOROLA