3.22EjemploDRM007 Co..

Source Code
Source Code Files
void InitPWMMC(void)
{
PMOD = PWMFREQ;
// Frequency of 15.625 KHz
#ifdef MOS_3_COM
PVAL1 = PWMOFF;
PVAL3 = PWMOFF;
PVAL5 = PWMOFF;
DEADTM = DEADTIME;
#endif
#ifdef MOS_2_COM
PVAL1 = PWMON;
PVAL3 = PWMON;
PVAL5 = PWMON;
PVAL2 = PWMOFF;
PVAL4 = PWMOFF;
PVAL6 = PWMOFF;
#endif
PCTL2 = RELOAD_1;
PCTL1 = PWMEN;
/* Reload every 4 PWM cycle. Fop=Fbus=8000000 Hz.
PWMFreq = 8MHz / (2*256) = 15.625 kHz
Reload Freq = 15.625 kHz / 4 = 3.90625 kHz */
// Turn on PWM module
PCTL1 |= LDOK;
}
return;
/*****************************************************************************\
* void stop_motor (void): The motor is stopped in this subroutine, either * *
for user command or motor stalled. *
* *
* Parameters: None. *
* *
* Return: None. *
\*****************************************************************************/
void StopMotor(void)
{
extern
UBYTE BLDCState;
InitTimerA();
InitTimerB();
BLDCState = BLDCSTOP;
#ifdef MOS_3_COM
BLDC Motor Control Board for Industrial and Appliance Applications
DRM007
MOTOROLA Source Code 143