參數(shù)資料
型號(hào): DRM011
英文描述: Direct Current Ignition Reference Design Designer Reference Manual
中文描述: 直流點(diǎn)火參考設(shè)計(jì)設(shè)計(jì)參考手冊(cè)
文件頁數(shù): 40/72頁
文件大?。?/td> 1177K
代理商: DRM011
Reference Design Code
Designer Reference Manual
DRM010 — Rev 0
40
Reference Design Code
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
function : startupDelay()
parameters : unsigned char i - delay count, zero crossings
returns : void
type : normal re-entrant
Description:
The startupDelay() function is provided to ensure that the
everything is stable before starting the motor. This prevents
errant pulses which might result in a high surge currents. The
Phase angle will remain at zero until the startupDelay is
completed.
*******************************************************************************/
void startupDelay(unsigned char i)
{
unsigned char j;
for (j=0;j<i;j++)
{
while(!Sync);
Sync=0;
}
}
/******************************************************************************
function : controlLoop()
parameters : void
returns : void
type : normal re-entrant
Description:
The controlLoop function is executed after each zero crossing.
This function reads the pot updates the phase angle. Scaling
integration and saturation are implemented in this function.
A more complex PID loop or fuzzy logic block could also be
implemented here. The function is executed with interrupts
enabled and might be interrupted by the output compare function.
*******************************************************************************/
F
Freescale Semiconductor, Inc.
n
.
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