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set outputs to known value before making outputs

This commit is contained in:
Michael Moon 2009-12-22 10:55:17 +11:00
parent f666fb321b
commit cbbb7ac350
1 changed files with 3 additions and 2 deletions
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5
stepper-2/stepper.c
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@ -156,7 +156,6 @@ int main (void)
uint16_t spinner = 0; uint16_t spinner = 0;
int r; int r;
int32_t rv; int32_t rv;
int rs;
// setup inputs // setup inputs
DDR_STEP &= ~MASK(PIN_STEP); DDR_STEP &= ~MASK(PIN_STEP);
@ -166,7 +165,9 @@ int main (void)
PORT_STEP |= MASK(PIN_STEP); PORT_STEP |= MASK(PIN_STEP);
PORT_DIR |= MASK(PIN_DIR); PORT_DIR |= MASK(PIN_DIR);
// direction pins to motor controller // outputs to motor controller
PORT_STEPOUT &= ~MASK(PIN_STEPOUT);
PORT_DIROUT &= ~MASK(PIN_DIROUT);
DDR_STEPOUT |= MASK(PIN_STEPOUT); DDR_STEPOUT |= MASK(PIN_STEPOUT);
DDR_DIROUT |= MASK(PIN_DIROUT); DDR_DIROUT |= MASK(PIN_DIROUT);