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dda.c: eliminated abs32() in favour of the ABS() macro. 

Saves 50 bytes.
This commit is contained in:
Markus Hitter 2010-07-04 23:05:55 +02:00
parent 8468f22e58
commit 31dcf28fd4
1 changed files with 5 additions and 13 deletions
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18
mendel/dda.c
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@ -92,12 +92,6 @@ uint32_t approx_distance_3( uint32_t dx, uint32_t dy, uint32_t dz )
return (( approx + 512 ) >> 10 );
}
uint32_t abs32(int32_t v) {
if (v < 0)
return (uint32_t) (-v);
return (uint32_t) (v);
}
uint32_t delta32(uint32_t v1, uint32_t v2) {
if (v1 >= v2)
return v1 - v2;
@ -126,7 +120,6 @@ void dda_create(DDA *dda, TARGET *target) {
// initialise DDA to a known state
dda->live = 0;
// dda->total_steps = 0;
dda->waitfor_temp = 0;
if (debug_flags & DEBUG_DDA)
@ -135,10 +128,10 @@ void dda_create(DDA *dda, TARGET *target) {
// we end at the passed target
memcpy(&(dda->endpoint), target, sizeof(TARGET));
dda->x_delta = abs32(target->X - startpoint.X);
dda->y_delta = abs32(target->Y - startpoint.Y);
dda->z_delta = abs32(target->Z - startpoint.Z);
dda->e_delta = abs32(target->E - startpoint.E);
dda->x_delta = ABS(target->X - startpoint.X);
dda->y_delta = ABS(target->Y - startpoint.Y);
dda->z_delta = ABS(target->Z - startpoint.Z);
dda->e_delta = ABS(target->E - startpoint.E);
dda->x_direction = (target->X >= startpoint.X)?1:0;
dda->y_direction = (target->Y >= startpoint.Y)?1:0;
@ -162,8 +155,7 @@ void dda_create(DDA *dda, TARGET *target) {
serial_writestr_P(PSTR("] ["));
}
// if (dda->x_delta > dda->total_steps)
dda->total_steps = dda->x_delta;
dda->total_steps = dda->x_delta;
if (dda->y_delta > dda->total_steps)
dda->total_steps = dda->y_delta;
if (dda->z_delta > dda->total_steps)