Add debug output

This commit is contained in:
espr14 2020-12-22 12:51:22 +01:00
parent c397e9249a
commit 20659ec818

View file

@ -427,7 +427,7 @@ void go_and_stop(uint8_t axis, int16_t dec, uint16_t &delay_us, uint16_t &steps)
}
/// Count number of zeros on the 32 byte array
/// If the number is less than 16, it changes @min_z so it will be next time
/// If the number is less than 16, it moves @min_z up
bool more_zeros(uint8_t* pixels, int16_t &min_z){
uint8_t hist[256];
uint8_t i = 0;
@ -441,11 +441,22 @@ bool more_zeros(uint8_t* pixels, int16_t &min_z){
for (i = 0; i < 32; ++i){
++hist[pixels[i]];
}
/// print histogram
i = 0;
DBG(_n("hist: "));
do {
DBG(_n("%d "), hist[i]);
} while (i++ < 255);
DBG(_n("\n"));
/// already more zeros on the line
if (hist[0] >= 16)
if (hist[0] >= 16){
DBG(_n("zeros: %d\n"), hist[0]);
return true;
}
/// find threshold
uint8_t sum = 0;
i = 0;
@ -455,7 +466,14 @@ bool more_zeros(uint8_t* pixels, int16_t &min_z){
break;
} while (i++ < 255);
/// avoid too much zeros
if (sum >= 24)
--i;
DBG(_n("sum %d, index %d\n"), sum, i);
DBG(_n("min_z %d\n"), min_z);
min_z += i;
DBG(_n("min_z %d\n"), min_z);
return false;
}