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rtl_adsb: improve sensitivity, stability

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Signed-off-by: Steve Markgraf <steve@steve-m.de>
This commit is contained in:
Kyle Keen 2012-12-30 13:36:02 -05:00 committed by Steve Markgraf
parent 7840ec21d3
commit 5673a56223
1 changed files with 3 additions and 1 deletions
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4
src/rtl_adsb.c
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@ -144,9 +144,10 @@ void display(int *frame, int len)
void pyth_precompute(void)
{
int x, y;
double scale = 1.408 ; /* use the full 8 bits */
for (x=0; x<129; x++) {
for (y=0; y<129; y++) {
pyth[x][y] = (uint8_t)round(sqrt(x*x + y*y));
pyth[x][y] = (uint8_t)round(scale * sqrt(x*x + y*y));
}}
}
@ -437,6 +438,7 @@ int main(int argc, char **argv)
if (strcmp(filename, "-") == 0) { /* Write samples to stdout */
file = stdout;
setvbuf(stdout, NULL, _IONBF, 0);
#ifdef _WIN32
_setmode(_fileno(file), _O_BINARY);
#endif