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remove floats per piwi

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This commit is contained in:
marshmellow42 2015-03-31 10:49:06 -04:00
parent 070e3c4305
commit 75cbbe9a69
1 changed files with 9 additions and 11 deletions
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20
common/lfdemod.c
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@ -34,8 +34,8 @@ int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi
if (BitStream[i] < *low) *low = BitStream[i];
}
if (*high < 123) return -1; // just noise
*high = (int)(((*high-128)*(((float)fuzzHi)/100))+128);
*low = (int)(((*low-128)*(((float)fuzzLo)/100))+128);
*high = ((*high-128)*fuzzHi + 12800)/100;
*low = ((*low-128)*fuzzLo + 12800)/100;
return 1;
}
@ -559,28 +559,26 @@ size_t aggregate_bits(uint8_t *dest, size_t size, uint8_t rfLen,
size_t idx=0;
size_t numBits=0;
uint32_t n=1;
uint16_t lowWaves = ((rfLen*100/fclow)); // (((float)(rfLen))/((float)fclow));
uint16_t highWaves = ((rfLen*100/fchigh)); // (((float)(rfLen))/((float)fchigh));
for( idx=1; idx < size; idx++) {
n++;
if (dest[idx]==lastval) continue;
//if lastval was 1, we have a 1->0 crossing
if (dest[idx-1]==1) {
if (!numBits && n < lowWaves/100) {
if (!numBits && n < rfLen/fclow) {
n=0;
lastval = dest[idx];
continue;
}
n = (size_t)((((n*1000)/lowWaves)+5)/10);
n = (n * fclow + rfLen/2) / rfLen;
} else {// 0->1 crossing
//test first bitsample too small
if (!numBits && n < highWaves/100) {
if (!numBits && n < rfLen/fchigh) {
n=0;
lastval = dest[idx];
continue;
}
n = (((n*1000)/highWaves)+5)/10;
n = (n * fchigh + rfLen/2) / rfLen;
}
if (n == 0) n = 1;
@ -590,11 +588,11 @@ size_t aggregate_bits(uint8_t *dest, size_t size, uint8_t rfLen,
lastval=dest[idx];
}//end for
// if valid extra bits at the end were all the same frequency - add them in
if (n > highWaves/100) {
if (n > rfLen/fchigh) {
if (dest[idx-2]==1) {
n=(((n*1000)/lowWaves)+5)/10;
n = (n * fclow + rfLen/2) / rfLen;
} else {
n=(((n*1000)/highWaves)+5)/10;
n = (n * fchigh + rfLen/2) / rfLen;
}
memset(dest+numBits, dest[idx-1]^invert , n);
numBits += n;