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Indexing tables by casting index to unsigned integer only

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This commit is contained in:
Andreas Eversberg
2017-01-24 07:59:09 +01:00
parent 23a42aeb2c
commit 538a959128
5 changed files with 33 additions and 33 deletions
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4
src/bnetz/dsp.c
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@@ -317,7 +317,7 @@ static void fsk_tone(bnetz_t *bnetz, int16_t *samples, int length, int tone)
phaseshift = bnetz->phaseshift256[tone];
for (i = 0; i < length; i++) {
*samples++ = dsp_sine[((uint8_t)phase) & 0xff];
*samples++ = dsp_sine[(uint8_t)phase];
phase += phaseshift;
if (phase >= 256)
phase -= 256;
@@ -351,7 +351,7 @@ next_telegramm:
for (i = 0; i < 16; i++) {
phaseshift = bnetz->phaseshift256[telegramm[i] == '1'];
for (j = 0; j < bnetz->samples_per_bit; j++) {
*spl++ = dsp_sine[((uint8_t)phase) & 0xff];
*spl++ = dsp_sine[(uint8_t)phase];
phase += phaseshift;
if (phase >= 256)
phase -= 256;