williamp/osmocom-analog
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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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6
src/nmt/dsp.c
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@@ -512,7 +512,7 @@ int fsk_render_frame(nmt_t *nmt, const char *frame, int length, int16_t *sample)
for (i = 0; i < length; i++) {
bit = (frame[i] == '1');
do {
*sample++ = dsp_tone_bit[polarity][bit][((uint8_t)phase) & 0xff];
*sample++ = dsp_tone_bit[polarity][bit][(uint8_t)phase];
count++;
phase += phaseshift;
} while (phase < 256.0);
@@ -586,7 +586,7 @@ static void super_encode(nmt_t *nmt, int16_t *samples, int length)
for (i = 0; i < length; i++) {
sample = *samples;
sample += dsp_sine_super[((uint8_t)phase) & 0xff];
sample += dsp_sine_super[(uint8_t)phase];
if (sample > 32767)
sample = 32767;
else if (sample < -32767)
@@ -610,7 +610,7 @@ static void dial_tone(nmt_t *nmt, int16_t *samples, int length)
phase = nmt->dial_phase256;
for (i = 0; i < length; i++) {
*samples++ = dsp_sine_dialtone[((uint8_t)phase) & 0xff];
*samples++ = dsp_sine_dialtone[(uint8_t)phase];
phase += phaseshift;
if (phase >= 256)
phase -= 256;