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authorAndreas Eversberg <jolly@eversberg.eu>2017-01-24 07:59:09 +0100
committerAndreas Eversberg <jolly@eversberg.eu>2017-02-18 21:01:06 +0100
commit538a9591285bdc2604c5e05c06e4b2d776f4bdf9 (patch)
tree0eb989f5e8cd8490b5a4d46f55a3e2fbfd227f75 /src/amps/dsp.c
parent23a42aeb2c96058e5450805a8ce2d1955e09abd5 (diff)
Indexing tables by casting index to unsigned integer only
Diffstat (limited to 'src/amps/dsp.c')
-rw-r--r--src/amps/dsp.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/amps/dsp.c b/src/amps/dsp.c
index 7fcabcc..1a1e3d1 100644
--- a/src/amps/dsp.c
+++ b/src/amps/dsp.c
@@ -316,7 +316,7 @@ static int fsk_encode(amps_t *amps, char bit)
if ((last & 1)) {
/* last bit was 1, this bit is 1, so we ramp down first */
do {
- *spl++ = ramp_down[(int)phase];
+ *spl++ = ramp_down[(uint8_t)phase];
phase += bitstep;
} while (phase < 256.0);
phase -= 256.0;
@@ -330,7 +330,7 @@ static int fsk_encode(amps_t *amps, char bit)
}
/* ramp up */
do {
- *spl++ = ramp_up[(int)phase];
+ *spl++ = ramp_up[(uint8_t)phase];
phase += bitstep;
} while (phase < 256.0);
phase -= 256.0;
@@ -345,14 +345,14 @@ static int fsk_encode(amps_t *amps, char bit)
} else {
/* last bit was 0, this bit is 0, so we ramp up first */
do {
- *spl++ = ramp_up[(int)phase];
+ *spl++ = ramp_up[(uint8_t)phase];
phase += bitstep;
} while (phase < 256.0);
phase -= 256.0;
}
/* ramp down */
do {
- *spl++ = ramp_down[(int)phase];
+ *spl++ = ramp_down[(uint8_t)phase];
phase += bitstep;
} while (phase < 256.0);
phase -= 256.0;
@@ -441,7 +441,7 @@ static void sat_encode(amps_t *amps, int16_t *samples, int length)
for (i = 0; i < length; i++) {
sample = *samples;
- sample += dsp_sine_sat[((uint8_t)phase) & 0xff];
+ sample += dsp_sine_sat[(uint8_t)phase];
if (sample > 32767)
sample = 32767;
else if (sample < -32767)
@@ -464,7 +464,7 @@ static void test_tone_encode(amps_t *amps, int16_t *samples, int length)
phase = amps->test_phase256;
for (i = 0; i < length; i++) {
- *samples++ = dsp_sine_test[((uint8_t)phase) & 0xff];
+ *samples++ = dsp_sine_test[(uint8_t)phase];
phase += phaseshift;
if (phase >= 256)
phase -= 256;