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Saturate IIR filter output to int16_t.

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Jared Boone 2015-12-28 16:33:26 -08:00
parent 7ec1a1f85b
commit 8453741252
1 changed files with 3 additions and 1 deletions
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4
firmware/baseband/dsp_iir.hpp
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@ -45,7 +45,9 @@ public:
void execute(buffer_s16_t buffer_in, buffer_s16_t buffer_out) { void execute(buffer_s16_t buffer_in, buffer_s16_t buffer_out) {
// TODO: Assert that buffer_out.count == buffer_in.count. // TODO: Assert that buffer_out.count == buffer_in.count.
for(size_t i=0; i<buffer_out.count; i++) { for(size_t i=0; i<buffer_out.count; i++) {
buffer_out.p[i] = execute_sample(buffer_in.p[i]); const int32_t output_sample = execute_sample(buffer_in.p[i]);
const int32_t output_sample_saturated = __SSAT(output_sample, 16);
buffer_out.p[i] = output_sample_saturated;
} }
} }