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TM: Optimize temp_model_set_lag 

Save about 20 bytes by rewriting the sample count check
This commit is contained in:
Yuri D'Elia 2023-01-28 14:30:09 +01:00 committed by DRracer
parent b676d395e3
commit ddf5147f9f
1 changed files with 8 additions and 7 deletions
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15
Firmware/temperature.cpp
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@ -2545,15 +2545,16 @@ void temp_model_set_warn_beep(bool enabled)
static void temp_model_set_lag(uint16_t ms) static void temp_model_set_lag(uint16_t ms)
{ {
static const uint16_t intv_ms = (uint16_t)(TEMP_MGR_INTV * 1000); static const uint16_t intv_ms = (uint16_t)(TEMP_MGR_INTV * 1000);
temp_model::data.L = ((ms + intv_ms/2) / intv_ms) * intv_ms; uint16_t samples = ((ms + intv_ms/2) / intv_ms);
// ensure there is at least one lag sample for filtering // ensure we do not exceed the maximum lag buffer and have at least one lag sample for filtering
if(temp_model::data.L < intv_ms) if(samples < 1)
temp_model::data.L = intv_ms; samples = 1;
else if(samples > TEMP_MODEL_MAX_LAG_SIZE)
samples = TEMP_MODEL_MAX_LAG_SIZE;
// do not exceed the maximum lag buffer // round back to ms
if(temp_model::data.L > (intv_ms * TEMP_MODEL_MAX_LAG_SIZE)) temp_model::data.L = samples * intv_ms;
temp_model::data.L = intv_ms * TEMP_MODEL_MAX_LAG_SIZE;
} }
void temp_model_set_params(float P, float U, float V, float C, float D, int16_t L, float Ta_corr, float warn, float err) void temp_model_set_params(float P, float U, float V, float C, float D, int16_t L, float Ta_corr, float warn, float err)