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low hanging performance fruit (#969)

This commit is contained in:
Matthew Kennedy 2019-10-08 17:44:59 -07:00 committed by rusefi
parent 4574aaccce
commit 9c2dd10734
2 changed files with 8 additions and 11 deletions
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13
firmware/hw_layer/adc_inputs.cpp
View File

@ -459,30 +459,27 @@ static void adc_callback_slow(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
(void) buffer; (void) buffer;
(void) n; (void) n;
slowAdc.invalidateSamplesCache();
efiAssertVoid(CUSTOM_ERR_6671, getCurrentRemainingStack() > 128, "lowstck#9c");
/* Note, only in the ADC_COMPLETE state because the ADC driver fires /* Note, only in the ADC_COMPLETE state because the ADC driver fires
* an intermediate callback when the buffer is half full. */ * an intermediate callback when the buffer is half full. */
if (adcp->state == ADC_COMPLETE) { if (adcp->state == ADC_COMPLETE) {
slowAdc.invalidateSamplesCache();
efiAssertVoid(CUSTOM_ERR_6671, getCurrentRemainingStack() > 128, "lowstck#9c");
/* Calculates the average values from the ADC samples.*/ /* Calculates the average values from the ADC samples.*/
for (int i = 0; i < slowAdc.size(); i++) { for (int i = 0; i < slowAdc.size(); i++) {
int value = getAvgAdcValue(i, slowAdc.samples, ADC_BUF_DEPTH_SLOW, slowAdc.size()); int value = getAvgAdcValue(i, slowAdc.samples, ADC_BUF_DEPTH_SLOW, slowAdc.size());
adcsample_t prev = slowAdc.values.adc_data[i]; adcsample_t prev = slowAdc.values.adc_data[i];
float result = (slowAdcCounter == 0) ? value : float result = (slowAdcCounter == 0) ? value :
CONFIG(slowAdcAlpha) * value + (1 - CONFIG(slowAdcAlpha)) * prev; CONFIG(slowAdcAlpha) * value + (1 - CONFIG(slowAdcAlpha)) * prev;
// if (slowAdcCounter == 0) {
// biq[i].initValue(value);
// }
// float result = biq[i].getValue(value);
slowAdc.values.adc_data[i] = (int)result; slowAdc.values.adc_data[i] = (int)result;
} }
slowAdcCounter++; slowAdcCounter++;
}
AdcSubscription::UpdateSubscribers(); AdcSubscription::UpdateSubscribers();
} }
}
static char errorMsgBuff[_MAX_FILLER + 2]; static char errorMsgBuff[_MAX_FILLER + 2];

4
firmware/hw_layer/hardware.cpp
View File

@ -195,8 +195,6 @@ extern AdcDevice fastAdc;
* This method is not in the adc* lower-level file because it is more business logic then hardware. * This method is not in the adc* lower-level file because it is more business logic then hardware.
*/ */
void adc_callback_fast(ADCDriver *adcp, adcsample_t *buffer, size_t n) { void adc_callback_fast(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
fastAdc.invalidateSamplesCache();
(void) buffer; (void) buffer;
(void) n; (void) n;
/** /**
@ -204,6 +202,8 @@ void adc_callback_fast(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
* intermediate callback when the buffer is half full. * intermediate callback when the buffer is half full.
* */ * */
if (adcp->state == ADC_COMPLETE) { if (adcp->state == ADC_COMPLETE) {
fastAdc.invalidateSamplesCache();
/** /**
* this callback is executed 10 000 times a second, it needs to be as fast as possible * this callback is executed 10 000 times a second, it needs to be as fast as possible
*/ */