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#305 adjust for Pi5 test

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This commit is contained in:
mstroh76
2025-01-10 19:26:05 +01:00
parent 7d37d158e0
commit 527b6af8b1
1 changed files with 14 additions and 3 deletions
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17
wiringPi/test/wiringpi_test7_bench.c
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@@ -15,6 +15,7 @@ float fExpectTimedigitalWrite = 1/10;
float fExpectTimedigitalRead = 1/5;
float fExpectTimepinMode = 1/4;
float fWriteReadDelayFactor = 1.77;
float fWriteReadFactor = 2.0;
int GPIO = 19;
int GPIOIN = 26;
int RaspberryPiModel = -1;
@@ -44,7 +45,7 @@ int main (void) {
piBoardId(&RaspberryPiModel, &rev, &mem, &maker, &overVolted);
CheckNotSame("Model: ", RaspberryPiModel, -1);
if (!piBoard40Pin()) {
GPIO = 23;
GPIO = 23;
GPIOIN = 24;
}
@@ -56,12 +57,14 @@ int main (void) {
case PI_MODEL_CM:
ToggleValue /= 7;
fExpectTimedigitalWrite = 1/(3.8*2); //MHz;
fExpectTimedigitalRead = fExpectTimedigitalWrite*fWriteReadFactor;
fExpectTimepinMode = 1/(1.5*2);
break;
case PI_MODEL_ZERO:
case PI_MODEL_ZERO_W: //ARM=1000MHz: 4.8/2.0
ToggleValue /= 5;
fExpectTimedigitalWrite = 1/(4.8*2); //MHz;
fExpectTimedigitalRead = fExpectTimedigitalWrite*fWriteReadFactor;
fExpectTimepinMode = 1/(2.0*2);
break;
case PI_MODEL_2:
@@ -81,16 +84,19 @@ int main (void) {
case PI_MODEL_CM4S:
ToggleValue = ToggleValue;
fExpectTimedigitalWrite = 1/(2*24.5); //MHz;
fExpectTimedigitalRead = fExpectTimedigitalWrite*fWriteReadFactor;
fExpectTimepinMode = 1/(2*4.1);
break;
case PI_MODEL_5:
ToggleValue = ToggleValue*0.8;
fExpectTimedigitalWrite = 1/(2*20.0); //MHz;
fWriteReadFactor = 13;
fExpectTimedigitalRead = fExpectTimedigitalWrite*fWriteReadFactor;
fExpectTimepinMode = 1/(2*2.5);
fWriteReadDelayFactor = 3.2;
break;
}
fExpectTimedigitalRead = fExpectTimedigitalWrite*2;
@@ -111,7 +117,7 @@ int main (void) {
digitalWrite(GPIO, LOW);
pinMode(GPIOIN, INPUT);
ToggleValue /=2;
ToggleValue /=(fExpectTimedigitalRead/fExpectTimedigitalWrite);
printf("\n");
printf("% 3d million times digitalRead ...\n", ToggleValue/1000000);
gettimeofday(&t1, NULL);
@@ -161,6 +167,11 @@ int main (void) {
double elapsedTime = (t2.tv_sec-t1.tv_sec)+(t2.tv_usec-t1.tv_usec)/1000000.0;
double fTimePerOperation = elapsedTime*1000000.0/ToggleValue/2;
CheckSameFloat("Write <=> Read delay factor", fTimePerOperation/(fExpectTimedigitalWrite+fExpectTimedigitalRead), fWriteReadDelayFactor, 0.2);
if (RaspberryPiModel==PI_MODEL_5) {
printf("Rasperry Pi 5:\n");
printf(" * digitalRead has very slow speed, much higher then digitalWrite, factor %f.1 (typical ~2.0)\n", fWriteReadFactor);
printf(" * Toggle read/write operation has very slow speed, factor %f.1 (typical ~1.77) to single operation time\n", fWriteReadDelayFactor);
}
digitalWrite(GPIO, LOW);
pinMode(GPIO, INPUT);