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#305 support for CM5(L) and Pi500

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mstroh76
2025-01-30 17:58:15 +01:00
parent 6b54152805
commit 6b500e49cf
1 changed files with 16 additions and 9 deletions
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25
wiringPi/test/wiringpi_test7_bench.c
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@@ -88,11 +88,18 @@ int main (void) {
fExpectTimepinMode = 0.121; //us
fWriteReadDelayFactor = 1.86;
break;
case PI_MODEL_5:
fExpectTimedigitalWrite = 0.025; //us
fExpectTimedigitalRead = 0.323; //us
fExpectTimepinMode = 0.200; //us
fWriteReadDelayFactor = 3.2;
default:
if (piRP1Model()) {
// So far expect all Pi5 / RP1 hardware has same performance
printf("Raspberry Pi with RP1 chip found\n");
fExpectTimedigitalWrite = 0.025; //us
fExpectTimedigitalRead = 0.323; //us
fExpectTimepinMode = 0.200; //us
fWriteReadDelayFactor = 3.2;
} else {
printf("Unknown Raspberry Pi found, exit\n");
return(EXIT_FAILURE);
}
break;
}
fWriteReadFactor = fExpectTimedigitalRead/fExpectTimedigitalWrite;
@@ -123,7 +130,7 @@ int main (void) {
gettimeofday(&t2, NULL);
double OpTimeRead = ReportElapedTime("digitalRead", 2, fExpectTimedigitalRead, t1, t2);
if (RaspberryPiModel!=PI_MODEL_5) {
if (!piRP1Model()) {
ToggleValue /= 4;
} else {
ToggleValue *= 1.5;
@@ -148,7 +155,7 @@ int main (void) {
gettimeofday(&t2, NULL);
ReportElapedTime("pinMode and digitalWrite", 2, fExpectTimepinMode+fExpectTimedigitalWrite, t1, t2);
if (RaspberryPiModel!=PI_MODEL_5) {
if (!piRP1Model()) {
ToggleValue *= 1.5;
} else {
ToggleValue /= 5;
@@ -168,8 +175,8 @@ int main (void) {
printf("\n");
CheckSameFloat("digitalWrite vs. digitalRead factor", OpTimeRead/OpTimeWrite, fWriteReadFactor, 0.3);
CheckSameFloat("digitalWrite and digitalRead alternating factor", fTimePerOperation/(fExpectTimedigitalWrite+fExpectTimedigitalRead), fWriteReadDelayFactor, 0.2);
if (RaspberryPiModel==PI_MODEL_5) {
printf("\nRasperry Pi 5:\n");
if (piRP1Model()) {
printf("\nRasperry Pi with RP1 chip:\n");
printf(" * digitalRead has very slow speed, much slower then digitalWrite, factor %.1f (typical Pi4 ~1.9)\n", fWriteReadFactor);
printf(" * Alternating read/write operation has slow speed, factor %.2f (typical Pi4 ~1.86) to single operation time\n", fWriteReadDelayFactor);
}