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HAL_SetDigitalPWMRate(): Use same logic as LabView. (#794)

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Peter Johnson
2017-12-01 10:26:40 -08:00
committed by GitHub
parent 7867e906e9
commit e3a2abdf97
1 changed files with 2 additions and 4 deletions
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6
hal/src/main/native/athena/DIO.cpp
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@@ -179,10 +179,8 @@ void HAL_SetDigitalPWMRate(double rate, int32_t* status) {
// TODO: Round in the linear rate domain.
initializeDigital(status);
if (*status != 0) return;
uint8_t pwmPeriodPower = static_cast<uint8_t>(
std::log(1.0 / (pwmSystem->readLoopTiming(status) * 0.25E-6 * rate)) /
std::log(2.0) +
0.5);
uint16_t pwmPeriodPower = static_cast<uint16_t>(
std::log(1.0 / (16 * 1.0E-6 * rate)) / std::log(2.0) + 0.5);
digitalSystem->writePWMPeriodPower(pwmPeriodPower, status);
}