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[SAMD] Disable USB on standby()

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This commit is contained in:
Martino Facchin 2017-07-13 17:01:03 +02:00
parent 5456a1f698
commit 8cf4c737dd
1 changed files with 10 additions and 1 deletions
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11
src/samd/ArduinoLowPower.cpp
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@ -16,10 +16,19 @@ void ArduinoLowPowerClass::idle(uint32_t millis) {
} }
void ArduinoLowPowerClass::sleep() { void ArduinoLowPowerClass::sleep() {
USBDevice.standby(); bool restoreUSBDevice = false;
if (SerialUSB) {
USBDevice.standby();
} else {
USBDevice.detach();
restoreUSBDevice = true;
}
SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk; SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
__DSB(); __DSB();
__WFI(); __WFI();
if (restoreUSBDevice) {
USBDevice.attach();
}
} }
void ArduinoLowPowerClass::sleep(uint32_t millis) { void ArduinoLowPowerClass::sleep(uint32_t millis) {