arduino/ArduinoLowPower
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[SAMD] fix RTC wakeup and FALLING/RISING on pin

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This commit is contained in:
Martino Facchin 2016-11-03 16:52:43 +01:00
parent e159ecf46f
commit 60dedcc4b0
2 changed files with 7 additions and 4 deletions
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7
src/ArduinoLowPower.cpp
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@ -43,14 +43,13 @@ void ArduinoLowPowerClass::setAlarmIn(uint32_t millis) {
uint32_t now = rtc.getEpoch();
rtc.setAlarmEpoch(now + millis/1000);
rtc.enableAlarm(rtc.MATCH_YYMMDDHHMMSS);
rtc.enableAlarm(rtc.MATCH_HHMMSS);
}
void ArduinoLowPowerClass::attachInterruptWakeup(uint32_t pin, voidFuncPtr callback, uint32_t mode) {
if (pin > PINS_COUNT) {
// check for external wakeup sources
// only enables the wakeup bit, no callback
// RTC library should call this API to enable the alarm subsystem
switch (pin) {
case RTC_ALARM_WAKEUP:
@ -65,9 +64,9 @@ void ArduinoLowPowerClass::attachInterruptWakeup(uint32_t pin, voidFuncPtr callb
if (in == NOT_AN_INTERRUPT || in == EXTERNAL_INT_NMI)
return;
pinMode(pin, INPUT_PULLUP);
attachInterrupt(pin, callback, mode);
#if 0
// enable EIC clock
GCLK->CLKCTRL.bit.CLKEN = 0; //disable GCLK module
while (GCLK->STATUS.bit.SYNCBUSY);
@ -80,13 +79,13 @@ void ArduinoLowPowerClass::attachInterruptWakeup(uint32_t pin, voidFuncPtr callb
GCLK->GENCTRL.bit.RUNSTDBY = 1; //GCLK6 run standby
while (GCLK->STATUS.reg & GCLK_STATUS_SYNCBUSY);
#endif
// Enable wakeup capability on pin in case being used during sleep
EIC->WAKEUP.reg |= (1 << in);
/* Errata: Make sure that the Flash does not power all the way down
* when in sleep mode. */
NVMCTRL->CTRLB.bit.SLEEPPRM = NVMCTRL_CTRLB_SLEEPPRM_DISABLED_Val;
}

4
src/ArduinoLowPower.h
View File

@ -3,6 +3,10 @@
#include <Arduino.h>
#ifdef ARDUINO_ARCH_AVR
#error The library is not compatible with AVR boards
#endif
#ifdef ARDUINO_ARCH_SAMD
#include "RTCZero.h"
#endif