6663b6c9
 adorian
projet complet av...
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#include <ion.h>
#include "battery.h"
#include "device.h"
#include "display.h"
#include "keyboard.h"
#include "led.h"
#include "usb.h"
#include "wakeup.h"
#include "regs/regs.h"
void Ion::Power::suspend(bool checkIfPowerKeyReleased) {
bool isLEDActive = Ion::LED::getColor() != KDColorBlack;
if (checkIfPowerKeyReleased) {
/* Wait until power is released to avoid restarting just after suspending */
bool isPowerDown = true;
while (isPowerDown) {
Keyboard::State scan = Keyboard::scan();
isPowerDown = scan.keyDown(Keyboard::Key::B2);
}
}
Device::shutdownPeripherals(isLEDActive);
PWR.CR()->setLPDS(true); // Turn the regulator off. Takes longer to wake up.
PWR.CR()->setFPDS(true); // Put the flash to sleep. Takes longer to wake up.
CM4.SCR()->setSLEEPDEEP(!isLEDActive);
while (1) {
#if EPSILON_LED_WHILE_CHARGING
/* Update LEDS
* if the standby mode was stopped due to a "stop charging" event, we wait
* a while to be sure that the plug state of the USB is up-to-date. */
msleep(200);
//Ion::LED::setCharging(Ion::USB::isPlugged(), Ion::Battery::isCharging());
#endif
WakeUp::Device::onPowerKeyDown();
WakeUp::Device::onUSBPlugging();
#if EPSILON_LED_WHILE_CHARGING
WakeUp::Device::onChargingEvent();
#endif
Device::shutdownClocks(isLEDActive);
/* To enter sleep, we need to issue a WFE instruction, which waits for the
* event flag to be set and then clears it. However, the event flag might
* already be on. So the safest way to make sure we actually wait for a new
* event is to force the event flag to on (SEV instruction), use a first WFE
* to clear it, and then a second WFE to wait for a _new_ event. */
asm("sev");
asm("wfe");
asm("nop");
asm("wfe");
Device::initClocks();
Keyboard::Device::init();
Keyboard::State scan = Keyboard::scan();
Keyboard::Device::shutdown();
Ion::Keyboard::State OnlyPowerKeyDown = Keyboard::State(Keyboard::Key::B2);
if (scan == OnlyPowerKeyDown || USB::isPlugged()) {
// Wake up
break;
}
}
Device::initClocks();
Device::initPeripherals();
}
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