AXP2101Watchdog.cpp

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#include "../../../SensorBuildOpt.h"
#if !SENSORLIB_EXCLUDE_PMIC_AXP2101
 
#include "AXP2101Watchdog.hpp"
#include "AXP2101Regs.hpp"
 
 
AXP2101Watchdog::AXP2101Watchdog(AXP2101Core &core) : _core(core)
{
}
 
bool AXP2101Watchdog::enableWatchdog(bool enable)
{
    return _core.enableModule(AXP2101Core::Module::WATCHDOG, enable);
}
 
bool AXP2101Watchdog::isWatchdogEnabled() const
{
    return _core.isModuleEnabled(AXP2101Core::Module::WATCHDOG);
}
 
bool AXP2101Watchdog::setWatchdogTimeout(uint16_t timeout_s)
{
    uint8_t val;
    switch (timeout_s) {
    case 1:   val = 0; break;
    case 2:   val = 1; break;
    case 4:   val = 2; break;
    case 8:   val = 3; break;
    case 16:  val = 4; break;
    case 32:  val = 5; break;
    case 64:  val = 6; break;
    case 128: val = 7; break;
    default: return false;
    }
    return _core.updateBits(axp2101_regs::ctrl::WDT_CTRL, 0x07, val) >= 0;
}
 
uint16_t AXP2101Watchdog::getWatchdogTimeout() const
{
    int val = _core.readReg(axp2101_regs::ctrl::WDT_CTRL);
    if (val < 0) return 0;
    const uint16_t timeouts[] = {1, 2, 4, 8, 16, 32, 64, 128};
    uint8_t idx = val & 0x07;
    if (idx >= 8) return 0;
    return timeouts[idx];
}
 
bool AXP2101Watchdog::resetWatchdog()
{
    return _core.setRegBit(axp2101_regs::ctrl::WDT_CTRL, 3);
}
 
#endif