61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
|
#include <mdk/nrf52.h>
|
||
|
|
#include <mdk/nrf52_bitfields.h>
|
||
|
|
#include <nrf_soc.h>
|
||
|
|
#include "Watchdog.h"
|
||
|
|
using namespace Pinetime::Drivers;
|
||
|
|
|
||
|
|
|
||
|
|
void Watchdog::Setup(uint8_t timeoutSeconds) {
|
||
|
|
NRF_WDT->CONFIG &= ~(WDT_CONFIG_SLEEP_Msk << WDT_CONFIG_SLEEP_Pos);
|
||
|
|
NRF_WDT->CONFIG |= (WDT_CONFIG_HALT_Run << WDT_CONFIG_SLEEP_Pos);
|
||
|
|
|
||
|
|
NRF_WDT->CONFIG &= ~(WDT_CONFIG_HALT_Msk << WDT_CONFIG_HALT_Pos);
|
||
|
|
NRF_WDT->CONFIG |= (WDT_CONFIG_HALT_Pause << WDT_CONFIG_HALT_Pos);
|
||
|
|
|
||
|
|
/* timeout (s) = (CRV + 1) / 32768 */
|
||
|
|
// JF : 7500 = 7.5s
|
||
|
|
uint32_t crv = (((timeoutSeconds*1000u) << 15u) / 1000) - 1;
|
||
|
|
NRF_WDT->CRV = crv;
|
||
|
|
|
||
|
|
/* Enable reload requests */
|
||
|
|
NRF_WDT->RREN = (WDT_RREN_RR0_Enabled << WDT_RREN_RR0_Pos);
|
||
|
|
}
|
||
|
|
|
||
|
|
void Watchdog::Start() {
|
||
|
|
NRF_WDT->TASKS_START = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Watchdog::Kick() {
|
||
|
|
NRF_WDT->RR[0] = WDT_RR_RR_Reload;
|
||
|
|
}
|
||
|
|
|
||
|
|
Watchdog::ResetReasons Watchdog::ResetReason() {
|
||
|
|
uint32_t resetReason;
|
||
|
|
sd_power_reset_reason_get(&resetReason);
|
||
|
|
sd_power_reset_reason_clr(0xFFFFFFFF);
|
||
|
|
if(resetReason & 0x01) return ResetReasons::ResetPin;
|
||
|
|
if((resetReason >> 1) & 0x01) return ResetReasons::Watchdog;
|
||
|
|
if((resetReason >> 2) & 0x01) return ResetReasons::SoftReset;
|
||
|
|
if((resetReason >> 3) & 0x01) return ResetReasons::CpuLockup;
|
||
|
|
if((resetReason >> 16) & 0x01) return ResetReasons::SystemOff;
|
||
|
|
if((resetReason >> 17) & 0x01) return ResetReasons::LpComp;
|
||
|
|
if((resetReason >> 18) & 0x01) return ResetReasons::DebugInterface;
|
||
|
|
if((resetReason >> 19) & 0x01) return ResetReasons::NFC;
|
||
|
|
return ResetReasons::HardReset;
|
||
|
|
}
|
||
|
|
|
||
|
|
const char *Watchdog::ResetReasonToString(Watchdog::ResetReasons reason) {
|
||
|
|
switch(reason) {
|
||
|
|
case ResetReasons::ResetPin: return "Reset pin";
|
||
|
|
case ResetReasons::Watchdog: return "Watchdog";
|
||
|
|
case ResetReasons::DebugInterface: return "Debug interface";
|
||
|
|
case ResetReasons::LpComp: return "LPCOMP";
|
||
|
|
case ResetReasons::SystemOff: return "System OFF";
|
||
|
|
case ResetReasons::CpuLockup: return "CPU Lock-up";
|
||
|
|
case ResetReasons::SoftReset: return "Soft reset";
|
||
|
|
case ResetReasons::NFC: return "NFC";
|
||
|
|
case ResetReasons::HardReset: return "Hard reset";
|
||
|
|
default: return "Unknown";
|
||
|
|
}
|
||
|
|
}
|