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11 changes: 10 additions & 1 deletion cores/esp8266/Esp.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -107,13 +107,22 @@ void EspClass::wdtFeed(void)

extern "C" void esp_yield();

void EspClass::deepSleep(uint32_t time_us, WakeMode mode)
void EspClass::deepSleep(uint64_t time_us, WakeMode mode)
{
system_deep_sleep_set_option(static_cast<int>(mode));
system_deep_sleep(time_us);
esp_yield();
}

//this calculation was taken verbatim from the SDK api reference for SDK 2.1.0.
//Note: system_rtc_clock_cali_proc() returns a uint32_t, even though system_deep_sleep() takes a uint64_t.
uint64_t EspClass::deepSleepMax()
{
//cali*(2^31-1)/(2^12)
return (uint64_t)system_rtc_clock_cali_proc()*(0x80000000-1)/(0x1000);

}

bool EspClass::rtcUserMemoryRead(uint32_t offset, uint32_t *data, size_t size)
{
if (size + offset > 512) {
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3 changes: 2 additions & 1 deletion cores/esp8266/Esp.h
Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,8 @@ class EspClass {
void wdtDisable();
void wdtFeed();

void deepSleep(uint32_t time_us, RFMode mode = RF_DEFAULT);
void deepSleep(uint64_t time_us, RFMode mode = RF_DEFAULT);
uint64_t deepSleepMax();

bool rtcUserMemoryRead(uint32_t offset, uint32_t *data, size_t size);
bool rtcUserMemoryWrite(uint32_t offset, uint32_t *data, size_t size);
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