Tasmota/sonoff/xdrv_29_deepsleep.ino

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/*
xdrv_29_deepsleep.ino - DeepSleep support for Sonoff-Tasmota
Copyright (C) 2019 Stefan Bode
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef USE_DEEPSLEEP
/*********************************************************************************************\
* DeepSleep Support
\*********************************************************************************************/
#define XDRV_29 29
#define MAX_DEEPSLEEP_CYCLE 3600 // Maximum time for a deepsleep
#define MIN_DEEPSLEEP_TIME 5
#define D_PRFX_DEEPSLEEP "DeepSleep"
#define D_CMND_DEEPSLEEP_TIME "Time"
const char kDeepsleepCommands[] PROGMEM = D_PRFX_DEEPSLEEP "|"
D_CMND_DEEPSLEEP_TIME ;
void (* const DeepsleepCommand[])(void) PROGMEM = {
&CmndDeepsleepTime };
const char JSON_DEEPSLEEP[] PROGMEM = "\"" D_PRFX_DEEPSLEEP "%d\":{\"Time\":%d}";
void DeepSleepInit(void)
{
if (pin[GPIO_DEEPSLEEP] < 99) {
if (!digitalRead(pin[GPIO_DEEPSLEEP])) {
RtcSettings.ultradeepsleep = 0;
}
}
if ((RtcSettings.ultradeepsleep > MAX_DEEPSLEEP_CYCLE) && (RtcSettings.ultradeepsleep < 1700000000)) {
RtcSettings.ultradeepsleep = RtcSettings.ultradeepsleep - MAX_DEEPSLEEP_CYCLE;
RtcReboot.fast_reboot_count = 0;
RtcRebootSave();
AddLog_P2(LOG_LEVEL_ERROR, PSTR("DSL: Remain DeepSleep %d"), RtcSettings.ultradeepsleep);
RtcSettingsSave();
ESP.deepSleep(100 * RtcSettings.deepsleep_slip * (MAX_DEEPSLEEP_CYCLE < RtcSettings.ultradeepsleep ? MAX_DEEPSLEEP_CYCLE : RtcSettings.ultradeepsleep), WAKE_RF_DEFAULT);
yield();
}
RtcSettings.ultradeepsleep = 0;
}
void CheckForDeepsleep(void)
{
uint8_t disable_deepsleep_switch = 0;
if (pin[GPIO_DEEPSLEEP] < 99) {
disable_deepsleep_switch = !digitalRead(pin[GPIO_DEEPSLEEP]);
}
// new function AFTER_TELEPERIOD can take some time therefore <2
if ((Settings.deepsleep > 10) && (Settings.deepsleep < 4294967295) && !disable_deepsleep_switch && (tele_period < 2) && prep_called) {
SettingsSaveAll();
// deepsleep_slip is ideally 10.000 == 100%
// typically the device has up to 4% slip. Anything else is a wrong setting in the deepsleep_slip
// therefore all values >110% or <90% will be resetted to 100% to avoid crazy sleep times.
// This should normally never executed, but can happen an manual wakeup and problems during wakeup
if ((RtcSettings.nextwakeup == 0) || (RtcSettings.deepsleep_slip < 9000) || (RtcSettings.deepsleep_slip > 11000) || (RtcSettings.nextwakeup > (UtcTime() + Settings.deepsleep))) {
AddLog_P2(LOG_LEVEL_ERROR, PSTR("DSL: Reset wrong settings wakeup: %ld, slip %ld"), RtcSettings.nextwakeup, RtcSettings.deepsleep_slip );
RtcSettings.nextwakeup = 0;
RtcSettings.deepsleep_slip = 10000;
// AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("new settings wakeup: %ld, slip %ld"), RtcSettings.nextwakeup, RtcSettings.deepsleep_slip );
}
// timeslip in 0.1 seconds between the real wakeup and the calculated wakeup
// because deepsleep is in second and timeslip in 0.1 sec the compare always check if the slip is in the 10% range
int16_t timeslip = (int16_t)(RtcSettings.nextwakeup+millis()/1000-UtcTime())*10;
// AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("DSL: Timeslip 0.1 sec:? %d < %d < %ld"), -Settings.deepsleep, timeslip, Settings.deepsleep );
//allow 10% of deepsleep error to count as valid deepsleep; expecting 3-4%
// if more then 10% timeslip = 0 == non valid wakeup; maybe manual
timeslip = (timeslip < -(int32_t)Settings.deepsleep) ? 0 : (timeslip > (int32_t)Settings.deepsleep) ? 0 : 1;
// AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("DSL: Normal deepsleep? %d"), timeslip );
if (timeslip) {
RtcSettings.deepsleep_slip = (Settings.deepsleep + RtcSettings.nextwakeup-UtcTime()) * RtcSettings.deepsleep_slip / (Settings.deepsleep - (millis() / 1000));
//Avoid crazy numbers. Again maximum 10% deviation.
// AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("DSL: %% calculate drift %ld"), RtcSettings.deepsleep_slip );
RtcSettings.deepsleep_slip = tmin(tmax(RtcSettings.deepsleep_slip, 9000),11000);
// AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("DSL: %% new drift %ld"), RtcSettings.deepsleep_slip );
RtcSettings.nextwakeup += Settings.deepsleep;
}
// it may happen that wakeup in just <5 seconds in future
// in this case also add deepsleep to nextwakeup
if (RtcSettings.nextwakeup <= (UtcTime() - MIN_DEEPSLEEP_TIME)) {
// ensure nextwakeup is at least in the future
RtcSettings.nextwakeup += (((UtcTime() + MIN_DEEPSLEEP_TIME - RtcSettings.nextwakeup) / Settings.deepsleep) + 1) * Settings.deepsleep;
}
String dt = GetDT(RtcSettings.nextwakeup + LocalTime() - UtcTime()); // 2017-03-07T11:08:02
// AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("DSL: Next wakeup %s"), (char*)dt.c_str());
//limit sleeptime to MAX_DEEPSLEEP_CYCLE
//uint32_t sleeptime = MAX_DEEPSLEEP_CYCLE < (RtcSettings.nextwakeup - UtcTime()) ? (uint32_t)MAX_DEEPSLEEP_CYCLE : RtcSettings.nextwakeup - UtcTime();
uint32_t sleeptime = tmin((uint32_t)MAX_DEEPSLEEP_CYCLE , RtcSettings.nextwakeup - UtcTime());
Response_P(PSTR("{\"" D_PRFX_DEEPSLEEP "\":{\"" D_JSON_TIME "\":\"%s\",\"Epoch\":%d}}"), (char*)dt.c_str(), RtcSettings.nextwakeup);
MqttPublishPrefixTopic_P(RESULT_OR_STAT, PSTR(D_CMND_STATUS "1"), false);
Response_P(S_OFFLINE);
MqttPublishPrefixTopic_P(TELE, PSTR(D_LWT), true); // Offline or remove previous retained topic
yield();
MqttDisconnect();
RtcSettings.ultradeepsleep = RtcSettings.nextwakeup - UtcTime();
// AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("DSL: Sleeptime %d sec, deepsleep_slip %ld"), sleeptime, RtcSettings.deepsleep_slip);
RtcSettingsSave();
ESP.deepSleep(100 * RtcSettings.deepsleep_slip * sleeptime);
yield();
}
prep_called = false;
}
/*********************************************************************************************\
* Commands
\*********************************************************************************************/
void CmndDeepsleepTime(void)
{
// if ((XdrvMailbox.payload == 0) || ((XdrvMailbox.payload > 10) && (XdrvMailbox.payload < 4294967295))) {
if ((XdrvMailbox.payload == 0) || ((XdrvMailbox.payload > 10) && (XdrvMailbox.payload < (24 * 60 * 60)))) { // Allow max 24 hours sleep
Settings.deepsleep = XdrvMailbox.payload;
RtcSettings.nextwakeup = 0;
}
Response_P(S_JSON_COMMAND_NVALUE, XdrvMailbox.command, Settings.deepsleep);
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv29(uint8_t function)
{
bool result = false;
switch (function) {
case FUNC_AFTER_TELEPERIOD:
CheckForDeepsleep();
break;
case FUNC_COMMAND:
result = DecodeCommand(kDeepsleepCommands, DeepsleepCommand);
break;
case FUNC_PRE_INIT:
DeepSleepInit();
break;
}
return result;
}
#endif //USE_DEEPSLEEP