mirror of https://github.com/arendst/Tasmota.git
105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
/*
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xdrv_32_hotplug.ino - HotPlug support for sensors
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Copyright (C) 2021 Leonid Myravjev
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_HOTPLUG
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/*********************************************************************************************\
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* HotPlug Support
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*
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* - Rescan bus every N seconds. It send FUNC_HOTPLUG_SCAN event to every sensors.
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* - If HotPlug is 0 or 0xFF -- HotPlug is off
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\*********************************************************************************************/
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#define XDRV_32 32
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const uint32_t HOTPLUG_MAX = 254; // 0 and 0xFF is OFF
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const char kHotPlugCommands[] PROGMEM = "|" // No prefix
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D_CMND_HOTPLUG;
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void (* const HotPlugCommand[])(void) PROGMEM = {
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&CmndHotPlugTime };
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struct {
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// uint32_t sleeptime = 0;
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bool enabled = false;
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uint8_t timeout = 0;
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} Hotplug;
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void HotPlugInit(void)
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{
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// If empty eeprom is 0xFF by default
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if (Settings->hotplug_scan == 0xFF) { Settings->hotplug_scan = 0; }
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if (Settings->hotplug_scan != 0) {
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Hotplug.enabled = true;
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Hotplug.timeout = 1; // First scan in a second
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} else
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Hotplug.enabled = false;
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}
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void HotPlugEverySecond(void)
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{
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if (Hotplug.enabled) {
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if (Hotplug.timeout == 0) {
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XsnsCall(FUNC_HOTPLUG_SCAN);
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Hotplug.timeout = Settings->hotplug_scan;
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}
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Hotplug.timeout--;
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}
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}
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/*********************************************************************************************\
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* Commands
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\*********************************************************************************************/
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void CmndHotPlugTime(void)
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{
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if (XdrvMailbox.payload <= HOTPLUG_MAX) {
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Settings->hotplug_scan = XdrvMailbox.payload;
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HotPlugInit();
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}
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ResponseCmndNumber(Settings->hotplug_scan);
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xdrv32(uint32_t function)
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{
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bool result = false;
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switch (function) {
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case FUNC_EVERY_SECOND:
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HotPlugEverySecond();
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break;
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case FUNC_COMMAND:
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result = DecodeCommand(kHotPlugCommands, HotPlugCommand);
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break;
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case FUNC_PRE_INIT:
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HotPlugInit();
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break;
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case FUNC_ACTIVE:
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result = true;
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break;
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}
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return result;
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}
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#endif //USE_HOTPLUG
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