mirror of https://github.com/arendst/Tasmota.git
259 lines
7.8 KiB
C++
259 lines
7.8 KiB
C++
/*
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xsns_01_counter.ino - Counter sensors (water meters, electricity meters etc.) sensor support for Tasmota
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Copyright (C) 2020 Maarten Damen and Theo Arends
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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_COUNTER
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/*********************************************************************************************\
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* Counter sensors (water meters, electricity meters etc.)
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\*********************************************************************************************/
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#define XSNS_01 1
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#define D_PRFX_COUNTER "Counter"
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#define D_CMND_COUNTERTYPE "Type"
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#define D_CMND_COUNTERDEBOUNCE "Debounce"
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const char kCounterCommands[] PROGMEM = D_PRFX_COUNTER "|" // Prefix
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"|" D_CMND_COUNTERTYPE "|" D_CMND_COUNTERDEBOUNCE ;
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void (* const CounterCommand[])(void) PROGMEM = {
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&CmndCounter, &CmndCounterType, &CmndCounterDebounce };
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struct COUNTER {
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uint32_t timer[MAX_COUNTERS]; // Last counter time in micro seconds
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uint8_t no_pullup = 0; // Counter input pullup flag (1 = No pullup)
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bool any_counter = false;
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} Counter;
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#ifndef ARDUINO_ESP8266_RELEASE_2_3_0 // Fix core 2.5.x ISR not in IRAM Exception
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void CounterUpdate(uint8_t index) ICACHE_RAM_ATTR;
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void CounterUpdate1(void) ICACHE_RAM_ATTR;
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void CounterUpdate2(void) ICACHE_RAM_ATTR;
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void CounterUpdate3(void) ICACHE_RAM_ATTR;
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void CounterUpdate4(void) ICACHE_RAM_ATTR;
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#endif // ARDUINO_ESP8266_RELEASE_2_3_0
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void CounterUpdate(uint8_t index)
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{
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uint32_t time = micros();
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uint32_t debounce_time = time - Counter.timer[index];
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if (debounce_time > Settings.pulse_counter_debounce * 1000) {
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Counter.timer[index] = time;
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if (bitRead(Settings.pulse_counter_type, index)) {
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RtcSettings.pulse_counter[index] = debounce_time;
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} else {
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RtcSettings.pulse_counter[index]++;
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}
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}
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}
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void CounterUpdate1(void)
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{
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CounterUpdate(0);
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}
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void CounterUpdate2(void)
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{
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CounterUpdate(1);
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}
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void CounterUpdate3(void)
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{
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CounterUpdate(2);
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}
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void CounterUpdate4(void)
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{
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CounterUpdate(3);
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}
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/********************************************************************************************/
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bool CounterPinState(void)
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{
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if ((XdrvMailbox.index >= GPIO_CNTR1_NP) && (XdrvMailbox.index < (GPIO_CNTR1_NP + MAX_COUNTERS))) {
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bitSet(Counter.no_pullup, XdrvMailbox.index - GPIO_CNTR1_NP);
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XdrvMailbox.index -= (GPIO_CNTR1_NP - GPIO_CNTR1);
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return true;
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}
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return false;
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}
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void CounterInit(void)
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{
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typedef void (*function) () ;
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function counter_callbacks[] = { CounterUpdate1, CounterUpdate2, CounterUpdate3, CounterUpdate4 };
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for (uint32_t i = 0; i < MAX_COUNTERS; i++) {
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if (pin[GPIO_CNTR1 +i] < 99) {
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Counter.any_counter = true;
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pinMode(pin[GPIO_CNTR1 +i], bitRead(Counter.no_pullup, i) ? INPUT : INPUT_PULLUP);
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attachInterrupt(pin[GPIO_CNTR1 +i], counter_callbacks[i], FALLING);
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}
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}
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}
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void CounterEverySecond(void)
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{
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for (uint32_t i = 0; i < MAX_COUNTERS; i++) {
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if (pin[GPIO_CNTR1 +i] < 99) {
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if (bitRead(Settings.pulse_counter_type, i)) {
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uint32_t time = micros() - Counter.timer[i];
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if (time > 4200000000) { // 70 minutes
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RtcSettings.pulse_counter[i] = 4200000000; // Set Timer to max in case of no more interrupts due to stall of measured device
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}
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}
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}
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}
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}
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void CounterSaveState(void)
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{
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for (uint32_t i = 0; i < MAX_COUNTERS; i++) {
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if (pin[GPIO_CNTR1 +i] < 99) {
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Settings.pulse_counter[i] = RtcSettings.pulse_counter[i];
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}
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}
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}
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void CounterShow(bool json)
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{
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bool header = false;
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uint8_t dsxflg = 0;
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for (uint32_t i = 0; i < MAX_COUNTERS; i++) {
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if (pin[GPIO_CNTR1 +i] < 99) {
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char counter[33];
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if (bitRead(Settings.pulse_counter_type, i)) {
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dtostrfd((double)RtcSettings.pulse_counter[i] / 1000000, 6, counter);
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} else {
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dsxflg++;
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snprintf_P(counter, sizeof(counter), PSTR("%lu"), RtcSettings.pulse_counter[i]);
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}
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if (json) {
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if (!header) {
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ResponseAppend_P(PSTR(",\"COUNTER\":{"));
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}
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ResponseAppend_P(PSTR("%s\"C%d\":%s"), (header)?",":"", i +1, counter);
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header = true;
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#ifdef USE_DOMOTICZ
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if ((0 == tele_period) && (1 == dsxflg)) {
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DomoticzSensor(DZ_COUNT, RtcSettings.pulse_counter[i]);
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dsxflg++;
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}
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#endif // USE_DOMOTICZ
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if ((0 == tele_period ) && (Settings.flag3.counter_reset_on_tele)) {
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RtcSettings.pulse_counter[i] = 0;
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}
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#ifdef USE_WEBSERVER
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} else {
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WSContentSend_PD(PSTR("{s}" D_COUNTER "%d{m}%s%s{e}"),
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i +1, counter, (bitRead(Settings.pulse_counter_type, i)) ? " " D_UNIT_SECOND : "");
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#endif // USE_WEBSERVER
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}
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}
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}
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if (header) {
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ResponseJsonEnd();
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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 CmndCounter(void)
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{
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if ((XdrvMailbox.index > 0) && (XdrvMailbox.index <= MAX_COUNTERS)) {
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if ((XdrvMailbox.data_len > 0) && (pin[GPIO_CNTR1 + XdrvMailbox.index -1] < 99)) {
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if ((XdrvMailbox.data[0] == '-') || (XdrvMailbox.data[0] == '+')) {
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RtcSettings.pulse_counter[XdrvMailbox.index -1] += XdrvMailbox.payload;
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Settings.pulse_counter[XdrvMailbox.index -1] += XdrvMailbox.payload;
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} else {
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RtcSettings.pulse_counter[XdrvMailbox.index -1] = XdrvMailbox.payload;
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Settings.pulse_counter[XdrvMailbox.index -1] = XdrvMailbox.payload;
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}
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}
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ResponseCmndIdxNumber(RtcSettings.pulse_counter[XdrvMailbox.index -1]);
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}
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}
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void CmndCounterType(void)
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{
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if ((XdrvMailbox.index > 0) && (XdrvMailbox.index <= MAX_COUNTERS)) {
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if ((XdrvMailbox.payload >= 0) && (XdrvMailbox.payload <= 1) && (pin[GPIO_CNTR1 + XdrvMailbox.index -1] < 99)) {
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bitWrite(Settings.pulse_counter_type, XdrvMailbox.index -1, XdrvMailbox.payload &1);
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RtcSettings.pulse_counter[XdrvMailbox.index -1] = 0;
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Settings.pulse_counter[XdrvMailbox.index -1] = 0;
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}
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ResponseCmndIdxNumber(bitRead(Settings.pulse_counter_type, XdrvMailbox.index -1));
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}
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}
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void CmndCounterDebounce(void)
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{
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if ((XdrvMailbox.payload >= 0) && (XdrvMailbox.payload < 32001)) {
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Settings.pulse_counter_debounce = XdrvMailbox.payload;
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}
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ResponseCmndNumber(Settings.pulse_counter_debounce);
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}
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xsns01(uint8_t function)
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{
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bool result = false;
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if (Counter.any_counter) {
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switch (function) {
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case FUNC_EVERY_SECOND:
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CounterEverySecond();
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break;
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case FUNC_JSON_APPEND:
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CounterShow(1);
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break;
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#ifdef USE_WEBSERVER
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case FUNC_WEB_SENSOR:
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CounterShow(0);
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break;
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#endif // USE_WEBSERVER
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case FUNC_SAVE_BEFORE_RESTART:
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case FUNC_SAVE_AT_MIDNIGHT:
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CounterSaveState();
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break;
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case FUNC_COMMAND:
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result = DecodeCommand(kCounterCommands, CounterCommand);
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break;
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}
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} else {
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switch (function) {
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case FUNC_INIT:
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CounterInit();
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break;
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case FUNC_PIN_STATE:
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result = CounterPinState();
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break;
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}
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}
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return result;
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}
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#endif // USE_COUNTER
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