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Tasmota/tasmota/xdrv_05_irremote.ino

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/*
xdrv_05_irremote.ino - infra red support for Tasmota
Copyright (C) 2020 Heiko Krupp, Lazar Obradovic and Theo Arends
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/>.
*/
#if defined(USE_IR_REMOTE) && !defined(USE_IR_REMOTE_FULL)
/*********************************************************************************************\
* IR Remote send and receive using IRremoteESP8266 library
\*********************************************************************************************/
#define XDRV_05 5
#include <IRremoteESP8266.h>
enum IrErrors { IE_NO_ERROR, IE_INVALID_RAWDATA, IE_INVALID_JSON, IE_SYNTAX_IRSEND };
const char kIrRemoteCommands[] PROGMEM = "|" D_CMND_IRSEND ;
// Keep below IrRemoteCommand lines exactly as below as otherwise Arduino IDE prototyping will fail (#6982)
void (* const IrRemoteCommand[])(void) PROGMEM = {
&CmndIrSend };
// Based on IRremoteESP8266.h enum decode_type_t
static const uint8_t MAX_STANDARD_IR = NEC; // this is the last code mapped to decode_type_t
const char kIrRemoteProtocols[] PROGMEM = "UNKNOWN|RC5|RC6|NEC";
/*********************************************************************************************\
* IR Send
\*********************************************************************************************/
#include <IRsend.h>
IRsend *irsend = nullptr;
bool irsend_active = false;
void IrSendInit(void)
{
irsend = new IRsend(Pin(GPIO_IRSEND)); // an IR led is at GPIO_IRSEND
irsend->begin();
}
#ifdef USE_IR_RECEIVE
/*********************************************************************************************\
* IR Receive
\*********************************************************************************************/
const bool IR_RCV_SAVE_BUFFER = false; // false = do not use buffer, true = use buffer for decoding
const uint32_t IR_TIME_AVOID_DUPLICATE = 500; // Milliseconds
#include <IRrecv.h>
IRrecv *irrecv = nullptr;
unsigned long ir_lasttime = 0;
void IrReceiveUpdateThreshold(void)
{
if (irrecv != nullptr) {
if (Settings.param[P_IR_UNKNOW_THRESHOLD] < 6) { Settings.param[P_IR_UNKNOW_THRESHOLD] = 6; }
irrecv->setUnknownThreshold(Settings.param[P_IR_UNKNOW_THRESHOLD]);
}
}
void IrReceiveInit(void)
{
// an IR led is at GPIO_IRRECV
irrecv = new IRrecv(Pin(GPIO_IRRECV), IR_RCV_BUFFER_SIZE, IR_RCV_TIMEOUT, IR_RCV_SAVE_BUFFER);
irrecv->setUnknownThreshold(Settings.param[P_IR_UNKNOW_THRESHOLD]);
irrecv->enableIRIn(); // Start the receiver
// AddLog_P(LOG_LEVEL_DEBUG, PSTR("IrReceive initialized"));
}
void IrReceiveCheck(void)
{
char sirtype[8]; // Max is UNKNOWN
int8_t iridx = 0;
decode_results results;
if (irrecv->decode(&results)) {
char hvalue[65]; // Max 256 bits
iridx = results.decode_type;
if ((iridx < 0) || (iridx > MAX_STANDARD_IR)) { iridx = 0; } // UNKNOWN
if (iridx) {
if (results.bits > 64) {
// This emulates IRutils resultToHexidecimal and may needs a larger IR_RCV_BUFFER_SIZE
uint32_t digits2 = results.bits / 8;
if (results.bits % 8) { digits2++; }
ToHex_P((unsigned char*)results.state, digits2, hvalue, sizeof(hvalue)); // Get n-bit value as hex 56341200
} else {
Uint64toHex(results.value, hvalue, results.bits); // Get 64bit value as hex 00123456
}
} else {
Uint64toHex(results.value, hvalue, 32); // UNKNOWN is always 32 bits hash
}
AddLog_P2(LOG_LEVEL_DEBUG, PSTR(D_LOG_IRR "Echo %d, RawLen %d, Overflow %d, Bits %d, Value 0x%s, Decode %d"),
irsend_active, results.rawlen, results.overflow, results.bits, hvalue, results.decode_type);
unsigned long now = millis();
// if ((now - ir_lasttime > IR_TIME_AVOID_DUPLICATE) && (UNKNOWN != results.decode_type) && (results.bits > 0)) {
if (!irsend_active && (now - ir_lasttime > IR_TIME_AVOID_DUPLICATE)) {
ir_lasttime = now;
char svalue[64];
if (Settings.flag.ir_receive_decimal) { // SetOption29 - IR receive data format
ulltoa(results.value, svalue, 10);
} else {
snprintf_P(svalue, sizeof(svalue), PSTR("\"0x%s\""), hvalue);
}
ResponseTime_P(PSTR(",\"" D_JSON_IRRECEIVED "\":{\"" D_JSON_IR_PROTOCOL "\":\"%s\",\"" D_JSON_IR_BITS "\":%d"),
GetTextIndexed(sirtype, sizeof(sirtype), iridx, kIrRemoteProtocols), results.bits);
if (iridx) {
ResponseAppend_P(PSTR(",\"" D_JSON_IR_DATA "\":%s"), svalue);
} else {
ResponseAppend_P(PSTR(",\"" D_JSON_IR_HASH "\":%s"), svalue);
}
if (Settings.flag3.receive_raw) { // SetOption58 - Add IR Raw data to JSON message
ResponseAppend_P(PSTR(",\"" D_JSON_IR_RAWDATA "\":["));
uint16_t i;
for (i = 1; i < results.rawlen; i++) {
if (i > 1) { ResponseAppend_P(PSTR(",")); }
uint32_t usecs;
for (usecs = results.rawbuf[i] * kRawTick; usecs > UINT16_MAX; usecs -= UINT16_MAX) {
ResponseAppend_P(PSTR("%d,0,"), UINT16_MAX);
}
ResponseAppend_P(PSTR("%d"), usecs);
if (strlen(mqtt_data) > sizeof(mqtt_data) - 40) { break; } // Quit if char string becomes too long
}
uint16_t extended_length = results.rawlen - 1;
for (uint32_t j = 0; j < results.rawlen - 1; j++) {
uint32_t usecs = results.rawbuf[j] * kRawTick;
// Add two extra entries for multiple larger than UINT16_MAX it is.
extended_length += (usecs / (UINT16_MAX + 1)) * 2;
}
ResponseAppend_P(PSTR("],\"" D_JSON_IR_RAWDATA "Info\":[%d,%d,%d]"), extended_length, i -1, results.overflow);
}
ResponseJsonEndEnd();
MqttPublishPrefixTopic_P(RESULT_OR_TELE, PSTR(D_JSON_IRRECEIVED));
XdrvRulesProcess();
#ifdef USE_DOMOTICZ
if (iridx) {
unsigned long value = results.value | (iridx << 28); // [Protocol:4, Data:28]
DomoticzSensor(DZ_COUNT, value); // Send data as Domoticz Counter value
}
#endif // USE_DOMOTICZ
}
irrecv->resume();
}
}
#endif // USE_IR_RECEIVE
/*********************************************************************************************\
* Commands
\*********************************************************************************************/
uint32_t IrRemoteCmndIrSendJson(void)
{
// ArduinoJSON entry used to calculate jsonBuf: JSON_OBJECT_SIZE(3) + 40 = 96
// IRsend { "protocol": "RC5", "bits": 12, "data":"0xC86" }
// IRsend { "protocol": "SAMSUNG", "bits": 32, "data": 551502015 }
char dataBufUc[XdrvMailbox.data_len + 1];
UpperCase(dataBufUc, XdrvMailbox.data);
RemoveSpace(dataBufUc);
if (strlen(dataBufUc) < 8) {
return IE_INVALID_JSON;
}
StaticJsonBuffer<140> jsonBuf;
JsonObject &root = jsonBuf.parseObject(dataBufUc);
if (!root.success()) {
return IE_INVALID_JSON;
}
// IRsend { "protocol": "SAMSUNG", "bits": 32, "data": 551502015 }
// IRsend { "protocol": "NEC", "bits": 32, "data":"0x02FDFE80", "repeat": 2 }
char parm_uc[10];
const char *protocol = root[UpperCase_P(parm_uc, PSTR(D_JSON_IR_PROTOCOL))];
uint16_t bits = root[UpperCase_P(parm_uc, PSTR(D_JSON_IR_BITS))];
uint64_t data = strtoull(root[UpperCase_P(parm_uc, PSTR(D_JSON_IR_DATA))], nullptr, 0);
uint16_t repeat = root[UpperCase_P(parm_uc, PSTR(D_JSON_IR_REPEAT))];
// check if the IRSend<x> is great than repeat
if (XdrvMailbox.index > repeat + 1) {
repeat = XdrvMailbox.index - 1;
}
if (!(protocol && bits)) {
return IE_SYNTAX_IRSEND;
}
char protocol_text[20];
int protocol_code = GetCommandCode(protocol_text, sizeof(protocol_text), protocol, kIrRemoteProtocols);
char dvalue[64];
char hvalue[20];
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("IRS: protocol_text %s, protocol %s, bits %d, data %s (0x%s), repeat %d, protocol_code %d"),
protocol_text, protocol, bits, ulltoa(data, dvalue, 10), Uint64toHex(data, hvalue, bits), repeat, protocol_code);
irsend_active = true;
switch (protocol_code) { // Equals IRremoteESP8266.h enum decode_type_t
#ifdef USE_IR_SEND_RC5
case RC5:
irsend->sendRC5(data, bits, repeat); break;
#endif
#ifdef USE_IR_SEND_RC6
case RC6:
irsend->sendRC6(data, bits, repeat); break;
#endif
#ifdef USE_IR_SEND_NEC
case NEC:
irsend->sendNEC(data, (bits > NEC_BITS) ? NEC_BITS : bits, repeat); break;
#endif
default:
irsend_active = false;
ResponseCmndChar(D_JSON_PROTOCOL_NOT_SUPPORTED);
}
return IE_NO_ERROR;
}
void CmndIrSend(void)
{
uint8_t error = IE_SYNTAX_IRSEND;
if (XdrvMailbox.data_len) {
// error = (strstr(XdrvMailbox.data, "{") == nullptr) ? IrRemoteCmndIrSendRaw() : IrRemoteCmndIrSendJson();
if (strstr(XdrvMailbox.data, "{") == nullptr) {
error = IE_INVALID_JSON;
} else {
error = IrRemoteCmndIrSendJson();
}
}
IrRemoteCmndResponse(error);
}
void IrRemoteCmndResponse(uint32_t error)
{
switch (error) {
case IE_INVALID_RAWDATA:
ResponseCmndChar_P(PSTR(D_JSON_INVALID_RAWDATA));
break;
case IE_INVALID_JSON:
ResponseCmndChar_P(PSTR(D_JSON_INVALID_JSON));
break;
case IE_SYNTAX_IRSEND:
Response_P(PSTR("{\"" D_CMND_IRSEND "\":\"" D_JSON_NO " " D_JSON_IR_PROTOCOL ", " D_JSON_IR_BITS " " D_JSON_OR " " D_JSON_IR_DATA "\"}"));
break;
default: // IE_NO_ERROR
ResponseCmndDone();
}
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv05(uint8_t function)
{
bool result = false;
if (PinUsed(GPIO_IRSEND) || PinUsed(GPIO_IRRECV)) {
switch (function) {
case FUNC_PRE_INIT:
if (PinUsed(GPIO_IRSEND)) {
IrSendInit();
}
#ifdef USE_IR_RECEIVE
if (PinUsed(GPIO_IRRECV)) {
IrReceiveInit();
}
#endif // USE_IR_RECEIVE
break;
case FUNC_EVERY_50_MSECOND:
#ifdef USE_IR_RECEIVE
if (PinUsed(GPIO_IRRECV)) {
IrReceiveCheck(); // check if there's anything on IR side
}
#endif // USE_IR_RECEIVE
irsend_active = false; // re-enable IR reception
break;
case FUNC_COMMAND:
if (PinUsed(GPIO_IRSEND)) {
result = DecodeCommand(kIrRemoteCommands, IrRemoteCommand);
}
break;
}
}
return result;
}
#endif // defined(USE_IR_REMOTE) && !defined(USE_IR_REMOTE_FULL)
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