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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) 2021 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/>.
*/
/*
Below is the Pyhton3 code to decompress IR comact format.
======================================================================
import re
def ir_expand(ir_compact):
count = ir_compact.count(',') # number of occurence of comma
if count > 1:
return "Unsupported format"
if count == 1:
ir_compact = input.split(',')[1] # if 1 comma, skip the frequency
arr = re.findall("(\d+|[A-Za-z])", ir_compact)
comp_table = [] # compression history table
arr2 = [] # output
for elt in arr:
if len(elt) == 1:
c = ord(elt.upper()) - ord('A')
if c >= len(arr): return "Error index undefined"
arr2.append(comp_table[c])
else:
comp_table.append(elt)
arr2.append(elt)
out = ",".join(arr2)
return out
======================================================================
*/
#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>
#include <IRutils.h>
// Receiving IR while sending at the same time (i.e. receiving your own signal) was dsiabled in #10041
// At the demand of @pilaGit, you can `#define IR_RCV_WHILE_SENDING 1` to bring back this behavior
#ifndef IR_RCV_WHILE_SENDING
#define IR_RCV_WHILE_SENDING 0
#endif
enum IrErrors { IE_NO_ERROR, IE_INVALID_RAWDATA, IE_INVALID_JSON, IE_SYNTAX_IRSEND, IE_PROTO_UNSUPPORTED };
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 };
char* ulltoa(unsigned long long value, char *str, int radix)
{
char digits[64];
char *dst = str;
int i = 0;
// if (radix < 2 || radix > 36) { radix = 10; }
do {
int n = value % radix;
digits[i++] = (n < 10) ? (char)n+'0' : (char)n-10+'A';
value /= radix;
} while (value != 0);
while (i > 0) { *dst++ = digits[--i]; }
*dst = 0;
return str;
}
char* Uint64toHex(uint64_t value, char *str, uint16_t bits)
{
ulltoa(value, str, 16); // Get 64bit value
int fill = 8;
if ((bits > 3) && (bits < 65)) {
fill = bits / 4; // Max 16
if (bits % 4) { fill++; }
}
int len = strlen(str);
fill -= len;
if (fill > 0) {
memmove(str + fill, str, len +1);
memset(str, '0', fill);
}
return str;
}
/*********************************************************************************************\
* Class used to make a compact IR Raw format.
*
* We round timings to the closest 10ms value,
* and store up to last 26 values with seen.
* A value already seen is encoded with a letter indicating the position in the table.
\*********************************************************************************************/
class IRRawTable {
public:
IRRawTable() : timings() {} // zero initialize the array
int32_t getTimingForLetter(uint8_t l) const {
l = toupper(l);
if ((l < 'A') || (l > 'Z')) { return -1; }
return timings[l - 'A'];
}
uint8_t findOrAdd(uint16_t t) {
if (0 == t) { return 0; }
for (uint32_t i=0; i<26; i++) {
if (timings[i] == t) { return i + 'A'; }
if (timings[i] == 0) { timings[i] = t; break; } // add new value
}
return 0; // not found
}
void add(uint16_t t) {
if (0 == t) { return; }
for (uint32_t i=0; i<26; i++) {
if (timings[i] == 0) { timings[i] = t; break; } // add new value
}
}
protected:
uint16_t timings[26];
};
// 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;
void IrSendInit(void)
{
irsend = new IRsend(Pin(GPIO_IRSEND), IR_SEND_INVERTED, IR_SEND_USE_MODULATION); // 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(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(LOG_LEVEL_DEBUG, PSTR(D_LOG_IRR "RawLen %d, Overflow %d, Bits %d, Value 0x%s, Decode %d"),
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 (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);
}
IRRawTable raw_table;
bool prev_number = false; // was the previous value a number, meaning we may need a comma prefix
bool ir_high = true; // alternate high/low
// Add raw data in a compact format
if (Settings.flag3.receive_raw) { // SetOption58 - Add IR Raw data to JSON message
ResponseAppend_P(PSTR(",\"" D_JSON_IR_RAWDATA "\":\""));
size_t rawlen = results.rawlen;
uint32_t i;
for (i = 1; i < rawlen; i++) {
// round to closest 10ms
uint32_t raw_val_millis = results.rawbuf[i] * kRawTick;
uint16_t raw_dms = (raw_val_millis*2 + 5) / 10; // in 5 micro sec steps
// look if the data is already seen
uint8_t letter = raw_table.findOrAdd(raw_dms);
if (letter) {
if (!ir_high) { letter = tolower(letter); }
ResponseAppend_P(PSTR("%c"), letter);
prev_number = false;
} else {
// number
ResponseAppend_P(PSTR("%c%d"), ir_high ? '+' : '-', (uint32_t)raw_dms * 5);
prev_number = true;
}
ir_high = !ir_high;
if (strlen(TasmotaGlobal.mqtt_data) > sizeof(TasmotaGlobal.mqtt_data) - 40) { break; } // Quit if char string becomes too long
}
uint16_t extended_length = getCorrectedRawLength(&results);
ResponseAppend_P(PSTR("\",\"" D_JSON_IR_RAWDATA "Info\":[%d,%d,%d]"), extended_length, i -1, results.overflow);
}
ResponseJsonEndEnd();
MqttPublishPrefixTopicRulesProcess_P(RESULT_OR_TELE, PSTR(D_JSON_IRRECEIVED));
#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)
{
// IRsend { "protocol": "RC5", "bits": 12, "data":"0xC86" }
// IRsend { "protocol": "SAMSUNG", "bits": 32, "data": 551502015 }
RemoveSpace(XdrvMailbox.data); // TODO is this really needed?
JsonParser parser(XdrvMailbox.data);
JsonParserObject root = parser.getRootObject();
if (!root) { return IE_INVALID_JSON; }
// IRsend { "protocol": "SAMSUNG", "bits": 32, "data": 551502015 }
// IRsend { "protocol": "NEC", "bits": 32, "data":"0x02FDFE80", "repeat": 2 }
const char *protocol = root.getStr(PSTR(D_JSON_IR_PROTOCOL), "");
uint16_t bits = root.getUInt(PSTR(D_JSON_IR_BITS), 0);
uint64_t data = root.getULong(PSTR(D_JSON_IR_DATA), 0);
uint16_t repeat = root.getUInt(PSTR(D_JSON_IR_REPEAT), 0);
// 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(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);
#ifdef USE_IR_RECEIVE
if (!IR_RCV_WHILE_SENDING && (irrecv != nullptr)) { irrecv->disableIRIn(); }
#endif // USE_IR_RECEIVE
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:
#ifdef USE_IR_RECEIVE
if (!IR_RCV_WHILE_SENDING && (irrecv != nullptr)) { irrecv->enableIRIn(); }
#endif // USE_IR_RECEIVE
return IE_PROTO_UNSUPPORTED;
}
#ifdef USE_IR_RECEIVE
if (!IR_RCV_WHILE_SENDING && (irrecv != nullptr)) { irrecv->enableIRIn(); }
#endif // USE_IR_RECEIVE
return IE_NO_ERROR;
}
void CmndIrSend(void)
{
uint8_t error = IE_SYNTAX_IRSEND;
if (XdrvMailbox.data_len) {
if (strchr(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_PROTO_UNSUPPORTED:
ResponseCmndChar(D_JSON_PROTOCOL_NOT_SUPPORTED);
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
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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