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_P165_SerSwitch.ino
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//############################# Plugin 165: Serial MCU controlled switch v1.8 ###########################
//
// Designed for TUYA/YEWELINK Wifi Touch Light switch with ESP8266 + PIC16F1829 MCU,
// the similar Sonoff Dual MCU controlled Wifi relay and LCTECH WIFI RELAY is also supported.
// Based on P020 Ser2Net and P001 Switch.
//
// Dummy device (Switch) can be used to control relays, one device per relay and/or rules Publish command
// for example.
// Support thread: https://www.letscontrolit.com/forum/viewtopic.php?f=6&t=3245
//
//#######################################################################################################
#define PLUGIN_165
#define PLUGIN_ID_165 165
#define PLUGIN_NAME_165 "Serial MCU controlled switch"
#define PLUGIN_VALUENAME1_165 "Relay0"
#define PLUGIN_VALUENAME2_165 "Relay1"
#define PLUGIN_VALUENAME3_165 "Relay2"
#define BUFFER_SIZE 100 // at least 3x33 byte serial buffer needed for Tuya
#define SER_SWITCH_YEWE 1
#define SER_SWITCH_SONOFFDUAL 2
#define SER_SWITCH_LCTECH 3
static byte Plugin_165_switchstate[3];
static byte Plugin_165_ostate[3];
byte Plugin_165_commandstate = 0; // 0:no,1:inprogress,2:finished
byte Plugin_165_type;
byte Plugin_165_numrelay = 1;
byte Plugin_165_ownindex;
byte Plugin_165_globalpar0;
byte Plugin_165_globalpar1;
byte Plugin_165_cmddbl = false;
boolean Plugin_165_init = false;
boolean Plugin_165(byte function, struct EventStruct *event, String& string)
{
boolean success = false;
switch (function)
{
case PLUGIN_DEVICE_ADD:
{
Device[++deviceCount].Number = PLUGIN_ID_165;
Device[deviceCount].Type = DEVICE_TYPE_DUMMY;
Device[deviceCount].VType = SENSOR_TYPE_TRIPLE;
Device[deviceCount].Ports = 0;
Device[deviceCount].PullUpOption = false;
Device[deviceCount].InverseLogicOption = false;
Device[deviceCount].FormulaOption = false;
Device[deviceCount].ValueCount = 3;
Device[deviceCount].SendDataOption = true;
Device[deviceCount].TimerOption = true;
Device[deviceCount].TimerOptional = true;
Device[deviceCount].GlobalSyncOption = true;
break;
}
case PLUGIN_GET_DEVICENAME:
{
string = F(PLUGIN_NAME_165);
break;
}
case PLUGIN_GET_DEVICEVALUENAMES:
{
strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[0], PSTR(PLUGIN_VALUENAME1_165));
strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[1], PSTR(PLUGIN_VALUENAME2_165));
strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[2], PSTR(PLUGIN_VALUENAME3_165));
success = true;
break;
}
case PLUGIN_WEBFORM_LOAD:
{
byte choice = Settings.TaskDevicePluginConfig[event->TaskIndex][0];
String options[3];
options[0] = F("Yewelink/TUYA");
options[1] = F("Sonoff Dual");
options[2] = F("LC TECH");
int optionValues[3];
optionValues[0] = SER_SWITCH_YEWE;
optionValues[1] = SER_SWITCH_SONOFFDUAL;
optionValues[2] = SER_SWITCH_LCTECH;
string += F("<TR><TD>Switch Type:<TD><select name='plugin_165_type'>");
for (byte x = 0; x < 3; x++)
{
string += F("<option value='");
string += optionValues[x];
string += "'";
if (choice == optionValues[x])
string += F(" selected");
string += ">";
string += options[x];
string += F("</option>");
}
string += F("</select>");
if (Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_YEWE)
{
choice = Settings.TaskDevicePluginConfig[event->TaskIndex][1];
byte buttonOptions[3];
buttonOptions[0] = 1;
buttonOptions[1] = 2;
buttonOptions[2] = 3;
string += F("<TR><TD>Number of relays:<TD><select name='plugin_165_button'>");
for (byte x = 0; x < 3; x++)
{
string += F("<option value='");
string += buttonOptions[x];
string += "'";
if (choice == buttonOptions[x])
string += F(" selected");
string += ">";
string += buttonOptions[x];
string += F("</option>");
}
string += F("</select>");
}
if (Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_SONOFFDUAL)
{
choice = Settings.TaskDevicePluginConfig[event->TaskIndex][1];
String modeoptions[3];
modeoptions[0] = F("Normal");
modeoptions[1] = F("Exclude/Blinds mode");
modeoptions[2] = F("Simultaneous mode");
string += F("<TR><TD>Relay working mode:<TD><select name='plugin_165_mode'>");
for (byte x = 0; x < 3; x++)
{
string += F("<option value='");
string += x;
string += "'";
if (choice == x)
string += F(" selected");
string += ">";
string += modeoptions[x];
string += F("</option>");
}
string += F("</select>");
}
if (Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_LCTECH)
{
choice = Settings.TaskDevicePluginConfig[event->TaskIndex][1];
byte buttonOptions[2];
buttonOptions[0] = 1;
buttonOptions[1] = 2;
string += F("<TR><TD>Number of relays:<TD><select name='plugin_165_button'>");
for (byte x = 0; x < 2; x++)
{
string += F("<option value='");
string += buttonOptions[x];
string += "'";
if (choice == buttonOptions[x])
string += F(" selected");
string += ">";
string += buttonOptions[x];
string += F("</option>");
}
string += F("</select>");
choice = Settings.TaskDevicePluginConfig[event->TaskIndex][2];
String speedOptions[8];
speedOptions[0] = F("9600");
speedOptions[1] = F("19200");
speedOptions[2] = F("115200");
speedOptions[3] = F("1200");
speedOptions[4] = F("2400");
speedOptions[5] = F("4800");
speedOptions[6] = F("38400");
speedOptions[7] = F("57600");
string += F("<TR><TD>Serial speed:<TD><select name='plugin_165_speed'>");
for (byte x = 0; x < 8; x++)
{
string += F("<option value='");
string += x;
string += "'";
if (choice == x)
string += F(" selected");
string += ">";
string += speedOptions[x];
string += F("</option>");
}
string += F("</select>");
string += F("<TR><TD>Use command doubling:<TD>");
if (Settings.TaskDevicePluginConfig[event->TaskIndex][3])
string += F("<input type=checkbox name=plugin_165_dbl checked>");
else
string += F("<input type=checkbox name=plugin_165_dbl>");
}
success = true;
break;
}
case PLUGIN_WEBFORM_SAVE:
{
String plugin1 = WebServer.arg("plugin_165_type");
Settings.TaskDevicePluginConfig[event->TaskIndex][0] = plugin1.toInt();
if (Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_YEWE)
{
String plugin2 = WebServer.arg("plugin_165_button");
Settings.TaskDevicePluginConfig[event->TaskIndex][1] = plugin2.toInt();
}
if (Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_SONOFFDUAL)
{
String plugin2 = WebServer.arg("plugin_165_mode");
Settings.TaskDevicePluginConfig[event->TaskIndex][1] = plugin2.toInt();
}
if (Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_LCTECH)
{
String plugin2 = WebServer.arg("plugin_165_button");
Settings.TaskDevicePluginConfig[event->TaskIndex][1] = plugin2.toInt();
String plugin3 = WebServer.arg("plugin_165_speed");
Settings.TaskDevicePluginConfig[event->TaskIndex][2] = plugin3.toInt();
String plugin4 = WebServer.arg("plugin_165_dbl");
Settings.TaskDevicePluginConfig[event->TaskIndex][3] = (plugin4 == "on");
Plugin_165_cmddbl = Settings.TaskDevicePluginConfig[event->TaskIndex][3];
}
Plugin_165_globalpar0 = Settings.TaskDevicePluginConfig[event->TaskIndex][0];
Plugin_165_globalpar1 = Settings.TaskDevicePluginConfig[event->TaskIndex][1];
success = true;
break;
}
case PLUGIN_INIT:
{
String log = "";
LoadTaskSettings(event->TaskIndex);
Plugin_165_ownindex = event->TaskIndex;
Serial.setDebugOutput(false);
Serial.setRxBufferSize(BUFFER_SIZE); // Arduino core for ESP8266 WiFi chip 2.4.0
log = F("SerSW : Init ");
if (Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_YEWE)
{
Plugin_165_numrelay = Settings.TaskDevicePluginConfig[event->TaskIndex][1];
Serial.begin(9600, SERIAL_8N1);
delay(1);
getmcustate(); // request status on startup
log += F(" Yewe ");
log += Plugin_165_numrelay;
log += F(" btn");
}
if (Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_SONOFFDUAL)
{
Plugin_165_numrelay = 3; // 3rd button is the "wifi" button
Serial.begin(19230, SERIAL_8N1);
log += F(" Sonoff Dual");
}
if (Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_LCTECH)
{
Plugin_165_numrelay = Settings.TaskDevicePluginConfig[event->TaskIndex][1];
Plugin_165_cmddbl = Settings.TaskDevicePluginConfig[event->TaskIndex][3];
unsigned long Plugin_165_speed = 9600;
switch (Settings.TaskDevicePluginConfig[event->TaskIndex][2]) {
case 1: {
Plugin_165_speed = 19200;
break;
}
case 2: {
Plugin_165_speed = 115200;
break;
}
case 3: {
Plugin_165_speed = 1200;
break;
}
case 4: {
Plugin_165_speed = 2400;
break;
}
case 5: {
Plugin_165_speed = 4800;
break;
}
case 6: {
Plugin_165_speed = 38400;
break;
}
case 7: {
Plugin_165_speed = 57600;
break;
}
}
Serial.begin(Plugin_165_speed, SERIAL_8N1);
log += F(" LCTech ");
log += Plugin_165_speed;
log += F(" baud ");
log += Plugin_165_numrelay;
log += F(" btn");
}
Plugin_165_globalpar0 = Settings.TaskDevicePluginConfig[event->TaskIndex][0];
Plugin_165_globalpar1 = Settings.TaskDevicePluginConfig[event->TaskIndex][1];
switch (Plugin_165_numrelay)
{
case 1:
Plugin_165_type = SENSOR_TYPE_SWITCH;
break;
case 2:
Plugin_165_type = SENSOR_TYPE_DUAL;
break;
case 3:
Plugin_165_type = SENSOR_TYPE_TRIPLE;
break;
case 4:
Plugin_165_type = SENSOR_TYPE_QUAD;
break;
}
addLog(LOG_LEVEL_INFO, log);
success = true;
Plugin_165_init = true;
break;
}
case PLUGIN_SERIAL_IN:
{
int bytes_read = 0;
byte serial_buf[BUFFER_SIZE];
String log;
if (Plugin_165_init)
{
while (Serial.available() > 0) {
yield();
if (bytes_read < BUFFER_SIZE) {
serial_buf[bytes_read] = Serial.read();
if (bytes_read == 0) { // packet start
Plugin_165_commandstate = 0;
switch (Settings.TaskDevicePluginConfig[event->TaskIndex][0])
{
case SER_SWITCH_YEWE: //decode first byte of package
{
if (serial_buf[bytes_read] == 0x55) {
Plugin_165_commandstate = 1;
}
break;
}
case SER_SWITCH_SONOFFDUAL: //decode first byte of package
{
if (serial_buf[bytes_read] == 0xA0) {
Plugin_165_commandstate = 1;
}
break;
}
}
} else {
if (Plugin_165_commandstate == 1) {
if (bytes_read == 1) { // check if packet is valid
switch (Settings.TaskDevicePluginConfig[event->TaskIndex][0])
{
case SER_SWITCH_YEWE:
{
if (serial_buf[bytes_read] != 0xAA) {
Plugin_165_commandstate = 0;
bytes_read = 0;
}
break;
}
case SER_SWITCH_SONOFFDUAL:
{
if ((serial_buf[bytes_read] != 0x04) && (serial_buf[bytes_read] != 0x00)) {
Plugin_165_commandstate = 0;
bytes_read = 0;
}
break;
}
}
}
if ( (bytes_read == 2) && (Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_SONOFFDUAL)) { // decode Sonoff Dual status changes
Plugin_165_ostate[0] = Plugin_165_switchstate[0]; Plugin_165_ostate[1] = Plugin_165_switchstate[1]; Plugin_165_ostate[2] = Plugin_165_switchstate[2];
Plugin_165_switchstate[0] = 0; Plugin_165_switchstate[1] = 0; Plugin_165_switchstate[2] = 0;
if ((serial_buf[bytes_read] & 1) == 1) {
Plugin_165_switchstate[0] = 1;
}
if ((serial_buf[bytes_read] & 2) == 2) {
Plugin_165_switchstate[1] = 1;
}
if ((serial_buf[bytes_read] & 4) == 4) {
Plugin_165_switchstate[2] = 1;
}
Plugin_165_commandstate = 2; bytes_read = 0;
if (Settings.TaskDevicePluginConfig[event->TaskIndex][1] == 1)
{ // exclusive on mode
if ((Plugin_165_ostate[0] == 1) && (Plugin_165_switchstate[1] == 1)) {
sendmcucommand(0, 0, Settings.TaskDevicePluginConfig[event->TaskIndex][0], Settings.TaskDevicePluginConfig[event->TaskIndex][1]);
Plugin_165_switchstate[0] = 0;
}
if ((Plugin_165_ostate[1] == 1) && (Plugin_165_switchstate[0] == 1)) {
sendmcucommand(1, 0, Settings.TaskDevicePluginConfig[event->TaskIndex][0], Settings.TaskDevicePluginConfig[event->TaskIndex][1]);
Plugin_165_switchstate[1] = 0;
}
}
if (Settings.TaskDevicePluginConfig[event->TaskIndex][1] == 2)
{ // simultaneous mode
if ((Plugin_165_ostate[0] + Plugin_165_switchstate[0]) == 1) {
sendmcucommand(1, Plugin_165_switchstate[0], Settings.TaskDevicePluginConfig[event->TaskIndex][0], Settings.TaskDevicePluginConfig[event->TaskIndex][1]);
Plugin_165_switchstate[1] = Plugin_165_switchstate[0];
} else {
if ((Plugin_165_ostate[1] + Plugin_165_switchstate[1]) == 1) {
sendmcucommand(0, Plugin_165_switchstate[1], Settings.TaskDevicePluginConfig[event->TaskIndex][0], Settings.TaskDevicePluginConfig[event->TaskIndex][1]);
Plugin_165_switchstate[0] = Plugin_165_switchstate[1];
}
}
}
log = F("SerSW : State ");
if (Plugin_165_ostate[0] != Plugin_165_switchstate[0]) {
UserVar[event->BaseVarIndex] = Plugin_165_switchstate[0];
log += F(" r0:");
log += Plugin_165_switchstate[0];
}
if (Plugin_165_ostate[1] != Plugin_165_switchstate[1]) {
UserVar[event->BaseVarIndex + 1] = Plugin_165_switchstate[1];
log += F(" r1:");
log += Plugin_165_switchstate[1];
}
if (Plugin_165_ostate[2] != Plugin_165_switchstate[2]) {
UserVar[event->BaseVarIndex + 2] = Plugin_165_switchstate[2];
log += F(" b2:");
log += Plugin_165_switchstate[1];
}
addLog(LOG_LEVEL_INFO, log);
if ( (Plugin_165_ostate[0] != Plugin_165_switchstate[0]) || (Plugin_165_ostate[1] != Plugin_165_switchstate[1]) || (Plugin_165_ostate[2] != Plugin_165_switchstate[2]) ) {
event->sensorType = Plugin_165_type;
sendData(event);
}
}
if (Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_YEWE) { // decode Tuya/Yewelink status report package
if ((bytes_read == 3) && (serial_buf[bytes_read] != 7))
{
Plugin_165_commandstate = 0; // command code 7 means status reporting, we do not need other packets
bytes_read = 0;
}
if (bytes_read == 10) {
byte btnnum = (serial_buf[6] - 1);
Plugin_165_ostate[btnnum] = Plugin_165_switchstate[btnnum];
Plugin_165_switchstate[btnnum] = serial_buf[10];
Plugin_165_commandstate = 2; bytes_read = 0;
if (Plugin_165_ostate[btnnum] != Plugin_165_switchstate[btnnum]) {
log = F("SerSW : State");
switch (btnnum) {
case 0: {
if (Plugin_165_numrelay > 0) {
UserVar[event->BaseVarIndex + btnnum] = Plugin_165_switchstate[btnnum];
log += F(" r0:");
log += Plugin_165_switchstate[btnnum];
}
break;
}
case 1: {
if (Plugin_165_numrelay > 1) {
UserVar[event->BaseVarIndex + btnnum] = Plugin_165_switchstate[btnnum];
log += F(" r1:");
log += Plugin_165_switchstate[btnnum];
}
break;
}
case 2: {
if (Plugin_165_numrelay > 2) {
UserVar[event->BaseVarIndex + btnnum] = Plugin_165_switchstate[btnnum];
log += F(" r2:");
log += Plugin_165_switchstate[btnnum];
}
break;
}
}
event->sensorType = Plugin_165_type;
addLog(LOG_LEVEL_INFO, log);
sendData(event);
}
} //10th byte end (Tuya package)
} // yewe decode end
} // Plugin_165_commandstate 1 end
} // end of status decoding
if (Plugin_165_commandstate == 1) {
bytes_read++;
}
} else
Serial.read(); // if buffer full, dump incoming
}
} // plugin initialized end
success = true;
break;
}
case PLUGIN_READ:
{
if (Plugin_165_init)
{
if ((Settings.TaskDevicePluginConfig[event->TaskIndex][0] == SER_SWITCH_YEWE) && (Plugin_165_commandstate != 1))
{ // check Tuya state if anybody ask for it
String log = F("SerSW : ReadState");
addLog(LOG_LEVEL_INFO, log);
getmcustate();
}
success = true;
}
break;
}
case PLUGIN_WRITE:
{
String log = "";
String command = parseString(string, 1);
byte rnum = 0;
byte rcmd = 0;
byte par3 = 0;
if (Plugin_165_init)
{
if ( command == F("relay") ) // deal with relay change command
{
success = true;
if ((event->Par1 >= 0) && (event->Par1 < Plugin_165_numrelay)) {
rnum = event->Par1;
}
if ((event->Par2 == 0) || (event->Par2 == 1)) {
rcmd = event->Par2;
}
LoadTaskSettings(Plugin_165_ownindex); // get our own task values please
event->TaskIndex = Plugin_165_ownindex;
byte varIndex = Plugin_165_ownindex * VARS_PER_TASK;
event->BaseVarIndex = varIndex;
if ( Plugin_165_globalpar0 < SER_SWITCH_LCTECH) {
par3 = Plugin_165_globalpar1;
}
sendmcucommand(rnum, rcmd, Plugin_165_globalpar0, par3);
if ( Plugin_165_globalpar0 > SER_SWITCH_YEWE) { // report state only if not Yewe
if (UserVar[(varIndex + rnum)] != Plugin_165_switchstate[rnum]) { // report only if state is really changed
UserVar[(varIndex + rnum)] = Plugin_165_switchstate[rnum];
if (( par3 == 1) && (rcmd == 1) && (rnum < 2))
{ // exclusive on mode for Dual
UserVar[(varIndex + 1 - rnum)] = 0;
}
if (par3 == 2) { // simultaneous mode for Dual
UserVar[(varIndex + 1 - rnum)] = Plugin_165_switchstate[1 - rnum];
}
event->sensorType = Plugin_165_type;
sendData(event);
}
}
String log = F("SerSW : SetSwitch r");
log += rnum;
log += F(":");
log += rcmd;
addLog(LOG_LEVEL_INFO, log);
}
}
break;
}
}
return success;
}
void getmcustate() {
Serial.write(0x55); // Tuya header 55AA
Serial.write(0xAA);
Serial.write(0x00); // version 00
Serial.write(0x08); // Tuya command 08 - request status
Serial.write(0x00);
Serial.write(0x00);
Serial.write(0x07);
Serial.flush();
}
void sendmcucommand(byte btnnum, byte state, byte swtype, byte btnum_mode) // btnnum=0,1,2, state=0/1
{
byte sstate;
switch (swtype)
{
case SER_SWITCH_YEWE:
{
Serial.write(0x55); // Tuya header 55AA
Serial.write(0xAA);
Serial.write(0x00); // version 00
Serial.write(0x06); // Tuya command 06 - send order
Serial.write(0x00);
Serial.write(0x05); // following data length 0x05
Serial.write( (btnnum + 1) ); // relay number 1,2,3
Serial.write(0x01); // ?
Serial.write(0x00); // ?
Serial.write(0x01); // ?
Serial.write( state ); // status
Serial.write((13 + btnnum + state)); // checksum:sum of all bytes in packet mod 256
Serial.flush();
break;
}
case SER_SWITCH_SONOFFDUAL:
{
Plugin_165_switchstate[btnnum] = state;
if (( btnum_mode == 1) && (state == 1) && (btnnum < 2))
{ // exclusive on mode
Plugin_165_switchstate[(1 - btnnum)] = 0;
}
if (btnum_mode == 2)
{ // simultaneous mode
Plugin_165_switchstate[0] = state;
Plugin_165_switchstate[1] = state;
}
sstate = Plugin_165_switchstate[0] + (Plugin_165_switchstate[1] << 1) + (Plugin_165_switchstate[2] << 2);
Serial.write(0xA0);
Serial.write(0x04);
Serial.write( sstate );
Serial.write(0xA1);
Serial.flush();
delay(1);
break;
}
case SER_SWITCH_LCTECH:
{
byte c_d = 1;
if (Plugin_165_cmddbl) {
c_d = 2;
}
Plugin_165_switchstate[btnnum] = state;
for (byte x = 0; x < c_d; x++) // try twice to be sure
{
Serial.write(0xA0);
Serial.write((0x01 + btnnum));
Serial.write((0x00 + state));
Serial.write((0xA1 + state + btnnum));
Serial.flush();
delay(1);
}
break;
}
}
}