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Tasmota/tasmota/xdrv_16_tuyamcu.ino

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/*
xdrv_16_tuyamcu.ino - Tuya MCU support for Tasmota
Copyright (C) 2020 digiblur, Joel Stein 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/>.
*/
#ifdef USE_LIGHT
#ifdef USE_TUYA_MCU
#define XDRV_16 16
#define XNRG_16 16 // Needs to be the last XNRG_xx
#ifndef TUYA_DIMMER_ID
#define TUYA_DIMMER_ID 0
#endif
#define TUYA_CMD_HEARTBEAT 0x00
#define TUYA_CMD_QUERY_PRODUCT 0x01
#define TUYA_CMD_MCU_CONF 0x02
#define TUYA_CMD_WIFI_STATE 0x03
#define TUYA_CMD_WIFI_RESET 0x04
#define TUYA_CMD_WIFI_SELECT 0x05
#define TUYA_CMD_SET_DP 0x06
#define TUYA_CMD_STATE 0x07
#define TUYA_CMD_QUERY_STATE 0x08
#define TUYA_LOW_POWER_CMD_WIFI_STATE 0x02
#define TUYA_LOW_POWER_CMD_WIFI_RESET 0x03
#define TUYA_LOW_POWER_CMD_WIFI_CONFIG 0x04
#define TUYA_LOW_POWER_CMD_STATE 0x05
#define TUYA_TYPE_BOOL 0x01
#define TUYA_TYPE_VALUE 0x02
#define TUYA_TYPE_STRING 0x03
#define TUYA_TYPE_ENUM 0x04
#define TUYA_BUFFER_SIZE 256
#include <TasmotaSerial.h>
TasmotaSerial *TuyaSerial = nullptr;
struct TUYA {
uint16_t new_dim = 0; // Tuya dimmer value temp
bool ignore_dim = false; // Flag to skip serial send to prevent looping when processing inbound states from the faceplate interaction
uint8_t cmd_status = 0; // Current status of serial-read
uint8_t cmd_checksum = 0; // Checksum of tuya command
uint8_t data_len = 0; // Data lenght of command
uint8_t wifi_state = -2; // Keep MCU wifi-status in sync with WifiState()
uint8_t heartbeat_timer = 0; // 10 second heartbeat timer for tuya module
#ifdef USE_ENERGY_SENSOR
uint32_t lastPowerCheckTime = 0; // Time when last power was checked
#endif // USE_ENERGY_SENSOR
char *buffer = nullptr; // Serial receive buffer
int byte_counter = 0; // Index in serial receive buffer
bool low_power_mode = false; // Normal or Low power mode protocol
bool send_success_next_second = false; // Second command success in low power mode
} Tuya;
enum TuyaSupportedFunctions {
TUYA_MCU_FUNC_NONE,
TUYA_MCU_FUNC_SWT1 = 1, // Buttons
TUYA_MCU_FUNC_SWT2,
TUYA_MCU_FUNC_SWT3,
TUYA_MCU_FUNC_SWT4,
TUYA_MCU_FUNC_REL1 = 11, // Relays
TUYA_MCU_FUNC_REL2,
TUYA_MCU_FUNC_REL3,
TUYA_MCU_FUNC_REL4,
TUYA_MCU_FUNC_REL5,
TUYA_MCU_FUNC_REL6,
TUYA_MCU_FUNC_REL7,
TUYA_MCU_FUNC_REL8,
TUYA_MCU_FUNC_DIMMER = 21,
TUYA_MCU_FUNC_POWER = 31,
TUYA_MCU_FUNC_CURRENT,
TUYA_MCU_FUNC_VOLTAGE,
TUYA_MCU_FUNC_BATTERY_STATE,
TUYA_MCU_FUNC_BATTERY_PERCENTAGE,
TUYA_MCU_FUNC_REL1_INV = 41, // Inverted Relays
TUYA_MCU_FUNC_REL2_INV,
TUYA_MCU_FUNC_REL3_INV,
TUYA_MCU_FUNC_REL4_INV,
TUYA_MCU_FUNC_REL5_INV,
TUYA_MCU_FUNC_REL6_INV,
TUYA_MCU_FUNC_REL7_INV,
TUYA_MCU_FUNC_REL8_INV,
TUYA_MCU_FUNC_LOWPOWER_MODE = 51,
TUYA_MCU_FUNC_LAST = 255
};
const char kTuyaCommand[] PROGMEM = "|" // No prefix
D_CMND_TUYA_MCU "|" D_CMND_TUYA_MCU_SEND_STATE;
void (* const TuyaCommand[])(void) PROGMEM = {
&CmndTuyaMcu, &CmndTuyaSend
};
/*
TuyaSend<x> dpId,data
TuyaSend0 -> Sends TUYA_CMD_QUERY_STATE
TuyaSend1 11,1 -> Sends boolean (Type 1) data 0/1 to dpId 11 (Max data length 1 byte)
TuyaSend2 11,100 -> Sends integer (Type 2) data 100 to dpId 11 (Max data length 4 bytes)
TuyaSend2 11,0xAABBCCDD -> Sends 4 bytes (Type 2) data to dpId 11 (Max data length 4 bytes)
TuyaSend3 11,ThisIsTheData -> Sends the supplied string (Type 3) to dpId 11 ( Max data length not-known)
TuyaSend4 11,1 -> Sends enum (Type 4) data 0/1/2/3/4/5 to dpId 11 (Max data length 1 bytes)
*/
void CmndTuyaSend(void) {
if (XdrvMailbox.index > 4) {
return;
}
if (XdrvMailbox.index == 0) {
TuyaRequestState();
} else {
if (XdrvMailbox.data_len > 0) {
char *p;
char *data;
uint8_t i = 0;
uint8_t dpId = 0;
for (char *str = strtok_r(XdrvMailbox.data, ", ", &p); str && i < 2; str = strtok_r(nullptr, ", ", &p)) {
if ( i == 0) {
dpId = strtoul(str, nullptr, 0);
} else {
data = str;
}
i++;
}
if (1 == XdrvMailbox.index) {
TuyaSendBool(dpId, strtoul(data, nullptr, 0));
} else if (2 == XdrvMailbox.index) {
TuyaSendValue(dpId, strtoull(data, nullptr, 0));
} else if (3 == XdrvMailbox.index) {
TuyaSendString(dpId, data);
} else if (4 == XdrvMailbox.index) {
TuyaSendEnum(dpId, strtoul(data, nullptr, 0));
}
}
}
ResponseCmndDone();
}
/*
TuyaMcu fnid,dpid
*/
void CmndTuyaMcu(void) {
if (XdrvMailbox.data_len > 0) {
char *p;
uint8_t i = 0;
uint8_t parm[3] = { 0 };
for (char *str = strtok_r(XdrvMailbox.data, ", ", &p); str && i < 2; str = strtok_r(nullptr, ", ", &p)) {
parm[i] = strtoul(str, nullptr, 0);
i++;
}
if (TuyaFuncIdValid(parm[0])) {
TuyaAddMcuFunc(parm[0], parm[1]);
restart_flag = 2;
} else {
AddLog_P2(LOG_LEVEL_ERROR, PSTR("TYA: TuyaMcu Invalid function id=%d"), parm[0]);
}
}
Response_P(PSTR("{\"" D_CMND_TUYA_MCU "\":["));
bool added = false;
for (uint8_t i = 0; i < MAX_TUYA_FUNCTIONS; i++) {
if (Settings.tuya_fnid_map[i].fnid != 0) {
if (added) {
ResponseAppend_P(PSTR(","));
}
ResponseAppend_P(PSTR("{\"fnId\":%d,\"dpId\":%d}" ), Settings.tuya_fnid_map[i].fnid, Settings.tuya_fnid_map[i].dpid);
added = true;
}
}
ResponseAppend_P(PSTR("]}"));
}
/*********************************************************************************************\
* Internal Functions
\*********************************************************************************************/
void TuyaAddMcuFunc(uint8_t fnId, uint8_t dpId) {
bool added = false;
if (fnId == 0 || dpId == 0) { // Delete entry
for (uint8_t i = 0; i < MAX_TUYA_FUNCTIONS; i++) {
if ((dpId > 0 && Settings.tuya_fnid_map[i].dpid == dpId) || (fnId > TUYA_MCU_FUNC_NONE && Settings.tuya_fnid_map[i].fnid == fnId)) {
Settings.tuya_fnid_map[i].fnid = TUYA_MCU_FUNC_NONE;
Settings.tuya_fnid_map[i].dpid = 0;
break;
}
}
} else { // Add or update
for (uint8_t i = 0; i < MAX_TUYA_FUNCTIONS; i++) {
if (Settings.tuya_fnid_map[i].dpid == dpId || Settings.tuya_fnid_map[i].dpid == 0 || Settings.tuya_fnid_map[i].fnid == fnId || Settings.tuya_fnid_map[i].fnid == 0) {
if (!added) { // Update entry if exisiting entry or add
Settings.tuya_fnid_map[i].fnid = fnId;
Settings.tuya_fnid_map[i].dpid = dpId;
added = true;
} else if (Settings.tuya_fnid_map[i].dpid == dpId || Settings.tuya_fnid_map[i].fnid == fnId) { // Remove existing entry if added to empty place
Settings.tuya_fnid_map[i].fnid = TUYA_MCU_FUNC_NONE;
Settings.tuya_fnid_map[i].dpid = 0;
}
}
}
}
UpdateDevices();
}
void UpdateDevices() {
for (uint8_t i = 0; i < MAX_TUYA_FUNCTIONS; i++) {
uint8_t fnId = Settings.tuya_fnid_map[i].fnid;
if (fnId > TUYA_MCU_FUNC_NONE && Settings.tuya_fnid_map[i].dpid > 0) {
if (fnId >= TUYA_MCU_FUNC_REL1 && fnId <= TUYA_MCU_FUNC_REL8) { //Relay
bitClear(rel_inverted, fnId - TUYA_MCU_FUNC_REL1);
} else if (fnId >= TUYA_MCU_FUNC_REL1_INV && fnId <= TUYA_MCU_FUNC_REL8_INV) { // Inverted Relay
bitSet(rel_inverted, fnId - TUYA_MCU_FUNC_REL1_INV);
}
}
}
}
inline bool TuyaFuncIdValid(uint8_t fnId) {
return (fnId >= TUYA_MCU_FUNC_SWT1 && fnId <= TUYA_MCU_FUNC_SWT4) ||
(fnId >= TUYA_MCU_FUNC_REL1 && fnId <= TUYA_MCU_FUNC_REL8) ||
fnId == TUYA_MCU_FUNC_DIMMER ||
(fnId >= TUYA_MCU_FUNC_POWER && fnId <= TUYA_MCU_FUNC_VOLTAGE) ||
(fnId >= TUYA_MCU_FUNC_REL1_INV && fnId <= TUYA_MCU_FUNC_REL8_INV) ||
(fnId == TUYA_MCU_FUNC_LOWPOWER_MODE);
}
uint8_t TuyaGetFuncId(uint8_t dpid) {
for (uint8_t i = 0; i < MAX_TUYA_FUNCTIONS; i++) {
if (Settings.tuya_fnid_map[i].dpid == dpid) {
return Settings.tuya_fnid_map[i].fnid;
}
}
return TUYA_MCU_FUNC_NONE;
}
uint8_t TuyaGetDpId(uint8_t fnId) {
for (uint8_t i = 0; i < MAX_TUYA_FUNCTIONS; i++) {
if (Settings.tuya_fnid_map[i].fnid == fnId) {
return Settings.tuya_fnid_map[i].dpid;
}
}
return 0;
}
void TuyaSendCmd(uint8_t cmd, uint8_t payload[] = nullptr, uint16_t payload_len = 0)
{
uint8_t checksum = (0xFF + cmd + (payload_len >> 8) + (payload_len & 0xFF));
TuyaSerial->write(0x55); // Tuya header 55AA
TuyaSerial->write(0xAA);
TuyaSerial->write((uint8_t)0x00); // version 00
TuyaSerial->write(cmd); // Tuya command
TuyaSerial->write(payload_len >> 8); // following data length (Hi)
TuyaSerial->write(payload_len & 0xFF); // following data length (Lo)
snprintf_P(log_data, sizeof(log_data), PSTR("TYA: Send \"55aa00%02x%02x%02x"), cmd, payload_len >> 8, payload_len & 0xFF);
for (uint32_t i = 0; i < payload_len; ++i) {
TuyaSerial->write(payload[i]);
checksum += payload[i];
snprintf_P(log_data, sizeof(log_data), PSTR("%s%02x"), log_data, payload[i]);
}
TuyaSerial->write(checksum);
TuyaSerial->flush();
snprintf_P(log_data, sizeof(log_data), PSTR("%s%02x\""), log_data, checksum);
AddLog(LOG_LEVEL_DEBUG);
}
void TuyaSendState(uint8_t id, uint8_t type, uint8_t* value)
{
uint16_t payload_len = 4;
uint8_t payload_buffer[8];
payload_buffer[0] = id;
payload_buffer[1] = type;
switch (type) {
case TUYA_TYPE_BOOL:
case TUYA_TYPE_ENUM:
payload_len += 1;
payload_buffer[2] = 0x00;
payload_buffer[3] = 0x01;
payload_buffer[4] = value[0];
break;
case TUYA_TYPE_VALUE:
payload_len += 4;
payload_buffer[2] = 0x00;
payload_buffer[3] = 0x04;
payload_buffer[4] = value[3];
payload_buffer[5] = value[2];
payload_buffer[6] = value[1];
payload_buffer[7] = value[0];
break;
}
TuyaSendCmd(TUYA_CMD_SET_DP, payload_buffer, payload_len);
}
void TuyaSendBool(uint8_t id, bool value)
{
TuyaSendState(id, TUYA_TYPE_BOOL, (uint8_t*)&value);
}
void TuyaSendValue(uint8_t id, uint32_t value)
{
TuyaSendState(id, TUYA_TYPE_VALUE, (uint8_t*)(&value));
}
void TuyaSendEnum(uint8_t id, uint32_t value)
{
TuyaSendState(id, TUYA_TYPE_ENUM, (uint8_t*)(&value));
}
void TuyaSendString(uint8_t id, char data[]) {
uint16_t len = strlen(data);
uint16_t payload_len = 4 + len;
uint8_t payload_buffer[payload_len];
payload_buffer[0] = id;
payload_buffer[1] = TUYA_TYPE_STRING;
payload_buffer[2] = len >> 8;
payload_buffer[3] = len & 0xFF;
for (uint16_t i = 0; i < len; i++) {
payload_buffer[4+i] = data[i];
}
TuyaSendCmd(TUYA_CMD_SET_DP, payload_buffer, payload_len);
}
bool TuyaSetPower(void)
{
bool status = false;
uint8_t rpower = XdrvMailbox.index;
int16_t source = XdrvMailbox.payload;
uint8_t dpid = TuyaGetDpId(TUYA_MCU_FUNC_REL1 + active_device - 1);
if (dpid == 0) dpid = TuyaGetDpId(TUYA_MCU_FUNC_REL1_INV + active_device - 1);
if (source != SRC_SWITCH && TuyaSerial) { // ignore to prevent loop from pushing state from faceplate interaction
TuyaSendBool(dpid, bitRead(rpower, active_device-1) ^ bitRead(rel_inverted, active_device-1));
status = true;
}
return status;
}
bool TuyaSetChannels(void)
{
LightSerialDuty(((uint8_t*)XdrvMailbox.data)[0]);
delay(20); // Hack when power is off and dimmer is set then both commands go too soon to Serial out.
return true;
}
void LightSerialDuty(uint16_t duty)
{
uint8_t dpid = TuyaGetDpId(TUYA_MCU_FUNC_DIMMER);
if (duty > 0 && !Tuya.ignore_dim && TuyaSerial && dpid > 0) {
duty = changeUIntScale(duty, 0, 255, 0, Settings.dimmer_hw_max);
if (duty < Settings.dimmer_hw_min) { duty = Settings.dimmer_hw_min; } // dimming acts odd below 25(10%) - this mirrors the threshold set on the faceplate itself
if (Tuya.new_dim != duty) {
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: Send dim value=%d (id=%d)"), duty, dpid);
TuyaSendValue(dpid, duty);
}
} else if (dpid > 0) {
Tuya.ignore_dim = false; // reset flag
duty = changeUIntScale(duty, 0, 255, 0, Settings.dimmer_hw_max);
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: Send dim skipped value=%d"), duty); // due to 0 or already set
} else {
AddLog_P(LOG_LEVEL_DEBUG, PSTR("TYA: Cannot set dimmer. Dimmer Id unknown")); //
}
}
void TuyaRequestState(void)
{
if (TuyaSerial) {
// Get current status of MCU
AddLog_P(LOG_LEVEL_DEBUG, PSTR("TYA: Read MCU state"));
TuyaSendCmd(TUYA_CMD_QUERY_STATE);
}
}
void TuyaResetWifi(void)
{
if (!Settings.flag.button_restrict) { // SetOption1 - Control button multipress
char scmnd[20];
snprintf_P(scmnd, sizeof(scmnd), D_CMND_WIFICONFIG " %d", 2);
ExecuteCommand(scmnd, SRC_BUTTON);
}
}
void TuyaProcessStatePacket(void) {
char scmnd[20];
uint8_t dpidStart = 6;
uint8_t fnId;
uint16_t dpDataLen;
while (dpidStart + 4 < Tuya.byte_counter) {
dpDataLen = Tuya.buffer[dpidStart + 2] << 8 | Tuya.buffer[dpidStart + 3];
fnId = TuyaGetFuncId(Tuya.buffer[dpidStart]);
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: fnId=%d is set for dpId=%d"), fnId, Tuya.buffer[dpidStart]);
// if (TuyaFuncIdValid(fnId)) {
if (Tuya.buffer[dpidStart + 1] == 1) { // Data Type 1
if (fnId >= TUYA_MCU_FUNC_REL1 && fnId <= TUYA_MCU_FUNC_REL8) {
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: RX Relay-%d --> MCU State: %s Current State:%s"), fnId - TUYA_MCU_FUNC_REL1 + 1, Tuya.buffer[dpidStart + 4]?"On":"Off",bitRead(power, fnId - TUYA_MCU_FUNC_REL1)?"On":"Off");
if ((power || Settings.light_dimmer > 0) && (Tuya.buffer[dpidStart + 4] != bitRead(power, fnId - TUYA_MCU_FUNC_REL1))) {
ExecuteCommandPower(fnId - TUYA_MCU_FUNC_REL1 + 1, Tuya.buffer[dpidStart + 4], SRC_SWITCH); // send SRC_SWITCH? to use as flag to prevent loop from inbound states from faceplate interaction
}
} else if (fnId >= TUYA_MCU_FUNC_REL1_INV && fnId <= TUYA_MCU_FUNC_REL8_INV) {
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: RX Relay-%d-Inverted --> MCU State: %s Current State:%s"), fnId - TUYA_MCU_FUNC_REL1_INV + 1, Tuya.buffer[dpidStart + 4]?"Off":"On",bitRead(power, fnId - TUYA_MCU_FUNC_REL1_INV) ^ 1?"Off":"On");
if (Tuya.buffer[dpidStart + 4] != bitRead(power, fnId - TUYA_MCU_FUNC_REL1_INV) ^ 1) {
ExecuteCommandPower(fnId - TUYA_MCU_FUNC_REL1_INV + 1, Tuya.buffer[dpidStart + 4] ^ 1, SRC_SWITCH); // send SRC_SWITCH? to use as flag to prevent loop from inbound states from faceplate interaction
}
} else if (fnId >= TUYA_MCU_FUNC_SWT1 && fnId <= TUYA_MCU_FUNC_SWT4) {
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: RX Switch-%d --> MCU State: %d Current State:%d"),fnId - TUYA_MCU_FUNC_SWT1 + 1,Tuya.buffer[dpidStart + 4], SwitchGetVirtual(fnId - TUYA_MCU_FUNC_SWT1));
if (SwitchGetVirtual(fnId - TUYA_MCU_FUNC_SWT1) != Tuya.buffer[dpidStart + 4]) {
SwitchSetVirtual(fnId - TUYA_MCU_FUNC_SWT1, Tuya.buffer[dpidStart + 4]);
SwitchHandler(1);
}
}
}
else if (Tuya.buffer[dpidStart + 1] == 2) { // Data Type 2
bool tuya_energy_enabled = (XNRG_16 == energy_flg);
uint16_t packetValue = Tuya.buffer[dpidStart + 6] << 8 | Tuya.buffer[dpidStart + 7];
if (fnId == TUYA_MCU_FUNC_DIMMER) {
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: RX Dim State=%d"), packetValue);
Tuya.new_dim = changeUIntScale(packetValue, 0, Settings.dimmer_hw_max, 0, 100);
if ((power || Settings.flag3.tuya_apply_o20) && // SetOption54 - Apply SetOption20 settings to Tuya device
(Tuya.new_dim > 0) && (abs(Tuya.new_dim - Settings.light_dimmer) > 1)) {
Tuya.ignore_dim = true;
snprintf_P(scmnd, sizeof(scmnd), PSTR(D_CMND_DIMMER " %d"), Tuya.new_dim );
ExecuteCommand(scmnd, SRC_SWITCH);
}
}
#ifdef USE_ENERGY_SENSOR
else if (tuya_energy_enabled && fnId == TUYA_MCU_FUNC_VOLTAGE) {
Energy.voltage[0] = (float)packetValue / 10;
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: Rx ID=%d Voltage=%d"), Tuya.buffer[dpidStart], packetValue);
} else if (tuya_energy_enabled && fnId == TUYA_MCU_FUNC_CURRENT) {
Energy.current[0] = (float)packetValue / 1000;
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: Rx ID=%d Current=%d"), Tuya.buffer[dpidStart], packetValue);
} else if (tuya_energy_enabled && fnId == TUYA_MCU_FUNC_POWER) {
Energy.active_power[0] = (float)packetValue / 10;
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: Rx ID=%d Active_Power=%d"), Tuya.buffer[dpidStart], packetValue);
if (Tuya.lastPowerCheckTime != 0 && Energy.active_power[0] > 0) {
Energy.kWhtoday += (float)Energy.active_power[0] * (Rtc.utc_time - Tuya.lastPowerCheckTime) / 36;
EnergyUpdateToday();
}
Tuya.lastPowerCheckTime = Rtc.utc_time;
}
#endif // USE_ENERGY_SENSOR
}
// } else {
// AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: Unknown FnId=%s for dpId=%s"), fnId, Tuya.buffer[6]);
dpidStart += dpDataLen + 4;
}
}
void TuyaLowPowerModePacketProcess(void) {
switch (Tuya.buffer[3]) {
case TUYA_CMD_QUERY_PRODUCT:
TuyaHandleProductInfoPacket();
TuyaSetWifiLed();
break;
case TUYA_LOW_POWER_CMD_STATE:
TuyaProcessStatePacket();
Tuya.send_success_next_second = true;
break;
}
}
void TuyaHandleProductInfoPacket(void) {
uint16_t dataLength = Tuya.buffer[4] << 8 | Tuya.buffer[5];
char *data = &Tuya.buffer[6];
AddLog_P2(LOG_LEVEL_INFO, PSTR("TYA: MCU Product ID: %.*s"), dataLength, data);
}
void TuyaSendLowPowerSuccessIfNeeded(void) {
uint8_t success = 1;
if (Tuya.send_success_next_second) {
TuyaSendCmd(TUYA_LOW_POWER_CMD_STATE, &success, 1);
Tuya.send_success_next_second = false;
}
}
void TuyaNormalPowerModePacketProcess(void)
{
switch (Tuya.buffer[3]) {
case TUYA_CMD_QUERY_PRODUCT:
TuyaHandleProductInfoPacket();
TuyaSendCmd(TUYA_CMD_MCU_CONF);
break;
case TUYA_CMD_HEARTBEAT:
AddLog_P(LOG_LEVEL_DEBUG, PSTR("TYA: Heartbeat"));
if (Tuya.buffer[6] == 0) {
AddLog_P(LOG_LEVEL_DEBUG, PSTR("TYA: Detected MCU restart"));
Tuya.wifi_state = -2;
}
break;
case TUYA_CMD_STATE:
TuyaProcessStatePacket();
break;
case TUYA_CMD_WIFI_RESET:
case TUYA_CMD_WIFI_SELECT:
AddLog_P(LOG_LEVEL_DEBUG, PSTR("TYA: RX WiFi Reset"));
TuyaResetWifi();
break;
case TUYA_CMD_WIFI_STATE:
AddLog_P(LOG_LEVEL_DEBUG, PSTR("TYA: RX WiFi LED set ACK"));
Tuya.wifi_state = TuyaGetTuyaWifiState();
break;
case TUYA_CMD_MCU_CONF:
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: RX MCU configuration Mode=%d"), Tuya.buffer[5]);
if (Tuya.buffer[5] == 2) { // Processing by ESP module mode
uint8_t led1_gpio = Tuya.buffer[6];
uint8_t key1_gpio = Tuya.buffer[7];
bool key1_set = false;
bool led1_set = false;
for (uint32_t i = 0; i < sizeof(Settings.my_gp); i++) {
if (Settings.my_gp.io[i] == GPIO_LED1) led1_set = true;
else if (Settings.my_gp.io[i] == GPIO_KEY1) key1_set = true;
}
if (!Settings.my_gp.io[led1_gpio] && !led1_set) {
Settings.my_gp.io[led1_gpio] = GPIO_LED1;
restart_flag = 2;
}
if (!Settings.my_gp.io[key1_gpio] && !key1_set) {
Settings.my_gp.io[key1_gpio] = GPIO_KEY1;
restart_flag = 2;
}
}
TuyaRequestState();
break;
default:
AddLog_P(LOG_LEVEL_DEBUG, PSTR("TYA: RX unknown command"));
}
}
/*********************************************************************************************\
* API Functions
\*********************************************************************************************/
bool TuyaModuleSelected(void)
{
if (!(pin[GPIO_TUYA_RX] < 99) || !(pin[GPIO_TUYA_TX] < 99)) { // fallback to hardware-serial if not explicitly selected
pin[GPIO_TUYA_TX] = 1;
pin[GPIO_TUYA_RX] = 3;
Settings.my_gp.io[1] = GPIO_TUYA_TX;
Settings.my_gp.io[3] = GPIO_TUYA_RX;
restart_flag = 2;
}
if (TuyaGetDpId(TUYA_MCU_FUNC_DIMMER) == 0 && TUYA_DIMMER_ID > 0) {
TuyaAddMcuFunc(TUYA_MCU_FUNC_DIMMER, TUYA_DIMMER_ID);
}
bool relaySet = false;
for (uint8_t i = 0 ; i < MAX_TUYA_FUNCTIONS; i++) {
if ((Settings.tuya_fnid_map[i].fnid >= TUYA_MCU_FUNC_REL1 && Settings.tuya_fnid_map[i].fnid <= TUYA_MCU_FUNC_REL8 ) ||
(Settings.tuya_fnid_map[i].fnid >= TUYA_MCU_FUNC_REL1_INV && Settings.tuya_fnid_map[i].fnid <= TUYA_MCU_FUNC_REL8_INV )) {
relaySet = true;
devices_present++;
}
}
if (!relaySet) {
TuyaAddMcuFunc(TUYA_MCU_FUNC_REL1, 1);
devices_present++;
SettingsSaveAll();
}
if (TuyaGetDpId(TUYA_MCU_FUNC_DIMMER) != 0) {
light_type = LT_SERIAL1;
} else {
light_type = LT_BASIC;
}
if (TuyaGetDpId(TUYA_MCU_FUNC_LOWPOWER_MODE) != 0) {
Tuya.low_power_mode = true;
Settings.flag3.fast_power_cycle_disable = true; // SetOption65 - Disable fast power cycle detection for device reset
}
UpdateDevices();
return true;
}
void TuyaInit(void)
{
Tuya.buffer = (char*)(malloc(TUYA_BUFFER_SIZE));
if (Tuya.buffer != nullptr) {
TuyaSerial = new TasmotaSerial(pin[GPIO_TUYA_RX], pin[GPIO_TUYA_TX], 2);
if (TuyaSerial->begin(9600)) {
if (TuyaSerial->hardwareSerial()) { ClaimSerial(); }
// Get MCU Configuration
AddLog_P(LOG_LEVEL_DEBUG, PSTR("TYA: Request MCU configuration"));
TuyaSendCmd(TUYA_CMD_QUERY_PRODUCT);
}
}
Tuya.heartbeat_timer = 0; // init heartbeat timer when dimmer init is done
}
void TuyaSerialInput(void)
{
while (TuyaSerial->available()) {
yield();
uint8_t serial_in_byte = TuyaSerial->read();
if (serial_in_byte == 0x55) { // Start TUYA Packet
Tuya.cmd_status = 1;
Tuya.buffer[Tuya.byte_counter++] = serial_in_byte;
Tuya.cmd_checksum += serial_in_byte;
}
else if (Tuya.cmd_status == 1 && serial_in_byte == 0xAA) { // Only packtes with header 0x55AA are valid
Tuya.cmd_status = 2;
Tuya.byte_counter = 0;
Tuya.buffer[Tuya.byte_counter++] = 0x55;
Tuya.buffer[Tuya.byte_counter++] = 0xAA;
Tuya.cmd_checksum = 0xFF;
}
else if (Tuya.cmd_status == 2) {
if (Tuya.byte_counter == 5) { // Get length of data
Tuya.cmd_status = 3;
Tuya.data_len = serial_in_byte;
}
Tuya.cmd_checksum += serial_in_byte;
Tuya.buffer[Tuya.byte_counter++] = serial_in_byte;
}
else if ((Tuya.cmd_status == 3) && (Tuya.byte_counter == (6 + Tuya.data_len)) && (Tuya.cmd_checksum == serial_in_byte)) { // Compare checksum and process packet
Tuya.buffer[Tuya.byte_counter++] = serial_in_byte;
char hex_char[(Tuya.byte_counter * 2) + 2];
uint16_t len = Tuya.buffer[4] << 8 | Tuya.buffer[5];
Response_P(PSTR("{\"" D_JSON_TUYA_MCU_RECEIVED "\":{\"Data\":\"%s\",\"Cmnd\":%d"), ToHex_P((unsigned char*)Tuya.buffer, Tuya.byte_counter, hex_char, sizeof(hex_char)), Tuya.buffer[3]);
if (len > 0) {
ResponseAppend_P(PSTR(",\"CmndData\":\"%s\""), ToHex_P((unsigned char*)&Tuya.buffer[6], len, hex_char, sizeof(hex_char)));
if (TUYA_CMD_STATE == Tuya.buffer[3]) {
//55 AA 03 07 00 0D 01 04 00 01 02 02 02 00 04 00 00 00 1A 40
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
uint8_t dpidStart = 6;
while (dpidStart + 4 < Tuya.byte_counter) {
uint8_t dpId = Tuya.buffer[dpidStart];
uint8_t dpDataType = Tuya.buffer[dpidStart + 1];
uint16_t dpDataLen = Tuya.buffer[dpidStart + 2] << 8 | Tuya.buffer[dpidStart + 3];
const unsigned char *dpData = (unsigned char*)&Tuya.buffer[dpidStart + 4];
const char *dpHexData = ToHex_P(dpData, dpDataLen, hex_char, sizeof(hex_char));
if (TUYA_CMD_STATE == Tuya.buffer[3]) {
ResponseAppend_P(PSTR(",\"DpType%uId%u\":"), dpDataType, dpId);
if (TUYA_TYPE_BOOL == dpDataType && dpDataLen == 1) {
ResponseAppend_P(PSTR("%u"), dpData[0]);
} else if (TUYA_TYPE_VALUE == dpDataType && dpDataLen == 4) {
uint32_t dpValue = (uint32_t)dpData[0] << 24 | (uint32_t)dpData[1] << 16 | (uint32_t)dpData[2] << 8 | (uint32_t)dpData[3] << 0;
ResponseAppend_P(PSTR("%u"), dpValue);
} else if (TUYA_TYPE_STRING == dpDataType) {
ResponseAppend_P(PSTR("\"%.*s\""), dpDataLen, dpData);
} else if (TUYA_TYPE_ENUM == dpDataType && dpDataLen == 1) {
ResponseAppend_P(PSTR("%u"), dpData[0]);
} else {
ResponseAppend_P(PSTR("\"0x%s\""), dpHexData);
}
}
ResponseAppend_P(PSTR(",\"%d\":{\"DpId\":%d,\"DpIdType\":%d,\"DpIdData\":\"%s\""), dpId, dpId, dpDataType, dpHexData);
if (TUYA_TYPE_STRING == dpDataType) {
ResponseAppend_P(PSTR(",\"Type3Data\":\"%.*s\""), dpDataLen, dpData);
}
ResponseAppend_P(PSTR("}"));
dpidStart += dpDataLen + 4;
}
}
}
ResponseAppend_P(PSTR("}}"));
if (Settings.flag3.tuya_serial_mqtt_publish) { // SetOption66 - Enable TuyaMcuReceived messages over Mqtt
MqttPublishPrefixTopic_P(RESULT_OR_TELE, PSTR(D_JSON_TUYA_MCU_RECEIVED));
} else {
AddLog_P(LOG_LEVEL_DEBUG, mqtt_data);
}
XdrvRulesProcess();
if (!Tuya.low_power_mode) {
TuyaNormalPowerModePacketProcess();
} else {
TuyaLowPowerModePacketProcess();
}
Tuya.byte_counter = 0;
Tuya.cmd_status = 0;
Tuya.cmd_checksum = 0;
Tuya.data_len = 0;
} // read additional packets from TUYA
else if (Tuya.byte_counter < TUYA_BUFFER_SIZE -1) { // add char to string if it still fits
Tuya.buffer[Tuya.byte_counter++] = serial_in_byte;
Tuya.cmd_checksum += serial_in_byte;
} else {
Tuya.byte_counter = 0;
Tuya.cmd_status = 0;
Tuya.cmd_checksum = 0;
Tuya.data_len = 0;
}
}
}
bool TuyaButtonPressed(void)
{
if (!XdrvMailbox.index && ((PRESSED == XdrvMailbox.payload) && (NOT_PRESSED == Button.last_state[XdrvMailbox.index]))) {
AddLog_P(LOG_LEVEL_DEBUG, PSTR("TYA: Reset GPIO triggered"));
TuyaResetWifi();
return true; // Reset GPIO served here
}
return false; // Don't serve other buttons
}
uint8_t TuyaGetTuyaWifiState(void) {
uint8_t wifi_state = 0x02;
switch(WifiState()){
case WIFI_MANAGER:
wifi_state = 0x01;
break;
case WIFI_RESTART:
wifi_state = 0x03;
break;
}
if (MqttIsConnected()) {
wifi_state = 0x04;
}
return wifi_state;
}
void TuyaSetWifiLed(void)
{
Tuya.wifi_state = TuyaGetTuyaWifiState();
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: Set WiFi LED %d (%d)"), Tuya.wifi_state, WifiState());
if (Tuya.low_power_mode) {
TuyaSendCmd(TUYA_LOW_POWER_CMD_WIFI_STATE, &Tuya.wifi_state, 1);
} else {
TuyaSendCmd(TUYA_CMD_WIFI_STATE, &Tuya.wifi_state, 1);
}
}
#ifdef USE_ENERGY_SENSOR
/*********************************************************************************************\
* Energy Interface
\*********************************************************************************************/
bool Xnrg16(uint8_t function)
{
bool result = false;
if (TUYA_DIMMER == my_module_type) {
if (FUNC_PRE_INIT == function) {
if (TuyaGetDpId(TUYA_MCU_FUNC_POWER) != 0) {
if (TuyaGetDpId(TUYA_MCU_FUNC_CURRENT) == 0) {
Energy.current_available = false;
}
if (TuyaGetDpId(TUYA_MCU_FUNC_VOLTAGE) == 0) {
Energy.voltage_available = false;
}
energy_flg = XNRG_16;
}
}
}
return result;
}
#endif // USE_ENERGY_SENSOR
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv16(uint8_t function)
{
bool result = false;
if (TUYA_DIMMER == my_module_type) {
switch (function) {
case FUNC_LOOP:
if (TuyaSerial) { TuyaSerialInput(); }
break;
case FUNC_MODULE_INIT:
result = TuyaModuleSelected();
break;
case FUNC_PRE_INIT:
TuyaInit();
break;
case FUNC_SET_DEVICE_POWER:
result = TuyaSetPower();
break;
case FUNC_BUTTON_PRESSED:
result = TuyaButtonPressed();
break;
case FUNC_EVERY_SECOND:
if (TuyaSerial && Tuya.wifi_state != TuyaGetTuyaWifiState()) { TuyaSetWifiLed(); }
if (!Tuya.low_power_mode) {
Tuya.heartbeat_timer++;
if (Tuya.heartbeat_timer > 10) {
Tuya.heartbeat_timer = 0;
TuyaSendCmd(TUYA_CMD_HEARTBEAT);
}
} else {
TuyaSendLowPowerSuccessIfNeeded();
}
break;
case FUNC_SET_CHANNELS:
result = TuyaSetChannels();
break;
case FUNC_COMMAND:
result = DecodeCommand(kTuyaCommand, TuyaCommand);
break;
}
}
return result;
}
#endif // USE_TUYA_MCU
#endif // USE_LIGHT
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