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xsns_62_esp32_mi.ino
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xsns_62_esp32_mi.ino
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/*
xsns_62_esp32_mi.ino - MI-BLE-sensors via ESP32 support for Tasmota
enabled by ESP32 && !USE_BLE_ESP32
if (ESP32 && USE_BLE_ESP32) then xsns_62_esp32_mi_ble.ino is used
Copyright (C) 2021 Christian Baars 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/>.
--------------------------------------------------------------------------------------------
Version yyyymmdd Action Description
--------------------------------------------------------------------------------------------
0.9.5.5 20220326 changed - refactored connection task for asynchronous op, add response option,
fixed MI32Key command
-------
0.9.5.4 20220325 changed - add Berry adv_watch and adv_block to BLE class
-------
0.9.5.3 20220315 changed - reworked Berry part, active scanning and holding active connections possible, new format of advertisement buffer
-------
0.9.5.1 20220209 changed - rename YEERC to YLYK01, add dimmer YLKG08 (incl. YLKG07), change button report scheme
-------
0.9.5.0 20211016 changed - major rewrite, added mi32cfg (file and command), Homekit-Bridge,
extended GUI,
removed BLOCK, PERIOD, TIME, UNIT, BATTERY and PAGE -> replaced via Berry-Support
-------
0.9.1.7 20201116 changed - small bugfixes, add BLOCK and OPTION command, send BLE scan via MQTT
-------
0.9.1.0 20200712 changed - add lights and YLYK01, add pure passive mode with decryption,
lots of refactoring
-------
0.9.0.1 20200706 changed - adapt to new NimBLE-API, tweak scan process
-------
0.9.0.0 20200413 started - initial development by Christian Baars
forked - from arendst/tasmota - https://github.com/arendst/Tasmota
*/
#ifndef USE_BLE_ESP32
#ifdef ESP32 // ESP32 only. Use define USE_HM10 for ESP8266 support
#if defined CONFIG_IDF_TARGET_ESP32 || defined CONFIG_IDF_TARGET_ESP32C3 || defined CONFIG_IDF_TARGET_ESP32S3
#ifdef USE_MI_ESP32
#ifdef USE_ENERGY_SENSOR
// #define USE_MI_ESP32_ENERGY //prepare for some GUI extensions
#endif
#define XSNS_62 62
#include <NimBLEDevice.h>
#include <vector>
#include <t_bearssl.h>
#include "xsns_62_esp32_mi.h"
#ifdef USE_MI_HOMEKIT
extern "C" void mi_homekit_main(void);
extern "C" void mi_homekit_update_value(void* handle, float value, uint32_t type);
extern "C" void mi_homekit_stop();
void MI32getSetupCodeFromMAC(char* code);
#endif //USE_MI_HOMEKIT
void MI32scanEndedCB(NimBLEScanResults results);
void MI32notifyCB(NimBLERemoteCharacteristic* pRemoteCharacteristic, uint8_t* pData, size_t length, bool isNotify);
void MI32AddKey(mi_bindKey_t keyMAC);
std::vector<mi_sensor_t> MIBLEsensors;
static BLEScan* MI32Scan;
/*********************************************************************************************\
* Classes
\*********************************************************************************************/
class MI32SensorCallback : public NimBLEClientCallbacks {
void onConnect(NimBLEClient* pclient) {
// AddLog(LOG_LEVEL_DEBUG,PSTR("connected %s"), kMI32DeviceType[(MIBLEsensors[MI32.conCtx->slot].type)-1]);
MI32.infoMsg = MI32_DID_CONNECT;
MI32.mode.willConnect = 0;
MI32.mode.connected = 1;
}
void onDisconnect(NimBLEClient* pclient) {
MI32.mode.connected = 0;
MI32.infoMsg = MI32_DID_DISCONNECT;
MI32.conCtx->error = MI32_CONN_DID_DISCCONNECT;
MI32.mode.triggerBerryConnCB = 1; //mainly for unexpected or requested disconnects
//AddLog(LOG_LEVEL_DEBUG,PSTR("disconnected"));
}
bool onConnParamsUpdateRequest(NimBLEClient* MI32Client, const ble_gap_upd_params* params) {
if(params->itvl_min < 24) { /** 1.25ms units */
return false;
} else if(params->itvl_max > 40) { /** 1.25ms units */
return false;
} else if(params->latency > 2) { /** Number of intervals allowed to skip */
return false;
} else if(params->supervision_timeout > 100) { /** 10ms units */
return false;
}
return true;
}
};
class MI32AdvCallbacks: public NimBLEAdvertisedDeviceCallbacks {
void onResult(NimBLEAdvertisedDevice* advertisedDevice) {
static bool _mutex = false;
if(_mutex) return;
_mutex = true;
int RSSI = advertisedDevice->getRSSI();
uint8_t addr[6];
memcpy(addr,advertisedDevice->getAddress().getNative(),6);
MI32_ReverseMAC(addr);
size_t ServiceDataLength = 0;
if(MI32.beAdvCB != nullptr && MI32.mode.triggerBerryAdvCB == 0){
berryAdvPacket_t *_packet = (berryAdvPacket_t *)MI32.beAdvBuf;
memcpy(_packet->MAC,addr,6);
_packet->addressType = advertisedDevice->getAddressType();
_packet->RSSI = (uint8_t)RSSI;
uint8_t *_payload = advertisedDevice->getPayload();
_packet->length = advertisedDevice->getPayloadLength();
memcpy(_packet->payload,_payload, _packet->length);
MI32.mode.triggerBerryAdvCB = 1;
}
if (advertisedDevice->getServiceDataCount() == 0) {
_mutex = false;
return;
}
uint16_t UUID = advertisedDevice->getServiceDataUUID(0).getNative()->u16.value;
ServiceDataLength = advertisedDevice->getServiceData(0).length();
if(UUID==0xfe95) {
MI32ParseResponse((char*)advertisedDevice->getServiceData(0).data(),ServiceDataLength, addr, RSSI);
}
else if(UUID==0xfdcd) {
MI32parseCGD1Packet((char*)advertisedDevice->getServiceData(0).data(),ServiceDataLength, addr, RSSI);
}
else if(UUID==0x181a) { //ATC and PVVX
MI32ParseATCPacket((char*)advertisedDevice->getServiceData(0).data(),ServiceDataLength, addr, RSSI);
}
_mutex = false;
};
};
static MI32AdvCallbacks MI32ScanCallbacks;
static MI32SensorCallback MI32SensorCB;
static NimBLEClient* MI32Client;
/*********************************************************************************************\
* BLE callback functions
\*********************************************************************************************/
void MI32scanEndedCB(NimBLEScanResults results){
MI32.infoMsg = MI32_SCAN_ENDED;
MI32.mode.runningScan = 0;
}
void MI32notifyCB(NimBLERemoteCharacteristic* pRemoteCharacteristic, uint8_t* pData, size_t length, bool isNotify){
if(MI32.mode.triggerBerryConnCB) return; //discard data, if we did not pass the old to Berry yet
if(isNotify){
MI32.infoMsg = MI32_GOT_NOTIFICATION;
MI32.conCtx->buffer[0] = (uint8_t)length;
memcpy(MI32.conCtx->buffer + 1, pData, length);
MI32.conCtx->returnCharUUID = pRemoteCharacteristic->getUUID().getNative()->u16.value;
MI32.conCtx->operation = 103;
MI32.mode.triggerBerryConnCB = 1;
MI32.mode.readingDone = 1;
}
}
/*********************************************************************************************\
* Helper functions
\*********************************************************************************************/
/**
* @brief Remove all colons from null terminated char array
*
* @param _string Typically representing a MAC-address like AA:BB:CC:DD:EE:FF
*/
void MI32stripColon(char* _string){
uint32_t _length = strlen(_string);
uint32_t _index = 0;
while (_index < _length) {
char c = _string[_index];
if(c==':'){
memmove(_string+_index,_string+_index+1,_length-_index);
}
_index++;
}
_string[_index] = 0;
}
/**
* @brief Convert string that repesents a hexadecimal number to a byte array
*
* @param _string input string in format: AABBCCDDEEFF or AA:BB:CC:DD:EE:FF, caseinsensitive
* @param _mac target byte array must match the correct size (i.e. AA:BB -> uint8_t bytes[2])
*/
void MI32HexStringToBytes(char* _string, uint8_t* _byteArray) {
MI32stripColon(_string);
UpperCase(_string,_string);
uint32_t index = 0;
uint32_t _end = strlen(_string);
memset(_byteArray,0,_end/2);
while (index < _end) {
char c = _string[index];
uint8_t value = 0;
if(c >= '0' && c <= '9')
value = (c - '0');
else if (c >= 'A' && c <= 'F')
value = (10 + (c - 'A'));
_byteArray[(index/2)] += value << (((index + 1) % 2) * 4);
index++;
}
}
/**
* @brief Reverse an array of 6 bytes
*
* @param _mac a byte array of size 6 (typicalliy representing a MAC address)
*/
void MI32_ReverseMAC(uint8_t _mac[]){
uint8_t _reversedMAC[6];
for (uint8_t i=0; i<6; i++){
_reversedMAC[5-i] = _mac[i];
}
memcpy(_mac,_reversedMAC, sizeof(_reversedMAC));
}
void MI32AddKey(mi_bindKey_t keyMAC){
bool unknownMAC = true;
for(auto &_sensor : MIBLEsensors){
if(memcmp(keyMAC.MAC,_sensor.MAC,sizeof(keyMAC.MAC))==0){
_sensor.key = new uint8_t[16];
memcpy(_sensor.key,keyMAC.key,16);
unknownMAC=false;
_sensor.status.hasWrongKey = 0;
AddLog(LOG_LEVEL_INFO,PSTR("add key to %s"),kMI32DeviceType[_sensor.type-1]);
}
}
if(unknownMAC){
AddLog(LOG_LEVEL_ERROR,PSTR("M32: unknown MAC"));
}
}
/**
* @brief Decrypts payload in place
*
* @param _buf - pointer to the buffer at position of PID
* @param _bufSize - buffersize (last position is two bytes behind last byte of TAG)
* @param _payload - target buffer
* @param _slot - sensor slot in the global vector
* @return int - error code, 0 for success
*/
int MI32_decryptPacket(char * _buf, uint16_t _bufSize, uint8_t * _payload, uint32 _slot){
// int32_t start = _getCycleCount();
mi_beacon_t *_beacon = (mi_beacon_t *)_buf;
uint8_t nonce[13]; //v3:13, v5:12
uint32_t nonceLen = 12; // most devices are v5
uint8_t tag[4] = {0};
const unsigned char authData[1] = {0x11};
size_t dataLen = _bufSize - 11 ; // _bufsize - frame - type - frame.counter - MAC
if(MIBLEsensors[_slot].key == nullptr){
// AddLog(LOG_LEVEL_DEBUG,PSTR("M32: No Key found !!"));
return -2;
}
uint32_t _version = (uint32_t)_beacon->frame.version;
// AddLog(LOG_LEVEL_DEBUG,PSTR("M32: encrypted msg from %s with version:%u"),kMI32DeviceType[MIBLEsensors[_slot].type-1],_version);
if(_version == 5){
if(_beacon->frame.includesMAC){
for (uint32_t i = 0; i<6; i++){
nonce[i] = _beacon->MAC[i];
}
// AddLog(LOG_LEVEL_DEBUG,PSTR("M32: has MAC"));
memcpy(_payload,(uint8_t*)&_beacon->capability, dataLen); //special packet
dataLen -= 7;
}
else{
// AddLog(LOG_LEVEL_DEBUG,PSTR("M32: has no MAC"));
for (uint32_t i = 0; i<6; i++){
nonce[i] = MIBLEsensors[_slot].MAC[5-i];
}
dataLen = _bufSize -5 ;
memcpy(_payload,_beacon->MAC, dataLen); //special packet
dataLen -= 7;
// AddLogBuffer(LOG_LEVEL_DEBUG,(uint8_t*) _payload, dataLen);
}
// nonce: device MAC, device type, frame cnt, ext. cnt
memcpy((uint8_t*)&nonce+6,(uint8_t*)&_beacon->productID,2);
nonce[8] = _beacon->counter;
memcpy((uint8_t*)&nonce+9,(uint8_t*)&_payload[dataLen],3);
// memcpy((uint8_t*)&tag,(uint8_t*)&_payload[dataLen-4],4);
memcpy((uint8_t*)&tag,(uint8_t*)&_buf[_bufSize-4],4);
}
else if(_version == 3){
// nonce: frame_ctrl, device type, ext. cnt, frame cnt, device MAC(only first 5 bytes)
memcpy(_payload,(uint8_t*)&_beacon->capability, dataLen); //special packet
nonceLen = 13;
memcpy((uint8_t*)&nonce,(uint8_t*)&_beacon->frame,2);
memcpy((uint8_t*)&nonce+2,(uint8_t*)&_beacon->productID,2);
nonce[4] = _beacon->counter;
memcpy((uint8_t*)&nonce+5,(uint8_t*)&_buf[_bufSize-4],3);
for (uint32_t i = 0; i<5; i++){
nonce[i+8] = _beacon->MAC[i];
}
// tag[0] = _buf[_bufSize-1]; // it is unclear, if this value is a checksum
dataLen -= 4;
}
else{
AddLog(LOG_LEVEL_DEBUG,PSTR("M32: unexpected decryption version:%u"),_version); // should never happen
}
br_aes_small_ctrcbc_keys keyCtx;
br_aes_small_ctrcbc_init(&keyCtx, MIBLEsensors[_slot].key, 16);
br_ccm_context ctx;
br_ccm_init(&ctx, &keyCtx.vtable);
br_ccm_reset(&ctx, nonce, nonceLen, sizeof(authData), dataLen, sizeof(tag));
br_ccm_aad_inject(&ctx, authData, sizeof(authData));
br_ccm_flip(&ctx);
br_ccm_run(&ctx, 0, _payload, dataLen);
if(br_ccm_check_tag(&ctx, &tag)) return 0;
// AddLog(LOG_LEVEL_DEBUG,PSTR("M32: decrypted in %.2f mSec"),enctime);
// AddLogBuffer(LOG_LEVEL_DEBUG,(uint8_t*) _payload, dataLen);
if(_version == 3 && _payload[1] == 0x10) return 0; // no known way to really verify decryption, but 0x10 is expected here for button events
return -1; // wrong key ... maybe corrupt data packet too
}
/*********************************************************************************************\
* common functions
\*********************************************************************************************/
/**
* @brief Return the slot number of a known sensor or return create new sensor slot
*
* @param _MAC BLE address of the sensor
* @param _type Type number of the sensor
* @return uint32_t Known or new slot in the sensors-vector
*/
uint32_t MIBLEgetSensorSlot(uint8_t (&_MAC)[6], uint16_t _type, uint8_t counter){
DEBUG_SENSOR_LOG(PSTR("%s: will test ID-type: %x"),D_CMND_MI32, _type);
bool _success = false;
for (uint32_t i=0;i<MI32_TYPES;i++){ // i < sizeof(kMI32DeviceID) gives compiler warning
if(_type == kMI32DeviceID[i]){
DEBUG_SENSOR_LOG(PSTR("M32: ID is type %u"), i);
_type = i+1;
_success = true;
}
else {
DEBUG_SENSOR_LOG(PSTR("%s: ID-type is not: %x"),D_CMND_MI32,kMI32DeviceID[i]);
}
}
if(!_success) return 0xff;
DEBUG_SENSOR_LOG(PSTR("%s: vector size %u"),D_CMND_MI32, MIBLEsensors.size());
for(uint32_t i=0; i<MIBLEsensors.size(); i++){
if(memcmp(_MAC,MIBLEsensors[i].MAC,sizeof(_MAC))==0){
DEBUG_SENSOR_LOG(PSTR("%s: known sensor at slot: %u"),D_CMND_MI32, i);
// AddLog(LOG_LEVEL_DEBUG,PSTR("Counters: %x %x"),MIBLEsensors[i].lastCnt, counter);
if(MIBLEsensors[i].lastCnt==counter) {
// AddLog(LOG_LEVEL_DEBUG,PSTR("Old packet"));
return 0xff; // packet received before, stop here
}
return i;
}
DEBUG_SENSOR_LOG(PSTR("%s: i: %x %x %x %x %x %x"),D_CMND_MI32, MIBLEsensors[i].MAC[5], MIBLEsensors[i].MAC[4],MIBLEsensors[i].MAC[3],MIBLEsensors[i].MAC[2],MIBLEsensors[i].MAC[1],MIBLEsensors[i].MAC[0]);
DEBUG_SENSOR_LOG(PSTR("%s: n: %x %x %x %x %x %x"),D_CMND_MI32, _MAC[5], _MAC[4], _MAC[3],_MAC[2],_MAC[1],_MAC[0]);
}
if(MI32.mode.didGetConfig){
DEBUG_SENSOR_LOG(PSTR("M32: ignore new sensor, because of loaded config"));
return 0xff; //discard the data
}
DEBUG_SENSOR_LOG(PSTR("%s: found new sensor"),D_CMND_MI32);
mi_sensor_t _newSensor;
memcpy(_newSensor.MAC,_MAC, sizeof(_MAC));
_newSensor.type = _type;
_newSensor.eventType.raw = 0;
_newSensor.feature.raw = 0;
_newSensor.status.raw = 0;
_newSensor.temp = NAN;
_newSensor.temp_history = (uint8_t*) calloc(24,1);
_newSensor.bat=0x00;
_newSensor.RSSI=0;
_newSensor.lux = 0x00ffffff;
_newSensor.lux_history = (uint8_t*) calloc(24,1);
_newSensor.key = nullptr;
switch (_type)
{
case FLORA:
_newSensor.moisture =0xff;
_newSensor.fertility =0xffff;
_newSensor.firmware[0]='\0';
_newSensor.feature.temp=1;
_newSensor.feature.moist=1;
_newSensor.feature.fert=1;
_newSensor.feature.lux=1;
_newSensor.feature.bat=1;
#ifdef USE_MI_HOMEKIT
_newSensor.light_hap_service = nullptr;
#endif
break;
case NLIGHT:
_newSensor.events=0x00;
_newSensor.feature.motion=1;
_newSensor.feature.NMT=1;
_newSensor.NMT=0;
#ifdef USE_MI_HOMEKIT
_newSensor.motion_hap_service = nullptr;
#endif //USE_MI_HOMEKIT
break;
case MJYD2S:
_newSensor.NMT=0;
_newSensor.events=0x00;
_newSensor.feature.motion=1;
_newSensor.feature.NMT=1;
_newSensor.feature.lux=1;
_newSensor.feature.bat=1;
#ifdef USE_MI_HOMEKIT
_newSensor.light_hap_service = nullptr;
_newSensor.motion_hap_service = nullptr;
#endif //USE_MI_HOMEKIT
_newSensor.feature.bat=1;
_newSensor.NMT=0;
break;
case YLYK01: case YLKG08:
_newSensor.feature.Btn = 1;
_newSensor.Btn = 99;
if(_type == YLKG08){
_newSensor.feature.knob = 1;
_newSensor.dimmer = 0;
}
#ifdef USE_MI_HOMEKIT
_newSensor.button_hap_service[0] = nullptr;
#endif //USE_MI_HOMEKIT
break;
case MCCGQ02:
_newSensor.events=0x00;
_newSensor.feature.bat=1;
_newSensor.feature.door=1;
#ifdef USE_MI_HOMEKIT
_newSensor.door_sensor_hap_service = nullptr;
#endif //USE_MI_HOMEKIT
_newSensor.door = 255;
break;
case SJWS01L:
_newSensor.feature.leak=1;
_newSensor.feature.bat=1;
_newSensor.feature.Btn=1;
_newSensor.Btn=99;
#ifdef USE_MI_HOMEKIT
_newSensor.leak_hap_service = nullptr;
_newSensor.bat_hap_service = nullptr;
_newSensor.button_hap_service[0] = nullptr;
#endif //USE_MI_HOMEKIT
break;
default:
_newSensor.hum=NAN;
_newSensor.hum_history = (uint8_t*) calloc(24,1);
_newSensor.feature.temp=1;
_newSensor.feature.hum=1;
_newSensor.feature.tempHum=1;
_newSensor.feature.bat=1;
#ifdef USE_MI_HOMEKIT
_newSensor.temp_hap_service = nullptr;
_newSensor.hum_hap_service = nullptr;
_newSensor.bat_hap_service = nullptr;
#endif //USE_MI_HOMEKIT
break;
}
MIBLEsensors.push_back(_newSensor);
AddLog(LOG_LEVEL_DEBUG,PSTR("M32: new %s at slot: %u"),kMI32DeviceType[_type-1],MIBLEsensors.size()-1);
MI32.mode.shallShowStatusInfo = 1;
return MIBLEsensors.size()-1;
};
/**
* @brief trigger real-time message for motion or RC
*
*/
void MI32triggerTele(void){
MI32.mode.triggeredTele = 1;
MqttPublishTeleperiodSensor();
}
/**
* @brief Is called after every finding of new BLE sensor
*
*/
void MI32StatusInfo() {
MI32.mode.shallShowStatusInfo = 0;
Response_P(PSTR("{\"M32\":{\"found\":%u}}"), MIBLEsensors.size());
XdrvRulesProcess(0);
}
#ifdef USE_MI_EXT_GUI
/**
* @brief Saves a sensor value mapped to the graph range of 0-20 pixel, this function automatically reads the actual hour from system time
*
* @param history - pointer to uint8_t[23]
* @param value - value as float, this
* @param type - internal type. for BLE: 0 - temperature, 1 - humidity, 2 - illuminance, for internal sensors: 100 - wattage
*/
void MI32addHistory(uint8_t *history, float value, uint32_t type){
uint32_t _hour = (LocalTime()%SECS_PER_DAY)/SECS_PER_HOUR;
// AddLog(LOG_LEVEL_DEBUG,PSTR("M32: history hour: %u"),_hour);
switch(type){
case 0: //temperature
history[_hour] = (((uint8_t)(value + 5.0f)/4)+1) + 0b10000000; //temp
break;
case 1: //humidity
history[_hour] = (((uint8_t)(value/5 ))+1) + 0b10000000; //hum
break;
case 2: //light
if(value>100.0f) value=100.0f; //clamp it for now
history[_hour] = (((uint8_t)(value/5.0f))+1) + 0b10000000; //lux
// AddLog(LOG_LEVEL_DEBUG,PSTR("M32: history lux: %u in hour:%u"),history[_hour], _hour);
break;
#ifdef USE_MI_ESP32_ENERGY
case 100: // energy
if(value == 0.0f) value = 1.0f;
uint8_t _watt = ((uint8_t)(MI32ln(value))*2) + 0b10000000; //watt
history[_hour] = _watt;
// AddLog(LOG_LEVEL_DEBUG,PSTR("M32: history energy: %u for value:%u"),history[_hour], value); //still playing with the mapping
break;
#endif //USE_MI_ESP32_ENERGY
}
}
/**
* @brief Returns a value betwenn 0-21 for use as a data point in the history graph of the extended web UI
*
* @param history - pointer to uint8_t[23]
* @param hour - hour of datapoint
* @return uint8_t - value for the y-axis, should be between 0-21
*/
uint8_t MI32fetchHistory(uint8_t *history, uint32_t hour){
if(hour>23) {
return 0;} //should never happen
if(bitRead(history[hour],7) == 0) {
return 0; //invalidated data
}
return (history[hour]) - 0b10000000;
}
/**
* @brief Invalidates the history data of the following hour by setting MSB to 0, should be called at FUNC_JSON_APPEND
*
*/
void Mi32invalidateOldHistory(){
uint32_t _hour = (LocalTime()%SECS_PER_DAY)/SECS_PER_HOUR;
static uint32_t _lastInvalidatedHour = 99;
if (_lastInvalidatedHour == _hour){
return;
}
uint32_t _nextHour = (_hour>22)?0:_hour+1;
for(auto _sensor:MIBLEsensors){
if(_sensor.feature.temp == 1){
bitClear(_sensor.temp_history[_nextHour],7);
}
if(_sensor.feature.hum == 1){
bitClear(_sensor.hum_history[_nextHour],7);
}
if(_sensor.feature.lux == 1){
bitClear(_sensor.lux_history[_nextHour],7);
}
}
_lastInvalidatedHour = _hour;
}
#endif //USE_MI_EXT_GUI
/*********************************************************************************************\
* init NimBLE
\*********************************************************************************************/
void MI32PreInit(void) {
MI32.mode.init = false;
//test section for options
MI32.option.allwaysAggregate = 1;
MI32.option.noSummary = 0;
MI32.option.minimalSummary = 0;
MI32.option.directBridgeMode = 0;
MI32.option.showRSSI = 1;
MI32.option.ignoreBogusBattery = 1; // from advertisements
MI32loadCfg();
if(MIBLEsensors.size()>0){
MI32.mode.didGetConfig = 1;
}
MI32.beAdvCB = nullptr;
AddLog(LOG_LEVEL_INFO,PSTR("M32: pre-init"));
}
void MI32Init(void) {
if (MI32.mode.init) { return; }
if (TasmotaGlobal.global_state.wifi_down && TasmotaGlobal.global_state.eth_down) { return; }
if (!TasmotaGlobal.global_state.wifi_down) {
TasmotaGlobal.wifi_stay_asleep = true;
if (WiFi.getSleep() == false) {
AddLog(LOG_LEVEL_DEBUG,PSTR("M32: Put WiFi modem in sleep mode"));
WiFi.setSleep(true); // Sleep
}
}
if(MI32.mode.didGetConfig){
MI32.mode.didStartHAP = 0;
#ifdef USE_MI_HOMEKIT
MI32getSetupCodeFromMAC(MI32.hk_setup_code);
AddLog(LOG_LEVEL_INFO,PSTR("M32: Init HAP core"));
mi_homekit_main();
#else
MI32.mode.didStartHAP = 1;
#endif //USE_MI_HOMEKIT
}
if (!MI32.mode.init) {
NimBLEDevice::init("");
AddLog(LOG_LEVEL_INFO,PSTR("M32: Init BLE device"));
MI32.mode.init = 1;
MI32.mode.readyForNextConnJob = 1;
MI32StartTask(MI32_TASK_SCAN); // Let's get started !!
}
#ifdef USE_MI_EXT_GUI
#ifdef USE_MI_ESP32_ENERGY
MI32.energy_history = (uint8_t*) calloc(24,1);
#endif //USE_MI_ESP32_ENERGY
#endif //USE_MI_EXT_GUI
return;
}
/*********************************************************************************************\
* Berry section - partly used by HomeKit too
\*********************************************************************************************/
extern "C" {
bool MI32runBerryConnection(uint8_t operation, bool response){
if(MI32.conCtx != nullptr){
MI32.conCtx->oneOp = (operation > 9);
MI32.conCtx->operation = operation%10;
MI32.conCtx->response = response;
AddLog(LOG_LEVEL_DEBUG,PSTR("M32: Berry connection op: %d, addrType: %d, oneOp: %u, response: %u"),MI32.conCtx->operation, MI32.conCtx->addrType, MI32.conCtx->oneOp, MI32.conCtx->response);
if(MI32.conCtx->oneOp || MI32.conCtx->operation == 5){ //...or disconnect is requested
MI32StartConnectionTask();
}
else{
if(MI32.mode.connected){
AddLog(LOG_LEVEL_DEBUG,PSTR("M32: continue connection job"));
MI32.mode.triggerNextConnJob = 1;
if(!MI32.mode.readyForNextConnJob){
AddLog(LOG_LEVEL_DEBUG,PSTR("M32: old connection job not finished yet!!"));
}
}
else{
MI32StartConnectionTask(); //first job of many or unexpected disconnect
}
}
return true;
}
return false;
}
void MI32setBerryConnCB(void* function, uint8_t *buffer){
if(MI32.conCtx == nullptr){
MI32.conCtx = new MI32connectionContextBerry_t;
}
MI32.conCtx->buffer = buffer;
MI32.beConnCB = function;
AddLog(LOG_LEVEL_INFO,PSTR("M32: Connection Ctx created"));
}
bool MI32setBerryCtxSvc(const char *Svc){
if(MI32.conCtx != nullptr){
MI32.conCtx->serviceUUID = NimBLEUUID(Svc);
AddLog(LOG_LEVEL_DEBUG,PSTR("M32: SVC: %s"),MI32.conCtx->serviceUUID.toString().c_str());
return true;
}
return false;
}
bool MI32setBerryCtxChr(const char *Chr){
if(MI32.conCtx != nullptr){
MI32.conCtx->charUUID = NimBLEUUID(Chr);
AddLog(LOG_LEVEL_DEBUG,PSTR("M32: CHR: %s"),MI32.conCtx->charUUID.toString().c_str());
uint16_t _uuid = MI32.conCtx->charUUID.getNative()->u16.value; //if not "notify op" -> present requested characteristic as return UUID
MI32.conCtx->returnCharUUID = _uuid;
AddLog(LOG_LEVEL_DEBUG,PSTR("M32: return UUID: %04x"),MI32.conCtx->returnCharUUID);
return true;
}
return false;
}
bool MI32setBerryCtxMAC(uint8_t *MAC, uint8_t type){
if(MI32.conCtx != nullptr){
memcpy(MI32.conCtx->MAC,MAC,6);
if(type<4) MI32.conCtx->addrType = type;
else MI32.conCtx->addrType = 0;
return true;
}
return false;
}
void MI32setBerryAdvCB(void* function, uint8_t *buffer){
MI32.beAdvCB = function;
MI32.beAdvBuf = buffer;
}
bool MI32addMACtoBlockList(uint8_t *MAC, uint8_t type){
NimBLEDevice::addIgnored(NimBLEAddress(MAC,type));
return NimBLEDevice::isIgnored(NimBLEAddress(MAC,type));
}
bool MI32addMACtoWatchList(uint8_t *MAC, uint8_t type){
NimBLEAddress _newAddress = NimBLEAddress(MAC,type);
if(MI32Scan==nullptr){
if(!NimBLEDevice::whiteListAdd(_newAddress)){
return false;
}
}
else{
bool _runningScan = MI32Scan->stop();
if(NimBLEDevice::whiteListAdd(_newAddress)){
MI32Scan->setFilterPolicy(BLE_HCI_SCAN_FILT_USE_WL);
if(_runningScan) MI32Scan->start(0, MI32scanEndedCB, false);
}
else {
if(_runningScan) MI32Scan->start(0, MI32scanEndedCB, false);
return false;
}
}
AddLog(LOG_LEVEL_DEBUG,PSTR("M32: add %s to watchlist of size: %u"),_newAddress.toString().c_str(),NimBLEDevice::getWhiteListCount());
return true;
}
void MI32setBatteryForSlot(uint32_t slot, uint8_t value){
if(slot>MIBLEsensors.size()-1) return;
if(MIBLEsensors[slot].feature.bat){
MIBLEsensors[slot].bat = value;
}
}
void MI32setHumidityForSlot(uint32_t slot, float value){
if(slot>MIBLEsensors.size()-1) return;
if(MIBLEsensors[slot].feature.hum){
MIBLEsensors[slot].hum = value;
}
}
void MI32setTemperatureForSlot(uint32_t slot, float value){
if(slot>MIBLEsensors.size()-1) return;
if(MIBLEsensors[slot].feature.temp){
MIBLEsensors[slot].temp = value;
}
}
uint32_t MI32numberOfDevices(){
return MIBLEsensors.size();
}
uint8_t * MI32getDeviceMAC(uint32_t slot){
if(slot>MIBLEsensors.size()-1) return NULL;
return MIBLEsensors[slot].MAC;
}
const char * MI32getDeviceName(uint32_t slot){
if(slot>MIBLEsensors.size()-1) return "";
return kMI32DeviceType[MIBLEsensors[slot].type-1];
}
} //extern "C"
/*********************************************************************************************\
* Homekit section
\*********************************************************************************************/
#ifdef USE_MI_HOMEKIT
extern "C" {
const char * MI32getSetupCode(){
return (const char*)MI32.hk_setup_code;
}
uint32_t MI32numOfRelays(){
if(TasmotaGlobal.devices_present>0) MI32.HKinfoMsg = MI32_HAP_OUTLET_ADDED;
return TasmotaGlobal.devices_present;
}
void MI32setRelayFromHK(uint32_t relay, bool onOff){
ExecuteCommandPower(relay, onOff, SRC_IGNORE);
}
uint32_t MI32getDeviceType(uint32_t slot){
return MIBLEsensors[slot].type;
}
/**
* @brief Get at least a bit of the status of the HAP core, i.e. to reduce the activy of the driver while doing the pairing
*
* @param event
*/
void MI32passHapEvent(uint32_t event){
switch(event){
case 5: //HAP_EVENT_PAIRING_STARTED
MI32suspendScanTask();
default:
vTaskResume(MI32.ScanTask);
}
if(event==4){
MI32.HKinfoMsg = MI32_HAP_CONTROLLER_DISCONNECTED;
MI32.HKconnectedControllers--;
}
if(event==3){
MI32.HKinfoMsg = MI32_HAP_CONTROLLER_CONNECTED;
MI32.HKconnectedControllers++;
}
}
void MI32didStartHAP(bool HAPdidStart){
if(HAPdidStart) {
MI32.mode.didStartHAP = 1;
MI32.HKinfoMsg = MI32_HAP_DID_START;
}
else{
MI32.HKinfoMsg = MI32_HAP_DID_NOT_START;
}
}
/**
* @brief Simply store the writeable HAP characteristics as void pointers in the "main" driver for updates of the values
*
* @param slot - sensor slot in MIBLEsensors
* @param type - sensors type, except for the buttons this is equal to the mibeacon types
* @param handle - a void ponter to a characteristic
*/
void MI32saveHAPhandles(uint32_t slot, uint32_t type, void* handle){
// AddLog(LOG_LEVEL_INFO,PSTR("M32: pass ptr to hap service, type:%u"), type);
switch(type){
case 1000: case 1001: case 1002: case 1003: case 1004: case 1005:
MIBLEsensors[slot].button_hap_service[type-1000] = handle;
break;
case 0x04:
MIBLEsensors[slot].temp_hap_service = handle;
break;
case 0x06:
MIBLEsensors[slot].hum_hap_service = handle;
break;
case 0x0a:
MIBLEsensors[slot].bat_hap_service = handle;
break;
case 0x07:
MIBLEsensors[slot].light_hap_service = handle;
break;
case 0x0f:
MIBLEsensors[slot].motion_hap_service = handle;
break;
case 0x14:
MIBLEsensors[slot].leak_hap_service = handle;
break;
case 0x19:
MIBLEsensors[slot].door_sensor_hap_service = handle;
break;
case 0xf0:
if(slot>3) break; //support only 4 for now
MI32.outlet_hap_service[slot] = handle;
break;
}
}
}
/**
* @brief Creates a simplified setup code from the Wifi MAC for HomeKit by converting every ascii-converted byte to 1, if it not 2-9
* Example: AABBCC1234f2
* -> 111-11-234
* This is no security feature, only for convenience
* * @param setupcode
*/
void MI32getSetupCodeFromMAC(char *setupcode){
uint8_t _mac[6];
char _macStr[13] = { 0 };
WiFi.macAddress(_mac);
ToHex_P(_mac,6,_macStr,13);
AddLog(LOG_LEVEL_INFO,PSTR("M32: Wifi MAC: %s"), _macStr);
for(int i = 0; i<10; i++){
if(_macStr[i]>'9' || _macStr[i]<'1') setupcode[i]='1';
else setupcode[i] = _macStr[i];
}
setupcode[3] = '-';
setupcode[6] = '-';
setupcode[10] = 0;
AddLog(LOG_LEVEL_INFO,PSTR("M32: HK setup code: %s"), setupcode);
return;
}
#endif //USE_MI_HOMEKIT
/*********************************************************************************************\
* Config section
\*********************************************************************************************/
void MI32loadCfg(){
if (TfsFileExists("/mi32cfg")){
MIBLEsensors.reserve(10);
const size_t _buf_size = 2048;
char * _filebuf = (char*)calloc(_buf_size,1);
AddLog(LOG_LEVEL_INFO,PSTR("M32: found config file"));
if(TfsLoadFile("/mi32cfg",(uint8_t*)_filebuf,_buf_size)){
AddLog(LOG_LEVEL_INFO,PSTR("M32: %s"),_filebuf);
JsonParser parser(_filebuf);
JsonParserToken root = parser.getRoot();
if (!root) {AddLog(LOG_LEVEL_INFO,PSTR("M32: invalid root "));}
JsonParserArray arr = root.getArray();
if (!arr) {AddLog(LOG_LEVEL_INFO,PSTR("M32: invalid array object"));; }
bool _error;
int32_t _numberOfDevices;
for (auto _dev : arr) {
AddLog(LOG_LEVEL_INFO,PSTR("M32: found device in config file"));
JsonParserObject _device = _dev.getObject();
uint8_t _mac[6];
JsonParserToken _val = _device[PSTR("MAC")];
_error = true;
if (_val) {
char *_macStr = (char *)_val.getStr();
AddLog(LOG_LEVEL_INFO,PSTR("M32: found MAC: %s"), _macStr);
if(strlen(_macStr)!=12){
AddLog(LOG_LEVEL_INFO,PSTR("M32: wrong MAC length: %u"), strlen(_macStr));
break;
}
MI32HexStringToBytes(_macStr,_mac);
_val = _device[PSTR("PID")];
if(_val){
uint8_t _pid[2];
char *_pidStr = (char *)_val.getStr();
AddLog(LOG_LEVEL_INFO,PSTR("M32: found PID: %s"), _pidStr);
if(strlen(_pidStr)!=4){
AddLog(LOG_LEVEL_INFO,PSTR("M32: wrong PID length: %u"), strlen(_pidStr));
break;
}
MI32HexStringToBytes(_pidStr,_pid);
uint16_t _pid16 = _pid[0]*256 + _pid[1];
_numberOfDevices = MIBLEgetSensorSlot(_mac,_pid16,0);
_error = false;
}
}
_val = _device[PSTR("key")];
if (_val) {
mi_bindKey_t _keyMAC;
uint8_t *_key = (uint8_t*) malloc(16);
char *_keyStr = (char *)_val.getStr();
if(strlen(_keyStr)==0){
continue;
}
if(strlen(_keyStr)!=32){
_error = true;
break;
}
MI32HexStringToBytes(_keyStr,_key);
MIBLEsensors[_numberOfDevices].key = _key;
}
}
if(!_error){
AddLog(LOG_LEVEL_INFO,PSTR("M32: added %u devices from config file"), _numberOfDevices + 1);
}
}
free(_filebuf);
}
}
void MI32saveConfig(){
const size_t _buf_size = 2048;
char * _filebuf = (char*) malloc(_buf_size);
_filebuf[0] = '[';
uint32_t _pos = 1;
for(auto _sensor: MIBLEsensors){
char _MAC[13];
ToHex_P(_sensor.MAC,6,_MAC,13);
char _key[33];
_key[0] = 0;