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Tesla_Door__Button.ino
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Tesla_Door__Button.ino
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#include <fauxmoESP.h>
#include <ESP8266WiFi.h>
#include <WiFiClientSecure.h>
#include <ESP8266HTTPClient.h>
#include <ArduinoJson.h>
#include <ESP8266mDNS.h>
#include <WiFiUdp.h>
#include <U8g2lib.h>
/* INSERT CREDENTIALS BELOW */
const char *ssid = ""; //ENTER YOUR WIFI SSID
const char *password = ""; //WIFI Password
String authorization_code = ""; //Enter token if you don't want code to have your user/pass. However tokens expire every 45 days.
const char *TeslaUsername = ""; //Tesla Username / Password. Will be used to get new token if the old one is expired.
const char *TeslaPassword = "";
const int CarNumber = 0; //0 first car, 1 second. Only two supported. Increase DynamicJsonDocument IN(1600) to handle more
#define AlexaIntegration true
/* Set these to your desired credentials. */
const char *host = "owner-api.teslamotors.com";
const int httpsPort = 443; //HTTPS= 443 and HTTP = 80
#define vehicle_url 1
#define wake_url 2
#define lock_url 3
#define unlock_url 4
String vehicle_name = "TESLA";
String vehicle_id = "";
//SHA1 finger print of certificate use web browser to view and copy
const char fingerprint[] PROGMEM = "11 AB EF 76 55 1F EC DA 31 51 61 26 97 68 FD 13 9A 04 D6 B6";
int HueState=0;
//HUE
fauxmoESP fauxmo;
#define ID_REDCAR "Tesla Lock"
//U8G2
U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ 16, /* clock=*/ 5, /* data=*/ 4);
//=======================================================================
// Power on setup
//=======================================================================
void setup() {
u8g2.begin();
u8g2.setFont( u8g2_font_VCR_OSD_mf); // set the target font to calculate the pixel width
u8g2.setFontMode(0); // enable transparent mode, which is faster
WriteOLED("BOOTING","");
delay(1000);
Serial.begin(115200);
WiFi.mode(WIFI_OFF); //Prevents reconnection issue (taking too long to connect)
delay(1000);
WiFi.mode(WIFI_STA); //Only Station No AP, This line hides the viewing of ESP as wifi hotspot
WiFi.begin(ssid, password); //Connect to your WiFi router
Serial.println("");
WriteOLED("Connecting","WiFi");
Serial.print("Connecting");
// Wait for connection
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
//If connection successful show IP address in serial monitor
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
WriteOLED("Connected",ssid);
delay(3000);
Serial.print("IP address: ");
IPAddress ip = WiFi.localIP();
Serial.println(ip); //IP address assigned to your ESP
WriteOLED("IP",String(ip[3]));
delay(3000);
pinMode(0, INPUT_PULLUP);
fauxmo.addDevice(ID_REDCAR);
fauxmo.setPort(80); // required for gen3 devices
fauxmo.enable(AlexaIntegration);
fauxmo.onSetState([](unsigned char device_id, const char * device_name, bool state, unsigned char value) {
// Callback when a command from Alexa is received.
// You can use device_id or device_name to choose the element to perform an action onto (relay, LED,...)
// State is a boolean (ON/OFF) and value a number from 0 to 255 (if you say "set kitchen light to 50%" you will receive a 128 here).
// Just remember not to delay too much here, this is a callback, exit as soon as possible.
// If you have to do something more involved here set a flag and process it in your main loop.
Serial.printf("[MAIN] Device #%d (%s) state: %s value: %d\n", device_id, device_name, state ? "ON" : "OFF", value);
// Checking for device_id is simpler if you are certain about the order they are loaded and it does not change.
// Otherwise comparing the device_name is safer.
if (strcmp(device_name, ID_REDCAR)==0)
{
if (state)
{
HueState = 1;
}
else
{
HueState = 2;
}
}
});
if (authorization_code == "")
{
Serial.println("Getting token");
WriteOLED("Getting","Token");
authorization_code = getauth();
}
Serial.println("Getting Car Name");
WriteOLED("Getting","Car Name");
GetCars(CarNumber);
Serial.println("Car Name: " + vehicle_name);
vehicle_name.toUpperCase();
Serial.println("Exiting Setup");
}
//=======================================================================
// Main Program Loop
//=======================================================================
void loop() {
while (true) // remain here until told to break
{
fauxmo.handle();
WriteOLED(vehicle_name,"");
switch (HueState)
{
case 1:
WriteOLED("Alexa","UnLocking");
unlock();
HueState=0;
break;
case 2:
WriteOLED("Alexa","Locking");
lock();
HueState=0;
break;
default:
break;
}
if (Serial.available() > 0)
{ // did something come in?
switch (Serial.read())
{
case 'a':
authorization_code = getauth();
break;
case 'b':
GetAwake(CarNumber);
break;
case 'u':
unlock();
break;
case 'v':
//post(vehicle_url);
break;
case 'l':
lock();
break;
default:
Serial.println("Unknown");
}
//break;
}
if (!digitalRead(0))
{
int HoldTime = 0;
while (!digitalRead(0))
{
HoldTime++;
if (HoldTime > 100)
break;
delay(10);
}
if (HoldTime < 100)
{
Serial.println("Button Clicked");
WriteOLED("CLICKED","");
unlock();
}
else
{
Serial.println("Button Held");
WriteOLED("LOCKING","");
lock();
}
}
}
}
bool unlock()
{
if (post(unlock_url).indexOf("error") > 0)
{
Serial.println("Waking");
WriteOLED("WAKING","");
Serial.println(post(wake_url));
int x = 0;
while (post(unlock_url).indexOf("error") > 0)
{
Serial.println("Retrying");
WriteOLED("TRY " + String(x),"");
x=x+1;
}
Serial.println("Done, Unlocked");
}
else
{
Serial.println("STATE: AWAKE, UNLOCKED");
}
WriteOLED("UNLOCKED","");
delay (3000);
return true;
}
bool lock()
{
if (post(lock_url).indexOf("error") > 0)
{
Serial.println("Waking");
Serial.println(post(wake_url));
while (post(lock_url).indexOf("error") > 0)
{
Serial.println("Retrying");
}
Serial.println("Done, Locked");
}
else
{
Serial.println("STATE: AWAKE, LOCKED");
}
WriteOLED("LOCKED","");
delay (3000);
return true;
}
String post1(int action)
{
String url = "";
switch (action)
{
case unlock_url:
url = String("POST /api/1/vehicles/" + String(vehicle_id) + "/command/door_unlock");
break;
case lock_url:
url = String("POST /api/1/vehicles/" + String(vehicle_id) + "/command/door_lock");
break;
case wake_url:
url = String("POST /api/1/vehicles/" + String(vehicle_id) + "/wake_up");
break;
case vehicle_url:
url = String("GET /api/1/vehicles/");
break;
}
Serial.println(url);
String line;
bool expired = false;
WiFiClientSecure client;
client.setFingerprint(fingerprint);
client.connect(host, httpsPort);
client.println(String(url + " HTTP/1.1"));
client.println(String("Host: ") + host);
client.println("User-Agent: curl/7.58.0");
//client.println("Accept: */*");
client.println(String("Authorization: Bearer ") + authorization_code);
client.println("Connection: close\r\n");
while (client.connected()) {
line = client.readStringUntil('\n');
if (line.indexOf("401") > 0)
{
Serial.println("EXPIRED");
expired = true;
}
Serial.println(line);
if (line == "\r") {
Serial.println("headers received");
break;
}
}
client.setTimeout(100);
line = client.readString();
Serial.println(line);
if (expired == false)
return line;
else
return "BadAuth";
}
String post(int action)
{
String line = post1(action);
if (line == "BadAuth"){
Serial.println("getting Auth");
authorization_code = getauth();
Serial.println("got auth");
line = post1(action);
}
else
return line;
}
String getauth()
{
String line;
String url = "/oauth/token";
WiFiClientSecure client;
client.setFingerprint(fingerprint);
client.connect(host, httpsPort);
DynamicJsonDocument OUT(220);
OUT["grant_type"] = "password";
OUT["client_id"] = "81527cff06843c8634fdc09e8ac0abefb46ac849f38fe1e431c2ef2106796384";
OUT["client_secret"] = "c7257eb71a564034f9419ee651c7d0e5f7aa6bfbd18bafb5c5c033b093bb2fa3";
OUT["email"] = TeslaUsername;
OUT["password"] = TeslaPassword;
serializeJson(OUT, line);
client.println(String("POST ") + url + " HTTP/1.1");
client.println(String("Host: ") + host);
client.println("User-Agent: curl/7.58.0");
client.println("Content-Type: application/json");
client.print("Content-Length: ");
client.println(line.length());
client.println("");
client.println(line);
while (client.connected()) {
line = client.readStringUntil('\n');
if (line == "\r") {
Serial.println("headers received");
break;
}
}
line = client.readStringUntil('{'); //Read Line by Line
//Serial.println("1: " + line);
line = ("{" + client.readStringUntil('}') + "}");
Serial.println(line);
//const size_t capacity = 277 + 220;
DynamicJsonDocument IN(277+220);
deserializeJson(IN, line);
const char* access_token = IN["access_token"]; //
const char* token_type = IN["token_type"]; // "bearer"
long expires_in = IN["expires_in"]; // 3888000
const char* refresh_token = IN["refresh_token"]; //
long created_at = IN["created_at"]; //
Serial.println(access_token);
Serial.println(token_type);
Serial.println(expires_in);
Serial.println(refresh_token);
Serial.println(created_at);
return access_token;
}
void GetCars(int Number)
{
String Data = post(vehicle_url);
Serial.println("GetCarName Data:");
Serial.println(Data);
DynamicJsonDocument IN(1600);
deserializeJson(IN, Data);
JsonObject response = IN["response"][Number];
const char* response_display_name = response["display_name"];
const char *id_s = response["id_s"];
vehicle_id = id_s;
Serial.println(response_display_name);
Serial.println(id_s);
vehicle_name = response_display_name;
}
String GetAwake(int Number)
{
String Data = post(vehicle_url);
Serial.println("GetCarName Data:");
Serial.println(Data);
DynamicJsonDocument IN(1600);
deserializeJson(IN, Data);
JsonObject response = IN["response"][Number];
const char* response_state = response["state"];
Serial.println(response_state);
return response_state;
}
void WriteOLED(String A, String B)
{
u8g2_uint_t x;
u8g2.clearBuffer();
//A.toUpperCase();
//B.toUpperCase();
if (B.length() > 0)
{
u8g2.setFont( u8g2_font_VCR_OSD_mf); // set the target font to calculate the pixel width
u8g2.setCursor(x, 15);
u8g2.print(A);
u8g2.setCursor(x, 32);
u8g2.print(B);
}
else
{
if (A.length() == 7)
{
u8g2.setFont(u8g2_font_logisoso30_tf);
u8g2.setCursor(0, 31);
}
else if (A.length() == 8)
{
u8g2.setFont(u8g2_font_logisoso24_tf);
u8g2.setCursor(0, 28);
}
else
{
if (A.length() == 4)
A = (" " + A);
u8g2.setFont(u8g2_font_logisoso32_tf);
u8g2.setCursor(0, 32);
}
u8g2.print(A);
}
u8g2.sendBuffer();
}