esp-http-update-ota-s3-lambda.cpp

#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <ESP8266httpUpdate.h>

#define USE_SERIAL Serial
#define SKETCH_NAME "app222le112122"

//#define LAMBDA_URL "https://xxxx.execute-api.us-east-1.amazonaws.com/prod/iot-update-handler"
//#define SSL_SIGNATURE "xx xx xx ... xx"
//#define S3_SSL_SIGNATURE "xx xx xx ... xx"
//#define WIFI_SSID "x...x"
//#define WIFI_PASS "x...x"

//image describing approach
//https://docs.google.com/drawings/d/11_g4em223vnbjms_Kr3ZcWv2Cl0fKIqF2UdagAzVmn4/edit?usp=sharing

void setup() {
  Serial.begin(115200);
  Serial.setDebugOutput(true);
  Serial.println();

  WiFi.begin(WIFI_SSID, WIFI_PASS);
  while (WiFi.status() != WL_CONNECTED) {
    Serial.println('.');
    delay(1000);
  }
  Serial.println("Connected, updating");
  delay(1000);

  String macAddr = WiFi.macAddress();

  USE_SERIAL.println(macAddr);

  HTTPClient httpClient;
  USE_SERIAL.println(LAMBDA_URL + (String)"?mac=" + macAddr + (String)"&sketch=" + SKETCH_NAME);
  httpClient.begin(LAMBDA_URL + (String)"?mac=" + macAddr + (String)"&sketch=" + SKETCH_NAME, SSL_SIGNATURE);

  //Using this hack as ESPhttpUpdate.update does not respect 301 or 302 redirects as yet
  //https://github.com/esp8266/Arduino/issues/3811 <- once resolved we only need to call ESPhttpUpdate.update directly
  int httpCode = httpClient.GET();
  if (httpCode == 304) {
    USE_SERIAL.println(F("HTTP_UPDATE_NO_UPDATES"));
    return;
  }

  if (httpCode != HTTP_CODE_OK && httpCode != 301 && httpCode != 302) {
    USE_SERIAL.println(httpCode);
    USE_SERIAL.printf("[HTTP] GET... failed, error: %s\n", httpClient.errorToString(httpCode).c_str());
    return;
  }

  //  if (httpClient.hasHeader("Location")) {
  //    String redirectingTo = httpClient.header("Location");
  //    USE_SERIAL.println("redirectingTo");
  //    USE_SERIAL.println(redirectingTo);
  //  }

  String response = httpClient.getString();
  USE_SERIAL.println("response");
  USE_SERIAL.println(response);

  httpClient.end();

  t_httpUpdate_return ret = ESPhttpUpdate.update(response, SKETCH_NAME, S3_SSL_SIGNATURE);
  Serial.println("==========");
  Serial.println(ret);
  Serial.println("==========");
  switch (ret) {
    case HTTP_UPDATE_FAILED:
      USE_SERIAL.printf("HTTP_UPDATE_FAILD Error (%d): %s", ESPhttpUpdate.getLastError(), ESPhttpUpdate.getLastErrorString().c_str());
      break;
    case HTTP_UPDATE_NO_UPDATES:
      USE_SERIAL.println(F("HTTP_UPDATE_NO_UPDATES"));
      break;
    case HTTP_UPDATE_OK:
      USE_SERIAL.println(F("HTTP_UPDATE_OK"));
      break;
  }
  
  pinMode(LED_BUILTIN, OUTPUT);

}

void loop() {
  digitalWrite(LED_BUILTIN, LOW);  
  delay(1000);                     
  digitalWrite(LED_BUILTIN, HIGH); 
  delay(1000);
}

hi, ive just uploaded it here

https://gist.github.com/mahees/4f7a4454edfe4e5552ae09ee5d8534a2

however, ive not tested it, or used it in the last 4 years. it may need some changes as at the time esp8266/Arduino#3811 was blocking me.

good luck, let me know if you have any questions.

Thank you!! I’ll take a look, though I’ve pivoted to using the IoT service for the time being which seems more appropriate.

…

Sent from my iPhone

On Apr 11, 2020, at 8:32 AM, mahees ***@***.***> wrote: ***@***.*** commented on this gist. hi, ive just uploaded it here https://gist.github.com/mahees/4f7a4454edfe4e5552ae09ee5d8534a2 however, ive not tested it, or used it in the last 4 years. it may need some changes as at the time esp8266/Arduino#3811 was blocking me. good luck, let me know if you have any questions. — You are receiving this because you commented. Reply to this email directly, view it on GitHub, or unsubscribe.