remove cloud stuff for standalone mode #16
Thomas Ballmann
4 years ago
parent
79c1aa5f87
commit
c0bb7f6237
@ -1,7 +1,7 @@
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{
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// See http://go.microsoft.com/fwlink/?LinkId=827846
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// for the documentation about the extensions.json format
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"recommendations": [
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"platformio.platformio-ide"
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]
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}
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// See http://go.microsoft.com/fwlink/?LinkId=827846
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// for the documentation about the extensions.json format
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"recommendations": [
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"platformio.platformio-ide"
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]
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}
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@ -0,0 +1,6 @@
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#ifndef DOWNLOAD_H
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#define DOWNLOAD_H
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bool downloadFile(String url, const char *path);
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#endif
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@ -0,0 +1,93 @@
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#include <HTTPClient.h>
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#include <SPIFFS.h>
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#include "download.h"
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HTTPClient http;
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bool downloadFile(String url, const char *path)
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{
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// @note duration time: 200kb = 35sec write to flash
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Serial.println("Download file: " + url);
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bool hasError = false;
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String tmpFile = path;
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tmpFile += ".tmp";
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http.useHTTP10(true); // http1.1 chunked übertragung funktioniert irgendwie nicht
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http.setTimeout(7000);
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http.begin(url);
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int httpCode = http.GET();
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if (httpCode != HTTP_CODE_OK)
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{
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Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode != HTTP_CODE_OK && httpCode).c_str());
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hasError = true;
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}
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else
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{
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// track duration
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long startMills = millis();
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// get lenght of document (is -1 when Server sends no Content-Length header)
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int len = http.getSize();
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// create buffer for read
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uint8_t buff[1024] = {0};
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// get tcp stream
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WiFiClient *stream = http.getStreamPtr();
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// persist image
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SPIFFS.begin();
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File file = SPIFFS.open(tmpFile, FILE_WRITE);
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if (!file)
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{
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Serial.println("Failed to open file for writing");
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hasError = true;
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}
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// read all data from server
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while (http.connected() && (len > 0 || len == -1))
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{
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// get available data size
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size_t size = stream->available();
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if (size)
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{
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// read up to xxx byte
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int c = stream->readBytes(buff, ((size > sizeof(buff)) ? sizeof(buff) : size));
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// write to storage
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if (file)
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{
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file.write(buff, c);
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}
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if (len > 0)
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{
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len -= c;
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}
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}
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delay(1);
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}
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// done
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if (file)
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{
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file.close();
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SPIFFS.remove(path);
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SPIFFS.rename(tmpFile, path);
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SPIFFS.end();
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}
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Serial.print("download completed in: ");
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Serial.println(millis() - startMills);
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}
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// clean up
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http.end();
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return !hasError;
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}
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