OTA Solution - Build your own OTA platform (2/2, ESP32 OTA Application)

ESP32_OTA/Simple_OTA_Solution/Simple_OTA_Application/VersionCont.cpp

@@ -0,0 +1,70 @@
+#include "VersionCont.h"
+#include <EEPROM.h>
+#define EEPROM_SIZE 1
+
+VersionCont::VersionCont() {
+  this->loadVersion();
+  hasNewFirmware = false;
+}
+
+int VersionCont::getCurrentVersion() {
+  return firmwareVersion;
+}
+
+void VersionCont::loadVersion() {
+  EEPROM.begin(EEPROM_SIZE);
+  firmwareVersion = EEPROM.read(0);
+
+  if (firmwareVersion >= 255 || firmwareVersion == 0) {
+    firmwareVersion = 1;
+    this->saveVersion(firmwareVersion);
+  }
+}
+
+void VersionCont::saveVersion(int buildNum) {
+  if (buildNum > 255) buildNum = 255;
+
+  EEPROM.write(0, buildNum);
+  EEPROM.commit();
+}
+
+void VersionCont::setNewFirmware(Firmware firmware) {
+  newFirmware = firmware;
+
+  if (newFirmware.build_num != -1) {
+    Serial.printf("buildNum: %d\n", newFirmware.build_num);
+    Serial.printf("fileSize: %d\n", newFirmware.file_size);
+    Serial.printf("MD5Checksum: %s\n", newFirmware.md5_checksum.c_str());
+    Serial.printf("build_date: %s\n", newFirmware.build_date.c_str());
+    Serial.printf("company: %s\n", newFirmware.company.c_str());
+    Serial.printf("server_file_path: %s\n", newFirmware.server_file_path.c_str());
+
+    if (firmwareVersion < newFirmware.build_num) {
+      hasNewFirmware = true;
+    }
+  }
+}
+
+bool VersionCont::hasNewUpdate() {
+  return hasNewFirmware;
+}
+
+bool VersionCont::md5CompareTo(String checksum) {
+  return newFirmware.md5_checksum == checksum;
+}
+
+bool VersionCont::fileSizeCompareTo(int fileSize) {
+  return newFirmware.file_size == fileSize;
+}
+
+int VersionCont::newFirmwareVersion() {
+  return newFirmware.build_num;
+}
+
+String VersionCont::getCPName() {
+  return newFirmware.company != NULL ? newFirmware.company : "";
+}
+
+String VersionCont::getFirmwareServerPath() {
+  return newFirmware.server_file_path != NULL ? newFirmware.server_file_path : "";
+}