Support for LibreTiny platform (RTL8710, BK7231 & other modules) (#3509)

Co-authored-by: Kuba Szczodrzyński <kuba@szczodrzynski.pl>
Co-authored-by: Sam Neirinck <git@samneirinck.com>
Co-authored-by: David Buezas <dbuezas@users.noreply.github.com>
Co-authored-by: Stroe Andrei Catalin <catalin2402@gmail.com>
Co-authored-by: Sam Neirinck <github@samneirinck.be>
Co-authored-by: Péter Sárközi <xmisterhu@gmail.com>
Co-authored-by: Hajo Noerenberg <hn@users.noreply.github.com>

esphome/components/ota/__init__.py

@@ -41,7 +41,14 @@ CONFIG_SCHEMA = cv.Schema(
     {
         cv.GenerateID(): cv.declare_id(OTAComponent),
         cv.Optional(CONF_SAFE_MODE, default=True): cv.boolean,
-        cv.SplitDefault(CONF_PORT, esp8266=8266, esp32=3232, rp2040=2040): cv.port,
+        cv.SplitDefault(
+            CONF_PORT,
+            esp8266=8266,
+            esp32=3232,
+            rp2040=2040,
+            bk72xx=8892,
+            rtl87xx=8892,
+        ): cv.port,
         cv.Optional(CONF_PASSWORD): cv.string,
         cv.Optional(
             CONF_REBOOT_TIMEOUT, default="5min"

esphome/components/ota/ota_backend_arduino_libretiny.cpp

@@ -0,0 +1,46 @@
+#include "esphome/core/defines.h"
+#ifdef USE_LIBRETINY
+
+#include "ota_backend_arduino_libretiny.h"
+#include "ota_component.h"
+#include "ota_backend.h"
+
+#include <Update.h>
+
+namespace esphome {
+namespace ota {
+
+OTAResponseTypes ArduinoLibreTinyOTABackend::begin(size_t image_size) {
+  bool ret = Update.begin(image_size, U_FLASH);
+  if (ret) {
+    return OTA_RESPONSE_OK;
+  }
+
+  uint8_t error = Update.getError();
+  if (error == UPDATE_ERROR_SIZE)
+    return OTA_RESPONSE_ERROR_ESP32_NOT_ENOUGH_SPACE;
+  return OTA_RESPONSE_ERROR_UNKNOWN;
+}
+
+void ArduinoLibreTinyOTABackend::set_update_md5(const char *md5) { Update.setMD5(md5); }
+
+OTAResponseTypes ArduinoLibreTinyOTABackend::write(uint8_t *data, size_t len) {
+  size_t written = Update.write(data, len);
+  if (written != len) {
+    return OTA_RESPONSE_ERROR_WRITING_FLASH;
+  }
+  return OTA_RESPONSE_OK;
+}
+
+OTAResponseTypes ArduinoLibreTinyOTABackend::end() {
+  if (!Update.end())
+    return OTA_RESPONSE_ERROR_UPDATE_END;
+  return OTA_RESPONSE_OK;
+}
+
+void ArduinoLibreTinyOTABackend::abort() { Update.abort(); }
+
+}  // namespace ota
+}  // namespace esphome
+
+#endif  // USE_LIBRETINY

esphome/components/ota/ota_backend_arduino_libretiny.h

@@ -0,0 +1,24 @@
+#pragma once
+#include "esphome/core/defines.h"
+#ifdef USE_LIBRETINY
+
+#include "ota_component.h"
+#include "ota_backend.h"
+
+namespace esphome {
+namespace ota {
+
+class ArduinoLibreTinyOTABackend : public OTABackend {
+ public:
+  OTAResponseTypes begin(size_t image_size) override;
+  void set_update_md5(const char *md5) override;
+  OTAResponseTypes write(uint8_t *data, size_t len) override;
+  OTAResponseTypes end() override;
+  void abort() override;
+  bool supports_compression() override { return false; }
+};
+
+}  // namespace ota
+}  // namespace esphome
+
+#endif  // USE_LIBRETINY

esphome/components/ota/ota_component.cpp

@@ -3,6 +3,7 @@
 #include "ota_backend_arduino_esp32.h"
 #include "ota_backend_arduino_esp8266.h"
 #include "ota_backend_arduino_rp2040.h"
+#include "ota_backend_arduino_libretiny.h"
 #include "ota_backend_esp_idf.h"
 
 #include "esphome/core/log.h"
@@ -39,6 +40,9 @@ std::unique_ptr<OTABackend> make_ota_backend() {
 #ifdef USE_RP2040
   return make_unique<ArduinoRP2040OTABackend>();
 #endif  // USE_RP2040
+#ifdef USE_LIBRETINY
+  return make_unique<ArduinoLibreTinyOTABackend>();
+#endif
 }
 
 OTAComponent::OTAComponent() { global_ota_component = this; }