example/thread_border_router: add ota function for otbr example

Author: Jerry-ESP

examples/thread_border_router/README.md

@@ -31,6 +31,15 @@ $ idf.py set-target esp32h2 build
 
 After flashing the Thread Border Router firmware to ESP32-S3, it will flash the RCP firmware to ESP32-H2 automatically.
 
+### 1.3 Firmware for Host SoC
+
+The default setting flash size is 8MB, set target and build as below:
+
+```
+$ idf.py set-target esp32s3
+$ idf.py build
+```
+
 ## 2. Post Commissioning Setup
 
 After commissioning the Border Router with chip-tool, you can set up the Thread network with ThreadBorderRouterManagement cluster.

examples/thread_border_router/main/CMakeLists.txt

@@ -1,5 +1,6 @@
 idf_component_register(SRC_DIRS          "."
-                       INCLUDE_DIRS      ".")
+                       INCLUDE_DIRS      "."
+                       LDFRAGMENTS "linker.lf")
 
 set_property(TARGET ${COMPONENT_LIB} PROPERTY CXX_STANDARD 17)
 target_compile_options(${COMPONENT_LIB} PRIVATE "-DCHIP_HAVE_CONFIG_H")

examples/thread_border_router/main/linker.lf

@@ -0,0 +1,31 @@
+[mapping:CHIP]
+archive: libCHIP.a
+entries:
+  if SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY = y:
+    * (extram_bss)
+  else:
+    * (default)
+
+[mapping:esp_matter]
+archive: libesp_matter.a
+entries:
+  if SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY = y:
+    * (extram_bss)
+  else:
+    * (default)
+
+[mapping:main]
+archive: libmain.a
+entries:
+  if SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY = y:
+    * (extram_bss)
+  else:
+    * (default)
+
+[mapping:openthread_bss]
+archive: libopenthread.a
+entries:
+  if SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY = y && OPENTHREAD_ENABLED = y:
+    * (extram_bss)
+  else:
+    * (default)

examples/thread_border_router/partitions.csv

@@ -1,6 +1,12 @@
-# Name,   Type, SubType, Offset,  Size, Flags
-# Note: Firmware partition offset needs to be 64K aligned, initial 36K (9 sectors) are reserved for bootloader and partition table
-nvs,        data, nvs,     ,      0xA000,
-phy_init,   data, phy,     ,      0x1000,
-factory,    app,  factory,   ,     3000K,
-rcp_fw,     data, spiffs,   ,      600K,
+# Name,   Type, SubType, Offset,  Size, Flags
+# Note: Firmware partition offset needs to be 64K aligned, initial 36K (9 sectors) are reserved for bootloader and partition table,,,,
+esp_secure_cert,0x3F,,   0xd000,    0x2000, encrypted
+nvs,      data, nvs,     0x10000,   0xC000,
+nvs_keys, data, nvs_keys,0x1C000,   0x1000, encrypted
+otadata,  data, ota,     0x1D000,   0x2000,
+phy_init, data, phy,     0x1F000,   0x1000,
+ota_0,    app,  ota_0,   0x20000,   0x250000,
+ota_1,    app,  ota_1,   0x270000,  0x250000,
+rcp_fw,   data, spiffs,  0x4C0000,  0xA0000,
+fctry,    data, nvs,     0x560000,  0x6000
+

examples/thread_border_router/sdkconfig.defaults

@@ -1,4 +1,4 @@
-CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
+CONFIG_ESPTOOLPY_FLASHSIZE_8MB=y
 
 #enable BT
 CONFIG_BT_ENABLED=y
@@ -14,6 +14,7 @@ CONFIG_CHIP_TASK_STACK_SIZE=10240
 
 # partition table
 CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"
 
 # USB console for Thread border board
 CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG=y
@@ -49,12 +50,25 @@ CONFIG_OPENTHREAD_SRP_CLIENT=n
 CONFIG_OPENTHREAD_DNS_CLIENT=n
 CONFIG_OPENTHREAD_BORDER_ROUTER=y
 CONFIG_THREAD_NETWORK_COMMISSIONING_DRIVER=n
+CONFIG_AUTO_UPDATE_RCP=y
+
+#Enable chip shell
+CONFIG_ENABLE_CHIP_SHELL=y
+
+# Matter OTA
+CONFIG_ENABLE_OTA_REQUESTOR=y
 
 # Use platform mDNS
 CONFIG_USE_MINIMAL_MDNS=n
 
-# Enable Matter shell
-CONFIG_ENABLE_CHIP_SHELL=y
-CONFIG_ESP_MATTER_CONSOLE_TASK_STACK=4096
-
-CONFIG_AUTO_UPDATE_RCP=y
+# Use SPIRAM and external alloc
+CONFIG_SPIRAM=y
+CONFIG_SPIRAM_SPEED_80M=y
+CONFIG_SPIRAM_MODE_QUAD=y
+CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=512
+CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=16384
+CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY=y
+CONFIG_SPIRAM_TRY_ALLOCATE_WIFI_LWIP=y
+CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL=y
+CONFIG_ESP_MATTER_MEM_ALLOC_MODE_EXTERNAL=y
+CONFIG_MBEDTLS_EXTERNAL_MEM_ALLOC=y