examples: Add support for esp32c2

- Added entry for esp32c2 build in CI
- RAM optimized sdkconfig.defaults.esp32c2
- Disable ws2812 led drivers from non-rmt supported devices
- Use GPIO9 as BOOT button for C2

.gitlab-ci.yml

@@ -137,7 +137,7 @@ build_idf_v5.1:
   extends: .build_template
   image: espressif/idf:release-v5.1
   variables:
-    EXAMPLE_TARGETS: "esp32 esp32s2 esp32c3 esp32s3 esp32c6"
+    EXAMPLE_TARGETS: "esp32 esp32s2 esp32c3 esp32s3 esp32c6 esp32c2"
     EXAMPLES: "switch led_light fan temperature_sensor multi_device gpio"
 
 build_matter:
@@ -147,7 +147,7 @@ build_matter:
     - build
   variables:
     PEDANTIC_FLAGS: ""
-    EXAMPLE_TARGETS: "esp32 esp32c3 esp32s3 esp32c6"
+    EXAMPLE_TARGETS: "esp32 esp32c3 esp32s3 esp32c6 esp32c2"
     EXAMPLES: "matter/matter_light matter/matter_switch"
     CONTROLLER_EXAMPLE_TARGET: "esp32s3"
   script:

components/esp_rainmaker/Kconfig.projbuild

@@ -16,7 +16,7 @@ menu "ESP RainMaker Config"
 
         config ESP_RMAKER_SELF_CLAIM
             bool "Use Self Claiming"
-            depends on !IDF_TARGET_ESP32
+            depends on !IDF_TARGET_ESP32 && !IDF_TARGET_ESP32C2
             help
                 Use Self Claiming i.e. get the MQTT credentials
                 directly from the claiming service.
@@ -80,7 +80,7 @@ menu "ESP RainMaker Config"
         bool "Read Node ID from Device Certificate"
         default n
         help
-            If enabled, the device will get its node id from the device certificate's CN field. If not enabled, 
+            If enabled, the device will get its node id from the device certificate's CN field. If not enabled,
             it will read the node id either from nvs factory partition or mac address, depending on the configuration.
 
     config ESP_RMAKER_MQTT_HOST
@@ -94,7 +94,7 @@ menu "ESP RainMaker Config"
         bool "Use Basic Ingest Topics"
         default y
         help
-            This config enables the use of AWS Basic Ingest Topics for Node to Cloud communication, 
+            This config enables the use of AWS Basic Ingest Topics for Node to Cloud communication,
             which eliminates the MQTT Broker and thus reduces messaging cost.
 
     config ESP_RMAKER_MQTT_ENABLE_BUDGETING

examples/common/app_wifi/app_wifi.c

@@ -482,7 +482,9 @@ esp_err_t app_wifi_start(app_wifi_pop_type_t pop_type)
     if (!provisioned) {
         ESP_LOGI(TAG, "Starting provisioning");
 #ifdef ESP_NETIF_SUPPORTED
+#if CONFIG_ESP_WIFI_SOFTAP_SUPPORT
         esp_netif_create_default_wifi_ap();
+#endif
 #endif
 
         /* What is the Device Service Name that we want

examples/common/ws2812_led/Kconfig

@@ -2,7 +2,7 @@ menu "WS2812 RGB LED"
 
     config WS2812_LED_ENABLE
         bool "Enable RGB LED"
-        default n if IDF_TARGET_ESP32
+        default n if IDF_TARGET_ESP32 || !SOC_RMT_SUPPORTED
         default y
         help
             Disable the WS2812 RGB LED.

examples/fan/main/Kconfig.projbuild

@@ -2,7 +2,7 @@ menu "Example Configuration"
 
     config EXAMPLE_BOARD_BUTTON_GPIO
         int "Boot Button GPIO"
-        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6
+        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32C2
         default 0
         help
             GPIO number on which the "Boot" button is connected. This is generally used

examples/fan/sdkconfig.defaults.esp32c2

@@ -0,0 +1,121 @@
+# Bluetooth
+CONFIG_BT_ENABLED=y
+CONFIG_BT_RELEASE_IRAM=y
+CONFIG_BT_NIMBLE_ENABLED=y
+
+## NimBLE Options
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=2
+CONFIG_BT_NIMBLE_MAX_CCCDS=2
+CONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=3072
+CONFIG_BT_NIMBLE_ROLE_CENTRAL=n
+CONFIG_BT_NIMBLE_ROLE_OBSERVER=n
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=10
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_SIZE=100
+CONFIG_BT_NIMBLE_MSYS_2_BLOCK_COUNT=4
+CONFIG_BT_NIMBLE_ACL_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_HI_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_LO_BUF_COUNT=3
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT=n
+CONFIG_BT_NIMBLE_WHITELIST_SIZE=1
+## Controller Options
+CONFIG_BT_LE_CONTROLLER_TASK_STACK_SIZE=3072
+CONFIG_BT_LE_LL_RESOLV_LIST_SIZE=1
+CONFIG_BT_LE_LL_DUP_SCAN_LIST_COUNT=1
+
+# SPI Configuration
+CONFIG_SPI_MASTER_ISR_IN_IRAM=n
+CONFIG_SPI_SLAVE_ISR_IN_IRAM=n
+
+# Ethernet
+CONFIG_ETH_USE_SPI_ETHERNET=n
+
+# Event Loop Library
+CONFIG_ESP_EVENT_POST_FROM_ISR=n
+
+# Chip revision
+CONFIG_ESP32C2_REV2_DEVELOPMENT=y
+
+# ESP Ringbuf
+CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH=y
+
+# ESP System Settings
+CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE=16
+CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2048
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=3072
+
+# Bypass a bug. Use 26M XTAL Freq
+CONFIG_XTAL_FREQ_26=y
+
+## Memory protection
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n
+
+# High resolution timer (esp_timer)
+CONFIG_ESP_TIMER_TASK_STACK_SIZE=2048
+
+# Wi-Fi
+CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE=n
+CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=3
+CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_IRAM_OPT=n
+CONFIG_ESP32_WIFI_RX_IRAM_OPT=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_OWE_STA=n
+CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE=n
+
+# FreeRTOS
+## Kernel
+CONFIG_FREERTOS_HZ=1000
+CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y
+## Port
+CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=n
+CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
+
+# Hardware Abstraction Layer (HAL) and Low Level (LL)
+CONFIG_HAL_ASSERTION_DISABLE=y
+
+# LWIP
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=16
+CONFIG_LWIP_DHCPS=n
+CONFIG_LWIP_IPV6_AUTOCONFIG=y
+CONFIG_LWIP_MAX_ACTIVE_TCP=5
+CONFIG_LWIP_MAX_LISTENING_TCP=5
+CONFIG_LWIP_TCP_HIGH_SPEED_RETRANSMISSION=n
+CONFIG_LWIP_TCP_SYNMAXRTX=12
+CONFIG_LWIP_TCP_MSL=40000
+CONFIG_LWIP_TCP_FIN_WAIT_TIMEOUT=16000
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=4096
+CONFIG_LWIP_TCP_WND_DEFAULT=2440
+CONFIG_LWIP_TCP_OVERSIZE_QUARTER_MSS=y
+CONFIG_LWIP_TCP_RTO_TIME=1500
+CONFIG_LWIP_MAX_UDP_PCBS=8
+CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=2560
+CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT=y
+CONFIG_LWIP_HOOK_ND6_GET_GW_DEFAULT=y
+
+# mbedTLS
+CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CA_CERT=y
+CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE=n
+CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN=y
+
+# SPI Flash driver
+CONFIG_SPI_FLASH_ROM_DRIVER_PATCH=n
+CONFIG_SPI_FLASH_ROM_IMPL=y
+
+# Websocket
+CONFIG_WS_TRANSPORT=n
+
+# Virtual file system
+CONFIG_VFS_SUPPORT_DIR=n
+CONFIG_VFS_SUPPORT_SELECT=n
+CONFIG_VFS_SUPPORT_TERMIOS=n
+
+# Wear Levelling
+CONFIG_WL_SECTOR_SIZE_512=y

examples/gpio/main/Kconfig.projbuild

@@ -2,7 +2,7 @@ menu "Example Configuration"
 
     config EXAMPLE_BOARD_BUTTON_GPIO
         int "Boot Button GPIO"
-        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6
+        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32C2
         default 0
         help
             GPIO number on which the "Boot" button is connected. This is generally used

examples/gpio/sdkconfig.defaults.esp32c2

@@ -0,0 +1,121 @@
+# Bluetooth
+CONFIG_BT_ENABLED=y
+CONFIG_BT_RELEASE_IRAM=y
+CONFIG_BT_NIMBLE_ENABLED=y
+
+## NimBLE Options
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=2
+CONFIG_BT_NIMBLE_MAX_CCCDS=2
+CONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=3072
+CONFIG_BT_NIMBLE_ROLE_CENTRAL=n
+CONFIG_BT_NIMBLE_ROLE_OBSERVER=n
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=10
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_SIZE=100
+CONFIG_BT_NIMBLE_MSYS_2_BLOCK_COUNT=4
+CONFIG_BT_NIMBLE_ACL_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_HI_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_LO_BUF_COUNT=3
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT=n
+CONFIG_BT_NIMBLE_WHITELIST_SIZE=1
+## Controller Options
+CONFIG_BT_LE_CONTROLLER_TASK_STACK_SIZE=3072
+CONFIG_BT_LE_LL_RESOLV_LIST_SIZE=1
+CONFIG_BT_LE_LL_DUP_SCAN_LIST_COUNT=1
+
+# SPI Configuration
+CONFIG_SPI_MASTER_ISR_IN_IRAM=n
+CONFIG_SPI_SLAVE_ISR_IN_IRAM=n
+
+# Ethernet
+CONFIG_ETH_USE_SPI_ETHERNET=n
+
+# Event Loop Library
+CONFIG_ESP_EVENT_POST_FROM_ISR=n
+
+# Chip revision
+CONFIG_ESP32C2_REV2_DEVELOPMENT=y
+
+# ESP Ringbuf
+CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH=y
+
+# ESP System Settings
+CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE=16
+CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2048
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=3072
+
+# Bypass a bug. Use 26M XTAL Freq
+CONFIG_XTAL_FREQ_26=y
+
+## Memory protection
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n
+
+# High resolution timer (esp_timer)
+CONFIG_ESP_TIMER_TASK_STACK_SIZE=2048
+
+# Wi-Fi
+CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE=n
+CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=3
+CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_IRAM_OPT=n
+CONFIG_ESP32_WIFI_RX_IRAM_OPT=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_OWE_STA=n
+CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE=n
+
+# FreeRTOS
+## Kernel
+CONFIG_FREERTOS_HZ=1000
+CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y
+## Port
+CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=n
+CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
+
+# Hardware Abstraction Layer (HAL) and Low Level (LL)
+CONFIG_HAL_ASSERTION_DISABLE=y
+
+# LWIP
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=16
+CONFIG_LWIP_DHCPS=n
+CONFIG_LWIP_IPV6_AUTOCONFIG=y
+CONFIG_LWIP_MAX_ACTIVE_TCP=5
+CONFIG_LWIP_MAX_LISTENING_TCP=5
+CONFIG_LWIP_TCP_HIGH_SPEED_RETRANSMISSION=n
+CONFIG_LWIP_TCP_SYNMAXRTX=12
+CONFIG_LWIP_TCP_MSL=40000
+CONFIG_LWIP_TCP_FIN_WAIT_TIMEOUT=16000
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=4096
+CONFIG_LWIP_TCP_WND_DEFAULT=2440
+CONFIG_LWIP_TCP_OVERSIZE_QUARTER_MSS=y
+CONFIG_LWIP_TCP_RTO_TIME=1500
+CONFIG_LWIP_MAX_UDP_PCBS=8
+CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=2560
+CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT=y
+CONFIG_LWIP_HOOK_ND6_GET_GW_DEFAULT=y
+
+# mbedTLS
+CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CA_CERT=y
+CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE=n
+CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN=y
+
+# SPI Flash driver
+CONFIG_SPI_FLASH_ROM_DRIVER_PATCH=n
+CONFIG_SPI_FLASH_ROM_IMPL=y
+
+# Websocket
+CONFIG_WS_TRANSPORT=n
+
+# Virtual file system
+CONFIG_VFS_SUPPORT_DIR=n
+CONFIG_VFS_SUPPORT_SELECT=n
+CONFIG_VFS_SUPPORT_TERMIOS=n
+
+# Wear Levelling
+CONFIG_WL_SECTOR_SIZE_512=y

examples/homekit_switch/main/Kconfig.projbuild

@@ -26,7 +26,7 @@ menu "Example Configuration"
     config EXAMPLE_BOARD_BUTTON_GPIO
 
         int "Boot Button GPIO"
-        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6
+        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32C2
         default 0
         help
             GPIO number on which the "Boot" button is connected. This is generally used

examples/homekit_switch/sdkconfig.defaults.esp32c2

@@ -0,0 +1,121 @@
+# Bluetooth
+CONFIG_BT_ENABLED=y
+CONFIG_BT_RELEASE_IRAM=y
+CONFIG_BT_NIMBLE_ENABLED=y
+
+## NimBLE Options
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=2
+CONFIG_BT_NIMBLE_MAX_CCCDS=2
+CONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=3072
+CONFIG_BT_NIMBLE_ROLE_CENTRAL=n
+CONFIG_BT_NIMBLE_ROLE_OBSERVER=n
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=10
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_SIZE=100
+CONFIG_BT_NIMBLE_MSYS_2_BLOCK_COUNT=4
+CONFIG_BT_NIMBLE_ACL_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_HI_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_LO_BUF_COUNT=3
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT=n
+CONFIG_BT_NIMBLE_WHITELIST_SIZE=1
+## Controller Options
+CONFIG_BT_LE_CONTROLLER_TASK_STACK_SIZE=3072
+CONFIG_BT_LE_LL_RESOLV_LIST_SIZE=1
+CONFIG_BT_LE_LL_DUP_SCAN_LIST_COUNT=1
+
+# SPI Configuration
+CONFIG_SPI_MASTER_ISR_IN_IRAM=n
+CONFIG_SPI_SLAVE_ISR_IN_IRAM=n
+
+# Ethernet
+CONFIG_ETH_USE_SPI_ETHERNET=n
+
+# Event Loop Library
+CONFIG_ESP_EVENT_POST_FROM_ISR=n
+
+# Chip revision
+CONFIG_ESP32C2_REV2_DEVELOPMENT=y
+
+# ESP Ringbuf
+CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH=y
+
+# ESP System Settings
+CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE=16
+CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2048
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=3072
+
+# Bypass a bug. Use 26M XTAL Freq
+CONFIG_XTAL_FREQ_26=y
+
+## Memory protection
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n
+
+# High resolution timer (esp_timer)
+CONFIG_ESP_TIMER_TASK_STACK_SIZE=2048
+
+# Wi-Fi
+CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE=n
+CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=3
+CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_IRAM_OPT=n
+CONFIG_ESP32_WIFI_RX_IRAM_OPT=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_OWE_STA=n
+CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE=n
+
+# FreeRTOS
+## Kernel
+CONFIG_FREERTOS_HZ=1000
+CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y
+## Port
+CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=n
+CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
+
+# Hardware Abstraction Layer (HAL) and Low Level (LL)
+CONFIG_HAL_ASSERTION_DISABLE=y
+
+# LWIP
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=16
+CONFIG_LWIP_DHCPS=n
+CONFIG_LWIP_IPV6_AUTOCONFIG=y
+CONFIG_LWIP_MAX_ACTIVE_TCP=5
+CONFIG_LWIP_MAX_LISTENING_TCP=5
+CONFIG_LWIP_TCP_HIGH_SPEED_RETRANSMISSION=n
+CONFIG_LWIP_TCP_SYNMAXRTX=12
+CONFIG_LWIP_TCP_MSL=40000
+CONFIG_LWIP_TCP_FIN_WAIT_TIMEOUT=16000
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=4096
+CONFIG_LWIP_TCP_WND_DEFAULT=2440
+CONFIG_LWIP_TCP_OVERSIZE_QUARTER_MSS=y
+CONFIG_LWIP_TCP_RTO_TIME=1500
+CONFIG_LWIP_MAX_UDP_PCBS=8
+CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=2560
+CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT=y
+CONFIG_LWIP_HOOK_ND6_GET_GW_DEFAULT=y
+
+# mbedTLS
+CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CA_CERT=y
+CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE=n
+CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN=y
+
+# SPI Flash driver
+CONFIG_SPI_FLASH_ROM_DRIVER_PATCH=n
+CONFIG_SPI_FLASH_ROM_IMPL=y
+
+# Websocket
+CONFIG_WS_TRANSPORT=n
+
+# Virtual file system
+CONFIG_VFS_SUPPORT_DIR=n
+CONFIG_VFS_SUPPORT_SELECT=n
+CONFIG_VFS_SUPPORT_TERMIOS=n
+
+# Wear Levelling
+CONFIG_WL_SECTOR_SIZE_512=y

examples/led_light/main/Kconfig.projbuild

@@ -2,7 +2,7 @@ menu "Example Configuration"
 
     config EXAMPLE_BOARD_BUTTON_GPIO
         int "Boot Button GPIO"
-        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6
+        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32C2
         default 0
         help
             GPIO number on which the "Boot" button is connected. This is generally used

examples/led_light/main/app_main.c

@@ -17,6 +17,7 @@
 #include <esp_rmaker_standard_params.h>
 #include <esp_rmaker_standard_devices.h>
 #include <esp_rmaker_schedule.h>
+#include <esp_rmaker_console.h>
 #include <esp_rmaker_scenes.h>
 
 #include <app_wifi.h>
@@ -119,6 +120,7 @@ void app_main()
     /* Initialize Application specific hardware drivers and
      * set initial state.
      */
+    esp_rmaker_console_init();
     app_driver_init();
 
     /* Initialize NVS. */
@@ -132,7 +134,7 @@ void app_main()
     /* Initialize Wi-Fi. Note that, this should be called before esp_rmaker_node_init()
      */
     app_wifi_init();
-    
+
     /* Initialize the ESP RainMaker Agent.
      * Note that this should be called after app_wifi_init() but before app_wifi_start()
      * */

examples/led_light/sdkconfig.defaults.esp32c2

@@ -0,0 +1,121 @@
+# Bluetooth
+CONFIG_BT_ENABLED=y
+CONFIG_BT_RELEASE_IRAM=y
+CONFIG_BT_NIMBLE_ENABLED=y
+
+## NimBLE Options
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=2
+CONFIG_BT_NIMBLE_MAX_CCCDS=2
+CONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=3072
+CONFIG_BT_NIMBLE_ROLE_CENTRAL=n
+CONFIG_BT_NIMBLE_ROLE_OBSERVER=n
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=10
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_SIZE=100
+CONFIG_BT_NIMBLE_MSYS_2_BLOCK_COUNT=4
+CONFIG_BT_NIMBLE_ACL_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_HI_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_LO_BUF_COUNT=3
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT=n
+CONFIG_BT_NIMBLE_WHITELIST_SIZE=1
+## Controller Options
+CONFIG_BT_LE_CONTROLLER_TASK_STACK_SIZE=3072
+CONFIG_BT_LE_LL_RESOLV_LIST_SIZE=1
+CONFIG_BT_LE_LL_DUP_SCAN_LIST_COUNT=1
+
+# SPI Configuration
+CONFIG_SPI_MASTER_ISR_IN_IRAM=n
+CONFIG_SPI_SLAVE_ISR_IN_IRAM=n
+
+# Ethernet
+CONFIG_ETH_USE_SPI_ETHERNET=n
+
+# Event Loop Library
+CONFIG_ESP_EVENT_POST_FROM_ISR=n
+
+# Chip revision
+CONFIG_ESP32C2_REV2_DEVELOPMENT=y
+
+# ESP Ringbuf
+CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH=y
+
+# ESP System Settings
+CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE=16
+CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2048
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=3072
+
+# Bypass a bug. Use 26M XTAL Freq
+CONFIG_XTAL_FREQ_26=y
+
+## Memory protection
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n
+
+# High resolution timer (esp_timer)
+CONFIG_ESP_TIMER_TASK_STACK_SIZE=2048
+
+# Wi-Fi
+CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE=n
+CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=3
+CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_IRAM_OPT=n
+CONFIG_ESP32_WIFI_RX_IRAM_OPT=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_OWE_STA=n
+CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE=n
+
+# FreeRTOS
+## Kernel
+CONFIG_FREERTOS_HZ=1000
+CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y
+## Port
+CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=n
+CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
+
+# Hardware Abstraction Layer (HAL) and Low Level (LL)
+CONFIG_HAL_ASSERTION_DISABLE=y
+
+# LWIP
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=16
+CONFIG_LWIP_DHCPS=n
+CONFIG_LWIP_IPV6_AUTOCONFIG=y
+CONFIG_LWIP_MAX_ACTIVE_TCP=5
+CONFIG_LWIP_MAX_LISTENING_TCP=5
+CONFIG_LWIP_TCP_HIGH_SPEED_RETRANSMISSION=n
+CONFIG_LWIP_TCP_SYNMAXRTX=12
+CONFIG_LWIP_TCP_MSL=40000
+CONFIG_LWIP_TCP_FIN_WAIT_TIMEOUT=16000
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=4096
+CONFIG_LWIP_TCP_WND_DEFAULT=2440
+CONFIG_LWIP_TCP_OVERSIZE_QUARTER_MSS=y
+CONFIG_LWIP_TCP_RTO_TIME=1500
+CONFIG_LWIP_MAX_UDP_PCBS=8
+CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=2560
+CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT=y
+CONFIG_LWIP_HOOK_ND6_GET_GW_DEFAULT=y
+
+# mbedTLS
+CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CA_CERT=y
+CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE=n
+CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN=y
+
+# SPI Flash driver
+CONFIG_SPI_FLASH_ROM_DRIVER_PATCH=n
+CONFIG_SPI_FLASH_ROM_IMPL=y
+
+# Websocket
+CONFIG_WS_TRANSPORT=n
+
+# Virtual file system
+CONFIG_VFS_SUPPORT_DIR=n
+CONFIG_VFS_SUPPORT_SELECT=n
+CONFIG_VFS_SUPPORT_TERMIOS=n
+
+# Wear Levelling
+CONFIG_WL_SECTOR_SIZE_512=y

examples/matter/matter_controller/CMakeLists.txt

@@ -21,6 +21,8 @@ if(NOT DEFINED ENV{ESP_MATTER_DEVICE_PATH})
         set(ENV{ESP_MATTER_DEVICE_PATH} $ENV{ESP_MATTER_PATH}/device_hal/device/esp32s3_devkit_c)
     elseif("${IDF_TARGET}" STREQUAL "esp32c6")
         set(ENV{ESP_MATTER_DEVICE_PATH} $ENV{ESP_MATTER_PATH}/device_hal/device/esp32c6_devkit_c)
+    elseif("${IDF_TARGET}" STREQUAL "esp32c2")
+        set(ENV{ESP_MATTER_DEVICE_PATH} $ENV{ESP_MATTER_PATH}/device_hal/device/esp32c2_devkit_m)
     else()
         message(FATAL_ERROR "Unsupported IDF_TARGET")
     endif()

examples/matter/matter_controller_with_touchscreen/CMakeLists.txt

@@ -39,7 +39,7 @@ set(EXTRA_COMPONENT_DIRS
     "${RMAKER_PATH}/components"
     ${extra_components_dirs_append})
 
-add_compile_options(-fdiagnostics-color=always) 
+add_compile_options(-fdiagnostics-color=always)
 
 idf_build_set_property(__BUILD_COMPONENT_DEPGRAPH_ENABLED 1)
 

examples/matter/matter_light/CMakeLists.txt

@@ -21,6 +21,8 @@ if(NOT DEFINED ENV{ESP_MATTER_DEVICE_PATH})
         set(ENV{ESP_MATTER_DEVICE_PATH} $ENV{ESP_MATTER_PATH}/device_hal/device/esp32s3_devkit_c)
     elseif("${IDF_TARGET}" STREQUAL "esp32c6")
         set(ENV{ESP_MATTER_DEVICE_PATH} $ENV{ESP_MATTER_PATH}/device_hal/device/esp32c6_devkit_c)
+    elseif("${IDF_TARGET}" STREQUAL "esp32c2")
+        set(ENV{ESP_MATTER_DEVICE_PATH} $ENV{ESP_MATTER_PATH}/device_hal/device/esp32c2_devkit_m)
     else()
         message(FATAL_ERROR "Unsupported IDF_TARGET")
     endif()

examples/matter/matter_light/sdkconfig.defaults.esp32c2

@@ -0,0 +1,121 @@
+# Bluetooth
+CONFIG_BT_ENABLED=y
+CONFIG_BT_RELEASE_IRAM=y
+CONFIG_BT_NIMBLE_ENABLED=y
+
+## NimBLE Options
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=2
+CONFIG_BT_NIMBLE_MAX_CCCDS=2
+CONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=3072
+CONFIG_BT_NIMBLE_ROLE_CENTRAL=n
+CONFIG_BT_NIMBLE_ROLE_OBSERVER=n
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=10
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_SIZE=100
+CONFIG_BT_NIMBLE_MSYS_2_BLOCK_COUNT=4
+CONFIG_BT_NIMBLE_ACL_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_HI_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_LO_BUF_COUNT=3
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT=n
+CONFIG_BT_NIMBLE_WHITELIST_SIZE=1
+## Controller Options
+CONFIG_BT_LE_CONTROLLER_TASK_STACK_SIZE=3072
+CONFIG_BT_LE_LL_RESOLV_LIST_SIZE=1
+CONFIG_BT_LE_LL_DUP_SCAN_LIST_COUNT=1
+
+# SPI Configuration
+CONFIG_SPI_MASTER_ISR_IN_IRAM=n
+CONFIG_SPI_SLAVE_ISR_IN_IRAM=n
+
+# Ethernet
+CONFIG_ETH_USE_SPI_ETHERNET=n
+
+# Event Loop Library
+CONFIG_ESP_EVENT_POST_FROM_ISR=n
+
+# Chip revision
+CONFIG_ESP32C2_REV2_DEVELOPMENT=y
+
+# ESP Ringbuf
+CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH=y
+
+# ESP System Settings
+CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE=16
+CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2048
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=3072
+
+# Bypass a bug. Use 26M XTAL Freq
+CONFIG_XTAL_FREQ_26=y
+
+## Memory protection
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n
+
+# High resolution timer (esp_timer)
+CONFIG_ESP_TIMER_TASK_STACK_SIZE=2048
+
+# Wi-Fi
+CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE=n
+CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=3
+CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_IRAM_OPT=n
+CONFIG_ESP32_WIFI_RX_IRAM_OPT=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_OWE_STA=n
+CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE=n
+
+# FreeRTOS
+## Kernel
+CONFIG_FREERTOS_HZ=1000
+CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y
+## Port
+CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=n
+CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
+
+# Hardware Abstraction Layer (HAL) and Low Level (LL)
+CONFIG_HAL_ASSERTION_DISABLE=y
+
+# LWIP
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=16
+CONFIG_LWIP_DHCPS=n
+CONFIG_LWIP_IPV6_AUTOCONFIG=y
+CONFIG_LWIP_MAX_ACTIVE_TCP=5
+CONFIG_LWIP_MAX_LISTENING_TCP=5
+CONFIG_LWIP_TCP_HIGH_SPEED_RETRANSMISSION=n
+CONFIG_LWIP_TCP_SYNMAXRTX=12
+CONFIG_LWIP_TCP_MSL=40000
+CONFIG_LWIP_TCP_FIN_WAIT_TIMEOUT=16000
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=4096
+CONFIG_LWIP_TCP_WND_DEFAULT=2440
+CONFIG_LWIP_TCP_OVERSIZE_QUARTER_MSS=y
+CONFIG_LWIP_TCP_RTO_TIME=1500
+CONFIG_LWIP_MAX_UDP_PCBS=8
+CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=2560
+CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT=y
+CONFIG_LWIP_HOOK_ND6_GET_GW_DEFAULT=y
+
+# mbedTLS
+CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CA_CERT=y
+CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE=n
+CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN=y
+
+# SPI Flash driver
+CONFIG_SPI_FLASH_ROM_DRIVER_PATCH=n
+CONFIG_SPI_FLASH_ROM_IMPL=y
+
+# Websocket
+CONFIG_WS_TRANSPORT=n
+
+# Virtual file system
+CONFIG_VFS_SUPPORT_DIR=n
+CONFIG_VFS_SUPPORT_SELECT=n
+CONFIG_VFS_SUPPORT_TERMIOS=n
+
+# Wear Levelling
+CONFIG_WL_SECTOR_SIZE_512=y

examples/matter/matter_switch/CMakeLists.txt

@@ -21,6 +21,8 @@ if(NOT DEFINED ENV{ESP_MATTER_DEVICE_PATH})
         set(ENV{ESP_MATTER_DEVICE_PATH} $ENV{ESP_MATTER_PATH}/device_hal/device/esp32s3_devkit_c)
     elseif("${IDF_TARGET}" STREQUAL "esp32c6")
         set(ENV{ESP_MATTER_DEVICE_PATH} $ENV{ESP_MATTER_PATH}/device_hal/device/esp32c6_devkit_c)
+    elseif("${IDF_TARGET}" STREQUAL "esp32c2")
+        set(ENV{ESP_MATTER_DEVICE_PATH} $ENV{ESP_MATTER_PATH}/device_hal/device/esp32c2_devkit_m)
     else()
         message(FATAL_ERROR "Unsupported IDF_TARGET")
     endif()

examples/matter/matter_switch/sdkconfig.defaults.esp32c2

@@ -0,0 +1,121 @@
+# Bluetooth
+CONFIG_BT_ENABLED=y
+CONFIG_BT_RELEASE_IRAM=y
+CONFIG_BT_NIMBLE_ENABLED=y
+
+## NimBLE Options
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=2
+CONFIG_BT_NIMBLE_MAX_CCCDS=2
+CONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=3072
+CONFIG_BT_NIMBLE_ROLE_CENTRAL=n
+CONFIG_BT_NIMBLE_ROLE_OBSERVER=n
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=10
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_SIZE=100
+CONFIG_BT_NIMBLE_MSYS_2_BLOCK_COUNT=4
+CONFIG_BT_NIMBLE_ACL_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_HI_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_LO_BUF_COUNT=3
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT=n
+CONFIG_BT_NIMBLE_WHITELIST_SIZE=1
+## Controller Options
+CONFIG_BT_LE_CONTROLLER_TASK_STACK_SIZE=3072
+CONFIG_BT_LE_LL_RESOLV_LIST_SIZE=1
+CONFIG_BT_LE_LL_DUP_SCAN_LIST_COUNT=1
+
+# SPI Configuration
+CONFIG_SPI_MASTER_ISR_IN_IRAM=n
+CONFIG_SPI_SLAVE_ISR_IN_IRAM=n
+
+# Ethernet
+CONFIG_ETH_USE_SPI_ETHERNET=n
+
+# Event Loop Library
+CONFIG_ESP_EVENT_POST_FROM_ISR=n
+
+# Chip revision
+CONFIG_ESP32C2_REV2_DEVELOPMENT=y
+
+# ESP Ringbuf
+CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH=y
+
+# ESP System Settings
+CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE=16
+CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2048
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=3072
+
+# Bypass a bug. Use 26M XTAL Freq
+CONFIG_XTAL_FREQ_26=y
+
+## Memory protection
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n
+
+# High resolution timer (esp_timer)
+CONFIG_ESP_TIMER_TASK_STACK_SIZE=2048
+
+# Wi-Fi
+CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE=n
+CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=3
+CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_IRAM_OPT=n
+CONFIG_ESP32_WIFI_RX_IRAM_OPT=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_OWE_STA=n
+CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE=n
+
+# FreeRTOS
+## Kernel
+CONFIG_FREERTOS_HZ=1000
+CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y
+## Port
+CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=n
+CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
+
+# Hardware Abstraction Layer (HAL) and Low Level (LL)
+CONFIG_HAL_ASSERTION_DISABLE=y
+
+# LWIP
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=16
+CONFIG_LWIP_DHCPS=n
+CONFIG_LWIP_IPV6_AUTOCONFIG=y
+CONFIG_LWIP_MAX_ACTIVE_TCP=5
+CONFIG_LWIP_MAX_LISTENING_TCP=5
+CONFIG_LWIP_TCP_HIGH_SPEED_RETRANSMISSION=n
+CONFIG_LWIP_TCP_SYNMAXRTX=12
+CONFIG_LWIP_TCP_MSL=40000
+CONFIG_LWIP_TCP_FIN_WAIT_TIMEOUT=16000
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=4096
+CONFIG_LWIP_TCP_WND_DEFAULT=2440
+CONFIG_LWIP_TCP_OVERSIZE_QUARTER_MSS=y
+CONFIG_LWIP_TCP_RTO_TIME=1500
+CONFIG_LWIP_MAX_UDP_PCBS=8
+CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=2560
+CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT=y
+CONFIG_LWIP_HOOK_ND6_GET_GW_DEFAULT=y
+
+# mbedTLS
+CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CA_CERT=y
+CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE=n
+CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN=y
+
+# SPI Flash driver
+CONFIG_SPI_FLASH_ROM_DRIVER_PATCH=n
+CONFIG_SPI_FLASH_ROM_IMPL=y
+
+# Websocket
+CONFIG_WS_TRANSPORT=n
+
+# Virtual file system
+CONFIG_VFS_SUPPORT_DIR=n
+CONFIG_VFS_SUPPORT_SELECT=n
+CONFIG_VFS_SUPPORT_TERMIOS=n
+
+# Wear Levelling
+CONFIG_WL_SECTOR_SIZE_512=y

examples/multi_device/main/Kconfig.projbuild

@@ -2,7 +2,7 @@ menu "Example Configuration"
 
     config EXAMPLE_BOARD_BUTTON_GPIO
         int "Boot Button GPIO"
-        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6
+        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32C2
         default 0
         help
             GPIO number on which the "Boot" button is connected. This is generally used

examples/multi_device/sdkconfig.defaults.esp32c2

@@ -0,0 +1,121 @@
+# Bluetooth
+CONFIG_BT_ENABLED=y
+CONFIG_BT_RELEASE_IRAM=y
+CONFIG_BT_NIMBLE_ENABLED=y
+
+## NimBLE Options
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=2
+CONFIG_BT_NIMBLE_MAX_CCCDS=2
+CONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=3072
+CONFIG_BT_NIMBLE_ROLE_CENTRAL=n
+CONFIG_BT_NIMBLE_ROLE_OBSERVER=n
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=10
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_SIZE=100
+CONFIG_BT_NIMBLE_MSYS_2_BLOCK_COUNT=4
+CONFIG_BT_NIMBLE_ACL_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_HI_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_LO_BUF_COUNT=3
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT=n
+CONFIG_BT_NIMBLE_WHITELIST_SIZE=1
+## Controller Options
+CONFIG_BT_LE_CONTROLLER_TASK_STACK_SIZE=3072
+CONFIG_BT_LE_LL_RESOLV_LIST_SIZE=1
+CONFIG_BT_LE_LL_DUP_SCAN_LIST_COUNT=1
+
+# SPI Configuration
+CONFIG_SPI_MASTER_ISR_IN_IRAM=n
+CONFIG_SPI_SLAVE_ISR_IN_IRAM=n
+
+# Ethernet
+CONFIG_ETH_USE_SPI_ETHERNET=n
+
+# Event Loop Library
+CONFIG_ESP_EVENT_POST_FROM_ISR=n
+
+# Chip revision
+CONFIG_ESP32C2_REV2_DEVELOPMENT=y
+
+# ESP Ringbuf
+CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH=y
+
+# ESP System Settings
+CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE=16
+CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2048
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=3072
+
+# Bypass a bug. Use 26M XTAL Freq
+CONFIG_XTAL_FREQ_26=y
+
+## Memory protection
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n
+
+# High resolution timer (esp_timer)
+CONFIG_ESP_TIMER_TASK_STACK_SIZE=2048
+
+# Wi-Fi
+CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE=n
+CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=3
+CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_IRAM_OPT=n
+CONFIG_ESP32_WIFI_RX_IRAM_OPT=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_OWE_STA=n
+CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE=n
+
+# FreeRTOS
+## Kernel
+CONFIG_FREERTOS_HZ=1000
+CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y
+## Port
+CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=n
+CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
+
+# Hardware Abstraction Layer (HAL) and Low Level (LL)
+CONFIG_HAL_ASSERTION_DISABLE=y
+
+# LWIP
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=16
+CONFIG_LWIP_DHCPS=n
+CONFIG_LWIP_IPV6_AUTOCONFIG=y
+CONFIG_LWIP_MAX_ACTIVE_TCP=5
+CONFIG_LWIP_MAX_LISTENING_TCP=5
+CONFIG_LWIP_TCP_HIGH_SPEED_RETRANSMISSION=n
+CONFIG_LWIP_TCP_SYNMAXRTX=12
+CONFIG_LWIP_TCP_MSL=40000
+CONFIG_LWIP_TCP_FIN_WAIT_TIMEOUT=16000
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=4096
+CONFIG_LWIP_TCP_WND_DEFAULT=2440
+CONFIG_LWIP_TCP_OVERSIZE_QUARTER_MSS=y
+CONFIG_LWIP_TCP_RTO_TIME=1500
+CONFIG_LWIP_MAX_UDP_PCBS=8
+CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=2560
+CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT=y
+CONFIG_LWIP_HOOK_ND6_GET_GW_DEFAULT=y
+
+# mbedTLS
+CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CA_CERT=y
+CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE=n
+CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN=y
+
+# SPI Flash driver
+CONFIG_SPI_FLASH_ROM_DRIVER_PATCH=n
+CONFIG_SPI_FLASH_ROM_IMPL=y
+
+# Websocket
+CONFIG_WS_TRANSPORT=n
+
+# Virtual file system
+CONFIG_VFS_SUPPORT_DIR=n
+CONFIG_VFS_SUPPORT_SELECT=n
+CONFIG_VFS_SUPPORT_TERMIOS=n
+
+# Wear Levelling
+CONFIG_WL_SECTOR_SIZE_512=y

examples/switch/main/Kconfig.projbuild

@@ -2,7 +2,7 @@ menu "Example Configuration"
 
     config EXAMPLE_BOARD_BUTTON_GPIO
         int "Boot Button GPIO"
-        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6
+        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32C2
         default 0
         help
             GPIO number on which the "Boot" button is connected. This is generally used

examples/switch/sdkconfig.defaults.esp32c2

@@ -0,0 +1,121 @@
+# Bluetooth
+CONFIG_BT_ENABLED=y
+CONFIG_BT_RELEASE_IRAM=y
+CONFIG_BT_NIMBLE_ENABLED=y
+
+## NimBLE Options
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=2
+CONFIG_BT_NIMBLE_MAX_CCCDS=2
+CONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=3072
+CONFIG_BT_NIMBLE_ROLE_CENTRAL=n
+CONFIG_BT_NIMBLE_ROLE_OBSERVER=n
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=10
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_SIZE=100
+CONFIG_BT_NIMBLE_MSYS_2_BLOCK_COUNT=4
+CONFIG_BT_NIMBLE_ACL_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_HI_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_LO_BUF_COUNT=3
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT=n
+CONFIG_BT_NIMBLE_WHITELIST_SIZE=1
+## Controller Options
+CONFIG_BT_LE_CONTROLLER_TASK_STACK_SIZE=3072
+CONFIG_BT_LE_LL_RESOLV_LIST_SIZE=1
+CONFIG_BT_LE_LL_DUP_SCAN_LIST_COUNT=1
+
+# SPI Configuration
+CONFIG_SPI_MASTER_ISR_IN_IRAM=n
+CONFIG_SPI_SLAVE_ISR_IN_IRAM=n
+
+# Ethernet
+CONFIG_ETH_USE_SPI_ETHERNET=n
+
+# Event Loop Library
+CONFIG_ESP_EVENT_POST_FROM_ISR=n
+
+# Chip revision
+CONFIG_ESP32C2_REV2_DEVELOPMENT=y
+
+# ESP Ringbuf
+CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH=y
+
+# ESP System Settings
+CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE=16
+CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2048
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=3072
+
+# Bypass a bug. Use 26M XTAL Freq
+CONFIG_XTAL_FREQ_26=y
+
+## Memory protection
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n
+
+# High resolution timer (esp_timer)
+CONFIG_ESP_TIMER_TASK_STACK_SIZE=2048
+
+# Wi-Fi
+CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE=n
+CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=3
+CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_IRAM_OPT=n
+CONFIG_ESP32_WIFI_RX_IRAM_OPT=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_OWE_STA=n
+CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE=n
+
+# FreeRTOS
+## Kernel
+CONFIG_FREERTOS_HZ=1000
+CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y
+## Port
+CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=n
+CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
+
+# Hardware Abstraction Layer (HAL) and Low Level (LL)
+CONFIG_HAL_ASSERTION_DISABLE=y
+
+# LWIP
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=16
+CONFIG_LWIP_DHCPS=n
+CONFIG_LWIP_IPV6_AUTOCONFIG=y
+CONFIG_LWIP_MAX_ACTIVE_TCP=5
+CONFIG_LWIP_MAX_LISTENING_TCP=5
+CONFIG_LWIP_TCP_HIGH_SPEED_RETRANSMISSION=n
+CONFIG_LWIP_TCP_SYNMAXRTX=12
+CONFIG_LWIP_TCP_MSL=40000
+CONFIG_LWIP_TCP_FIN_WAIT_TIMEOUT=16000
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=4096
+CONFIG_LWIP_TCP_WND_DEFAULT=2440
+CONFIG_LWIP_TCP_OVERSIZE_QUARTER_MSS=y
+CONFIG_LWIP_TCP_RTO_TIME=1500
+CONFIG_LWIP_MAX_UDP_PCBS=8
+CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=2560
+CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT=y
+CONFIG_LWIP_HOOK_ND6_GET_GW_DEFAULT=y
+
+# mbedTLS
+CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CA_CERT=y
+CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE=n
+CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN=y
+
+# SPI Flash driver
+CONFIG_SPI_FLASH_ROM_DRIVER_PATCH=n
+CONFIG_SPI_FLASH_ROM_IMPL=y
+
+# Websocket
+CONFIG_WS_TRANSPORT=n
+
+# Virtual file system
+CONFIG_VFS_SUPPORT_DIR=n
+CONFIG_VFS_SUPPORT_SELECT=n
+CONFIG_VFS_SUPPORT_TERMIOS=n
+
+# Wear Levelling
+CONFIG_WL_SECTOR_SIZE_512=y

examples/temperature_sensor/main/Kconfig.projbuild

@@ -2,7 +2,7 @@ menu "Example Configuration"
 
     config EXAMPLE_BOARD_BUTTON_GPIO
         int "Boot Button GPIO"
-        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6
+        default 9 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32C2
         default 0
         help
             GPIO number on which the "Boot" button is connected. This is generally used

examples/temperature_sensor/sdkconfig.defaults.esp32c2

@@ -0,0 +1,121 @@
+# Bluetooth
+CONFIG_BT_ENABLED=y
+CONFIG_BT_RELEASE_IRAM=y
+CONFIG_BT_NIMBLE_ENABLED=y
+
+## NimBLE Options
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=2
+CONFIG_BT_NIMBLE_MAX_CCCDS=2
+CONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=3072
+CONFIG_BT_NIMBLE_ROLE_CENTRAL=n
+CONFIG_BT_NIMBLE_ROLE_OBSERVER=n
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=10
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_SIZE=100
+CONFIG_BT_NIMBLE_MSYS_2_BLOCK_COUNT=4
+CONFIG_BT_NIMBLE_ACL_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_HI_BUF_COUNT=5
+CONFIG_BT_NIMBLE_HCI_EVT_LO_BUF_COUNT=3
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT=n
+CONFIG_BT_NIMBLE_WHITELIST_SIZE=1
+## Controller Options
+CONFIG_BT_LE_CONTROLLER_TASK_STACK_SIZE=3072
+CONFIG_BT_LE_LL_RESOLV_LIST_SIZE=1
+CONFIG_BT_LE_LL_DUP_SCAN_LIST_COUNT=1
+
+# SPI Configuration
+CONFIG_SPI_MASTER_ISR_IN_IRAM=n
+CONFIG_SPI_SLAVE_ISR_IN_IRAM=n
+
+# Ethernet
+CONFIG_ETH_USE_SPI_ETHERNET=n
+
+# Event Loop Library
+CONFIG_ESP_EVENT_POST_FROM_ISR=n
+
+# Chip revision
+CONFIG_ESP32C2_REV2_DEVELOPMENT=y
+
+# ESP Ringbuf
+CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_RINGBUF_PLACE_ISR_FUNCTIONS_INTO_FLASH=y
+
+# ESP System Settings
+CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE=16
+CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2048
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=3072
+
+# Bypass a bug. Use 26M XTAL Freq
+CONFIG_XTAL_FREQ_26=y
+
+## Memory protection
+CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT=n
+
+# High resolution timer (esp_timer)
+CONFIG_ESP_TIMER_TASK_STACK_SIZE=2048
+
+# Wi-Fi
+CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE=n
+CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=3
+CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=6
+CONFIG_ESP32_WIFI_IRAM_OPT=n
+CONFIG_ESP32_WIFI_RX_IRAM_OPT=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_SAE=n
+CONFIG_ESP32_WIFI_ENABLE_WPA3_OWE_STA=n
+CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE=n
+
+# FreeRTOS
+## Kernel
+CONFIG_FREERTOS_HZ=1000
+CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS=y
+## Port
+CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=n
+CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y
+
+# Hardware Abstraction Layer (HAL) and Low Level (LL)
+CONFIG_HAL_ASSERTION_DISABLE=y
+
+# LWIP
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=16
+CONFIG_LWIP_DHCPS=n
+CONFIG_LWIP_IPV6_AUTOCONFIG=y
+CONFIG_LWIP_MAX_ACTIVE_TCP=5
+CONFIG_LWIP_MAX_LISTENING_TCP=5
+CONFIG_LWIP_TCP_HIGH_SPEED_RETRANSMISSION=n
+CONFIG_LWIP_TCP_SYNMAXRTX=12
+CONFIG_LWIP_TCP_MSL=40000
+CONFIG_LWIP_TCP_FIN_WAIT_TIMEOUT=16000
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=4096
+CONFIG_LWIP_TCP_WND_DEFAULT=2440
+CONFIG_LWIP_TCP_OVERSIZE_QUARTER_MSS=y
+CONFIG_LWIP_TCP_RTO_TIME=1500
+CONFIG_LWIP_MAX_UDP_PCBS=8
+CONFIG_LWIP_TCPIP_TASK_STACK_SIZE=2560
+CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT=y
+CONFIG_LWIP_HOOK_ND6_GET_GW_DEFAULT=y
+
+# mbedTLS
+CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CONFIG_DATA=y
+CONFIG_MBEDTLS_DYNAMIC_FREE_CA_CERT=y
+CONFIG_MBEDTLS_SSL_KEEP_PEER_CERTIFICATE=n
+CONFIG_MBEDTLS_CERTIFICATE_BUNDLE_DEFAULT_CMN=y
+
+# SPI Flash driver
+CONFIG_SPI_FLASH_ROM_DRIVER_PATCH=n
+CONFIG_SPI_FLASH_ROM_IMPL=y
+
+# Websocket
+CONFIG_WS_TRANSPORT=n
+
+# Virtual file system
+CONFIG_VFS_SUPPORT_DIR=n
+CONFIG_VFS_SUPPORT_SELECT=n
+CONFIG_VFS_SUPPORT_TERMIOS=n
+
+# Wear Levelling
+CONFIG_WL_SECTOR_SIZE_512=y