Merge branch 'feat/ram_optimization_v5.5' into 'release/v5.5'

fix(nimble): Add support to minimize ram consumption (v5.5)

See merge request espressif/esp-idf!39618

examples/bluetooth/nimble/ble_cts/cts_cent/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,47 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_cts/cts_prph/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,45 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_dynamic_service/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,48 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_BT_NIMBLE_DYNAMIC_SERVICE=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_enc_adv_data/enc_adv_data_cent/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,49 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_BT_NIMBLE_EXT_ADV=n
+CONFIG_BT_NIMBLE_50_FEATURE_SUPPORT=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_enc_adv_data/enc_adv_data_prph/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,47 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_SIZE=70
+CONFIG_BT_NIMBLE_EXT_ADV=n
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_htp/htp_cent/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,47 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_htp/htp_prph/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,46 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_FREERTOS_TIMER_TASK_STACK_DEPTH=4000
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_l2cap_coc/coc_blecent/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,50 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_BT_NIMBLE_L2CAP_COC_MAX_NUM=1
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=30
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_SIZE=512
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_l2cap_coc/coc_bleprph/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,50 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_BT_NIMBLE_L2CAP_COC_MAX_NUM=1
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_COUNT=30
+CONFIG_BT_NIMBLE_MSYS_1_BLOCK_SIZE=512
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_multi_adv/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,49 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_BT_NIMBLE_EXT_ADV=y
+CONFIG_BT_NIMBLE_MAX_EXT_ADV_INSTANCES=4
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_periodic_adv/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,50 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_EXAMPLE_EXTENDED_ADV=y
+CONFIG_BT_NIMBLE_EXT_ADV=y
+CONFIG_BT_NIMBLE_MAX_PERIODIC_SYNCS=1
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_periodic_sync/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,50 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_EXAMPLE_EXTENDED_ADV=y
+CONFIG_BT_NIMBLE_EXT_ADV=y
+CONFIG_BT_NIMBLE_MAX_PERIODIC_SYNCS=1
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_phy/phy_cent/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,49 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_BT_NIMBLE_EXT_ADV=y
+CONFIG_BT_NIMBLE_BLE_GATT_BLOB_TRANSFER=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_phy/phy_prph/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,47 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_BT_NIMBLE_EXT_ADV=y
+CONFIG_BT_NIMBLE_BLE_GATT_BLOB_TRANSFER=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_proximity_sensor/proximity_sensor_cent/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,47 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_proximity_sensor/proximity_sensor_prph/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,45 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_spp/spp_client/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,47 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=3
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/ble_spp/spp_server/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,45 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=3
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/blecent/README.md

@@ -131,6 +131,35 @@ GAP procedure initiated: terminate connection; conn_handle=0 hci_reason=19
 disconnect; reason=534
 ```
 
+The following configuration flags can be adjusted to significantly reduce RAM usage in your ESP-IDF project while retaining basic BLE functionality.
+----------------------------------------------------------------------------------------------
+| Config Option                                    || Old → New Value || RAM Saved (Bytes)   |
+|--------------------------------------------------||------------------||--------------------|
+| CONFIG_BT_NIMBLE_SM_SC                           || y → n            || 2040               |
+| CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION       || y → n            || 32                 |
+| CONFIG_BT_NIMBLE_GATT_MAX_PROCS                  || 4 → 2            || 112                |
+| CONFIG_BT_NIMBLE_MAX_CONNECTIONS                 || 3 → 1            || 480                |
+| CONFIG_BT_NIMBLE_MAX_BONDS                       || 3 → 1            || 448                |
+| CONFIG_BT_NIMBLE_MAX_CCCDS                       || 8 → 1            || 112                |
+| CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT           || y → n            || 256                |
+| CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT             || 30 → 15          || 240                |
+| CONFIG_BT_NIMBLE_SECURITY_ENABLE                 || y → n            || 2072               |
+| CONFIG_SPI_FLASH_ROM_IMPL                        || n → y            || 9804               |
+| CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP               || y → n            || 0                  |
+| CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP               || y → n            || 140                |
+| CONFIG_SPI_FLASH_SUPPORT_GD_CHIP                 || y → n            || 648                |
+| CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP            || y → n            || 8                  |
+| CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP               || y → n            || 140                |
+| CONFIG_SPI_FLASH_SUPPORT_TH_CHIP                 || y → n            || 136                |
+| CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE     || y → n            || 704                |
+| CONFIG_VFS_SUPPORT_TERMIOS                       || y → n            || 424                |
+| CONFIG_VFS_SUPPORT_IO                            || y → n            || 2008               |
+| CONFIG_COMPILER_OPTIMIZATION_SIZE                || n → y            || 8408               |
+| CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE  || n → y            || 5896               |
+| CONFIG_ESP_COEX_SW_COEXIST_ENABLE                || y → n            || 896                |
+| ESP_TASK_WDT_EN                                  || y → n            || 528                |
+| CONFIG_LOG_DEFAULT_LEVEL_NONE                    || n → y            || 2592               |
+----------------------------------------------------------------------------------------------
 
 ## Troubleshooting
 

examples/bluetooth/nimble/blecent/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,47 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/blecsc/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,47 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/blehr/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,48 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_FREERTOS_TIMER_TASK_STACK_DEPTH=4000
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/bleprph/README.md

@@ -92,6 +92,35 @@ Notification sent successfully
 ## Note
 * NVS support is not yet integrated to bonding. So, for now, bonding is not persistent across reboot.
 
+The following configuration flags can be adjusted to significantly reduce RAM usage in your ESP-IDF project while retaining basic BLE functionality.
+----------------------------------------------------------------------------------------------
+| Config Option                                    || Old → New Value || RAM Saved (Bytes)   |
+|--------------------------------------------------||------------------||--------------------|
+| CONFIG_BT_NIMBLE_SM_SC                           || y → n            || 2016               |
+| CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION       || y → n            || 32                 |
+| CONFIG_BT_NIMBLE_GATT_MAX_PROCS                  || 4 → 2            || 112                |
+| CONFIG_BT_NIMBLE_MAX_CONNECTIONS                 || 3 → 1            || 480                |
+| CONFIG_BT_NIMBLE_MAX_BONDS                       || 3 → 1            || 448                |
+| CONFIG_BT_NIMBLE_MAX_CCCDS                       || 8 → 1            || 112                |
+| CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT           || y → n            || 256                |
+| CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT             || 30 → 15          || 240                |
+| CONFIG_BT_NIMBLE_SECURITY_ENABLE                 || y → n            || 2048               |
+| CONFIG_SPI_FLASH_ROM_IMPL                        || n → y            || 9804               |
+| CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP               || y → n            || 8                  |
+| CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP               || y → n            || 132                |
+| CONFIG_SPI_FLASH_SUPPORT_GD_CHIP                 || y → n            || 640                |
+| CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP            || y → n            || 0                  |
+| CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP               || y → n            || 132                |
+| CONFIG_SPI_FLASH_SUPPORT_TH_CHIP                 || y → n            || 128                |
+| CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE     || y → n            || 696                |
+| CONFIG_VFS_SUPPORT_TERMIOS                       || y → n            || 424                |
+| CONFIG_VFS_SUPPORT_IO                            || y → n            || 3000               |
+| CONFIG_COMPILER_OPTIMIZATION_SIZE                || n → y            || 8912               |
+| CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE  || n → y            || 8456               |
+| CONFIG_ESP_COEX_SW_COEXIST_ENABLE                || y → n            || 896                |
+| CONFIG_LOG_DEFAULT_LEVEL_NONE                    || n → y            || 2568               |
+----------------------------------------------------------------------------------------------
+
 ## Troubleshooting
 
 For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you soon.

examples/bluetooth/nimble/bleprph/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,45 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_ROM_IMPL=y
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0

examples/bluetooth/nimble/power_save/sdkconfig.defaults.dram_optimised

@@ -0,0 +1,56 @@
+# Override some defaults so BT stack is enabled
+# in this example
+
+#
+# BT config
+#
+CONFIG_BT_ENABLED=y
+CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
+CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
+CONFIG_BTDM_CTRL_MODE_BTDM=n
+CONFIG_BT_BLUEDROID_ENABLED=n
+CONFIG_BT_NIMBLE_ENABLED=y
+
+# Enable support for power management
+CONFIG_PM_ENABLE=y
+# Enable tickless idle mode
+CONFIG_FREERTOS_USE_TICKLESS_IDLE=y
+# Set the tick rate at which FreeRTOS does pre-emptive context switching.
+CONFIG_FREERTOS_HZ=1000
+# Minimum number of ticks to enter sleep mode for
+CONFIG_FREERTOS_IDLE_TIME_BEFORE_SLEEP=3
+CONFIG_FREERTOS_TIMER_TASK_STACK_DEPTH=4000
+
+CONFIG_BT_NIMBLE_SM_SC=n
+CONFIG_BT_NIMBLE_LL_CFG_FEAT_LE_ENCRYPTION=n
+CONFIG_BT_NIMBLE_GATT_MAX_PROCS=2
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MAX_BONDS=1
+CONFIG_BT_NIMBLE_MAX_CCCDS=1
+CONFIG_BT_NIMBLE_ENABLE_CONN_REATTEMPT=n
+CONFIG_BT_NIMBLE_TRANSPORT_EVT_COUNT=15
+
+#Uncomment below, if security needs to be disabled
+#CONFIG_BT_NIMBLE_SECURITY_ENABLE=n
+
+CONFIG_SPI_FLASH_SUPPORT_ISSI_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_MXIC_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_GD_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_WINBOND_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_BOYA_CHIP=n
+CONFIG_SPI_FLASH_SUPPORT_TH_CHIP=n
+CONFIG_SPI_FLASH_ENABLE_ENCRYPTED_READ_WRITE=n
+
+CONFIG_VFS_SUPPORT_TERMIOS=n
+CONFIG_VFS_SUPPORT_IO=n
+
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+
+CONFIG_ESP_COEX_SW_COEXIST_ENABLE=n
+
+CONFIG_ESP_TASK_WDT_EN=n
+
+#Uncomment below, if logging needs to be disabled
+#CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+#CONFIG_LOG_DEFAULT_LEVEL=0