ble: support only legacy adv and slave function on esp32c2

Author: zhaoweiliang2021

components/bt/controller/esp32c2/Kconfig.in

@@ -450,6 +450,7 @@ config BT_LE_USE_ESP_TIMER
 
 config BT_CTRL_BLE_ADV_REPORT_FLOW_CTRL_SUPP
     bool "BLE adv report flow control supported"
+    depends on BT_LE_ROLE_OBSERVER_ENABLE
     default y
     help
         The function is mainly used to enable flow control for advertising reports. When it is enabled,
@@ -498,3 +499,31 @@ config BT_LE_CCA_RSSI_THRESH
     default 20
     help
         Power threshold of CCA in unit of -1 dBm.
+
+config BT_LE_ROLE_CENTROL_ENABLE
+    bool "Enable BLE Centrol role function"
+    depends on !BT_NIMBLE_ENABLED
+    default y
+    help
+        Enable centrol role function.
+
+config BT_LE_ROLE_PERIPHERAL_ENABLE
+    bool "Enable BLE Peripheral role function"
+    depends on !BT_NIMBLE_ENABLED
+    default y
+    help
+        Enable Peripheral role function.
+
+config BT_LE_ROLE_BROADCASTER_ENABLE
+    bool "Enable BLE Broadcaster role function"
+    depends on !BT_NIMBLE_ENABLED
+    default y
+    help
+        Enable broadcaster role function.
+
+config BT_LE_ROLE_OBSERVER_ENABLE
+    bool "Enable BLE Observer role function"
+    depends on !BT_NIMBLE_ENABLED
+    default y
+    help
+        Enable observer role function.

components/bt/controller/esp32c2/bt.c

@@ -652,6 +652,15 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
         return ret;
     }
 
+#if DEFAULT_BT_LE_50_FEATURE_SUPPORT || DEFAULT_BT_LE_ROLE_CENTROL || DEFAULT_BT_LE_ROLE_OBSERVER
+    extern int esp_ble_rom_func_ptr_init_all(void);
+    esp_ble_rom_func_ptr_init_all();
+#else
+    ESP_LOGI(NIMBLE_PORT_LOG_TAG, "Init only legacy adv and slave function");
+    extern int esp_ble_rom_func_ptr_init_legacy_adv_and_slave(void);
+    esp_ble_rom_func_ptr_init_legacy_adv_and_slave();
+#endif
+
     /* Initialize the function pointers for OS porting */
     npl_freertos_funcs_init();
     struct npl_funcs_t *p_npl_funcs = npl_freertos_funcs_get();

components/bt/controller/esp32c2/esp_bt_cfg.h

@@ -46,6 +46,10 @@ extern "C" {
     #define DEFAULT_BT_LE_50_FEATURE_SUPPORT (0)
     #endif
 
+    #define DEFAULT_BT_LE_ROLE_OBSERVER                  MYNEWT_VAL(BLE_ROLE_OBSERVER)
+    #define DEFAULT_BT_LE_ROLE_CENTROL                   MYNEWT_VAL(BLE_ROLE_CENTRAL)
+    #define DEFAULT_BT_LE_ROLE_PERIPHERAL                MYNEWT_VAL(BLE_ROLE_PERIPHERAL)
+    #define DEFAULT_BT_LE_ROLE_BROADCASTER               MYNEWT_VAL(BLE_ROLE_BROADCASTER)
 #else
 
     #if CONFIG_BT_LE_LL_CFG_FEAT_LE_CODED_PHY
@@ -57,13 +61,13 @@ extern "C" {
     #if defined(CONFIG_BT_LE_MAX_PERIODIC_ADVERTISER_LIST)
         #define DEFAULT_BT_LE_MAX_PERIODIC_ADVERTISER_LIST (CONFIG_BT_LE_MAX_PERIODIC_ADVERTISER_LIST)
     #else
-        #define DEFAULT_BT_LE_MAX_PERIODIC_ADVERTISER_LIST (5)
+        #define DEFAULT_BT_LE_MAX_PERIODIC_ADVERTISER_LIST (0)
     #endif
 
     #if defined(CONFIG_BT_LE_MAX_PERIODIC_SYNCS)
         #define DEFAULT_BT_LE_MAX_PERIODIC_SYNCS (CONFIG_BT_LE_MAX_PERIODIC_SYNCS)
     #else
-        #define DEFAULT_BT_LE_MAX_PERIODIC_SYNCS (1)
+        #define DEFAULT_BT_LE_MAX_PERIODIC_SYNCS (0)
     #endif
 
     #if defined(CONFIG_BT_LE_MAX_CONNECTIONS)
@@ -125,6 +129,29 @@ extern "C" {
         #define DEFAULT_BT_LE_50_FEATURE_SUPPORT (0)
     #endif
 
+    #if defined(CONFIG_BT_LE_ROLE_CENTROL_ENABLE)
+        #define DEFAULT_BT_LE_ROLE_CENTROL (1)
+    #else
+        #define DEFAULT_BT_LE_ROLE_CENTROL (0)
+    #endif
+
+    #if defined(CONFIG_BT_LE_ROLE_PERIPHERAL_ENABLE)
+        #define DEFAULT_BT_LE_ROLE_PERIPHERAL (1)
+    #else
+        #define DEFAULT_BT_LE_ROLE_PERIPHERAL (0)
+    #endif
+
+    #if defined(CONFIG_BT_LE_ROLE_BROADCASTER_ENABLE)
+        #define DEFAULT_BT_LE_ROLE_BROADCASTER (1)
+    #else
+        #define DEFAULT_BT_LE_ROLE_BROADCASTER (0)
+    #endif
+
+    #if defined(CONFIG_BT_LE_ROLE_OBSERVER_ENABLE)
+        #define DEFAULT_BT_LE_ROLE_OBSERVER (1)
+    #else
+        #define DEFAULT_BT_LE_ROLE_OBSERVER (0)
+    #endif
 #endif
 
 #define DEFAULT_BT_LE_COEX_PHY_CODED_TX_RX_TLIM_EFF CONFIG_BT_LE_COEX_PHY_CODED_TX_RX_TLIM_EFF