extmod/modbluetooth: Allow NimBLE to use Zephyr static address.

Zephyr controllers can be queried for a static address (computed from the
device ID).  BlueKitchen already supports this, but make them both use the
same macro to enable the feature.

extmod/btstack/modbluetooth_btstack.c

@@ -282,7 +282,7 @@ STATIC void btstack_packet_handler_att_server(uint8_t packet_type, uint16_t chan
     }
 }
 
-#if MICROPY_BLUETOOTH_BTSTACK_ZEPHYR_STATIC_ADDRESS
+#if MICROPY_BLUETOOTH_USE_ZEPHYR_STATIC_ADDRESS
 // During startup, the controller (e.g. Zephyr) might give us a static address that we can use.
 STATIC uint8_t controller_static_addr[6] = {0};
 STATIC bool controller_static_addr_available = false;
@@ -349,13 +349,13 @@ STATIC void btstack_packet_handler(uint8_t packet_type, uint8_t *packet, uint8_t
         DEBUG_printf("  --> hci transport packet sent\n");
     } else if (event_type == HCI_EVENT_COMMAND_COMPLETE) {
         DEBUG_printf("  --> hci command complete\n");
-        #if MICROPY_BLUETOOTH_BTSTACK_ZEPHYR_STATIC_ADDRESS
+        #if MICROPY_BLUETOOTH_USE_ZEPHYR_STATIC_ADDRESS
         if (memcmp(packet, read_static_address_command_complete_prefix, sizeof(read_static_address_command_complete_prefix)) == 0) {
             DEBUG_printf("  --> static address available\n");
             reverse_48(&packet[7], controller_static_addr);
             controller_static_addr_available = true;
         }
-        #endif // MICROPY_BLUETOOTH_BTSTACK_ZEPHYR_STATIC_ADDRESS
+        #endif // MICROPY_BLUETOOTH_USE_ZEPHYR_STATIC_ADDRESS
     } else if (event_type == HCI_EVENT_COMMAND_STATUS) {
         DEBUG_printf("  --> hci command status\n");
     } else if (event_type == HCI_EVENT_NUMBER_OF_COMPLETED_PACKETS) {
@@ -575,12 +575,12 @@ STATIC bool set_public_address(void) {
 }
 
 STATIC void set_random_address(void) {
-    #if MICROPY_BLUETOOTH_BTSTACK_ZEPHYR_STATIC_ADDRESS
+    #if MICROPY_BLUETOOTH_USE_ZEPHYR_STATIC_ADDRESS
     if (controller_static_addr_available) {
         DEBUG_printf("set_random_address: Using static address supplied by controller.\n");
         gap_random_address_set(controller_static_addr);
     } else
-    #endif // MICROPY_BLUETOOTH_BTSTACK_ZEPHYR_STATIC_ADDRESS
+    #endif // MICROPY_BLUETOOTH_USE_ZEPHYR_STATIC_ADDRESS
     {
         bd_addr_t static_addr;
 
@@ -635,7 +635,7 @@ int mp_bluetooth_init(void) {
 
     btstack_memory_init();
 
-    #if MICROPY_BLUETOOTH_BTSTACK_ZEPHYR_STATIC_ADDRESS
+    #if MICROPY_BLUETOOTH_USE_ZEPHYR_STATIC_ADDRESS
     controller_static_addr_available = false;
     #endif
 

extmod/nimble/modbluetooth_nimble.c

@@ -48,6 +48,11 @@
 #include "nimble/host/src/ble_l2cap_priv.h"
 #endif
 
+#if MICROPY_PY_BLUETOOTH_ENABLE_HCI_CMD || MICROPY_BLUETOOTH_USE_ZEPHYR_STATIC_ADDRESS
+// For ble_hs_hci_cmd_tx
+#include "nimble/host/src/ble_hs_hci_priv.h"
+#endif
+
 #ifndef MICROPY_PY_BLUETOOTH_DEFAULT_GAP_NAME
 #define MICROPY_PY_BLUETOOTH_DEFAULT_GAP_NAME "MPY NIMBLE"
 #endif
@@ -179,6 +184,14 @@ STATIC void set_random_address(bool nrpa) {
         // Mark it as STATIC (not RPA or NRPA).
         addr.val[5] |= 0xc0;
     } else
+    #elif MICROPY_BLUETOOTH_USE_ZEPHYR_STATIC_ADDRESS
+    if (!nrpa) {
+        DEBUG_printf("set_random_address: Generating static address from Zephyr controller\n");
+        uint8_t buf[23];
+        rc = ble_hs_hci_cmd_tx(BLE_HCI_OP(BLE_HCI_OGF_VENDOR, 0x09), NULL, 0, buf, sizeof(buf));
+        assert(rc == 0);
+        memcpy(addr.val, buf + 1, 6);
+    } else
     #endif
     {
         DEBUG_printf("set_random_address: Generating random static address\n");
@@ -1688,9 +1701,6 @@ int mp_bluetooth_l2cap_recvinto(uint16_t conn_handle, uint16_t cid, uint8_t *buf
 
 #if MICROPY_PY_BLUETOOTH_ENABLE_HCI_CMD
 
-// For ble_hs_hci_cmd_tx
-#include "nimble/host/src/ble_hs_hci_priv.h"
-
 int mp_bluetooth_hci_cmd(uint16_t ogf, uint16_t ocf, const uint8_t *req, size_t req_len, uint8_t *resp, size_t resp_len, uint8_t *status) {
     int rc = ble_hs_hci_cmd_tx(BLE_HCI_OP(ogf, ocf), req, req_len, resp, resp_len);
     if (rc < BLE_HS_ERR_HCI_BASE || rc >= BLE_HS_ERR_HCI_BASE + 0x100) {