able to change ble mac address

3 files changed, 18 insertions, 2 deletions

diff --git a/ports/nrf/common-hal/_bleio/Adapter.c b/ports/nrf/common-hal/_bleio/Adapter.c
index 0b23bb7bf..d34f5d287 100644
--- a/ports/nrf/common-hal/_bleio/Adapter.c
+++ b/ports/nrf/common-hal/_bleio/Adapter.c
@@ -386,6 +386,15 @@ bleio_address_obj_t *common_hal_bleio_adapter_get_address(bleio_adapter_obj_t *s
     return address;
 }
 
+uint32_t common_hal_bleio_adapter_set_address(bleio_adapter_obj_t *self, bleio_address_obj_t *address)
+{
+    ble_gap_addr_t local_address;
+    local_address.addr_type = address->type;
+    const char *data = mp_obj_str_get_str(address->bytes);
+    memcpy(local_address.addr, data, NUM_BLEIO_ADDRESS_BYTES);
+    return sd_ble_gap_addr_set(&local_address);
+}
+
 mp_obj_str_t* common_hal_bleio_adapter_get_name(bleio_adapter_obj_t *self) {
     uint16_t len = 0;
     sd_ble_gap_device_name_get(NULL, &len);
diff --git a/shared-bindings/_bleio/Adapter.c b/shared-bindings/_bleio/Adapter.c
index 7a44d560f..861b640b5 100644
--- a/shared-bindings/_bleio/Adapter.c
+++ b/shared-bindings/_bleio/Adapter.c
@@ -96,7 +96,7 @@ const mp_obj_property_t bleio_adapter_enabled_obj = {
 };
 
 //|     address: Address
-//|     """MAC address of the BLE adapter. (read-only)"""
+//|     """MAC address of the BLE adapter."""
 //|
 STATIC mp_obj_t bleio_adapter_get_address(mp_obj_t self) {
     return MP_OBJ_FROM_PTR(common_hal_bleio_adapter_get_address(self));
@@ -104,10 +104,16 @@ STATIC mp_obj_t bleio_adapter_get_address(mp_obj_t self) {
 }
 MP_DEFINE_CONST_FUN_OBJ_1(bleio_adapter_get_address_obj, bleio_adapter_get_address);
 
+STATIC mp_obj_t bleio_adapter_set_address(mp_obj_t self, mp_obj_t new_address) {
+    common_hal_bleio_adapter_set_address(self, new_address);
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_2(bleio_adapter_set_address_obj, bleio_adapter_set_address);
+
 const mp_obj_property_t bleio_adapter_address_obj = {
     .base.type = &mp_type_property,
     .proxy = { (mp_obj_t)&bleio_adapter_get_address_obj,
-               (mp_obj_t)&mp_const_none_obj,
+               (mp_obj_t)&bleio_adapter_set_address_obj,
                (mp_obj_t)&mp_const_none_obj },
 };
 
diff --git a/shared-bindings/_bleio/Adapter.h b/shared-bindings/_bleio/Adapter.h
index 39147b6eb..ad84bf9aa 100644
--- a/shared-bindings/_bleio/Adapter.h
+++ b/shared-bindings/_bleio/Adapter.h
@@ -42,6 +42,7 @@ extern bool common_hal_bleio_adapter_get_enabled(bleio_adapter_obj_t *self);
 extern void common_hal_bleio_adapter_set_enabled(bleio_adapter_obj_t *self, bool enabled);
 extern bool common_hal_bleio_adapter_get_connected(bleio_adapter_obj_t *self);
 extern bleio_address_obj_t *common_hal_bleio_adapter_get_address(bleio_adapter_obj_t *self);
+extern uint32_t common_hal_bleio_adapter_set_address(bleio_adapter_obj_t *self, bleio_address_obj_t *address);
 
 extern mp_obj_str_t* common_hal_bleio_adapter_get_name(bleio_adapter_obj_t *self);
 extern void common_hal_bleio_adapter_set_name(bleio_adapter_obj_t *self, const char* name);