pybricks.parameters.Button: add BT button

Make the Bluetooth button of the SPIKE Prime Hub accessible.

Author: laurensvalk

pybricks/common/pb_type_keypad.c

@@ -16,7 +16,7 @@
 
 // TODO: buttons are currently a module due to the legacy C API, but should be
 // an instance of a KeyPad type. That would make it consistent with the other C
-// types and the high level Python API.
+// types and the high level Python API, and simplify device-specific buttons.
 
 STATIC mp_obj_t buttons_pressed(void) {
     mp_obj_t button_list[10];
@@ -35,7 +35,11 @@ STATIC mp_obj_t buttons_pressed(void) {
         button_list[size++] = MP_OBJ_FROM_PTR(&pb_Button_RIGHT_obj);
     }
     if (pressed & PBIO_BUTTON_RIGHT_UP) {
+        #ifdef PYBRICKS_HUB_PRIMEHUB
+        button_list[size++] = MP_OBJ_FROM_PTR(&pb_Button_BT_obj);
+        #else
         button_list[size++] = MP_OBJ_FROM_PTR(&pb_Button_RIGHT_UP_obj);
+        #endif
     }
     if (pressed & PBIO_BUTTON_UP) {
         button_list[size++] = MP_OBJ_FROM_PTR(&pb_Button_UP_obj);

pybricks/parameters.h

@@ -27,7 +27,12 @@ const pb_obj_enum_member_t pb_Button_LEFT_UP_obj;
 const pb_obj_enum_member_t pb_Button_LEFT_DOWN_obj;
 const pb_obj_enum_member_t pb_Button_RIGHT_UP_obj;
 const pb_obj_enum_member_t pb_Button_RIGHT_DOWN_obj;
+#if PYBRICKS_HUB_EV3BRICK
 const pb_obj_enum_member_t pb_Button_BEACON_obj;
+#endif
+#if PYBRICKS_HUB_PRIMEHUB
+const pb_obj_enum_member_t pb_Button_BT_obj;
+#endif
 
 #endif // PYBRICKS_PY_PARAMETERS_BUTTON
 

pybricks/parameters/pb_type_button.c

@@ -70,11 +70,21 @@ const pb_obj_enum_member_t pb_Button_RIGHT_DOWN_obj = {
     .value = PBIO_BUTTON_RIGHT_DOWN
 };
 
+#if PYBRICKS_HUB_EV3BRICK
 const pb_obj_enum_member_t pb_Button_BEACON_obj = {
     {&pb_enum_type_Button},
     .name = MP_QSTR_BEACON,
     .value = PBIO_BUTTON_UP
 };
+#endif
+
+#if PYBRICKS_HUB_PRIMEHUB
+const pb_obj_enum_member_t pb_Button_BT_obj = {
+    {&pb_enum_type_Button},
+    .name = MP_QSTR_BT,
+    .value = PBIO_BUTTON_RIGHT_UP
+};
+#endif
 
 STATIC const mp_rom_map_elem_t pb_enum_Button_table[] = {
     { MP_ROM_QSTR(MP_QSTR_UP),         MP_ROM_PTR(&pb_Button_UP_obj)        },
@@ -86,7 +96,12 @@ STATIC const mp_rom_map_elem_t pb_enum_Button_table[] = {
     { MP_ROM_QSTR(MP_QSTR_LEFT_DOWN),  MP_ROM_PTR(&pb_Button_LEFT_DOWN_obj) },
     { MP_ROM_QSTR(MP_QSTR_RIGHT_UP),   MP_ROM_PTR(&pb_Button_RIGHT_UP_obj)  },
     { MP_ROM_QSTR(MP_QSTR_RIGHT_DOWN), MP_ROM_PTR(&pb_Button_RIGHT_DOWN_obj)},
+    #if PYBRICKS_HUB_EV3BRICK
     { MP_ROM_QSTR(MP_QSTR_BEACON),     MP_ROM_PTR(&pb_Button_BEACON_obj)    },
+    #endif
+    #ifdef PYBRICKS_HUB_PRIMEHUB
+    { MP_ROM_QSTR(MP_QSTR_BT),         MP_ROM_PTR(&pb_Button_BT_obj)        },
+    #endif
 };
 STATIC MP_DEFINE_CONST_DICT(pb_enum_type_Button_locals_dict, pb_enum_Button_table);