Added set_safe_boot_mode method (#179)

* Added set_safe_boot_mode method

Author: drebbe-intrepid

include/methods.h

@@ -100,6 +100,7 @@ extern "C"
     PyObject* meth_get_all_chip_versions(PyObject* self, PyObject* args); // icsneoGetAllChipVersions
     PyObject* meth_flash_accessory_firmware(PyObject* self, PyObject* args);
     PyObject* meth_get_accessory_firmware_version(PyObject* self, PyObject* args);
+    PyObject* meth_set_safe_boot_mode(PyObject* self, PyObject* args);
 
 #ifdef _cplusplus
 }
@@ -1913,6 +1914,25 @@ extern "C"
                 "\tNone\n"                                                                                             \
                 "\n"
 
+#define _DOC_SET_SAFE_BOOT_MODE                                                                                        \
+    MODULE_NAME ".set_safe_boot_mode(device, enable: bool) -> bool\n"                                                  \
+                "\n"                                                                                                   \
+                "Sets safe boot mode. If not sure, don't use this method.\n"                                           \
+                "FIRE3 will reboot to safe boot mode when called with enable = True.\n"                                \
+                "\n"                                                                                                   \
+                "Args:\n"                                                                                              \
+                "\tdevice (:class:`" MODULE_NAME ".PyNeoDeviceEx`): :class:`" MODULE_NAME                 \
+                ".PyNeoDeviceEx`\n\n"                                                                     \
+                "\n"                                                                                                   \
+                "\tenable (:class:`bool`): :class:`bool`: Tells the device to enter safe boot mode upon restart.\n\n"  \
+                "\n"                                                                                                   \
+                "Raises:\n"                                                                                            \
+                "\t:class:`" MODULE_NAME ".RuntimeError`\n"                                                            \
+                "\n"                                                                                                   \
+                "Returns:\n"                                                                                           \
+                "\tNone\n"                                                                                             \
+                "\n"
+
 static PyMethodDef IcsMethods[] = {
     _EZ_ICS_STRUCT_METHOD("find_devices",
                           "icsneoFindNeoDevices",
@@ -2422,6 +2442,12 @@ static PyMethodDef IcsMethods[] = {
                           meth_get_accessory_firmware_version,
                           METH_VARARGS,
                           _DOC_GET_ACCESSORY_FIRMWARE_VERSION),
+    _EZ_ICS_STRUCT_METHOD("set_safe_boot_mode",
+                          "icsneoSetSafeBootMode",
+                          "SetSafeBootMode",
+                          meth_set_safe_boot_mode,
+                          METH_VARARGS,
+                          _DOC_SET_SAFE_BOOT_MODE),
 
     { "override_library_name", (PyCFunction)meth_override_library_name, METH_VARARGS, _DOC_OVERRIDE_LIBRARY_NAME },
     { "get_library_path", (PyCFunction)meth_get_library_path, METH_NOARGS, "" },

include/object_spy_message.h

@@ -325,7 +325,7 @@ static int spy_message_object_setattr(PyObject* o, PyObject* name, PyObject* val
                 obj->msg.Data[i] = (unsigned char)PyLong_AsLong(data);
             }
         }
-        obj->msg.NumberBytesData = PyObject_Length(value);
+        obj->msg.NumberBytesData = static_cast<uint8_t>(PyObject_Length(value));
         return 0;
     } else if (PyUnicode_CompareWithASCIIString(name, "AckBytes") == 0) {
         // Make sure we are a tuple and len() == 8
@@ -363,7 +363,7 @@ static int spy_message_object_setattr(PyObject* o, PyObject* name, PyObject* val
             } else {
                 ((spy_message_j1850_object*)obj)->msg.Header[i] = (unsigned char)PyLong_AsLong(data);
             }
-            obj->msg.NumberBytesHeader = PyObject_Length(value);
+            obj->msg.NumberBytesHeader = static_cast<uint8_t>(PyObject_Length(value));
         }
         return 0;
     } else if (PyUnicode_CompareWithASCIIString(name, "Protocol") == 0) {
@@ -387,7 +387,7 @@ static int spy_message_object_setattr(PyObject* o, PyObject* name, PyObject* val
         obj->msg.ExtraDataPtr = new unsigned char[length];
         // Some newer protocols are packing the length into NumberBytesHeader also so lets handle it here...
         if (obj->msg.Protocol == SPY_PROTOCOL_A2B || obj->msg.Protocol == SPY_PROTOCOL_ETHERNET) {
-            obj->msg.NumberBytesHeader = length >> 8;
+            obj->msg.NumberBytesHeader = static_cast<uint8_t>(length >> 8);
         }
         obj->msg.NumberBytesData = length & 0xFF;
         if (obj->msg.Protocol != SPY_PROTOCOL_ETHERNET)