map char to uint8_t

ros2 · Nov 26, 2018 · b0623a2 · b0623a2
1 parent d6b3f7b
commit b0623a2
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Showing 2 changed files with 8 additions and 3 deletions.
diff --git a/rosidl_generator_py/resource/_msg_support.c.em b/rosidl_generator_py/resource/_msg_support.c.em
@@ -193,8 +193,13 @@ lowercase_field_type = convert_camel_case_to_lower_case_underscore(field.type.ty
       return false;
     }
 @[      else]@
-    if (!rosidl_generator_c__@(field.type.type)__Sequence__init(&(ros_message->@(field.name)), size)) {
-      PyErr_SetString(PyExc_RuntimeError, "unable to create @(field.type.type)__Sequence ros_message");
+@{
+type_ = field.type.type
+if type_ == 'char':
+    type_ = 'uint8'
+}@
+    if (!rosidl_generator_c__@(type_)__Sequence__init(&(ros_message->@(field.name)), size)) {
+      PyErr_SetString(PyExc_RuntimeError, "unable to create @(type_)__Sequence ros_message");
       Py_DECREF(seq_field);
       Py_DECREF(field);
       return false;

diff --git a/rosidl_generator_py/rosidl_generator_py/generate_py_impl.py b/rosidl_generator_py/rosidl_generator_py/generate_py_impl.py
@@ -27,7 +27,7 @@ def _primitive_msg_type_to_c(type_):
     msg_type_to_c = {
         'bool': 'bool',
         'byte': 'uint8_t',
-        'char': 'signed char',
+        'char': 'uint8_t',
         'float32': 'float',
         'float64': 'double',
         'uint8': 'uint8_t',