working on l452

code/l452_code/descriptor_generator.py

@@ -0,0 +1,53 @@
+import cxxheaderparser.simple
+
+header_text = open("Core/Inc/packet.hpp","r").read().replace("__inline__", "")
+
+data = cxxheaderparser.simple.parse_string(header_text)
+
+work_string = ""
+
+for class_type in data.namespace.classes:
+    class_name = class_type.class_decl.typename.segments[0].name
+    to_format_string = "%s %d %d"
+    format_args = f'"{class_name}", typecode<{class_name}>(), sizeof({class_name})'
+    for field in class_type.fields:        
+        if isinstance(field.type, cxxheaderparser.types.Array):
+            element_type = field.type.array_of.typename.segments[0].name
+            element_num = field.type.size.tokens[0].value
+            element_name = field.name
+            to_format_string += " %s %d %d"
+            format_args += f', "{element_type} {element_name}[{element_num}]", offsetof({class_name}, {element_name}), sizeof({element_type})'
+        elif isinstance(field.type, cxxheaderparser.types.Type):
+            element_type = field.type.typename.segments[0].name
+            element_name = field.name
+            to_format_string += " %s %d %d"
+            format_args += f', "{element_type} {element_name}", offsetof({class_name}, {element_name}), sizeof({element_type})'
+    to_format_string += "\\n\\r"
+    work_string += f'    cx = snprintf(buff, sizeof(buff), "{to_format_string}", {format_args});\n'
+    work_string += f'    CDC_Transmit_FS((uint8_t*)buff, cx);\n'
+    work_string += f'    HAL_Delay(10);\n\n'
+
+h_file_text = """
+void data_description();
+"""
+
+c_file_text = ("""#include "datadescriptor.hpp"
+#include <cstddef>
+#include <cstdio>
+#include "usbd_cdc_if.h"
+#include "packet.hpp"
+
+void data_description() {
+    char buff[200];
+    int cx;
+
+""" + work_string + 
+"}\n")
+
+with open("Core/Src/datadescriptor.cpp", "w") as f:
+    f.write(c_file_text)
+
+with open("Core/Inc/datadescriptor.hpp", "w") as f:
+    f.write(h_file_text)
+
+