codal_port/modthis: Add this module from micro:bit v1.

Taken from ahttps://github.com/bbcmicrobit/micropython commit
a92ca9b1f907c07a01116b0eb464ca4743a28bf1

Signed-off-by: Damien George <[email protected]>

Author: dpgeorge

src/codal_port/Makefile

@@ -84,6 +84,7 @@ SRC_C += \
 	modos.c \
 	modradio.c \
 	modspeech.c \
+	modthis.c \
 	modutime.c \
 	mphalport.c \
 

src/codal_port/modthis.c

@@ -0,0 +1,73 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "py/runtime.h"
+
+STATIC const char *this_text =
+"The Zen of MicroPython, by Nicholas H. Tollervey\n"
+"\n"
+"Code,\n"
+"Hack it,\n"
+"Less is more,\n"
+"Keep it simple,\n"
+"Small is beautiful,\n"
+"\n"
+"Be brave! Break things! Learn and have fun!\n"
+"Express yourself with MicroPython.\n"
+"\n"
+"Happy hacking! :-)\n";
+
+// If you contribute code to this project, add your name here.
+STATIC const char *authors_text =
+"MicroPython on the micro:bit is brought to you by:\n"
+"Damien P. George, Mark Shannon, Radomir Dopieralski, Matthew Else,\n"
+"Carol Willing, Tom Viner, Alan Jackson, Nick Coghlan, Joseph Haig,\n"
+"Alex Chan, Andrea Grandi, Paul Egan, Piotr Kasprzyk, Andrew Mulholland,\n"
+"Matt Wheeler, Joe Glancy, Abbie Brooks and Nicholas H. Tollervey.\n";
+
+STATIC mp_obj_t this__init__(void) {
+    mp_printf(&mp_plat_print, "%s", this_text);
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_0(this___init___obj, this__init__);
+
+STATIC mp_obj_t this_authors(void) {
+    mp_printf(&mp_plat_print, "%s", authors_text);
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_0(this_authors_obj, this_authors);
+
+STATIC const mp_rom_map_elem_t this_module_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_this) },
+    { MP_ROM_QSTR(MP_QSTR___init__), MP_ROM_PTR(&this___init___obj) },
+    { MP_ROM_QSTR(MP_QSTR_authors), MP_ROM_PTR(&this_authors_obj) },
+};
+STATIC MP_DEFINE_CONST_DICT(this_module_globals, this_module_globals_table);
+
+const mp_obj_module_t this_module = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t *)&this_module_globals,
+};

src/codal_port/mpconfigport.h

@@ -109,6 +109,7 @@ extern const struct _mp_obj_module_t music_module;
 extern const struct _mp_obj_module_t os_module;
 extern const struct _mp_obj_module_t radio_module;
 extern const struct _mp_obj_module_t speech_module;
+extern const struct _mp_obj_module_t this_module;
 extern const struct _mp_obj_module_t utime_module;
 
 #define MICROPY_PORT_BUILTIN_MODULES \
@@ -121,6 +122,7 @@ extern const struct _mp_obj_module_t utime_module;
     { MP_ROM_QSTR(MP_QSTR_os), MP_ROM_PTR(&os_module) }, \
     { MP_ROM_QSTR(MP_QSTR_radio), MP_ROM_PTR(&radio_module) }, \
     { MP_ROM_QSTR(MP_QSTR_speech), MP_ROM_PTR(&speech_module) }, \
+    { MP_ROM_QSTR(MP_QSTR_this), MP_ROM_PTR(&this_module) }, \
     { MP_ROM_QSTR(MP_QSTR_utime), MP_ROM_PTR(&utime_module) }, \
 
 #define MICROPY_PORT_ROOT_POINTERS \