cc3200: Convert to use builtin help function.

cc3200/application.mk

@@ -153,7 +153,6 @@ APP_LIB_SRC_C = $(addprefix lib/,\
 	netutils/netutils.c \
 	timeutils/timeutils.c \
 	utils/pyexec.c \
-	utils/pyhelp.c \
 	)
 	
 APP_STM_SRC_C = $(addprefix stmhal/,\

cc3200/misc/help.c

@@ -25,23 +25,8 @@
  * THE SOFTWARE.
  */
 
-#include <stdio.h>
+#include "py/builtin.h"
 
-#include "lib/utils/pyhelp.h"
-
-STATIC const char help_text[] = "Welcome to MicroPython!\n"
+const char *cc3200_help_text = "Welcome to MicroPython!\n"
                                 "For online help please visit http://micropython.org/help/.\n"
                                 "For further help on a specific object, type help(obj)\n";
-
-STATIC mp_obj_t pyb_help(uint n_args, const mp_obj_t *args) {
-    if (n_args == 0) {
-        // print a general help message
-        printf("%s", help_text);
-    }
-    else {
-        // try to print something sensible about the given object
-        pyhelp_print_obj(args[0]);
-    }
-    return mp_const_none;
-}
-MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_help_obj, 0, 1, pyb_help);

cc3200/mpconfigport.h

@@ -80,6 +80,8 @@
 #define MICROPY_PY_ASYNC_AWAIT (0)
 #define MICROPY_PY_BUILTINS_TIMEOUTERROR            (1)
 #define MICROPY_PY_ALL_SPECIAL_METHODS              (1)
+#define MICROPY_PY_BUILTINS_HELP                    (1)
+#define MICROPY_PY_BUILTINS_HELP_TEXT               cc3200_help_text
 #ifndef DEBUG
 #define MICROPY_PY_BUILTINS_STR_UNICODE             (1)
 #define MICROPY_PY_BUILTINS_STR_SPLITLINES          (1)
@@ -120,7 +122,6 @@
 
 // extra built in names to add to the global namespace
 #define MICROPY_PORT_BUILTINS \
-    { MP_OBJ_NEW_QSTR(MP_QSTR_help),  (mp_obj_t)&mp_builtin_help_obj },   \
     { MP_OBJ_NEW_QSTR(MP_QSTR_input), (mp_obj_t)&mp_builtin_input_obj },  \
     { MP_OBJ_NEW_QSTR(MP_QSTR_open),  (mp_obj_t)&mp_builtin_open_obj },   \