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#include <stdio.h>
#include "nlr.h"
#include "misc.h"
#include "mpconfig.h"
#include "qstr.h"
#include "obj.h"
#include "map.h"
STATIC const char *help_text =
"Welcome to Micro Python!\n"
"\n"
"For online help please visit http://micropython.org/help/.\n"
"\n"
"Specific commands for the board:\n"
" pyb.info() -- print some general information\n"
" pyb.gc() -- run the garbage collector\n"
" pyb.repl_info(<val>) -- enable/disable printing of info after each command\n"
" pyb.delay(<n>) -- wait for n milliseconds\n"
" pyb.udelay(<n>) -- wait for n microseconds\n"
" pyb.switch() -- return True/False if switch pressed or not\n"
" pyb.Led(<n>) -- create Led object for LED n (n=1,2,3,4)\n"
" Led methods: on(), off(), toggle(), intensity(<n>)\n"
" pyb.Servo(<n>) -- create Servo object for servo n (n=1,2,3,4)\n"
" Servo methods: angle(<x>)\n"
" pyb.Accel() -- create an Accelerometer object\n"
" Accelerometer methods: x(), y(), z(), tilt()\n"
" pyb.rng() -- get a 30-bit hardware random number\n"
" pyb.gpio(<port>) -- get port value (port='A4' for example)\n"
" pyb.gpio(<port>, <val>) -- set port value, True or False, 1 or 0\n"
" pyb.ADC(<port>) -- make an analog port object (port='C0' for example)\n"
" ADC methods: read()\n"
"\n"
"Control commands:\n"
" CTRL-A -- on a blank line, enter raw REPL mode\n"
" CTRL-B -- on a blank line, enter normal REPL mode\n"
" CTRL-C -- interrupt a running program\n"
" CTRL-D -- on a blank line, do a soft reset of the board\n"
;
STATIC void pyb_help_print_info_about_object(mp_obj_t name_o, mp_obj_t value) {
printf(" ");
mp_obj_print(name_o, PRINT_STR);
printf(" -- ");
mp_obj_print(value, PRINT_STR);
printf("\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
printf("object ");
mp_obj_print(args[0], PRINT_STR);
printf(" is of type %s\n", mp_obj_get_type_str(args[0]));
mp_obj_type_t *type = mp_obj_get_type(args[0]);
mp_map_t *map = NULL;
if (type == &mp_type_module) {
map = mp_obj_module_get_globals(args[0]);
} else if (type->locals_dict != MP_OBJ_NULL && MP_OBJ_IS_TYPE(type->locals_dict, &dict_type)) {
map = mp_obj_dict_get_map(type->locals_dict);
}
if (map != NULL) {
for (uint i = 0; i < map->alloc; i++) {
if (map->table[i].key != MP_OBJ_NULL) {
pyb_help_print_info_about_object(map->table[i].key, map->table[i].value);
}
}
}
}
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_help_obj, 0, 1, pyb_help);
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