120 lines
4.8 KiB
C
120 lines
4.8 KiB
C
/*
|
|
* This file is part of the Micro Python project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2013, 2014 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 <stdio.h>
|
|
|
|
#include "py/obj.h"
|
|
|
|
STATIC const char *help_text =
|
|
"Welcome to MicroPython!\n"
|
|
"\n"
|
|
"For online help please visit http://micropython.org/help/.\n"
|
|
"\n"
|
|
"Quick overview of commands for the board:\n"
|
|
" pyb.info() -- print some general information\n"
|
|
" pyb.gc() -- run the garbage collector\n"
|
|
" pyb.delay(n) -- wait for n milliseconds\n"
|
|
" pyb.Switch() -- create a switch object\n"
|
|
" Switch methods: (), callback(f)\n"
|
|
" pyb.LED(n) -- create an LED object for LED n (n=1,2,3,4)\n"
|
|
" LED methods: on(), off(), toggle(), intensity(<n>)\n"
|
|
" pyb.Pin(pin) -- get a pin, eg pyb.Pin('X1')\n"
|
|
" pyb.Pin(pin, m, [p]) -- get a pin and configure it for IO mode m, pull mode p\n"
|
|
" Pin methods: init(..), value([v]), high(), low()\n"
|
|
" pyb.ExtInt(pin, m, p, callback) -- create an external interrupt object\n"
|
|
" pyb.ADC(pin) -- make an analog object from a pin\n"
|
|
" ADC methods: read(), read_timed(buf, freq)\n"
|
|
" pyb.DAC(port) -- make a DAC object\n"
|
|
" DAC methods: triangle(freq), write(n), write_timed(buf, freq)\n"
|
|
" pyb.RTC() -- make an RTC object; methods: datetime([val])\n"
|
|
" pyb.rng() -- get a 30-bit hardware random number\n"
|
|
" pyb.Servo(n) -- create Servo object for servo n (n=1,2,3,4)\n"
|
|
" Servo methods: calibration(..), angle([x, [t]]), speed([x, [t]])\n"
|
|
" pyb.Accel() -- create an Accelerometer object\n"
|
|
" Accelerometer methods: x(), y(), z(), tilt(), filtered_xyz()\n"
|
|
"\n"
|
|
"Pins are numbered X1-X12, X17-X22, Y1-Y12, or by their MCU name\n"
|
|
"Pin IO modes are: pyb.Pin.IN, pyb.Pin.OUT_PP, pyb.Pin.OUT_OD\n"
|
|
"Pin pull modes are: pyb.Pin.PULL_NONE, pyb.Pin.PULL_UP, pyb.Pin.PULL_DOWN\n"
|
|
"Additional serial bus objects: pyb.I2C(n), pyb.SPI(n), pyb.UART(n)\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"
|
|
"\n"
|
|
"For further help on a specific object, type help(obj)\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_map_t *map = NULL;
|
|
if (MP_OBJ_IS_TYPE(args[0], &mp_type_module)) {
|
|
map = mp_obj_dict_get_map(mp_obj_module_get_globals(args[0]));
|
|
} else {
|
|
mp_obj_type_t *type;
|
|
if (MP_OBJ_IS_TYPE(args[0], &mp_type_type)) {
|
|
type = args[0];
|
|
} else {
|
|
type = mp_obj_get_type(args[0]);
|
|
}
|
|
if (type->locals_dict != MP_OBJ_NULL && MP_OBJ_IS_TYPE(type->locals_dict, &mp_type_dict)) {
|
|
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);
|