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https://github.com/licsber/micropython.git
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0bbe4de527
Remove reference to pyb.gc; add reference to pyb.millis. There are lots of functions not listed when you run help(), but it would be too much to list them all, so we list only some basic, useful ones. Addresses issue #846.
123 lines
4.9 KiB
C
123 lines
4.9 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h>
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#include "mpconfig.h"
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#include "nlr.h"
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#include "misc.h"
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#include "qstr.h"
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#include "obj.h"
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STATIC const char *help_text =
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"Welcome to Micro Python!\n"
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"\n"
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"For online help please visit http://micropython.org/help/.\n"
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"\n"
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"Quick overview of commands for the board:\n"
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" pyb.info() -- print some general information\n"
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" pyb.delay(n) -- wait for n milliseconds\n"
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" pyb.millis() -- get number of milliseconds since hard reset\n"
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" pyb.Switch() -- create a switch object\n"
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" Switch methods: (), callback(f)\n"
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" pyb.LED(n) -- create an LED object for LED n (n=1,2,3,4)\n"
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" LED methods: on(), off(), toggle(), intensity(<n>)\n"
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" pyb.Pin(pin) -- get a pin, eg pyb.Pin('X1')\n"
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" pyb.Pin(pin, m, [p]) -- get a pin and configure it for IO mode m, pull mode p\n"
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" Pin methods: init(..), value([v]), high(), low()\n"
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" pyb.ExtInt(pin, m, p, callback) -- create an external interrupt object\n"
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" pyb.ADC(pin) -- make an analog object from a pin\n"
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" ADC methods: read(), read_timed(buf, freq)\n"
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" pyb.DAC(port) -- make a DAC object\n"
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" DAC methods: triangle(freq), write(n), write_timed(buf, freq)\n"
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" pyb.RTC() -- make an RTC object; methods: datetime([val])\n"
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" pyb.rng() -- get a 30-bit hardware random number\n"
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" pyb.Servo(n) -- create Servo object for servo n (n=1,2,3,4)\n"
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" Servo methods: calibration(..), angle([x, [t]]), speed([x, [t]])\n"
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" pyb.Accel() -- create an Accelerometer object\n"
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" Accelerometer methods: x(), y(), z(), tilt(), filtered_xyz()\n"
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"\n"
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"Pins are numbered X1-X12, X17-X22, Y1-Y12, or by their MCU name\n"
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"Pin IO modes are: pyb.Pin.IN, pyb.Pin.OUT_PP, pyb.Pin.OUT_OD\n"
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"Pin pull modes are: pyb.Pin.PULL_NONE, pyb.Pin.PULL_UP, pyb.Pin.PULL_DOWN\n"
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"Additional serial bus objects: pyb.I2C(n), pyb.SPI(n), pyb.UART(n)\n"
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"\n"
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"Control commands:\n"
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" CTRL-A -- on a blank line, enter raw REPL mode\n"
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" CTRL-B -- on a blank line, enter normal REPL mode\n"
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" CTRL-C -- interrupt a running program\n"
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" CTRL-D -- on a blank line, do a soft reset of the board\n"
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"\n"
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"For further help on a specific object, type help(obj)\n"
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;
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STATIC void pyb_help_print_info_about_object(mp_obj_t name_o, mp_obj_t value) {
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printf(" ");
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mp_obj_print(name_o, PRINT_STR);
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printf(" -- ");
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mp_obj_print(value, PRINT_STR);
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printf("\n");
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}
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STATIC mp_obj_t pyb_help(uint n_args, const mp_obj_t *args) {
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if (n_args == 0) {
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// print a general help message
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printf("%s", help_text);
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} else {
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// try to print something sensible about the given object
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printf("object ");
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mp_obj_print(args[0], PRINT_STR);
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printf(" is of type %s\n", mp_obj_get_type_str(args[0]));
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mp_map_t *map = NULL;
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if (MP_OBJ_IS_TYPE(args[0], &mp_type_module)) {
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map = mp_obj_dict_get_map(mp_obj_module_get_globals(args[0]));
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} else {
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mp_obj_type_t *type;
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if (MP_OBJ_IS_TYPE(args[0], &mp_type_type)) {
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type = args[0];
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} else {
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type = mp_obj_get_type(args[0]);
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}
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if (type->locals_dict != MP_OBJ_NULL && MP_OBJ_IS_TYPE(type->locals_dict, &mp_type_dict)) {
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map = mp_obj_dict_get_map(type->locals_dict);
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}
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}
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if (map != NULL) {
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for (uint i = 0; i < map->alloc; i++) {
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if (map->table[i].key != MP_OBJ_NULL) {
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pyb_help_print_info_about_object(map->table[i].key, map->table[i].value);
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}
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}
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}
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}
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_help_obj, 0, 1, pyb_help);
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