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codal_port/modantigravity: Add antigravity module from micro:bit v1.
Taken from ahttps://github.com/bbcmicrobit/micropython commit a92ca9b1f907c07a01116b0eb464ca4743a28bf1 Signed-off-by: Damien George <[email protected]>
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‎src/codal_port/Makefile

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@@ -74,6 +74,7 @@ SRC_C += \
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microbit_speaker.c \
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microbit_spi.c \
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microbit_uart.c \
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modantigravity.c \
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modaudio.c \
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modmachine.c \
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modmicrobit.c \

‎src/codal_port/modantigravity.c

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/*
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* This file is part of the MicroPython 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) 2015 Damien P. George
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* Copyright (c) 2016 Joe Glancy
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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 "py/runtime.h"
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#include "py/mphal.h"
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#define GET_PIXEL(x, y) microbit_hal_display_get_pixel(x, y)
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#define SET_PIXEL(x, y, v) microbit_hal_display_set_pixel(x, y, v)
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STATIC void antigravity_output_char(char c) {
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MP_PLAT_PRINT_STRN((char *)&c, 1);
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}
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// NOTE: string has to be plain ASCII
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STATIC void antigravity_print_rle(const char *s) {
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/* RLE encoding format (2 characters, [0] (first) and [1] (second)):
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* [0] the amount of times to output the specified character (max 127),
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* bitwise or'ed with 0x80 (to set the last bit, ie: bit 7)
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* [1] the character to output
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*/
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char reps; // how many times to output the specified character
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while (*s != '\0') {
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if ((*s & 0x80) == 0x80) {
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// seventh bit set
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reps = *s ^ 0x80;
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s++;
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if (*s == '\0') {
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return;
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}
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while (reps--) {
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antigravity_output_char(*s);
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}
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}
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else {
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antigravity_output_char(*s);
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}
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s++;
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}
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}
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/* uncomment the following line if you want to build the antigravity module with
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* the full comic instead of the micro one
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*/
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//#define ANTIGRAVITY_COMIC_LARGE
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STATIC void antigravity(uint8_t interval_ms) {
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/* move all of the LEDs upwards (we can move them in other directions in the
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* future).
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* first, output the traditional XKCD comic (either in full or micro:size :)
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*/
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#ifndef ANTIGRAVITY_COMIC_LARGE
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/* micro comic (157 bytes):
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+-xkcd.com/353---------------------------------------------------+
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| |
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| \0/ |
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| / \ |
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| You're flying! MicroPython! /| |
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| How? \ \ |
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| / |
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| 0 |
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| /|\ |
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| | |
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|-----____/_\______________________________----------------------|
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| |
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+----------------------------------------------------------------+
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*/
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static const char *antigravity_comic_str =
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"+-xkcd.com/353\xb3-+\n"
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"|\xc0 |\n"
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"|\xb4 \\0/\x89 |\n"
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"|\xb2 /\x83 \\\x89 |\n"
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"|\x88 You're flying!\x92 MicroPython! /|\x88 |\n"
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"|\x8c How?\xa6 \\ \\\x87 |\n"
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"|\x8c /\xb3 |\n"
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"|\x8a 0\xb5 |\n"
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"|\x89 /|\\\xb4 |\n"
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"|\x8a |\xb5 |\n"
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"|\x85-\x84_/_\\\x9e_\x96-|\n"
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"|\xc0 |\n"
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"+\xc0-+\n";
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#else
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/* full comic (922 bytes):
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+-xkcd.com/353-----------------------------------------------------------------+
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| |
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| \0/ |
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| / \ |
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| You're flying! MicroPython! /| |
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| How? \ \ |
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| / |
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| 0 |
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| /|\ |
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| | |
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|--------------____/_\_______________________________--------------------------|
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| |
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| |
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+------------------------------------------------------------------------------+
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+-----------------------+ +-------------------------+ +------------------------+
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| | | I dunno... | | | I just typed |
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| 0 | | Dynamic typing? / | | import antigravity |
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| _/\\_ | | Whitespace? / | | | |
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| / \// | | / / | | That's it? / |
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| I learned it last | | | Come join us! | | / / |
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| night! Everything | | | Programming | | / ...I also |
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| is so simple! | | | is fun again! | | / sampled |
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| / | | | It's a whole | | | everything in the |
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| / | | | new world | | | medicine cabinet |
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| Hello world is | | | up here! | | | for comparison. |
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| just | | 0 | | 0 | |
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| | | /|\/ | | /|\ But I think |
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| print("Hello, world!")| | | \_ But how are | | | this is the |
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| | | / \ you flying? | | / \ Python. |
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+-----------------------+ +-------------------------+ +------------------------+
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*/
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static const char *antigravity_comic_str =
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"+-xkcd.com/353\xc1-+\n"
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"|\xce |\n"
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"|\xbe \\0/\x8d |\n"
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"|\xbc /\x83 \\\x8d |\n"
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"|\x91 You're flying!\x93 MicroPython! /|\x8c |\n"
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"|\x95 How?\xa7 \\ \\\x8b |\n"
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"|\x95 /\xb8 |\n"
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"|\x93 0\xba |\n"
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"|\x92 /|\\\xb9 |\n"
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"|\x93 |\xba |\n"
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"|\x8e-\x84_/_\\\x9f_\x9a-|\n"
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"|\xce |\n"
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"|\xce |\n"
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"+\xce-+\n"
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"+\x97-+ +\x99-+ +\x98-+\n"
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"|\x97 | |\x84 I dunno\x83.\x87 |\x83 | |\x86 I just typed\x86 |\n"
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"|\x89 0\x8d | | Dynamic typing?\x83 /\x84 | |\x83 import antigravity\x83 |\n"
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"|\x88 _/\\\\_\x8a | |\x84 Whitespace?\x84 /\x85 | |\x92 |\x85 |\n"
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"|\x85 /\x85 \\//\x89 | |\x84 /\x8d /\x86 | |\x85 That's it? /\x86 |\n"
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"|\x83 I learned it last\x83 | |\x83 |\x86 Come join us! | |\x85 /\x8a /\x87 |\n"
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"|\x83 night! Everything\x83 | |\x83 |\x87 Programming\x83 | |\x84 /\x84 \x83.I also\x86 |\n"
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"|\x85 is so simple!\x85 | |\x83 |\x86 is fun again! | |\x83 /\x86 sampled\x87 |\n"
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"|\x8c /\x8a | |\x83 |\x86 It's a whole | | | everything in the |\n"
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"|\x8b /\x8b | |\x83 |\x87 new world\x84 | | | medicine cabinet\x83 |\n"
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"|\x85 Hello world is\x84 | |\x83 |\x88 up here!\x85 | | |\x83 for comparison.\x83 |\n"
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"|\x89 just\x8a | |\x83 0\x95 | |\x83 0\x89 |\x8a |\n"
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"|\x97 | | /|\\/\x93 | | /|\\\x84 But I think\x84 |\n"
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"| print(\"Hello, world!\")| |\x83 |\x83 \\_ But how are\x84 | |\x83 |\x85 this is the\x84 |\n"
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"|\x97 | | / \\\x85 you flying?\x84 | | / \\\x86 Python.\x86 |\n"
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"+\x97-+ +\x99-+ +\x98-+\n";
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#endif /* ANTIGRAVITY_COMIC_LARGE */
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antigravity_print_rle(antigravity_comic_str);
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for (uint8_t iteration = 0; iteration < 5; iteration++) {
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mp_hal_delay_ms(interval_ms);
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bool wait = false;
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for (uint8_t row = 1; row < 5 - iteration; row++) {
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for (uint8_t col = 0; col < 5; col++) {
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// move this bit down if possible
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uint8_t val = GET_PIXEL(col, row);
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if (val) {
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// this is why the row for loop starts at one
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if (!GET_PIXEL(col, row - 1)) {
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SET_PIXEL(col, row, 0);
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SET_PIXEL(col, row - 1, val);
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wait = true;
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}
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} // we don't care if the LED is off
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}
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}
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if (!wait) {
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continue;
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}
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}
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}
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STATIC mp_obj_t antigravity__init__(void) {
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antigravity(200);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(antigravity___init___obj, antigravity__init__);
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STATIC const mp_rom_map_elem_t antigravity_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_antigravity) },
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{ MP_ROM_QSTR(MP_QSTR___init__), MP_ROM_PTR(&antigravity___init___obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(antigravity_module_globals, antigravity_module_globals_table);
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const mp_obj_module_t antigravity_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t *)&antigravity_module_globals,
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};

‎src/codal_port/mpconfigport.h

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#define MP_STATE_PORT MP_STATE_VM
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extern const struct _mp_obj_module_t antigravity_module;
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extern const struct _mp_obj_module_t audio_module;
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extern const struct _mp_obj_module_t machine_module;
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extern const struct _mp_obj_module_t microbit_module;
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extern const struct _mp_obj_module_t utime_module;
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#define MICROPY_PORT_BUILTIN_MODULES \
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{ MP_ROM_QSTR(MP_QSTR_antigravity), MP_ROM_PTR(&antigravity_module) }, \
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{ MP_ROM_QSTR(MP_QSTR_audio), MP_ROM_PTR(&audio_module) }, \
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{ MP_ROM_QSTR(MP_QSTR_machine), MP_ROM_PTR(&machine_module) }, \
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{ MP_ROM_QSTR(MP_QSTR_microbit), MP_ROM_PTR(&microbit_module) }, \

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