CPython

 Cross-compile Python for use on armv7l

Cross compiling python for aarch64

#!/bin/bashset -x -eexport HOST_ARCH=aarch64-linux-gnuexport TOOL_PREFIX=/home/username/aarch64-linux-toolchain/bin/$HOST_ARCH
export CXX=$TOOL_PREFIX-g++export CPP="$TOOL_PREFIX-g++ -E"export AR=$TOOL_PREFIX-arexport RANLIB=$TOOL_PREFIX-ranlibexport CC=$TOOL_PREFIX-gccexport LD=$TOOL_PREFIX-ldexport READELF=$TOOL_PREFIX-readelfexport LDLAST="-lgcov"./configure --host=$HOST_ARCH --target=$HOST_ARCH --build=x86_64-pc-linux-gnu --prefix=$HOME/temp --disable-ipv6 ac_cv_file__dev_ptmx=no ac_cv_file__dev_ptc=no ac_cv_have_long_long_format=yes --enable-shared  --with-zlib-dir=/usr/lib64 --with-ensurepip=yes --enable-optimizationmake BLDSHARED="$TOOL_PREFIX-gcc -shared" CROSS-COMPILE=$TOOL_PREFIX- CROSS_COMPILE_TARGET=yessudo make install BLDSHARED="$TOOL_PREFIX-gcc -shared" CROSS-COMPILE=$TOOL_PREFIX- CROSS_COMPILE_TARGET=yes prefix=$HOME/Python-$HOST_ARCH/_install

GStreamer

 

GStreamer 架構

https://blog.toolman.xyz/article/259

bitmap font

 

1.https://github.com/dhepper/font8x8

2. https://opengameart.org/art-search?keys=bitmap

3. https://opengameart.org/content/8x8-ascii-bitmap-font-with-c-source

/************************************************************************

* font.c

* Copyright (C) Lisa Milne 2014 <lisa@ltmnet.com>

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful, but

* WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

* See the GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program.  If not, see <http://www.gnu.org/licenses/>

************************************************************************/

/* the values in this array are a 8x8 bitmap font for ascii characters */

static uint64_t font[128] = {

0x7E7E7E7E7E7E0000, /* NUL */

0x7E7E7E7E7E7E0000, /* SOH */

0x7E7E7E7E7E7E0000, /* STX */

0x7E7E7E7E7E7E0000, /* ETX */

0x7E7E7E7E7E7E0000, /* EOT */

0x7E7E7E7E7E7E0000, /* ENQ */

0x7E7E7E7E7E7E0000, /* ACK */

0x7E7E7E7E7E7E0000, /* BEL */

0x7E7E7E7E7E7E0000, /* BS */

0x0, /* TAB */

0x7E7E7E7E7E7E0000, /* LF */

0x7E7E7E7E7E7E0000, /* VT */

0x7E7E7E7E7E7E0000, /* FF */

0x7E7E7E7E7E7E0000, /* CR */

0x7E7E7E7E7E7E0000, /* SO */

0x7E7E7E7E7E7E0000, /* SI */

0x7E7E7E7E7E7E0000, /* DLE */

0x7E7E7E7E7E7E0000, /* DC1 */

0x7E7E7E7E7E7E0000, /* DC2 */

0x7E7E7E7E7E7E0000, /* DC3 */

0x7E7E7E7E7E7E0000, /* DC4 */

0x7E7E7E7E7E7E0000, /* NAK */

0x7E7E7E7E7E7E0000, /* SYN */

0x7E7E7E7E7E7E0000, /* ETB */

0x7E7E7E7E7E7E0000, /* CAN */

0x7E7E7E7E7E7E0000, /* EM */

0x7E7E7E7E7E7E0000, /* SUB */

0x7E7E7E7E7E7E0000, /* ESC */

0x7E7E7E7E7E7E0000, /* FS */

0x7E7E7E7E7E7E0000, /* GS */

0x7E7E7E7E7E7E0000, /* RS */

0x7E7E7E7E7E7E0000, /* US */

0x0, /* (space) */

0x808080800080000, /* ! */

0x2828000000000000, /* " */

0x287C287C280000, /* # */

0x81E281C0A3C0800, /* $ */

0x6094681629060000, /* % */

0x1C20201926190000, /* & */

0x808000000000000, /* ' */

0x810202010080000, /* ( */

0x1008040408100000, /* ) */

0x2A1C3E1C2A000000, /* * */

0x8083E08080000, /* + */

0x81000, /* , */

0x3C00000000, /* - */

0x80000, /* . */

0x204081020400000, /* / */

0x1824424224180000, /* 0 */

0x8180808081C0000, /* 1 */

0x3C420418207E0000, /* 2 */

0x3C420418423C0000, /* 3 */

0x81828487C080000, /* 4 */

0x7E407C02423C0000, /* 5 */

0x3C407C42423C0000, /* 6 */

0x7E04081020400000, /* 7 */

0x3C423C42423C0000, /* 8 */

0x3C42423E023C0000, /* 9 */

0x80000080000, /* : */

0x80000081000, /* ; */

0x6186018060000, /* < */

0x7E007E000000, /* = */

0x60180618600000, /* > */

0x3844041800100000, /* ? */

0x3C449C945C201C, /* @ */

0x1818243C42420000, /* A */

0x7844784444780000, /* B */

0x3844808044380000, /* C */

0x7844444444780000, /* D */

0x7C407840407C0000, /* E */

0x7C40784040400000, /* F */

0x3844809C44380000, /* G */

0x42427E4242420000, /* H */

0x3E080808083E0000, /* I */

0x1C04040444380000, /* J */

0x4448507048440000, /* K */

0x40404040407E0000, /* L */

0x4163554941410000, /* M */

0x4262524A46420000, /* N */

0x1C222222221C0000, /* O */

0x7844784040400000, /* P */

0x1C222222221C0200, /* Q */

0x7844785048440000, /* R */

0x1C22100C221C0000, /* S */

0x7F08080808080000, /* T */

0x42424242423C0000, /* U */

0x8142422424180000, /* V */

0x4141495563410000, /* W */

0x4224181824420000, /* X */

0x4122140808080000, /* Y */

0x7E040810207E0000, /* Z */

0x3820202020380000, /* [ */

0x4020100804020000, /* \ */

0x3808080808380000, /* ] */

0x1028000000000000, /* ^ */

0x7E0000, /* _ */

0x1008000000000000, /* ` */

0x3C023E463A0000, /* a */

0x40407C42625C0000, /* b */

0x1C20201C0000, /* c */

0x2023E42463A0000, /* d */

0x3C427E403C0000, /* e */

0x18103810100000, /* f */

0x344C44340438, /* g */

0x2020382424240000, /* h */

0x800080808080000, /* i */

0x800180808080870, /* j */

0x20202428302C0000, /* k */

0x1010101010180000, /* l */

0x665A42420000, /* m */

0x2E3222220000, /* n */

0x3C42423C0000, /* o */

0x5C62427C4040, /* p */

0x3A46423E0202, /* q */

0x2C3220200000, /* r */

0x1C201804380000, /* s */

0x103C1010180000, /* t */

0x2222261A0000, /* u */

0x424224180000, /* v */

0x81815A660000, /* w */

0x422418660000, /* x */

0x422214081060, /* y */

0x3C08103C0000, /* z */

0x1C103030101C0000, /* { */

0x808080808080800, /* | */

0x38080C0C08380000, /* } */

0x324C000000, /* ~ */

0x7E7E7E7E7E7E0000 /* DEL */

};