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Basic support for esp8266 platform

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This includes empty stubs for most core Arduino functions.
Need to actually implement all those digital reads writes whatever.
Need to prebuild toolchains (xtensa-elf-lx106) for 3 platforms and put them on some download server.
Need to do the same with esptool.
Need to fix 0x40000 binary generation and add correct upload commands.
Maybe even implement uploads over WiFi.
This commit is contained in:
Ivan Grokhotkov
2014-11-15 10:45:08 +03:00
commit 04fe8e8b58
62 changed files with 10017 additions and 0 deletions
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60
cores/esp8266/WMath.cpp Normal file
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/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Wiring project - http://wiring.org.co
Copyright (c) 2004-06 Hernando Barragan
Modified 13 August 2006, David A. Mellis for Arduino - http://www.arduino.cc/
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
$Id$
*/
extern "C" {
#include <stdlib.h>
}
void randomSeed(unsigned int seed)
{
if (seed != 0) {
srand(seed);
}
}
long random(long howbig)
{
if (howbig == 0) {
return 0;
}
return rand() % howbig;
}
long random(long howsmall, long howbig)
{
if (howsmall >= howbig) {
return howsmall;
}
long diff = howbig - howsmall;
return random(diff) + howsmall;
}
long map(long x, long in_min, long in_max, long out_min, long out_max)
{
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
unsigned int makeWord(unsigned int w) { return w; }
unsigned int makeWord(unsigned char h, unsigned char l) { return (h << 8) | l; }