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* Add Config * Add Cache and remove pre-commit action * [pre-commit.ci lite] apply automatic fixes * Remove freeze * Fix * Update action * Use latest stable Python 3 version * Improve caching * Improve cache tag * Improve bot message * fix(typos): Fix typos * fix(typos): Fix more typos * refactor(udp_server): Convert script from Python 2 to 3 * Fix whitespace * Clang-format fixes * Prettier fixes * Black formatting * Manual fixes * Line endings * Fix flake and make Vale manual * Fix flake and reformat --------- Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com> Co-authored-by: Rodrigo Garcia <rodrigo.garcia@espressif.com>
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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Part of the Wiring project - http://wiring.org.co
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Copyright (c) 2004-06 Hernando Barragan
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Modified 13 August 2006, David A. Mellis for Arduino - http://www.arduino.cc/
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General
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Public License along with this library; if not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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Boston, MA 02111-1307 USA
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$Id$
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*/
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extern "C" {
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#include <stdlib.h>
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#include "esp_system.h"
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}
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#include "esp32-hal-log.h"
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#include "esp_random.h"
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// Allows the user to choose between Real Hardware
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// or Software Pseudo random generators for the
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// Arduino random() functions
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static bool s_useRandomHW = true;
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void useRealRandomGenerator(bool useRandomHW) {
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s_useRandomHW = useRandomHW;
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}
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// Calling randomSeed() will force the
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// Pseudo Random generator like in
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// Arduino mainstream API
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void randomSeed(unsigned long seed) {
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if (seed != 0) {
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srand(seed);
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s_useRandomHW = false;
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}
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}
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long random(long howsmall, long howbig);
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long random(long howbig) {
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if (howbig == 0) {
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return 0;
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}
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if (howbig < 0) {
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return (random(0, -howbig));
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}
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// if randomSeed was called, fall back to software PRNG
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uint32_t val = (s_useRandomHW) ? esp_random() : rand();
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return val % howbig;
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}
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long random(long howsmall, long howbig) {
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if (howsmall >= howbig) {
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return howsmall;
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}
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long diff = howbig - howsmall;
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return random(diff) + howsmall;
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}
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long map(long x, long in_min, long in_max, long out_min, long out_max) {
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const long run = in_max - in_min;
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if (run == 0) {
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log_e("map(): Invalid input range, min == max");
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return -1; // AVR returns -1, SAM returns 0
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}
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const long rise = out_max - out_min;
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const long delta = x - in_min;
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return (delta * rise) / run + out_min;
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}
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uint16_t makeWord(uint16_t w) {
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return w;
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}
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uint16_t makeWord(uint8_t h, uint8_t l) {
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return (h << 8) | l;
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}
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