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TRNGTests.ino
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TRNGTests.ino
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// Main sketch to run all tests.
//
// Note: this needs to be in the root of the project folder due to the way the Arduino compiler
// grabs only files in the subfolders and copies them into the output folder.
//
// Copyright (C) 2019 Nicola Cimmino
//
// 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/.
//
#include "src/TRNG.h"
#include "tests/SecondaryNoiseSourceTest.h"
#include "tests/PrimaryNoiseSourceTest.h"
#include "tests/RandomnessExtractorTest.h"
void setup()
{
Serial.begin(115200);
}
void loop()
{
proboInit(&Serial);
runTestPrimaryNoiseSource();
runTestSecondaryNoiseSource();
runTestRandomnessExtractor();
spitupNumbers();
}
void spitupNumbers()
{
TRNG trng;
trng.begin(PIN_CHG_PUMP0, PIN_CHG_PUMP1, PIN_CHG_PUMP2, PIN_CHG_PUMP3, PIN_CHG_PUMP_SENSE, PIN_CHG_PUMP_NOISEIN);
Serial.println("Waiting for TRNG to collect enough entropy...");
while (true)
{
trng.loop();
while (trng.isRandomDataReady())
{
outputDataHex(trng.getRandomByte());
}
}
}
/*
* Output data as two digits HEX, dot separated with 32 bytes per line.
*/
void outputDataHex(uint8_t randomNumber)
{
uint8_t static outputBytes = 0;
Serial.print("0123456789ABCDEF"[(randomNumber >> 4) & 0xF]);
Serial.print("0123456789ABCDEF"[randomNumber & 0xF]);
Serial.print((outputBytes % 32 == 31) ? "\n" : ".");
outputBytes++;
}