nerdralph

#!/bin/sh
sudo yum -y update
sudo yum -y groupinstall "Development tools"
sudo yum -y install zlib-devel openssl-devel
wget https://www.python.org/ftp/python/3.5.1/Python-3.5.1.tar.xz
tar xJf Python-3.5.1.tar.xz
cd Python-3.5.1
./configure --prefix=/usr/local
sudo make install
python3 --version

nerdralph

1150,1500 R7 370
820,1500 380
1150,1250 67B1

nerdralph

#!/usr/bin/python2
# arg1 = current block number
# arg2 = current network rate in thousands of solutions per second
# arg3 = your solution rate

BLOCKS_PER_DAY = 576*10                 # 2.5 minute block time
RAMP_BLOCKS = 20000                     # mining slow start

import sys

nerdralph

wget -q -O - http://llvm.org/apt/llvm-snapshot.gpg.key | sudo apt-key add -
sudo add-apt-repository -y "deb http://llvm.org/apt/trusty/ llvm-toolchain-trusty-3.9 main"
sudo apt-get update
sudo apt-get install clang-3.9
 
sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-3.9 10
sudo update-alternatives --install /usr/bin/llvm-config llvm-config /usr/bin/llvm-config-3.9 10

#install POCL deps http://portablecl.org/docs/html/install.html
# sudo apt-get install libhwloc-dev

nerdralph

#!/bin/sh

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10.5/linux-headers-4.10.5-041005_4.10.5-041005.201703220931_all.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10.5/linux-headers-4.10.5-041005-generic_4.10.5-041005.201703220931_amd64.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10.5/linux-image-4.10.5-041005-generic_4.10.5-041005.201703220931_amd64.deb

sudo dpkg -i *.deb

nerdralph

/* 2018 Ralph Doncaster public domain software */
/* spew a char to stdout, null if none provided */

#include <unistd.h>
#include <string.h>

int main(int argc, char** argv){
    char buf[1024];
    char c = 0;
    if( argc > 1 ) c = *argv[1];

nerdralph

// blink LED using sleep and millis() on MicroCore
// 2019 Ralph Doncaster freeware

#define LEDPIN 0

#include <avr/sleep.h>

static void sleep_ms(unsigned ms) {
  ms -= 9; // 1/2 millis minimum increment in MicroCore
  unsigned snapshot = (unsigned)millis();

nerdralph

// t13 OSCCAL tuner
// Ralph Doncaster 2019 public domain software
// repeatedly press 'x' until OSCCAL value stabilizes
// output value is timing delta in cycles followed by OSCCAL

#define BAUD_RATE 115200
#include <BBUart.h>
#include <avr/sleep.h>

#define UART_RX 1

nerdralph

/* ssd1306 test for picoI2C
 * Ralph Doncaster (c) 2019
 * free software - MIT license
 */

#include <stdint.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <util/delay.h>
#include "picoI2C.h"

nerdralph

/*
  ATtiny13 internal oscillator tuner

  By Ralph Doncaster (2019)
  Tweaked and tuned by MCUdude
  ------------------------------------------------------------------------------

  [ See diagram: https://github.com/MCUdude/MicroCore#minimal-setup ]

  Tunes the internal oscillator using a software serial implementation