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## desktop.md

      
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                electronut
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              December 3, 2019 10:53
            
              
                Electronut Labs economical Desktop PC configuration
              
          
    Motherboard

GIGABYTE GA-B250M-DS3H LGA1151 Intel Micro ATX DDR4 Motherboard
https://www.amazon.in/gp/product/B01N2WG23X/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
CPU

Intel G4560 7th Genenration Pentium Dual Core Processor

  
## lorenz1.py
# parameters
P = 10
A = 28
B = 8.0/3.0
dt = 0.01
# initial conditions
x = 1.0
y = 1.0
z = 1.0
self.scale = 5

## stm32-conway-update.cpp
void Conway64::update()
{
	// From my book Python Playground
	// https://www.nostarch.com/pythonplayground

	// copy grid since we require 8 neighbors for calculation
    // and we go line by line
	BitBuf88 _newGrid = _grid;
	uint8_t N = 8;
	// compute 8-neighbour sum

## stm32-conway-signal.cpp
void Conway64::signal()
{
	osSignalSet (_conwayTaskHandle, 0x0001);
}

## stm32-conway-task.cpp
// The Conway Task function
void conwayTaskFunc(void const * arg)
{
	// The Joy of C++
	Conway64* conway = const_cast<Conway64*>(static_cast<const Conway64*>(arg));

	// enable for testing only
	//conway->testInit();

	// add a glider object

## stm32-conway-init.cpp
// initialize
void Conway64::init()
{
	// set up display
	_max7219->power(true);
	_max7219->setIntensity(5);
	_max7219->setScanLimit(7);
	_max7219->clear();

	// create Conway task

## stm32-conway.h
class Conway64 {
public:
	Conway64(SPI_HandleTypeDef* hSPI);
	virtual ~Conway64();

	// initialize
	void init();

	// add glider with top left cell at (i, j)
	void addGlider(int i, int j);

## stm32-returns-5.c
// send 16 bit data packet
void MAX7219::sendPacket(MAX7129_REG reg, uint8_t data)
{
	// CS
	HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_RESET);

	//uint16_t packet = (reg << 8) | data;
	uint8_t packet[2];
	packet[0] = reg;
	packet[1] = data;

## stm32-returns-4.c
struct BitBuf88
{
	// constr
	BitBuf88() {
		clearAll();
	}
	// destr
	virtual ~BitBuf88() {}

	// set (i, j)

## stm32-returns-3.c
/* StartDefaultTask function */
void StartDefaultTask(void const * argument)
{
	/* USER CODE BEGIN 5 */
	/* Infinite loop */
	for(;;)
	{
		HAL_GPIO_TogglePin(LD2_GPIO_Port, LD2_Pin);
		osDelay(250);
		HAL_GPIO_TogglePin(LD2_GPIO_Port, LD2_Pin);
	# parameters
	P = 10
	A = 28
	B = 8.0/3.0
	dt = 0.01
	# initial conditions
	x = 1.0
	y = 1.0
	z = 1.0
	self.scale = 5
	void Conway64::update()
	{
	// From my book Python Playground
	// https://www.nostarch.com/pythonplayground

	// copy grid since we require 8 neighbors for calculation
	// and we go line by line
	BitBuf88 _newGrid = _grid;
	uint8_t N = 8;
	// compute 8-neighbour sum
	void Conway64::signal()
	{
	osSignalSet (_conwayTaskHandle, 0x0001);
	}
	// The Conway Task function
	void conwayTaskFunc(void const * arg)
	{
	// The Joy of C++
	Conway64* conway = const_cast<Conway64>(static_cast<const Conway64>(arg));

	// enable for testing only
	//conway->testInit();

	// add a glider object
	// initialize
	void Conway64::init()
	{
	// set up display
	_max7219->power(true);
	_max7219->setIntensity(5);
	_max7219->setScanLimit(7);
	_max7219->clear();

	// create Conway task
	class Conway64 {
	public:
	Conway64(SPI_HandleTypeDef* hSPI);
	virtual ~Conway64();

	// initialize
	void init();

	// add glider with top left cell at (i, j)
	void addGlider(int i, int j);
	// send 16 bit data packet
	void MAX7219::sendPacket(MAX7129_REG reg, uint8_t data)
	{
	// CS
	HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_RESET);

	//uint16_t packet = (reg << 8) \| data;
	uint8_t packet[2];
	packet[0] = reg;
	packet[1] = data;
	struct BitBuf88
	{
	// constr
	BitBuf88() {
	clearAll();
	}
	// destr
	virtual ~BitBuf88() {}

	// set (i, j)
	/* StartDefaultTask function */
	void StartDefaultTask(void const * argument)
	{
	/* USER CODE BEGIN 5 */
	/* Infinite loop */
	for(;;)
	{
	HAL_GPIO_TogglePin(LD2_GPIO_Port, LD2_Pin);
	osDelay(250);
	HAL_GPIO_TogglePin(LD2_GPIO_Port, LD2_Pin);