wrh2

#include <stdint.h>

#define BUF_SIZE 10 // usually how ever many ADC channels you want to filter

#define DATA_TYPE uint16_t

typedef struct{
    
    unsigned int alpha; // filter constant

wrh2

from IPython.display import HTML
HTML('''<script>
code_show=true; 
function code_toggle() {
 if (code_show){
 $('div.input').hide();
 } else {
 $('div.input').show();
 }
 code_show = !code_show

wrh2

import matplotlib.pylab as plt

# Graphing helper function
def setup_graph(title='',x_label='', y_label='', fig_size=None):
    fig = plt.figure()
    if fig_size != None:
        fig.set_size_inches(fig_size[0],
                            fig_size[1])
    ax = fig.add_subplot(111)
    ax.set_title(title)

wrh2

/******************************************************************************

Proof of concept code for using function pointers to handle
byte encoded commands for an embedded system.
This is useful for using something such as CAN to communicate with an embedded system

Programmed by William Harrington
https://github.com/wrh2

*******************************************************************************/

wrh2

import time

# good for about 1ms timing
def has_ms_elapsed(start_timestamp, num_of_ms):
  return (time.clock() - start_timestamp)*1e3 > num_of_ms

# example use
def main():
  
  # we'll wait 75ms in this example

wrh2

/*
 * Working with 2D arrays and bit manipulation in C
 *
 * Helpful for working with image processing in C
 * 
 * For instance, let's say you have a 2D array in memory that
 * represents a monochrome bitmap and you need to manipulate
 * specific bits within that 2D array
 *
 * Programmed by William Harrington

wrh2

def binary(num, length=32):
    return format(num, '#0{}b'.format(length+2))

def hexadecimal(num, length=8):
    return format(num, '#0{}x'.format(length+2))

wrh2

#include <stdio.h>

/* states */
typedef enum{
    IDLE,
    BEGIN,
    WAIT,
    FINISH,
    END,
}state_name_t;

wrh2

/*
 *Finite State Machine (FSM) Example in C
 *  that makes use of function pointers
 *
 *  Programmed by wrh2 (github.com/wrh2)
 */
#include <stdio.h>

/* declare struct for FSM */
struct fsm;